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[android-x86/packages-apps-Camera2.git] / src / com / android / camera / CameraActivity.java
1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17
18 package com.android.camera;
19
20 import android.animation.Animator;
21 import android.app.ActionBar;
22 import android.app.Activity;
23 import android.app.Dialog;
24 import android.content.ActivityNotFoundException;
25 import android.content.BroadcastReceiver;
26 import android.content.ContentResolver;
27 import android.content.Context;
28 import android.content.Intent;
29 import android.content.IntentFilter;
30 import android.content.pm.ActivityInfo;
31 import android.content.res.Configuration;
32 import android.graphics.Bitmap;
33 import android.graphics.Matrix;
34 import android.graphics.RectF;
35 import android.graphics.SurfaceTexture;
36 import android.graphics.drawable.ColorDrawable;
37 import android.graphics.drawable.Drawable;
38 import android.net.Uri;
39 import android.nfc.NfcAdapter;
40 import android.nfc.NfcAdapter.CreateBeamUrisCallback;
41 import android.nfc.NfcEvent;
42 import android.os.AsyncTask;
43 import android.os.Build;
44 import android.os.Bundle;
45 import android.os.Handler;
46 import android.os.Looper;
47 import android.os.Message;
48 import android.provider.MediaStore;
49 import android.provider.Settings;
50 import android.text.TextUtils;
51 import android.util.CameraPerformanceTracker;
52 import android.view.ContextMenu;
53 import android.view.ContextMenu.ContextMenuInfo;
54 import android.view.KeyEvent;
55 import android.view.Menu;
56 import android.view.MenuInflater;
57 import android.view.MenuItem;
58 import android.view.MotionEvent;
59 import android.view.View;
60 import android.view.View.OnSystemUiVisibilityChangeListener;
61 import android.view.ViewGroup;
62 import android.view.Window;
63 import android.view.WindowManager;
64 import android.widget.Button;
65 import android.widget.FrameLayout;
66 import android.widget.ImageView;
67 import android.widget.ShareActionProvider;
68
69 import com.android.camera.app.AppController;
70 import com.android.camera.app.CameraAppUI;
71 import com.android.camera.app.CameraController;
72 import com.android.camera.app.CameraProvider;
73 import com.android.camera.app.CameraServices;
74 import com.android.camera.app.CameraServicesImpl;
75 import com.android.camera.app.FirstRunDialog;
76 import com.android.camera.app.LocationManager;
77 import com.android.camera.app.MemoryManager;
78 import com.android.camera.app.MemoryQuery;
79 import com.android.camera.app.ModuleManager;
80 import com.android.camera.app.ModuleManager.ModuleAgent;
81 import com.android.camera.app.ModuleManagerImpl;
82 import com.android.camera.app.MotionManager;
83 import com.android.camera.app.OrientationManager;
84 import com.android.camera.app.OrientationManagerImpl;
85 import com.android.camera.data.CameraFilmstripDataAdapter;
86 import com.android.camera.data.FilmstripContentObserver;
87 import com.android.camera.data.FilmstripItem;
88 import com.android.camera.data.FilmstripItemData;
89 import com.android.camera.data.FilmstripItemType;
90 import com.android.camera.data.FilmstripItemUtils;
91 import com.android.camera.data.FixedLastProxyAdapter;
92 import com.android.camera.data.GlideFilmstripManager;
93 import com.android.camera.data.LocalFilmstripDataAdapter;
94 import com.android.camera.data.LocalFilmstripDataAdapter.FilmstripItemListener;
95 import com.android.camera.data.MediaDetails;
96 import com.android.camera.data.MetadataLoader;
97 import com.android.camera.data.PhotoDataFactory;
98 import com.android.camera.data.PhotoItem;
99 import com.android.camera.data.PhotoItemFactory;
100 import com.android.camera.data.PlaceholderItem;
101 import com.android.camera.data.SessionItem;
102 import com.android.camera.data.VideoDataFactory;
103 import com.android.camera.data.VideoItemFactory;
104 import com.android.camera.debug.Log;
105 import com.android.camera.filmstrip.FilmstripContentPanel;
106 import com.android.camera.filmstrip.FilmstripController;
107 import com.android.camera.module.ModuleController;
108 import com.android.camera.module.ModulesInfo;
109 import com.android.camera.one.OneCameraException;
110 import com.android.camera.one.OneCameraManager;
111 import com.android.camera.one.config.OneCameraFeatureConfig;
112 import com.android.camera.one.config.OneCameraFeatureConfigCreator;
113 import com.android.camera.session.CaptureSession;
114 import com.android.camera.session.CaptureSessionManager;
115 import com.android.camera.session.CaptureSessionManager.SessionListener;
116 import com.android.camera.settings.AppUpgrader;
117 import com.android.camera.settings.CameraSettingsActivity;
118 import com.android.camera.settings.Keys;
119 import com.android.camera.settings.ResolutionSetting;
120 import com.android.camera.settings.ResolutionUtil;
121 import com.android.camera.settings.SettingsManager;
122 import com.android.camera.stats.UsageStatistics;
123 import com.android.camera.stats.profiler.Profile;
124 import com.android.camera.stats.profiler.Profiler;
125 import com.android.camera.stats.profiler.Profilers;
126 import com.android.camera.tinyplanet.TinyPlanetFragment;
127 import com.android.camera.ui.AbstractTutorialOverlay;
128 import com.android.camera.ui.DetailsDialog;
129 import com.android.camera.ui.MainActivityLayout;
130 import com.android.camera.ui.ModeListView;
131 import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
132 import com.android.camera.ui.PreviewStatusListener;
133 import com.android.camera.util.ApiHelper;
134 import com.android.camera.util.Callback;
135 import com.android.camera.util.CameraUtil;
136 import com.android.camera.util.GalleryHelper;
137 import com.android.camera.util.GcamHelper;
138 import com.android.camera.util.GoogleHelpHelper;
139 import com.android.camera.util.IntentHelper;
140 import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
141 import com.android.camera.util.QuickActivity;
142 import com.android.camera.util.ReleaseHelper;
143 import com.android.camera.widget.FilmstripView;
144 import com.android.camera.widget.Preloader;
145 import com.android.camera2.R;
146 import com.android.ex.camera2.portability.CameraAgent;
147 import com.android.ex.camera2.portability.CameraAgentFactory;
148 import com.android.ex.camera2.portability.CameraExceptionHandler;
149 import com.android.ex.camera2.portability.CameraSettings;
150 import com.bumptech.glide.Glide;
151 import com.bumptech.glide.GlideBuilder;
152 import com.bumptech.glide.MemoryCategory;
153 import com.bumptech.glide.load.DecodeFormat;
154 import com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor;
155 import com.bumptech.glide.load.engine.prefill.PreFillType;
156 import com.google.common.base.Optional;
157 import com.google.common.logging.eventprotos;
158 import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
159 import com.google.common.logging.eventprotos.MediaInteraction;
160 import com.google.common.logging.eventprotos.NavigationChange;
161
162 import java.io.File;
163 import java.lang.ref.WeakReference;
164 import java.util.ArrayList;
165 import java.util.HashMap;
166 import java.util.List;
167
168 public class CameraActivity extends QuickActivity
169         implements AppController, CameraAgent.CameraOpenCallback,
170         ShareActionProvider.OnShareTargetSelectedListener {
171
172     private static final Log.Tag TAG = new Log.Tag("CameraActivity");
173
174     private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
175             "android.media.action.STILL_IMAGE_CAMERA_SECURE";
176     public static final String ACTION_IMAGE_CAPTURE_SECURE =
177             "android.media.action.IMAGE_CAPTURE_SECURE";
178
179     // The intent extra for camera from secure lock screen. True if the gallery
180     // should only show newly captured pictures. sSecureAlbumId does not
181     // increment. This is used when switching between camera, camcorder, and
182     // panorama. If the extra is not set, it is in the normal camera mode.
183     public static final String SECURE_CAMERA_EXTRA = "secure_camera";
184
185     public static final String MODULE_SCOPE_PREFIX = "_preferences_module_";
186     public static final String CAMERA_SCOPE_PREFIX = "_preferences_camera_";
187
188     private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
189     private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
190     /** Load metadata for 10 items ahead of our current. */
191     private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
192
193     /** Should be used wherever a context is needed. */
194     private Context mAppContext;
195
196     /**
197      * Camera fatal error handling:
198      * 1) Present error dialog to guide users to exit the app.
199      * 2) If users hit home button, onPause should just call finish() to exit the app.
200      */
201     private boolean mCameraFatalError = false;
202
203     /**
204      * Whether onResume should reset the view to the preview.
205      */
206     private boolean mResetToPreviewOnResume = true;
207
208     /**
209      * This data adapter is used by FilmStripView.
210      */
211     private VideoItemFactory mVideoItemFactory;
212     private PhotoItemFactory mPhotoItemFactory;
213     private LocalFilmstripDataAdapter mDataAdapter;
214
215     private OneCameraManager mCameraManager;
216     private SettingsManager mSettingsManager;
217     private ResolutionSetting mResolutionSetting;
218     private ModeListView mModeListView;
219     private boolean mModeListVisible = false;
220     private int mCurrentModeIndex;
221     private CameraModule mCurrentModule;
222     private ModuleManagerImpl mModuleManager;
223     private FrameLayout mAboveFilmstripControlLayout;
224     private FilmstripController mFilmstripController;
225     private boolean mFilmstripVisible;
226     /** Whether the filmstrip fully covers the preview. */
227     private boolean mFilmstripCoversPreview = false;
228     private int mResultCodeForTesting;
229     private Intent mResultDataForTesting;
230     private OnScreenHint mStorageHint;
231     private final Object mStorageSpaceLock = new Object();
232     private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
233     private boolean mAutoRotateScreen;
234     private boolean mSecureCamera;
235     private OrientationManagerImpl mOrientationManager;
236     private LocationManager mLocationManager;
237     private ButtonManager mButtonManager;
238     private Handler mMainHandler;
239     private PanoramaViewHelper mPanoramaViewHelper;
240     private ActionBar mActionBar;
241     private ViewGroup mUndoDeletionBar;
242     private boolean mIsUndoingDeletion = false;
243     private boolean mIsActivityRunning = false;
244
245     private final Uri[] mNfcPushUris = new Uri[1];
246
247     private FilmstripContentObserver mLocalImagesObserver;
248     private FilmstripContentObserver mLocalVideosObserver;
249
250     private boolean mPendingDeletion = false;
251
252     private CameraController mCameraController;
253     private boolean mPaused;
254     private CameraAppUI mCameraAppUI;
255
256     private Intent mGalleryIntent;
257     private long mOnCreateTime;
258
259     private Menu mActionBarMenu;
260     private Preloader<Integer, AsyncTask> mPreloader;
261
262     /** Can be used to play custom sounds. */
263     private SoundPlayer mSoundPlayer;
264
265     /** Holds configuration for various OneCamera features. */
266     private OneCameraFeatureConfig mFeatureConfig;
267
268     private static final int LIGHTS_OUT_DELAY_MS = 4000;
269     private final int BASE_SYS_UI_VISIBILITY =
270             View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
271             | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
272     private final Runnable mLightsOutRunnable = new Runnable() {
273         @Override
274         public void run() {
275             getWindow().getDecorView().setSystemUiVisibility(
276                     BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
277         }
278     };
279     private MemoryManager mMemoryManager;
280     private MotionManager mMotionManager;
281     private final Profiler mProfiler = Profilers.instance().guard();
282
283     /** First run dialog */
284     private FirstRunDialog mFirstRunDialog;
285
286     @Override
287     public CameraAppUI getCameraAppUI() {
288         return mCameraAppUI;
289     }
290
291     @Override
292     public ModuleManager getModuleManager() {
293         return mModuleManager;
294     }
295
296     /**
297      * Close activity when secure app passes lock screen or screen turns
298      * off.
299      */
300     private final BroadcastReceiver mShutdownReceiver = new BroadcastReceiver() {
301         @Override
302         public void onReceive(Context context, Intent intent) {
303             finish();
304         }
305     };
306
307     /**
308      * Whether the screen is kept turned on.
309      */
310     private boolean mKeepScreenOn;
311     private int mLastLayoutOrientation;
312     private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
313             new CameraAppUI.BottomPanel.Listener() {
314
315                 /**
316                  * If the current photo is a photo sphere, this will launch the
317                  * Photo Sphere panorama viewer.
318                  */
319                 @Override
320                 public void onExternalViewer() {
321                     if (mPanoramaViewHelper == null) {
322                         return;
323                     }
324                     final FilmstripItem data = getCurrentLocalData();
325                     if (data == null) {
326                         Log.w(TAG, "Cannot open null data.");
327                         return;
328                     }
329                     final Uri contentUri = data.getData().getUri();
330                     if (contentUri == Uri.EMPTY) {
331                         Log.w(TAG, "Cannot open empty URL.");
332                         return;
333                     }
334
335                     if (data.getMetadata().isUsePanoramaViewer()) {
336                         mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
337                     } else if (data.getMetadata().isHasRgbzData()) {
338                         mPanoramaViewHelper.showRgbz(contentUri);
339                         if (mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
340                                 Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
341                             mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
342                                     Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING, false);
343                             mCameraAppUI.clearClingForViewer(
344                                     CameraAppUI.BottomPanel.VIEWER_REFOCUS);
345                         }
346                     }
347                 }
348
349                 @Override
350                 public void onEdit() {
351                     FilmstripItem data = getCurrentLocalData();
352                     if (data == null) {
353                         Log.w(TAG, "Cannot edit null data.");
354                         return;
355                     }
356                     final int currentDataId = getCurrentDataId();
357                     UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(
358                                 currentDataId),
359                             MediaInteraction.InteractionType.EDIT,
360                             NavigationChange.InteractionCause.BUTTON,
361                             fileAgeFromAdapterAtIndex(currentDataId));
362                     launchEditor(data);
363                 }
364
365                 @Override
366                 public void onTinyPlanet() {
367                     FilmstripItem data = getCurrentLocalData();
368                     if (data == null) {
369                         Log.w(TAG, "Cannot edit tiny planet on null data.");
370                         return;
371                     }
372                     launchTinyPlanetEditor(data);
373                 }
374
375                 @Override
376                 public void onDelete() {
377                     final int currentDataId = getCurrentDataId();
378                     UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(
379                                 currentDataId),
380                             MediaInteraction.InteractionType.DELETE,
381                             NavigationChange.InteractionCause.BUTTON,
382                             fileAgeFromAdapterAtIndex(currentDataId));
383                     removeItemAt(currentDataId);
384                 }
385
386                 @Override
387                 public void onShare() {
388                     final FilmstripItem data = getCurrentLocalData();
389                     if (data == null) {
390                         Log.w(TAG, "Cannot share null data.");
391                         return;
392                     }
393
394                     final int currentDataId = getCurrentDataId();
395                     UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(
396                                 currentDataId),
397                             MediaInteraction.InteractionType.SHARE,
398                             NavigationChange.InteractionCause.BUTTON,
399                             fileAgeFromAdapterAtIndex(currentDataId));
400                     // If applicable, show release information before this item
401                     // is shared.
402                     if (ReleaseHelper.shouldShowReleaseInfoDialogOnShare(data)) {
403                         ReleaseHelper.showReleaseInfoDialog(CameraActivity.this,
404                                 new Callback<Void>() {
405                                     @Override
406                                     public void onCallback(Void result) {
407                                         share(data);
408                                     }
409                                 });
410                     } else {
411                         share(data);
412                     }
413                 }
414
415                 private void share(FilmstripItem data) {
416                     Intent shareIntent = getShareIntentByData(data);
417                     if (shareIntent != null) {
418                         try {
419                             launchActivityByIntent(shareIntent);
420                             mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
421                         } catch (ActivityNotFoundException ex) {
422                             // Nothing.
423                         }
424                     }
425                 }
426
427                 private int getCurrentDataId() {
428                     return mFilmstripController.getCurrentAdapterIndex();
429                 }
430
431                 private FilmstripItem getCurrentLocalData() {
432                     return mDataAdapter.getItemAt(getCurrentDataId());
433                 }
434
435                 /**
436                  * Sets up the share intent and NFC properly according to the
437                  * data.
438                  *
439                  * @param item The data to be shared.
440                  */
441                 private Intent getShareIntentByData(final FilmstripItem item) {
442                     Intent intent = null;
443                     final Uri contentUri = item.getData().getUri();
444                     final String msgShareTo = getResources().getString(R.string.share_to);
445
446                     if (item.getMetadata().isPanorama360() &&
447                           item.getData().getUri() != Uri.EMPTY) {
448                         intent = new Intent(Intent.ACTION_SEND);
449                         intent.setType(FilmstripItemData.MIME_TYPE_PHOTOSPHERE);
450                         intent.putExtra(Intent.EXTRA_STREAM, contentUri);
451                     } else if (item.getAttributes().canShare()) {
452                         final String mimeType = item.getData().getMimeType();
453                         intent = getShareIntentFromType(mimeType);
454                         if (intent != null) {
455                             intent.putExtra(Intent.EXTRA_STREAM, contentUri);
456                             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
457                         }
458                         intent = Intent.createChooser(intent, msgShareTo);
459                     }
460                     return intent;
461                 }
462
463                 /**
464                  * Get the share intent according to the mimeType
465                  *
466                  * @param mimeType The mimeType of current data.
467                  * @return the video/image's ShareIntent or null if mimeType is
468                  *         invalid.
469                  */
470                 private Intent getShareIntentFromType(String mimeType) {
471                     // Lazily create the intent object.
472                     Intent intent = new Intent(Intent.ACTION_SEND);
473                     if (mimeType.startsWith("video/")) {
474                         intent.setType("video/*");
475                     } else {
476                         if (mimeType.startsWith("image/")) {
477                             intent.setType("image/*");
478                         } else {
479                             Log.w(TAG, "unsupported mimeType " + mimeType);
480                         }
481                     }
482                     return intent;
483                 }
484
485                 @Override
486                 public void onProgressErrorClicked() {
487                     FilmstripItem data = getCurrentLocalData();
488                     getServices().getCaptureSessionManager().removeErrorMessage(
489                             data.getData().getUri());
490                     updateBottomControlsByData(data);
491                 }
492             };
493
494     @Override
495     public void onCameraOpened(CameraAgent.CameraProxy camera) {
496         Log.v(TAG, "onCameraOpened");
497         if (mPaused) {
498             // We've paused, but just asynchronously opened the camera. Close it
499             // because we should be releasing the camera when paused to allow
500             // other apps to access it.
501             Log.v(TAG, "received onCameraOpened but activity is paused, closing Camera");
502             mCameraController.closeCamera(false);
503             return;
504         }
505
506         if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
507             // We shouldn't be here. Just close the camera and leave.
508             mCameraController.closeCamera(false);
509             throw new IllegalStateException("Camera opened but the module shouldn't be " +
510                     "requesting");
511         }
512         if (mCurrentModule != null) {
513             resetExposureCompensationToDefault(camera);
514             mCurrentModule.onCameraAvailable(camera);
515         } else {
516             Log.v(TAG, "mCurrentModule null, not invoking onCameraAvailable");
517         }
518         Log.v(TAG, "invoking onChangeCamera");
519         mCameraAppUI.onChangeCamera();
520     }
521
522     private void resetExposureCompensationToDefault(CameraAgent.CameraProxy camera) {
523         // Reset the exposure compensation before handing the camera to module.
524         CameraSettings cameraSettings = camera.getSettings();
525         cameraSettings.setExposureCompensationIndex(0);
526         camera.applySettings(cameraSettings);
527     }
528
529     @Override
530     public void onCameraDisabled(int cameraId) {
531         UsageStatistics.instance().cameraFailure(
532                 eventprotos.CameraFailure.FailureReason.SECURITY, null,
533                 UsageStatistics.NONE, UsageStatistics.NONE);
534         Log.w(TAG, "Camera disabled: " + cameraId);
535         CameraUtil.showError(this, R.string.camera_disabled, R.string.feedback_description_camera_access, true);
536     }
537
538     @Override
539     public void onDeviceOpenFailure(int cameraId, String info) {
540         UsageStatistics.instance().cameraFailure(
541                 eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info,
542                 UsageStatistics.NONE, UsageStatistics.NONE);
543         Log.w(TAG, "Camera open failure: " + info);
544         CameraUtil.showError(this, R.string.camera_disabled, R.string.feedback_description_camera_access, true);
545     }
546
547     @Override
548     public void onDeviceOpenedAlready(int cameraId, String info) {
549         Log.w(TAG, "Camera open already: " + cameraId + "," + info);
550         CameraUtil.showError(this, R.string.camera_disabled, R.string.feedback_description_camera_access, true);
551     }
552
553     @Override
554     public void onReconnectionFailure(CameraAgent mgr, String info) {
555         UsageStatistics.instance().cameraFailure(
556                 eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null,
557                 UsageStatistics.NONE, UsageStatistics.NONE);
558         Log.w(TAG, "Camera reconnection failure:" + info);
559         CameraUtil.showError(this, R.string.camera_disabled, R.string.feedback_description_camera_access, true);
560     }
561
562     private static class MainHandler extends Handler {
563         final WeakReference<CameraActivity> mActivity;
564
565         public MainHandler(CameraActivity activity, Looper looper) {
566             super(looper);
567             mActivity = new WeakReference<CameraActivity>(activity);
568         }
569
570         @Override
571         public void handleMessage(Message msg) {
572             CameraActivity activity = mActivity.get();
573             if (activity == null) {
574                 return;
575             }
576             switch (msg.what) {
577
578                 case MSG_CLEAR_SCREEN_ON_FLAG: {
579                     if (!activity.mPaused) {
580                         activity.getWindow().clearFlags(
581                                 WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
582                     }
583                     break;
584                 }
585             }
586         }
587     }
588
589     private String fileNameFromAdapterAtIndex(int index) {
590         final FilmstripItem filmstripItem = mDataAdapter.getItemAt(index);
591         if (filmstripItem == null) {
592             return "";
593         }
594
595         File localFile = new File(filmstripItem.getData().getFilePath());
596         return localFile.getName();
597     }
598
599     private float fileAgeFromAdapterAtIndex(int index) {
600         final FilmstripItem filmstripItem = mDataAdapter.getItemAt(index);
601         if (filmstripItem == null) {
602             return 0;
603         }
604
605         File localFile = new File(filmstripItem.getData().getFilePath());
606         return 0.001f * (System.currentTimeMillis() - localFile.lastModified());
607     }
608
609     private final FilmstripContentPanel.Listener mFilmstripListener =
610             new FilmstripContentPanel.Listener() {
611
612                 @Override
613                 public void onSwipeOut() {
614                 }
615
616                 @Override
617                 public void onSwipeOutBegin() {
618                     mActionBar.hide();
619                     mCameraAppUI.hideBottomControls();
620                     mFilmstripCoversPreview = false;
621                     updatePreviewVisibility();
622                 }
623
624                 @Override
625                 public void onFilmstripHidden() {
626                     mFilmstripVisible = false;
627                     UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
628                             NavigationChange.InteractionCause.SWIPE_RIGHT);
629                     CameraActivity.this.setFilmstripUiVisibility(false);
630                     // When the user hide the filmstrip (either swipe out or
631                     // tap on back key) we move to the first item so next time
632                     // when the user swipe in the filmstrip, the most recent
633                     // one is shown.
634                     mFilmstripController.goToFirstItem();
635                 }
636
637                 @Override
638                 public void onFilmstripShown() {
639                     mFilmstripVisible = true;
640                     mCameraAppUI.hideCaptureIndicator();
641                     UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
642                             NavigationChange.InteractionCause.SWIPE_LEFT);
643                     updateUiByData(mFilmstripController.getCurrentAdapterIndex());
644                 }
645
646                 @Override
647                 public void onFocusedDataLongPressed(int adapterIndex) {
648                     // Do nothing.
649                 }
650
651                 @Override
652                 public void onFocusedDataPromoted(int adapterIndex) {
653                     UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(
654                                 adapterIndex),
655                             MediaInteraction.InteractionType.DELETE,
656                             NavigationChange.InteractionCause.SWIPE_UP, fileAgeFromAdapterAtIndex(
657                                 adapterIndex));
658                     removeItemAt(adapterIndex);
659                 }
660
661                 @Override
662                 public void onFocusedDataDemoted(int adapterIndex) {
663                     UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(
664                                 adapterIndex),
665                             MediaInteraction.InteractionType.DELETE,
666                             NavigationChange.InteractionCause.SWIPE_DOWN,
667                             fileAgeFromAdapterAtIndex(adapterIndex));
668                     removeItemAt(adapterIndex);
669                 }
670
671                 @Override
672                 public void onEnterFullScreenUiShown(int adapterIndex) {
673                     if (mFilmstripVisible) {
674                         CameraActivity.this.setFilmstripUiVisibility(true);
675                     }
676                 }
677
678                 @Override
679                 public void onLeaveFullScreenUiShown(int adapterIndex) {
680                     // Do nothing.
681                 }
682
683                 @Override
684                 public void onEnterFullScreenUiHidden(int adapterIndex) {
685                     if (mFilmstripVisible) {
686                         CameraActivity.this.setFilmstripUiVisibility(false);
687                     }
688                 }
689
690                 @Override
691                 public void onLeaveFullScreenUiHidden(int adapterIndex) {
692                     // Do nothing.
693                 }
694
695                 @Override
696                 public void onEnterFilmstrip(int adapterIndex) {
697                     if (mFilmstripVisible) {
698                         CameraActivity.this.setFilmstripUiVisibility(true);
699                     }
700                 }
701
702                 @Override
703                 public void onLeaveFilmstrip(int adapterIndex) {
704                     // Do nothing.
705                 }
706
707                 @Override
708                 public void onDataReloaded() {
709                     if (!mFilmstripVisible) {
710                         return;
711                     }
712                     updateUiByData(mFilmstripController.getCurrentAdapterIndex());
713                 }
714
715                 @Override
716                 public void onDataUpdated(int adapterIndex) {
717                     if (!mFilmstripVisible) {
718                         return;
719                     }
720                     updateUiByData(mFilmstripController.getCurrentAdapterIndex());
721                 }
722
723                 @Override
724                 public void onEnterZoomView(int adapterIndex) {
725                     if (mFilmstripVisible) {
726                         CameraActivity.this.setFilmstripUiVisibility(false);
727                     }
728                 }
729
730                 @Override
731                 public void onZoomAtIndexChanged(int adapterIndex, float zoom) {
732                     final FilmstripItem filmstripItem = mDataAdapter.getItemAt(adapterIndex);
733                     long ageMillis = System.currentTimeMillis()
734                           - filmstripItem.getData().getLastModifiedDate().getTime();
735
736                     // Do not log if items is to old or does not have a path (which is
737                     // being used as a key).
738                     if (TextUtils.isEmpty(filmstripItem.getData().getFilePath()) ||
739                             ageMillis > UsageStatistics.VIEW_TIMEOUT_MILLIS) {
740                         return;
741                     }
742                     File localFile = new File(filmstripItem.getData().getFilePath());
743                     UsageStatistics.instance().mediaView(localFile.getName(),
744                           filmstripItem.getData().getLastModifiedDate().getTime(), zoom);
745                }
746
747                 @Override
748                 public void onDataFocusChanged(final int prevIndex, final int newIndex) {
749                     if (!mFilmstripVisible) {
750                         return;
751                     }
752                     // TODO: This callback is UI event callback, should always
753                     // happen on UI thread. Find the reason for this
754                     // runOnUiThread() and fix it.
755                     runOnUiThread(new Runnable() {
756                         @Override
757                         public void run() {
758                             updateUiByData(newIndex);
759                         }
760                     });
761                 }
762
763                 @Override
764                 public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
765                     mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
766                 }
767             };
768
769     private final FilmstripItemListener mFilmstripItemListener =
770             new FilmstripItemListener() {
771                 @Override
772                 public void onMetadataUpdated(List<Integer> indexes) {
773                     if (mPaused) {
774                         // Callback after the activity is paused.
775                         return;
776                     }
777                     int currentIndex = mFilmstripController.getCurrentAdapterIndex();
778                     for (Integer index : indexes) {
779                         if (index == currentIndex) {
780                             updateBottomControlsByData(mDataAdapter.getItemAt(index));
781                             // Currently we have only 1 data can be matched.
782                             // No need to look for more, break.
783                             break;
784                         }
785                     }
786                 }
787             };
788
789     public void gotoGallery() {
790         UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
791                 NavigationChange.InteractionCause.BUTTON);
792
793         mFilmstripController.goToNextItem();
794     }
795
796     /**
797      * If 'visible' is false, this hides the action bar. Also maintains
798      * lights-out at all times.
799      *
800      * @param visible is false, this hides the action bar and filmstrip bottom
801      *            controls.
802      */
803     private void setFilmstripUiVisibility(boolean visible) {
804         mLightsOutRunnable.run();
805         mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
806         if (visible != mActionBar.isShowing()) {
807             if (visible) {
808                 mActionBar.show();
809                 mCameraAppUI.showBottomControls();
810             } else {
811                 mActionBar.hide();
812                 mCameraAppUI.hideBottomControls();
813             }
814         }
815         mFilmstripCoversPreview = visible;
816         updatePreviewVisibility();
817     }
818
819     private void hideSessionProgress() {
820         mCameraAppUI.getFilmstripBottomControls().hideProgress();
821     }
822
823     private void showSessionProgress(CharSequence message) {
824         CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
825         controls.setProgressText(message);
826         controls.hideControls();
827         controls.hideProgressError();
828         controls.showProgress();
829     }
830
831     private void showProcessError(CharSequence message) {
832         mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
833     }
834
835     private void updateSessionProgress(int progress) {
836         mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
837     }
838
839     private void updateSessionProgressText(CharSequence message) {
840         mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
841     }
842
843     private void setupNfcBeamPush() {
844         NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
845         if (adapter == null) {
846             return;
847         }
848
849         if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
850             // Disable beaming
851             adapter.setNdefPushMessage(null, CameraActivity.this);
852             return;
853         }
854
855         adapter.setBeamPushUris(null, CameraActivity.this);
856         adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
857             @Override
858             public Uri[] createBeamUris(NfcEvent event) {
859                 return mNfcPushUris;
860             }
861         }, CameraActivity.this);
862     }
863
864     @Override
865     public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
866         int currentIndex = mFilmstripController.getCurrentAdapterIndex();
867         if (currentIndex < 0) {
868             return false;
869         }
870         UsageStatistics.instance().mediaInteraction(fileNameFromAdapterAtIndex(currentIndex),
871                 MediaInteraction.InteractionType.SHARE,
872                 NavigationChange.InteractionCause.BUTTON, fileAgeFromAdapterAtIndex(currentIndex));
873         // TODO add intent.getComponent().getPackageName()
874         return true;
875     }
876
877     // Note: All callbacks come back on the main thread.
878     private final SessionListener mSessionListener =
879             new SessionListener() {
880                 @Override
881                 public void onSessionQueued(final Uri uri) {
882                     Log.v(TAG, "onSessionQueued: " + uri);
883                     if (!Storage.isSessionUri(uri)) {
884                         return;
885                     }
886                     SessionItem newData = new SessionItem(getApplicationContext(), uri);
887                     mDataAdapter.addOrUpdate(newData);
888                 }
889
890                 @Override
891                 public void onSessionUpdated(Uri uri) {
892                     Log.v(TAG, "onSessionUpdated: " + uri);
893                     mDataAdapter.refresh(uri);
894                 }
895
896                 @Override
897                 public void onSessionDone(final Uri sessionUri) {
898                     Log.v(TAG, "onSessionDone:" + sessionUri);
899                     Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
900                     if (contentUri == null) {
901                         mDataAdapter.refresh(sessionUri);
902                         return;
903                     }
904                     PhotoItem newData = mPhotoItemFactory.queryContentUri(contentUri);
905
906                     // This can be null if e.g. a session is canceled (e.g.
907                     // through discard panorama). It might be worth adding
908                     // onSessionCanceled or the like this interface.
909                     if (newData == null) {
910                         Log.i(TAG, "onSessionDone: Could not find LocalData for URI: " + contentUri);
911                         return;
912                     }
913
914                     // Make the PhotoItem aware of the session placeholder, to
915                     // allow it to make a smooth transition to its content.
916                     newData.setSessionPlaceholderBitmap(
917                             Storage.getPlaceholderForSession(sessionUri));
918
919                     final int pos = mDataAdapter.findByContentUri(sessionUri);
920                     if (pos == -1) {
921                         // We do not have a placeholder for this image, perhaps
922                         // due to the activity crashing or being killed.
923                         mDataAdapter.addOrUpdate(newData);
924                     } else {
925                         mDataAdapter.updateItemAt(pos, newData);
926                     }
927                 }
928
929                 @Override
930                 public void onSessionProgress(final Uri uri, final int progress) {
931                     if (progress < 0) {
932                         // Do nothing, there is no task for this URI.
933                         return;
934                     }
935                     int currentIndex = mFilmstripController.getCurrentAdapterIndex();
936                     if (currentIndex == -1) {
937                         return;
938                     }
939                     if (uri.equals(
940                             mDataAdapter.getItemAt(currentIndex).getData().getUri())) {
941                         updateSessionProgress(progress);
942                     }
943                 }
944
945                 @Override
946                 public void onSessionProgressText(final Uri uri, final CharSequence message) {
947                     int currentIndex = mFilmstripController.getCurrentAdapterIndex();
948                     if (currentIndex == -1) {
949                         return;
950                     }
951                     if (uri.equals(
952                             mDataAdapter.getItemAt(currentIndex).getData().getUri())) {
953                         updateSessionProgressText(message);
954                     }
955                 }
956
957                 @Override
958                 public void onSessionCaptureIndicatorUpdate(Bitmap indicator, int rotationDegrees) {
959                     // Don't show capture indicator in Photo Sphere.
960                     final int photosphereModuleId = getApplicationContext().getResources()
961                             .getInteger(
962                                     R.integer.camera_mode_photosphere);
963                     if (mCurrentModeIndex == photosphereModuleId) {
964                         return;
965                     }
966                     indicateCapture(indicator, rotationDegrees);
967                 }
968
969                 @Override
970                 public void onSessionFailed(Uri uri, CharSequence reason) {
971                     Log.v(TAG, "onSessionFailed:" + uri);
972
973                     int failedIndex = mDataAdapter.findByContentUri(uri);
974                     int currentIndex = mFilmstripController.getCurrentAdapterIndex();
975
976                     if (currentIndex == failedIndex) {
977                         updateSessionProgress(0);
978                         showProcessError(reason);
979                     }
980                     if (reason.equals("content")) {
981                         UsageStatistics.instance().storageWarning(Storage.ACCESS_FAILURE);
982                         CameraUtil.showError(CameraActivity.this, R.string.media_storage_failure,
983                                 R.string.feedback_description_save_photo, false);
984                     }
985
986                     // HERE
987                     mDataAdapter.refresh(uri);
988                 }
989
990                 @Override
991                 public void onSessionThumbnailUpdate(Bitmap bitmap) {
992                 }
993
994                 @Override
995                 public void onSessionPictureDataUpdate(byte[] pictureData, int orientation) {
996                 }
997             };
998
999     @Override
1000     public Context getAndroidContext() {
1001         return mAppContext;
1002     }
1003
1004     @Override
1005     public OneCameraFeatureConfig getCameraFeatureConfig() {
1006         return mFeatureConfig;
1007     }
1008
1009     @Override
1010     public Dialog createDialog() {
1011         return new Dialog(this, android.R.style.Theme_Black_NoTitleBar_Fullscreen);
1012     }
1013
1014     @Override
1015     public void launchActivityByIntent(Intent intent) {
1016         // Starting from L, we prefer not to start edit activity within camera's task.
1017         mResetToPreviewOnResume = false;
1018         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
1019
1020         startActivity(intent);
1021     }
1022
1023     @Override
1024     public int getCurrentModuleIndex() {
1025         return mCurrentModeIndex;
1026     }
1027
1028     @Override
1029     public int getCurrentCameraId() {
1030         return mCameraController.getCurrentCameraId();
1031     }
1032
1033     @Override
1034     public String getModuleScope() {
1035         ModuleAgent agent = mModuleManager.getModuleAgent(mCurrentModeIndex);
1036         return MODULE_SCOPE_PREFIX + agent.getScopeNamespace();
1037     }
1038
1039     @Override
1040     public String getCameraScope() {
1041         int currentCameraId = getCurrentCameraId();
1042         if (currentCameraId < 0) {
1043             // if an unopen camera i.e. negative ID is returned, which we've observed in
1044             // some automated scenarios, just return it as a valid separate scope
1045             // this could cause user issues, so log a stack trace noting the call path
1046             // which resulted in this scenario.
1047             Log.w(TAG, "getting camera scope with no open camera, using id: " + currentCameraId);
1048         }
1049         return CAMERA_SCOPE_PREFIX + Integer.toString(currentCameraId);
1050     }
1051
1052     @Override
1053     public ModuleController getCurrentModuleController() {
1054         return mCurrentModule;
1055     }
1056
1057     @Override
1058     public int getQuickSwitchToModuleId(int currentModuleIndex) {
1059         return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
1060                 mAppContext);
1061     }
1062
1063     @Override
1064     public SurfaceTexture getPreviewBuffer() {
1065         // TODO: implement this
1066         return null;
1067     }
1068
1069     @Override
1070     public void onPreviewReadyToStart() {
1071         mCameraAppUI.onPreviewReadyToStart();
1072     }
1073
1074     @Override
1075     public void onPreviewStarted() {
1076         mCameraAppUI.onPreviewStarted();
1077     }
1078
1079     @Override
1080     public void addPreviewAreaSizeChangedListener(
1081             PreviewStatusListener.PreviewAreaChangedListener listener) {
1082         mCameraAppUI.addPreviewAreaChangedListener(listener);
1083     }
1084
1085     @Override
1086     public void removePreviewAreaSizeChangedListener(
1087             PreviewStatusListener.PreviewAreaChangedListener listener) {
1088         mCameraAppUI.removePreviewAreaChangedListener(listener);
1089     }
1090
1091     @Override
1092     public void setupOneShotPreviewListener() {
1093         mCameraController.setOneShotPreviewCallback(mMainHandler,
1094                 new CameraAgent.CameraPreviewDataCallback() {
1095                     @Override
1096                     public void onPreviewFrame(byte[] data, CameraAgent.CameraProxy camera) {
1097                         mCurrentModule.onPreviewInitialDataReceived();
1098                         mCameraAppUI.onNewPreviewFrame();
1099                     }
1100                 }
1101         );
1102     }
1103
1104     @Override
1105     public void updatePreviewAspectRatio(float aspectRatio) {
1106         mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
1107     }
1108
1109     @Override
1110     public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) {
1111         mCameraAppUI.updatePreviewTransformFullscreen(matrix, aspectRatio);
1112     }
1113
1114     @Override
1115     public RectF getFullscreenRect() {
1116         return mCameraAppUI.getFullscreenRect();
1117     }
1118
1119     @Override
1120     public void updatePreviewTransform(Matrix matrix) {
1121         mCameraAppUI.updatePreviewTransform(matrix);
1122     }
1123
1124     @Override
1125     public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
1126         mCameraAppUI.setPreviewStatusListener(previewStatusListener);
1127     }
1128
1129     @Override
1130     public FrameLayout getModuleLayoutRoot() {
1131         return mCameraAppUI.getModuleRootView();
1132     }
1133
1134     @Override
1135     public void setShutterEventsListener(ShutterEventsListener listener) {
1136         // TODO: implement this
1137     }
1138
1139     @Override
1140     public void setShutterEnabled(boolean enabled) {
1141         mCameraAppUI.setShutterButtonEnabled(enabled);
1142     }
1143
1144     @Override
1145     public boolean isShutterEnabled() {
1146         return mCameraAppUI.isShutterButtonEnabled();
1147     }
1148
1149     @Override
1150     public void startFlashAnimation(boolean shortFlash) {
1151         mCameraAppUI.startFlashAnimation(shortFlash);
1152     }
1153
1154     @Override
1155     public void startPreCaptureAnimation() {
1156         // TODO: implement this
1157     }
1158
1159     @Override
1160     public void cancelPreCaptureAnimation() {
1161         // TODO: implement this
1162     }
1163
1164     @Override
1165     public void startPostCaptureAnimation() {
1166         // TODO: implement this
1167     }
1168
1169     @Override
1170     public void startPostCaptureAnimation(Bitmap thumbnail) {
1171         // TODO: implement this
1172     }
1173
1174     @Override
1175     public void cancelPostCaptureAnimation() {
1176         // TODO: implement this
1177     }
1178
1179     @Override
1180     public OrientationManager getOrientationManager() {
1181         return mOrientationManager;
1182     }
1183
1184     @Override
1185     public LocationManager getLocationManager() {
1186         return mLocationManager;
1187     }
1188
1189     @Override
1190     public void lockOrientation() {
1191         if (mOrientationManager != null) {
1192             mOrientationManager.lockOrientation();
1193         }
1194     }
1195
1196     @Override
1197     public void unlockOrientation() {
1198         if (mOrientationManager != null) {
1199             mOrientationManager.unlockOrientation();
1200         }
1201     }
1202
1203     /**
1204      * If not in filmstrip, this shows the capture indicator.
1205      */
1206     private void indicateCapture(final Bitmap indicator, final int rotationDegrees) {
1207         if (mFilmstripVisible) {
1208             return;
1209         }
1210
1211         // Don't show capture indicator in Photo Sphere.
1212         // TODO: Don't reach into resources to figure out the current mode.
1213         final int photosphereModuleId = getApplicationContext().getResources().getInteger(
1214                 R.integer.camera_mode_photosphere);
1215         if (mCurrentModeIndex == photosphereModuleId) {
1216             return;
1217         }
1218
1219         mMainHandler.post(new Runnable() {
1220             @Override
1221             public void run() {
1222                 mCameraAppUI.startCaptureIndicatorRevealAnimation(mCurrentModule
1223                         .getPeekAccessibilityString());
1224                 mCameraAppUI.updateCaptureIndicatorThumbnail(indicator, rotationDegrees);
1225             }
1226         });
1227     }
1228
1229     @Override
1230     public void notifyNewMedia(Uri uri) {
1231         // TODO: This method is running on the main thread. Also we should get
1232         // rid of that AsyncTask.
1233
1234         updateStorageSpaceAndHint(null);
1235         ContentResolver cr = getContentResolver();
1236         String mimeType = cr.getType(uri);
1237         FilmstripItem newData = null;
1238         if (FilmstripItemUtils.isMimeTypeVideo(mimeType)) {
1239             sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1240             newData = mVideoItemFactory.queryContentUri(uri);
1241             if (newData == null) {
1242                 Log.e(TAG, "Can't find video data in content resolver:" + uri);
1243                 return;
1244             }
1245         } else if (FilmstripItemUtils.isMimeTypeImage(mimeType)) {
1246             CameraUtil.broadcastNewPicture(mAppContext, uri);
1247             newData = mPhotoItemFactory.queryContentUri(uri);
1248             if (newData == null) {
1249                 Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1250                 return;
1251             }
1252         } else {
1253             Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1254             return;
1255         }
1256
1257         // We are preloading the metadata for new video since we need the
1258         // rotation info for the thumbnail.
1259         new AsyncTask<FilmstripItem, Void, FilmstripItem>() {
1260             @Override
1261             protected FilmstripItem doInBackground(FilmstripItem... params) {
1262                 FilmstripItem data = params[0];
1263                 MetadataLoader.loadMetadata(getAndroidContext(), data);
1264                 return data;
1265             }
1266
1267             @Override
1268             protected void onPostExecute(final FilmstripItem data) {
1269                 // TODO: Figure out why sometimes the data is aleady there.
1270                 mDataAdapter.addOrUpdate(data);
1271
1272                 // Legacy modules don't use CaptureSession, so we show the capture indicator when
1273                 // the item was safed.
1274                 if (mCurrentModule instanceof PhotoModule ||
1275                         mCurrentModule instanceof VideoModule) {
1276                     AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1277                         @Override
1278                         public void run() {
1279                             final Optional<Bitmap> bitmap = data.generateThumbnail(
1280                                     mAboveFilmstripControlLayout.getWidth(),
1281                                     mAboveFilmstripControlLayout.getMeasuredHeight());
1282                             if (bitmap.isPresent()) {
1283                                 indicateCapture(bitmap.get(), 0);
1284                             }
1285                         }
1286                     });
1287                 }
1288             }
1289         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1290     }
1291
1292     @Override
1293     public void enableKeepScreenOn(boolean enabled) {
1294         if (mPaused) {
1295             return;
1296         }
1297
1298         mKeepScreenOn = enabled;
1299         if (mKeepScreenOn) {
1300             mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1301             getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1302         } else {
1303             keepScreenOnForAWhile();
1304         }
1305     }
1306
1307     @Override
1308     public CameraProvider getCameraProvider() {
1309         return mCameraController;
1310     }
1311
1312     @Override
1313     public OneCameraManager getCameraManager() {
1314         return mCameraManager;
1315     }
1316
1317     private void removeItemAt(int index) {
1318         mDataAdapter.removeAt(index);
1319         if (mDataAdapter.getTotalNumber() > 1) {
1320             showUndoDeletionBar();
1321         } else {
1322             // If camera preview is the only view left in filmstrip,
1323             // no need to show undo bar.
1324             mPendingDeletion = true;
1325             performDeletion();
1326             if (mFilmstripVisible) {
1327                 mCameraAppUI.getFilmstripContentPanel().animateHide();
1328             }
1329         }
1330     }
1331
1332     @Override
1333     public boolean onOptionsItemSelected(MenuItem item) {
1334         // Handle presses on the action bar items
1335         switch (item.getItemId()) {
1336             case android.R.id.home:
1337                 onBackPressed();
1338                 return true;
1339             case R.id.action_details:
1340                 showDetailsDialog(mFilmstripController.getCurrentAdapterIndex());
1341                 return true;
1342             case R.id.action_help_and_feedback:
1343                 mResetToPreviewOnResume = false;
1344                 new GoogleHelpHelper(this).launchGoogleHelp();
1345                 return true;
1346             default:
1347                 return super.onOptionsItemSelected(item);
1348         }
1349     }
1350
1351     private boolean isCaptureIntent() {
1352         if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1353                 || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1354                 || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1355             return true;
1356         } else {
1357             return false;
1358         }
1359     }
1360
1361     /**
1362      * Note: Make sure this callback is unregistered properly when the activity
1363      * is destroyed since we're otherwise leaking the Activity reference.
1364      */
1365     private final CameraExceptionHandler.CameraExceptionCallback mCameraExceptionCallback
1366         = new CameraExceptionHandler.CameraExceptionCallback() {
1367                 @Override
1368                 public void onCameraError(int errorCode) {
1369                     // Not a fatal error. only do Log.e().
1370                     Log.e(TAG, "Camera error callback. error=" + errorCode);
1371                 }
1372                 @Override
1373                 public void onCameraException(
1374                         RuntimeException ex, String commandHistory, int action, int state) {
1375                     Log.e(TAG, "Camera Exception", ex);
1376                     UsageStatistics.instance().cameraFailure(
1377                             eventprotos.CameraFailure.FailureReason.API_RUNTIME_EXCEPTION,
1378                             commandHistory, action, state);
1379                     onFatalError();
1380                 }
1381                 @Override
1382                 public void onDispatchThreadException(RuntimeException ex) {
1383                     Log.e(TAG, "DispatchThread Exception", ex);
1384                     UsageStatistics.instance().cameraFailure(
1385                             eventprotos.CameraFailure.FailureReason.API_TIMEOUT,
1386                             null, UsageStatistics.NONE, UsageStatistics.NONE);
1387                     onFatalError();
1388                 }
1389                 private void onFatalError() {
1390                     if (mCameraFatalError) {
1391                         return;
1392                     }
1393                     mCameraFatalError = true;
1394
1395                     // If the activity receives exception during onPause, just exit the app.
1396                     if (mPaused && !isFinishing()) {
1397                         Log.e(TAG, "Fatal error during onPause, call Activity.finish()");
1398                         finish();
1399                     } else {
1400                         CameraUtil.showError(CameraActivity.this, R.string.camera_disabled,
1401                                 R.string.feedback_description_camera_access, true);
1402                     }
1403                 }
1404             };
1405
1406     @Override
1407     public void onNewIntentTasks(Intent intent) {
1408         onModeSelected(getModeIndex());
1409     }
1410
1411     @Override
1412     public void onCreateTasks(Bundle state) {
1413         Profile profile = mProfiler.create("CameraActivity.onCreateTasks").start();
1414         CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1415         mOnCreateTime = System.currentTimeMillis();
1416         mAppContext = getApplicationContext();
1417         mMainHandler = new MainHandler(this, getMainLooper());
1418         mLocationManager = new LocationManager(mAppContext);
1419         mOrientationManager = new OrientationManagerImpl(this, mMainHandler);
1420         mSettingsManager = getServices().getSettingsManager();
1421         mSoundPlayer = new SoundPlayer(mAppContext);
1422         mFeatureConfig = OneCameraFeatureConfigCreator.createDefault(getContentResolver());
1423
1424         profile.mark();
1425         if (!Glide.isSetup()) {
1426             Context context = getAndroidContext();
1427             Glide.setup(new GlideBuilder(context)
1428                 .setDecodeFormat(DecodeFormat.ALWAYS_ARGB_8888)
1429                 .setResizeService(new FifoPriorityThreadPoolExecutor(2)));
1430
1431             Glide glide = Glide.get(context);
1432
1433             // As a camera we will use a large amount of memory
1434             // for displaying images.
1435             glide.setMemoryCategory(MemoryCategory.HIGH);
1436
1437             // Prefill glides bitmap pool to prevent excessive jank
1438             // when loading large images.
1439             glide.preFillBitmapPool(
1440                 new PreFillType.Builder(GlideFilmstripManager.MAXIMUM_TEXTURE_SIZE)
1441                   .setWeight(5),
1442                   // It's more important for jank and GC to have
1443                   // A larger weight of max texture size images than
1444                   // media store sized images.
1445                 new PreFillType.Builder(
1446                       GlideFilmstripManager.MEDIASTORE_THUMB_WIDTH,
1447                       GlideFilmstripManager.MEDIASTORE_THUMB_HEIGHT));
1448         }
1449         profile.mark("Glide.setup");
1450         try {
1451             mCameraManager = OneCameraManager.get(this, ResolutionUtil.getDisplayMetrics(this),
1452                     mFeatureConfig);
1453         } catch (OneCameraException e) {
1454             // Log error and continue. Modules requiring OneCamera should check
1455             // and handle if null by showing error dialog or other treatment.
1456             Log.e(TAG, "Creating camera manager failed.", e);
1457             CameraUtil.showError(this, R.string.camera_disabled, R.string.feedback_description_camera_access, true);
1458         }
1459         profile.mark("OneCameraManager.get");
1460         mCameraController = new CameraController(mAppContext, this, mMainHandler,
1461                 CameraAgentFactory.getAndroidCameraAgent(mAppContext,
1462                         CameraAgentFactory.CameraApi.API_1),
1463                 CameraAgentFactory.getAndroidCameraAgent(mAppContext,
1464                         CameraAgentFactory.CameraApi.AUTO));
1465         mCameraController.setCameraExceptionHandler(
1466                 new CameraExceptionHandler(mCameraExceptionCallback, mMainHandler));
1467
1468         // TODO: Try to move all the resources allocation to happen as soon as
1469         // possible so we can call module.init() at the earliest time.
1470         mModuleManager = new ModuleManagerImpl();
1471
1472         ModulesInfo.setupModules(mAppContext, mModuleManager, mFeatureConfig);
1473
1474         AppUpgrader appUpgrader = new AppUpgrader(this);
1475         appUpgrader.upgrade(mSettingsManager);
1476         Keys.setDefaults(mSettingsManager, mAppContext);
1477
1478         mResolutionSetting = new ResolutionSetting(mSettingsManager, mCameraManager);
1479
1480         getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1481         // We suppress this flag via theme when drawing the system preview
1482         // background, but once we create activity here, reactivate to the
1483         // default value. The default is important for L, we don't want to
1484         // change app behavior, just starting background drawable layout.
1485         if (ApiHelper.isLOrHigher()) {
1486             getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
1487         }
1488
1489         profile.mark();
1490         setContentView(R.layout.activity_main);
1491         profile.mark("setContentView()");
1492         // A window background is set in styles.xml for the system to show a
1493         // drawable background with gray color and camera icon before the
1494         // activity is created. We set the background to null here to prevent
1495         // overdraw, all views must take care of drawing backgrounds if
1496         // necessary. This call to setBackgroundDrawable must occur after
1497         // setContentView, otherwise a background may be set again from the
1498         // style.
1499         getWindow().setBackgroundDrawable(null);
1500
1501         mActionBar = getActionBar();
1502         // set actionbar background to 100% or 50% transparent
1503         if (ApiHelper.isLOrHigher()) {
1504             mActionBar.setBackgroundDrawable(new ColorDrawable(0x00000000));
1505         } else {
1506             mActionBar.setBackgroundDrawable(new ColorDrawable(0x80000000));
1507         }
1508
1509         mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1510         mModeListView.init(mModuleManager.getSupportedModeIndexList());
1511         if (ApiHelper.HAS_ROTATION_ANIMATION) {
1512             setRotationAnimation();
1513         }
1514         mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1515             @Override
1516             public void onVisibilityChanged(boolean visible) {
1517                 mModeListVisible = visible;
1518                 mCameraAppUI.setShutterButtonImportantToA11y(!visible);
1519                 updatePreviewVisibility();
1520             }
1521         });
1522
1523         // Check if this is in the secure camera mode.
1524         Intent intent = getIntent();
1525         String action = intent.getAction();
1526         if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1527                 || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1528             mSecureCamera = true;
1529         } else {
1530             mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1531         }
1532
1533         if (mSecureCamera) {
1534             // Change the window flags so that secure camera can show when
1535             // locked
1536             Window win = getWindow();
1537             WindowManager.LayoutParams params = win.getAttributes();
1538             params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1539             win.setAttributes(params);
1540
1541             // Filter for screen off so that we can finish secure camera
1542             // activity when screen is off.
1543             IntentFilter filter_screen_off = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1544             registerReceiver(mShutdownReceiver, filter_screen_off);
1545
1546             // Filter for phone unlock so that we can finish secure camera
1547             // via this UI path:
1548             //    1. from secure lock screen, user starts secure camera
1549             //    2. user presses home button
1550             //    3. user unlocks phone
1551             IntentFilter filter_user_unlock = new IntentFilter(Intent.ACTION_USER_PRESENT);
1552             registerReceiver(mShutdownReceiver, filter_user_unlock);
1553         }
1554         mCameraAppUI = new CameraAppUI(this,
1555                 (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1556
1557         mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1558
1559         mAboveFilmstripControlLayout =
1560                 (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1561
1562         // Add the session listener so we can track the session progress
1563         // updates.
1564         getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1565         mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1566         mFilmstripController.setImageGap(
1567                 getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1568         profile.mark("Configure Camera UI");
1569
1570         mPanoramaViewHelper = new PanoramaViewHelper(this);
1571         mPanoramaViewHelper.onCreate();
1572
1573         ContentResolver appContentResolver = mAppContext.getContentResolver();
1574         GlideFilmstripManager glideManager = new GlideFilmstripManager(mAppContext);
1575         mPhotoItemFactory = new PhotoItemFactory(mAppContext, glideManager, appContentResolver,
1576               new PhotoDataFactory());
1577         mVideoItemFactory = new VideoItemFactory(mAppContext, glideManager, appContentResolver,
1578               new VideoDataFactory());
1579         mDataAdapter = new CameraFilmstripDataAdapter(mAppContext,
1580               mPhotoItemFactory, mVideoItemFactory);
1581         mDataAdapter.setLocalDataListener(mFilmstripItemListener);
1582
1583         mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1584                 mDataAdapter);
1585
1586         mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1587         if (mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
1588                                         Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1589             mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1590         }
1591
1592         setModuleFromModeIndex(getModeIndex());
1593
1594         profile.mark();
1595         mCameraAppUI.prepareModuleUI();
1596         profile.mark("Init Current Module UI");
1597         mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1598         profile.mark("Init CurrentModule");
1599
1600         if (!mSecureCamera) {
1601             mFilmstripController.setDataAdapter(mDataAdapter);
1602             if (!isCaptureIntent()) {
1603                 mDataAdapter.requestLoad(new Callback<Void>() {
1604                     @Override
1605                     public void onCallback(Void result) {
1606                         fillTemporarySessions();
1607                     }
1608                 });
1609             }
1610         } else {
1611             // Put a lock placeholder as the last image by setting its date to
1612             // 0.
1613             ImageView v = (ImageView) getLayoutInflater().inflate(
1614                     R.layout.secure_album_placeholder, null);
1615             v.setTag(R.id.mediadata_tag_viewtype, FilmstripItemType.SECURE_ALBUM_PLACEHOLDER.ordinal());
1616             v.setOnClickListener(new View.OnClickListener() {
1617                 @Override
1618                 public void onClick(View view) {
1619                     UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1620                             NavigationChange.InteractionCause.BUTTON);
1621                     startGallery();
1622                     finish();
1623                 }
1624             });
1625             v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1626             mDataAdapter = new FixedLastProxyAdapter(
1627                     mAppContext,
1628                     mDataAdapter,
1629                     new PlaceholderItem(
1630                             v,
1631                             FilmstripItemType.SECURE_ALBUM_PLACEHOLDER,
1632                             v.getDrawable().getIntrinsicWidth(),
1633                             v.getDrawable().getIntrinsicHeight()));
1634             // Flush out all the original data.
1635             mDataAdapter.clear();
1636             mFilmstripController.setDataAdapter(mDataAdapter);
1637         }
1638
1639         setupNfcBeamPush();
1640
1641         mLocalImagesObserver = new FilmstripContentObserver();
1642         mLocalVideosObserver = new FilmstripContentObserver();
1643
1644         getContentResolver().registerContentObserver(
1645                 MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1646                 mLocalImagesObserver);
1647         getContentResolver().registerContentObserver(
1648               MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1649               mLocalVideosObserver);
1650
1651         mMemoryManager = getServices().getMemoryManager();
1652
1653         AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1654             @Override
1655             public void run() {
1656                 HashMap memoryData = mMemoryManager.queryMemory();
1657                 UsageStatistics.instance().reportMemoryConsumed(memoryData,
1658                       MemoryQuery.REPORT_LABEL_LAUNCH);
1659             }
1660         });
1661
1662         mMotionManager = getServices().getMotionManager();
1663
1664         mFirstRunDialog = new FirstRunDialog(this, new FirstRunDialog.FirstRunDialogListener() {
1665             @Override
1666             public void onFirstRunStateReady() {
1667                 // Run normal resume tasks.
1668                 resume();
1669             }
1670
1671             @Override
1672             public void onFirstRunDialogCancelled() {
1673                 // App isn't functional until users finish first run dialog.
1674                 // We need to finish here since users hit back button during
1675                 // first run dialog (b/19593942).
1676                 finish();
1677             }
1678
1679             @Override
1680             public void onCameraAccessException() {
1681                 CameraUtil.showError(CameraActivity.this, R.string.camera_disabled,
1682                         R.string.feedback_description_camera_access, true);
1683             }
1684         });
1685         profile.stop();
1686     }
1687
1688     /**
1689      * Get the current mode index from the Intent or from persistent
1690      * settings.
1691      */
1692     private int getModeIndex() {
1693         int modeIndex = -1;
1694         int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1695         int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1696         int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1697         int captureIntentIndex =
1698                 getResources().getInteger(R.integer.camera_mode_capture_intent);
1699         String intentAction = getIntent().getAction();
1700         if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(intentAction)
1701                 || MediaStore.ACTION_VIDEO_CAPTURE.equals(intentAction)) {
1702             modeIndex = videoIndex;
1703         } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(intentAction)
1704                 || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(intentAction)) {
1705             // Capture intent.
1706             modeIndex = captureIntentIndex;
1707         } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(intentAction)
1708                 ||MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(intentAction)
1709                 || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(intentAction)) {
1710             modeIndex = mSettingsManager.getInteger(SettingsManager.SCOPE_GLOBAL,
1711                 Keys.KEY_CAMERA_MODULE_LAST_USED);
1712
1713             // For upgraders who have not seen the aspect ratio selection screen,
1714             // we need to drop them back in the photo module and have them select
1715             // aspect ratio.
1716             // TODO: Move this to SettingsManager as an upgrade procedure.
1717             if (!mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
1718                     Keys.KEY_USER_SELECTED_ASPECT_RATIO)) {
1719                 modeIndex = photoIndex;
1720             }
1721         } else {
1722             // If the activity has not been started using an explicit intent,
1723             // read the module index from the last time the user changed modes
1724             modeIndex = mSettingsManager.getInteger(SettingsManager.SCOPE_GLOBAL,
1725                                                     Keys.KEY_STARTUP_MODULE_INDEX);
1726             if ((modeIndex == gcamIndex &&
1727                     !GcamHelper.hasGcamAsSeparateModule(mFeatureConfig)) || modeIndex < 0) {
1728                 modeIndex = photoIndex;
1729             }
1730         }
1731         return modeIndex;
1732     }
1733
1734     /**
1735      * Call this whenever the mode drawer or filmstrip change the visibility
1736      * state.
1737      */
1738     private void updatePreviewVisibility() {
1739         if (mCurrentModule == null) {
1740             return;
1741         }
1742
1743         int visibility = getPreviewVisibility();
1744         mCameraAppUI.onPreviewVisiblityChanged(visibility);
1745         updatePreviewRendering(visibility);
1746         mCurrentModule.onPreviewVisibilityChanged(visibility);
1747     }
1748
1749     private void updatePreviewRendering(int visibility) {
1750         if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1751             mCameraAppUI.pausePreviewRendering();
1752         } else {
1753             mCameraAppUI.resumePreviewRendering();
1754         }
1755     }
1756
1757     private int getPreviewVisibility() {
1758         if (mFilmstripCoversPreview) {
1759             return ModuleController.VISIBILITY_HIDDEN;
1760         } else if (mModeListVisible){
1761             return ModuleController.VISIBILITY_COVERED;
1762         } else {
1763             return ModuleController.VISIBILITY_VISIBLE;
1764         }
1765     }
1766
1767     private void setRotationAnimation() {
1768         int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1769         rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1770         Window win = getWindow();
1771         WindowManager.LayoutParams winParams = win.getAttributes();
1772         winParams.rotationAnimation = rotationAnimation;
1773         win.setAttributes(winParams);
1774     }
1775
1776     @Override
1777     public void onUserInteraction() {
1778         super.onUserInteraction();
1779         if (!isFinishing()) {
1780             keepScreenOnForAWhile();
1781         }
1782     }
1783
1784     @Override
1785     public boolean dispatchTouchEvent(MotionEvent ev) {
1786         boolean result = super.dispatchTouchEvent(ev);
1787         if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1788             // Real deletion is postponed until the next user interaction after
1789             // the gesture that triggers deletion. Until real deletion is
1790             // performed, users can click the undo button to bring back the
1791             // image that they chose to delete.
1792             if (mPendingDeletion && !mIsUndoingDeletion) {
1793                 performDeletion();
1794             }
1795         }
1796         return result;
1797     }
1798
1799     @Override
1800     public void onPauseTasks() {
1801         CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1802         Profile profile = mProfiler.create("CameraActivity.onPause").start();
1803
1804         /*
1805          * Save the last module index after all secure camera and icon launches,
1806          * not just on mode switches.
1807          *
1808          * Right now we exclude capture intents from this logic, because we also
1809          * ignore the cross-Activity recovery logic in onStart for capture intents.
1810          */
1811         if (!isCaptureIntent()) {
1812             mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
1813                                  Keys.KEY_STARTUP_MODULE_INDEX,
1814                 mCurrentModeIndex);
1815         }
1816
1817         mPaused = true;
1818         mCameraAppUI.hideCaptureIndicator();
1819         mFirstRunDialog.dismiss();
1820
1821         // Delete photos that are pending deletion
1822         performDeletion();
1823         mCurrentModule.pause();
1824         mOrientationManager.pause();
1825         mPanoramaViewHelper.onPause();
1826
1827         mLocalImagesObserver.setForegroundChangeListener(null);
1828         mLocalImagesObserver.setActivityPaused(true);
1829         mLocalVideosObserver.setActivityPaused(true);
1830         mPreloader.cancelAllLoads();
1831         resetScreenOn();
1832
1833         mMotionManager.stop();
1834
1835         // Always stop recording location when paused. Resume will start
1836         // location recording again if the location setting is on.
1837         mLocationManager.recordLocation(false);
1838
1839         UsageStatistics.instance().backgrounded();
1840
1841         // Camera is in fatal state. A fatal dialog is presented to users, but users just hit home
1842         // button. Let's just kill the process.
1843         if (mCameraFatalError && !isFinishing()) {
1844             Log.v(TAG, "onPause when camera is in fatal state, call Activity.finish()");
1845             finish();
1846         } else {
1847             // Close the camera and wait for the operation done.
1848             Log.v(TAG, "onPause closing camera");
1849             mCameraController.closeCamera(true);
1850         }
1851
1852         profile.stop();
1853     }
1854
1855     @Override
1856     public void onResumeTasks() {
1857         mPaused = false;
1858
1859         // Show the dialog if necessary. The rest resume logic will be invoked
1860         // at the onFirstRunStateReady() callback.
1861         mFirstRunDialog.showIfNecessary();
1862     }
1863
1864     private void resume() {
1865         Profile profile = mProfiler.create("CameraActivity.resume").start();
1866         CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1867         Log.v(TAG, "Build info: " + Build.DISPLAY);
1868
1869         updateStorageSpaceAndHint(null);
1870
1871         mLastLayoutOrientation = getResources().getConfiguration().orientation;
1872
1873         // TODO: Handle this in OrientationManager.
1874         // Auto-rotate off
1875         if (Settings.System.getInt(getContentResolver(),
1876                 Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1877             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1878             mAutoRotateScreen = false;
1879         } else {
1880             setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1881             mAutoRotateScreen = true;
1882         }
1883
1884         // Foreground event logging.  ACTION_STILL_IMAGE_CAMERA and
1885         // INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE are double logged due to
1886         // lockscreen onResume->onPause->onResume sequence.
1887         int source;
1888         String action = getIntent().getAction();
1889         if (action == null) {
1890             source = ForegroundSource.UNKNOWN_SOURCE;
1891         } else {
1892             switch (action) {
1893                 case MediaStore.ACTION_IMAGE_CAPTURE:
1894                     source = ForegroundSource.ACTION_IMAGE_CAPTURE;
1895                     break;
1896                 case MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA:
1897                     // was UNKNOWN_SOURCE in Fishlake.
1898                     source = ForegroundSource.ACTION_STILL_IMAGE_CAMERA;
1899                     break;
1900                 case MediaStore.INTENT_ACTION_VIDEO_CAMERA:
1901                     // was UNKNOWN_SOURCE in Fishlake.
1902                     source = ForegroundSource.ACTION_VIDEO_CAMERA;
1903                     break;
1904                 case MediaStore.ACTION_VIDEO_CAPTURE:
1905                     source = ForegroundSource.ACTION_VIDEO_CAPTURE;
1906                     break;
1907                 case MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE:
1908                     // was ACTION_IMAGE_CAPTURE_SECURE in Fishlake.
1909                     source = ForegroundSource.ACTION_STILL_IMAGE_CAMERA_SECURE;
1910                     break;
1911                 case MediaStore.ACTION_IMAGE_CAPTURE_SECURE:
1912                     source = ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE;
1913                     break;
1914                 case Intent.ACTION_MAIN:
1915                     source = ForegroundSource.ACTION_MAIN;
1916                     break;
1917                 default:
1918                     source = ForegroundSource.UNKNOWN_SOURCE;
1919                     break;
1920             }
1921         }
1922         UsageStatistics.instance().foregrounded(source, currentUserInterfaceMode());
1923
1924         mGalleryIntent = IntentHelper.getGalleryIntent(mAppContext);
1925         if (ApiHelper.isLOrHigher()) {
1926             // hide the up affordance for L devices, it's not very Materially
1927             mActionBar.setDisplayShowHomeEnabled(false);
1928         }
1929
1930         mOrientationManager.resume();
1931
1932         mCurrentModule.hardResetSettings(mSettingsManager);
1933
1934         profile.mark();
1935         mCurrentModule.resume();
1936         UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1937                 NavigationChange.InteractionCause.BUTTON);
1938         setSwipingEnabled(true);
1939         profile.mark("mCurrentModule.resume");
1940
1941         if (!mResetToPreviewOnResume) {
1942             FilmstripItem item = mDataAdapter.getItemAt(
1943                   mFilmstripController.getCurrentAdapterIndex());
1944             if (item != null) {
1945                 mDataAdapter.refresh(item.getData().getUri());
1946             }
1947         }
1948
1949         // The share button might be disabled to avoid double tapping.
1950         mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1951         // Default is showing the preview, unless disabled by explicitly
1952         // starting an activity we want to return from to the filmstrip rather
1953         // than the preview.
1954         mResetToPreviewOnResume = true;
1955
1956         if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1957                 || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1958             if (!mSecureCamera) {
1959                 // If it's secure camera, requestLoad() should not be called
1960                 // as it will load all the data.
1961                 if (!mFilmstripVisible) {
1962                     mDataAdapter.requestLoad(new Callback<Void>() {
1963                         @Override
1964                         public void onCallback(Void result) {
1965                             fillTemporarySessions();
1966                         }
1967                     });
1968                 } else {
1969                     mDataAdapter.requestLoadNewPhotos();
1970                 }
1971             }
1972         }
1973         mLocalImagesObserver.setActivityPaused(false);
1974         mLocalVideosObserver.setActivityPaused(false);
1975         if (!mSecureCamera) {
1976             mLocalImagesObserver.setForegroundChangeListener(
1977                     new FilmstripContentObserver.ChangeListener() {
1978                 @Override
1979                 public void onChange() {
1980                     mDataAdapter.requestLoadNewPhotos();
1981                 }
1982             });
1983         }
1984
1985         keepScreenOnForAWhile();
1986
1987         // Lights-out mode at all times.
1988         final View rootView = findViewById(R.id.activity_root_view);
1989         mLightsOutRunnable.run();
1990         getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1991               new OnSystemUiVisibilityChangeListener() {
1992                   @Override
1993                   public void onSystemUiVisibilityChange(int visibility) {
1994                       mMainHandler.removeCallbacks(mLightsOutRunnable);
1995                       mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1996                   }
1997               });
1998
1999         profile.mark();
2000         mPanoramaViewHelper.onResume();
2001         profile.mark("mPanoramaViewHelper.onResume()");
2002
2003         ReleaseHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
2004         // Enable location recording if the setting is on.
2005         final boolean locationRecordingEnabled =
2006                 mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL, Keys.KEY_RECORD_LOCATION);
2007         mLocationManager.recordLocation(locationRecordingEnabled);
2008
2009         final int previewVisibility = getPreviewVisibility();
2010         updatePreviewRendering(previewVisibility);
2011
2012         mMotionManager.start();
2013         profile.stop();
2014     }
2015
2016     private void fillTemporarySessions() {
2017         if (mSecureCamera) {
2018             return;
2019         }
2020         // There might be sessions still in flight (processed by our service).
2021         // Make sure they're added to the filmstrip.
2022         getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
2023     }
2024
2025     @Override
2026     public void onStartTasks() {
2027         mIsActivityRunning = true;
2028         mPanoramaViewHelper.onStart();
2029
2030         /*
2031          * If we're starting after launching a different Activity (lockscreen),
2032          * we need to use the last mode used in the other Activity, and
2033          * not the old one from this Activity.
2034          *
2035          * This needs to happen before CameraAppUI.resume() in order to set the
2036          * mode cover icon to the actual last mode used.
2037          *
2038          * Right now we exclude capture intents from this logic.
2039          */
2040         int modeIndex = getModeIndex();
2041         if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
2042             onModeSelected(modeIndex);
2043         }
2044
2045         if (mResetToPreviewOnResume) {
2046             mCameraAppUI.resume();
2047             mResetToPreviewOnResume = false;
2048         }
2049     }
2050
2051     @Override
2052     protected void onStopTasks() {
2053         mIsActivityRunning = false;
2054         mPanoramaViewHelper.onStop();
2055
2056         mLocationManager.disconnect();
2057     }
2058
2059     @Override
2060     public void onDestroyTasks() {
2061         if (mSecureCamera) {
2062             unregisterReceiver(mShutdownReceiver);
2063         }
2064
2065         mSettingsManager.removeAllListeners();
2066         mCameraController.removeCallbackReceiver();
2067         mCameraController.setCameraExceptionHandler(null);
2068         getContentResolver().unregisterContentObserver(mLocalImagesObserver);
2069         getContentResolver().unregisterContentObserver(mLocalVideosObserver);
2070         getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
2071         mCameraAppUI.onDestroy();
2072         mModeListView.setVisibilityChangedListener(null);
2073         mCameraController = null;
2074         mSettingsManager = null;
2075         mOrientationManager = null;
2076         mButtonManager = null;
2077         mSoundPlayer.release();
2078         CameraAgentFactory.recycle(CameraAgentFactory.CameraApi.API_1);
2079         CameraAgentFactory.recycle(CameraAgentFactory.CameraApi.AUTO);
2080     }
2081
2082     @Override
2083     public void onConfigurationChanged(Configuration config) {
2084         super.onConfigurationChanged(config);
2085         Log.v(TAG, "onConfigurationChanged");
2086         if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
2087             return;
2088         }
2089
2090         if (mLastLayoutOrientation != config.orientation) {
2091             mLastLayoutOrientation = config.orientation;
2092             mCurrentModule.onLayoutOrientationChanged(
2093                     mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
2094         }
2095     }
2096
2097     @Override
2098     public boolean onKeyDown(int keyCode, KeyEvent event) {
2099         if (!mFilmstripVisible) {
2100             if (mCurrentModule.onKeyDown(keyCode, event)) {
2101                 return true;
2102             }
2103             // Prevent software keyboard or voice search from showing up.
2104             if (keyCode == KeyEvent.KEYCODE_SEARCH
2105                     || keyCode == KeyEvent.KEYCODE_MENU) {
2106                 if (event.isLongPress()) {
2107                     return true;
2108                 }
2109             }
2110         }
2111
2112         return super.onKeyDown(keyCode, event);
2113     }
2114
2115     @Override
2116     public boolean onKeyUp(int keyCode, KeyEvent event) {
2117         if (!mFilmstripVisible) {
2118             // If a module is in the middle of capture, it should
2119             // consume the key event.
2120             if (mCurrentModule.onKeyUp(keyCode, event)) {
2121                 return true;
2122             } else if (keyCode == KeyEvent.KEYCODE_MENU
2123                     || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
2124                 // Let the mode list view consume the event.
2125                 mCameraAppUI.openModeList();
2126                 return true;
2127             } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
2128                 mCameraAppUI.showFilmstrip();
2129                 return true;
2130             }
2131         } else {
2132             if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
2133                 mFilmstripController.goToNextItem();
2134                 return true;
2135             } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
2136                 boolean wentToPrevious = mFilmstripController.goToPreviousItem();
2137                 if (!wentToPrevious) {
2138                   // at beginning of filmstrip, hide and go back to preview
2139                   mCameraAppUI.hideFilmstrip();
2140                 }
2141                 return true;
2142             }
2143         }
2144         return super.onKeyUp(keyCode, event);
2145     }
2146
2147     @Override
2148     public void onBackPressed() {
2149         if (!mCameraAppUI.onBackPressed()) {
2150             if (!mCurrentModule.onBackPressed()) {
2151                 super.onBackPressed();
2152             }
2153         }
2154     }
2155
2156     @Override
2157     public boolean isAutoRotateScreen() {
2158         // TODO: Move to OrientationManager.
2159         return mAutoRotateScreen;
2160     }
2161
2162     @Override
2163     public boolean onCreateOptionsMenu(Menu menu) {
2164         MenuInflater inflater = getMenuInflater();
2165         inflater.inflate(R.menu.filmstrip_menu, menu);
2166         mActionBarMenu = menu;
2167
2168         // add a button for launching the gallery
2169         if (mGalleryIntent != null) {
2170             CharSequence appName =  IntentHelper.getGalleryAppName(mAppContext, mGalleryIntent);
2171             if (appName != null) {
2172                 MenuItem menuItem = menu.add(appName);
2173                 menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
2174                 menuItem.setIntent(mGalleryIntent);
2175
2176                 Drawable galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
2177                 if (galleryLogo != null) {
2178                     menuItem.setIcon(galleryLogo);
2179                 }
2180             }
2181         }
2182
2183         return super.onCreateOptionsMenu(menu);
2184     }
2185
2186     @Override
2187     public boolean onPrepareOptionsMenu(Menu menu) {
2188         if (isSecureCamera() && !ApiHelper.isLOrHigher()) {
2189             // Compatibility pre-L: launching new activities right above
2190             // lockscreen does not reliably work, only show help if not secure
2191             menu.removeItem(R.id.action_help_and_feedback);
2192         }
2193
2194         return super.onPrepareOptionsMenu(menu);
2195     }
2196
2197     protected long getStorageSpaceBytes() {
2198         synchronized (mStorageSpaceLock) {
2199             return mStorageSpaceBytes;
2200         }
2201     }
2202
2203     protected interface OnStorageUpdateDoneListener {
2204         public void onStorageUpdateDone(long bytes);
2205     }
2206
2207     protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
2208         /*
2209          * We execute disk operations on a background thread in order to
2210          * free up the UI thread.  Synchronizing on the lock below ensures
2211          * that when getStorageSpaceBytes is called, the main thread waits
2212          * until this method has completed.
2213          *
2214          * However, .execute() does not ensure this execution block will be
2215          * run right away (.execute() schedules this AsyncTask for sometime
2216          * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
2217          * tries to execute the task in parellel with other AsyncTasks, but
2218          * there's still no guarantee).
2219          * e.g. don't call this then immediately call getStorageSpaceBytes().
2220          * Instead, pass in an OnStorageUpdateDoneListener.
2221          */
2222         (new AsyncTask<Void, Void, Long>() {
2223             @Override
2224             protected Long doInBackground(Void ... arg) {
2225                 synchronized (mStorageSpaceLock) {
2226                     mStorageSpaceBytes = Storage.getAvailableSpace();
2227                     return mStorageSpaceBytes;
2228                 }
2229             }
2230
2231             @Override
2232             protected void onPostExecute(Long bytes) {
2233                 updateStorageHint(bytes);
2234                 // This callback returns after I/O to check disk, so we could be
2235                 // pausing and shutting down. If so, don't bother invoking.
2236                 if (callback != null && !mPaused) {
2237                     callback.onStorageUpdateDone(bytes);
2238                 } else {
2239                     Log.v(TAG, "ignoring storage callback after activity pause");
2240                 }
2241             }
2242         }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
2243     }
2244
2245     protected void updateStorageHint(long storageSpace) {
2246         if (!mIsActivityRunning) {
2247             return;
2248         }
2249
2250         String message = null;
2251         if (storageSpace == Storage.UNAVAILABLE) {
2252             message = getString(R.string.no_storage);
2253         } else if (storageSpace == Storage.PREPARING) {
2254             message = getString(R.string.preparing_sd);
2255         } else if (storageSpace == Storage.UNKNOWN_SIZE) {
2256             message = getString(R.string.access_sd_fail);
2257         } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
2258             message = getString(R.string.spaceIsLow_content);
2259         }
2260
2261         if (message != null) {
2262             Log.w(TAG, "Storage warning: " + message);
2263             if (mStorageHint == null) {
2264                 mStorageHint = OnScreenHint.makeText(message);
2265             } else {
2266                 mStorageHint.setText(message);
2267             }
2268             mStorageHint.show();
2269             UsageStatistics.instance().storageWarning(storageSpace);
2270
2271             // Disable all user interactions,
2272             mCameraAppUI.setDisableAllUserInteractions(true);
2273         } else if (mStorageHint != null) {
2274             mStorageHint.cancel();
2275             mStorageHint = null;
2276
2277             // Re-enable all user interactions.
2278             mCameraAppUI.setDisableAllUserInteractions(false);
2279         }
2280     }
2281
2282     protected void setResultEx(int resultCode) {
2283         mResultCodeForTesting = resultCode;
2284         setResult(resultCode);
2285     }
2286
2287     protected void setResultEx(int resultCode, Intent data) {
2288         mResultCodeForTesting = resultCode;
2289         mResultDataForTesting = data;
2290         setResult(resultCode, data);
2291     }
2292
2293     public int getResultCode() {
2294         return mResultCodeForTesting;
2295     }
2296
2297     public Intent getResultData() {
2298         return mResultDataForTesting;
2299     }
2300
2301     public boolean isSecureCamera() {
2302         return mSecureCamera;
2303     }
2304
2305     @Override
2306     public boolean isPaused() {
2307         return mPaused;
2308     }
2309
2310     @Override
2311     public int getPreferredChildModeIndex(int modeIndex) {
2312         if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2313             boolean hdrPlusOn = Keys.isHdrPlusOn(mSettingsManager);
2314             if (hdrPlusOn && GcamHelper.hasGcamAsSeparateModule(mFeatureConfig)) {
2315                 modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
2316             }
2317         }
2318         return modeIndex;
2319     }
2320
2321     @Override
2322     public void onModeSelected(int modeIndex) {
2323         if (mCurrentModeIndex == modeIndex) {
2324             return;
2325         }
2326
2327         CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
2328         // Record last used camera mode for quick switching
2329         if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
2330                 || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2331             mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
2332                                  Keys.KEY_CAMERA_MODULE_LAST_USED,
2333                                  modeIndex);
2334         }
2335
2336         closeModule(mCurrentModule);
2337
2338         // Select the correct module index from the mode switcher index.
2339         modeIndex = getPreferredChildModeIndex(modeIndex);
2340         setModuleFromModeIndex(modeIndex);
2341
2342         mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
2343         mCameraAppUI.addShutterListener(mCurrentModule);
2344         openModule(mCurrentModule);
2345         // Store the module index so we can use it the next time the Camera
2346         // starts up.
2347         mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
2348                              Keys.KEY_STARTUP_MODULE_INDEX, modeIndex);
2349     }
2350
2351     /**
2352      * Shows the settings dialog.
2353      */
2354     @Override
2355     public void onSettingsSelected() {
2356         UsageStatistics.instance().controlUsed(
2357                 eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
2358         Intent intent = new Intent(this, CameraSettingsActivity.class);
2359         startActivity(intent);
2360     }
2361
2362     @Override
2363     public void freezeScreenUntilPreviewReady() {
2364         mCameraAppUI.freezeScreenUntilPreviewReady();
2365     }
2366
2367     @Override
2368     public int getModuleId(int modeIndex) {
2369         ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
2370         if (agent == null) {
2371             return -1;
2372         }
2373         return agent.getModuleId();
2374     }
2375
2376     /**
2377      * Sets the mCurrentModuleIndex, creates a new module instance for the given
2378      * index an sets it as mCurrentModule.
2379      */
2380     private void setModuleFromModeIndex(int modeIndex) {
2381         ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
2382         if (agent == null) {
2383             return;
2384         }
2385         if (!agent.requestAppForCamera()) {
2386             mCameraController.closeCamera(true);
2387         }
2388         mCurrentModeIndex = agent.getModuleId();
2389         mCurrentModule = (CameraModule) agent.createModule(this, getIntent());
2390     }
2391
2392     @Override
2393     public SettingsManager getSettingsManager() {
2394         return mSettingsManager;
2395     }
2396
2397     @Override
2398     public ResolutionSetting getResolutionSetting() {
2399         return mResolutionSetting;
2400     }
2401
2402     @Override
2403     public CameraServices getServices() {
2404         return CameraServicesImpl.instance();
2405     }
2406
2407     public List<String> getSupportedModeNames() {
2408         List<Integer> indices = mModuleManager.getSupportedModeIndexList();
2409         List<String> supported = new ArrayList<String>();
2410
2411         for (Integer modeIndex : indices) {
2412             String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
2413             if (name != null && !name.equals("")) {
2414                 supported.add(name);
2415             }
2416         }
2417         return supported;
2418     }
2419
2420     @Override
2421     public ButtonManager getButtonManager() {
2422         if (mButtonManager == null) {
2423             mButtonManager = new ButtonManager(this);
2424         }
2425         return mButtonManager;
2426     }
2427
2428     @Override
2429     public SoundPlayer getSoundPlayer() {
2430         return mSoundPlayer;
2431     }
2432
2433     /**
2434      * Launches an ACTION_EDIT intent for the given local data item. If
2435      * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2436      * the user start either the tiny planet editor or another photo editor.
2437      *
2438      * @param data The data item to edit.
2439      */
2440     public void launchEditor(FilmstripItem data) {
2441         Intent intent = new Intent(Intent.ACTION_EDIT)
2442                 .setDataAndType(data.getData().getUri(), data.getData().getMimeType())
2443                 .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2444         try {
2445             launchActivityByIntent(intent);
2446         } catch (ActivityNotFoundException e) {
2447             final String msgEditWith = getResources().getString(R.string.edit_with);
2448             launchActivityByIntent(Intent.createChooser(intent, msgEditWith));
2449         }
2450     }
2451
2452     @Override
2453     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2454         super.onCreateContextMenu(menu, v, menuInfo);
2455
2456         MenuInflater inflater = getMenuInflater();
2457         inflater.inflate(R.menu.filmstrip_context_menu, menu);
2458     }
2459
2460     @Override
2461     public boolean onContextItemSelected(MenuItem item) {
2462         switch (item.getItemId()) {
2463             case R.id.tiny_planet_editor:
2464                 mMyFilmstripBottomControlListener.onTinyPlanet();
2465                 return true;
2466             case R.id.photo_editor:
2467                 mMyFilmstripBottomControlListener.onEdit();
2468                 return true;
2469         }
2470         return false;
2471     }
2472
2473     /**
2474      * Launch the tiny planet editor.
2475      *
2476      * @param data The data must be a 360 degree stereographically mapped
2477      *            panoramic image. It will not be modified, instead a new item
2478      *            with the result will be added to the filmstrip.
2479      */
2480     public void launchTinyPlanetEditor(FilmstripItem data) {
2481         TinyPlanetFragment fragment = new TinyPlanetFragment();
2482         Bundle bundle = new Bundle();
2483         bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getData().getUri().toString());
2484         bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getData().getTitle());
2485         fragment.setArguments(bundle);
2486         fragment.show(getFragmentManager(), "tiny_planet");
2487     }
2488
2489     /**
2490      * Returns what UI mode (capture mode or filmstrip) we are in.
2491      * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2492      */
2493     private int currentUserInterfaceMode() {
2494         int mode = NavigationChange.Mode.UNKNOWN_MODE;
2495         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2496             mode = NavigationChange.Mode.PHOTO_CAPTURE;
2497         }
2498         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2499             mode = NavigationChange.Mode.VIDEO_CAPTURE;
2500         }
2501         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2502             mode = NavigationChange.Mode.LENS_BLUR;
2503         }
2504         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2505             mode = NavigationChange.Mode.HDR_PLUS;
2506         }
2507         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2508             mode = NavigationChange.Mode.PHOTO_SPHERE;
2509         }
2510         if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2511             mode = NavigationChange.Mode.PANORAMA;
2512         }
2513         if (mFilmstripVisible) {
2514             mode = NavigationChange.Mode.FILMSTRIP;
2515         }
2516         return mode;
2517     }
2518
2519     private void openModule(CameraModule module) {
2520         module.init(this, isSecureCamera(), isCaptureIntent());
2521         module.hardResetSettings(mSettingsManager);
2522         // Hide accessibility zoom UI by default. Modules will enable it themselves if required.
2523         getCameraAppUI().hideAccessibilityZoomUI();
2524         if (!mPaused) {
2525             module.resume();
2526             UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2527                     NavigationChange.InteractionCause.BUTTON);
2528             updatePreviewVisibility();
2529         }
2530     }
2531
2532     private void closeModule(CameraModule module) {
2533         module.pause();
2534         mCameraAppUI.clearModuleUI();
2535     }
2536
2537     private void performDeletion() {
2538         if (!mPendingDeletion) {
2539             return;
2540         }
2541         hideUndoDeletionBar(false);
2542         mDataAdapter.executeDeletion();
2543     }
2544
2545     public void showUndoDeletionBar() {
2546         if (mPendingDeletion) {
2547             performDeletion();
2548         }
2549         Log.v(TAG, "showing undo bar");
2550         mPendingDeletion = true;
2551         if (mUndoDeletionBar == null) {
2552             ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2553                     mAboveFilmstripControlLayout, true);
2554             mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2555             View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2556             button.setOnClickListener(new View.OnClickListener() {
2557                 @Override
2558                 public void onClick(View view) {
2559                     mDataAdapter.undoDeletion();
2560                     hideUndoDeletionBar(true);
2561                 }
2562             });
2563             // Setting undo bar clickable to avoid touch events going through
2564             // the bar to the buttons (eg. edit button, etc) underneath the bar.
2565             mUndoDeletionBar.setClickable(true);
2566             // When there is user interaction going on with the undo button, we
2567             // do not want to hide the undo bar.
2568             button.setOnTouchListener(new View.OnTouchListener() {
2569                 @Override
2570                 public boolean onTouch(View v, MotionEvent event) {
2571                     if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2572                         mIsUndoingDeletion = true;
2573                     } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2574                         mIsUndoingDeletion = false;
2575                     }
2576                     return false;
2577                 }
2578             });
2579         }
2580         mUndoDeletionBar.setAlpha(0f);
2581         mUndoDeletionBar.setVisibility(View.VISIBLE);
2582         mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2583     }
2584
2585     private void hideUndoDeletionBar(boolean withAnimation) {
2586         Log.v(TAG, "Hiding undo deletion bar");
2587         mPendingDeletion = false;
2588         if (mUndoDeletionBar != null) {
2589             if (withAnimation) {
2590                 mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2591                         .setListener(new Animator.AnimatorListener() {
2592                             @Override
2593                             public void onAnimationStart(Animator animation) {
2594                                 // Do nothing.
2595                             }
2596
2597                             @Override
2598                             public void onAnimationEnd(Animator animation) {
2599                                 mUndoDeletionBar.setVisibility(View.GONE);
2600                             }
2601
2602                             @Override
2603                             public void onAnimationCancel(Animator animation) {
2604                                 // Do nothing.
2605                             }
2606
2607                             @Override
2608                             public void onAnimationRepeat(Animator animation) {
2609                                 // Do nothing.
2610                             }
2611                         }).start();
2612             } else {
2613                 mUndoDeletionBar.setVisibility(View.GONE);
2614             }
2615         }
2616     }
2617
2618     /**
2619      * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2620      * capture intent.
2621      *
2622      * @param enable {@code true} to enable swipe.
2623      */
2624     public void setSwipingEnabled(boolean enable) {
2625         // TODO: Bring back the functionality.
2626         if (isCaptureIntent()) {
2627             // lockPreview(true);
2628         } else {
2629             // lockPreview(!enable);
2630         }
2631     }
2632
2633     // Accessor methods for getting latency times used in performance testing
2634     public long getFirstPreviewTime() {
2635         if (mCurrentModule instanceof PhotoModule) {
2636             long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2637             if (coverHiddenTime != -1) {
2638                 return coverHiddenTime - mOnCreateTime;
2639             }
2640         }
2641         return -1;
2642     }
2643
2644     public long getAutoFocusTime() {
2645         return (mCurrentModule instanceof PhotoModule) ?
2646                 ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2647     }
2648
2649     public long getShutterLag() {
2650         return (mCurrentModule instanceof PhotoModule) ?
2651                 ((PhotoModule) mCurrentModule).mShutterLag : -1;
2652     }
2653
2654     public long getShutterToPictureDisplayedTime() {
2655         return (mCurrentModule instanceof PhotoModule) ?
2656                 ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2657     }
2658
2659     public long getPictureDisplayedToJpegCallbackTime() {
2660         return (mCurrentModule instanceof PhotoModule) ?
2661                 ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2662     }
2663
2664     public long getJpegCallbackFinishTime() {
2665         return (mCurrentModule instanceof PhotoModule) ?
2666                 ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2667     }
2668
2669     public long getCaptureStartTime() {
2670         return (mCurrentModule instanceof PhotoModule) ?
2671                 ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2672     }
2673
2674     public boolean isRecording() {
2675         return (mCurrentModule instanceof VideoModule) ?
2676                 ((VideoModule) mCurrentModule).isRecording() : false;
2677     }
2678
2679     public CameraAgent.CameraOpenCallback getCameraOpenErrorCallback() {
2680         return mCameraController;
2681     }
2682
2683     // For debugging purposes only.
2684     public CameraModule getCurrentModule() {
2685         return mCurrentModule;
2686     }
2687
2688     @Override
2689     public void showTutorial(AbstractTutorialOverlay tutorial) {
2690         mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2691     }
2692
2693     @Override
2694     public void showErrorAndFinish(int messageId) {
2695         CameraUtil.showError(this, messageId, R.string.feedback_description_camera_access, true);
2696     }
2697
2698     @Override
2699     public void finishActivityWithIntentCompleted(Intent resultIntent) {
2700         finishActivityWithIntentResult(Activity.RESULT_OK, resultIntent);
2701     }
2702
2703     @Override
2704     public void finishActivityWithIntentCanceled() {
2705         finishActivityWithIntentResult(Activity.RESULT_CANCELED, new Intent());
2706     }
2707
2708     private void finishActivityWithIntentResult(int resultCode, Intent resultIntent) {
2709         mResultCodeForTesting = resultCode;
2710         mResultDataForTesting = resultIntent;
2711         setResult(resultCode, resultIntent);
2712         finish();
2713     }
2714
2715     private void keepScreenOnForAWhile() {
2716         if (mKeepScreenOn) {
2717             return;
2718         }
2719         mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2720         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2721         mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2722     }
2723
2724     private void resetScreenOn() {
2725         mKeepScreenOn = false;
2726         mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2727         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2728     }
2729
2730     /**
2731      * @return {@code true} if the Gallery is launched successfully.
2732      */
2733     private boolean startGallery() {
2734         if (mGalleryIntent == null) {
2735             return false;
2736         }
2737         try {
2738             UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2739                     NavigationChange.InteractionCause.BUTTON);
2740             Intent startGalleryIntent = new Intent(mGalleryIntent);
2741             int currentIndex = mFilmstripController.getCurrentAdapterIndex();
2742             FilmstripItem currentFilmstripItem = mDataAdapter.getItemAt(currentIndex);
2743             if (currentFilmstripItem != null) {
2744                 GalleryHelper.setContentUri(startGalleryIntent,
2745                       currentFilmstripItem.getData().getUri());
2746             }
2747             launchActivityByIntent(startGalleryIntent);
2748         } catch (ActivityNotFoundException e) {
2749             Log.w(TAG, "Failed to launch gallery activity, closing");
2750         }
2751         return false;
2752     }
2753
2754     private void setNfcBeamPushUriFromData(FilmstripItem data) {
2755         final Uri uri = data.getData().getUri();
2756         if (uri != Uri.EMPTY) {
2757             mNfcPushUris[0] = uri;
2758         } else {
2759             mNfcPushUris[0] = null;
2760         }
2761     }
2762
2763     /**
2764      * Updates the visibility of the filmstrip bottom controls and action bar.
2765      */
2766     private void updateUiByData(final int index) {
2767         final FilmstripItem currentData = mDataAdapter.getItemAt(index);
2768         if (currentData == null) {
2769             Log.w(TAG, "Current data ID not found.");
2770             hideSessionProgress();
2771             return;
2772         }
2773         updateActionBarMenu(currentData);
2774
2775         /* Bottom controls. */
2776         updateBottomControlsByData(currentData);
2777
2778         if (isSecureCamera()) {
2779             // We cannot show buttons in secure camera since go to other
2780             // activities might create a security hole.
2781             mCameraAppUI.getFilmstripBottomControls().hideControls();
2782             return;
2783         }
2784
2785         setNfcBeamPushUriFromData(currentData);
2786
2787         if (!mDataAdapter.isMetadataUpdatedAt(index)) {
2788             mDataAdapter.updateMetadataAt(index);
2789         }
2790     }
2791
2792     /**
2793      * Updates the bottom controls based on the data.
2794      */
2795     private void updateBottomControlsByData(final FilmstripItem currentData) {
2796
2797         final CameraAppUI.BottomPanel filmstripBottomPanel =
2798                 mCameraAppUI.getFilmstripBottomControls();
2799         filmstripBottomPanel.showControls();
2800         filmstripBottomPanel.setEditButtonVisibility(
2801                 currentData.getAttributes().canEdit());
2802         filmstripBottomPanel.setShareButtonVisibility(
2803               currentData.getAttributes().canShare());
2804         filmstripBottomPanel.setDeleteButtonVisibility(
2805                 currentData.getAttributes().canDelete());
2806
2807         /* Progress bar */
2808
2809         Uri contentUri = currentData.getData().getUri();
2810         CaptureSessionManager sessionManager = getServices()
2811                 .getCaptureSessionManager();
2812
2813         if (sessionManager.hasErrorMessage(contentUri)) {
2814             showProcessError(sessionManager.getErrorMessage(contentUri));
2815         } else {
2816             filmstripBottomPanel.hideProgressError();
2817             CaptureSession session = sessionManager.getSession(contentUri);
2818
2819             if (session != null) {
2820                 int sessionProgress = session.getProgress();
2821
2822                 if (sessionProgress < 0) {
2823                     hideSessionProgress();
2824                 } else {
2825                     CharSequence progressMessage = session.getProgressMessage();
2826                     showSessionProgress(progressMessage);
2827                     updateSessionProgress(sessionProgress);
2828                 }
2829             } else {
2830                 hideSessionProgress();
2831             }
2832         }
2833
2834         /* View button */
2835
2836         // We need to add this to a separate DB.
2837         final int viewButtonVisibility;
2838         if (currentData.getMetadata().isUsePanoramaViewer()) {
2839             viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2840         } else if (currentData.getMetadata().isHasRgbzData()) {
2841             viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2842         } else {
2843             viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2844         }
2845
2846         filmstripBottomPanel.setTinyPlanetEnabled(
2847                 currentData.getMetadata().isPanorama360());
2848         filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2849     }
2850
2851     private void showDetailsDialog(int index) {
2852         final FilmstripItem data = mDataAdapter.getItemAt(index);
2853         if (data == null) {
2854             return;
2855         }
2856         Optional<MediaDetails> details = data.getMediaDetails();
2857         if (!details.isPresent()) {
2858             return;
2859         }
2860         Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details.get());
2861         detailDialog.show();
2862         UsageStatistics.instance().mediaInteraction(
2863                 fileNameFromAdapterAtIndex(index), MediaInteraction.InteractionType.DETAILS,
2864                 NavigationChange.InteractionCause.BUTTON, fileAgeFromAdapterAtIndex(index));
2865     }
2866
2867     /**
2868      * Show or hide action bar items depending on current data type.
2869      */
2870     private void updateActionBarMenu(FilmstripItem data) {
2871         if (mActionBarMenu == null) {
2872             return;
2873         }
2874
2875         MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2876         if (detailsMenuItem == null) {
2877             return;
2878         }
2879
2880         boolean showDetails = data.getAttributes().hasDetailedCaptureInfo();
2881         detailsMenuItem.setVisible(showDetails);
2882     }
2883 }