src/com/android/gallery3d/app/Gallery.java

   1 /*
   2  * Copyright (C) 2009 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 package com.android.gallery3d.app;
  18
  19 import android.app.Dialog;
  20 import android.content.AsyncQueryHandler;
  21 import android.content.ContentResolver;
  22 import android.content.DialogInterface;
  23 import android.content.DialogInterface.OnCancelListener;
  24 import android.content.Intent;
  25 import android.database.Cursor;
  26 import android.net.Uri;
  27 import android.os.Bundle;
  28 import android.provider.OpenableColumns;
  29 import android.view.Menu;
  30 import android.view.Window;
  31 import android.widget.Toast;
  32
  33 import com.android.gallery3d.R;
  34 import com.android.gallery3d.common.Utils;
  35 import com.android.gallery3d.data.DataManager;
  36 import com.android.gallery3d.data.MediaItem;
  37 import com.android.gallery3d.data.MediaSet;
  38 import com.android.gallery3d.data.Path;
  39 import com.android.gallery3d.picasasource.PicasaSource;
  40 import com.android.gallery3d.ui.GLRoot;
  41 import com.android.gallery3d.util.GalleryUtils;
  42
  43 public final class Gallery extends AbstractGalleryActivity implements OnCancelListener {
  44     public static final String EXTRA_SLIDESHOW = "slideshow";
  45     public static final String EXTRA_DREAM = "dream";
  46     public static final String EXTRA_CROP = "crop";
  47
  48     public static final String ACTION_REVIEW = "com.android.camera.action.REVIEW";
  49     public static final String KEY_GET_CONTENT = "get-content";
  50     public static final String KEY_GET_ALBUM = "get-album";
  51     public static final String KEY_TYPE_BITS = "type-bits";
  52     public static final String KEY_MEDIA_TYPES = "mediaTypes";
  53
  54     private static final String TAG = "Gallery";
  55     private Dialog mVersionCheckDialog;
  56
  57     @Override
  58     protected void onCreate(Bundle savedInstanceState) {
  59         super.onCreate(savedInstanceState);
  60         requestWindowFeature(Window.FEATURE_ACTION_BAR);
  61         requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
  62
  63         setContentView(R.layout.main);
  64
  65         if (savedInstanceState != null) {
  66             getStateManager().restoreFromState(savedInstanceState);
  67         } else {
  68             initializeByIntent();
  69         }
  70     }
  71
  72     private void initializeByIntent() {
  73         Intent intent = getIntent();
  74         String action = intent.getAction();
  75
  76         if (Intent.ACTION_GET_CONTENT.equalsIgnoreCase(action)) {
  77             startGetContent(intent);
  78         } else if (Intent.ACTION_PICK.equalsIgnoreCase(action)) {
  79             // We do NOT really support the PICK intent. Handle it as
  80             // the GET_CONTENT. However, we need to translate the type
  81             // in the intent here.
  82             Log.w(TAG, "action PICK is not supported");
  83             String type = Utils.ensureNotNull(intent.getType());
  84             if (type.startsWith("vnd.android.cursor.dir/")) {
  85                 if (type.endsWith("/image")) intent.setType("image/*");
  86                 if (type.endsWith("/video")) intent.setType("video/*");
  87             }
  88             startGetContent(intent);
  89         } else if (Intent.ACTION_VIEW.equalsIgnoreCase(action)
  90                 || ACTION_REVIEW.equalsIgnoreCase(action)){
  91             startViewAction(intent);
  92         } else {
  93             startDefaultPage();
  94         }
  95     }
  96
  97     public void startDefaultPage() {
  98         PicasaSource.showSignInReminder(this);
  99         Bundle data = new Bundle();
 100         data.putString(AlbumSetPage.KEY_MEDIA_PATH,
 101                 getDataManager().getTopSetPath(DataManager.INCLUDE_ALL));
 102         getStateManager().startState(AlbumSetPage.class, data);
 103         mVersionCheckDialog = PicasaSource.getVersionCheckDialog(this);
 104         if (mVersionCheckDialog != null) {
 105             mVersionCheckDialog.setOnCancelListener(this);
 106         }
 107     }
 108
 109     private void startGetContent(Intent intent) {
 110         Bundle data = intent.getExtras() != null
 111                 ? new Bundle(intent.getExtras())
 112                 : new Bundle();
 113         data.putBoolean(KEY_GET_CONTENT, true);
 114         int typeBits = GalleryUtils.determineTypeBits(this, intent);
 115         data.putInt(KEY_TYPE_BITS, typeBits);
 116         data.putString(AlbumSetPage.KEY_MEDIA_PATH,
 117                 getDataManager().getTopSetPath(typeBits));
 118         getStateManager().startState(AlbumSetPage.class, data);
 119     }
 120
 121     private String getContentType(Intent intent) {
 122         String type = intent.getType();
 123         if (type != null) return type;
 124
 125         Uri uri = intent.getData();
 126         try {
 127             return getContentResolver().getType(uri);
 128         } catch (Throwable t) {
 129             Log.w(TAG, "get type fail", t);
 130             return null;
 131         }
 132     }
 133
 134     private void startViewAction(Intent intent) {
 135         Boolean slideshow = intent.getBooleanExtra(EXTRA_SLIDESHOW, false);
 136         if (slideshow) {
 137             getActionBar().hide();
 138             DataManager manager = getDataManager();
 139             Path path = manager.findPathByUri(intent.getData(), intent.getType());
 140             if (path == null || manager.getMediaObject(path)
 141                     instanceof MediaItem) {
 142                 path = Path.fromString(
 143                         manager.getTopSetPath(DataManager.INCLUDE_IMAGE));
 144             }
 145             Bundle data = new Bundle();
 146             data.putString(SlideshowPage.KEY_SET_PATH, path.toString());
 147             data.putBoolean(SlideshowPage.KEY_RANDOM_ORDER, true);
 148             data.putBoolean(SlideshowPage.KEY_REPEAT, true);
 149             if (intent.getBooleanExtra(EXTRA_DREAM, false)) {
 150                 data.putBoolean(SlideshowPage.KEY_DREAM, true);
 151             }
 152             getStateManager().startState(SlideshowPage.class, data);
 153         } else {
 154             Bundle data = new Bundle();
 155             DataManager dm = getDataManager();
 156             Uri uri = intent.getData();
 157             String contentType = getContentType(intent);
 158             if (contentType == null) {
 159                 Toast.makeText(this,
 160                         R.string.no_such_item, Toast.LENGTH_LONG).show();
 161                 finish();
 162                 return;
 163             }
 164             if (uri == null) {
 165                 int typeBits = GalleryUtils.determineTypeBits(this, intent);
 166                 data.putInt(KEY_TYPE_BITS, typeBits);
 167                 data.putString(AlbumSetPage.KEY_MEDIA_PATH,
 168                         getDataManager().getTopSetPath(typeBits));
 169                 getStateManager().startState(AlbumSetPage.class, data);
 170             } else if (contentType.startsWith(
 171                     ContentResolver.CURSOR_DIR_BASE_TYPE)) {
 172                 int mediaType = intent.getIntExtra(KEY_MEDIA_TYPES, 0);
 173                 if (mediaType != 0) {
 174                     uri = uri.buildUpon().appendQueryParameter(
 175                             KEY_MEDIA_TYPES, String.valueOf(mediaType))
 176                             .build();
 177                 }
 178                 Path setPath = dm.findPathByUri(uri, null);
 179                 MediaSet mediaSet = null;
 180                 if (setPath != null) {
 181                     mediaSet = (MediaSet) dm.getMediaObject(setPath);
 182                 }
 183                 if (mediaSet != null) {
 184                     if (mediaSet.isLeafAlbum()) {
 185                         data.putString(AlbumPage.KEY_MEDIA_PATH, setPath.toString());
 186                         data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
 187                                 dm.getTopSetPath(DataManager.INCLUDE_ALL));
 188                         getStateManager().startState(AlbumPage.class, data);
 189                     } else {
 190                         data.putString(AlbumSetPage.KEY_MEDIA_PATH, setPath.toString());
 191                         getStateManager().startState(AlbumSetPage.class, data);
 192                     }
 193                 } else {
 194                     startDefaultPage();
 195                 }
 196             } else {
 197                 Path itemPath = dm.findPathByUri(uri, intent.getType());
 198                 Path albumPath = dm.getDefaultSetOf(itemPath);
 199                 // TODO: Make this parameter public so other activities can reference it.
 200                 boolean singleItemOnly = intent.getBooleanExtra("SingleItemOnly", false);
 201                 if (!singleItemOnly && (albumPath != null)) {
 202                     data.putString(PhotoPage.KEY_MEDIA_SET_PATH, albumPath.toString());
 203                 }
 204                 data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH, itemPath.toString());
 205                 if (intent.getBooleanExtra(PhotoPage.KEY_TREAT_BACK_AS_UP, false)) {
 206                     data.putBoolean(PhotoPage.KEY_TREAT_BACK_AS_UP, true);
 207                 }
 208
 209                 // Displays the filename as title, reading the filename from the interface:
 210                 // {@link android.provider.OpenableColumns#DISPLAY_NAME}.
 211                 AsyncQueryHandler queryHandler = new AsyncQueryHandler(getContentResolver()) {
 212                     @Override
 213                     protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
 214                         try {
 215                             if ((cursor != null) && cursor.moveToFirst()) {
 216                                 String displayName = cursor.getString(0);
 217
 218                                 // Just show empty title if other apps don't set DISPLAY_NAME
 219                                 setTitle((displayName == null) ? "" : displayName);
 220                             }
 221                         } finally {
 222                             Utils.closeSilently(cursor);
 223                         }
 224                     }
 225                 };
 226                 queryHandler.startQuery(0, null, uri, new String[] {OpenableColumns.DISPLAY_NAME},
 227                         null, null, null);
 228
 229                 getStateManager().startState(PhotoPage.class, data);
 230             }
 231         }
 232     }
 233
 234     @Override
 235     public boolean onCreateOptionsMenu(Menu menu) {
 236         super.onCreateOptionsMenu(menu);
 237         return getStateManager().createOptionsMenu(menu);
 238     }
 239
 240     @Override
 241     protected void onResume() {
 242         Utils.assertTrue(getStateManager().getStateCount() > 0);
 243         super.onResume();
 244         if (mVersionCheckDialog != null) {
 245             mVersionCheckDialog.show();
 246         }
 247     }
 248
 249     @Override
 250     protected void onPause() {
 251         super.onPause();
 252         if (mVersionCheckDialog != null) {
 253             mVersionCheckDialog.dismiss();
 254         }
 255     }
 256
 257     @Override
 258     public void onCancel(DialogInterface dialog) {
 259         if (dialog == mVersionCheckDialog) {
 260             mVersionCheckDialog = null;
 261         }
 262     }
 263 }