package com.android.internal.app;
+import android.animation.ObjectAnimator;
+import android.annotation.NonNull;
import android.app.Activity;
import android.content.ComponentName;
+import android.content.Context;
import android.content.Intent;
import android.content.IntentSender;
+import android.content.IntentSender.SendIntentException;
+import android.content.ServiceConnection;
import android.content.pm.ActivityInfo;
+import android.content.pm.LabeledIntent;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ResolveInfo;
+import android.database.DataSetObserver;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.Icon;
import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
import android.os.Parcelable;
+import android.os.RemoteException;
+import android.os.ResultReceiver;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.provider.DocumentsContract;
+import android.service.chooser.ChooserTarget;
+import android.service.chooser.ChooserTargetService;
+import android.service.chooser.IChooserTargetResult;
+import android.service.chooser.IChooserTargetService;
+import android.text.TextUtils;
+import android.util.FloatProperty;
import android.util.Log;
import android.util.Slog;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.MeasureSpec;
+import android.view.View.OnClickListener;
+import android.view.View.OnLongClickListener;
+import android.view.ViewGroup;
+import android.view.ViewGroup.LayoutParams;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+import android.widget.AbsListView;
+import android.widget.BaseAdapter;
+import android.widget.ListView;
+import com.android.internal.R;
+import com.android.internal.logging.MetricsLogger;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
public class ChooserActivity extends ResolverActivity {
private static final String TAG = "ChooserActivity";
+ private static final boolean DEBUG = false;
+
+ private static final int QUERY_TARGET_SERVICE_LIMIT = 5;
+ private static final int WATCHDOG_TIMEOUT_MILLIS = 5000;
+
private Bundle mReplacementExtras;
private IntentSender mChosenComponentSender;
+ private IntentSender mRefinementIntentSender;
+ private RefinementResultReceiver mRefinementResultReceiver;
+
+ private Intent mReferrerFillInIntent;
+
+ private ChooserListAdapter mChooserListAdapter;
+ private ChooserRowAdapter mChooserRowAdapter;
+
+ private final List<ChooserTargetServiceConnection> mServiceConnections = new ArrayList<>();
+
+ private static final int CHOOSER_TARGET_SERVICE_RESULT = 1;
+ private static final int CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT = 2;
+
+ private final Handler mChooserHandler = new Handler() {
+ @Override
+ public void handleMessage(Message msg) {
+ switch (msg.what) {
+ case CHOOSER_TARGET_SERVICE_RESULT:
+ if (DEBUG) Log.d(TAG, "CHOOSER_TARGET_SERVICE_RESULT");
+ if (isDestroyed()) break;
+ final ServiceResultInfo sri = (ServiceResultInfo) msg.obj;
+ if (!mServiceConnections.contains(sri.connection)) {
+ Log.w(TAG, "ChooserTargetServiceConnection " + sri.connection
+ + " returned after being removed from active connections."
+ + " Have you considered returning results faster?");
+ break;
+ }
+ if (sri.resultTargets != null) {
+ mChooserListAdapter.addServiceResults(sri.originalTarget,
+ sri.resultTargets);
+ }
+ unbindService(sri.connection);
+ sri.connection.destroy();
+ mServiceConnections.remove(sri.connection);
+ if (mServiceConnections.isEmpty()) {
+ mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT);
+ sendVoiceChoicesIfNeeded();
+ }
+ break;
+
+ case CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT:
+ if (DEBUG) {
+ Log.d(TAG, "CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT; unbinding services");
+ }
+ unbindRemainingServices();
+ sendVoiceChoicesIfNeeded();
+ break;
+
+ default:
+ super.handleMessage(msg);
+ }
+ }
+ };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(null);
return;
}
- Intent target = (Intent)targetParcelable;
+ Intent target = (Intent) targetParcelable;
if (target != null) {
modifyTargetIntent(target);
}
+ Parcelable[] targetsParcelable
+ = intent.getParcelableArrayExtra(Intent.EXTRA_ALTERNATE_INTENTS);
+ if (targetsParcelable != null) {
+ final boolean offset = target == null;
+ Intent[] additionalTargets =
+ new Intent[offset ? targetsParcelable.length - 1 : targetsParcelable.length];
+ for (int i = 0; i < targetsParcelable.length; i++) {
+ if (!(targetsParcelable[i] instanceof Intent)) {
+ Log.w(TAG, "EXTRA_ALTERNATE_INTENTS array entry #" + i + " is not an Intent: "
+ + targetsParcelable[i]);
+ finish();
+ super.onCreate(null);
+ return;
+ }
+ final Intent additionalTarget = (Intent) targetsParcelable[i];
+ if (i == 0 && target == null) {
+ target = additionalTarget;
+ modifyTargetIntent(target);
+ } else {
+ additionalTargets[offset ? i - 1 : i] = additionalTarget;
+ modifyTargetIntent(additionalTarget);
+ }
+ }
+ setAdditionalTargets(additionalTargets);
+ }
+
mReplacementExtras = intent.getBundleExtra(Intent.EXTRA_REPLACEMENT_EXTRAS);
CharSequence title = intent.getCharSequenceExtra(Intent.EXTRA_TITLE);
int defaultTitleRes = 0;
initialIntents = new Intent[pa.length];
for (int i=0; i<pa.length; i++) {
if (!(pa[i] instanceof Intent)) {
- Log.w("ChooserActivity", "Initial intent #" + i + " not an Intent: " + pa[i]);
+ Log.w(TAG, "Initial intent #" + i + " not an Intent: " + pa[i]);
finish();
super.onCreate(null);
return;
initialIntents[i] = in;
}
}
+
+ mReferrerFillInIntent = new Intent().putExtra(Intent.EXTRA_REFERRER, getReferrer());
+
mChosenComponentSender = intent.getParcelableExtra(
Intent.EXTRA_CHOSEN_COMPONENT_INTENT_SENDER);
+ mRefinementIntentSender = intent.getParcelableExtra(
+ Intent.EXTRA_CHOOSER_REFINEMENT_INTENT_SENDER);
setSafeForwardingMode(true);
super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents,
null, false);
+
+ MetricsLogger.action(this, MetricsLogger.ACTION_ACTIVITY_CHOOSER_SHOWN);
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ if (mRefinementResultReceiver != null) {
+ mRefinementResultReceiver.destroy();
+ mRefinementResultReceiver = null;
+ }
+ unbindRemainingServices();
+ mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_RESULT);
}
@Override
}
@Override
- public void onActivityStarted(Intent intent) {
+ void onActivityStarted(TargetInfo cti) {
if (mChosenComponentSender != null) {
- final ComponentName target = intent.getComponent();
+ final ComponentName target = cti.getResolvedComponentName();
if (target != null) {
final Intent fillIn = new Intent().putExtra(Intent.EXTRA_CHOSEN_COMPONENT, target);
try {
}
}
+ @Override
+ void onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter,
+ boolean alwaysUseOption) {
+ final ListView listView = adapterView instanceof ListView ? (ListView) adapterView : null;
+ mChooserListAdapter = (ChooserListAdapter) adapter;
+ mChooserRowAdapter = new ChooserRowAdapter(mChooserListAdapter);
+ mChooserRowAdapter.registerDataSetObserver(new OffsetDataSetObserver(adapterView));
+ adapterView.setAdapter(mChooserRowAdapter);
+ if (listView != null) {
+ listView.setItemsCanFocus(true);
+ }
+ }
+
+ @Override
+ int getLayoutResource() {
+ return R.layout.chooser_grid;
+ }
+
+ @Override
+ boolean shouldGetActivityMetadata() {
+ return true;
+ }
+
+ @Override
+ boolean shouldAutoLaunchSingleChoice(TargetInfo target) {
+ final Intent intent = target.getResolvedIntent();
+ final ResolveInfo resolve = target.getResolveInfo();
+
+ // When GET_CONTENT is handled by the DocumentsUI system component,
+ // we're okay automatically launching it, since it offers it's own
+ // intent disambiguation UI.
+ if (intent != null && Intent.ACTION_GET_CONTENT.equals(intent.getAction())
+ && resolve != null && resolve.priority > 0
+ && resolve.activityInfo != null && DocumentsContract.PACKAGE_DOCUMENTS_UI
+ .equals(resolve.activityInfo.packageName)) {
+ return true;
+ }
+
+ return false;
+ }
+
private void modifyTargetIntent(Intent in) {
final String action = in.getAction();
if (Intent.ACTION_SEND.equals(action) ||
Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
}
}
+
+ @Override
+ protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
+ if (mRefinementIntentSender != null) {
+ final Intent fillIn = new Intent();
+ final List<Intent> sourceIntents = target.getAllSourceIntents();
+ if (!sourceIntents.isEmpty()) {
+ fillIn.putExtra(Intent.EXTRA_INTENT, sourceIntents.get(0));
+ if (sourceIntents.size() > 1) {
+ final Intent[] alts = new Intent[sourceIntents.size() - 1];
+ for (int i = 1, N = sourceIntents.size(); i < N; i++) {
+ alts[i - 1] = sourceIntents.get(i);
+ }
+ fillIn.putExtra(Intent.EXTRA_ALTERNATE_INTENTS, alts);
+ }
+ if (mRefinementResultReceiver != null) {
+ mRefinementResultReceiver.destroy();
+ }
+ mRefinementResultReceiver = new RefinementResultReceiver(this, target, null);
+ fillIn.putExtra(Intent.EXTRA_RESULT_RECEIVER,
+ mRefinementResultReceiver);
+ try {
+ mRefinementIntentSender.sendIntent(this, 0, fillIn, null, null);
+ return false;
+ } catch (SendIntentException e) {
+ Log.e(TAG, "Refinement IntentSender failed to send", e);
+ }
+ }
+ }
+ return super.onTargetSelected(target, alwaysCheck);
+ }
+
+ @Override
+ void startSelected(int which, boolean always, boolean filtered) {
+ super.startSelected(which, always, filtered);
+
+ if (mChooserListAdapter != null) {
+ // Log the index of which type of target the user picked.
+ // Lower values mean the ranking was better.
+ int cat = 0;
+ int value = which;
+ switch (mChooserListAdapter.getPositionTargetType(which)) {
+ case ChooserListAdapter.TARGET_CALLER:
+ cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET;
+ break;
+ case ChooserListAdapter.TARGET_SERVICE:
+ cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET;
+ value -= mChooserListAdapter.getCallerTargetCount();
+ break;
+ case ChooserListAdapter.TARGET_STANDARD:
+ cat = MetricsLogger.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET;
+ value -= mChooserListAdapter.getCallerTargetCount()
+ + mChooserListAdapter.getServiceTargetCount();
+ break;
+ }
+
+ if (cat != 0) {
+ MetricsLogger.action(this, cat, value);
+ }
+ }
+ }
+
+ void queryTargetServices(ChooserListAdapter adapter) {
+ final PackageManager pm = getPackageManager();
+ int targetsToQuery = 0;
+ for (int i = 0, N = adapter.getDisplayResolveInfoCount(); i < N; i++) {
+ final DisplayResolveInfo dri = adapter.getDisplayResolveInfo(i);
+ if (adapter.getScore(dri) == 0) {
+ // A score of 0 means the app hasn't been used in some time;
+ // don't query it as it's not likely to be relevant.
+ continue;
+ }
+ final ActivityInfo ai = dri.getResolveInfo().activityInfo;
+ final Bundle md = ai.metaData;
+ final String serviceName = md != null ? convertServiceName(ai.packageName,
+ md.getString(ChooserTargetService.META_DATA_NAME)) : null;
+ if (serviceName != null) {
+ final ComponentName serviceComponent = new ComponentName(
+ ai.packageName, serviceName);
+ final Intent serviceIntent = new Intent(ChooserTargetService.SERVICE_INTERFACE)
+ .setComponent(serviceComponent);
+
+ if (DEBUG) {
+ Log.d(TAG, "queryTargets found target with service " + serviceComponent);
+ }
+
+ try {
+ final String perm = pm.getServiceInfo(serviceComponent, 0).permission;
+ if (!ChooserTargetService.BIND_PERMISSION.equals(perm)) {
+ Log.w(TAG, "ChooserTargetService " + serviceComponent + " does not require"
+ + " permission " + ChooserTargetService.BIND_PERMISSION
+ + " - this service will not be queried for ChooserTargets."
+ + " add android:permission=\""
+ + ChooserTargetService.BIND_PERMISSION + "\""
+ + " to the <service> tag for " + serviceComponent
+ + " in the manifest.");
+ continue;
+ }
+ } catch (NameNotFoundException e) {
+ Log.e(TAG, "Could not look up service " + serviceComponent, e);
+ continue;
+ }
+
+ final ChooserTargetServiceConnection conn =
+ new ChooserTargetServiceConnection(this, dri);
+ if (bindServiceAsUser(serviceIntent, conn, BIND_AUTO_CREATE | BIND_NOT_FOREGROUND,
+ UserHandle.CURRENT)) {
+ if (DEBUG) {
+ Log.d(TAG, "Binding service connection for target " + dri
+ + " intent " + serviceIntent);
+ }
+ mServiceConnections.add(conn);
+ targetsToQuery++;
+ }
+ }
+ if (targetsToQuery >= QUERY_TARGET_SERVICE_LIMIT) {
+ if (DEBUG) Log.d(TAG, "queryTargets hit query target limit "
+ + QUERY_TARGET_SERVICE_LIMIT);
+ break;
+ }
+ }
+
+ if (!mServiceConnections.isEmpty()) {
+ if (DEBUG) Log.d(TAG, "queryTargets setting watchdog timer for "
+ + WATCHDOG_TIMEOUT_MILLIS + "ms");
+ mChooserHandler.sendEmptyMessageDelayed(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT,
+ WATCHDOG_TIMEOUT_MILLIS);
+ } else {
+ sendVoiceChoicesIfNeeded();
+ }
+ }
+
+ private String convertServiceName(String packageName, String serviceName) {
+ if (TextUtils.isEmpty(serviceName)) {
+ return null;
+ }
+
+ final String fullName;
+ if (serviceName.startsWith(".")) {
+ // Relative to the app package. Prepend the app package name.
+ fullName = packageName + serviceName;
+ } else if (serviceName.indexOf('.') >= 0) {
+ // Fully qualified package name.
+ fullName = serviceName;
+ } else {
+ fullName = null;
+ }
+ return fullName;
+ }
+
+ void unbindRemainingServices() {
+ if (DEBUG) {
+ Log.d(TAG, "unbindRemainingServices, " + mServiceConnections.size() + " left");
+ }
+ for (int i = 0, N = mServiceConnections.size(); i < N; i++) {
+ final ChooserTargetServiceConnection conn = mServiceConnections.get(i);
+ if (DEBUG) Log.d(TAG, "unbinding " + conn);
+ unbindService(conn);
+ conn.destroy();
+ }
+ mServiceConnections.clear();
+ mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT);
+ }
+
+ void onSetupVoiceInteraction() {
+ // Do nothing. We'll send the voice stuff ourselves.
+ }
+
+ void onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent) {
+ if (mRefinementResultReceiver != null) {
+ mRefinementResultReceiver.destroy();
+ mRefinementResultReceiver = null;
+ }
+
+ if (selectedTarget == null) {
+ Log.e(TAG, "Refinement result intent did not match any known targets; canceling");
+ } else if (!checkTargetSourceIntent(selectedTarget, matchingIntent)) {
+ Log.e(TAG, "onRefinementResult: Selected target " + selectedTarget
+ + " cannot match refined source intent " + matchingIntent);
+ } else if (super.onTargetSelected(selectedTarget.cloneFilledIn(matchingIntent, 0), false)) {
+ finish();
+ return;
+ }
+ onRefinementCanceled();
+ }
+
+ void onRefinementCanceled() {
+ if (mRefinementResultReceiver != null) {
+ mRefinementResultReceiver.destroy();
+ mRefinementResultReceiver = null;
+ }
+ finish();
+ }
+
+ boolean checkTargetSourceIntent(TargetInfo target, Intent matchingIntent) {
+ final List<Intent> targetIntents = target.getAllSourceIntents();
+ for (int i = 0, N = targetIntents.size(); i < N; i++) {
+ final Intent targetIntent = targetIntents.get(i);
+ if (targetIntent.filterEquals(matchingIntent)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ void filterServiceTargets(String packageName, List<ChooserTarget> targets) {
+ if (targets == null) {
+ return;
+ }
+
+ final PackageManager pm = getPackageManager();
+ for (int i = targets.size() - 1; i >= 0; i--) {
+ final ChooserTarget target = targets.get(i);
+ final ComponentName targetName = target.getComponentName();
+ if (packageName != null && packageName.equals(targetName.getPackageName())) {
+ // Anything from the original target's package is fine.
+ continue;
+ }
+
+ boolean remove;
+ try {
+ final ActivityInfo ai = pm.getActivityInfo(targetName, 0);
+ remove = !ai.exported || ai.permission != null;
+ } catch (NameNotFoundException e) {
+ Log.e(TAG, "Target " + target + " returned by " + packageName
+ + " component not found");
+ remove = true;
+ }
+
+ if (remove) {
+ targets.remove(i);
+ }
+ }
+ }
+
+ @Override
+ ResolveListAdapter createAdapter(Context context, List<Intent> payloadIntents,
+ Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid,
+ boolean filterLastUsed) {
+ final ChooserListAdapter adapter = new ChooserListAdapter(context, payloadIntents,
+ initialIntents, rList, launchedFromUid, filterLastUsed);
+ if (DEBUG) Log.d(TAG, "Adapter created; querying services");
+ queryTargetServices(adapter);
+ return adapter;
+ }
+
+ final class ChooserTargetInfo implements TargetInfo {
+ private final DisplayResolveInfo mSourceInfo;
+ private final ResolveInfo mBackupResolveInfo;
+ private final ChooserTarget mChooserTarget;
+ private Drawable mBadgeIcon = null;
+ private CharSequence mBadgeContentDescription;
+ private Drawable mDisplayIcon;
+ private final Intent mFillInIntent;
+ private final int mFillInFlags;
+ private final float mModifiedScore;
+
+ public ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget,
+ float modifiedScore) {
+ mSourceInfo = sourceInfo;
+ mChooserTarget = chooserTarget;
+ mModifiedScore = modifiedScore;
+ if (sourceInfo != null) {
+ final ResolveInfo ri = sourceInfo.getResolveInfo();
+ if (ri != null) {
+ final ActivityInfo ai = ri.activityInfo;
+ if (ai != null && ai.applicationInfo != null) {
+ final PackageManager pm = getPackageManager();
+ mBadgeIcon = pm.getApplicationIcon(ai.applicationInfo);
+ mBadgeContentDescription = pm.getApplicationLabel(ai.applicationInfo);
+ }
+ }
+ }
+ final Icon icon = chooserTarget.getIcon();
+ // TODO do this in the background
+ mDisplayIcon = icon != null ? icon.loadDrawable(ChooserActivity.this) : null;
+
+ if (sourceInfo != null) {
+ mBackupResolveInfo = null;
+ } else {
+ mBackupResolveInfo = getPackageManager().resolveActivity(getResolvedIntent(), 0);
+ }
+
+ mFillInIntent = null;
+ mFillInFlags = 0;
+ }
+
+ private ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags) {
+ mSourceInfo = other.mSourceInfo;
+ mBackupResolveInfo = other.mBackupResolveInfo;
+ mChooserTarget = other.mChooserTarget;
+ mBadgeIcon = other.mBadgeIcon;
+ mBadgeContentDescription = other.mBadgeContentDescription;
+ mDisplayIcon = other.mDisplayIcon;
+ mFillInIntent = fillInIntent;
+ mFillInFlags = flags;
+ mModifiedScore = other.mModifiedScore;
+ }
+
+ public float getModifiedScore() {
+ return mModifiedScore;
+ }
+
+ @Override
+ public Intent getResolvedIntent() {
+ if (mSourceInfo != null) {
+ return mSourceInfo.getResolvedIntent();
+ }
+ return getTargetIntent();
+ }
+
+ @Override
+ public ComponentName getResolvedComponentName() {
+ if (mSourceInfo != null) {
+ return mSourceInfo.getResolvedComponentName();
+ } else if (mBackupResolveInfo != null) {
+ return new ComponentName(mBackupResolveInfo.activityInfo.packageName,
+ mBackupResolveInfo.activityInfo.name);
+ }
+ return null;
+ }
+
+ private Intent getBaseIntentToSend() {
+ Intent result = mSourceInfo != null
+ ? mSourceInfo.getResolvedIntent() : getTargetIntent();
+ if (result == null) {
+ Log.e(TAG, "ChooserTargetInfo: no base intent available to send");
+ } else {
+ result = new Intent(result);
+ if (mFillInIntent != null) {
+ result.fillIn(mFillInIntent, mFillInFlags);
+ }
+ result.fillIn(mReferrerFillInIntent, 0);
+ }
+ return result;
+ }
+
+ @Override
+ public boolean start(Activity activity, Bundle options) {
+ throw new RuntimeException("ChooserTargets should be started as caller.");
+ }
+
+ @Override
+ public boolean startAsCaller(Activity activity, Bundle options, int userId) {
+ final Intent intent = getBaseIntentToSend();
+ if (intent == null) {
+ return false;
+ }
+ intent.setComponent(mChooserTarget.getComponentName());
+ intent.putExtras(mChooserTarget.getIntentExtras());
+
+ // Important: we will ignore the target security checks in ActivityManager
+ // if and only if the ChooserTarget's target package is the same package
+ // where we got the ChooserTargetService that provided it. This lets a
+ // ChooserTargetService provide a non-exported or permission-guarded target
+ // to the chooser for the user to pick.
+ //
+ // If mSourceInfo is null, we got this ChooserTarget from the caller or elsewhere
+ // so we'll obey the caller's normal security checks.
+ final boolean ignoreTargetSecurity = mSourceInfo != null
+ && mSourceInfo.getResolvedComponentName().getPackageName()
+ .equals(mChooserTarget.getComponentName().getPackageName());
+ activity.startActivityAsCaller(intent, options, ignoreTargetSecurity, userId);
+ return true;
+ }
+
+ @Override
+ public boolean startAsUser(Activity activity, Bundle options, UserHandle user) {
+ throw new RuntimeException("ChooserTargets should be started as caller.");
+ }
+
+ @Override
+ public ResolveInfo getResolveInfo() {
+ return mSourceInfo != null ? mSourceInfo.getResolveInfo() : mBackupResolveInfo;
+ }
+
+ @Override
+ public CharSequence getDisplayLabel() {
+ return mChooserTarget.getTitle();
+ }
+
+ @Override
+ public CharSequence getExtendedInfo() {
+ // ChooserTargets have badge icons, so we won't show the extended info to disambiguate.
+ return null;
+ }
+
+ @Override
+ public Drawable getDisplayIcon() {
+ return mDisplayIcon;
+ }
+
+ @Override
+ public Drawable getBadgeIcon() {
+ return mBadgeIcon;
+ }
+
+ @Override
+ public CharSequence getBadgeContentDescription() {
+ return mBadgeContentDescription;
+ }
+
+ @Override
+ public TargetInfo cloneFilledIn(Intent fillInIntent, int flags) {
+ return new ChooserTargetInfo(this, fillInIntent, flags);
+ }
+
+ @Override
+ public List<Intent> getAllSourceIntents() {
+ final List<Intent> results = new ArrayList<>();
+ if (mSourceInfo != null) {
+ // We only queried the service for the first one in our sourceinfo.
+ results.add(mSourceInfo.getAllSourceIntents().get(0));
+ }
+ return results;
+ }
+ }
+
+ public class ChooserListAdapter extends ResolveListAdapter {
+ public static final int TARGET_BAD = -1;
+ public static final int TARGET_CALLER = 0;
+ public static final int TARGET_SERVICE = 1;
+ public static final int TARGET_STANDARD = 2;
+
+ private static final int MAX_SERVICE_TARGETS = 8;
+
+ private final List<ChooserTargetInfo> mServiceTargets = new ArrayList<>();
+ private final List<TargetInfo> mCallerTargets = new ArrayList<>();
+
+ private float mLateFee = 1.f;
+
+ private final BaseChooserTargetComparator mBaseTargetComparator
+ = new BaseChooserTargetComparator();
+
+ public ChooserListAdapter(Context context, List<Intent> payloadIntents,
+ Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid,
+ boolean filterLastUsed) {
+ // Don't send the initial intents through the shared ResolverActivity path,
+ // we want to separate them into a different section.
+ super(context, payloadIntents, null, rList, launchedFromUid, filterLastUsed);
+
+ if (initialIntents != null) {
+ final PackageManager pm = getPackageManager();
+ for (int i = 0; i < initialIntents.length; i++) {
+ final Intent ii = initialIntents[i];
+ if (ii == null) {
+ continue;
+ }
+ final ActivityInfo ai = ii.resolveActivityInfo(pm, 0);
+ if (ai == null) {
+ Log.w(TAG, "No activity found for " + ii);
+ continue;
+ }
+ ResolveInfo ri = new ResolveInfo();
+ ri.activityInfo = ai;
+ UserManager userManager =
+ (UserManager) getSystemService(Context.USER_SERVICE);
+ if (ii instanceof LabeledIntent) {
+ LabeledIntent li = (LabeledIntent)ii;
+ ri.resolvePackageName = li.getSourcePackage();
+ ri.labelRes = li.getLabelResource();
+ ri.nonLocalizedLabel = li.getNonLocalizedLabel();
+ ri.icon = li.getIconResource();
+ ri.iconResourceId = ri.icon;
+ }
+ if (userManager.isManagedProfile()) {
+ ri.noResourceId = true;
+ ri.icon = 0;
+ }
+ mCallerTargets.add(new DisplayResolveInfo(ii, ri,
+ ri.loadLabel(pm), null, ii));
+ }
+ }
+ }
+
+ @Override
+ public boolean showsExtendedInfo(TargetInfo info) {
+ // We have badges so we don't need this text shown.
+ return false;
+ }
+
+ @Override
+ public View onCreateView(ViewGroup parent) {
+ return mInflater.inflate(
+ com.android.internal.R.layout.resolve_grid_item, parent, false);
+ }
+
+ @Override
+ public void onListRebuilt() {
+ if (mServiceTargets != null) {
+ pruneServiceTargets();
+ }
+ }
+
+ @Override
+ public boolean shouldGetResolvedFilter() {
+ return true;
+ }
+
+ @Override
+ public int getCount() {
+ return super.getCount() + getServiceTargetCount() + getCallerTargetCount();
+ }
+
+ @Override
+ public int getUnfilteredCount() {
+ return super.getUnfilteredCount() + getServiceTargetCount() + getCallerTargetCount();
+ }
+
+ public int getCallerTargetCount() {
+ return mCallerTargets.size();
+ }
+
+ public int getServiceTargetCount() {
+ return Math.min(mServiceTargets.size(), MAX_SERVICE_TARGETS);
+ }
+
+ public int getStandardTargetCount() {
+ return super.getCount();
+ }
+
+ public int getPositionTargetType(int position) {
+ int offset = 0;
+
+ final int callerTargetCount = getCallerTargetCount();
+ if (position < callerTargetCount) {
+ return TARGET_CALLER;
+ }
+ offset += callerTargetCount;
+
+ final int serviceTargetCount = getServiceTargetCount();
+ if (position - offset < serviceTargetCount) {
+ return TARGET_SERVICE;
+ }
+ offset += serviceTargetCount;
+
+ final int standardTargetCount = super.getCount();
+ if (position - offset < standardTargetCount) {
+ return TARGET_STANDARD;
+ }
+
+ return TARGET_BAD;
+ }
+
+ @Override
+ public TargetInfo getItem(int position) {
+ return targetInfoForPosition(position, true);
+ }
+
+ @Override
+ public TargetInfo targetInfoForPosition(int position, boolean filtered) {
+ int offset = 0;
+
+ final int callerTargetCount = getCallerTargetCount();
+ if (position < callerTargetCount) {
+ return mCallerTargets.get(position);
+ }
+ offset += callerTargetCount;
+
+ final int serviceTargetCount = getServiceTargetCount();
+ if (position - offset < serviceTargetCount) {
+ return mServiceTargets.get(position - offset);
+ }
+ offset += serviceTargetCount;
+
+ return filtered ? super.getItem(position - offset)
+ : getDisplayInfoAt(position - offset);
+ }
+
+ public void addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets) {
+ if (DEBUG) Log.d(TAG, "addServiceResults " + origTarget + ", " + targets.size()
+ + " targets");
+ final float parentScore = getScore(origTarget);
+ Collections.sort(targets, mBaseTargetComparator);
+ float lastScore = 0;
+ for (int i = 0, N = targets.size(); i < N; i++) {
+ final ChooserTarget target = targets.get(i);
+ float targetScore = target.getScore();
+ targetScore *= parentScore;
+ targetScore *= mLateFee;
+ if (i > 0 && targetScore >= lastScore) {
+ // Apply a decay so that the top app can't crowd out everything else.
+ // This incents ChooserTargetServices to define what's truly better.
+ targetScore = lastScore * 0.95f;
+ }
+ insertServiceTarget(new ChooserTargetInfo(origTarget, target, targetScore));
+
+ if (DEBUG) {
+ Log.d(TAG, " => " + target.toString() + " score=" + targetScore
+ + " base=" + target.getScore()
+ + " lastScore=" + lastScore
+ + " parentScore=" + parentScore
+ + " lateFee=" + mLateFee);
+ }
+
+ lastScore = targetScore;
+ }
+
+ mLateFee *= 0.95f;
+
+ notifyDataSetChanged();
+ }
+
+ private void insertServiceTarget(ChooserTargetInfo chooserTargetInfo) {
+ final float newScore = chooserTargetInfo.getModifiedScore();
+ for (int i = 0, N = mServiceTargets.size(); i < N; i++) {
+ final ChooserTargetInfo serviceTarget = mServiceTargets.get(i);
+ if (newScore > serviceTarget.getModifiedScore()) {
+ mServiceTargets.add(i, chooserTargetInfo);
+ return;
+ }
+ }
+ mServiceTargets.add(chooserTargetInfo);
+ }
+
+ private void pruneServiceTargets() {
+ if (DEBUG) Log.d(TAG, "pruneServiceTargets");
+ for (int i = mServiceTargets.size() - 1; i >= 0; i--) {
+ final ChooserTargetInfo cti = mServiceTargets.get(i);
+ if (!hasResolvedTarget(cti.getResolveInfo())) {
+ if (DEBUG) Log.d(TAG, " => " + i + " " + cti);
+ mServiceTargets.remove(i);
+ }
+ }
+ }
+ }
+
+ static class BaseChooserTargetComparator implements Comparator<ChooserTarget> {
+ @Override
+ public int compare(ChooserTarget lhs, ChooserTarget rhs) {
+ // Descending order
+ return (int) Math.signum(rhs.getScore() - lhs.getScore());
+ }
+ }
+
+ static class RowScale {
+ private static final int DURATION = 400;
+
+ float mScale;
+ ChooserRowAdapter mAdapter;
+ private final ObjectAnimator mAnimator;
+
+ public static final FloatProperty<RowScale> PROPERTY =
+ new FloatProperty<RowScale>("scale") {
+ @Override
+ public void setValue(RowScale object, float value) {
+ object.mScale = value;
+ object.mAdapter.notifyDataSetChanged();
+ }
+
+ @Override
+ public Float get(RowScale object) {
+ return object.mScale;
+ }
+ };
+
+ public RowScale(@NonNull ChooserRowAdapter adapter, float from, float to) {
+ mAdapter = adapter;
+ mScale = from;
+ if (from == to) {
+ mAnimator = null;
+ return;
+ }
+
+ mAnimator = ObjectAnimator.ofFloat(this, PROPERTY, from, to).setDuration(DURATION);
+ }
+
+ public RowScale setInterpolator(Interpolator interpolator) {
+ if (mAnimator != null) {
+ mAnimator.setInterpolator(interpolator);
+ }
+ return this;
+ }
+
+ public float get() {
+ return mScale;
+ }
+
+ public void startAnimation() {
+ if (mAnimator != null) {
+ mAnimator.start();
+ }
+ }
+
+ public void cancelAnimation() {
+ if (mAnimator != null) {
+ mAnimator.cancel();
+ }
+ }
+ }
+
+ class ChooserRowAdapter extends BaseAdapter {
+ private ChooserListAdapter mChooserListAdapter;
+ private final LayoutInflater mLayoutInflater;
+ private final int mColumnCount = 4;
+ private RowScale[] mServiceTargetScale;
+ private final Interpolator mInterpolator;
+
+ public ChooserRowAdapter(ChooserListAdapter wrappedAdapter) {
+ mChooserListAdapter = wrappedAdapter;
+ mLayoutInflater = LayoutInflater.from(ChooserActivity.this);
+
+ mInterpolator = AnimationUtils.loadInterpolator(ChooserActivity.this,
+ android.R.interpolator.decelerate_quint);
+
+ wrappedAdapter.registerDataSetObserver(new DataSetObserver() {
+ @Override
+ public void onChanged() {
+ super.onChanged();
+ final int rcount = getServiceTargetRowCount();
+ if (mServiceTargetScale == null
+ || mServiceTargetScale.length != rcount) {
+ RowScale[] old = mServiceTargetScale;
+ int oldRCount = old != null ? old.length : 0;
+ mServiceTargetScale = new RowScale[rcount];
+ if (old != null && rcount > 0) {
+ System.arraycopy(old, 0, mServiceTargetScale, 0,
+ Math.min(old.length, rcount));
+ }
+
+ for (int i = rcount; i < oldRCount; i++) {
+ old[i].cancelAnimation();
+ }
+
+ for (int i = oldRCount; i < rcount; i++) {
+ final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f)
+ .setInterpolator(mInterpolator);
+ mServiceTargetScale[i] = rs;
+ }
+
+ // Start the animations in a separate loop.
+ // The process of starting animations will result in
+ // binding views to set up initial values, and we must
+ // have ALL of the new RowScale objects created above before
+ // we get started.
+ for (int i = oldRCount; i < rcount; i++) {
+ mServiceTargetScale[i].startAnimation();
+ }
+ }
+
+ notifyDataSetChanged();
+ }
+
+ @Override
+ public void onInvalidated() {
+ super.onInvalidated();
+ notifyDataSetInvalidated();
+ if (mServiceTargetScale != null) {
+ for (RowScale rs : mServiceTargetScale) {
+ rs.cancelAnimation();
+ }
+ }
+ }
+ });
+ }
+
+ private float getRowScale(int rowPosition) {
+ final int start = getCallerTargetRowCount();
+ final int end = start + getServiceTargetRowCount();
+ if (rowPosition >= start && rowPosition < end) {
+ return mServiceTargetScale[rowPosition - start].get();
+ }
+ return 1.f;
+ }
+
+ @Override
+ public int getCount() {
+ return (int) (
+ getCallerTargetRowCount()
+ + getServiceTargetRowCount()
+ + Math.ceil((float) mChooserListAdapter.getStandardTargetCount() / mColumnCount)
+ );
+ }
+
+ public int getCallerTargetRowCount() {
+ return (int) Math.ceil(
+ (float) mChooserListAdapter.getCallerTargetCount() / mColumnCount);
+ }
+
+ public int getServiceTargetRowCount() {
+ return (int) Math.ceil(
+ (float) mChooserListAdapter.getServiceTargetCount() / mColumnCount);
+ }
+
+ @Override
+ public Object getItem(int position) {
+ // We have nothing useful to return here.
+ return position;
+ }
+
+ @Override
+ public long getItemId(int position) {
+ return position;
+ }
+
+ @Override
+ public View getView(int position, View convertView, ViewGroup parent) {
+ final RowViewHolder holder;
+ if (convertView == null) {
+ holder = createViewHolder(parent);
+ } else {
+ holder = (RowViewHolder) convertView.getTag();
+ }
+ bindViewHolder(position, holder);
+
+ return holder.row;
+ }
+
+ RowViewHolder createViewHolder(ViewGroup parent) {
+ final ViewGroup row = (ViewGroup) mLayoutInflater.inflate(R.layout.chooser_row,
+ parent, false);
+ final RowViewHolder holder = new RowViewHolder(row, mColumnCount);
+ final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
+
+ for (int i = 0; i < mColumnCount; i++) {
+ final View v = mChooserListAdapter.createView(row);
+ final int column = i;
+ v.setOnClickListener(new OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ startSelected(holder.itemIndices[column], false, true);
+ }
+ });
+ v.setOnLongClickListener(new OnLongClickListener() {
+ @Override
+ public boolean onLongClick(View v) {
+ showAppDetails(
+ mChooserListAdapter.resolveInfoForPosition(
+ holder.itemIndices[column], true));
+ return true;
+ }
+ });
+ row.addView(v);
+ holder.cells[i] = v;
+
+ // Force height to be a given so we don't have visual disruption during scaling.
+ LayoutParams lp = v.getLayoutParams();
+ v.measure(spec, spec);
+ if (lp == null) {
+ lp = new LayoutParams(LayoutParams.MATCH_PARENT, v.getMeasuredHeight());
+ row.setLayoutParams(lp);
+ } else {
+ lp.height = v.getMeasuredHeight();
+ }
+ }
+
+ // Pre-measure so we can scale later.
+ holder.measure();
+ LayoutParams lp = row.getLayoutParams();
+ if (lp == null) {
+ lp = new LayoutParams(LayoutParams.MATCH_PARENT, holder.measuredRowHeight);
+ row.setLayoutParams(lp);
+ } else {
+ lp.height = holder.measuredRowHeight;
+ }
+ row.setTag(holder);
+ return holder;
+ }
+
+ void bindViewHolder(int rowPosition, RowViewHolder holder) {
+ final int start = getFirstRowPosition(rowPosition);
+ final int startType = mChooserListAdapter.getPositionTargetType(start);
+
+ int end = start + mColumnCount - 1;
+ while (mChooserListAdapter.getPositionTargetType(end) != startType && end >= start) {
+ end--;
+ }
+
+ if (startType == ChooserListAdapter.TARGET_SERVICE) {
+ holder.row.setBackgroundColor(
+ getColor(R.color.chooser_service_row_background_color));
+ } else {
+ holder.row.setBackgroundColor(Color.TRANSPARENT);
+ }
+
+ final int oldHeight = holder.row.getLayoutParams().height;
+ holder.row.getLayoutParams().height = Math.max(1,
+ (int) (holder.measuredRowHeight * getRowScale(rowPosition)));
+ if (holder.row.getLayoutParams().height != oldHeight) {
+ holder.row.requestLayout();
+ }
+
+ for (int i = 0; i < mColumnCount; i++) {
+ final View v = holder.cells[i];
+ if (start + i <= end) {
+ v.setVisibility(View.VISIBLE);
+ holder.itemIndices[i] = start + i;
+ mChooserListAdapter.bindView(holder.itemIndices[i], v);
+ } else {
+ v.setVisibility(View.GONE);
+ }
+ }
+ }
+
+ int getFirstRowPosition(int row) {
+ final int callerCount = mChooserListAdapter.getCallerTargetCount();
+ final int callerRows = (int) Math.ceil((float) callerCount / mColumnCount);
+
+ if (row < callerRows) {
+ return row * mColumnCount;
+ }
+
+ final int serviceCount = mChooserListAdapter.getServiceTargetCount();
+ final int serviceRows = (int) Math.ceil((float) serviceCount / mColumnCount);
+
+ if (row < callerRows + serviceRows) {
+ return callerCount + (row - callerRows) * mColumnCount;
+ }
+
+ return callerCount + serviceCount
+ + (row - callerRows - serviceRows) * mColumnCount;
+ }
+ }
+
+ static class RowViewHolder {
+ final View[] cells;
+ final ViewGroup row;
+ int measuredRowHeight;
+ int[] itemIndices;
+
+ public RowViewHolder(ViewGroup row, int cellCount) {
+ this.row = row;
+ this.cells = new View[cellCount];
+ this.itemIndices = new int[cellCount];
+ }
+
+ public void measure() {
+ final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
+ row.measure(spec, spec);
+ measuredRowHeight = row.getMeasuredHeight();
+ }
+ }
+
+ static class ChooserTargetServiceConnection implements ServiceConnection {
+ private final DisplayResolveInfo mOriginalTarget;
+ private ComponentName mConnectedComponent;
+ private ChooserActivity mChooserActivity;
+ private final Object mLock = new Object();
+
+ private final IChooserTargetResult mChooserTargetResult = new IChooserTargetResult.Stub() {
+ @Override
+ public void sendResult(List<ChooserTarget> targets) throws RemoteException {
+ synchronized (mLock) {
+ if (mChooserActivity == null) {
+ Log.e(TAG, "destroyed ChooserTargetServiceConnection received result from "
+ + mConnectedComponent + "; ignoring...");
+ return;
+ }
+ mChooserActivity.filterServiceTargets(
+ mOriginalTarget.getResolveInfo().activityInfo.packageName, targets);
+ final Message msg = Message.obtain();
+ msg.what = CHOOSER_TARGET_SERVICE_RESULT;
+ msg.obj = new ServiceResultInfo(mOriginalTarget, targets,
+ ChooserTargetServiceConnection.this);
+ mChooserActivity.mChooserHandler.sendMessage(msg);
+ }
+ }
+ };
+
+ public ChooserTargetServiceConnection(ChooserActivity chooserActivity,
+ DisplayResolveInfo dri) {
+ mChooserActivity = chooserActivity;
+ mOriginalTarget = dri;
+ }
+
+ @Override
+ public void onServiceConnected(ComponentName name, IBinder service) {
+ if (DEBUG) Log.d(TAG, "onServiceConnected: " + name);
+ synchronized (mLock) {
+ if (mChooserActivity == null) {
+ Log.e(TAG, "destroyed ChooserTargetServiceConnection got onServiceConnected");
+ return;
+ }
+
+ final IChooserTargetService icts = IChooserTargetService.Stub.asInterface(service);
+ try {
+ icts.getChooserTargets(mOriginalTarget.getResolvedComponentName(),
+ mOriginalTarget.getResolveInfo().filter, mChooserTargetResult);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Querying ChooserTargetService " + name + " failed.", e);
+ mChooserActivity.unbindService(this);
+ destroy();
+ mChooserActivity.mServiceConnections.remove(this);
+ }
+ }
+ }
+
+ @Override
+ public void onServiceDisconnected(ComponentName name) {
+ if (DEBUG) Log.d(TAG, "onServiceDisconnected: " + name);
+ synchronized (mLock) {
+ if (mChooserActivity == null) {
+ Log.e(TAG,
+ "destroyed ChooserTargetServiceConnection got onServiceDisconnected");
+ return;
+ }
+
+ mChooserActivity.unbindService(this);
+ destroy();
+ mChooserActivity.mServiceConnections.remove(this);
+ if (mChooserActivity.mServiceConnections.isEmpty()) {
+ mChooserActivity.mChooserHandler.removeMessages(
+ CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT);
+ mChooserActivity.sendVoiceChoicesIfNeeded();
+ }
+ mConnectedComponent = null;
+ }
+ }
+
+ public void destroy() {
+ synchronized (mLock) {
+ mChooserActivity = null;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "ChooserTargetServiceConnection{service="
+ + mConnectedComponent + ", activity="
+ + mOriginalTarget.getResolveInfo().activityInfo.toString() + "}";
+ }
+ }
+
+ static class ServiceResultInfo {
+ public final DisplayResolveInfo originalTarget;
+ public final List<ChooserTarget> resultTargets;
+ public final ChooserTargetServiceConnection connection;
+
+ public ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt,
+ ChooserTargetServiceConnection c) {
+ originalTarget = ot;
+ resultTargets = rt;
+ connection = c;
+ }
+ }
+
+ static class RefinementResultReceiver extends ResultReceiver {
+ private ChooserActivity mChooserActivity;
+ private TargetInfo mSelectedTarget;
+
+ public RefinementResultReceiver(ChooserActivity host, TargetInfo target,
+ Handler handler) {
+ super(handler);
+ mChooserActivity = host;
+ mSelectedTarget = target;
+ }
+
+ @Override
+ protected void onReceiveResult(int resultCode, Bundle resultData) {
+ if (mChooserActivity == null) {
+ Log.e(TAG, "Destroyed RefinementResultReceiver received a result");
+ return;
+ }
+ if (resultData == null) {
+ Log.e(TAG, "RefinementResultReceiver received null resultData");
+ return;
+ }
+
+ switch (resultCode) {
+ case RESULT_CANCELED:
+ mChooserActivity.onRefinementCanceled();
+ break;
+ case RESULT_OK:
+ Parcelable intentParcelable = resultData.getParcelable(Intent.EXTRA_INTENT);
+ if (intentParcelable instanceof Intent) {
+ mChooserActivity.onRefinementResult(mSelectedTarget,
+ (Intent) intentParcelable);
+ } else {
+ Log.e(TAG, "RefinementResultReceiver received RESULT_OK but no Intent"
+ + " in resultData with key Intent.EXTRA_INTENT");
+ }
+ break;
+ default:
+ Log.w(TAG, "Unknown result code " + resultCode
+ + " sent to RefinementResultReceiver");
+ break;
+ }
+ }
+
+ public void destroy() {
+ mChooserActivity = null;
+ mSelectedTarget = null;
+ }
+ }
+
+ class OffsetDataSetObserver extends DataSetObserver {
+ private final AbsListView mListView;
+ private int mCachedViewType = -1;
+ private View mCachedView;
+
+ public OffsetDataSetObserver(AbsListView listView) {
+ mListView = listView;
+ }
+
+ @Override
+ public void onChanged() {
+ if (mResolverDrawerLayout == null) {
+ return;
+ }
+
+ final int chooserTargetRows = mChooserRowAdapter.getServiceTargetRowCount();
+ int offset = 0;
+ for (int i = 0; i < chooserTargetRows; i++) {
+ final int pos = mChooserRowAdapter.getCallerTargetRowCount() + i;
+ final int vt = mChooserRowAdapter.getItemViewType(pos);
+ if (vt != mCachedViewType) {
+ mCachedView = null;
+ }
+ final View v = mChooserRowAdapter.getView(pos, mCachedView, mListView);
+ int height = ((RowViewHolder) (v.getTag())).measuredRowHeight;
+
+ offset += (int) (height * mChooserRowAdapter.getRowScale(pos));
+
+ if (vt >= 0) {
+ mCachedViewType = vt;
+ mCachedView = v;
+ } else {
+ mCachedViewType = -1;
+ }
+ }
+
+ mResolverDrawerLayout.setCollapsibleHeightReserved(offset);
+ }
+ }
}
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