/**
* Prepares this task view for the enter-recents animations. This is called earlier in the first
* layout because the actual animation into recents may take a long time.
*/
void prepareEnterRecentsAnimation(
boolean isTaskViewLaunchTargetTask, boolean occludesLaunchTarget, int offscreenY) {
int initialDim = getDim();
if (mConfig.launchedHasConfigurationChanged) {
// Just load the views as-is
} else if (mConfig.launchedFromAppWithThumbnail) {
if (isTaskViewLaunchTargetTask) {
// Set the dim to 0 so we can animate it in
initialDim = 0;
// Hide the action button
mActionButtonView.setAlpha(0f);
} else if (occludesLaunchTarget) {
// Move the task view off screen (below) so we can animate it in
setTranslationY(offscreenY);
}
} else if (mConfig.launchedFromHome) {
// Move the task view off screen (below) so we can animate it in
setTranslationY(offscreenY);
setTranslationZ(0);
setScaleX(1f);
setScaleY(1f);
}
// Apply the current dim
setDim(initialDim);
// Prepare the thumbnail view alpha
mThumbnailView.prepareEnterRecentsAnimation(isTaskViewLaunchTargetTask);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = MeasureSpec.getSize(widthMeasureSpec);
int height = MeasureSpec.getSize(heightMeasureSpec);
int widthWithoutPadding = width - mPaddingLeft - mPaddingRight;
int heightWithoutPadding = height - mPaddingTop - mPaddingBottom;
// Measure the content
mContent.measure(
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY));
// Measure the bar view, and action button
mHeaderView.measure(
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(mConfig.taskBarHeight, MeasureSpec.EXACTLY));
mActionButtonView.measure(
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.AT_MOST),
MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.AT_MOST));
// Measure the thumbnail to be square
mThumbnailView.measure(
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY));
setMeasuredDimension(width, height);
invalidateOutline();
}
/** Unsets the focused task explicitly. */
void unsetFocusedTask() {
mIsFocused = false;
if (mFocusAnimationsEnabled) {
// Un-focus the header bar
mHeaderView.onTaskViewFocusChanged(false, true);
}
// Update the thumbnail alpha with the focus
mThumbnailView.onFocusChanged(false);
// Call the callback
if (mCb != null) {
mCb.onTaskViewFocusChanged(this, false);
}
invalidate();
}
/** Animates this task view as it exits recents */
void startLaunchTaskAnimation(
final Runnable postAnimRunnable,
boolean isLaunchingTask,
boolean occludesLaunchTarget,
boolean lockToTask) {
if (isLaunchingTask) {
// Animate the thumbnail alpha back into full opacity for the window animation out
mThumbnailView.startLaunchTaskAnimation(postAnimRunnable);
// Animate the dim
if (mDimAlpha > 0) {
ObjectAnimator anim = ObjectAnimator.ofInt(this, "dim", 0);
anim.setDuration(mConfig.taskViewExitToAppDuration);
anim.setInterpolator(mConfig.fastOutLinearInInterpolator);
anim.start();
}
// Animate the action button away
if (!lockToTask) {
float toScale = 0.9f;
mActionButtonView.animate().scaleX(toScale).scaleY(toScale);
}
mActionButtonView
.animate()
.alpha(0f)
.setStartDelay(0)
.setDuration(mConfig.taskViewExitToAppDuration)
.setInterpolator(mConfig.fastOutLinearInInterpolator)
.withLayer()
.start();
} else {
// Hide the dismiss button
mHeaderView.startLaunchTaskDismissAnimation();
// If this is another view in the task grouping and is in front of the launch task,
// animate it away first
if (occludesLaunchTarget) {
animate()
.alpha(0f)
.translationY(getTranslationY() + mConfig.taskViewAffiliateGroupEnterOffsetPx)
.setStartDelay(0)
.setUpdateListener(null)
.setInterpolator(mConfig.fastOutLinearInInterpolator)
.setDuration(mConfig.taskViewExitToAppDuration)
.start();
}
}
}
@Override
public void onTaskDataUnloaded() {
if (mThumbnailView != null && mHeaderView != null) {
// Unbind each of the views from the task data and remove the task callback
mTask.setCallbacks(null);
mThumbnailView.unbindFromTask();
mHeaderView.unbindFromTask();
// Unbind any listeners
mHeaderView.mApplicationIcon.setOnClickListener(null);
mHeaderView.mDismissButton.setOnClickListener(null);
mActionButtonView.setOnClickListener(null);
if (Constants.DebugFlags.App.EnableDevAppInfoOnLongPress) {
mHeaderView.mApplicationIcon.setOnLongClickListener(null);
}
}
mTaskDataLoaded = false;
}
@Override
public void onTaskDataLoaded() {
if (mThumbnailView != null && mHeaderView != null) {
// Bind each of the views to the new task data
mThumbnailView.rebindToTask(mTask);
mHeaderView.rebindToTask(mTask);
// Rebind any listeners
mHeaderView.mApplicationIcon.setOnClickListener(this);
mHeaderView.mDismissButton.setOnClickListener(this);
mActionButtonView.setOnClickListener(this);
if (Constants.DebugFlags.App.EnableDevAppInfoOnLongPress) {
if (mConfig.developerOptionsEnabled) {
mHeaderView.mApplicationIcon.setOnLongClickListener(this);
}
}
}
mTaskDataLoaded = true;
}
@Override
protected void onFinishInflate() {
// Bind the views
mContent = findViewById(R.id.task_view_content);
mHeaderView = (TaskViewHeader) findViewById(R.id.task_view_bar);
mThumbnailView = (TaskViewThumbnail) findViewById(R.id.task_view_thumbnail);
mThumbnailView.updateClipToTaskBar(mHeaderView);
mActionButtonView = findViewById(R.id.lock_to_app_fab);
mActionButtonView.setOutlineProvider(
new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
// Set the outline to match the FAB background
outline.setOval(0, 0, mActionButtonView.getWidth(), mActionButtonView.getHeight());
}
});
mActionButtonTranslationZ = mActionButtonView.getTranslationZ();
}
/** Returns the current dim. */
public void setDim(int dim) {
mDimAlpha = dim;
if (mConfig.useHardwareLayers) {
// Defer setting hardware layers if we have not yet measured, or there is no dim to draw
if (getMeasuredWidth() > 0 && getMeasuredHeight() > 0) {
mDimColorFilter.setColor(Color.argb(mDimAlpha, 0, 0, 0));
mDimLayerPaint.setColorFilter(mDimColorFilter);
mContent.setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
}
} else {
float dimAlpha = mDimAlpha / 255.0f;
if (mThumbnailView != null) {
mThumbnailView.setDimAlpha(dimAlpha);
}
if (mHeaderView != null) {
mHeaderView.setDimAlpha(dim);
}
}
}
/**
* Sets the focused task explicitly. We need a separate flag because requestFocus() won't happen
* if the view is not currently visible, or we are in touch state (where we still want to keep
* track of focus).
*/
public void setFocusedTask(boolean animateFocusedState) {
mIsFocused = true;
if (mFocusAnimationsEnabled) {
// Focus the header bar
mHeaderView.onTaskViewFocusChanged(true, animateFocusedState);
}
// Update the thumbnail alpha with the focus
mThumbnailView.onFocusChanged(true);
// Call the callback
if (mCb != null) {
mCb.onTaskViewFocusChanged(this, true);
}
// Workaround, we don't always want it focusable in touch mode, but we want the first task
// to be focused after the enter-recents animation, which can be triggered from either touch
// or keyboard
setFocusableInTouchMode(true);
requestFocus();
setFocusableInTouchMode(false);
invalidate();
}
/** Animates this task view as it enters recents */
void startEnterRecentsAnimation(final ViewAnimation.TaskViewEnterContext ctx) {
final TaskViewTransform transform = ctx.currentTaskTransform;
int startDelay = 0;
if (mConfig.launchedFromAppWithThumbnail) {
if (mTask.isLaunchTarget) {
// Animate the dim/overlay
if (Constants.DebugFlags.App.EnableThumbnailAlphaOnFrontmost) {
// Animate the thumbnail alpha before the dim animation (to prevent updating the
// hardware layer)
mThumbnailView.startEnterRecentsAnimation(
mConfig.transitionEnterFromAppDelay,
new Runnable() {
@Override
public void run() {
animateDimToProgress(
0,
mConfig.taskViewEnterFromAppDuration,
ctx.postAnimationTrigger.decrementOnAnimationEnd());
}
});
} else {
// Immediately start the dim animation
animateDimToProgress(
mConfig.transitionEnterFromAppDelay,
mConfig.taskViewEnterFromAppDuration,
ctx.postAnimationTrigger.decrementOnAnimationEnd());
}
ctx.postAnimationTrigger.increment();
// Animate the action button in
fadeInActionButton(
mConfig.transitionEnterFromAppDelay, mConfig.taskViewEnterFromAppDuration);
} else {
// Animate the task up if it was occluding the launch target
if (ctx.currentTaskOccludesLaunchTarget) {
setTranslationY(transform.translationY + mConfig.taskViewAffiliateGroupEnterOffsetPx);
setAlpha(0f);
animate()
.alpha(1f)
.translationY(transform.translationY)
.setStartDelay(mConfig.transitionEnterFromAppDelay)
.setUpdateListener(null)
.setInterpolator(mConfig.fastOutSlowInInterpolator)
.setDuration(mConfig.taskViewEnterFromHomeDuration)
.withEndAction(
new Runnable() {
@Override
public void run() {
// Decrement the post animation trigger
ctx.postAnimationTrigger.decrement();
}
})
.start();
ctx.postAnimationTrigger.increment();
}
}
startDelay = mConfig.transitionEnterFromAppDelay;
} else if (mConfig.launchedFromHome) {
// Animate the tasks up
int frontIndex = (ctx.currentStackViewCount - ctx.currentStackViewIndex - 1);
int delay =
mConfig.transitionEnterFromHomeDelay
+ frontIndex * mConfig.taskViewEnterFromHomeStaggerDelay;
setScaleX(transform.scale);
setScaleY(transform.scale);
if (!mConfig.fakeShadows) {
animate().translationZ(transform.translationZ);
}
animate()
.translationY(transform.translationY)
.setStartDelay(delay)
.setUpdateListener(ctx.updateListener)
.setInterpolator(mConfig.quintOutInterpolator)
.setDuration(
mConfig.taskViewEnterFromHomeDuration
+ frontIndex * mConfig.taskViewEnterFromHomeStaggerDelay)
.withEndAction(
new Runnable() {
@Override
public void run() {
// Decrement the post animation trigger
ctx.postAnimationTrigger.decrement();
}
})
.start();
ctx.postAnimationTrigger.increment();
startDelay = delay;
}
// Enable the focus animations from this point onwards so that they aren't affected by the
// window transitions
postDelayed(
new Runnable() {
@Override
public void run() {
enableFocusAnimations();
}
},
startDelay);
}