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.LinearLayout; 73 import android.widget.ListView; 74 import android.widget.Space; 75 76 import com.android.internal.R; 77 import com.android.internal.annotations.VisibleForTesting; 78 import com.android.internal.app.ResolverActivity.TargetInfo; 79 import com.android.internal.logging.MetricsLogger; 80 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 81 import com.google.android.collect.Lists; 82 83 import java.io.File; 84 import java.util.ArrayList; 85 import java.util.Collections; 86 import java.util.Comparator; 87 import java.util.List; 88 89 public class ChooserActivity extends ResolverActivity { 90 private static final String TAG = "ChooserActivity"; 91 92 /** 93 * Boolean extra to change the following behavior: Normally, ChooserActivity finishes itself 94 * in onStop when launched in a new task. If this extra is set to true, we do not finish 95 * ourselves when onStop gets called. 96 */ 97 public static final String EXTRA_PRIVATE_RETAIN_IN_ON_STOP 98 = "com.android.internal.app.ChooserActivity.EXTRA_PRIVATE_RETAIN_IN_ON_STOP"; 99 100 private static final boolean DEBUG = false; 101 102 private static final int QUERY_TARGET_SERVICE_LIMIT = 5; 103 private static final int WATCHDOG_TIMEOUT_MILLIS = 2000; 104 105 private Bundle mReplacementExtras; 106 private IntentSender mChosenComponentSender; 107 private IntentSender mRefinementIntentSender; 108 private RefinementResultReceiver mRefinementResultReceiver; 109 private ChooserTarget[] mCallerChooserTargets; 110 private ComponentName[] mFilteredComponentNames; 111 112 private Intent mReferrerFillInIntent; 113 114 private long mChooserShownTime; 115 protected boolean mIsSuccessfullySelected; 116 117 private ChooserListAdapter mChooserListAdapter; 118 private ChooserRowAdapter mChooserRowAdapter; 119 120 private SharedPreferences mPinnedSharedPrefs; 121 private static final float PINNED_TARGET_SCORE_BOOST = 1000.f; 122 private static final float CALLER_TARGET_SCORE_BOOST = 900.f; 123 private static final String PINNED_SHARED_PREFS_NAME = "chooser_pin_settings"; 124 private static final String TARGET_DETAILS_FRAGMENT_TAG = "targetDetailsFragment"; 125 126 private final List<ChooserTargetServiceConnection> mServiceConnections = new ArrayList<>(); 127 128 private static final int CHOOSER_TARGET_SERVICE_RESULT = 1; 129 private static final int CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT = 2; 130 131 private final Handler mChooserHandler = new Handler() { 132 @Override 133 public void handleMessage(Message msg) { 134 switch (msg.what) { 135 case CHOOSER_TARGET_SERVICE_RESULT: 136 if (DEBUG) Log.d(TAG, "CHOOSER_TARGET_SERVICE_RESULT"); 137 if (isDestroyed()) break; 138 final ServiceResultInfo sri = (ServiceResultInfo) msg.obj; 139 if (!mServiceConnections.contains(sri.connection)) { 140 Log.w(TAG, "ChooserTargetServiceConnection " + sri.connection 141 + " returned after being removed from active connections." 142 + " Have you considered returning results faster?"); 143 break; 144 } 145 if (sri.resultTargets != null) { 146 mChooserListAdapter.addServiceResults(sri.originalTarget, 147 sri.resultTargets); 148 } 149 unbindService(sri.connection); 150 sri.connection.destroy(); 151 mServiceConnections.remove(sri.connection); 152 if (mServiceConnections.isEmpty()) { 153 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 154 sendVoiceChoicesIfNeeded(); 155 mChooserListAdapter.setShowServiceTargets(true); 156 } 157 break; 158 159 case CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT: 160 if (DEBUG) { 161 Log.d(TAG, "CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT; unbinding services"); 162 } 163 unbindRemainingServices(); 164 sendVoiceChoicesIfNeeded(); 165 mChooserListAdapter.setShowServiceTargets(true); 166 break; 167 168 default: 169 super.handleMessage(msg); 170 } 171 } 172 }; 173 174 @Override onCreate(Bundle savedInstanceState)175 protected void onCreate(Bundle savedInstanceState) { 176 final long intentReceivedTime = System.currentTimeMillis(); 177 mIsSuccessfullySelected = false; 178 Intent intent = getIntent(); 179 Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT); 180 if (!(targetParcelable instanceof Intent)) { 181 Log.w("ChooserActivity", "Target is not an intent: " + targetParcelable); 182 finish(); 183 super.onCreate(null); 184 return; 185 } 186 Intent target = (Intent) targetParcelable; 187 if (target != null) { 188 modifyTargetIntent(target); 189 } 190 Parcelable[] targetsParcelable 191 = intent.getParcelableArrayExtra(Intent.EXTRA_ALTERNATE_INTENTS); 192 if (targetsParcelable != null) { 193 final boolean offset = target == null; 194 Intent[] additionalTargets = 195 new Intent[offset ? targetsParcelable.length - 1 : targetsParcelable.length]; 196 for (int i = 0; i < targetsParcelable.length; i++) { 197 if (!(targetsParcelable[i] instanceof Intent)) { 198 Log.w(TAG, "EXTRA_ALTERNATE_INTENTS array entry #" + i + " is not an Intent: " 199 + targetsParcelable[i]); 200 finish(); 201 super.onCreate(null); 202 return; 203 } 204 final Intent additionalTarget = (Intent) targetsParcelable[i]; 205 if (i == 0 && target == null) { 206 target = additionalTarget; 207 modifyTargetIntent(target); 208 } else { 209 additionalTargets[offset ? i - 1 : i] = additionalTarget; 210 modifyTargetIntent(additionalTarget); 211 } 212 } 213 setAdditionalTargets(additionalTargets); 214 } 215 216 mReplacementExtras = intent.getBundleExtra(Intent.EXTRA_REPLACEMENT_EXTRAS); 217 CharSequence title = intent.getCharSequenceExtra(Intent.EXTRA_TITLE); 218 int defaultTitleRes = 0; 219 if (title == null) { 220 defaultTitleRes = com.android.internal.R.string.chooseActivity; 221 } 222 Parcelable[] pa = intent.getParcelableArrayExtra(Intent.EXTRA_INITIAL_INTENTS); 223 Intent[] initialIntents = null; 224 if (pa != null) { 225 initialIntents = new Intent[pa.length]; 226 for (int i=0; i<pa.length; i++) { 227 if (!(pa[i] instanceof Intent)) { 228 Log.w(TAG, "Initial intent #" + i + " not an Intent: " + pa[i]); 229 finish(); 230 super.onCreate(null); 231 return; 232 } 233 final Intent in = (Intent) pa[i]; 234 modifyTargetIntent(in); 235 initialIntents[i] = in; 236 } 237 } 238 239 mReferrerFillInIntent = new Intent().putExtra(Intent.EXTRA_REFERRER, getReferrer()); 240 241 mChosenComponentSender = intent.getParcelableExtra( 242 Intent.EXTRA_CHOSEN_COMPONENT_INTENT_SENDER); 243 mRefinementIntentSender = intent.getParcelableExtra( 244 Intent.EXTRA_CHOOSER_REFINEMENT_INTENT_SENDER); 245 setSafeForwardingMode(true); 246 247 pa = intent.getParcelableArrayExtra(Intent.EXTRA_EXCLUDE_COMPONENTS); 248 if (pa != null) { 249 ComponentName[] names = new ComponentName[pa.length]; 250 for (int i = 0; i < pa.length; i++) { 251 if (!(pa[i] instanceof ComponentName)) { 252 Log.w(TAG, "Filtered component #" + i + " not a ComponentName: " + pa[i]); 253 names = null; 254 break; 255 } 256 names[i] = (ComponentName) pa[i]; 257 } 258 mFilteredComponentNames = names; 259 } 260 261 pa = intent.getParcelableArrayExtra(Intent.EXTRA_CHOOSER_TARGETS); 262 if (pa != null) { 263 ChooserTarget[] targets = new ChooserTarget[pa.length]; 264 for (int i = 0; i < pa.length; i++) { 265 if (!(pa[i] instanceof ChooserTarget)) { 266 Log.w(TAG, "Chooser target #" + i + " not a ChooserTarget: " + pa[i]); 267 targets = null; 268 break; 269 } 270 targets[i] = (ChooserTarget) pa[i]; 271 } 272 mCallerChooserTargets = targets; 273 } 274 275 mPinnedSharedPrefs = getPinnedSharedPrefs(this); 276 setRetainInOnStop(intent.getBooleanExtra(EXTRA_PRIVATE_RETAIN_IN_ON_STOP, false)); 277 super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents, 278 null, false); 279 280 MetricsLogger.action(this, MetricsEvent.ACTION_ACTIVITY_CHOOSER_SHOWN); 281 282 mChooserShownTime = System.currentTimeMillis(); 283 final long systemCost = mChooserShownTime - intentReceivedTime; 284 MetricsLogger.histogram(null, "system_cost_for_smart_sharing", (int) systemCost); 285 if (DEBUG) { 286 Log.d(TAG, "System Time Cost is " + systemCost); 287 } 288 } 289 getPinnedSharedPrefs(Context context)290 static SharedPreferences getPinnedSharedPrefs(Context context) { 291 // The code below is because in the android:ui process, no one can hear you scream. 292 // The package info in the context isn't initialized in the way it is for normal apps, 293 // so the standard, name-based context.getSharedPreferences doesn't work. Instead, we 294 // build the path manually below using the same policy that appears in ContextImpl. 295 // This fails silently under the hood if there's a problem, so if we find ourselves in 296 // the case where we don't have access to credential encrypted storage we just won't 297 // have our pinned target info. 298 final File prefsFile = new File(new File( 299 Environment.getDataUserCePackageDirectory(StorageManager.UUID_PRIVATE_INTERNAL, 300 context.getUserId(), context.getPackageName()), 301 "shared_prefs"), 302 PINNED_SHARED_PREFS_NAME + ".xml"); 303 return context.getSharedPreferences(prefsFile, MODE_PRIVATE); 304 } 305 306 @Override onDestroy()307 protected void onDestroy() { 308 super.onDestroy(); 309 if (mRefinementResultReceiver != null) { 310 mRefinementResultReceiver.destroy(); 311 mRefinementResultReceiver = null; 312 } 313 unbindRemainingServices(); 314 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_RESULT); 315 } 316 317 @Override getReplacementIntent(ActivityInfo aInfo, Intent defIntent)318 public Intent getReplacementIntent(ActivityInfo aInfo, Intent defIntent) { 319 Intent result = defIntent; 320 if (mReplacementExtras != null) { 321 final Bundle replExtras = mReplacementExtras.getBundle(aInfo.packageName); 322 if (replExtras != null) { 323 result = new Intent(defIntent); 324 result.putExtras(replExtras); 325 } 326 } 327 if (aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_PARENT) 328 || aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE)) { 329 result = Intent.createChooser(result, 330 getIntent().getCharSequenceExtra(Intent.EXTRA_TITLE)); 331 332 // Don't auto-launch single intents if the intent is being forwarded. This is done 333 // because automatically launching a resolving application as a response to the user 334 // action of switching accounts is pretty unexpected. 335 result.putExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, false); 336 } 337 return result; 338 } 339 340 @Override onActivityStarted(TargetInfo cti)341 public void onActivityStarted(TargetInfo cti) { 342 if (mChosenComponentSender != null) { 343 final ComponentName target = cti.getResolvedComponentName(); 344 if (target != null) { 345 final Intent fillIn = new Intent().putExtra(Intent.EXTRA_CHOSEN_COMPONENT, target); 346 try { 347 mChosenComponentSender.sendIntent(this, Activity.RESULT_OK, fillIn, null, null); 348 } catch (IntentSender.SendIntentException e) { 349 Slog.e(TAG, "Unable to launch supplied IntentSender to report " 350 + "the chosen component: " + e); 351 } 352 } 353 } 354 } 355 356 @Override onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter)357 public void onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter) { 358 final ListView listView = adapterView instanceof ListView ? (ListView) adapterView : null; 359 mChooserListAdapter = (ChooserListAdapter) adapter; 360 if (mCallerChooserTargets != null && mCallerChooserTargets.length > 0) { 361 mChooserListAdapter.addServiceResults(null, Lists.newArrayList(mCallerChooserTargets)); 362 } 363 mChooserRowAdapter = new ChooserRowAdapter(mChooserListAdapter); 364 mChooserRowAdapter.registerDataSetObserver(new OffsetDataSetObserver(adapterView)); 365 adapterView.setAdapter(mChooserRowAdapter); 366 if (listView != null) { 367 listView.setItemsCanFocus(true); 368 } 369 } 370 371 @Override getLayoutResource()372 public int getLayoutResource() { 373 return R.layout.chooser_grid; 374 } 375 376 @Override shouldGetActivityMetadata()377 public boolean shouldGetActivityMetadata() { 378 return true; 379 } 380 381 @Override shouldAutoLaunchSingleChoice(TargetInfo target)382 public boolean shouldAutoLaunchSingleChoice(TargetInfo target) { 383 // Note that this is only safe because the Intent handled by the ChooserActivity is 384 // guaranteed to contain no extras unknown to the local ClassLoader. That is why this 385 // method can not be replaced in the ResolverActivity whole hog. 386 return getIntent().getBooleanExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, 387 super.shouldAutoLaunchSingleChoice(target)); 388 } 389 390 @Override showTargetDetails(ResolveInfo ri)391 public void showTargetDetails(ResolveInfo ri) { 392 ComponentName name = ri.activityInfo.getComponentName(); 393 boolean pinned = mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 394 ResolverTargetActionsDialogFragment f = 395 new ResolverTargetActionsDialogFragment(ri.loadLabel(getPackageManager()), 396 name, pinned); 397 f.show(getFragmentManager(), TARGET_DETAILS_FRAGMENT_TAG); 398 } 399 modifyTargetIntent(Intent in)400 private void modifyTargetIntent(Intent in) { 401 final String action = in.getAction(); 402 if (Intent.ACTION_SEND.equals(action) || 403 Intent.ACTION_SEND_MULTIPLE.equals(action)) { 404 in.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | 405 Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 406 } 407 } 408 409 @Override onTargetSelected(TargetInfo target, boolean alwaysCheck)410 protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) { 411 if (mRefinementIntentSender != null) { 412 final Intent fillIn = new Intent(); 413 final List<Intent> sourceIntents = target.getAllSourceIntents(); 414 if (!sourceIntents.isEmpty()) { 415 fillIn.putExtra(Intent.EXTRA_INTENT, sourceIntents.get(0)); 416 if (sourceIntents.size() > 1) { 417 final Intent[] alts = new Intent[sourceIntents.size() - 1]; 418 for (int i = 1, N = sourceIntents.size(); i < N; i++) { 419 alts[i - 1] = sourceIntents.get(i); 420 } 421 fillIn.putExtra(Intent.EXTRA_ALTERNATE_INTENTS, alts); 422 } 423 if (mRefinementResultReceiver != null) { 424 mRefinementResultReceiver.destroy(); 425 } 426 mRefinementResultReceiver = new RefinementResultReceiver(this, target, null); 427 fillIn.putExtra(Intent.EXTRA_RESULT_RECEIVER, 428 mRefinementResultReceiver); 429 try { 430 mRefinementIntentSender.sendIntent(this, 0, fillIn, null, null); 431 return false; 432 } catch (SendIntentException e) { 433 Log.e(TAG, "Refinement IntentSender failed to send", e); 434 } 435 } 436 } 437 updateModelAndChooserCounts(target); 438 return super.onTargetSelected(target, alwaysCheck); 439 } 440 441 @Override startSelected(int which, boolean always, boolean filtered)442 public void startSelected(int which, boolean always, boolean filtered) { 443 final long selectionCost = System.currentTimeMillis() - mChooserShownTime; 444 super.startSelected(which, always, filtered); 445 446 if (mChooserListAdapter != null) { 447 // Log the index of which type of target the user picked. 448 // Lower values mean the ranking was better. 449 int cat = 0; 450 int value = which; 451 switch (mChooserListAdapter.getPositionTargetType(which)) { 452 case ChooserListAdapter.TARGET_CALLER: 453 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET; 454 break; 455 case ChooserListAdapter.TARGET_SERVICE: 456 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET; 457 value -= mChooserListAdapter.getCallerTargetCount(); 458 break; 459 case ChooserListAdapter.TARGET_STANDARD: 460 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET; 461 value -= mChooserListAdapter.getCallerTargetCount() 462 + mChooserListAdapter.getServiceTargetCount(); 463 break; 464 } 465 466 if (cat != 0) { 467 MetricsLogger.action(this, cat, value); 468 } 469 470 if (mIsSuccessfullySelected) { 471 if (DEBUG) { 472 Log.d(TAG, "User Selection Time Cost is " + selectionCost); 473 Log.d(TAG, "position of selected app/service/caller is " + 474 Integer.toString(value)); 475 } 476 MetricsLogger.histogram(null, "user_selection_cost_for_smart_sharing", 477 (int) selectionCost); 478 MetricsLogger.histogram(null, "app_position_for_smart_sharing", value); 479 } 480 } 481 } 482 queryTargetServices(ChooserListAdapter adapter)483 void queryTargetServices(ChooserListAdapter adapter) { 484 final PackageManager pm = getPackageManager(); 485 int targetsToQuery = 0; 486 for (int i = 0, N = adapter.getDisplayResolveInfoCount(); i < N; i++) { 487 final DisplayResolveInfo dri = adapter.getDisplayResolveInfo(i); 488 if (adapter.getScore(dri) == 0) { 489 // A score of 0 means the app hasn't been used in some time; 490 // don't query it as it's not likely to be relevant. 491 continue; 492 } 493 final ActivityInfo ai = dri.getResolveInfo().activityInfo; 494 final Bundle md = ai.metaData; 495 final String serviceName = md != null ? convertServiceName(ai.packageName, 496 md.getString(ChooserTargetService.META_DATA_NAME)) : null; 497 if (serviceName != null) { 498 final ComponentName serviceComponent = new ComponentName( 499 ai.packageName, serviceName); 500 final Intent serviceIntent = new Intent(ChooserTargetService.SERVICE_INTERFACE) 501 .setComponent(serviceComponent); 502 503 if (DEBUG) { 504 Log.d(TAG, "queryTargets found target with service " + serviceComponent); 505 } 506 507 try { 508 final String perm = pm.getServiceInfo(serviceComponent, 0).permission; 509 if (!ChooserTargetService.BIND_PERMISSION.equals(perm)) { 510 Log.w(TAG, "ChooserTargetService " + serviceComponent + " does not require" 511 + " permission " + ChooserTargetService.BIND_PERMISSION 512 + " - this service will not be queried for ChooserTargets." 513 + " add android:permission=\"" 514 + ChooserTargetService.BIND_PERMISSION + "\"" 515 + " to the <service> tag for " + serviceComponent 516 + " in the manifest."); 517 continue; 518 } 519 } catch (NameNotFoundException e) { 520 Log.e(TAG, "Could not look up service " + serviceComponent 521 + "; component name not found"); 522 continue; 523 } 524 525 final ChooserTargetServiceConnection conn = 526 new ChooserTargetServiceConnection(this, dri); 527 528 // Explicitly specify Process.myUserHandle instead of calling bindService 529 // to avoid the warning from calling from the system process without an explicit 530 // user handle 531 if (bindServiceAsUser(serviceIntent, conn, BIND_AUTO_CREATE | BIND_NOT_FOREGROUND, 532 Process.myUserHandle())) { 533 if (DEBUG) { 534 Log.d(TAG, "Binding service connection for target " + dri 535 + " intent " + serviceIntent); 536 } 537 mServiceConnections.add(conn); 538 targetsToQuery++; 539 } 540 } 541 if (targetsToQuery >= QUERY_TARGET_SERVICE_LIMIT) { 542 if (DEBUG) Log.d(TAG, "queryTargets hit query target limit " 543 + QUERY_TARGET_SERVICE_LIMIT); 544 break; 545 } 546 } 547 548 if (!mServiceConnections.isEmpty()) { 549 if (DEBUG) Log.d(TAG, "queryTargets setting watchdog timer for " 550 + WATCHDOG_TIMEOUT_MILLIS + "ms"); 551 mChooserHandler.sendEmptyMessageDelayed(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT, 552 WATCHDOG_TIMEOUT_MILLIS); 553 } else { 554 sendVoiceChoicesIfNeeded(); 555 } 556 } 557 convertServiceName(String packageName, String serviceName)558 private String convertServiceName(String packageName, String serviceName) { 559 if (TextUtils.isEmpty(serviceName)) { 560 return null; 561 } 562 563 final String fullName; 564 if (serviceName.startsWith(".")) { 565 // Relative to the app package. Prepend the app package name. 566 fullName = packageName + serviceName; 567 } else if (serviceName.indexOf('.') >= 0) { 568 // Fully qualified package name. 569 fullName = serviceName; 570 } else { 571 fullName = null; 572 } 573 return fullName; 574 } 575 unbindRemainingServices()576 void unbindRemainingServices() { 577 if (DEBUG) { 578 Log.d(TAG, "unbindRemainingServices, " + mServiceConnections.size() + " left"); 579 } 580 for (int i = 0, N = mServiceConnections.size(); i < N; i++) { 581 final ChooserTargetServiceConnection conn = mServiceConnections.get(i); 582 if (DEBUG) Log.d(TAG, "unbinding " + conn); 583 unbindService(conn); 584 conn.destroy(); 585 } 586 mServiceConnections.clear(); 587 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 588 } 589 onSetupVoiceInteraction()590 public void onSetupVoiceInteraction() { 591 // Do nothing. We'll send the voice stuff ourselves. 592 } 593 updateModelAndChooserCounts(TargetInfo info)594 void updateModelAndChooserCounts(TargetInfo info) { 595 if (info != null) { 596 final ResolveInfo ri = info.getResolveInfo(); 597 Intent targetIntent = getTargetIntent(); 598 if (ri != null && ri.activityInfo != null && targetIntent != null) { 599 if (mAdapter != null) { 600 mAdapter.updateModel(info.getResolvedComponentName()); 601 mAdapter.updateChooserCounts(ri.activityInfo.packageName, getUserId(), 602 targetIntent.getAction()); 603 } 604 if (DEBUG) { 605 Log.d(TAG, "ResolveInfo Package is " + ri.activityInfo.packageName); 606 Log.d(TAG, "Action to be updated is " + targetIntent.getAction()); 607 } 608 } else if(DEBUG) { 609 Log.d(TAG, "Can not log Chooser Counts of null ResovleInfo"); 610 } 611 } 612 mIsSuccessfullySelected = true; 613 } 614 onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent)615 void onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent) { 616 if (mRefinementResultReceiver != null) { 617 mRefinementResultReceiver.destroy(); 618 mRefinementResultReceiver = null; 619 } 620 if (selectedTarget == null) { 621 Log.e(TAG, "Refinement result intent did not match any known targets; canceling"); 622 } else if (!checkTargetSourceIntent(selectedTarget, matchingIntent)) { 623 Log.e(TAG, "onRefinementResult: Selected target " + selectedTarget 624 + " cannot match refined source intent " + matchingIntent); 625 } else { 626 TargetInfo clonedTarget = selectedTarget.cloneFilledIn(matchingIntent, 0); 627 if (super.onTargetSelected(clonedTarget, false)) { 628 updateModelAndChooserCounts(clonedTarget); 629 finish(); 630 return; 631 } 632 } 633 onRefinementCanceled(); 634 } 635 onRefinementCanceled()636 void onRefinementCanceled() { 637 if (mRefinementResultReceiver != null) { 638 mRefinementResultReceiver.destroy(); 639 mRefinementResultReceiver = null; 640 } 641 finish(); 642 } 643 checkTargetSourceIntent(TargetInfo target, Intent matchingIntent)644 boolean checkTargetSourceIntent(TargetInfo target, Intent matchingIntent) { 645 final List<Intent> targetIntents = target.getAllSourceIntents(); 646 for (int i = 0, N = targetIntents.size(); i < N; i++) { 647 final Intent targetIntent = targetIntents.get(i); 648 if (targetIntent.filterEquals(matchingIntent)) { 649 return true; 650 } 651 } 652 return false; 653 } 654 filterServiceTargets(String packageName, List<ChooserTarget> targets)655 void filterServiceTargets(String packageName, List<ChooserTarget> targets) { 656 if (targets == null) { 657 return; 658 } 659 660 final PackageManager pm = getPackageManager(); 661 for (int i = targets.size() - 1; i >= 0; i--) { 662 final ChooserTarget target = targets.get(i); 663 final ComponentName targetName = target.getComponentName(); 664 if (packageName != null && packageName.equals(targetName.getPackageName())) { 665 // Anything from the original target's package is fine. 666 continue; 667 } 668 669 boolean remove; 670 try { 671 final ActivityInfo ai = pm.getActivityInfo(targetName, 0); 672 remove = !ai.exported || ai.permission != null; 673 } catch (NameNotFoundException e) { 674 Log.e(TAG, "Target " + target + " returned by " + packageName 675 + " component not found"); 676 remove = true; 677 } 678 679 if (remove) { 680 targets.remove(i); 681 } 682 } 683 } 684 685 public class ChooserListController extends ResolverListController { ChooserListController(Context context, PackageManager pm, Intent targetIntent, String referrerPackageName, int launchedFromUid)686 public ChooserListController(Context context, 687 PackageManager pm, 688 Intent targetIntent, 689 String referrerPackageName, 690 int launchedFromUid) { 691 super(context, pm, targetIntent, referrerPackageName, launchedFromUid); 692 } 693 694 @Override isComponentPinned(ComponentName name)695 boolean isComponentPinned(ComponentName name) { 696 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 697 } 698 699 @Override isComponentFiltered(ComponentName name)700 boolean isComponentFiltered(ComponentName name) { 701 if (mFilteredComponentNames == null) { 702 return false; 703 } 704 for (ComponentName filteredComponentName : mFilteredComponentNames) { 705 if (name.equals(filteredComponentName)) { 706 return true; 707 } 708 } 709 return false; 710 } 711 712 @Override getScore(DisplayResolveInfo target)713 public float getScore(DisplayResolveInfo target) { 714 if (target == null) { 715 return CALLER_TARGET_SCORE_BOOST; 716 } 717 float score = super.getScore(target); 718 if (target.isPinned()) { 719 score += PINNED_TARGET_SCORE_BOOST; 720 } 721 return score; 722 } 723 } 724 725 @Override createAdapter(Context context, List<Intent> payloadIntents, Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, boolean filterLastUsed)726 public ResolveListAdapter createAdapter(Context context, List<Intent> payloadIntents, 727 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 728 boolean filterLastUsed) { 729 final ChooserListAdapter adapter = new ChooserListAdapter(context, payloadIntents, 730 initialIntents, rList, launchedFromUid, filterLastUsed, createListController()); 731 return adapter; 732 } 733 734 @VisibleForTesting createListController()735 protected ResolverListController createListController() { 736 return new ChooserListController( 737 this, 738 mPm, 739 getTargetIntent(), 740 getReferrerPackageName(), 741 mLaunchedFromUid); 742 } 743 744 final class ChooserTargetInfo implements TargetInfo { 745 private final DisplayResolveInfo mSourceInfo; 746 private final ResolveInfo mBackupResolveInfo; 747 private final ChooserTarget mChooserTarget; 748 private Drawable mBadgeIcon = null; 749 private CharSequence mBadgeContentDescription; 750 private Drawable mDisplayIcon; 751 private final Intent mFillInIntent; 752 private final int mFillInFlags; 753 private final float mModifiedScore; 754 ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget, float modifiedScore)755 public ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget, 756 float modifiedScore) { 757 mSourceInfo = sourceInfo; 758 mChooserTarget = chooserTarget; 759 mModifiedScore = modifiedScore; 760 if (sourceInfo != null) { 761 final ResolveInfo ri = sourceInfo.getResolveInfo(); 762 if (ri != null) { 763 final ActivityInfo ai = ri.activityInfo; 764 if (ai != null && ai.applicationInfo != null) { 765 final PackageManager pm = getPackageManager(); 766 mBadgeIcon = pm.getApplicationIcon(ai.applicationInfo); 767 mBadgeContentDescription = pm.getApplicationLabel(ai.applicationInfo); 768 } 769 } 770 } 771 final Icon icon = chooserTarget.getIcon(); 772 // TODO do this in the background 773 mDisplayIcon = icon != null ? icon.loadDrawable(ChooserActivity.this) : null; 774 775 if (sourceInfo != null) { 776 mBackupResolveInfo = null; 777 } else { 778 mBackupResolveInfo = getPackageManager().resolveActivity(getResolvedIntent(), 0); 779 } 780 781 mFillInIntent = null; 782 mFillInFlags = 0; 783 } 784 ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags)785 private ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags) { 786 mSourceInfo = other.mSourceInfo; 787 mBackupResolveInfo = other.mBackupResolveInfo; 788 mChooserTarget = other.mChooserTarget; 789 mBadgeIcon = other.mBadgeIcon; 790 mBadgeContentDescription = other.mBadgeContentDescription; 791 mDisplayIcon = other.mDisplayIcon; 792 mFillInIntent = fillInIntent; 793 mFillInFlags = flags; 794 mModifiedScore = other.mModifiedScore; 795 } 796 getModifiedScore()797 public float getModifiedScore() { 798 return mModifiedScore; 799 } 800 801 @Override getResolvedIntent()802 public Intent getResolvedIntent() { 803 if (mSourceInfo != null) { 804 return mSourceInfo.getResolvedIntent(); 805 } 806 807 final Intent targetIntent = new Intent(getTargetIntent()); 808 targetIntent.setComponent(mChooserTarget.getComponentName()); 809 targetIntent.putExtras(mChooserTarget.getIntentExtras()); 810 return targetIntent; 811 } 812 813 @Override getResolvedComponentName()814 public ComponentName getResolvedComponentName() { 815 if (mSourceInfo != null) { 816 return mSourceInfo.getResolvedComponentName(); 817 } else if (mBackupResolveInfo != null) { 818 return new ComponentName(mBackupResolveInfo.activityInfo.packageName, 819 mBackupResolveInfo.activityInfo.name); 820 } 821 return null; 822 } 823 getBaseIntentToSend()824 private Intent getBaseIntentToSend() { 825 Intent result = getResolvedIntent(); 826 if (result == null) { 827 Log.e(TAG, "ChooserTargetInfo: no base intent available to send"); 828 } else { 829 result = new Intent(result); 830 if (mFillInIntent != null) { 831 result.fillIn(mFillInIntent, mFillInFlags); 832 } 833 result.fillIn(mReferrerFillInIntent, 0); 834 } 835 return result; 836 } 837 838 @Override start(Activity activity, Bundle options)839 public boolean start(Activity activity, Bundle options) { 840 throw new RuntimeException("ChooserTargets should be started as caller."); 841 } 842 843 @Override startAsCaller(Activity activity, Bundle options, int userId)844 public boolean startAsCaller(Activity activity, Bundle options, int userId) { 845 final Intent intent = getBaseIntentToSend(); 846 if (intent == null) { 847 return false; 848 } 849 intent.setComponent(mChooserTarget.getComponentName()); 850 intent.putExtras(mChooserTarget.getIntentExtras()); 851 852 // Important: we will ignore the target security checks in ActivityManager 853 // if and only if the ChooserTarget's target package is the same package 854 // where we got the ChooserTargetService that provided it. This lets a 855 // ChooserTargetService provide a non-exported or permission-guarded target 856 // to the chooser for the user to pick. 857 // 858 // If mSourceInfo is null, we got this ChooserTarget from the caller or elsewhere 859 // so we'll obey the caller's normal security checks. 860 final boolean ignoreTargetSecurity = mSourceInfo != null 861 && mSourceInfo.getResolvedComponentName().getPackageName() 862 .equals(mChooserTarget.getComponentName().getPackageName()); 863 activity.startActivityAsCaller(intent, options, ignoreTargetSecurity, userId); 864 return true; 865 } 866 867 @Override startAsUser(Activity activity, Bundle options, UserHandle user)868 public boolean startAsUser(Activity activity, Bundle options, UserHandle user) { 869 throw new RuntimeException("ChooserTargets should be started as caller."); 870 } 871 872 @Override getResolveInfo()873 public ResolveInfo getResolveInfo() { 874 return mSourceInfo != null ? mSourceInfo.getResolveInfo() : mBackupResolveInfo; 875 } 876 877 @Override getDisplayLabel()878 public CharSequence getDisplayLabel() { 879 return mChooserTarget.getTitle(); 880 } 881 882 @Override getExtendedInfo()883 public CharSequence getExtendedInfo() { 884 // ChooserTargets have badge icons, so we won't show the extended info to disambiguate. 885 return null; 886 } 887 888 @Override getDisplayIcon()889 public Drawable getDisplayIcon() { 890 return mDisplayIcon; 891 } 892 893 @Override getBadgeIcon()894 public Drawable getBadgeIcon() { 895 return mBadgeIcon; 896 } 897 898 @Override getBadgeContentDescription()899 public CharSequence getBadgeContentDescription() { 900 return mBadgeContentDescription; 901 } 902 903 @Override cloneFilledIn(Intent fillInIntent, int flags)904 public TargetInfo cloneFilledIn(Intent fillInIntent, int flags) { 905 return new ChooserTargetInfo(this, fillInIntent, flags); 906 } 907 908 @Override getAllSourceIntents()909 public List<Intent> getAllSourceIntents() { 910 final List<Intent> results = new ArrayList<>(); 911 if (mSourceInfo != null) { 912 // We only queried the service for the first one in our sourceinfo. 913 results.add(mSourceInfo.getAllSourceIntents().get(0)); 914 } 915 return results; 916 } 917 918 @Override isPinned()919 public boolean isPinned() { 920 return mSourceInfo != null ? mSourceInfo.isPinned() : false; 921 } 922 } 923 924 public class ChooserListAdapter extends ResolveListAdapter { 925 public static final int TARGET_BAD = -1; 926 public static final int TARGET_CALLER = 0; 927 public static final int TARGET_SERVICE = 1; 928 public static final int TARGET_STANDARD = 2; 929 930 private static final int MAX_SERVICE_TARGETS = 8; 931 private static final int MAX_TARGETS_PER_SERVICE = 4; 932 933 private final List<ChooserTargetInfo> mServiceTargets = new ArrayList<>(); 934 private final List<TargetInfo> mCallerTargets = new ArrayList<>(); 935 private boolean mShowServiceTargets; 936 937 private float mLateFee = 1.f; 938 939 private final BaseChooserTargetComparator mBaseTargetComparator 940 = new BaseChooserTargetComparator(); 941 ChooserListAdapter(Context context, List<Intent> payloadIntents, Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, boolean filterLastUsed, ResolverListController resolverListController)942 public ChooserListAdapter(Context context, List<Intent> payloadIntents, 943 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 944 boolean filterLastUsed, ResolverListController resolverListController) { 945 // Don't send the initial intents through the shared ResolverActivity path, 946 // we want to separate them into a different section. 947 super(context, payloadIntents, null, rList, launchedFromUid, filterLastUsed, 948 resolverListController); 949 950 if (initialIntents != null) { 951 final PackageManager pm = getPackageManager(); 952 for (int i = 0; i < initialIntents.length; i++) { 953 final Intent ii = initialIntents[i]; 954 if (ii == null) { 955 continue; 956 } 957 958 // We reimplement Intent#resolveActivityInfo here because if we have an 959 // implicit intent, we want the ResolveInfo returned by PackageManager 960 // instead of one we reconstruct ourselves. The ResolveInfo returned might 961 // have extra metadata and resolvePackageName set and we want to respect that. 962 ResolveInfo ri = null; 963 ActivityInfo ai = null; 964 final ComponentName cn = ii.getComponent(); 965 if (cn != null) { 966 try { 967 ai = pm.getActivityInfo(ii.getComponent(), 0); 968 ri = new ResolveInfo(); 969 ri.activityInfo = ai; 970 } catch (PackageManager.NameNotFoundException ignored) { 971 // ai will == null below 972 } 973 } 974 if (ai == null) { 975 ri = pm.resolveActivity(ii, PackageManager.MATCH_DEFAULT_ONLY); 976 ai = ri != null ? ri.activityInfo : null; 977 } 978 if (ai == null) { 979 Log.w(TAG, "No activity found for " + ii); 980 continue; 981 } 982 UserManager userManager = 983 (UserManager) getSystemService(Context.USER_SERVICE); 984 if (ii instanceof LabeledIntent) { 985 LabeledIntent li = (LabeledIntent)ii; 986 ri.resolvePackageName = li.getSourcePackage(); 987 ri.labelRes = li.getLabelResource(); 988 ri.nonLocalizedLabel = li.getNonLocalizedLabel(); 989 ri.icon = li.getIconResource(); 990 ri.iconResourceId = ri.icon; 991 } 992 if (userManager.isManagedProfile()) { 993 ri.noResourceId = true; 994 ri.icon = 0; 995 } 996 mCallerTargets.add(new DisplayResolveInfo(ii, ri, 997 ri.loadLabel(pm), null, ii)); 998 } 999 } 1000 } 1001 1002 @Override showsExtendedInfo(TargetInfo info)1003 public boolean showsExtendedInfo(TargetInfo info) { 1004 // We have badges so we don't need this text shown. 1005 return false; 1006 } 1007 1008 @Override isComponentPinned(ComponentName name)1009 public boolean isComponentPinned(ComponentName name) { 1010 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 1011 } 1012 1013 @Override onCreateView(ViewGroup parent)1014 public View onCreateView(ViewGroup parent) { 1015 return mInflater.inflate( 1016 com.android.internal.R.layout.resolve_grid_item, parent, false); 1017 } 1018 1019 @Override onListRebuilt()1020 public void onListRebuilt() { 1021 if (mServiceTargets != null) { 1022 pruneServiceTargets(); 1023 } 1024 if (DEBUG) Log.d(TAG, "List built querying services"); 1025 queryTargetServices(this); 1026 } 1027 1028 @Override shouldGetResolvedFilter()1029 public boolean shouldGetResolvedFilter() { 1030 return true; 1031 } 1032 1033 @Override getCount()1034 public int getCount() { 1035 return super.getCount() + getServiceTargetCount() + getCallerTargetCount(); 1036 } 1037 1038 @Override getUnfilteredCount()1039 public int getUnfilteredCount() { 1040 return super.getUnfilteredCount() + getServiceTargetCount() + getCallerTargetCount(); 1041 } 1042 getCallerTargetCount()1043 public int getCallerTargetCount() { 1044 return mCallerTargets.size(); 1045 } 1046 getServiceTargetCount()1047 public int getServiceTargetCount() { 1048 if (!mShowServiceTargets) { 1049 return 0; 1050 } 1051 return Math.min(mServiceTargets.size(), MAX_SERVICE_TARGETS); 1052 } 1053 getStandardTargetCount()1054 public int getStandardTargetCount() { 1055 return super.getCount(); 1056 } 1057 getPositionTargetType(int position)1058 public int getPositionTargetType(int position) { 1059 int offset = 0; 1060 1061 final int callerTargetCount = getCallerTargetCount(); 1062 if (position < callerTargetCount) { 1063 return TARGET_CALLER; 1064 } 1065 offset += callerTargetCount; 1066 1067 final int serviceTargetCount = getServiceTargetCount(); 1068 if (position - offset < serviceTargetCount) { 1069 return TARGET_SERVICE; 1070 } 1071 offset += serviceTargetCount; 1072 1073 final int standardTargetCount = super.getCount(); 1074 if (position - offset < standardTargetCount) { 1075 return TARGET_STANDARD; 1076 } 1077 1078 return TARGET_BAD; 1079 } 1080 1081 @Override getItem(int position)1082 public TargetInfo getItem(int position) { 1083 return targetInfoForPosition(position, true); 1084 } 1085 1086 @Override targetInfoForPosition(int position, boolean filtered)1087 public TargetInfo targetInfoForPosition(int position, boolean filtered) { 1088 int offset = 0; 1089 1090 final int callerTargetCount = getCallerTargetCount(); 1091 if (position < callerTargetCount) { 1092 return mCallerTargets.get(position); 1093 } 1094 offset += callerTargetCount; 1095 1096 final int serviceTargetCount = getServiceTargetCount(); 1097 if (position - offset < serviceTargetCount) { 1098 return mServiceTargets.get(position - offset); 1099 } 1100 offset += serviceTargetCount; 1101 1102 return filtered ? super.getItem(position - offset) 1103 : getDisplayInfoAt(position - offset); 1104 } 1105 addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets)1106 public void addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets) { 1107 if (DEBUG) Log.d(TAG, "addServiceResults " + origTarget + ", " + targets.size() 1108 + " targets"); 1109 final float parentScore = getScore(origTarget); 1110 Collections.sort(targets, mBaseTargetComparator); 1111 float lastScore = 0; 1112 for (int i = 0, N = Math.min(targets.size(), MAX_TARGETS_PER_SERVICE); i < N; i++) { 1113 final ChooserTarget target = targets.get(i); 1114 float targetScore = target.getScore(); 1115 targetScore *= parentScore; 1116 targetScore *= mLateFee; 1117 if (i > 0 && targetScore >= lastScore) { 1118 // Apply a decay so that the top app can't crowd out everything else. 1119 // This incents ChooserTargetServices to define what's truly better. 1120 targetScore = lastScore * 0.95f; 1121 } 1122 insertServiceTarget(new ChooserTargetInfo(origTarget, target, targetScore)); 1123 1124 if (DEBUG) { 1125 Log.d(TAG, " => " + target.toString() + " score=" + targetScore 1126 + " base=" + target.getScore() 1127 + " lastScore=" + lastScore 1128 + " parentScore=" + parentScore 1129 + " lateFee=" + mLateFee); 1130 } 1131 1132 lastScore = targetScore; 1133 } 1134 1135 mLateFee *= 0.95f; 1136 1137 notifyDataSetChanged(); 1138 } 1139 1140 /** 1141 * Set to true to reveal all service targets at once. 1142 */ setShowServiceTargets(boolean show)1143 public void setShowServiceTargets(boolean show) { 1144 if (show != mShowServiceTargets) { 1145 mShowServiceTargets = show; 1146 notifyDataSetChanged(); 1147 } 1148 } 1149 insertServiceTarget(ChooserTargetInfo chooserTargetInfo)1150 private void insertServiceTarget(ChooserTargetInfo chooserTargetInfo) { 1151 final float newScore = chooserTargetInfo.getModifiedScore(); 1152 for (int i = 0, N = mServiceTargets.size(); i < N; i++) { 1153 final ChooserTargetInfo serviceTarget = mServiceTargets.get(i); 1154 if (newScore > serviceTarget.getModifiedScore()) { 1155 mServiceTargets.add(i, chooserTargetInfo); 1156 return; 1157 } 1158 } 1159 mServiceTargets.add(chooserTargetInfo); 1160 } 1161 pruneServiceTargets()1162 private void pruneServiceTargets() { 1163 if (DEBUG) Log.d(TAG, "pruneServiceTargets"); 1164 for (int i = mServiceTargets.size() - 1; i >= 0; i--) { 1165 final ChooserTargetInfo cti = mServiceTargets.get(i); 1166 if (!hasResolvedTarget(cti.getResolveInfo())) { 1167 if (DEBUG) Log.d(TAG, " => " + i + " " + cti); 1168 mServiceTargets.remove(i); 1169 } 1170 } 1171 } 1172 } 1173 1174 static class BaseChooserTargetComparator implements Comparator<ChooserTarget> { 1175 @Override compare(ChooserTarget lhs, ChooserTarget rhs)1176 public int compare(ChooserTarget lhs, ChooserTarget rhs) { 1177 // Descending order 1178 return (int) Math.signum(rhs.getScore() - lhs.getScore()); 1179 } 1180 } 1181 1182 static class RowScale { 1183 private static final int DURATION = 400; 1184 1185 float mScale; 1186 ChooserRowAdapter mAdapter; 1187 private final ObjectAnimator mAnimator; 1188 1189 public static final FloatProperty<RowScale> PROPERTY = 1190 new FloatProperty<RowScale>("scale") { 1191 @Override 1192 public void setValue(RowScale object, float value) { 1193 object.mScale = value; 1194 object.mAdapter.notifyDataSetChanged(); 1195 } 1196 1197 @Override 1198 public Float get(RowScale object) { 1199 return object.mScale; 1200 } 1201 }; 1202 RowScale(@onNull ChooserRowAdapter adapter, float from, float to)1203 public RowScale(@NonNull ChooserRowAdapter adapter, float from, float to) { 1204 mAdapter = adapter; 1205 mScale = from; 1206 if (from == to) { 1207 mAnimator = null; 1208 return; 1209 } 1210 1211 mAnimator = ObjectAnimator.ofFloat(this, PROPERTY, from, to) 1212 .setDuration(DURATION); 1213 mAnimator.addListener(new AnimatorListenerAdapter() { 1214 @Override 1215 public void onAnimationStart(Animator animation) { 1216 mAdapter.onAnimationStart(); 1217 } 1218 @Override 1219 public void onAnimationEnd(Animator animation) { 1220 mAdapter.onAnimationEnd(); 1221 } 1222 }); 1223 } 1224 setInterpolator(Interpolator interpolator)1225 public RowScale setInterpolator(Interpolator interpolator) { 1226 if (mAnimator != null) { 1227 mAnimator.setInterpolator(interpolator); 1228 } 1229 return this; 1230 } 1231 get()1232 public float get() { 1233 return mScale; 1234 } 1235 startAnimation()1236 public void startAnimation() { 1237 if (mAnimator != null) { 1238 mAnimator.start(); 1239 } 1240 } 1241 cancelAnimation()1242 public void cancelAnimation() { 1243 if (mAnimator != null) { 1244 mAnimator.cancel(); 1245 } 1246 } 1247 } 1248 1249 class ChooserRowAdapter extends BaseAdapter { 1250 private ChooserListAdapter mChooserListAdapter; 1251 private final LayoutInflater mLayoutInflater; 1252 private final int mColumnCount = 4; 1253 private RowScale[] mServiceTargetScale; 1254 private final Interpolator mInterpolator; 1255 private int mAnimationCount = 0; 1256 ChooserRowAdapter(ChooserListAdapter wrappedAdapter)1257 public ChooserRowAdapter(ChooserListAdapter wrappedAdapter) { 1258 mChooserListAdapter = wrappedAdapter; 1259 mLayoutInflater = LayoutInflater.from(ChooserActivity.this); 1260 1261 mInterpolator = AnimationUtils.loadInterpolator(ChooserActivity.this, 1262 android.R.interpolator.decelerate_quint); 1263 1264 wrappedAdapter.registerDataSetObserver(new DataSetObserver() { 1265 @Override 1266 public void onChanged() { 1267 super.onChanged(); 1268 final int rcount = getServiceTargetRowCount(); 1269 if (mServiceTargetScale == null 1270 || mServiceTargetScale.length != rcount) { 1271 RowScale[] old = mServiceTargetScale; 1272 int oldRCount = old != null ? old.length : 0; 1273 mServiceTargetScale = new RowScale[rcount]; 1274 if (old != null && rcount > 0) { 1275 System.arraycopy(old, 0, mServiceTargetScale, 0, 1276 Math.min(old.length, rcount)); 1277 } 1278 1279 for (int i = rcount; i < oldRCount; i++) { 1280 old[i].cancelAnimation(); 1281 } 1282 1283 for (int i = oldRCount; i < rcount; i++) { 1284 final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f) 1285 .setInterpolator(mInterpolator); 1286 mServiceTargetScale[i] = rs; 1287 } 1288 1289 // Start the animations in a separate loop. 1290 // The process of starting animations will result in 1291 // binding views to set up initial values, and we must 1292 // have ALL of the new RowScale objects created above before 1293 // we get started. 1294 for (int i = oldRCount; i < rcount; i++) { 1295 mServiceTargetScale[i].startAnimation(); 1296 } 1297 } 1298 1299 notifyDataSetChanged(); 1300 } 1301 1302 @Override 1303 public void onInvalidated() { 1304 super.onInvalidated(); 1305 notifyDataSetInvalidated(); 1306 if (mServiceTargetScale != null) { 1307 for (RowScale rs : mServiceTargetScale) { 1308 rs.cancelAnimation(); 1309 } 1310 } 1311 } 1312 }); 1313 } 1314 getRowScale(int rowPosition)1315 private float getRowScale(int rowPosition) { 1316 final int start = getCallerTargetRowCount(); 1317 final int end = start + getServiceTargetRowCount(); 1318 if (rowPosition >= start && rowPosition < end) { 1319 return mServiceTargetScale[rowPosition - start].get(); 1320 } 1321 return 1.f; 1322 } 1323 onAnimationStart()1324 public void onAnimationStart() { 1325 final boolean lock = mAnimationCount == 0; 1326 mAnimationCount++; 1327 if (lock) { 1328 mResolverDrawerLayout.setDismissLocked(true); 1329 } 1330 } 1331 onAnimationEnd()1332 public void onAnimationEnd() { 1333 mAnimationCount--; 1334 if (mAnimationCount == 0) { 1335 mResolverDrawerLayout.setDismissLocked(false); 1336 } 1337 } 1338 1339 @Override getCount()1340 public int getCount() { 1341 return (int) ( 1342 getCallerTargetRowCount() 1343 + getServiceTargetRowCount() 1344 + Math.ceil((float) mChooserListAdapter.getStandardTargetCount() / mColumnCount) 1345 ); 1346 } 1347 getCallerTargetRowCount()1348 public int getCallerTargetRowCount() { 1349 return (int) Math.ceil( 1350 (float) mChooserListAdapter.getCallerTargetCount() / mColumnCount); 1351 } 1352 getServiceTargetRowCount()1353 public int getServiceTargetRowCount() { 1354 return (int) Math.ceil( 1355 (float) mChooserListAdapter.getServiceTargetCount() / mColumnCount); 1356 } 1357 1358 @Override getItem(int position)1359 public Object getItem(int position) { 1360 // We have nothing useful to return here. 1361 return position; 1362 } 1363 1364 @Override getItemId(int position)1365 public long getItemId(int position) { 1366 return position; 1367 } 1368 1369 @Override getView(int position, View convertView, ViewGroup parent)1370 public View getView(int position, View convertView, ViewGroup parent) { 1371 final RowViewHolder holder; 1372 if (convertView == null) { 1373 holder = createViewHolder(parent); 1374 } else { 1375 holder = (RowViewHolder) convertView.getTag(); 1376 } 1377 bindViewHolder(position, holder); 1378 1379 return holder.row; 1380 } 1381 createViewHolder(ViewGroup parent)1382 RowViewHolder createViewHolder(ViewGroup parent) { 1383 final ViewGroup row = (ViewGroup) mLayoutInflater.inflate(R.layout.chooser_row, 1384 parent, false); 1385 final RowViewHolder holder = new RowViewHolder(row, mColumnCount); 1386 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1387 1388 for (int i = 0; i < mColumnCount; i++) { 1389 final View v = mChooserListAdapter.createView(row); 1390 final int column = i; 1391 v.setOnClickListener(new OnClickListener() { 1392 @Override 1393 public void onClick(View v) { 1394 startSelected(holder.itemIndices[column], false, true); 1395 } 1396 }); 1397 v.setOnLongClickListener(new OnLongClickListener() { 1398 @Override 1399 public boolean onLongClick(View v) { 1400 showTargetDetails( 1401 mChooserListAdapter.resolveInfoForPosition( 1402 holder.itemIndices[column], true)); 1403 return true; 1404 } 1405 }); 1406 row.addView(v); 1407 holder.cells[i] = v; 1408 1409 // Force height to be a given so we don't have visual disruption during scaling. 1410 LayoutParams lp = v.getLayoutParams(); 1411 v.measure(spec, spec); 1412 if (lp == null) { 1413 lp = new LayoutParams(LayoutParams.MATCH_PARENT, v.getMeasuredHeight()); 1414 row.setLayoutParams(lp); 1415 } else { 1416 lp.height = v.getMeasuredHeight(); 1417 } 1418 if (i != (mColumnCount - 1)) { 1419 row.addView(new Space(ChooserActivity.this), 1420 new LinearLayout.LayoutParams(0, 0, 1)); 1421 } 1422 } 1423 1424 // Pre-measure so we can scale later. 1425 holder.measure(); 1426 LayoutParams lp = row.getLayoutParams(); 1427 if (lp == null) { 1428 lp = new LayoutParams(LayoutParams.MATCH_PARENT, holder.measuredRowHeight); 1429 row.setLayoutParams(lp); 1430 } else { 1431 lp.height = holder.measuredRowHeight; 1432 } 1433 row.setTag(holder); 1434 return holder; 1435 } 1436 bindViewHolder(int rowPosition, RowViewHolder holder)1437 void bindViewHolder(int rowPosition, RowViewHolder holder) { 1438 final int start = getFirstRowPosition(rowPosition); 1439 final int startType = mChooserListAdapter.getPositionTargetType(start); 1440 1441 int end = start + mColumnCount - 1; 1442 while (mChooserListAdapter.getPositionTargetType(end) != startType && end >= start) { 1443 end--; 1444 } 1445 1446 if (startType == ChooserListAdapter.TARGET_SERVICE) { 1447 holder.row.setBackgroundColor( 1448 getColor(R.color.chooser_service_row_background_color)); 1449 int nextStartType = mChooserListAdapter.getPositionTargetType( 1450 getFirstRowPosition(rowPosition + 1)); 1451 int serviceSpacing = holder.row.getContext().getResources() 1452 .getDimensionPixelSize(R.dimen.chooser_service_spacing); 1453 if (rowPosition == 0 && nextStartType != ChooserListAdapter.TARGET_SERVICE) { 1454 // if the row is the only row for target service 1455 setVertPadding(holder, 0, 0); 1456 } else { 1457 int top = rowPosition == 0 ? serviceSpacing : 0; 1458 if (nextStartType != ChooserListAdapter.TARGET_SERVICE) { 1459 setVertPadding(holder, top, serviceSpacing); 1460 } else { 1461 setVertPadding(holder, top, 0); 1462 } 1463 } 1464 } else { 1465 holder.row.setBackgroundColor(Color.TRANSPARENT); 1466 int lastStartType = mChooserListAdapter.getPositionTargetType( 1467 getFirstRowPosition(rowPosition - 1)); 1468 if (lastStartType == ChooserListAdapter.TARGET_SERVICE || rowPosition == 0) { 1469 int serviceSpacing = holder.row.getContext().getResources() 1470 .getDimensionPixelSize(R.dimen.chooser_service_spacing); 1471 setVertPadding(holder, serviceSpacing, 0); 1472 } else { 1473 setVertPadding(holder, 0, 0); 1474 } 1475 } 1476 1477 final int oldHeight = holder.row.getLayoutParams().height; 1478 holder.row.getLayoutParams().height = Math.max(1, 1479 (int) (holder.measuredRowHeight * getRowScale(rowPosition))); 1480 if (holder.row.getLayoutParams().height != oldHeight) { 1481 holder.row.requestLayout(); 1482 } 1483 1484 for (int i = 0; i < mColumnCount; i++) { 1485 final View v = holder.cells[i]; 1486 if (start + i <= end) { 1487 v.setVisibility(View.VISIBLE); 1488 holder.itemIndices[i] = start + i; 1489 mChooserListAdapter.bindView(holder.itemIndices[i], v); 1490 } else { 1491 v.setVisibility(View.INVISIBLE); 1492 } 1493 } 1494 } 1495 setVertPadding(RowViewHolder holder, int top, int bottom)1496 private void setVertPadding(RowViewHolder holder, int top, int bottom) { 1497 holder.row.setPadding(holder.row.getPaddingLeft(), top, 1498 holder.row.getPaddingRight(), bottom); 1499 } 1500 getFirstRowPosition(int row)1501 int getFirstRowPosition(int row) { 1502 final int callerCount = mChooserListAdapter.getCallerTargetCount(); 1503 final int callerRows = (int) Math.ceil((float) callerCount / mColumnCount); 1504 1505 if (row < callerRows) { 1506 return row * mColumnCount; 1507 } 1508 1509 final int serviceCount = mChooserListAdapter.getServiceTargetCount(); 1510 final int serviceRows = (int) Math.ceil((float) serviceCount / mColumnCount); 1511 1512 if (row < callerRows + serviceRows) { 1513 return callerCount + (row - callerRows) * mColumnCount; 1514 } 1515 1516 return callerCount + serviceCount 1517 + (row - callerRows - serviceRows) * mColumnCount; 1518 } 1519 } 1520 1521 static class RowViewHolder { 1522 final View[] cells; 1523 final ViewGroup row; 1524 int measuredRowHeight; 1525 int[] itemIndices; 1526 RowViewHolder(ViewGroup row, int cellCount)1527 public RowViewHolder(ViewGroup row, int cellCount) { 1528 this.row = row; 1529 this.cells = new View[cellCount]; 1530 this.itemIndices = new int[cellCount]; 1531 } 1532 measure()1533 public void measure() { 1534 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1535 row.measure(spec, spec); 1536 measuredRowHeight = row.getMeasuredHeight(); 1537 } 1538 } 1539 1540 static class ChooserTargetServiceConnection implements ServiceConnection { 1541 private DisplayResolveInfo mOriginalTarget; 1542 private ComponentName mConnectedComponent; 1543 private ChooserActivity mChooserActivity; 1544 private final Object mLock = new Object(); 1545 1546 private final IChooserTargetResult mChooserTargetResult = new IChooserTargetResult.Stub() { 1547 @Override 1548 public void sendResult(List<ChooserTarget> targets) throws RemoteException { 1549 synchronized (mLock) { 1550 if (mChooserActivity == null) { 1551 Log.e(TAG, "destroyed ChooserTargetServiceConnection received result from " 1552 + mConnectedComponent + "; ignoring..."); 1553 return; 1554 } 1555 mChooserActivity.filterServiceTargets( 1556 mOriginalTarget.getResolveInfo().activityInfo.packageName, targets); 1557 final Message msg = Message.obtain(); 1558 msg.what = CHOOSER_TARGET_SERVICE_RESULT; 1559 msg.obj = new ServiceResultInfo(mOriginalTarget, targets, 1560 ChooserTargetServiceConnection.this); 1561 mChooserActivity.mChooserHandler.sendMessage(msg); 1562 } 1563 } 1564 }; 1565 ChooserTargetServiceConnection(ChooserActivity chooserActivity, DisplayResolveInfo dri)1566 public ChooserTargetServiceConnection(ChooserActivity chooserActivity, 1567 DisplayResolveInfo dri) { 1568 mChooserActivity = chooserActivity; 1569 mOriginalTarget = dri; 1570 } 1571 1572 @Override onServiceConnected(ComponentName name, IBinder service)1573 public void onServiceConnected(ComponentName name, IBinder service) { 1574 if (DEBUG) Log.d(TAG, "onServiceConnected: " + name); 1575 synchronized (mLock) { 1576 if (mChooserActivity == null) { 1577 Log.e(TAG, "destroyed ChooserTargetServiceConnection got onServiceConnected"); 1578 return; 1579 } 1580 1581 final IChooserTargetService icts = IChooserTargetService.Stub.asInterface(service); 1582 try { 1583 icts.getChooserTargets(mOriginalTarget.getResolvedComponentName(), 1584 mOriginalTarget.getResolveInfo().filter, mChooserTargetResult); 1585 } catch (RemoteException e) { 1586 Log.e(TAG, "Querying ChooserTargetService " + name + " failed.", e); 1587 mChooserActivity.unbindService(this); 1588 mChooserActivity.mServiceConnections.remove(this); 1589 destroy(); 1590 } 1591 } 1592 } 1593 1594 @Override onServiceDisconnected(ComponentName name)1595 public void onServiceDisconnected(ComponentName name) { 1596 if (DEBUG) Log.d(TAG, "onServiceDisconnected: " + name); 1597 synchronized (mLock) { 1598 if (mChooserActivity == null) { 1599 Log.e(TAG, 1600 "destroyed ChooserTargetServiceConnection got onServiceDisconnected"); 1601 return; 1602 } 1603 1604 mChooserActivity.unbindService(this); 1605 mChooserActivity.mServiceConnections.remove(this); 1606 if (mChooserActivity.mServiceConnections.isEmpty()) { 1607 mChooserActivity.mChooserHandler.removeMessages( 1608 CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 1609 mChooserActivity.sendVoiceChoicesIfNeeded(); 1610 } 1611 mConnectedComponent = null; 1612 destroy(); 1613 } 1614 } 1615 destroy()1616 public void destroy() { 1617 synchronized (mLock) { 1618 mChooserActivity = null; 1619 mOriginalTarget = null; 1620 } 1621 } 1622 1623 @Override toString()1624 public String toString() { 1625 return "ChooserTargetServiceConnection{service=" 1626 + mConnectedComponent + ", activity=" 1627 + (mOriginalTarget != null 1628 ? mOriginalTarget.getResolveInfo().activityInfo.toString() 1629 : "<connection destroyed>") + "}"; 1630 } 1631 } 1632 1633 static class ServiceResultInfo { 1634 public final DisplayResolveInfo originalTarget; 1635 public final List<ChooserTarget> resultTargets; 1636 public final ChooserTargetServiceConnection connection; 1637 ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt, ChooserTargetServiceConnection c)1638 public ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt, 1639 ChooserTargetServiceConnection c) { 1640 originalTarget = ot; 1641 resultTargets = rt; 1642 connection = c; 1643 } 1644 } 1645 1646 static class RefinementResultReceiver extends ResultReceiver { 1647 private ChooserActivity mChooserActivity; 1648 private TargetInfo mSelectedTarget; 1649 RefinementResultReceiver(ChooserActivity host, TargetInfo target, Handler handler)1650 public RefinementResultReceiver(ChooserActivity host, TargetInfo target, 1651 Handler handler) { 1652 super(handler); 1653 mChooserActivity = host; 1654 mSelectedTarget = target; 1655 } 1656 1657 @Override onReceiveResult(int resultCode, Bundle resultData)1658 protected void onReceiveResult(int resultCode, Bundle resultData) { 1659 if (mChooserActivity == null) { 1660 Log.e(TAG, "Destroyed RefinementResultReceiver received a result"); 1661 return; 1662 } 1663 if (resultData == null) { 1664 Log.e(TAG, "RefinementResultReceiver received null resultData"); 1665 return; 1666 } 1667 1668 switch (resultCode) { 1669 case RESULT_CANCELED: 1670 mChooserActivity.onRefinementCanceled(); 1671 break; 1672 case RESULT_OK: 1673 Parcelable intentParcelable = resultData.getParcelable(Intent.EXTRA_INTENT); 1674 if (intentParcelable instanceof Intent) { 1675 mChooserActivity.onRefinementResult(mSelectedTarget, 1676 (Intent) intentParcelable); 1677 } else { 1678 Log.e(TAG, "RefinementResultReceiver received RESULT_OK but no Intent" 1679 + " in resultData with key Intent.EXTRA_INTENT"); 1680 } 1681 break; 1682 default: 1683 Log.w(TAG, "Unknown result code " + resultCode 1684 + " sent to RefinementResultReceiver"); 1685 break; 1686 } 1687 } 1688 destroy()1689 public void destroy() { 1690 mChooserActivity = null; 1691 mSelectedTarget = null; 1692 } 1693 } 1694 1695 class OffsetDataSetObserver extends DataSetObserver { 1696 private final AbsListView mListView; 1697 private int mCachedViewType = -1; 1698 private View mCachedView; 1699 OffsetDataSetObserver(AbsListView listView)1700 public OffsetDataSetObserver(AbsListView listView) { 1701 mListView = listView; 1702 } 1703 1704 @Override onChanged()1705 public void onChanged() { 1706 if (mResolverDrawerLayout == null) { 1707 return; 1708 } 1709 1710 final int chooserTargetRows = mChooserRowAdapter.getServiceTargetRowCount(); 1711 int offset = 0; 1712 for (int i = 0; i < chooserTargetRows; i++) { 1713 final int pos = mChooserRowAdapter.getCallerTargetRowCount() + i; 1714 final int vt = mChooserRowAdapter.getItemViewType(pos); 1715 if (vt != mCachedViewType) { 1716 mCachedView = null; 1717 } 1718 final View v = mChooserRowAdapter.getView(pos, mCachedView, mListView); 1719 int height = ((RowViewHolder) (v.getTag())).measuredRowHeight; 1720 1721 offset += (int) (height * mChooserRowAdapter.getRowScale(pos)); 1722 1723 if (vt >= 0) { 1724 mCachedViewType = vt; 1725 mCachedView = v; 1726 } else { 1727 mCachedViewType = -1; 1728 } 1729 } 1730 1731 mResolverDrawerLayout.setCollapsibleHeightReserved(offset); 1732 } 1733 } 1734 } 1735