ChooserActivity.java revision f631ef769ad718f9ce52955d67623fa67a942cd5
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 17package com.android.internal.app; 18 19import android.animation.ObjectAnimator; 20import android.annotation.NonNull; 21import android.app.Activity; 22import android.app.usage.UsageStatsManager; 23import android.content.ComponentName; 24import android.content.Context; 25import android.content.Intent; 26import android.content.IntentSender; 27import android.content.IntentSender.SendIntentException; 28import android.content.ServiceConnection; 29import android.content.SharedPreferences; 30import android.content.pm.ActivityInfo; 31import android.content.pm.LabeledIntent; 32import android.content.pm.PackageManager; 33import android.content.pm.PackageManager.NameNotFoundException; 34import android.content.pm.ResolveInfo; 35import android.database.DataSetObserver; 36import android.graphics.Color; 37import android.graphics.drawable.Drawable; 38import android.graphics.drawable.Icon; 39import android.os.Bundle; 40import android.os.Environment; 41import android.os.Handler; 42import android.os.IBinder; 43import android.os.Message; 44import android.os.Parcelable; 45import android.os.Process; 46import android.os.RemoteException; 47import android.os.ResultReceiver; 48import android.os.UserHandle; 49import android.os.UserManager; 50import android.os.storage.StorageManager; 51import android.service.chooser.ChooserTarget; 52import android.service.chooser.ChooserTargetService; 53import android.service.chooser.IChooserTargetResult; 54import android.service.chooser.IChooserTargetService; 55import android.text.TextUtils; 56import android.util.FloatProperty; 57import android.util.Log; 58import android.util.Slog; 59import android.view.LayoutInflater; 60import android.view.View; 61import android.view.View.MeasureSpec; 62import android.view.View.OnClickListener; 63import android.view.View.OnLongClickListener; 64import android.view.ViewGroup; 65import android.view.ViewGroup.LayoutParams; 66import android.view.animation.AnimationUtils; 67import android.view.animation.Interpolator; 68import android.widget.AbsListView; 69import android.widget.BaseAdapter; 70import android.widget.ListView; 71import com.android.internal.R; 72import com.android.internal.annotations.VisibleForTesting; 73import com.android.internal.app.ResolverActivity.TargetInfo; 74import com.android.internal.logging.MetricsLogger; 75import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 76import com.google.android.collect.Lists; 77 78import java.io.File; 79import java.util.ArrayList; 80import java.util.Collections; 81import java.util.Comparator; 82import java.util.List; 83 84public class ChooserActivity extends ResolverActivity { 85 private static final String TAG = "ChooserActivity"; 86 87 /** 88 * Boolean extra to change the following behavior: Normally, ChooserActivity finishes itself 89 * in onStop when launched in a new task. If this extra is set to true, we do not finish 90 * ourselves when onStop gets called. 91 */ 92 public static final String EXTRA_PRIVATE_RETAIN_IN_ON_STOP 93 = "com.android.internal.app.ChooserActivity.EXTRA_PRIVATE_RETAIN_IN_ON_STOP"; 94 95 private static final boolean DEBUG = false; 96 97 private static final int QUERY_TARGET_SERVICE_LIMIT = 5; 98 private static final int WATCHDOG_TIMEOUT_MILLIS = 5000; 99 100 private Bundle mReplacementExtras; 101 private IntentSender mChosenComponentSender; 102 private IntentSender mRefinementIntentSender; 103 private RefinementResultReceiver mRefinementResultReceiver; 104 private ChooserTarget[] mCallerChooserTargets; 105 private ComponentName[] mFilteredComponentNames; 106 107 private Intent mReferrerFillInIntent; 108 109 private long mChooserShownTime; 110 protected boolean mIsSuccessfullySelected; 111 112 private ChooserListAdapter mChooserListAdapter; 113 private ChooserRowAdapter mChooserRowAdapter; 114 115 private SharedPreferences mPinnedSharedPrefs; 116 private static final float PINNED_TARGET_SCORE_BOOST = 1000.f; 117 private static final float CALLER_TARGET_SCORE_BOOST = 900.f; 118 private static final String PINNED_SHARED_PREFS_NAME = "chooser_pin_settings"; 119 private static final String TARGET_DETAILS_FRAGMENT_TAG = "targetDetailsFragment"; 120 121 private final List<ChooserTargetServiceConnection> mServiceConnections = new ArrayList<>(); 122 123 private static final int CHOOSER_TARGET_SERVICE_RESULT = 1; 124 private static final int CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT = 2; 125 126 private final Handler mChooserHandler = new Handler() { 127 @Override 128 public void handleMessage(Message msg) { 129 switch (msg.what) { 130 case CHOOSER_TARGET_SERVICE_RESULT: 131 if (DEBUG) Log.d(TAG, "CHOOSER_TARGET_SERVICE_RESULT"); 132 if (isDestroyed()) break; 133 final ServiceResultInfo sri = (ServiceResultInfo) msg.obj; 134 if (!mServiceConnections.contains(sri.connection)) { 135 Log.w(TAG, "ChooserTargetServiceConnection " + sri.connection 136 + " returned after being removed from active connections." 137 + " Have you considered returning results faster?"); 138 break; 139 } 140 if (sri.resultTargets != null) { 141 mChooserListAdapter.addServiceResults(sri.originalTarget, 142 sri.resultTargets); 143 } 144 unbindService(sri.connection); 145 sri.connection.destroy(); 146 mServiceConnections.remove(sri.connection); 147 if (mServiceConnections.isEmpty()) { 148 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 149 sendVoiceChoicesIfNeeded(); 150 mChooserListAdapter.setShowServiceTargets(true); 151 } 152 break; 153 154 case CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT: 155 if (DEBUG) { 156 Log.d(TAG, "CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT; unbinding services"); 157 } 158 unbindRemainingServices(); 159 sendVoiceChoicesIfNeeded(); 160 mChooserListAdapter.setShowServiceTargets(true); 161 break; 162 163 default: 164 super.handleMessage(msg); 165 } 166 } 167 }; 168 169 @Override 170 protected void onCreate(Bundle savedInstanceState) { 171 final long intentReceivedTime = System.currentTimeMillis(); 172 mIsSuccessfullySelected = false; 173 Intent intent = getIntent(); 174 Parcelable targetParcelable = intent.getParcelableExtra(Intent.EXTRA_INTENT); 175 if (!(targetParcelable instanceof Intent)) { 176 Log.w("ChooserActivity", "Target is not an intent: " + targetParcelable); 177 finish(); 178 super.onCreate(null); 179 return; 180 } 181 Intent target = (Intent) targetParcelable; 182 if (target != null) { 183 modifyTargetIntent(target); 184 } 185 Parcelable[] targetsParcelable 186 = intent.getParcelableArrayExtra(Intent.EXTRA_ALTERNATE_INTENTS); 187 if (targetsParcelable != null) { 188 final boolean offset = target == null; 189 Intent[] additionalTargets = 190 new Intent[offset ? targetsParcelable.length - 1 : targetsParcelable.length]; 191 for (int i = 0; i < targetsParcelable.length; i++) { 192 if (!(targetsParcelable[i] instanceof Intent)) { 193 Log.w(TAG, "EXTRA_ALTERNATE_INTENTS array entry #" + i + " is not an Intent: " 194 + targetsParcelable[i]); 195 finish(); 196 super.onCreate(null); 197 return; 198 } 199 final Intent additionalTarget = (Intent) targetsParcelable[i]; 200 if (i == 0 && target == null) { 201 target = additionalTarget; 202 modifyTargetIntent(target); 203 } else { 204 additionalTargets[offset ? i - 1 : i] = additionalTarget; 205 modifyTargetIntent(additionalTarget); 206 } 207 } 208 setAdditionalTargets(additionalTargets); 209 } 210 211 mReplacementExtras = intent.getBundleExtra(Intent.EXTRA_REPLACEMENT_EXTRAS); 212 CharSequence title = intent.getCharSequenceExtra(Intent.EXTRA_TITLE); 213 int defaultTitleRes = 0; 214 if (title == null) { 215 defaultTitleRes = com.android.internal.R.string.chooseActivity; 216 } 217 Parcelable[] pa = intent.getParcelableArrayExtra(Intent.EXTRA_INITIAL_INTENTS); 218 Intent[] initialIntents = null; 219 if (pa != null) { 220 initialIntents = new Intent[pa.length]; 221 for (int i=0; i<pa.length; i++) { 222 if (!(pa[i] instanceof Intent)) { 223 Log.w(TAG, "Initial intent #" + i + " not an Intent: " + pa[i]); 224 finish(); 225 super.onCreate(null); 226 return; 227 } 228 final Intent in = (Intent) pa[i]; 229 modifyTargetIntent(in); 230 initialIntents[i] = in; 231 } 232 } 233 234 mReferrerFillInIntent = new Intent().putExtra(Intent.EXTRA_REFERRER, getReferrer()); 235 236 mChosenComponentSender = intent.getParcelableExtra( 237 Intent.EXTRA_CHOSEN_COMPONENT_INTENT_SENDER); 238 mRefinementIntentSender = intent.getParcelableExtra( 239 Intent.EXTRA_CHOOSER_REFINEMENT_INTENT_SENDER); 240 setSafeForwardingMode(true); 241 242 pa = intent.getParcelableArrayExtra(Intent.EXTRA_EXCLUDE_COMPONENTS); 243 if (pa != null) { 244 ComponentName[] names = new ComponentName[pa.length]; 245 for (int i = 0; i < pa.length; i++) { 246 if (!(pa[i] instanceof ComponentName)) { 247 Log.w(TAG, "Filtered component #" + i + " not a ComponentName: " + pa[i]); 248 names = null; 249 break; 250 } 251 names[i] = (ComponentName) pa[i]; 252 } 253 mFilteredComponentNames = names; 254 } 255 256 pa = intent.getParcelableArrayExtra(Intent.EXTRA_CHOOSER_TARGETS); 257 if (pa != null) { 258 ChooserTarget[] targets = new ChooserTarget[pa.length]; 259 for (int i = 0; i < pa.length; i++) { 260 if (!(pa[i] instanceof ChooserTarget)) { 261 Log.w(TAG, "Chooser target #" + i + " not a ChooserTarget: " + pa[i]); 262 targets = null; 263 break; 264 } 265 targets[i] = (ChooserTarget) pa[i]; 266 } 267 mCallerChooserTargets = targets; 268 } 269 270 mPinnedSharedPrefs = getPinnedSharedPrefs(this); 271 setRetainInOnStop(intent.getBooleanExtra(EXTRA_PRIVATE_RETAIN_IN_ON_STOP, false)); 272 super.onCreate(savedInstanceState, target, title, defaultTitleRes, initialIntents, 273 null, false); 274 275 MetricsLogger.action(this, MetricsEvent.ACTION_ACTIVITY_CHOOSER_SHOWN); 276 277 mChooserShownTime = System.currentTimeMillis(); 278 final long systemCost = mChooserShownTime - intentReceivedTime; 279 MetricsLogger.histogram(null, "system_cost_for_smart_sharing", (int) systemCost); 280 if (DEBUG) { 281 Log.d(TAG, "System Time Cost is " + systemCost); 282 } 283 } 284 285 static SharedPreferences getPinnedSharedPrefs(Context context) { 286 // The code below is because in the android:ui process, no one can hear you scream. 287 // The package info in the context isn't initialized in the way it is for normal apps, 288 // so the standard, name-based context.getSharedPreferences doesn't work. Instead, we 289 // build the path manually below using the same policy that appears in ContextImpl. 290 // This fails silently under the hood if there's a problem, so if we find ourselves in 291 // the case where we don't have access to credential encrypted storage we just won't 292 // have our pinned target info. 293 final File prefsFile = new File(new File( 294 Environment.getDataUserCePackageDirectory(StorageManager.UUID_PRIVATE_INTERNAL, 295 context.getUserId(), context.getPackageName()), 296 "shared_prefs"), 297 PINNED_SHARED_PREFS_NAME + ".xml"); 298 return context.getSharedPreferences(prefsFile, MODE_PRIVATE); 299 } 300 301 @Override 302 protected void onDestroy() { 303 super.onDestroy(); 304 if (mRefinementResultReceiver != null) { 305 mRefinementResultReceiver.destroy(); 306 mRefinementResultReceiver = null; 307 } 308 unbindRemainingServices(); 309 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_RESULT); 310 } 311 312 @Override 313 public Intent getReplacementIntent(ActivityInfo aInfo, Intent defIntent) { 314 Intent result = defIntent; 315 if (mReplacementExtras != null) { 316 final Bundle replExtras = mReplacementExtras.getBundle(aInfo.packageName); 317 if (replExtras != null) { 318 result = new Intent(defIntent); 319 result.putExtras(replExtras); 320 } 321 } 322 if (aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_PARENT) 323 || aInfo.name.equals(IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE)) { 324 result = Intent.createChooser(result, 325 getIntent().getCharSequenceExtra(Intent.EXTRA_TITLE)); 326 327 // Don't auto-launch single intents if the intent is being forwarded. This is done 328 // because automatically launching a resolving application as a response to the user 329 // action of switching accounts is pretty unexpected. 330 result.putExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, false); 331 } 332 return result; 333 } 334 335 @Override 336 public void onActivityStarted(TargetInfo cti) { 337 if (mChosenComponentSender != null) { 338 final ComponentName target = cti.getResolvedComponentName(); 339 if (target != null) { 340 final Intent fillIn = new Intent().putExtra(Intent.EXTRA_CHOSEN_COMPONENT, target); 341 try { 342 mChosenComponentSender.sendIntent(this, Activity.RESULT_OK, fillIn, null, null); 343 } catch (IntentSender.SendIntentException e) { 344 Slog.e(TAG, "Unable to launch supplied IntentSender to report " 345 + "the chosen component: " + e); 346 } 347 } 348 } 349 } 350 351 @Override 352 public void onPrepareAdapterView(AbsListView adapterView, ResolveListAdapter adapter) { 353 final ListView listView = adapterView instanceof ListView ? (ListView) adapterView : null; 354 mChooserListAdapter = (ChooserListAdapter) adapter; 355 if (mCallerChooserTargets != null && mCallerChooserTargets.length > 0) { 356 mChooserListAdapter.addServiceResults(null, Lists.newArrayList(mCallerChooserTargets)); 357 } 358 mChooserRowAdapter = new ChooserRowAdapter(mChooserListAdapter); 359 mChooserRowAdapter.registerDataSetObserver(new OffsetDataSetObserver(adapterView)); 360 adapterView.setAdapter(mChooserRowAdapter); 361 if (listView != null) { 362 listView.setItemsCanFocus(true); 363 } 364 } 365 366 @Override 367 public int getLayoutResource() { 368 return R.layout.chooser_grid; 369 } 370 371 @Override 372 public boolean shouldGetActivityMetadata() { 373 return true; 374 } 375 376 @Override 377 public boolean shouldAutoLaunchSingleChoice(TargetInfo target) { 378 // Note that this is only safe because the Intent handled by the ChooserActivity is 379 // guaranteed to contain no extras unknown to the local ClassLoader. That is why this 380 // method can not be replaced in the ResolverActivity whole hog. 381 return getIntent().getBooleanExtra(Intent.EXTRA_AUTO_LAUNCH_SINGLE_CHOICE, 382 super.shouldAutoLaunchSingleChoice(target)); 383 } 384 385 @Override 386 public void showTargetDetails(ResolveInfo ri) { 387 ComponentName name = ri.activityInfo.getComponentName(); 388 boolean pinned = mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 389 ResolverTargetActionsDialogFragment f = 390 new ResolverTargetActionsDialogFragment(ri.loadLabel(getPackageManager()), 391 name, pinned); 392 f.show(getFragmentManager(), TARGET_DETAILS_FRAGMENT_TAG); 393 } 394 395 private void modifyTargetIntent(Intent in) { 396 final String action = in.getAction(); 397 if (Intent.ACTION_SEND.equals(action) || 398 Intent.ACTION_SEND_MULTIPLE.equals(action)) { 399 in.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | 400 Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 401 } 402 } 403 404 @Override 405 protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) { 406 if (mRefinementIntentSender != null) { 407 final Intent fillIn = new Intent(); 408 final List<Intent> sourceIntents = target.getAllSourceIntents(); 409 if (!sourceIntents.isEmpty()) { 410 fillIn.putExtra(Intent.EXTRA_INTENT, sourceIntents.get(0)); 411 if (sourceIntents.size() > 1) { 412 final Intent[] alts = new Intent[sourceIntents.size() - 1]; 413 for (int i = 1, N = sourceIntents.size(); i < N; i++) { 414 alts[i - 1] = sourceIntents.get(i); 415 } 416 fillIn.putExtra(Intent.EXTRA_ALTERNATE_INTENTS, alts); 417 } 418 if (mRefinementResultReceiver != null) { 419 mRefinementResultReceiver.destroy(); 420 } 421 mRefinementResultReceiver = new RefinementResultReceiver(this, target, null); 422 fillIn.putExtra(Intent.EXTRA_RESULT_RECEIVER, 423 mRefinementResultReceiver); 424 try { 425 mRefinementIntentSender.sendIntent(this, 0, fillIn, null, null); 426 return false; 427 } catch (SendIntentException e) { 428 Log.e(TAG, "Refinement IntentSender failed to send", e); 429 } 430 } 431 } 432 updateModelAndChooserCounts(target); 433 return super.onTargetSelected(target, alwaysCheck); 434 } 435 436 @Override 437 public void startSelected(int which, boolean always, boolean filtered) { 438 final long selectionCost = System.currentTimeMillis() - mChooserShownTime; 439 super.startSelected(which, always, filtered); 440 441 if (mChooserListAdapter != null) { 442 // Log the index of which type of target the user picked. 443 // Lower values mean the ranking was better. 444 int cat = 0; 445 int value = which; 446 switch (mChooserListAdapter.getPositionTargetType(which)) { 447 case ChooserListAdapter.TARGET_CALLER: 448 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_APP_TARGET; 449 break; 450 case ChooserListAdapter.TARGET_SERVICE: 451 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_SERVICE_TARGET; 452 value -= mChooserListAdapter.getCallerTargetCount(); 453 break; 454 case ChooserListAdapter.TARGET_STANDARD: 455 cat = MetricsEvent.ACTION_ACTIVITY_CHOOSER_PICKED_STANDARD_TARGET; 456 value -= mChooserListAdapter.getCallerTargetCount() 457 + mChooserListAdapter.getServiceTargetCount(); 458 break; 459 } 460 461 if (cat != 0) { 462 MetricsLogger.action(this, cat, value); 463 } 464 465 if (mIsSuccessfullySelected) { 466 if (DEBUG) { 467 Log.d(TAG, "User Selection Time Cost is " + selectionCost); 468 Log.d(TAG, "position of selected app/service/caller is " + 469 Integer.toString(value)); 470 } 471 MetricsLogger.histogram(null, "user_selection_cost_for_smart_sharing", 472 (int) selectionCost); 473 MetricsLogger.histogram(null, "app_position_for_smart_sharing", value); 474 } 475 } 476 } 477 478 void queryTargetServices(ChooserListAdapter adapter) { 479 final PackageManager pm = getPackageManager(); 480 int targetsToQuery = 0; 481 for (int i = 0, N = adapter.getDisplayResolveInfoCount(); i < N; i++) { 482 final DisplayResolveInfo dri = adapter.getDisplayResolveInfo(i); 483 if (adapter.getScore(dri) == 0) { 484 // A score of 0 means the app hasn't been used in some time; 485 // don't query it as it's not likely to be relevant. 486 continue; 487 } 488 final ActivityInfo ai = dri.getResolveInfo().activityInfo; 489 final Bundle md = ai.metaData; 490 final String serviceName = md != null ? convertServiceName(ai.packageName, 491 md.getString(ChooserTargetService.META_DATA_NAME)) : null; 492 if (serviceName != null) { 493 final ComponentName serviceComponent = new ComponentName( 494 ai.packageName, serviceName); 495 final Intent serviceIntent = new Intent(ChooserTargetService.SERVICE_INTERFACE) 496 .setComponent(serviceComponent); 497 498 if (DEBUG) { 499 Log.d(TAG, "queryTargets found target with service " + serviceComponent); 500 } 501 502 try { 503 final String perm = pm.getServiceInfo(serviceComponent, 0).permission; 504 if (!ChooserTargetService.BIND_PERMISSION.equals(perm)) { 505 Log.w(TAG, "ChooserTargetService " + serviceComponent + " does not require" 506 + " permission " + ChooserTargetService.BIND_PERMISSION 507 + " - this service will not be queried for ChooserTargets." 508 + " add android:permission=\"" 509 + ChooserTargetService.BIND_PERMISSION + "\"" 510 + " to the <service> tag for " + serviceComponent 511 + " in the manifest."); 512 continue; 513 } 514 } catch (NameNotFoundException e) { 515 Log.e(TAG, "Could not look up service " + serviceComponent 516 + "; component name not found"); 517 continue; 518 } 519 520 final ChooserTargetServiceConnection conn = 521 new ChooserTargetServiceConnection(this, dri); 522 523 // Explicitly specify Process.myUserHandle instead of calling bindService 524 // to avoid the warning from calling from the system process without an explicit 525 // user handle 526 if (bindServiceAsUser(serviceIntent, conn, BIND_AUTO_CREATE | BIND_NOT_FOREGROUND, 527 Process.myUserHandle())) { 528 if (DEBUG) { 529 Log.d(TAG, "Binding service connection for target " + dri 530 + " intent " + serviceIntent); 531 } 532 mServiceConnections.add(conn); 533 targetsToQuery++; 534 } 535 } 536 if (targetsToQuery >= QUERY_TARGET_SERVICE_LIMIT) { 537 if (DEBUG) Log.d(TAG, "queryTargets hit query target limit " 538 + QUERY_TARGET_SERVICE_LIMIT); 539 break; 540 } 541 } 542 543 if (!mServiceConnections.isEmpty()) { 544 if (DEBUG) Log.d(TAG, "queryTargets setting watchdog timer for " 545 + WATCHDOG_TIMEOUT_MILLIS + "ms"); 546 mChooserHandler.sendEmptyMessageDelayed(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT, 547 WATCHDOG_TIMEOUT_MILLIS); 548 } else { 549 sendVoiceChoicesIfNeeded(); 550 } 551 } 552 553 private String convertServiceName(String packageName, String serviceName) { 554 if (TextUtils.isEmpty(serviceName)) { 555 return null; 556 } 557 558 final String fullName; 559 if (serviceName.startsWith(".")) { 560 // Relative to the app package. Prepend the app package name. 561 fullName = packageName + serviceName; 562 } else if (serviceName.indexOf('.') >= 0) { 563 // Fully qualified package name. 564 fullName = serviceName; 565 } else { 566 fullName = null; 567 } 568 return fullName; 569 } 570 571 void unbindRemainingServices() { 572 if (DEBUG) { 573 Log.d(TAG, "unbindRemainingServices, " + mServiceConnections.size() + " left"); 574 } 575 for (int i = 0, N = mServiceConnections.size(); i < N; i++) { 576 final ChooserTargetServiceConnection conn = mServiceConnections.get(i); 577 if (DEBUG) Log.d(TAG, "unbinding " + conn); 578 unbindService(conn); 579 conn.destroy(); 580 } 581 mServiceConnections.clear(); 582 mChooserHandler.removeMessages(CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 583 } 584 585 public void onSetupVoiceInteraction() { 586 // Do nothing. We'll send the voice stuff ourselves. 587 } 588 589 void updateModelAndChooserCounts(TargetInfo info) { 590 if (info != null) { 591 final ResolveInfo ri = info.getResolveInfo(); 592 Intent targetIntent = getTargetIntent(); 593 if (ri != null && ri.activityInfo != null && targetIntent != null) { 594 if (mAdapter != null) { 595 mAdapter.updateModel(info.getResolvedComponentName()); 596 mAdapter.updateChooserCounts(ri.activityInfo.packageName, getUserId(), 597 targetIntent.getAction()); 598 } 599 if (DEBUG) { 600 Log.d(TAG, "ResolveInfo Package is " + ri.activityInfo.packageName); 601 Log.d(TAG, "Action to be updated is " + targetIntent.getAction()); 602 } 603 } else if(DEBUG) { 604 Log.d(TAG, "Can not log Chooser Counts of null ResovleInfo"); 605 } 606 } 607 mIsSuccessfullySelected = true; 608 } 609 610 void onRefinementResult(TargetInfo selectedTarget, Intent matchingIntent) { 611 if (mRefinementResultReceiver != null) { 612 mRefinementResultReceiver.destroy(); 613 mRefinementResultReceiver = null; 614 } 615 if (selectedTarget == null) { 616 Log.e(TAG, "Refinement result intent did not match any known targets; canceling"); 617 } else if (!checkTargetSourceIntent(selectedTarget, matchingIntent)) { 618 Log.e(TAG, "onRefinementResult: Selected target " + selectedTarget 619 + " cannot match refined source intent " + matchingIntent); 620 } else { 621 TargetInfo clonedTarget = selectedTarget.cloneFilledIn(matchingIntent, 0); 622 if (super.onTargetSelected(clonedTarget, false)) { 623 updateModelAndChooserCounts(clonedTarget); 624 finish(); 625 return; 626 } 627 } 628 onRefinementCanceled(); 629 } 630 631 void onRefinementCanceled() { 632 if (mRefinementResultReceiver != null) { 633 mRefinementResultReceiver.destroy(); 634 mRefinementResultReceiver = null; 635 } 636 finish(); 637 } 638 639 boolean checkTargetSourceIntent(TargetInfo target, Intent matchingIntent) { 640 final List<Intent> targetIntents = target.getAllSourceIntents(); 641 for (int i = 0, N = targetIntents.size(); i < N; i++) { 642 final Intent targetIntent = targetIntents.get(i); 643 if (targetIntent.filterEquals(matchingIntent)) { 644 return true; 645 } 646 } 647 return false; 648 } 649 650 void filterServiceTargets(String packageName, List<ChooserTarget> targets) { 651 if (targets == null) { 652 return; 653 } 654 655 final PackageManager pm = getPackageManager(); 656 for (int i = targets.size() - 1; i >= 0; i--) { 657 final ChooserTarget target = targets.get(i); 658 final ComponentName targetName = target.getComponentName(); 659 if (packageName != null && packageName.equals(targetName.getPackageName())) { 660 // Anything from the original target's package is fine. 661 continue; 662 } 663 664 boolean remove; 665 try { 666 final ActivityInfo ai = pm.getActivityInfo(targetName, 0); 667 remove = !ai.exported || ai.permission != null; 668 } catch (NameNotFoundException e) { 669 Log.e(TAG, "Target " + target + " returned by " + packageName 670 + " component not found"); 671 remove = true; 672 } 673 674 if (remove) { 675 targets.remove(i); 676 } 677 } 678 } 679 680 public class ChooserListController extends ResolverListController { 681 public ChooserListController(Context context, 682 PackageManager pm, 683 Intent targetIntent, 684 String referrerPackageName, 685 int launchedFromUid) { 686 super(context, pm, targetIntent, referrerPackageName, launchedFromUid); 687 } 688 689 @Override 690 boolean isComponentPinned(ComponentName name) { 691 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 692 } 693 694 @Override 695 boolean isComponentFiltered(ComponentName name) { 696 if (mFilteredComponentNames == null) { 697 return false; 698 } 699 for (ComponentName filteredComponentName : mFilteredComponentNames) { 700 if (name.equals(filteredComponentName)) { 701 return true; 702 } 703 } 704 return false; 705 } 706 707 @Override 708 public float getScore(DisplayResolveInfo target) { 709 if (target == null) { 710 return CALLER_TARGET_SCORE_BOOST; 711 } 712 float score = super.getScore(target); 713 if (target.isPinned()) { 714 score += PINNED_TARGET_SCORE_BOOST; 715 } 716 return score; 717 } 718 } 719 720 @Override 721 public ResolveListAdapter createAdapter(Context context, List<Intent> payloadIntents, 722 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 723 boolean filterLastUsed) { 724 final ChooserListAdapter adapter = new ChooserListAdapter(context, payloadIntents, 725 initialIntents, rList, launchedFromUid, filterLastUsed, createListController()); 726 return adapter; 727 } 728 729 @VisibleForTesting 730 protected ResolverListController createListController() { 731 return new ChooserListController( 732 this, 733 mPm, 734 getTargetIntent(), 735 getReferrerPackageName(), 736 mLaunchedFromUid); 737 } 738 739 final class ChooserTargetInfo implements TargetInfo { 740 private final DisplayResolveInfo mSourceInfo; 741 private final ResolveInfo mBackupResolveInfo; 742 private final ChooserTarget mChooserTarget; 743 private Drawable mBadgeIcon = null; 744 private CharSequence mBadgeContentDescription; 745 private Drawable mDisplayIcon; 746 private final Intent mFillInIntent; 747 private final int mFillInFlags; 748 private final float mModifiedScore; 749 750 public ChooserTargetInfo(DisplayResolveInfo sourceInfo, ChooserTarget chooserTarget, 751 float modifiedScore) { 752 mSourceInfo = sourceInfo; 753 mChooserTarget = chooserTarget; 754 mModifiedScore = modifiedScore; 755 if (sourceInfo != null) { 756 final ResolveInfo ri = sourceInfo.getResolveInfo(); 757 if (ri != null) { 758 final ActivityInfo ai = ri.activityInfo; 759 if (ai != null && ai.applicationInfo != null) { 760 final PackageManager pm = getPackageManager(); 761 mBadgeIcon = pm.getApplicationIcon(ai.applicationInfo); 762 mBadgeContentDescription = pm.getApplicationLabel(ai.applicationInfo); 763 } 764 } 765 } 766 final Icon icon = chooserTarget.getIcon(); 767 // TODO do this in the background 768 mDisplayIcon = icon != null ? icon.loadDrawable(ChooserActivity.this) : null; 769 770 if (sourceInfo != null) { 771 mBackupResolveInfo = null; 772 } else { 773 mBackupResolveInfo = getPackageManager().resolveActivity(getResolvedIntent(), 0); 774 } 775 776 mFillInIntent = null; 777 mFillInFlags = 0; 778 } 779 780 private ChooserTargetInfo(ChooserTargetInfo other, Intent fillInIntent, int flags) { 781 mSourceInfo = other.mSourceInfo; 782 mBackupResolveInfo = other.mBackupResolveInfo; 783 mChooserTarget = other.mChooserTarget; 784 mBadgeIcon = other.mBadgeIcon; 785 mBadgeContentDescription = other.mBadgeContentDescription; 786 mDisplayIcon = other.mDisplayIcon; 787 mFillInIntent = fillInIntent; 788 mFillInFlags = flags; 789 mModifiedScore = other.mModifiedScore; 790 } 791 792 public float getModifiedScore() { 793 return mModifiedScore; 794 } 795 796 @Override 797 public Intent getResolvedIntent() { 798 if (mSourceInfo != null) { 799 return mSourceInfo.getResolvedIntent(); 800 } 801 802 final Intent targetIntent = new Intent(getTargetIntent()); 803 targetIntent.setComponent(mChooserTarget.getComponentName()); 804 targetIntent.putExtras(mChooserTarget.getIntentExtras()); 805 return targetIntent; 806 } 807 808 @Override 809 public ComponentName getResolvedComponentName() { 810 if (mSourceInfo != null) { 811 return mSourceInfo.getResolvedComponentName(); 812 } else if (mBackupResolveInfo != null) { 813 return new ComponentName(mBackupResolveInfo.activityInfo.packageName, 814 mBackupResolveInfo.activityInfo.name); 815 } 816 return null; 817 } 818 819 private Intent getBaseIntentToSend() { 820 Intent result = getResolvedIntent(); 821 if (result == null) { 822 Log.e(TAG, "ChooserTargetInfo: no base intent available to send"); 823 } else { 824 result = new Intent(result); 825 if (mFillInIntent != null) { 826 result.fillIn(mFillInIntent, mFillInFlags); 827 } 828 result.fillIn(mReferrerFillInIntent, 0); 829 } 830 return result; 831 } 832 833 @Override 834 public boolean start(Activity activity, Bundle options) { 835 throw new RuntimeException("ChooserTargets should be started as caller."); 836 } 837 838 @Override 839 public boolean startAsCaller(Activity activity, Bundle options, int userId) { 840 final Intent intent = getBaseIntentToSend(); 841 if (intent == null) { 842 return false; 843 } 844 intent.setComponent(mChooserTarget.getComponentName()); 845 intent.putExtras(mChooserTarget.getIntentExtras()); 846 847 // Important: we will ignore the target security checks in ActivityManager 848 // if and only if the ChooserTarget's target package is the same package 849 // where we got the ChooserTargetService that provided it. This lets a 850 // ChooserTargetService provide a non-exported or permission-guarded target 851 // to the chooser for the user to pick. 852 // 853 // If mSourceInfo is null, we got this ChooserTarget from the caller or elsewhere 854 // so we'll obey the caller's normal security checks. 855 final boolean ignoreTargetSecurity = mSourceInfo != null 856 && mSourceInfo.getResolvedComponentName().getPackageName() 857 .equals(mChooserTarget.getComponentName().getPackageName()); 858 activity.startActivityAsCaller(intent, options, ignoreTargetSecurity, userId); 859 return true; 860 } 861 862 @Override 863 public boolean startAsUser(Activity activity, Bundle options, UserHandle user) { 864 throw new RuntimeException("ChooserTargets should be started as caller."); 865 } 866 867 @Override 868 public ResolveInfo getResolveInfo() { 869 return mSourceInfo != null ? mSourceInfo.getResolveInfo() : mBackupResolveInfo; 870 } 871 872 @Override 873 public CharSequence getDisplayLabel() { 874 return mChooserTarget.getTitle(); 875 } 876 877 @Override 878 public CharSequence getExtendedInfo() { 879 // ChooserTargets have badge icons, so we won't show the extended info to disambiguate. 880 return null; 881 } 882 883 @Override 884 public Drawable getDisplayIcon() { 885 return mDisplayIcon; 886 } 887 888 @Override 889 public Drawable getBadgeIcon() { 890 return mBadgeIcon; 891 } 892 893 @Override 894 public CharSequence getBadgeContentDescription() { 895 return mBadgeContentDescription; 896 } 897 898 @Override 899 public TargetInfo cloneFilledIn(Intent fillInIntent, int flags) { 900 return new ChooserTargetInfo(this, fillInIntent, flags); 901 } 902 903 @Override 904 public List<Intent> getAllSourceIntents() { 905 final List<Intent> results = new ArrayList<>(); 906 if (mSourceInfo != null) { 907 // We only queried the service for the first one in our sourceinfo. 908 results.add(mSourceInfo.getAllSourceIntents().get(0)); 909 } 910 return results; 911 } 912 913 @Override 914 public boolean isPinned() { 915 return mSourceInfo != null ? mSourceInfo.isPinned() : false; 916 } 917 } 918 919 public class ChooserListAdapter extends ResolveListAdapter { 920 public static final int TARGET_BAD = -1; 921 public static final int TARGET_CALLER = 0; 922 public static final int TARGET_SERVICE = 1; 923 public static final int TARGET_STANDARD = 2; 924 925 private static final int MAX_SERVICE_TARGETS = 8; 926 private static final int MAX_TARGETS_PER_SERVICE = 4; 927 928 private final List<ChooserTargetInfo> mServiceTargets = new ArrayList<>(); 929 private final List<TargetInfo> mCallerTargets = new ArrayList<>(); 930 private boolean mShowServiceTargets; 931 932 private float mLateFee = 1.f; 933 934 private final BaseChooserTargetComparator mBaseTargetComparator 935 = new BaseChooserTargetComparator(); 936 937 public ChooserListAdapter(Context context, List<Intent> payloadIntents, 938 Intent[] initialIntents, List<ResolveInfo> rList, int launchedFromUid, 939 boolean filterLastUsed, ResolverListController resolverListController) { 940 // Don't send the initial intents through the shared ResolverActivity path, 941 // we want to separate them into a different section. 942 super(context, payloadIntents, null, rList, launchedFromUid, filterLastUsed, 943 resolverListController); 944 945 if (initialIntents != null) { 946 final PackageManager pm = getPackageManager(); 947 for (int i = 0; i < initialIntents.length; i++) { 948 final Intent ii = initialIntents[i]; 949 if (ii == null) { 950 continue; 951 } 952 953 // We reimplement Intent#resolveActivityInfo here because if we have an 954 // implicit intent, we want the ResolveInfo returned by PackageManager 955 // instead of one we reconstruct ourselves. The ResolveInfo returned might 956 // have extra metadata and resolvePackageName set and we want to respect that. 957 ResolveInfo ri = null; 958 ActivityInfo ai = null; 959 final ComponentName cn = ii.getComponent(); 960 if (cn != null) { 961 try { 962 ai = pm.getActivityInfo(ii.getComponent(), 0); 963 ri = new ResolveInfo(); 964 ri.activityInfo = ai; 965 } catch (PackageManager.NameNotFoundException ignored) { 966 // ai will == null below 967 } 968 } 969 if (ai == null) { 970 ri = pm.resolveActivity(ii, PackageManager.MATCH_DEFAULT_ONLY); 971 ai = ri != null ? ri.activityInfo : null; 972 } 973 if (ai == null) { 974 Log.w(TAG, "No activity found for " + ii); 975 continue; 976 } 977 UserManager userManager = 978 (UserManager) getSystemService(Context.USER_SERVICE); 979 if (ii instanceof LabeledIntent) { 980 LabeledIntent li = (LabeledIntent)ii; 981 ri.resolvePackageName = li.getSourcePackage(); 982 ri.labelRes = li.getLabelResource(); 983 ri.nonLocalizedLabel = li.getNonLocalizedLabel(); 984 ri.icon = li.getIconResource(); 985 ri.iconResourceId = ri.icon; 986 } 987 if (userManager.isManagedProfile()) { 988 ri.noResourceId = true; 989 ri.icon = 0; 990 } 991 mCallerTargets.add(new DisplayResolveInfo(ii, ri, 992 ri.loadLabel(pm), null, ii)); 993 } 994 } 995 } 996 997 @Override 998 public boolean showsExtendedInfo(TargetInfo info) { 999 // We have badges so we don't need this text shown. 1000 return false; 1001 } 1002 1003 @Override 1004 public boolean isComponentPinned(ComponentName name) { 1005 return mPinnedSharedPrefs.getBoolean(name.flattenToString(), false); 1006 } 1007 1008 @Override 1009 public View onCreateView(ViewGroup parent) { 1010 return mInflater.inflate( 1011 com.android.internal.R.layout.resolve_grid_item, parent, false); 1012 } 1013 1014 @Override 1015 public void onListRebuilt() { 1016 if (mServiceTargets != null) { 1017 pruneServiceTargets(); 1018 } 1019 if (DEBUG) Log.d(TAG, "List built querying services"); 1020 queryTargetServices(this); 1021 } 1022 1023 @Override 1024 public boolean shouldGetResolvedFilter() { 1025 return true; 1026 } 1027 1028 @Override 1029 public int getCount() { 1030 return super.getCount() + getServiceTargetCount() + getCallerTargetCount(); 1031 } 1032 1033 @Override 1034 public int getUnfilteredCount() { 1035 return super.getUnfilteredCount() + getServiceTargetCount() + getCallerTargetCount(); 1036 } 1037 1038 public int getCallerTargetCount() { 1039 return mCallerTargets.size(); 1040 } 1041 1042 public int getServiceTargetCount() { 1043 if (!mShowServiceTargets) { 1044 return 0; 1045 } 1046 return Math.min(mServiceTargets.size(), MAX_SERVICE_TARGETS); 1047 } 1048 1049 public int getStandardTargetCount() { 1050 return super.getCount(); 1051 } 1052 1053 public int getPositionTargetType(int position) { 1054 int offset = 0; 1055 1056 final int callerTargetCount = getCallerTargetCount(); 1057 if (position < callerTargetCount) { 1058 return TARGET_CALLER; 1059 } 1060 offset += callerTargetCount; 1061 1062 final int serviceTargetCount = getServiceTargetCount(); 1063 if (position - offset < serviceTargetCount) { 1064 return TARGET_SERVICE; 1065 } 1066 offset += serviceTargetCount; 1067 1068 final int standardTargetCount = super.getCount(); 1069 if (position - offset < standardTargetCount) { 1070 return TARGET_STANDARD; 1071 } 1072 1073 return TARGET_BAD; 1074 } 1075 1076 @Override 1077 public TargetInfo getItem(int position) { 1078 return targetInfoForPosition(position, true); 1079 } 1080 1081 @Override 1082 public TargetInfo targetInfoForPosition(int position, boolean filtered) { 1083 int offset = 0; 1084 1085 final int callerTargetCount = getCallerTargetCount(); 1086 if (position < callerTargetCount) { 1087 return mCallerTargets.get(position); 1088 } 1089 offset += callerTargetCount; 1090 1091 final int serviceTargetCount = getServiceTargetCount(); 1092 if (position - offset < serviceTargetCount) { 1093 return mServiceTargets.get(position - offset); 1094 } 1095 offset += serviceTargetCount; 1096 1097 return filtered ? super.getItem(position - offset) 1098 : getDisplayInfoAt(position - offset); 1099 } 1100 1101 public void addServiceResults(DisplayResolveInfo origTarget, List<ChooserTarget> targets) { 1102 if (DEBUG) Log.d(TAG, "addServiceResults " + origTarget + ", " + targets.size() 1103 + " targets"); 1104 final float parentScore = getScore(origTarget); 1105 Collections.sort(targets, mBaseTargetComparator); 1106 float lastScore = 0; 1107 for (int i = 0, N = Math.min(targets.size(), MAX_TARGETS_PER_SERVICE); i < N; i++) { 1108 final ChooserTarget target = targets.get(i); 1109 float targetScore = target.getScore(); 1110 targetScore *= parentScore; 1111 targetScore *= mLateFee; 1112 if (i > 0 && targetScore >= lastScore) { 1113 // Apply a decay so that the top app can't crowd out everything else. 1114 // This incents ChooserTargetServices to define what's truly better. 1115 targetScore = lastScore * 0.95f; 1116 } 1117 insertServiceTarget(new ChooserTargetInfo(origTarget, target, targetScore)); 1118 1119 if (DEBUG) { 1120 Log.d(TAG, " => " + target.toString() + " score=" + targetScore 1121 + " base=" + target.getScore() 1122 + " lastScore=" + lastScore 1123 + " parentScore=" + parentScore 1124 + " lateFee=" + mLateFee); 1125 } 1126 1127 lastScore = targetScore; 1128 } 1129 1130 mLateFee *= 0.95f; 1131 1132 notifyDataSetChanged(); 1133 } 1134 1135 /** 1136 * Set to true to reveal all service targets at once. 1137 */ 1138 public void setShowServiceTargets(boolean show) { 1139 mShowServiceTargets = show; 1140 notifyDataSetChanged(); 1141 } 1142 1143 private void insertServiceTarget(ChooserTargetInfo chooserTargetInfo) { 1144 final float newScore = chooserTargetInfo.getModifiedScore(); 1145 for (int i = 0, N = mServiceTargets.size(); i < N; i++) { 1146 final ChooserTargetInfo serviceTarget = mServiceTargets.get(i); 1147 if (newScore > serviceTarget.getModifiedScore()) { 1148 mServiceTargets.add(i, chooserTargetInfo); 1149 return; 1150 } 1151 } 1152 mServiceTargets.add(chooserTargetInfo); 1153 } 1154 1155 private void pruneServiceTargets() { 1156 if (DEBUG) Log.d(TAG, "pruneServiceTargets"); 1157 for (int i = mServiceTargets.size() - 1; i >= 0; i--) { 1158 final ChooserTargetInfo cti = mServiceTargets.get(i); 1159 if (!hasResolvedTarget(cti.getResolveInfo())) { 1160 if (DEBUG) Log.d(TAG, " => " + i + " " + cti); 1161 mServiceTargets.remove(i); 1162 } 1163 } 1164 } 1165 } 1166 1167 static class BaseChooserTargetComparator implements Comparator<ChooserTarget> { 1168 @Override 1169 public int compare(ChooserTarget lhs, ChooserTarget rhs) { 1170 // Descending order 1171 return (int) Math.signum(rhs.getScore() - lhs.getScore()); 1172 } 1173 } 1174 1175 static class RowScale { 1176 private static final int DURATION = 400; 1177 1178 float mScale; 1179 ChooserRowAdapter mAdapter; 1180 private final ObjectAnimator mAnimator; 1181 1182 public static final FloatProperty<RowScale> PROPERTY = 1183 new FloatProperty<RowScale>("scale") { 1184 @Override 1185 public void setValue(RowScale object, float value) { 1186 object.mScale = value; 1187 object.mAdapter.notifyDataSetChanged(); 1188 } 1189 1190 @Override 1191 public Float get(RowScale object) { 1192 return object.mScale; 1193 } 1194 }; 1195 1196 public RowScale(@NonNull ChooserRowAdapter adapter, float from, float to) { 1197 mAdapter = adapter; 1198 mScale = from; 1199 if (from == to) { 1200 mAnimator = null; 1201 return; 1202 } 1203 1204 mAnimator = ObjectAnimator.ofFloat(this, PROPERTY, from, to).setDuration(DURATION); 1205 } 1206 1207 public RowScale setInterpolator(Interpolator interpolator) { 1208 if (mAnimator != null) { 1209 mAnimator.setInterpolator(interpolator); 1210 } 1211 return this; 1212 } 1213 1214 public float get() { 1215 return mScale; 1216 } 1217 1218 public void startAnimation() { 1219 if (mAnimator != null) { 1220 mAnimator.start(); 1221 } 1222 } 1223 1224 public void cancelAnimation() { 1225 if (mAnimator != null) { 1226 mAnimator.cancel(); 1227 } 1228 } 1229 } 1230 1231 class ChooserRowAdapter extends BaseAdapter { 1232 private ChooserListAdapter mChooserListAdapter; 1233 private final LayoutInflater mLayoutInflater; 1234 private final int mColumnCount = 4; 1235 private RowScale[] mServiceTargetScale; 1236 private final Interpolator mInterpolator; 1237 1238 public ChooserRowAdapter(ChooserListAdapter wrappedAdapter) { 1239 mChooserListAdapter = wrappedAdapter; 1240 mLayoutInflater = LayoutInflater.from(ChooserActivity.this); 1241 1242 mInterpolator = AnimationUtils.loadInterpolator(ChooserActivity.this, 1243 android.R.interpolator.decelerate_quint); 1244 1245 wrappedAdapter.registerDataSetObserver(new DataSetObserver() { 1246 @Override 1247 public void onChanged() { 1248 super.onChanged(); 1249 final int rcount = getServiceTargetRowCount(); 1250 if (mServiceTargetScale == null 1251 || mServiceTargetScale.length != rcount) { 1252 RowScale[] old = mServiceTargetScale; 1253 int oldRCount = old != null ? old.length : 0; 1254 mServiceTargetScale = new RowScale[rcount]; 1255 if (old != null && rcount > 0) { 1256 System.arraycopy(old, 0, mServiceTargetScale, 0, 1257 Math.min(old.length, rcount)); 1258 } 1259 1260 for (int i = rcount; i < oldRCount; i++) { 1261 old[i].cancelAnimation(); 1262 } 1263 1264 for (int i = oldRCount; i < rcount; i++) { 1265 final RowScale rs = new RowScale(ChooserRowAdapter.this, 0.f, 1.f) 1266 .setInterpolator(mInterpolator); 1267 mServiceTargetScale[i] = rs; 1268 } 1269 1270 // Start the animations in a separate loop. 1271 // The process of starting animations will result in 1272 // binding views to set up initial values, and we must 1273 // have ALL of the new RowScale objects created above before 1274 // we get started. 1275 for (int i = oldRCount; i < rcount; i++) { 1276 mServiceTargetScale[i].startAnimation(); 1277 } 1278 } 1279 1280 notifyDataSetChanged(); 1281 } 1282 1283 @Override 1284 public void onInvalidated() { 1285 super.onInvalidated(); 1286 notifyDataSetInvalidated(); 1287 if (mServiceTargetScale != null) { 1288 for (RowScale rs : mServiceTargetScale) { 1289 rs.cancelAnimation(); 1290 } 1291 } 1292 } 1293 }); 1294 } 1295 1296 private float getRowScale(int rowPosition) { 1297 final int start = getCallerTargetRowCount(); 1298 final int end = start + getServiceTargetRowCount(); 1299 if (rowPosition >= start && rowPosition < end) { 1300 return mServiceTargetScale[rowPosition - start].get(); 1301 } 1302 return 1.f; 1303 } 1304 1305 @Override 1306 public int getCount() { 1307 return (int) ( 1308 getCallerTargetRowCount() 1309 + getServiceTargetRowCount() 1310 + Math.ceil((float) mChooserListAdapter.getStandardTargetCount() / mColumnCount) 1311 ); 1312 } 1313 1314 public int getCallerTargetRowCount() { 1315 return (int) Math.ceil( 1316 (float) mChooserListAdapter.getCallerTargetCount() / mColumnCount); 1317 } 1318 1319 public int getServiceTargetRowCount() { 1320 return (int) Math.ceil( 1321 (float) mChooserListAdapter.getServiceTargetCount() / mColumnCount); 1322 } 1323 1324 @Override 1325 public Object getItem(int position) { 1326 // We have nothing useful to return here. 1327 return position; 1328 } 1329 1330 @Override 1331 public long getItemId(int position) { 1332 return position; 1333 } 1334 1335 @Override 1336 public View getView(int position, View convertView, ViewGroup parent) { 1337 final RowViewHolder holder; 1338 if (convertView == null) { 1339 holder = createViewHolder(parent); 1340 } else { 1341 holder = (RowViewHolder) convertView.getTag(); 1342 } 1343 bindViewHolder(position, holder); 1344 1345 return holder.row; 1346 } 1347 1348 RowViewHolder createViewHolder(ViewGroup parent) { 1349 final ViewGroup row = (ViewGroup) mLayoutInflater.inflate(R.layout.chooser_row, 1350 parent, false); 1351 final RowViewHolder holder = new RowViewHolder(row, mColumnCount); 1352 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1353 1354 for (int i = 0; i < mColumnCount; i++) { 1355 final View v = mChooserListAdapter.createView(row); 1356 final int column = i; 1357 v.setOnClickListener(new OnClickListener() { 1358 @Override 1359 public void onClick(View v) { 1360 startSelected(holder.itemIndices[column], false, true); 1361 } 1362 }); 1363 v.setOnLongClickListener(new OnLongClickListener() { 1364 @Override 1365 public boolean onLongClick(View v) { 1366 showTargetDetails( 1367 mChooserListAdapter.resolveInfoForPosition( 1368 holder.itemIndices[column], true)); 1369 return true; 1370 } 1371 }); 1372 row.addView(v); 1373 holder.cells[i] = v; 1374 1375 // Force height to be a given so we don't have visual disruption during scaling. 1376 LayoutParams lp = v.getLayoutParams(); 1377 v.measure(spec, spec); 1378 if (lp == null) { 1379 lp = new LayoutParams(LayoutParams.MATCH_PARENT, v.getMeasuredHeight()); 1380 row.setLayoutParams(lp); 1381 } else { 1382 lp.height = v.getMeasuredHeight(); 1383 } 1384 } 1385 1386 // Pre-measure so we can scale later. 1387 holder.measure(); 1388 LayoutParams lp = row.getLayoutParams(); 1389 if (lp == null) { 1390 lp = new LayoutParams(LayoutParams.MATCH_PARENT, holder.measuredRowHeight); 1391 row.setLayoutParams(lp); 1392 } else { 1393 lp.height = holder.measuredRowHeight; 1394 } 1395 row.setTag(holder); 1396 return holder; 1397 } 1398 1399 void bindViewHolder(int rowPosition, RowViewHolder holder) { 1400 final int start = getFirstRowPosition(rowPosition); 1401 final int startType = mChooserListAdapter.getPositionTargetType(start); 1402 1403 int end = start + mColumnCount - 1; 1404 while (mChooserListAdapter.getPositionTargetType(end) != startType && end >= start) { 1405 end--; 1406 } 1407 1408 if (startType == ChooserListAdapter.TARGET_SERVICE) { 1409 holder.row.setBackgroundColor( 1410 getColor(R.color.chooser_service_row_background_color)); 1411 } else { 1412 holder.row.setBackgroundColor(Color.TRANSPARENT); 1413 } 1414 1415 final int oldHeight = holder.row.getLayoutParams().height; 1416 holder.row.getLayoutParams().height = Math.max(1, 1417 (int) (holder.measuredRowHeight * getRowScale(rowPosition))); 1418 if (holder.row.getLayoutParams().height != oldHeight) { 1419 holder.row.requestLayout(); 1420 } 1421 1422 for (int i = 0; i < mColumnCount; i++) { 1423 final View v = holder.cells[i]; 1424 if (start + i <= end) { 1425 v.setVisibility(View.VISIBLE); 1426 holder.itemIndices[i] = start + i; 1427 mChooserListAdapter.bindView(holder.itemIndices[i], v); 1428 } else { 1429 v.setVisibility(View.GONE); 1430 } 1431 } 1432 } 1433 1434 int getFirstRowPosition(int row) { 1435 final int callerCount = mChooserListAdapter.getCallerTargetCount(); 1436 final int callerRows = (int) Math.ceil((float) callerCount / mColumnCount); 1437 1438 if (row < callerRows) { 1439 return row * mColumnCount; 1440 } 1441 1442 final int serviceCount = mChooserListAdapter.getServiceTargetCount(); 1443 final int serviceRows = (int) Math.ceil((float) serviceCount / mColumnCount); 1444 1445 if (row < callerRows + serviceRows) { 1446 return callerCount + (row - callerRows) * mColumnCount; 1447 } 1448 1449 return callerCount + serviceCount 1450 + (row - callerRows - serviceRows) * mColumnCount; 1451 } 1452 } 1453 1454 static class RowViewHolder { 1455 final View[] cells; 1456 final ViewGroup row; 1457 int measuredRowHeight; 1458 int[] itemIndices; 1459 1460 public RowViewHolder(ViewGroup row, int cellCount) { 1461 this.row = row; 1462 this.cells = new View[cellCount]; 1463 this.itemIndices = new int[cellCount]; 1464 } 1465 1466 public void measure() { 1467 final int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); 1468 row.measure(spec, spec); 1469 measuredRowHeight = row.getMeasuredHeight(); 1470 } 1471 } 1472 1473 static class ChooserTargetServiceConnection implements ServiceConnection { 1474 private DisplayResolveInfo mOriginalTarget; 1475 private ComponentName mConnectedComponent; 1476 private ChooserActivity mChooserActivity; 1477 private final Object mLock = new Object(); 1478 1479 private final IChooserTargetResult mChooserTargetResult = new IChooserTargetResult.Stub() { 1480 @Override 1481 public void sendResult(List<ChooserTarget> targets) throws RemoteException { 1482 synchronized (mLock) { 1483 if (mChooserActivity == null) { 1484 Log.e(TAG, "destroyed ChooserTargetServiceConnection received result from " 1485 + mConnectedComponent + "; ignoring..."); 1486 return; 1487 } 1488 mChooserActivity.filterServiceTargets( 1489 mOriginalTarget.getResolveInfo().activityInfo.packageName, targets); 1490 final Message msg = Message.obtain(); 1491 msg.what = CHOOSER_TARGET_SERVICE_RESULT; 1492 msg.obj = new ServiceResultInfo(mOriginalTarget, targets, 1493 ChooserTargetServiceConnection.this); 1494 mChooserActivity.mChooserHandler.sendMessage(msg); 1495 } 1496 } 1497 }; 1498 1499 public ChooserTargetServiceConnection(ChooserActivity chooserActivity, 1500 DisplayResolveInfo dri) { 1501 mChooserActivity = chooserActivity; 1502 mOriginalTarget = dri; 1503 } 1504 1505 @Override 1506 public void onServiceConnected(ComponentName name, IBinder service) { 1507 if (DEBUG) Log.d(TAG, "onServiceConnected: " + name); 1508 synchronized (mLock) { 1509 if (mChooserActivity == null) { 1510 Log.e(TAG, "destroyed ChooserTargetServiceConnection got onServiceConnected"); 1511 return; 1512 } 1513 1514 final IChooserTargetService icts = IChooserTargetService.Stub.asInterface(service); 1515 try { 1516 icts.getChooserTargets(mOriginalTarget.getResolvedComponentName(), 1517 mOriginalTarget.getResolveInfo().filter, mChooserTargetResult); 1518 } catch (RemoteException e) { 1519 Log.e(TAG, "Querying ChooserTargetService " + name + " failed.", e); 1520 mChooserActivity.unbindService(this); 1521 destroy(); 1522 mChooserActivity.mServiceConnections.remove(this); 1523 } 1524 } 1525 } 1526 1527 @Override 1528 public void onServiceDisconnected(ComponentName name) { 1529 if (DEBUG) Log.d(TAG, "onServiceDisconnected: " + name); 1530 synchronized (mLock) { 1531 if (mChooserActivity == null) { 1532 Log.e(TAG, 1533 "destroyed ChooserTargetServiceConnection got onServiceDisconnected"); 1534 return; 1535 } 1536 1537 mChooserActivity.unbindService(this); 1538 destroy(); 1539 mChooserActivity.mServiceConnections.remove(this); 1540 if (mChooserActivity.mServiceConnections.isEmpty()) { 1541 mChooserActivity.mChooserHandler.removeMessages( 1542 CHOOSER_TARGET_SERVICE_WATCHDOG_TIMEOUT); 1543 mChooserActivity.sendVoiceChoicesIfNeeded(); 1544 } 1545 mConnectedComponent = null; 1546 } 1547 } 1548 1549 public void destroy() { 1550 synchronized (mLock) { 1551 mChooserActivity = null; 1552 mOriginalTarget = null; 1553 } 1554 } 1555 1556 @Override 1557 public String toString() { 1558 return "ChooserTargetServiceConnection{service=" 1559 + mConnectedComponent + ", activity=" 1560 + (mOriginalTarget != null 1561 ? mOriginalTarget.getResolveInfo().activityInfo.toString() 1562 : "<connection destroyed>") + "}"; 1563 } 1564 } 1565 1566 static class ServiceResultInfo { 1567 public final DisplayResolveInfo originalTarget; 1568 public final List<ChooserTarget> resultTargets; 1569 public final ChooserTargetServiceConnection connection; 1570 1571 public ServiceResultInfo(DisplayResolveInfo ot, List<ChooserTarget> rt, 1572 ChooserTargetServiceConnection c) { 1573 originalTarget = ot; 1574 resultTargets = rt; 1575 connection = c; 1576 } 1577 } 1578 1579 static class RefinementResultReceiver extends ResultReceiver { 1580 private ChooserActivity mChooserActivity; 1581 private TargetInfo mSelectedTarget; 1582 1583 public RefinementResultReceiver(ChooserActivity host, TargetInfo target, 1584 Handler handler) { 1585 super(handler); 1586 mChooserActivity = host; 1587 mSelectedTarget = target; 1588 } 1589 1590 @Override 1591 protected void onReceiveResult(int resultCode, Bundle resultData) { 1592 if (mChooserActivity == null) { 1593 Log.e(TAG, "Destroyed RefinementResultReceiver received a result"); 1594 return; 1595 } 1596 if (resultData == null) { 1597 Log.e(TAG, "RefinementResultReceiver received null resultData"); 1598 return; 1599 } 1600 1601 switch (resultCode) { 1602 case RESULT_CANCELED: 1603 mChooserActivity.onRefinementCanceled(); 1604 break; 1605 case RESULT_OK: 1606 Parcelable intentParcelable = resultData.getParcelable(Intent.EXTRA_INTENT); 1607 if (intentParcelable instanceof Intent) { 1608 mChooserActivity.onRefinementResult(mSelectedTarget, 1609 (Intent) intentParcelable); 1610 } else { 1611 Log.e(TAG, "RefinementResultReceiver received RESULT_OK but no Intent" 1612 + " in resultData with key Intent.EXTRA_INTENT"); 1613 } 1614 break; 1615 default: 1616 Log.w(TAG, "Unknown result code " + resultCode 1617 + " sent to RefinementResultReceiver"); 1618 break; 1619 } 1620 } 1621 1622 public void destroy() { 1623 mChooserActivity = null; 1624 mSelectedTarget = null; 1625 } 1626 } 1627 1628 class OffsetDataSetObserver extends DataSetObserver { 1629 private final AbsListView mListView; 1630 private int mCachedViewType = -1; 1631 private View mCachedView; 1632 1633 public OffsetDataSetObserver(AbsListView listView) { 1634 mListView = listView; 1635 } 1636 1637 @Override 1638 public void onChanged() { 1639 if (mResolverDrawerLayout == null) { 1640 return; 1641 } 1642 1643 final int chooserTargetRows = mChooserRowAdapter.getServiceTargetRowCount(); 1644 int offset = 0; 1645 for (int i = 0; i < chooserTargetRows; i++) { 1646 final int pos = mChooserRowAdapter.getCallerTargetRowCount() + i; 1647 final int vt = mChooserRowAdapter.getItemViewType(pos); 1648 if (vt != mCachedViewType) { 1649 mCachedView = null; 1650 } 1651 final View v = mChooserRowAdapter.getView(pos, mCachedView, mListView); 1652 int height = ((RowViewHolder) (v.getTag())).measuredRowHeight; 1653 1654 offset += (int) (height * mChooserRowAdapter.getRowScale(pos)); 1655 1656 if (vt >= 0) { 1657 mCachedViewType = vt; 1658 mCachedView = v; 1659 } else { 1660 mCachedViewType = -1; 1661 } 1662 } 1663 1664 mResolverDrawerLayout.setCollapsibleHeightReserved(offset); 1665 } 1666 } 1667} 1668