TaskView.java revision 2ed7c47e2788ff0f008b106c67672c271a6cf958
1/* 2 * Copyright (C) 2014 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.systemui.recents.views; 18 19import static android.app.ActivityManager.StackId.INVALID_STACK_ID; 20 21import android.animation.Animator; 22import android.animation.AnimatorSet; 23import android.animation.ObjectAnimator; 24import android.animation.ValueAnimator; 25import android.app.ActivityManager; 26import android.content.Context; 27import android.content.res.Resources; 28import android.graphics.Outline; 29import android.graphics.Point; 30import android.graphics.Rect; 31import android.util.AttributeSet; 32import android.util.FloatProperty; 33import android.util.Property; 34import android.view.MotionEvent; 35import android.view.View; 36import android.view.ViewDebug; 37import android.view.ViewOutlineProvider; 38import android.widget.TextView; 39import android.widget.Toast; 40 41import com.android.internal.logging.MetricsLogger; 42import com.android.internal.logging.MetricsProto.MetricsEvent; 43import com.android.systemui.Interpolators; 44import com.android.systemui.R; 45import com.android.systemui.recents.Recents; 46import com.android.systemui.recents.RecentsActivity; 47import com.android.systemui.recents.RecentsConfiguration; 48import com.android.systemui.recents.events.EventBus; 49import com.android.systemui.recents.events.activity.LaunchTaskEvent; 50import com.android.systemui.recents.events.ui.DismissTaskViewEvent; 51import com.android.systemui.recents.events.ui.TaskViewDismissedEvent; 52import com.android.systemui.recents.events.ui.dragndrop.DragEndCancelledEvent; 53import com.android.systemui.recents.events.ui.dragndrop.DragEndEvent; 54import com.android.systemui.recents.events.ui.dragndrop.DragStartEvent; 55import com.android.systemui.recents.misc.ReferenceCountedTrigger; 56import com.android.systemui.recents.misc.SystemServicesProxy; 57import com.android.systemui.recents.misc.Utilities; 58import com.android.systemui.recents.model.Task; 59import com.android.systemui.recents.model.TaskStack; 60 61import java.util.ArrayList; 62 63/** 64 * A {@link TaskView} represents a fixed view of a task. Because the TaskView's layout is directed 65 * solely by the {@link TaskStackView}, we make it a fixed size layout which allows relayouts down 66 * the view hierarchy, but not upwards from any of its children (the TaskView will relayout itself 67 * with the previous bounds if any child requests layout). 68 */ 69public class TaskView extends FixedSizeFrameLayout implements Task.TaskCallbacks, 70 TaskStackAnimationHelper.Callbacks, View.OnClickListener, View.OnLongClickListener { 71 72 /** The TaskView callbacks */ 73 interface TaskViewCallbacks { 74 void onTaskViewClipStateChanged(TaskView tv); 75 } 76 77 /** 78 * The dim overlay is generally calculated from the task progress, but occasionally (like when 79 * launching) needs to be animated independently of the task progress. This call is only used 80 * when animating the task into Recents, when the header dim is already applied 81 */ 82 public static final Property<TaskView, Float> DIM_ALPHA_WITHOUT_HEADER = 83 new FloatProperty<TaskView>("dimAlphaWithoutHeader") { 84 @Override 85 public void setValue(TaskView tv, float dimAlpha) { 86 tv.setDimAlphaWithoutHeader(dimAlpha); 87 } 88 89 @Override 90 public Float get(TaskView tv) { 91 return tv.getDimAlpha(); 92 } 93 }; 94 95 /** 96 * The dim overlay is generally calculated from the task progress, but occasionally (like when 97 * launching) needs to be animated independently of the task progress. 98 */ 99 public static final Property<TaskView, Float> DIM_ALPHA = 100 new FloatProperty<TaskView>("dimAlpha") { 101 @Override 102 public void setValue(TaskView tv, float dimAlpha) { 103 tv.setDimAlpha(dimAlpha); 104 } 105 106 @Override 107 public Float get(TaskView tv) { 108 return tv.getDimAlpha(); 109 } 110 }; 111 112 /** 113 * The dim overlay is generally calculated from the task progress, but occasionally (like when 114 * launching) needs to be animated independently of the task progress. 115 */ 116 public static final Property<TaskView, Float> VIEW_OUTLINE_ALPHA = 117 new FloatProperty<TaskView>("viewOutlineAlpha") { 118 @Override 119 public void setValue(TaskView tv, float alpha) { 120 tv.getViewBounds().setAlpha(alpha); 121 } 122 123 @Override 124 public Float get(TaskView tv) { 125 return tv.getViewBounds().getAlpha(); 126 } 127 }; 128 129 @ViewDebug.ExportedProperty(category="recents") 130 private float mDimAlpha; 131 private float mActionButtonTranslationZ; 132 133 @ViewDebug.ExportedProperty(deepExport=true, prefix="task_") 134 private Task mTask; 135 @ViewDebug.ExportedProperty(category="recents") 136 private boolean mClipViewInStack = true; 137 @ViewDebug.ExportedProperty(category="recents") 138 private boolean mTouchExplorationEnabled; 139 @ViewDebug.ExportedProperty(category="recents") 140 private boolean mIsDisabledInSafeMode; 141 @ViewDebug.ExportedProperty(deepExport=true, prefix="view_bounds_") 142 private AnimateableViewBounds mViewBounds; 143 144 private AnimatorSet mTransformAnimation; 145 private ObjectAnimator mDimAnimator; 146 private ObjectAnimator mOutlineAnimator; 147 private final TaskViewTransform mTargetAnimationTransform = new TaskViewTransform(); 148 private ArrayList<Animator> mTmpAnimators = new ArrayList<>(); 149 150 @ViewDebug.ExportedProperty(deepExport=true, prefix="thumbnail_") 151 TaskViewThumbnail mThumbnailView; 152 @ViewDebug.ExportedProperty(deepExport=true, prefix="header_") 153 TaskViewHeader mHeaderView; 154 private View mActionButtonView; 155 private View mIncompatibleAppToastView; 156 private TaskViewCallbacks mCb; 157 158 @ViewDebug.ExportedProperty(category="recents") 159 private Point mDownTouchPos = new Point(); 160 161 private Toast mDisabledAppToast; 162 163 public TaskView(Context context) { 164 this(context, null); 165 } 166 167 public TaskView(Context context, AttributeSet attrs) { 168 this(context, attrs, 0); 169 } 170 171 public TaskView(Context context, AttributeSet attrs, int defStyleAttr) { 172 this(context, attrs, defStyleAttr, 0); 173 } 174 175 public TaskView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 176 super(context, attrs, defStyleAttr, defStyleRes); 177 RecentsConfiguration config = Recents.getConfiguration(); 178 Resources res = context.getResources(); 179 mViewBounds = new AnimateableViewBounds(this, res.getDimensionPixelSize( 180 R.dimen.recents_task_view_shadow_rounded_corners_radius)); 181 if (config.fakeShadows) { 182 setBackground(new FakeShadowDrawable(res, config)); 183 } 184 setOutlineProvider(mViewBounds); 185 setOnLongClickListener(this); 186 } 187 188 /** Set callback */ 189 void setCallbacks(TaskViewCallbacks cb) { 190 mCb = cb; 191 } 192 193 /** 194 * Called from RecentsActivity when it is relaunched. 195 */ 196 void onReload(boolean isResumingFromVisible) { 197 if (!Recents.getSystemServices().hasFreeformWorkspaceSupport()) { 198 resetNoUserInteractionState(); 199 } 200 if (!isResumingFromVisible) { 201 resetViewProperties(); 202 } 203 } 204 205 /** Gets the task */ 206 public Task getTask() { 207 return mTask; 208 } 209 210 /** Returns the view bounds. */ 211 AnimateableViewBounds getViewBounds() { 212 return mViewBounds; 213 } 214 215 @Override 216 protected void onFinishInflate() { 217 // Bind the views 218 mHeaderView = (TaskViewHeader) findViewById(R.id.task_view_bar); 219 if (Recents.getSystemServices().hasFreeformWorkspaceSupport()) { 220 mHeaderView.setNoUserInteractionState(); 221 } 222 mThumbnailView = (TaskViewThumbnail) findViewById(R.id.task_view_thumbnail); 223 mThumbnailView.updateClipToTaskBar(mHeaderView); 224 mActionButtonView = findViewById(R.id.lock_to_app_fab); 225 mActionButtonView.setOutlineProvider(new ViewOutlineProvider() { 226 @Override 227 public void getOutline(View view, Outline outline) { 228 // Set the outline to match the FAB background 229 outline.setOval(0, 0, mActionButtonView.getWidth(), mActionButtonView.getHeight()); 230 outline.setAlpha(0.35f); 231 } 232 }); 233 mActionButtonView.setOnClickListener(this); 234 mActionButtonTranslationZ = mActionButtonView.getTranslationZ(); 235 } 236 237 /** 238 * Update the task view when the configuration changes. 239 */ 240 void onConfigurationChanged() { 241 mHeaderView.onConfigurationChanged(); 242 } 243 244 @Override 245 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 246 super.onSizeChanged(w, h, oldw, oldh); 247 if (w > 0 && h > 0) { 248 mHeaderView.onTaskViewSizeChanged(w, h); 249 mThumbnailView.onTaskViewSizeChanged(w, h); 250 251 mActionButtonView.setTranslationX(w - getMeasuredWidth()); 252 mActionButtonView.setTranslationY(h - getMeasuredHeight()); 253 } 254 } 255 256 @Override 257 public boolean hasOverlappingRendering() { 258 return false; 259 } 260 261 @Override 262 public boolean onInterceptTouchEvent(MotionEvent ev) { 263 if (ev.getAction() == MotionEvent.ACTION_DOWN) { 264 mDownTouchPos.set((int) (ev.getX() * getScaleX()), (int) (ev.getY() * getScaleY())); 265 } 266 return super.onInterceptTouchEvent(ev); 267 } 268 269 270 @Override 271 protected void measureContents(int width, int height) { 272 int widthWithoutPadding = width - mPaddingLeft - mPaddingRight; 273 int heightWithoutPadding = height - mPaddingTop - mPaddingBottom; 274 int widthSpec = MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY); 275 int heightSpec = MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY); 276 277 // Measure the content 278 measureChildren(widthSpec, heightSpec); 279 280 setMeasuredDimension(width, height); 281 } 282 283 void updateViewPropertiesToTaskTransform(TaskViewTransform toTransform, 284 AnimationProps toAnimation, ValueAnimator.AnimatorUpdateListener updateCallback) { 285 RecentsConfiguration config = Recents.getConfiguration(); 286 cancelTransformAnimation(); 287 288 // Compose the animations for the transform 289 mTmpAnimators.clear(); 290 toTransform.applyToTaskView(this, mTmpAnimators, toAnimation, !config.fakeShadows); 291 if (toAnimation.isImmediate()) { 292 if (Float.compare(getDimAlpha(), toTransform.dimAlpha) != 0) { 293 setDimAlpha(toTransform.dimAlpha); 294 } 295 if (Float.compare(mViewBounds.getAlpha(), toTransform.viewOutlineAlpha) != 0) { 296 mViewBounds.setAlpha(toTransform.viewOutlineAlpha); 297 } 298 // Manually call back to the animator listener and update callback 299 if (toAnimation.getListener() != null) { 300 toAnimation.getListener().onAnimationEnd(null); 301 } 302 if (updateCallback != null) { 303 updateCallback.onAnimationUpdate(null); 304 } 305 } else { 306 // Both the progress and the update are a function of the bounds movement of the task 307 if (Float.compare(getDimAlpha(), toTransform.dimAlpha) != 0) { 308 mDimAnimator = ObjectAnimator.ofFloat(this, DIM_ALPHA, getDimAlpha(), 309 toTransform.dimAlpha); 310 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, mDimAnimator)); 311 } 312 if (Float.compare(mViewBounds.getAlpha(), toTransform.viewOutlineAlpha) != 0) { 313 mOutlineAnimator = ObjectAnimator.ofFloat(this, VIEW_OUTLINE_ALPHA, 314 mViewBounds.getAlpha(), toTransform.viewOutlineAlpha); 315 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, mOutlineAnimator)); 316 } 317 if (updateCallback != null) { 318 ValueAnimator updateCallbackAnim = ValueAnimator.ofInt(0, 1); 319 updateCallbackAnim.addUpdateListener(updateCallback); 320 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, updateCallbackAnim)); 321 } 322 323 // Create the animator 324 mTransformAnimation = toAnimation.createAnimator(mTmpAnimators); 325 mTransformAnimation.start(); 326 mTargetAnimationTransform.copyFrom(toTransform); 327 } 328 } 329 330 /** Resets this view's properties */ 331 void resetViewProperties() { 332 cancelTransformAnimation(); 333 setDimAlpha(0); 334 setVisibility(View.VISIBLE); 335 getViewBounds().reset(); 336 getHeaderView().reset(); 337 TaskViewTransform.reset(this); 338 339 mActionButtonView.setScaleX(1f); 340 mActionButtonView.setScaleY(1f); 341 mActionButtonView.setAlpha(0f); 342 mActionButtonView.setTranslationX(0f); 343 mActionButtonView.setTranslationY(0f); 344 mActionButtonView.setTranslationZ(mActionButtonTranslationZ); 345 if (mIncompatibleAppToastView != null) { 346 mIncompatibleAppToastView.setVisibility(View.INVISIBLE); 347 } 348 } 349 350 /** 351 * @return whether we are animating towards {@param transform} 352 */ 353 boolean isAnimatingTo(TaskViewTransform transform) { 354 return mTransformAnimation != null && mTransformAnimation.isStarted() 355 && mTargetAnimationTransform.isSame(transform); 356 } 357 358 /** 359 * Cancels any current transform animations. 360 */ 361 public void cancelTransformAnimation() { 362 Utilities.cancelAnimationWithoutCallbacks(mTransformAnimation); 363 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 364 Utilities.cancelAnimationWithoutCallbacks(mOutlineAnimator); 365 } 366 367 /** Enables/disables handling touch on this task view. */ 368 void setTouchEnabled(boolean enabled) { 369 setOnClickListener(enabled ? this : null); 370 } 371 372 /** Animates this task view if the user does not interact with the stack after a certain time. */ 373 void startNoUserInteractionAnimation() { 374 mHeaderView.startNoUserInteractionAnimation(); 375 } 376 377 /** Mark this task view that the user does has not interacted with the stack after a certain time. */ 378 void setNoUserInteractionState() { 379 mHeaderView.setNoUserInteractionState(); 380 } 381 382 /** Resets the state tracking that the user has not interacted with the stack after a certain time. */ 383 void resetNoUserInteractionState() { 384 mHeaderView.resetNoUserInteractionState(); 385 } 386 387 /** Dismisses this task. */ 388 void dismissTask() { 389 // Animate out the view and call the callback 390 final TaskView tv = this; 391 DismissTaskViewEvent dismissEvent = new DismissTaskViewEvent(tv); 392 dismissEvent.addPostAnimationCallback(new Runnable() { 393 @Override 394 public void run() { 395 EventBus.getDefault().send(new TaskViewDismissedEvent(mTask, tv, 396 new AnimationProps(TaskStackView.DEFAULT_SYNC_STACK_DURATION, 397 Interpolators.FAST_OUT_SLOW_IN))); 398 } 399 }); 400 EventBus.getDefault().send(dismissEvent); 401 } 402 403 /** 404 * Returns whether this view should be clipped, or any views below should clip against this 405 * view. 406 */ 407 boolean shouldClipViewInStack() { 408 // Never clip for freeform tasks or if invisible 409 if (mTask.isFreeformTask() || getVisibility() != View.VISIBLE) { 410 return false; 411 } 412 return mClipViewInStack; 413 } 414 415 /** Sets whether this view should be clipped, or clipped against. */ 416 void setClipViewInStack(boolean clip) { 417 if (clip != mClipViewInStack) { 418 mClipViewInStack = clip; 419 if (mCb != null) { 420 mCb.onTaskViewClipStateChanged(this); 421 } 422 } 423 } 424 425 public TaskViewHeader getHeaderView() { 426 return mHeaderView; 427 } 428 429 /** 430 * Sets the current dim. 431 */ 432 public void setDimAlpha(float dimAlpha) { 433 mDimAlpha = dimAlpha; 434 mThumbnailView.setDimAlpha(dimAlpha); 435 mHeaderView.setDimAlpha(dimAlpha); 436 } 437 438 /** 439 * Sets the current dim without updating the header's dim. 440 */ 441 public void setDimAlphaWithoutHeader(float dimAlpha) { 442 mDimAlpha = dimAlpha; 443 mThumbnailView.setDimAlpha(dimAlpha); 444 } 445 446 /** 447 * Returns the current dim. 448 */ 449 public float getDimAlpha() { 450 return mDimAlpha; 451 } 452 453 /** 454 * Explicitly sets the focused state of this task. 455 */ 456 public void setFocusedState(boolean isFocused, boolean requestViewFocus) { 457 if (isFocused) { 458 if (requestViewFocus && !isFocused()) { 459 requestFocus(); 460 } 461 } else { 462 if (isAccessibilityFocused() && mTouchExplorationEnabled) { 463 clearAccessibilityFocus(); 464 } 465 } 466 } 467 468 /** 469 * Shows the action button. 470 * @param fadeIn whether or not to animate the action button in. 471 * @param fadeInDuration the duration of the action button animation, only used if 472 * {@param fadeIn} is true. 473 */ 474 public void showActionButton(boolean fadeIn, int fadeInDuration) { 475 mActionButtonView.setVisibility(View.VISIBLE); 476 477 if (fadeIn && mActionButtonView.getAlpha() < 1f) { 478 mActionButtonView.animate() 479 .alpha(1f) 480 .scaleX(1f) 481 .scaleY(1f) 482 .setDuration(fadeInDuration) 483 .setInterpolator(Interpolators.ALPHA_IN) 484 .start(); 485 } else { 486 mActionButtonView.setScaleX(1f); 487 mActionButtonView.setScaleY(1f); 488 mActionButtonView.setAlpha(1f); 489 mActionButtonView.setTranslationZ(mActionButtonTranslationZ); 490 } 491 } 492 493 /** 494 * Immediately hides the action button. 495 * 496 * @param fadeOut whether or not to animate the action button out. 497 */ 498 public void hideActionButton(boolean fadeOut, int fadeOutDuration, boolean scaleDown, 499 final Animator.AnimatorListener animListener) { 500 if (fadeOut && mActionButtonView.getAlpha() > 0f) { 501 if (scaleDown) { 502 float toScale = 0.9f; 503 mActionButtonView.animate() 504 .scaleX(toScale) 505 .scaleY(toScale); 506 } 507 mActionButtonView.animate() 508 .alpha(0f) 509 .setDuration(fadeOutDuration) 510 .setInterpolator(Interpolators.ALPHA_OUT) 511 .withEndAction(new Runnable() { 512 @Override 513 public void run() { 514 if (animListener != null) { 515 animListener.onAnimationEnd(null); 516 } 517 mActionButtonView.setVisibility(View.INVISIBLE); 518 } 519 }) 520 .start(); 521 } else { 522 mActionButtonView.setAlpha(0f); 523 mActionButtonView.setVisibility(View.INVISIBLE); 524 if (animListener != null) { 525 animListener.onAnimationEnd(null); 526 } 527 } 528 } 529 530 /**** TaskStackAnimationHelper.Callbacks Implementation ****/ 531 532 @Override 533 public void onPrepareLaunchTargetForEnterAnimation() { 534 // These values will be animated in when onStartLaunchTargetEnterAnimation() is called 535 setDimAlphaWithoutHeader(0); 536 mActionButtonView.setAlpha(0f); 537 if (mIncompatibleAppToastView != null && 538 mIncompatibleAppToastView.getVisibility() == View.VISIBLE) { 539 mIncompatibleAppToastView.setAlpha(0f); 540 } 541 } 542 543 @Override 544 public void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration, 545 boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger) { 546 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 547 548 // Dim the view after the app window transitions down into recents 549 postAnimationTrigger.increment(); 550 AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT); 551 mDimAnimator = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this, 552 DIM_ALPHA_WITHOUT_HEADER, getDimAlpha(), transform.dimAlpha)); 553 mDimAnimator.addListener(postAnimationTrigger.decrementOnAnimationEnd()); 554 mDimAnimator.start(); 555 556 if (screenPinningEnabled) { 557 showActionButton(true /* fadeIn */, duration /* fadeInDuration */); 558 } 559 560 if (mIncompatibleAppToastView != null && 561 mIncompatibleAppToastView.getVisibility() == View.VISIBLE) { 562 mIncompatibleAppToastView.animate() 563 .alpha(1f) 564 .setDuration(duration) 565 .setInterpolator(Interpolators.ALPHA_IN) 566 .start(); 567 } 568 } 569 570 @Override 571 public void onStartLaunchTargetLaunchAnimation(int duration, boolean screenPinningRequested, 572 ReferenceCountedTrigger postAnimationTrigger) { 573 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 574 575 // Un-dim the view before/while launching the target 576 AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT); 577 mDimAnimator = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this, 578 DIM_ALPHA, getDimAlpha(), 0)); 579 mDimAnimator.start(); 580 581 postAnimationTrigger.increment(); 582 hideActionButton(true /* fadeOut */, duration, 583 !screenPinningRequested /* scaleDown */, 584 postAnimationTrigger.decrementOnAnimationEnd()); 585 } 586 587 @Override 588 public void onStartFrontTaskEnterAnimation(boolean screenPinningEnabled) { 589 if (screenPinningEnabled) { 590 showActionButton(false /* fadeIn */, 0 /* fadeInDuration */); 591 } 592 } 593 594 /**** TaskCallbacks Implementation ****/ 595 596 public void onTaskBound(Task t, boolean touchExplorationEnabled, int displayOrientation, 597 Rect displayRect) { 598 SystemServicesProxy ssp = Recents.getSystemServices(); 599 mTouchExplorationEnabled = touchExplorationEnabled; 600 mTask = t; 601 mTask.addCallback(this); 602 mIsDisabledInSafeMode = !mTask.isSystemApp && ssp.isInSafeMode(); 603 mThumbnailView.bindToTask(mTask, mIsDisabledInSafeMode, displayOrientation, displayRect); 604 mHeaderView.bindToTask(mTask, mTouchExplorationEnabled, mIsDisabledInSafeMode); 605 606 if (!t.isDockable && ssp.hasDockedTask()) { 607 if (mIncompatibleAppToastView == null) { 608 mIncompatibleAppToastView = Utilities.findViewStubById(this, 609 R.id.incompatible_app_toast_stub).inflate(); 610 TextView msg = (TextView) findViewById(com.android.internal.R.id.message); 611 msg.setText(R.string.recents_incompatible_app_message); 612 } 613 mIncompatibleAppToastView.setVisibility(View.VISIBLE); 614 } else if (mIncompatibleAppToastView != null) { 615 mIncompatibleAppToastView.setVisibility(View.INVISIBLE); 616 } 617 } 618 619 @Override 620 public void onTaskDataLoaded(Task task, ActivityManager.TaskThumbnailInfo thumbnailInfo) { 621 // Update each of the views to the new task data 622 mThumbnailView.onTaskDataLoaded(thumbnailInfo); 623 mHeaderView.onTaskDataLoaded(); 624 } 625 626 @Override 627 public void onTaskDataUnloaded() { 628 // Unbind each of the views from the task and remove the task callback 629 mTask.removeCallback(this); 630 mThumbnailView.unbindFromTask(); 631 mHeaderView.unbindFromTask(mTouchExplorationEnabled); 632 } 633 634 @Override 635 public void onTaskStackIdChanged() { 636 // Force rebind the header, the thumbnail does not change due to stack changes 637 mHeaderView.bindToTask(mTask, mTouchExplorationEnabled, mIsDisabledInSafeMode); 638 mHeaderView.onTaskDataLoaded(); 639 } 640 641 /**** View.OnClickListener Implementation ****/ 642 643 @Override 644 public void onClick(final View v) { 645 if (mIsDisabledInSafeMode) { 646 Context context = getContext(); 647 String msg = context.getString(R.string.recents_launch_disabled_message, mTask.title); 648 if (mDisabledAppToast != null) { 649 mDisabledAppToast.cancel(); 650 } 651 mDisabledAppToast = Toast.makeText(context, msg, Toast.LENGTH_SHORT); 652 mDisabledAppToast.show(); 653 return; 654 } 655 656 boolean screenPinningRequested = false; 657 if (v == mActionButtonView) { 658 // Reset the translation of the action button before we animate it out 659 mActionButtonView.setTranslationZ(0f); 660 screenPinningRequested = true; 661 } 662 EventBus.getDefault().send(new LaunchTaskEvent(this, mTask, null, INVALID_STACK_ID, 663 screenPinningRequested)); 664 665 MetricsLogger.action(v.getContext(), MetricsEvent.ACTION_OVERVIEW_SELECT, 666 mTask.key.getComponent().toString()); 667 } 668 669 /**** View.OnLongClickListener Implementation ****/ 670 671 @Override 672 public boolean onLongClick(View v) { 673 SystemServicesProxy ssp = Recents.getSystemServices(); 674 // Since we are clipping the view to the bounds, manually do the hit test 675 Rect clipBounds = new Rect(mViewBounds.mClipBounds); 676 clipBounds.scale(getScaleX()); 677 boolean inBounds = clipBounds.contains(mDownTouchPos.x, mDownTouchPos.y); 678 if (v == this && inBounds && !ssp.hasDockedTask()) { 679 // Start listening for drag events 680 setClipViewInStack(false); 681 682 mDownTouchPos.x += ((1f - getScaleX()) * getWidth()) / 2; 683 mDownTouchPos.y += ((1f - getScaleY()) * getHeight()) / 2; 684 685 EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1); 686 EventBus.getDefault().send(new DragStartEvent(mTask, this, mDownTouchPos)); 687 return true; 688 } 689 return false; 690 } 691 692 /**** Events ****/ 693 694 public final void onBusEvent(DragEndEvent event) { 695 if (!(event.dropTarget instanceof TaskStack.DockState)) { 696 event.addPostAnimationCallback(() -> { 697 // Reset the clip state for the drag view after the end animation completes 698 setClipViewInStack(true); 699 }); 700 } 701 EventBus.getDefault().unregister(this); 702 } 703 704 public final void onBusEvent(DragEndCancelledEvent event) { 705 // Reset the clip state for the drag view after the cancel animation completes 706 event.addPostAnimationCallback(() -> { 707 setClipViewInStack(true); 708 }); 709 } 710} 711