TaskView.java revision d916d103ebde6bee3b7335c8f4b0dd5271866e7f
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.content.Context; 26import android.content.res.Resources; 27import android.graphics.Outline; 28import android.graphics.Point; 29import android.graphics.Rect; 30import android.util.AttributeSet; 31import android.util.FloatProperty; 32import android.util.Property; 33import android.view.MotionEvent; 34import android.view.View; 35import android.view.ViewDebug; 36import android.view.ViewOutlineProvider; 37import android.widget.TextView; 38import android.widget.Toast; 39 40import com.android.internal.logging.MetricsLogger; 41import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 42import com.android.systemui.Interpolators; 43import com.android.systemui.R; 44import com.android.systemui.recents.Recents; 45import com.android.systemui.recents.RecentsActivity; 46import com.android.systemui.recents.RecentsConfiguration; 47import com.android.systemui.recents.events.EventBus; 48import com.android.systemui.recents.events.activity.LaunchTaskEvent; 49import com.android.systemui.recents.events.ui.DismissTaskViewEvent; 50import com.android.systemui.recents.events.ui.TaskViewDismissedEvent; 51import com.android.systemui.recents.events.ui.dragndrop.DragEndCancelledEvent; 52import com.android.systemui.recents.events.ui.dragndrop.DragEndEvent; 53import com.android.systemui.recents.events.ui.dragndrop.DragStartEvent; 54import com.android.systemui.recents.misc.ReferenceCountedTrigger; 55import com.android.systemui.recents.misc.SystemServicesProxy; 56import com.android.systemui.recents.misc.Utilities; 57import com.android.systemui.recents.model.Task; 58import com.android.systemui.recents.model.TaskStack; 59import com.android.systemui.recents.model.ThumbnailData; 60 61import java.io.PrintWriter; 62import java.util.ArrayList; 63 64/** 65 * A {@link TaskView} represents a fixed view of a task. Because the TaskView's layout is directed 66 * solely by the {@link TaskStackView}, we make it a fixed size layout which allows relayouts down 67 * the view hierarchy, but not upwards from any of its children (the TaskView will relayout itself 68 * with the previous bounds if any child requests layout). 69 */ 70public class TaskView extends FixedSizeFrameLayout implements Task.TaskCallbacks, 71 TaskStackAnimationHelper.Callbacks, View.OnClickListener, View.OnLongClickListener { 72 73 /** The TaskView callbacks */ 74 interface TaskViewCallbacks { 75 void onTaskViewClipStateChanged(TaskView tv); 76 } 77 78 /** 79 * The dim overlay is generally calculated from the task progress, but occasionally (like when 80 * launching) needs to be animated independently of the task progress. This call is only used 81 * when animating the task into Recents, when the header dim is already applied 82 */ 83 public static final Property<TaskView, Float> DIM_ALPHA_WITHOUT_HEADER = 84 new FloatProperty<TaskView>("dimAlphaWithoutHeader") { 85 @Override 86 public void setValue(TaskView tv, float dimAlpha) { 87 tv.setDimAlphaWithoutHeader(dimAlpha); 88 } 89 90 @Override 91 public Float get(TaskView tv) { 92 return tv.getDimAlpha(); 93 } 94 }; 95 96 /** 97 * The dim overlay is generally calculated from the task progress, but occasionally (like when 98 * launching) needs to be animated independently of the task progress. 99 */ 100 public static final Property<TaskView, Float> DIM_ALPHA = 101 new FloatProperty<TaskView>("dimAlpha") { 102 @Override 103 public void setValue(TaskView tv, float dimAlpha) { 104 tv.setDimAlpha(dimAlpha); 105 } 106 107 @Override 108 public Float get(TaskView tv) { 109 return tv.getDimAlpha(); 110 } 111 }; 112 113 /** 114 * The dim overlay is generally calculated from the task progress, but occasionally (like when 115 * launching) needs to be animated independently of the task progress. 116 */ 117 public static final Property<TaskView, Float> VIEW_OUTLINE_ALPHA = 118 new FloatProperty<TaskView>("viewOutlineAlpha") { 119 @Override 120 public void setValue(TaskView tv, float alpha) { 121 tv.getViewBounds().setAlpha(alpha); 122 } 123 124 @Override 125 public Float get(TaskView tv) { 126 return tv.getViewBounds().getAlpha(); 127 } 128 }; 129 130 @ViewDebug.ExportedProperty(category="recents") 131 private float mDimAlpha; 132 private float mActionButtonTranslationZ; 133 134 @ViewDebug.ExportedProperty(deepExport=true, prefix="task_") 135 private Task mTask; 136 @ViewDebug.ExportedProperty(category="recents") 137 private boolean mClipViewInStack = true; 138 @ViewDebug.ExportedProperty(category="recents") 139 private boolean mTouchExplorationEnabled; 140 @ViewDebug.ExportedProperty(category="recents") 141 private boolean mIsDisabledInSafeMode; 142 @ViewDebug.ExportedProperty(deepExport=true, prefix="view_bounds_") 143 private AnimateableViewBounds mViewBounds; 144 145 private AnimatorSet mTransformAnimation; 146 private ObjectAnimator mDimAnimator; 147 private ObjectAnimator mOutlineAnimator; 148 private final TaskViewTransform mTargetAnimationTransform = new TaskViewTransform(); 149 private ArrayList<Animator> mTmpAnimators = new ArrayList<>(); 150 151 @ViewDebug.ExportedProperty(deepExport=true, prefix="thumbnail_") 152 protected TaskViewThumbnail mThumbnailView; 153 @ViewDebug.ExportedProperty(deepExport=true, prefix="header_") 154 protected TaskViewHeader mHeaderView; 155 private View mActionButtonView; 156 private View mIncompatibleAppToastView; 157 private TaskViewCallbacks mCb; 158 159 @ViewDebug.ExportedProperty(category="recents") 160 private Point mDownTouchPos = new Point(); 161 162 private Toast mDisabledAppToast; 163 164 public TaskView(Context context) { 165 this(context, null); 166 } 167 168 public TaskView(Context context, AttributeSet attrs) { 169 this(context, attrs, 0); 170 } 171 172 public TaskView(Context context, AttributeSet attrs, int defStyleAttr) { 173 this(context, attrs, defStyleAttr, 0); 174 } 175 176 public TaskView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 177 super(context, attrs, defStyleAttr, defStyleRes); 178 RecentsConfiguration config = Recents.getConfiguration(); 179 Resources res = context.getResources(); 180 mViewBounds = createOutlineProvider(); 181 if (config.fakeShadows) { 182 setBackground(new FakeShadowDrawable(res, config)); 183 } 184 setOutlineProvider(mViewBounds); 185 setOnLongClickListener(this); 186 setAccessibilityDelegate(new TaskViewAccessibilityDelegate(this)); 187 } 188 189 /** Set callback */ 190 void setCallbacks(TaskViewCallbacks cb) { 191 mCb = cb; 192 } 193 194 /** 195 * Called from RecentsActivity when it is relaunched. 196 */ 197 void onReload(boolean isResumingFromVisible) { 198 if (!Recents.getSystemServices().hasFreeformWorkspaceSupport()) { 199 resetNoUserInteractionState(); 200 } 201 if (!isResumingFromVisible) { 202 resetViewProperties(); 203 } 204 } 205 206 /** Gets the task */ 207 public Task getTask() { 208 return mTask; 209 } 210 211 /* Create an outline provider to clip and outline the view */ 212 protected AnimateableViewBounds createOutlineProvider() { 213 return new AnimateableViewBounds(this, mContext.getResources().getDimensionPixelSize( 214 R.dimen.recents_task_view_shadow_rounded_corners_radius)); 215 } 216 217 /** Returns the view bounds. */ 218 AnimateableViewBounds getViewBounds() { 219 return mViewBounds; 220 } 221 222 @Override 223 protected void onFinishInflate() { 224 // Bind the views 225 mHeaderView = (TaskViewHeader) findViewById(R.id.task_view_bar); 226 mThumbnailView = (TaskViewThumbnail) findViewById(R.id.task_view_thumbnail); 227 mThumbnailView.updateClipToTaskBar(mHeaderView); 228 mActionButtonView = findViewById(R.id.lock_to_app_fab); 229 mActionButtonView.setOutlineProvider(new ViewOutlineProvider() { 230 @Override 231 public void getOutline(View view, Outline outline) { 232 // Set the outline to match the FAB background 233 outline.setOval(0, 0, mActionButtonView.getWidth(), mActionButtonView.getHeight()); 234 outline.setAlpha(0.35f); 235 } 236 }); 237 mActionButtonView.setOnClickListener(this); 238 mActionButtonTranslationZ = mActionButtonView.getTranslationZ(); 239 } 240 241 /** 242 * Update the task view when the configuration changes. 243 */ 244 protected void onConfigurationChanged() { 245 mHeaderView.onConfigurationChanged(); 246 } 247 248 @Override 249 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 250 super.onSizeChanged(w, h, oldw, oldh); 251 if (w > 0 && h > 0) { 252 mHeaderView.onTaskViewSizeChanged(w, h); 253 mThumbnailView.onTaskViewSizeChanged(w, h); 254 255 mActionButtonView.setTranslationX(w - getMeasuredWidth()); 256 mActionButtonView.setTranslationY(h - getMeasuredHeight()); 257 } 258 } 259 260 @Override 261 public boolean hasOverlappingRendering() { 262 return false; 263 } 264 265 @Override 266 public boolean onInterceptTouchEvent(MotionEvent ev) { 267 if (ev.getAction() == MotionEvent.ACTION_DOWN) { 268 mDownTouchPos.set((int) (ev.getX() * getScaleX()), (int) (ev.getY() * getScaleY())); 269 } 270 return super.onInterceptTouchEvent(ev); 271 } 272 273 274 @Override 275 protected void measureContents(int width, int height) { 276 int widthWithoutPadding = width - mPaddingLeft - mPaddingRight; 277 int heightWithoutPadding = height - mPaddingTop - mPaddingBottom; 278 int widthSpec = MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY); 279 int heightSpec = MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY); 280 281 // Measure the content 282 measureChildren(widthSpec, heightSpec); 283 284 setMeasuredDimension(width, height); 285 } 286 287 void updateViewPropertiesToTaskTransform(TaskViewTransform toTransform, 288 AnimationProps toAnimation, ValueAnimator.AnimatorUpdateListener updateCallback) { 289 RecentsConfiguration config = Recents.getConfiguration(); 290 cancelTransformAnimation(); 291 292 // Compose the animations for the transform 293 mTmpAnimators.clear(); 294 toTransform.applyToTaskView(this, mTmpAnimators, toAnimation, !config.fakeShadows); 295 if (toAnimation.isImmediate()) { 296 if (Float.compare(getDimAlpha(), toTransform.dimAlpha) != 0) { 297 setDimAlpha(toTransform.dimAlpha); 298 } 299 if (Float.compare(mViewBounds.getAlpha(), toTransform.viewOutlineAlpha) != 0) { 300 mViewBounds.setAlpha(toTransform.viewOutlineAlpha); 301 } 302 // Manually call back to the animator listener and update callback 303 if (toAnimation.getListener() != null) { 304 toAnimation.getListener().onAnimationEnd(null); 305 } 306 if (updateCallback != null) { 307 updateCallback.onAnimationUpdate(null); 308 } 309 } else { 310 // Both the progress and the update are a function of the bounds movement of the task 311 if (Float.compare(getDimAlpha(), toTransform.dimAlpha) != 0) { 312 mDimAnimator = ObjectAnimator.ofFloat(this, DIM_ALPHA, getDimAlpha(), 313 toTransform.dimAlpha); 314 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, mDimAnimator)); 315 } 316 if (Float.compare(mViewBounds.getAlpha(), toTransform.viewOutlineAlpha) != 0) { 317 mOutlineAnimator = ObjectAnimator.ofFloat(this, VIEW_OUTLINE_ALPHA, 318 mViewBounds.getAlpha(), toTransform.viewOutlineAlpha); 319 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, mOutlineAnimator)); 320 } 321 if (updateCallback != null) { 322 ValueAnimator updateCallbackAnim = ValueAnimator.ofInt(0, 1); 323 updateCallbackAnim.addUpdateListener(updateCallback); 324 mTmpAnimators.add(toAnimation.apply(AnimationProps.BOUNDS, updateCallbackAnim)); 325 } 326 327 // Create the animator 328 mTransformAnimation = toAnimation.createAnimator(mTmpAnimators); 329 mTransformAnimation.start(); 330 mTargetAnimationTransform.copyFrom(toTransform); 331 } 332 } 333 334 /** Resets this view's properties */ 335 void resetViewProperties() { 336 cancelTransformAnimation(); 337 setDimAlpha(0); 338 setVisibility(View.VISIBLE); 339 getViewBounds().reset(); 340 getHeaderView().reset(); 341 TaskViewTransform.reset(this); 342 343 mActionButtonView.setScaleX(1f); 344 mActionButtonView.setScaleY(1f); 345 mActionButtonView.setAlpha(0f); 346 mActionButtonView.setTranslationX(0f); 347 mActionButtonView.setTranslationY(0f); 348 mActionButtonView.setTranslationZ(mActionButtonTranslationZ); 349 if (mIncompatibleAppToastView != null) { 350 mIncompatibleAppToastView.setVisibility(View.INVISIBLE); 351 } 352 } 353 354 /** 355 * @return whether we are animating towards {@param transform} 356 */ 357 boolean isAnimatingTo(TaskViewTransform transform) { 358 return mTransformAnimation != null && mTransformAnimation.isStarted() 359 && mTargetAnimationTransform.isSame(transform); 360 } 361 362 /** 363 * Cancels any current transform animations. 364 */ 365 public void cancelTransformAnimation() { 366 Utilities.cancelAnimationWithoutCallbacks(mTransformAnimation); 367 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 368 Utilities.cancelAnimationWithoutCallbacks(mOutlineAnimator); 369 } 370 371 /** Enables/disables handling touch on this task view. */ 372 public void setTouchEnabled(boolean enabled) { 373 setOnClickListener(enabled ? this : null); 374 } 375 376 /** Animates this task view if the user does not interact with the stack after a certain time. */ 377 public void startNoUserInteractionAnimation() { 378 mHeaderView.startNoUserInteractionAnimation(); 379 } 380 381 /** Mark this task view that the user does has not interacted with the stack after a certain time. */ 382 void setNoUserInteractionState() { 383 mHeaderView.setNoUserInteractionState(); 384 } 385 386 /** Resets the state tracking that the user has not interacted with the stack after a certain time. */ 387 void resetNoUserInteractionState() { 388 mHeaderView.resetNoUserInteractionState(); 389 } 390 391 /** Dismisses this task. */ 392 void dismissTask() { 393 // Animate out the view and call the callback 394 final TaskView tv = this; 395 DismissTaskViewEvent dismissEvent = new DismissTaskViewEvent(tv); 396 dismissEvent.addPostAnimationCallback(new Runnable() { 397 @Override 398 public void run() { 399 EventBus.getDefault().send(new TaskViewDismissedEvent(mTask, tv, 400 new AnimationProps(TaskStackView.DEFAULT_SYNC_STACK_DURATION, 401 Interpolators.FAST_OUT_SLOW_IN))); 402 } 403 }); 404 EventBus.getDefault().send(dismissEvent); 405 } 406 407 /** 408 * Returns whether this view should be clipped, or any views below should clip against this 409 * view. 410 */ 411 boolean shouldClipViewInStack() { 412 // Never clip for freeform tasks or if invisible 413 if (mTask.isFreeformTask() || getVisibility() != View.VISIBLE) { 414 return false; 415 } 416 return mClipViewInStack; 417 } 418 419 /** Sets whether this view should be clipped, or clipped against. */ 420 void setClipViewInStack(boolean clip) { 421 if (clip != mClipViewInStack) { 422 mClipViewInStack = clip; 423 if (mCb != null) { 424 mCb.onTaskViewClipStateChanged(this); 425 } 426 } 427 } 428 429 public TaskViewHeader getHeaderView() { 430 return mHeaderView; 431 } 432 433 /** 434 * Sets the current dim. 435 */ 436 public void setDimAlpha(float dimAlpha) { 437 mDimAlpha = dimAlpha; 438 mThumbnailView.setDimAlpha(dimAlpha); 439 mHeaderView.setDimAlpha(dimAlpha); 440 } 441 442 /** 443 * Sets the current dim without updating the header's dim. 444 */ 445 public void setDimAlphaWithoutHeader(float dimAlpha) { 446 mDimAlpha = dimAlpha; 447 mThumbnailView.setDimAlpha(dimAlpha); 448 } 449 450 /** 451 * Returns the current dim. 452 */ 453 public float getDimAlpha() { 454 return mDimAlpha; 455 } 456 457 /** 458 * Explicitly sets the focused state of this task. 459 */ 460 public void setFocusedState(boolean isFocused, boolean requestViewFocus) { 461 if (isFocused) { 462 if (requestViewFocus && !isFocused()) { 463 requestFocus(); 464 } 465 } else { 466 if (isAccessibilityFocused() && mTouchExplorationEnabled) { 467 clearAccessibilityFocus(); 468 } 469 } 470 } 471 472 /** 473 * Shows the action button. 474 * @param fadeIn whether or not to animate the action button in. 475 * @param fadeInDuration the duration of the action button animation, only used if 476 * {@param fadeIn} is true. 477 */ 478 public void showActionButton(boolean fadeIn, int fadeInDuration) { 479 mActionButtonView.setVisibility(View.VISIBLE); 480 481 if (fadeIn && mActionButtonView.getAlpha() < 1f) { 482 mActionButtonView.animate() 483 .alpha(1f) 484 .scaleX(1f) 485 .scaleY(1f) 486 .setDuration(fadeInDuration) 487 .setInterpolator(Interpolators.ALPHA_IN) 488 .start(); 489 } else { 490 mActionButtonView.setScaleX(1f); 491 mActionButtonView.setScaleY(1f); 492 mActionButtonView.setAlpha(1f); 493 mActionButtonView.setTranslationZ(mActionButtonTranslationZ); 494 } 495 } 496 497 /** 498 * Immediately hides the action button. 499 * 500 * @param fadeOut whether or not to animate the action button out. 501 */ 502 public void hideActionButton(boolean fadeOut, int fadeOutDuration, boolean scaleDown, 503 final Animator.AnimatorListener animListener) { 504 if (fadeOut && mActionButtonView.getAlpha() > 0f) { 505 if (scaleDown) { 506 float toScale = 0.9f; 507 mActionButtonView.animate() 508 .scaleX(toScale) 509 .scaleY(toScale); 510 } 511 mActionButtonView.animate() 512 .alpha(0f) 513 .setDuration(fadeOutDuration) 514 .setInterpolator(Interpolators.ALPHA_OUT) 515 .withEndAction(new Runnable() { 516 @Override 517 public void run() { 518 if (animListener != null) { 519 animListener.onAnimationEnd(null); 520 } 521 mActionButtonView.setVisibility(View.INVISIBLE); 522 } 523 }) 524 .start(); 525 } else { 526 mActionButtonView.setAlpha(0f); 527 mActionButtonView.setVisibility(View.INVISIBLE); 528 if (animListener != null) { 529 animListener.onAnimationEnd(null); 530 } 531 } 532 } 533 534 /**** TaskStackAnimationHelper.Callbacks Implementation ****/ 535 536 @Override 537 public void onPrepareLaunchTargetForEnterAnimation() { 538 // These values will be animated in when onStartLaunchTargetEnterAnimation() is called 539 setDimAlphaWithoutHeader(0); 540 mActionButtonView.setAlpha(0f); 541 if (mIncompatibleAppToastView != null && 542 mIncompatibleAppToastView.getVisibility() == View.VISIBLE) { 543 mIncompatibleAppToastView.setAlpha(0f); 544 } 545 } 546 547 @Override 548 public void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration, 549 boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger) { 550 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 551 552 // Dim the view after the app window transitions down into recents 553 postAnimationTrigger.increment(); 554 AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT); 555 mDimAnimator = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this, 556 DIM_ALPHA_WITHOUT_HEADER, getDimAlpha(), transform.dimAlpha)); 557 mDimAnimator.addListener(postAnimationTrigger.decrementOnAnimationEnd()); 558 mDimAnimator.start(); 559 560 if (screenPinningEnabled) { 561 showActionButton(true /* fadeIn */, duration /* fadeInDuration */); 562 } 563 564 if (mIncompatibleAppToastView != null && 565 mIncompatibleAppToastView.getVisibility() == View.VISIBLE) { 566 mIncompatibleAppToastView.animate() 567 .alpha(1f) 568 .setDuration(duration) 569 .setInterpolator(Interpolators.ALPHA_IN) 570 .start(); 571 } 572 } 573 574 @Override 575 public void onStartLaunchTargetLaunchAnimation(int duration, boolean screenPinningRequested, 576 ReferenceCountedTrigger postAnimationTrigger) { 577 Utilities.cancelAnimationWithoutCallbacks(mDimAnimator); 578 579 // Un-dim the view before/while launching the target 580 AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT); 581 mDimAnimator = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this, 582 DIM_ALPHA, getDimAlpha(), 0)); 583 mDimAnimator.start(); 584 585 postAnimationTrigger.increment(); 586 hideActionButton(true /* fadeOut */, duration, 587 !screenPinningRequested /* scaleDown */, 588 postAnimationTrigger.decrementOnAnimationEnd()); 589 } 590 591 @Override 592 public void onStartFrontTaskEnterAnimation(boolean screenPinningEnabled) { 593 if (screenPinningEnabled) { 594 showActionButton(false /* fadeIn */, 0 /* fadeInDuration */); 595 } 596 } 597 598 /**** TaskCallbacks Implementation ****/ 599 600 public void onTaskBound(Task t, boolean touchExplorationEnabled, int displayOrientation, 601 Rect displayRect) { 602 SystemServicesProxy ssp = Recents.getSystemServices(); 603 mTouchExplorationEnabled = touchExplorationEnabled; 604 mTask = t; 605 mTask.addCallback(this); 606 mIsDisabledInSafeMode = !mTask.isSystemApp && ssp.isInSafeMode(); 607 mThumbnailView.bindToTask(mTask, mIsDisabledInSafeMode, displayOrientation, displayRect); 608 mHeaderView.bindToTask(mTask, mTouchExplorationEnabled, mIsDisabledInSafeMode); 609 610 if (!t.isDockable && ssp.hasDockedTask()) { 611 if (mIncompatibleAppToastView == null) { 612 mIncompatibleAppToastView = Utilities.findViewStubById(this, 613 R.id.incompatible_app_toast_stub).inflate(); 614 TextView msg = (TextView) findViewById(com.android.internal.R.id.message); 615 msg.setText(R.string.recents_incompatible_app_message); 616 } 617 mIncompatibleAppToastView.setVisibility(View.VISIBLE); 618 } else if (mIncompatibleAppToastView != null) { 619 mIncompatibleAppToastView.setVisibility(View.INVISIBLE); 620 } 621 } 622 623 @Override 624 public void onTaskDataLoaded(Task task, ThumbnailData thumbnailData) { 625 // Update each of the views to the new task data 626 mThumbnailView.onTaskDataLoaded(thumbnailData); 627 mHeaderView.onTaskDataLoaded(); 628 } 629 630 @Override 631 public void onTaskDataUnloaded() { 632 // Unbind each of the views from the task and remove the task callback 633 mTask.removeCallback(this); 634 mThumbnailView.unbindFromTask(); 635 mHeaderView.unbindFromTask(mTouchExplorationEnabled); 636 } 637 638 @Override 639 public void onTaskStackIdChanged() { 640 // Force rebind the header, the thumbnail does not change due to stack changes 641 mHeaderView.bindToTask(mTask, mTouchExplorationEnabled, mIsDisabledInSafeMode); 642 mHeaderView.onTaskDataLoaded(); 643 } 644 645 /**** View.OnClickListener Implementation ****/ 646 647 @Override 648 public void onClick(final View v) { 649 if (mIsDisabledInSafeMode) { 650 Context context = getContext(); 651 String msg = context.getString(R.string.recents_launch_disabled_message, mTask.title); 652 if (mDisabledAppToast != null) { 653 mDisabledAppToast.cancel(); 654 } 655 mDisabledAppToast = Toast.makeText(context, msg, Toast.LENGTH_SHORT); 656 mDisabledAppToast.show(); 657 return; 658 } 659 660 boolean screenPinningRequested = false; 661 if (v == mActionButtonView) { 662 // Reset the translation of the action button before we animate it out 663 mActionButtonView.setTranslationZ(0f); 664 screenPinningRequested = true; 665 } 666 EventBus.getDefault().send(new LaunchTaskEvent(this, mTask, null, INVALID_STACK_ID, 667 screenPinningRequested)); 668 669 MetricsLogger.action(v.getContext(), MetricsEvent.ACTION_OVERVIEW_SELECT, 670 mTask.key.getComponent().toString()); 671 } 672 673 /**** View.OnLongClickListener Implementation ****/ 674 675 @Override 676 public boolean onLongClick(View v) { 677 SystemServicesProxy ssp = Recents.getSystemServices(); 678 boolean inBounds = false; 679 Rect clipBounds = new Rect(mViewBounds.mClipBounds); 680 if (!clipBounds.isEmpty()) { 681 // If we are clipping the view to the bounds, manually do the hit test. 682 clipBounds.scale(getScaleX()); 683 inBounds = clipBounds.contains(mDownTouchPos.x, mDownTouchPos.y); 684 } else { 685 // Otherwise just make sure we're within the view's bounds. 686 inBounds = mDownTouchPos.x <= getWidth() && mDownTouchPos.y <= getHeight(); 687 } 688 if (v == this && inBounds && !ssp.hasDockedTask()) { 689 // Start listening for drag events 690 setClipViewInStack(false); 691 692 mDownTouchPos.x += ((1f - getScaleX()) * getWidth()) / 2; 693 mDownTouchPos.y += ((1f - getScaleY()) * getHeight()) / 2; 694 695 EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1); 696 EventBus.getDefault().send(new DragStartEvent(mTask, this, mDownTouchPos)); 697 return true; 698 } 699 return false; 700 } 701 702 /**** Events ****/ 703 704 public final void onBusEvent(DragEndEvent event) { 705 if (!(event.dropTarget instanceof TaskStack.DockState)) { 706 event.addPostAnimationCallback(() -> { 707 // Reset the clip state for the drag view after the end animation completes 708 setClipViewInStack(true); 709 }); 710 } 711 EventBus.getDefault().unregister(this); 712 } 713 714 public final void onBusEvent(DragEndCancelledEvent event) { 715 // Reset the clip state for the drag view after the cancel animation completes 716 event.addPostAnimationCallback(() -> { 717 setClipViewInStack(true); 718 }); 719 } 720 721 public void dump(String prefix, PrintWriter writer) { 722 String innerPrefix = prefix + " "; 723 724 writer.print(prefix); writer.print("TaskView"); 725 writer.print(" mTask="); writer.print(mTask.key.id); 726 writer.println(); 727 728 mThumbnailView.dump(innerPrefix, writer); 729 } 730} 731