1 /* 2 * Copyright (C) 2008 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.internal.app; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.animation.ObjectAnimator; 22 import android.annotation.NonNull; 23 import android.app.Activity; 24 import android.app.usage.UsageStatsManager; 25 import android.content.ComponentName; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.IntentSender; 29 import android.content.IntentSender.SendIntentException; 30 import android.content.ServiceConnection; 31 import android.content.SharedPreferences; 32 import android.content.pm.ActivityInfo; 33 import android.content.pm.LabeledIntent; 34 import android.content.pm.PackageManager; 35 import android.content.pm.PackageManager.NameNotFoundException; 36 import android.content.pm.ResolveInfo; 37 import android.database.DataSetObserver; 38 import android.graphics.Color; 39 import android.graphics.drawable.Drawable; 40 import android.graphics.drawable.Icon; 41 import android.os.Bundle; 42 import android.os.Environment; 43 import android.os.Handler; 44 import android.os.IBinder; 45 import android.os.Message; 46 import android.os.Parcelable; 47 import android.os.Process; 48 import android.os.RemoteException; 49 import android.os.ResultReceiver; 50 import android.os.UserHandle; 51 import android.os.UserManager; 52 import android.os.storage.StorageManager; 53 import android.service.chooser.ChooserTarget; 54 import android.service.chooser.ChooserTargetService; 55 import android.service.chooser.IChooserTargetResult; 56 import android.service.chooser.IChooserTargetService; 57 import android.text.TextUtils; 58 import android.util.FloatProperty; 59 import android.util.Log; 60 import android.util.Slog; 61 import android.view.LayoutInflater; 62 import android.view.View; 63 import android.view.View.MeasureSpec; 64 import android.view.View.OnClickListener; 65 import android.view.View.OnLongClickListener; 66 import android.view.ViewGroup; 67 import android.view.ViewGroup.LayoutParams; 68 import android.view.animation.AnimationUtils; 69 import android.view.animation.Interpolator; 70 import android.widget.AbsListView; 71 import android.widget.BaseAdapter; 72 import android.widget.ListView; 73 import com.android.internal.R; 74 import com.android.internal.annotations.VisibleForTesting; 75 import com.android.internal.app.ResolverActivity.TargetInfo; 76 import com.android.internal.logging.MetricsLogger; 77 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 78 import com.google.android.collect.Lists; 79 80 import java.io.File; 81 import java.util.ArrayList; 82 import java.util.Collections; 83 import java.util.Comparator; 84 import java.util.List; 85 86 public class ChooserActivity extends ResolverActivity { 87 private static final String TAG = "ChooserActivity"; 88 89 /** 90 * Boolean extra to change the following behavior: Normally, ChooserActivity finishes itself 91 * in onStop when launched in a new task. If this extra is set to true, we do not finish 92 * ourselves when onStop gets called. 93 */ 94 public static final String EXTRA_PRIVATE_RETAIN_IN_ON_STOP 95 = "com.android.internal.app.ChooserActivity.EXTRA_PRIVATE_RETAIN_IN_ON_STOP"; 96 97 private static final boolean DEBUG = false; 98 99 private static final int QUERY_TARGET_SERVICE_LIMIT = 5; 100 private static final int WATCHDOG_TIMEOUT_MILLIS = 5000; 101 102 private Bundle mReplacementExtras; 103 private IntentSender mChosenComponentSender; 104 private IntentSender mRefinementIntentSender; 105 private RefinementResultReceiver mRefinementResultReceiver; 106 private ChooserTarget[] mCallerChooserTargets; 107 private ComponentName[] mFilteredComponentNames; 108 109 private Intent mReferrerFillInIntent; 110 111 private long mChooserShownTime; 112 protected boolean mIsSuccessfullySelected; 113 114 private ChooserListAdapter mChooserListAdapter; 115 private ChooserRowAdapter mChooserRowAdapter; 116 117 private SharedPreferences mPinnedSharedPrefs; 118 private static final float PINNED_TARGET_SCORE_BOOST = 1000.f; 119 private static final float CALLER_TARGET_SCORE_BOOST = 900.f; 120 private static final String PINNED_SHARED_PREFS_NAME = "chooser_pin_settings"; 121 private static final String TARGET_DETAILS_FRAGMENT_TAG = "targetDetailsFragment"; 122 123 private final List<ChooserTargetServiceConnection> mServiceConnections = new ArrayList<>(); 124 125 private static final int CHOOSER_TARGET_SERVICE_RESULT = 1; 126 private static final int CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT = 2; 127 128 private final Handler mChooserHandler = new Handler() { 129 @Override 130 public void handleMessage(Message msg) { 131 switch (msg.what) { 132 case CHOOSER_TARGET_SERVICE_RESULT: 133 if (DEBUG) Log.d(TAG, "CHOOSER_TARGET_SERVICE_RESULT"); 134 if (isDestroyed()) break; 135 final ServiceResultInfo sri = (ServiceResultInfo) msg.obj; 136 if (!mServiceConnections.contains(sri.connection)) { 137 Log.w(TAG, "ChooserTargetServiceConnection " + sri.connection 138 + " returned after being removed from active connections." 139 + " Have you considered returning results faster?"); 140 break; 141 } 142 if (sri.resultTargets != null) { 143 mChooserListAdapter.addServiceResults(sri.originalTarget, 144 sri.resultTargets); 145 } 146 unbindService(sri.connection); 147 sri.connection.destroy(); 148 mServiceConnections.remove(sri.connection); 149 if (mServiceConnections.isEmpty()) { 150 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 151 sendVoiceChoicesIfNeeded(); 152 mChooserListAdapter.setShowServiceTargets(true); 153 } 154 break; 155 156 case CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT: 157 if (DEBUG) { 158 Log.d(TAG, "CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT; unbinding services"); 159 } 160 unbindRemainingServices(); 161 sendVoiceChoicesIfNeeded(); 162 mChooserListAdapter.setShowServiceTargets(true); 163 break; 164 165 default: 166 super.handleMessage(msg); 167 } 168 } 169 }; 170 171 @Override onCreate(Bundle savedInstanceState)172 protected void onCreate(Bundle savedInstanceState) { 173 final long intentReceivedTime = System.currentTimeMillis(); 174 mIsSuccessfullySelected = false; 175 Intent intent = getIntent(); 176 Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT); 177 if (!(targetParcelable instanceof Intent)) { 178 Log.w("ChooserActivity", "Target is not an intent: " + targetParcelable); 179 finish(); 180 super.onCreate(null); 181 return; 182 } 183 Intent target = (Intent) targetParcelable; 184 if (target != null) { 185 modifyTargetIntent(target); 186 } 187 Parcelable[] targetsParcelable 188 = intent.getParcelableArrayExtra(Intent.EXTRA_ALTERNATE_INTENTS); 189 if (targetsParcelable != null) { 190 final boolean offset = target == null; 191 Intent[] additionalTargets = 192 new Intent[offset ? targetsParcelable.length - 1 : targetsParcelable.length]; 193 for (int i = 0; i < targetsParcelable.length; i++) { 194 if (!(targetsParcelable[i] instanceof Intent)) { 195 Log.w(TAG, "EXTRA_ALTERNATE_INTENTS array entry #" + i + " is not an Intent: " 196 + targetsParcelable[i]); 197 finish(); 198 super.onCreate(null); 199 return; 200 } 201 final Intent additionalTarget = (Intent) targetsParcelable[i]; 202 if (i == 0 && target == null) { 203 target = additionalTarget; 204 modifyTargetIntent(target); 205 } else { 206 additionalTargets[offset ? i - 1 : i] = additionalTarget; 207 modifyTargetIntent(additionalTarget); 208 } 209 } 210 setAdditionalTargets(additionalTargets); 211 } 212 213 mReplacementExtras = intent.getBundleExtra(Intent.EXTRA_REPLACEMENT_EXTRAS); 214 CharSequence title = intent.getCharSequenceExtra(Intent.EXTRA_TITLE); 215 int defaultTitleRes = 0; 216 if (title == null) { 217 defaultTitleRes = com.android.internal.R.string.chooseActivity; 218 } 219 Parcelable[] pa = intent.getParcelableArrayExtra(Intent.EXTRA_INITIAL_INTENTS); 220 Intent[] initialIntents = null; 221 if (pa != null) { 222 initialIntents = new Intent[pa.length]; 223 for (int i=0; i<pa.length; i++) { 224 if (!(pa[i] instanceof Intent)) { 225 Log.w(TAG, "Initial intent #" + i + " not an Intent: " + pa[i]); 226 finish(); 227 super.onCreate(null); 228 return; 229 } 230 final Intent in = (Intent) pa[i]; 231 modifyTargetIntent(in); 232 initialIntents[i] = in; 233 } 234 } 235 236 mReferrerFillInIntent = new Intent().putExtra(Intent.EXTRA_REFERRER, getReferrer()); 237 238 mChosenComponentSender = intent.getParcelableExtra( 239 Intent.EXTRA_CHOSEN_COMPONENT_INTENT_SENDER); 240 mRefinementIntentSender = intent.getParcelableExtra( 241 Intent.EXTRA_CHOOSER_REFINEMENT_INTENT_SENDER); 242 setSafeForwardingMode(true); 243 244 pa = intent.getParcelableArrayExtra(Intent.EXTRA_EXCLUDE_COMPONENTS); 245 if (pa != null) { 246 ComponentName[] names = new ComponentName[pa.length]; 247 for (int i = 0; i < pa.length; i++) { 248 if (!(pa[i] instanceof ComponentName)) { 249 Log.w(TAG, "Filtered component #" + i + " not a ComponentName: " + pa[i]); 250 names = null; 251 break; 252 } 253 names[i] = (ComponentName) pa[i]; 254 } 255 mFilteredComponentNames = names; 256 } 257 258 pa = intent.getParcelableArrayExtra(Intent.EXTRA_CHOOSER_TARGETS); 259 if (pa != null) { 260 ChooserTarget[] targets = new ChooserTarget[pa.length]; 261 for (int i = 0; i < pa.length; i++) { 262 if (!(pa[i] instanceof ChooserTarget)) { 263 Log.w(TAG, "Chooser target #" + i + " not a ChooserTarget: " + pa[i]); 264 targets = null; 265 break; 266 } 267 targets[i] = (ChooserTarget) pa[i]; 268 } 269 mCallerChooserTargets = targets; 270 } 271 272 mPinnedSharedPrefs = getPinnedSharedPrefs(this); 273 setRetainInOnStop(intent.getBooleanExtra(EXTRA_PRIVATE_RETAIN_IN_ON_STOP, false)); 274 super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents, 275 null, false); 276 277 MetricsLogger.action(this, MetricsEvent.ACTION_ACTIVITY_CHOOSER_SHOWN); 278 279 mChooserShownTime = System.currentTimeMillis(); 280 final long systemCost = mChooserShownTime - intentReceivedTime; 281 MetricsLogger.histogram(null, "system_cost_for_smart_sharing", (int) systemCost); 282 if (DEBUG) { 283 Log.d(TAG, "System Time Cost is " + systemCost); 284 } 285 } 286 getPinnedSharedPrefs(Context context)287 static SharedPreferences getPinnedSharedPrefs(Context context) { 288 // The code below is because in the android:ui process, no one can hear you scream. 289 // The package info in the context isn't initialized in the way it is for normal apps, 290 // so the standard, name-based context.getSharedPreferences doesn't work. Instead, we 291 // build the path manually below using the same policy that appears in ContextImpl. 292 // This fails silently under the hood if there's a problem, so if we find ourselves in 293 // the case where we don't have access to credential encrypted storage we just won't 294 // have our pinned target info. 295 final File prefsFile = new File(new File( 296 Environment.getDataUserCePackageDirectory(StorageManager.UUID_PRIVATE_INTERNAL, 297 context.getUserId(), context.getPackageName()), 298 "shared_prefs"), 299 PINNED_SHARED_PREFS_NAME + ".xml"); 300 return context.getSharedPreferences(prefsFile, MODE_PRIVATE); 301 } 302 303 @Override onDestroy()304 protected void onDestroy() { 305 super.onDestroy(); 306 if (mRefinementResultReceiver != null) { 307 mRefinementResultReceiver.destroy(); 308 mRefinementResultReceiver = null; 309 } 310 unbindRemainingServices(); 311 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_RESULT); 312 } 313 314 @Override getReplacementIntent(ActivityInfo aInfo, Intent defIntent)315 public Intent getReplacementIntent(ActivityInfo aInfo, Intent defIntent) { 316 Intent result = defIntent; 317 if (mReplacementExtras != null) { 318 final Bundle replExtras = mReplacementExtras.getBundle(aInfo.packageName); 319 if (replExtras != null) { 320 result = new Intent(defIntent); 321 result.putExtras(replExtras); 322 } 323 } 324 if (aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_PARENT) 325 || aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE)) { 326 result = Intent.createChooser(result, 327 getIntent().getCharSequenceExtra(Intent.EXTRA_TITLE)); 328 329 // Don't auto-launch single intents if the intent is being forwarded. This is done 330 // because automatically launching a resolving application as a response to the user 331 // action of switching accounts is pretty unexpected. 332 result.putExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, false); 333 } 334 return result; 335 } 336 337 @Override onActivityStarted(TargetInfo cti)338 public void onActivityStarted(TargetInfo cti) { 339 if (mChosenComponentSender != null) { 340 final ComponentName target = cti.getResolvedComponentName(); 341 if (target != null) { 342 final Intent fillIn = new Intent().putExtra(Intent.EXTRA_CHOSEN_COMPONENT, target); 343 try { 344 mChosenComponentSender.sendIntent(this, Activity.RESULT_OK, fillIn, null, null); 345 } catch (IntentSender.SendIntentException e) { 346 Slog.e(TAG, "Unable to launch supplied IntentSender to report " 347 + "the chosen component: " + e); 348 } 349 } 350 } 351 } 352 353 @Override onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter)354 public void onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter) { 355 final ListView listView = adapterView instanceof ListView ? (ListView) adapterView : null; 356 mChooserListAdapter = (ChooserListAdapter) adapter; 357 if (mCallerChooserTargets != null && mCallerChooserTargets.length > 0) { 358 mChooserListAdapter.addServiceResults(null, Lists.newArrayList(mCallerChooserTargets)); 359 } 360 mChooserRowAdapter = new ChooserRowAdapter(mChooserListAdapter); 361 mChooserRowAdapter.registerDataSetObserver(new OffsetDataSetObserver(adapterView)); 362 adapterView.setAdapter(mChooserRowAdapter); 363 if (listView != null) { 364 listView.setItemsCanFocus(true); 365 } 366 } 367 368 @Override getLayoutResource()369 public int getLayoutResource() { 370 return R.layout.chooser_grid; 371 } 372 373 @Override shouldGetActivityMetadata()374 public boolean shouldGetActivityMetadata() { 375 return true; 376 } 377 378 @Override shouldAutoLaunchSingleChoice(TargetInfo target)379 public boolean shouldAutoLaunchSingleChoice(TargetInfo target) { 380 // Note that this is only safe because the Intent handled by the ChooserActivity is 381 // guaranteed to contain no extras unknown to the local ClassLoader. That is why this 382 // method can not be replaced in the ResolverActivity whole hog. 383 return getIntent().getBooleanExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, 384 super.shouldAutoLaunchSingleChoice(target)); 385 } 386 387 @Override showTargetDetails(ResolveInfo ri)388 public void showTargetDetails(ResolveInfo ri) { 389 ComponentName name = ri.activityInfo.getComponentName(); 390 boolean pinned = mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 391 ResolverTargetActionsDialogFragment f = 392 new ResolverTargetActionsDialogFragment(ri.loadLabel(getPackageManager()), 393 name, pinned); 394 f.show(getFragmentManager(), TARGET_DETAILS_FRAGMENT_TAG); 395 } 396 modifyTargetIntent(Intent in)397 private void modifyTargetIntent(Intent in) { 398 final String action = in.getAction(); 399 if (Intent.ACTION_SEND.equals(action) || 400 Intent.ACTION_SEND_MULTIPLE.equals(action)) { 401 in.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | 402 Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 403 } 404 } 405 406 @Override onTargetSelected(TargetInfo target, boolean alwaysCheck)407 protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) { 408 if (mRefinementIntentSender != null) { 409 final Intent fillIn = new Intent(); 410 final List<Intent> sourceIntents = target.getAllSourceIntents(); 411 if (!sourceIntents.isEmpty()) { 412 fillIn.putExtra(Intent.EXTRA_INTENT, sourceIntents.get(0)); 413 if (sourceIntents.size() > 1) { 414 final Intent[] alts = new Intent[sourceIntents.size() - 1]; 415 for (int i = 1, N = sourceIntents.size(); i < N; i++) { 416 alts[i - 1] = sourceIntents.get(i); 417 } 418 fillIn.putExtra(Intent.EXTRA_ALTERNATE_INTENTS, alts); 419 } 420 if (mRefinementResultReceiver != null) { 421 mRefinementResultReceiver.destroy(); 422 } 423 mRefinementResultReceiver = new RefinementResultReceiver(this, target, null); 424 fillIn.putExtra(Intent.EXTRA_RESULT_RECEIVER, 425 mRefinementResultReceiver); 426 try { 427 mRefinementIntentSender.sendIntent(this, 0, fillIn, null, null); 428 return false; 429 } catch (SendIntentException e) { 430 Log.e(TAG, "Refinement IntentSender failed to send", e); 431 } 432 } 433 } 434 updateModelAndChooserCounts(target); 435 return super.onTargetSelected(target, alwaysCheck); 436 } 437 438 @Override startSelected(int which, boolean always, boolean filtered)439 public void startSelected(int which, boolean always, boolean filtered) { 440 final long selectionCost = System.currentTimeMillis() - mChooserShownTime; 441 super.startSelected(which, always, filtered); 442 443 if (mChooserListAdapter != null) { 444 // Log the index of which type of target the user picked. 445 // Lower values mean the ranking was better. 446 int cat = 0; 447 int value = which; 448 switch (mChooserListAdapter.getPositionTargetType(which)) { 449 case ChooserListAdapter.TARGET_CALLER: 450 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET; 451 break; 452 case ChooserListAdapter.TARGET_SERVICE: 453 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET; 454 value -= mChooserListAdapter.getCallerTargetCount(); 455 break; 456 case ChooserListAdapter.TARGET_STANDARD: 457 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET; 458 value -= mChooserListAdapter.getCallerTargetCount() 459 + mChooserListAdapter.getServiceTargetCount(); 460 break; 461 } 462 463 if (cat != 0) { 464 MetricsLogger.action(this, cat, value); 465 } 466 467 if (mIsSuccessfullySelected) { 468 if (DEBUG) { 469 Log.d(TAG, "User Selection Time Cost is " + selectionCost); 470 Log.d(TAG, "position of selected app/service/caller is " + 471 Integer.toString(value)); 472 } 473 MetricsLogger.histogram(null, "user_selection_cost_for_smart_sharing", 474 (int) selectionCost); 475 MetricsLogger.histogram(null, "app_position_for_smart_sharing", value); 476 } 477 } 478 } 479 queryTargetServices(ChooserListAdapter adapter)480 void queryTargetServices(ChooserListAdapter adapter) { 481 final PackageManager pm = getPackageManager(); 482 int targetsToQuery = 0; 483 for (int i = 0, N = adapter.getDisplayResolveInfoCount(); i < N; i++) { 484 final DisplayResolveInfo dri = adapter.getDisplayResolveInfo(i); 485 if (adapter.getScore(dri) == 0) { 486 // A score of 0 means the app hasn't been used in some time; 487 // don't query it as it's not likely to be relevant. 488 continue; 489 } 490 final ActivityInfo ai = dri.getResolveInfo().activityInfo; 491 final Bundle md = ai.metaData; 492 final String serviceName = md != null ? convertServiceName(ai.packageName, 493 md.getString(ChooserTargetService.META_DATA_NAME)) : null; 494 if (serviceName != null) { 495 final ComponentName serviceComponent = new ComponentName( 496 ai.packageName, serviceName); 497 final Intent serviceIntent = new Intent(ChooserTargetService.SERVICE_INTERFACE) 498 .setComponent(serviceComponent); 499 500 if (DEBUG) { 501 Log.d(TAG, "queryTargets found target with service " + serviceComponent); 502 } 503 504 try { 505 final String perm = pm.getServiceInfo(serviceComponent, 0).permission; 506 if (!ChooserTargetService.BIND_PERMISSION.equals(perm)) { 507 Log.w(TAG, "ChooserTargetService " + serviceComponent + " does not require" 508 + " permission " + ChooserTargetService.BIND_PERMISSION 509 + " - this service will not be queried for ChooserTargets." 510 + " add android:permission=\"" 511 + ChooserTargetService.BIND_PERMISSION + "\"" 512 + " to the <service> tag for " + serviceComponent 513 + " in the manifest."); 514 continue; 515 } 516 } catch (NameNotFoundException e) { 517 Log.e(TAG, "Could not look up service " + serviceComponent 518 + "; component name not found"); 519 continue; 520 } 521 522 final ChooserTargetServiceConnection conn = 523 new ChooserTargetServiceConnection(this, dri); 524 525 // Explicitly specify Process.myUserHandle instead of calling bindService 526 // to avoid the warning from calling from the system process without an explicit 527 // user handle 528 if (bindServiceAsUser(serviceIntent, conn, BIND_AUTO_CREATE | BIND_NOT_FOREGROUND, 529 Process.myUserHandle())) { 530 if (DEBUG) { 531 Log.d(TAG, "Binding service connection for target " + dri 532 + " intent " + serviceIntent); 533 } 534 mServiceConnections.add(conn); 535 targetsToQuery++; 536 } 537 } 538 if (targetsToQuery >= QUERY_TARGET_SERVICE_LIMIT) { 539 if (DEBUG) Log.d(TAG, "queryTargets hit query target limit " 540 + QUERY_TARGET_SERVICE_LIMIT); 541 break; 542 } 543 } 544 545 if (!mServiceConnections.isEmpty()) { 546 if (DEBUG) Log.d(TAG, "queryTargets setting watchdog timer for " 547 + WATCHDOG_TIMEOUT_MILLIS + "ms"); 548 mChooserHandler.sendEmptyMessageDelayed(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT, 549 WATCHDOG_TIMEOUT_MILLIS); 550 } else { 551 sendVoiceChoicesIfNeeded(); 552 } 553 } 554 convertServiceName(String packageName, String serviceName)555 private String convertServiceName(String packageName, String serviceName) { 556 if (TextUtils.isEmpty(serviceName)) { 557 return null; 558 } 559 560 final String fullName; 561 if (serviceName.startsWith(".")) { 562 // Relative to the app package. Prepend the app package name. 563 fullName = packageName + serviceName; 564 } else if (serviceName.indexOf('.') >= 0) { 565 // Fully qualified package name. 566 fullName = serviceName; 567 } else { 568 fullName = null; 569 } 570 return fullName; 571 } 572 unbindRemainingServices()573 void unbindRemainingServices() { 574 if (DEBUG) { 575 Log.d(TAG, "unbindRemainingServices, " + mServiceConnections.size() + " left"); 576 } 577 for (int i = 0, N = mServiceConnections.size(); i < N; i++) { 578 final ChooserTargetServiceConnection conn = mServiceConnections.get(i); 579 if (DEBUG) Log.d(TAG, "unbinding " + conn); 580 unbindService(conn); 581 conn.destroy(); 582 } 583 mServiceConnections.clear(); 584 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 585 } 586 onSetupVoiceInteraction()587 public void onSetupVoiceInteraction() { 588 // Do nothing. We'll send the voice stuff ourselves. 589 } 590 updateModelAndChooserCounts(TargetInfo info)591 void updateModelAndChooserCounts(TargetInfo info) { 592 if (info != null) { 593 final ResolveInfo ri = info.getResolveInfo(); 594 Intent targetIntent = getTargetIntent(); 595 if (ri != null && ri.activityInfo != null && targetIntent != null) { 596 if (mAdapter != null) { 597 mAdapter.updateModel(info.getResolvedComponentName()); 598 mAdapter.updateChooserCounts(ri.activityInfo.packageName, getUserId(), 599 targetIntent.getAction()); 600 } 601 if (DEBUG) { 602 Log.d(TAG, "ResolveInfo Package is " + ri.activityInfo.packageName); 603 Log.d(TAG, "Action to be updated is " + targetIntent.getAction()); 604 } 605 } else if(DEBUG) { 606 Log.d(TAG, "Can not log Chooser Counts of null ResovleInfo"); 607 } 608 } 609 mIsSuccessfullySelected = true; 610 } 611 onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent)612 void onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent) { 613 if (mRefinementResultReceiver != null) { 614 mRefinementResultReceiver.destroy(); 615 mRefinementResultReceiver = null; 616 } 617 if (selectedTarget == null) { 618 Log.e(TAG, "Refinement result intent did not match any known targets; canceling"); 619 } else if (!checkTargetSourceIntent(selectedTarget, matchingIntent)) { 620 Log.e(TAG, "onRefinementResult: Selected target " + selectedTarget 621 + " cannot match refined source intent " + matchingIntent); 622 } else { 623 TargetInfo clonedTarget = selectedTarget.cloneFilledIn(matchingIntent, 0); 624 if (super.onTargetSelected(clonedTarget, false)) { 625 updateModelAndChooserCounts(clonedTarget); 626 finish(); 627 return; 628 } 629 } 630 onRefinementCanceled(); 631 } 632 onRefinementCanceled()633 void onRefinementCanceled() { 634 if (mRefinementResultReceiver != null) { 635 mRefinementResultReceiver.destroy(); 636 mRefinementResultReceiver = null; 637 } 638 finish(); 639 } 640 checkTargetSourceIntent(TargetInfo target, Intent matchingIntent)641 boolean checkTargetSourceIntent(TargetInfo target, Intent matchingIntent) { 642 final List<Intent> targetIntents = target.getAllSourceIntents(); 643 for (int i = 0, N = targetIntents.size(); i < N; i++) { 644 final Intent targetIntent = targetIntents.get(i); 645 if (targetIntent.filterEquals(matchingIntent)) { 646 return true; 647 } 648 } 649 return false; 650 } 651 filterServiceTargets(String packageName, List<ChooserTarget> targets)652 void filterServiceTargets(String packageName, List<ChooserTarget> targets) { 653 if (targets == null) { 654 return; 655 } 656 657 final PackageManager pm = getPackageManager(); 658 for (int i = targets.size() - 1; i >= 0; i--) { 659 final ChooserTarget target = targets.get(i); 660 final ComponentName targetName = target.getComponentName(); 661 if (packageName != null && packageName.equals(targetName.getPackageName())) { 662 // Anything from the original target's package is fine. 663 continue; 664 } 665 666 boolean remove; 667 try { 668 final ActivityInfo ai = pm.getActivityInfo(targetName, 0); 669 remove = !ai.exported || ai.permission != null; 670 } catch (NameNotFoundException e) { 671 Log.e(TAG, "Target " + target + " returned by " + packageName 672 + " component not found"); 673 remove = true; 674 } 675 676 if (remove) { 677 targets.remove(i); 678 } 679 } 680 } 681 682 public class ChooserListController extends ResolverListController { ChooserListController(Context context, PackageManager pm, Intent targetIntent, String referrerPackageName, int launchedFromUid)683 public ChooserListController(Context context, 684 PackageManager pm, 685 Intent targetIntent, 686 String referrerPackageName, 687 int launchedFromUid) { 688 super(context, pm, targetIntent, referrerPackageName, launchedFromUid); 689 } 690 691 @Override isComponentPinned(ComponentName name)692 boolean isComponentPinned(ComponentName name) { 693 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 694 } 695 696 @Override isComponentFiltered(ComponentName name)697 boolean isComponentFiltered(ComponentName name) { 698 if (mFilteredComponentNames == null) { 699 return false; 700 } 701 for (ComponentName filteredComponentName : mFilteredComponentNames) { 702 if (name.equals(filteredComponentName)) { 703 return true; 704 } 705 } 706 return false; 707 } 708 709 @Override getScore(DisplayResolveInfo target)710 public float getScore(DisplayResolveInfo target) { 711 if (target == null) { 712 return CALLER_TARGET_SCORE_BOOST; 713 } 714 float score = super.getScore(target); 715 if (target.isPinned()) { 716 score += PINNED_TARGET_SCORE_BOOST; 717 } 718 return score; 719 } 720 } 721 722 @Override createAdapter(Context context, List<Intent> payloadIntents, Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, boolean filterLastUsed)723 public ResolveListAdapter createAdapter(Context context, List<Intent> payloadIntents, 724 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 725 boolean filterLastUsed) { 726 final ChooserListAdapter adapter = new ChooserListAdapter(context, payloadIntents, 727 initialIntents, rList, launchedFromUid, filterLastUsed, createListController()); 728 return adapter; 729 } 730 731 @VisibleForTesting createListController()732 protected ResolverListController createListController() { 733 return new ChooserListController( 734 this, 735 mPm, 736 getTargetIntent(), 737 getReferrerPackageName(), 738 mLaunchedFromUid); 739 } 740 741 final class ChooserTargetInfo implements TargetInfo { 742 private final DisplayResolveInfo mSourceInfo; 743 private final ResolveInfo mBackupResolveInfo; 744 private final ChooserTarget mChooserTarget; 745 private Drawable mBadgeIcon = null; 746 private CharSequence mBadgeContentDescription; 747 private Drawable mDisplayIcon; 748 private final Intent mFillInIntent; 749 private final int mFillInFlags; 750 private final float mModifiedScore; 751 ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget, float modifiedScore)752 public ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget, 753 float modifiedScore) { 754 mSourceInfo = sourceInfo; 755 mChooserTarget = chooserTarget; 756 mModifiedScore = modifiedScore; 757 if (sourceInfo != null) { 758 final ResolveInfo ri = sourceInfo.getResolveInfo(); 759 if (ri != null) { 760 final ActivityInfo ai = ri.activityInfo; 761 if (ai != null && ai.applicationInfo != null) { 762 final PackageManager pm = getPackageManager(); 763 mBadgeIcon = pm.getApplicationIcon(ai.applicationInfo); 764 mBadgeContentDescription = pm.getApplicationLabel(ai.applicationInfo); 765 } 766 } 767 } 768 final Icon icon = chooserTarget.getIcon(); 769 // TODO do this in the background 770 mDisplayIcon = icon != null ? icon.loadDrawable(ChooserActivity.this) : null; 771 772 if (sourceInfo != null) { 773 mBackupResolveInfo = null; 774 } else { 775 mBackupResolveInfo = getPackageManager().resolveActivity(getResolvedIntent(), 0); 776 } 777 778 mFillInIntent = null; 779 mFillInFlags = 0; 780 } 781 ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags)782 private ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags) { 783 mSourceInfo = other.mSourceInfo; 784 mBackupResolveInfo = other.mBackupResolveInfo; 785 mChooserTarget = other.mChooserTarget; 786 mBadgeIcon = other.mBadgeIcon; 787 mBadgeContentDescription = other.mBadgeContentDescription; 788 mDisplayIcon = other.mDisplayIcon; 789 mFillInIntent = fillInIntent; 790 mFillInFlags = flags; 791 mModifiedScore = other.mModifiedScore; 792 } 793 getModifiedScore()794 public float getModifiedScore() { 795 return mModifiedScore; 796 } 797 798 @Override getResolvedIntent()799 public Intent getResolvedIntent() { 800 if (mSourceInfo != null) { 801 return mSourceInfo.getResolvedIntent(); 802 } 803 804 final Intent targetIntent = new Intent(getTargetIntent()); 805 targetIntent.setComponent(mChooserTarget.getComponentName()); 806 targetIntent.putExtras(mChooserTarget.getIntentExtras()); 807 return targetIntent; 808 } 809 810 @Override getResolvedComponentName()811 public ComponentName getResolvedComponentName() { 812 if (mSourceInfo != null) { 813 return mSourceInfo.getResolvedComponentName(); 814 } else if (mBackupResolveInfo != null) { 815 return new ComponentName(mBackupResolveInfo.activityInfo.packageName, 816 mBackupResolveInfo.activityInfo.name); 817 } 818 return null; 819 } 820 getBaseIntentToSend()821 private Intent getBaseIntentToSend() { 822 Intent result = getResolvedIntent(); 823 if (result == null) { 824 Log.e(TAG, "ChooserTargetInfo: no base intent available to send"); 825 } else { 826 result = new Intent(result); 827 if (mFillInIntent != null) { 828 result.fillIn(mFillInIntent, mFillInFlags); 829 } 830 result.fillIn(mReferrerFillInIntent, 0); 831 } 832 return result; 833 } 834 835 @Override start(Activity activity, Bundle options)836 public boolean start(Activity activity, Bundle options) { 837 throw new RuntimeException("ChooserTargets should be started as caller."); 838 } 839 840 @Override startAsCaller(Activity activity, Bundle options, int userId)841 public boolean startAsCaller(Activity activity, Bundle options, int userId) { 842 final Intent intent = getBaseIntentToSend(); 843 if (intent == null) { 844 return false; 845 } 846 intent.setComponent(mChooserTarget.getComponentName()); 847 intent.putExtras(mChooserTarget.getIntentExtras()); 848 849 // Important: we will ignore the target security checks in ActivityManager 850 // if and only if the ChooserTarget's target package is the same package 851 // where we got the ChooserTargetService that provided it. This lets a 852 // ChooserTargetService provide a non-exported or permission-guarded target 853 // to the chooser for the user to pick. 854 // 855 // If mSourceInfo is null, we got this ChooserTarget from the caller or elsewhere 856 // so we'll obey the caller's normal security checks. 857 final boolean ignoreTargetSecurity = mSourceInfo != null 858 && mSourceInfo.getResolvedComponentName().getPackageName() 859 .equals(mChooserTarget.getComponentName().getPackageName()); 860 activity.startActivityAsCaller(intent, options, ignoreTargetSecurity, userId); 861 return true; 862 } 863 864 @Override startAsUser(Activity activity, Bundle options, UserHandle user)865 public boolean startAsUser(Activity activity, Bundle options, UserHandle user) { 866 throw new RuntimeException("ChooserTargets should be started as caller."); 867 } 868 869 @Override getResolveInfo()870 public ResolveInfo getResolveInfo() { 871 return mSourceInfo != null ? mSourceInfo.getResolveInfo() : mBackupResolveInfo; 872 } 873 874 @Override getDisplayLabel()875 public CharSequence getDisplayLabel() { 876 return mChooserTarget.getTitle(); 877 } 878 879 @Override getExtendedInfo()880 public CharSequence getExtendedInfo() { 881 // ChooserTargets have badge icons, so we won't show the extended info to disambiguate. 882 return null; 883 } 884 885 @Override getDisplayIcon()886 public Drawable getDisplayIcon() { 887 return mDisplayIcon; 888 } 889 890 @Override getBadgeIcon()891 public Drawable getBadgeIcon() { 892 return mBadgeIcon; 893 } 894 895 @Override getBadgeContentDescription()896 public CharSequence getBadgeContentDescription() { 897 return mBadgeContentDescription; 898 } 899 900 @Override cloneFilledIn(Intent fillInIntent, int flags)901 public TargetInfo cloneFilledIn(Intent fillInIntent, int flags) { 902 return new ChooserTargetInfo(this, fillInIntent, flags); 903 } 904 905 @Override getAllSourceIntents()906 public List<Intent> getAllSourceIntents() { 907 final List<Intent> results = new ArrayList<>(); 908 if (mSourceInfo != null) { 909 // We only queried the service for the first one in our sourceinfo. 910 results.add(mSourceInfo.getAllSourceIntents().get(0)); 911 } 912 return results; 913 } 914 915 @Override isPinned()916 public boolean isPinned() { 917 return mSourceInfo != null ? mSourceInfo.isPinned() : false; 918 } 919 } 920 921 public class ChooserListAdapter extends ResolveListAdapter { 922 public static final int TARGET_BAD = -1; 923 public static final int TARGET_CALLER = 0; 924 public static final int TARGET_SERVICE = 1; 925 public static final int TARGET_STANDARD = 2; 926 927 private static final int MAX_SERVICE_TARGETS = 8; 928 private static final int MAX_TARGETS_PER_SERVICE = 4; 929 930 private final List<ChooserTargetInfo> mServiceTargets = new ArrayList<>(); 931 private final List<TargetInfo> mCallerTargets = new ArrayList<>(); 932 private boolean mShowServiceTargets; 933 934 private float mLateFee = 1.f; 935 936 private final BaseChooserTargetComparator mBaseTargetComparator 937 = new BaseChooserTargetComparator(); 938 ChooserListAdapter(Context context, List<Intent> payloadIntents, Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, boolean filterLastUsed, ResolverListController resolverListController)939 public ChooserListAdapter(Context context, List<Intent> payloadIntents, 940 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 941 boolean filterLastUsed, ResolverListController resolverListController) { 942 // Don't send the initial intents through the shared ResolverActivity path, 943 // we want to separate them into a different section. 944 super(context, payloadIntents, null, rList, launchedFromUid, filterLastUsed, 945 resolverListController); 946 947 if (initialIntents != null) { 948 final PackageManager pm = getPackageManager(); 949 for (int i = 0; i < initialIntents.length; i++) { 950 final Intent ii = initialIntents[i]; 951 if (ii == null) { 952 continue; 953 } 954 955 // We reimplement Intent#resolveActivityInfo here because if we have an 956 // implicit intent, we want the ResolveInfo returned by PackageManager 957 // instead of one we reconstruct ourselves. The ResolveInfo returned might 958 // have extra metadata and resolvePackageName set and we want to respect that. 959 ResolveInfo ri = null; 960 ActivityInfo ai = null; 961 final ComponentName cn = ii.getComponent(); 962 if (cn != null) { 963 try { 964 ai = pm.getActivityInfo(ii.getComponent(), 0); 965 ri = new ResolveInfo(); 966 ri.activityInfo = ai; 967 } catch (PackageManager.NameNotFoundException ignored) { 968 // ai will == null below 969 } 970 } 971 if (ai == null) { 972 ri = pm.resolveActivity(ii, PackageManager.MATCH_DEFAULT_ONLY); 973 ai = ri != null ? ri.activityInfo : null; 974 } 975 if (ai == null) { 976 Log.w(TAG, "No activity found for " + ii); 977 continue; 978 } 979 UserManager userManager = 980 (UserManager) getSystemService(Context.USER_SERVICE); 981 if (ii instanceof LabeledIntent) { 982 LabeledIntent li = (LabeledIntent)ii; 983 ri.resolvePackageName = li.getSourcePackage(); 984 ri.labelRes = li.getLabelResource(); 985 ri.nonLocalizedLabel = li.getNonLocalizedLabel(); 986 ri.icon = li.getIconResource(); 987 ri.iconResourceId = ri.icon; 988 } 989 if (userManager.isManagedProfile()) { 990 ri.noResourceId = true; 991 ri.icon = 0; 992 } 993 mCallerTargets.add(new DisplayResolveInfo(ii, ri, 994 ri.loadLabel(pm), null, ii)); 995 } 996 } 997 } 998 999 @Override showsExtendedInfo(TargetInfo info)1000 public boolean showsExtendedInfo(TargetInfo info) { 1001 // We have badges so we don't need this text shown. 1002 return false; 1003 } 1004 1005 @Override isComponentPinned(ComponentName name)1006 public boolean isComponentPinned(ComponentName name) { 1007 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 1008 } 1009 1010 @Override onCreateView(ViewGroup parent)1011 public View onCreateView(ViewGroup parent) { 1012 return mInflater.inflate( 1013 com.android.internal.R.layout.resolve_grid_item, parent, false); 1014 } 1015 1016 @Override onListRebuilt()1017 public void onListRebuilt() { 1018 if (mServiceTargets != null) { 1019 pruneServiceTargets(); 1020 } 1021 if (DEBUG) Log.d(TAG, "List built querying services"); 1022 queryTargetServices(this); 1023 } 1024 1025 @Override shouldGetResolvedFilter()1026 public boolean shouldGetResolvedFilter() { 1027 return true; 1028 } 1029 1030 @Override getCount()1031 public int getCount() { 1032 return super.getCount() + getServiceTargetCount() + getCallerTargetCount(); 1033 } 1034 1035 @Override getUnfilteredCount()1036 public int getUnfilteredCount() { 1037 return super.getUnfilteredCount() + getServiceTargetCount() + getCallerTargetCount(); 1038 } 1039 getCallerTargetCount()1040 public int getCallerTargetCount() { 1041 return mCallerTargets.size(); 1042 } 1043 getServiceTargetCount()1044 public int getServiceTargetCount() { 1045 if (!mShowServiceTargets) { 1046 return 0; 1047 } 1048 return Math.min(mServiceTargets.size(), MAX_SERVICE_TARGETS); 1049 } 1050 getStandardTargetCount()1051 public int getStandardTargetCount() { 1052 return super.getCount(); 1053 } 1054 getPositionTargetType(int position)1055 public int getPositionTargetType(int position) { 1056 int offset = 0; 1057 1058 final int callerTargetCount = getCallerTargetCount(); 1059 if (position < callerTargetCount) { 1060 return TARGET_CALLER; 1061 } 1062 offset += callerTargetCount; 1063 1064 final int serviceTargetCount = getServiceTargetCount(); 1065 if (position - offset < serviceTargetCount) { 1066 return TARGET_SERVICE; 1067 } 1068 offset += serviceTargetCount; 1069 1070 final int standardTargetCount = super.getCount(); 1071 if (position - offset < standardTargetCount) { 1072 return TARGET_STANDARD; 1073 } 1074 1075 return TARGET_BAD; 1076 } 1077 1078 @Override getItem(int position)1079 public TargetInfo getItem(int position) { 1080 return targetInfoForPosition(position, true); 1081 } 1082 1083 @Override targetInfoForPosition(int position, boolean filtered)1084 public TargetInfo targetInfoForPosition(int position, boolean filtered) { 1085 int offset = 0; 1086 1087 final int callerTargetCount = getCallerTargetCount(); 1088 if (position < callerTargetCount) { 1089 return mCallerTargets.get(position); 1090 } 1091 offset += callerTargetCount; 1092 1093 final int serviceTargetCount = getServiceTargetCount(); 1094 if (position - offset < serviceTargetCount) { 1095 return mServiceTargets.get(position - offset); 1096 } 1097 offset += serviceTargetCount; 1098 1099 return filtered ? super.getItem(position - offset) 1100 : getDisplayInfoAt(position - offset); 1101 } 1102 addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets)1103 public void addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets) { 1104 if (DEBUG) Log.d(TAG, "addServiceResults " + origTarget + ", " + targets.size() 1105 + " targets"); 1106 final float parentScore = getScore(origTarget); 1107 Collections.sort(targets, mBaseTargetComparator); 1108 float lastScore = 0; 1109 for (int i = 0, N = Math.min(targets.size(), MAX_TARGETS_PER_SERVICE); i < N; i++) { 1110 final ChooserTarget target = targets.get(i); 1111 float targetScore = target.getScore(); 1112 targetScore *= parentScore; 1113 targetScore *= mLateFee; 1114 if (i > 0 && targetScore >= lastScore) { 1115 // Apply a decay so that the top app can't crowd out everything else. 1116 // This incents ChooserTargetServices to define what's truly better. 1117 targetScore = lastScore * 0.95f; 1118 } 1119 insertServiceTarget(new ChooserTargetInfo(origTarget, target, targetScore)); 1120 1121 if (DEBUG) { 1122 Log.d(TAG, " => " + target.toString() + " score=" + targetScore 1123 + " base=" + target.getScore() 1124 + " lastScore=" + lastScore 1125 + " parentScore=" + parentScore 1126 + " lateFee=" + mLateFee); 1127 } 1128 1129 lastScore = targetScore; 1130 } 1131 1132 mLateFee *= 0.95f; 1133 1134 notifyDataSetChanged(); 1135 } 1136 1137 /** 1138 * Set to true to reveal all service targets at once. 1139 */ setShowServiceTargets(boolean show)1140 public void setShowServiceTargets(boolean show) { 1141 if (show != mShowServiceTargets) { 1142 mShowServiceTargets = show; 1143 notifyDataSetChanged(); 1144 } 1145 } 1146 insertServiceTarget(ChooserTargetInfo chooserTargetInfo)1147 private void insertServiceTarget(ChooserTargetInfo chooserTargetInfo) { 1148 final float newScore = chooserTargetInfo.getModifiedScore(); 1149 for (int i = 0, N = mServiceTargets.size(); i < N; i++) { 1150 final ChooserTargetInfo serviceTarget = mServiceTargets.get(i); 1151 if (newScore > serviceTarget.getModifiedScore()) { 1152 mServiceTargets.add(i, chooserTargetInfo); 1153 return; 1154 } 1155 } 1156 mServiceTargets.add(chooserTargetInfo); 1157 } 1158 pruneServiceTargets()1159 private void pruneServiceTargets() { 1160 if (DEBUG) Log.d(TAG, "pruneServiceTargets"); 1161 for (int i = mServiceTargets.size() - 1; i >= 0; i--) { 1162 final ChooserTargetInfo cti = mServiceTargets.get(i); 1163 if (!hasResolvedTarget(cti.getResolveInfo())) { 1164 if (DEBUG) Log.d(TAG, " => " + i + " " + cti); 1165 mServiceTargets.remove(i); 1166 } 1167 } 1168 } 1169 } 1170 1171 static class BaseChooserTargetComparator implements Comparator<ChooserTarget> { 1172 @Override compare(ChooserTarget lhs, ChooserTarget rhs)1173 public int compare(ChooserTarget lhs, ChooserTarget rhs) { 1174 // Descending order 1175 return (int) Math.signum(rhs.getScore() - lhs.getScore()); 1176 } 1177 } 1178 1179 static class RowScale { 1180 private static final int DURATION = 400; 1181 1182 float mScale; 1183 ChooserRowAdapter mAdapter; 1184 private final ObjectAnimator mAnimator; 1185 1186 public static final FloatProperty<RowScale> PROPERTY = 1187 new FloatProperty<RowScale>("scale") { 1188 @Override 1189 public void setValue(RowScale object, float value) { 1190 object.mScale = value; 1191 object.mAdapter.notifyDataSetChanged(); 1192 } 1193 1194 @Override 1195 public Float get(RowScale object) { 1196 return object.mScale; 1197 } 1198 }; 1199 RowScale(@onNull ChooserRowAdapter adapter, float from, float to)1200 public RowScale(@NonNull ChooserRowAdapter adapter, float from, float to) { 1201 mAdapter = adapter; 1202 mScale = from; 1203 if (from == to) { 1204 mAnimator = null; 1205 return; 1206 } 1207 1208 mAnimator = ObjectAnimator.ofFloat(this, PROPERTY, from, to) 1209 .setDuration(DURATION); 1210 mAnimator.addListener(new AnimatorListenerAdapter() { 1211 @Override 1212 public void onAnimationStart(Animator animation) { 1213 mAdapter.onAnimationStart(); 1214 } 1215 @Override 1216 public void onAnimationEnd(Animator animation) { 1217 mAdapter.onAnimationEnd(); 1218 } 1219 }); 1220 } 1221 setInterpolator(Interpolator interpolator)1222 public RowScale setInterpolator(Interpolator interpolator) { 1223 if (mAnimator != null) { 1224 mAnimator.setInterpolator(interpolator); 1225 } 1226 return this; 1227 } 1228 get()1229 public float get() { 1230 return mScale; 1231 } 1232 startAnimation()1233 public void startAnimation() { 1234 if (mAnimator != null) { 1235 mAnimator.start(); 1236 } 1237 } 1238 cancelAnimation()1239 public void cancelAnimation() { 1240 if (mAnimator != null) { 1241 mAnimator.cancel(); 1242 } 1243 } 1244 } 1245 1246 class ChooserRowAdapter extends BaseAdapter { 1247 private ChooserListAdapter mChooserListAdapter; 1248 private final LayoutInflater mLayoutInflater; 1249 private final int mColumnCount = 4; 1250 private RowScale[] mServiceTargetScale; 1251 private final Interpolator mInterpolator; 1252 private int mAnimationCount = 0; 1253 ChooserRowAdapter(ChooserListAdapter wrappedAdapter)1254 public ChooserRowAdapter(ChooserListAdapter wrappedAdapter) { 1255 mChooserListAdapter = wrappedAdapter; 1256 mLayoutInflater = LayoutInflater.from(ChooserActivity.this); 1257 1258 mInterpolator = AnimationUtils.loadInterpolator(ChooserActivity.this, 1259 android.R.interpolator.decelerate_quint); 1260 1261 wrappedAdapter.registerDataSetObserver(new DataSetObserver() { 1262 @Override 1263 public void onChanged() { 1264 super.onChanged(); 1265 final int rcount = getServiceTargetRowCount(); 1266 if (mServiceTargetScale == null 1267 || mServiceTargetScale.length != rcount) { 1268 RowScale[] old = mServiceTargetScale; 1269 int oldRCount = old != null ? old.length : 0; 1270 mServiceTargetScale = new RowScale[rcount]; 1271 if (old != null && rcount > 0) { 1272 System.arraycopy(old, 0, mServiceTargetScale, 0, 1273 Math.min(old.length, rcount)); 1274 } 1275 1276 for (int i = rcount; i < oldRCount; i++) { 1277 old[i].cancelAnimation(); 1278 } 1279 1280 for (int i = oldRCount; i < rcount; i++) { 1281 final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f) 1282 .setInterpolator(mInterpolator); 1283 mServiceTargetScale[i] = rs; 1284 } 1285 1286 // Start the animations in a separate loop. 1287 // The process of starting animations will result in 1288 // binding views to set up initial values, and we must 1289 // have ALL of the new RowScale objects created above before 1290 // we get started. 1291 for (int i = oldRCount; i < rcount; i++) { 1292 mServiceTargetScale[i].startAnimation(); 1293 } 1294 } 1295 1296 notifyDataSetChanged(); 1297 } 1298 1299 @Override 1300 public void onInvalidated() { 1301 super.onInvalidated(); 1302 notifyDataSetInvalidated(); 1303 if (mServiceTargetScale != null) { 1304 for (RowScale rs : mServiceTargetScale) { 1305 rs.cancelAnimation(); 1306 } 1307 } 1308 } 1309 }); 1310 } 1311 getRowScale(int rowPosition)1312 private float getRowScale(int rowPosition) { 1313 final int start = getCallerTargetRowCount(); 1314 final int end = start + getServiceTargetRowCount(); 1315 if (rowPosition >= start && rowPosition < end) { 1316 return mServiceTargetScale[rowPosition - start].get(); 1317 } 1318 return 1.f; 1319 } 1320 onAnimationStart()1321 public void onAnimationStart() { 1322 final boolean lock = mAnimationCount == 0; 1323 mAnimationCount++; 1324 if (lock) { 1325 mResolverDrawerLayout.setDismissLocked(true); 1326 } 1327 } 1328 onAnimationEnd()1329 public void onAnimationEnd() { 1330 mAnimationCount--; 1331 if (mAnimationCount == 0) { 1332 mResolverDrawerLayout.setDismissLocked(false); 1333 } 1334 } 1335 1336 @Override getCount()1337 public int getCount() { 1338 return (int) ( 1339 getCallerTargetRowCount() 1340 + getServiceTargetRowCount() 1341 + Math.ceil((float) mChooserListAdapter.getStandardTargetCount() / mColumnCount) 1342 ); 1343 } 1344 getCallerTargetRowCount()1345 public int getCallerTargetRowCount() { 1346 return (int) Math.ceil( 1347 (float) mChooserListAdapter.getCallerTargetCount() / mColumnCount); 1348 } 1349 getServiceTargetRowCount()1350 public int getServiceTargetRowCount() { 1351 return (int) Math.ceil( 1352 (float) mChooserListAdapter.getServiceTargetCount() / mColumnCount); 1353 } 1354 1355 @Override getItem(int position)1356 public Object getItem(int position) { 1357 // We have nothing useful to return here. 1358 return position; 1359 } 1360 1361 @Override getItemId(int position)1362 public long getItemId(int position) { 1363 return position; 1364 } 1365 1366 @Override getView(int position, View convertView, ViewGroup parent)1367 public View getView(int position, View convertView, ViewGroup parent) { 1368 final RowViewHolder holder; 1369 if (convertView == null) { 1370 holder = createViewHolder(parent); 1371 } else { 1372 holder = (RowViewHolder) convertView.getTag(); 1373 } 1374 bindViewHolder(position, holder); 1375 1376 return holder.row; 1377 } 1378 createViewHolder(ViewGroup parent)1379 RowViewHolder createViewHolder(ViewGroup parent) { 1380 final ViewGroup row = (ViewGroup) mLayoutInflater.inflate(R.layout.chooser_row, 1381 parent, false); 1382 final RowViewHolder holder = new RowViewHolder(row, mColumnCount); 1383 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1384 1385 for (int i = 0; i < mColumnCount; i++) { 1386 final View v = mChooserListAdapter.createView(row); 1387 final int column = i; 1388 v.setOnClickListener(new OnClickListener() { 1389 @Override 1390 public void onClick(View v) { 1391 startSelected(holder.itemIndices[column], false, true); 1392 } 1393 }); 1394 v.setOnLongClickListener(new OnLongClickListener() { 1395 @Override 1396 public boolean onLongClick(View v) { 1397 showTargetDetails( 1398 mChooserListAdapter.resolveInfoForPosition( 1399 holder.itemIndices[column], true)); 1400 return true; 1401 } 1402 }); 1403 row.addView(v); 1404 holder.cells[i] = v; 1405 1406 // Force height to be a given so we don't have visual disruption during scaling. 1407 LayoutParams lp = v.getLayoutParams(); 1408 v.measure(spec, spec); 1409 if (lp == null) { 1410 lp = new LayoutParams(LayoutParams.MATCH_PARENT, v.getMeasuredHeight()); 1411 row.setLayoutParams(lp); 1412 } else { 1413 lp.height = v.getMeasuredHeight(); 1414 } 1415 } 1416 1417 // Pre-measure so we can scale later. 1418 holder.measure(); 1419 LayoutParams lp = row.getLayoutParams(); 1420 if (lp == null) { 1421 lp = new LayoutParams(LayoutParams.MATCH_PARENT, holder.measuredRowHeight); 1422 row.setLayoutParams(lp); 1423 } else { 1424 lp.height = holder.measuredRowHeight; 1425 } 1426 row.setTag(holder); 1427 return holder; 1428 } 1429 bindViewHolder(int rowPosition, RowViewHolder holder)1430 void bindViewHolder(int rowPosition, RowViewHolder holder) { 1431 final int start = getFirstRowPosition(rowPosition); 1432 final int startType = mChooserListAdapter.getPositionTargetType(start); 1433 1434 int end = start + mColumnCount - 1; 1435 while (mChooserListAdapter.getPositionTargetType(end) != startType && end >= start) { 1436 end--; 1437 } 1438 1439 if (startType == ChooserListAdapter.TARGET_SERVICE) { 1440 holder.row.setBackgroundColor( 1441 getColor(R.color.chooser_service_row_background_color)); 1442 } else { 1443 holder.row.setBackgroundColor(Color.TRANSPARENT); 1444 } 1445 1446 final int oldHeight = holder.row.getLayoutParams().height; 1447 holder.row.getLayoutParams().height = Math.max(1, 1448 (int) (holder.measuredRowHeight * getRowScale(rowPosition))); 1449 if (holder.row.getLayoutParams().height != oldHeight) { 1450 holder.row.requestLayout(); 1451 } 1452 1453 for (int i = 0; i < mColumnCount; i++) { 1454 final View v = holder.cells[i]; 1455 if (start + i <= end) { 1456 v.setVisibility(View.VISIBLE); 1457 holder.itemIndices[i] = start + i; 1458 mChooserListAdapter.bindView(holder.itemIndices[i], v); 1459 } else { 1460 v.setVisibility(View.GONE); 1461 } 1462 } 1463 } 1464 getFirstRowPosition(int row)1465 int getFirstRowPosition(int row) { 1466 final int callerCount = mChooserListAdapter.getCallerTargetCount(); 1467 final int callerRows = (int) Math.ceil((float) callerCount / mColumnCount); 1468 1469 if (row < callerRows) { 1470 return row * mColumnCount; 1471 } 1472 1473 final int serviceCount = mChooserListAdapter.getServiceTargetCount(); 1474 final int serviceRows = (int) Math.ceil((float) serviceCount / mColumnCount); 1475 1476 if (row < callerRows + serviceRows) { 1477 return callerCount + (row - callerRows) * mColumnCount; 1478 } 1479 1480 return callerCount + serviceCount 1481 + (row - callerRows - serviceRows) * mColumnCount; 1482 } 1483 } 1484 1485 static class RowViewHolder { 1486 final View[] cells; 1487 final ViewGroup row; 1488 int measuredRowHeight; 1489 int[] itemIndices; 1490 RowViewHolder(ViewGroup row, int cellCount)1491 public RowViewHolder(ViewGroup row, int cellCount) { 1492 this.row = row; 1493 this.cells = new View[cellCount]; 1494 this.itemIndices = new int[cellCount]; 1495 } 1496 measure()1497 public void measure() { 1498 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1499 row.measure(spec, spec); 1500 measuredRowHeight = row.getMeasuredHeight(); 1501 } 1502 } 1503 1504 static class ChooserTargetServiceConnection implements ServiceConnection { 1505 private DisplayResolveInfo mOriginalTarget; 1506 private ComponentName mConnectedComponent; 1507 private ChooserActivity mChooserActivity; 1508 private final Object mLock = new Object(); 1509 1510 private final IChooserTargetResult mChooserTargetResult = new IChooserTargetResult.Stub() { 1511 @Override 1512 public void sendResult(List<ChooserTarget> targets) throws RemoteException { 1513 synchronized (mLock) { 1514 if (mChooserActivity == null) { 1515 Log.e(TAG, "destroyed ChooserTargetServiceConnection received result from " 1516 + mConnectedComponent + "; ignoring..."); 1517 return; 1518 } 1519 mChooserActivity.filterServiceTargets( 1520 mOriginalTarget.getResolveInfo().activityInfo.packageName, targets); 1521 final Message msg = Message.obtain(); 1522 msg.what = CHOOSER_TARGET_SERVICE_RESULT; 1523 msg.obj = new ServiceResultInfo(mOriginalTarget, targets, 1524 ChooserTargetServiceConnection.this); 1525 mChooserActivity.mChooserHandler.sendMessage(msg); 1526 } 1527 } 1528 }; 1529 ChooserTargetServiceConnection(ChooserActivity chooserActivity, DisplayResolveInfo dri)1530 public ChooserTargetServiceConnection(ChooserActivity chooserActivity, 1531 DisplayResolveInfo dri) { 1532 mChooserActivity = chooserActivity; 1533 mOriginalTarget = dri; 1534 } 1535 1536 @Override onServiceConnected(ComponentName name, IBinder service)1537 public void onServiceConnected(ComponentName name, IBinder service) { 1538 if (DEBUG) Log.d(TAG, "onServiceConnected: " + name); 1539 synchronized (mLock) { 1540 if (mChooserActivity == null) { 1541 Log.e(TAG, "destroyed ChooserTargetServiceConnection got onServiceConnected"); 1542 return; 1543 } 1544 1545 final IChooserTargetService icts = IChooserTargetService.Stub.asInterface(service); 1546 try { 1547 icts.getChooserTargets(mOriginalTarget.getResolvedComponentName(), 1548 mOriginalTarget.getResolveInfo().filter, mChooserTargetResult); 1549 } catch (RemoteException e) { 1550 Log.e(TAG, "Querying ChooserTargetService " + name + " failed.", e); 1551 mChooserActivity.unbindService(this); 1552 destroy(); 1553 mChooserActivity.mServiceConnections.remove(this); 1554 } 1555 } 1556 } 1557 1558 @Override onServiceDisconnected(ComponentName name)1559 public void onServiceDisconnected(ComponentName name) { 1560 if (DEBUG) Log.d(TAG, "onServiceDisconnected: " + name); 1561 synchronized (mLock) { 1562 if (mChooserActivity == null) { 1563 Log.e(TAG, 1564 "destroyed ChooserTargetServiceConnection got onServiceDisconnected"); 1565 return; 1566 } 1567 1568 mChooserActivity.unbindService(this); 1569 destroy(); 1570 mChooserActivity.mServiceConnections.remove(this); 1571 if (mChooserActivity.mServiceConnections.isEmpty()) { 1572 mChooserActivity.mChooserHandler.removeMessages( 1573 CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 1574 mChooserActivity.sendVoiceChoicesIfNeeded(); 1575 } 1576 mConnectedComponent = null; 1577 } 1578 } 1579 destroy()1580 public void destroy() { 1581 synchronized (mLock) { 1582 mChooserActivity = null; 1583 mOriginalTarget = null; 1584 } 1585 } 1586 1587 @Override toString()1588 public String toString() { 1589 return "ChooserTargetServiceConnection{service=" 1590 + mConnectedComponent + ", activity=" 1591 + (mOriginalTarget != null 1592 ? mOriginalTarget.getResolveInfo().activityInfo.toString() 1593 : "<connection destroyed>") + "}"; 1594 } 1595 } 1596 1597 static class ServiceResultInfo { 1598 public final DisplayResolveInfo originalTarget; 1599 public final List<ChooserTarget> resultTargets; 1600 public final ChooserTargetServiceConnection connection; 1601 ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt, ChooserTargetServiceConnection c)1602 public ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt, 1603 ChooserTargetServiceConnection c) { 1604 originalTarget = ot; 1605 resultTargets = rt; 1606 connection = c; 1607 } 1608 } 1609 1610 static class RefinementResultReceiver extends ResultReceiver { 1611 private ChooserActivity mChooserActivity; 1612 private TargetInfo mSelectedTarget; 1613 RefinementResultReceiver(ChooserActivity host, TargetInfo target, Handler handler)1614 public RefinementResultReceiver(ChooserActivity host, TargetInfo target, 1615 Handler handler) { 1616 super(handler); 1617 mChooserActivity = host; 1618 mSelectedTarget = target; 1619 } 1620 1621 @Override onReceiveResult(int resultCode, Bundle resultData)1622 protected void onReceiveResult(int resultCode, Bundle resultData) { 1623 if (mChooserActivity == null) { 1624 Log.e(TAG, "Destroyed RefinementResultReceiver received a result"); 1625 return; 1626 } 1627 if (resultData == null) { 1628 Log.e(TAG, "RefinementResultReceiver received null resultData"); 1629 return; 1630 } 1631 1632 switch (resultCode) { 1633 case RESULT_CANCELED: 1634 mChooserActivity.onRefinementCanceled(); 1635 break; 1636 case RESULT_OK: 1637 Parcelable intentParcelable = resultData.getParcelable(Intent.EXTRA_INTENT); 1638 if (intentParcelable instanceof Intent) { 1639 mChooserActivity.onRefinementResult(mSelectedTarget, 1640 (Intent) intentParcelable); 1641 } else { 1642 Log.e(TAG, "RefinementResultReceiver received RESULT_OK but no Intent" 1643 + " in resultData with key Intent.EXTRA_INTENT"); 1644 } 1645 break; 1646 default: 1647 Log.w(TAG, "Unknown result code " + resultCode 1648 + " sent to RefinementResultReceiver"); 1649 break; 1650 } 1651 } 1652 destroy()1653 public void destroy() { 1654 mChooserActivity = null; 1655 mSelectedTarget = null; 1656 } 1657 } 1658 1659 class OffsetDataSetObserver extends DataSetObserver { 1660 private final AbsListView mListView; 1661 private int mCachedViewType = -1; 1662 private View mCachedView; 1663 OffsetDataSetObserver(AbsListView listView)1664 public OffsetDataSetObserver(AbsListView listView) { 1665 mListView = listView; 1666 } 1667 1668 @Override onChanged()1669 public void onChanged() { 1670 if (mResolverDrawerLayout == null) { 1671 return; 1672 } 1673 1674 final int chooserTargetRows = mChooserRowAdapter.getServiceTargetRowCount(); 1675 int offset = 0; 1676 for (int i = 0; i < chooserTargetRows; i++) { 1677 final int pos = mChooserRowAdapter.getCallerTargetRowCount() + i; 1678 final int vt = mChooserRowAdapter.getItemViewType(pos); 1679 if (vt != mCachedViewType) { 1680 mCachedView = null; 1681 } 1682 final View v = mChooserRowAdapter.getView(pos, mCachedView, mListView); 1683 int height = ((RowViewHolder) (v.getTag())).measuredRowHeight; 1684 1685 offset += (int) (height * mChooserRowAdapter.getRowScale(pos)); 1686 1687 if (vt >= 0) { 1688 mCachedViewType = vt; 1689 mCachedView = v; 1690 } else { 1691 mCachedViewType = -1; 1692 } 1693 } 1694 1695 mResolverDrawerLayout.setCollapsibleHeightReserved(offset); 1696 } 1697 } 1698 } 1699