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