Merge "Animate overview grid task dismissal when shifting tasks." into sc-dev

This commit is contained in:
Pat Manning
2021-04-23 17:34:03 +00:00
committed by Android (Google) Code Review
@@ -328,6 +328,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
private float mFullscreenScale;
private static final int DISMISS_TASK_DURATION = 300;
private static final int DISMISS_TASK_TRANSLATION_DURATION = 200;
private static final int ADDITIONAL_DISMISS_TASK_TRANSLATION_DURATION = 75;
private static final int ADDITION_TASK_DURATION = 200;
// The threshold at which we update the SystemUI flags when animating from the task into the app
public static final float UPDATE_SYSUI_FLAGS_THRESHOLD = 0.85f;
@@ -365,15 +367,13 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
protected float mTaskViewsPrimaryTranslation = 0;
// Progress from 0 to 1 where 0 is a carousel and 1 is a 2 row grid.
private float mGridProgress = 0;
private final IntSet mTopRowIdSet = new IntSet();
// The GestureEndTarget that is still in progress.
protected GestureState.GestureEndTarget mCurrentGestureEndTarget;
IntSet mTopIdSet = new IntSet();
private int mOverScrollShift = 0;
/**
* TODO: Call reloadIdNeeded in onTaskStackChanged.
*/
@@ -1299,7 +1299,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
mClearAllButton.setFullscreenTranslationPrimary(accumulatedTranslationX);
updateGridProperties(/*isTaskDismissal=*/false);
updateGridProperties();
}
public void getTaskSize(Rect outRect) {
@@ -1652,7 +1652,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
// When switching to tasks in quick switch, ensures the snapped page's scroll maintain
// invariant between quick switch and overview grid, to ensure a smooth animation
// transition.
updateGridProperties(/*isTaskDismissal=*/false);
updateGridProperties();
}
}
@@ -1825,13 +1825,26 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
}
/** Updates TaskView and ClearAllButtion scaling and translation required to turn into grid
* layout.
* This method is used when no task dismissal has occurred.
*/
private void updateGridProperties() {
updateGridProperties(null, -1);
}
/**
* Updates TaskView and ClearAllButton scaling and translation required to turn into grid
* layout.
* This method only calculates the potential position and depends on {@link #setGridProgress} to
* apply the actual scaling and translation.
* apply the actual scaling and translation. This adds task translation animations in the case
* of task dismissals: e.g. when dismissedTask is not null.
*
* @param dismissedTask the TaskView dismissed, possibly null
* @param dismissedIndex the index at which the dismissedTask was prior to dismissal, if no
* dismissal occurred, this is unused
*/
private void updateGridProperties(boolean isTaskDismissal) {
private void updateGridProperties(TaskView dismissedTask, int dismissedIndex) {
int taskCount = getTaskViewCount();
if (taskCount == 0) {
return;
@@ -1858,8 +1871,12 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
int snappedPage = getNextPage();
TaskView snappedTaskView = getTaskViewAtByAbsoluteIndex(snappedPage);
boolean isTaskDismissal = dismissedTask != null;
float dismissedTaskWidth =
isTaskDismissal ? dismissedTask.getLayoutParams().width + mPageSpacing : 0;
if (!isTaskDismissal) {
mTopIdSet.clear();
mTopRowIdSet.clear();
}
for (int i = 0; i < taskCount; i++) {
TaskView taskView = getTaskViewAt(i);
@@ -1894,13 +1911,14 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
// calculate the distance focused task need to shift.
focusedTaskShift += mIsRtl ? taskWidthAndSpacing : -taskWidthAndSpacing;
}
boolean isTopRow = isTaskDismissal ? mTopIdSet.contains(taskView.getTask().key.id)
int taskId = taskView.getTask().key.id;
boolean isTopRow = isTaskDismissal ? mTopRowIdSet.contains(taskId)
: topRowWidth <= bottomRowWidth;
if (isTopRow) {
gridTranslations[i] += topAccumulatedTranslationX;
topRowWidth += taskWidthAndSpacing;
topSet.add(i);
mTopIdSet.add(taskView.getTask().key.id);
mTopRowIdSet.add(taskId);
taskView.setGridTranslationY(taskGridVerticalDiff);
@@ -1954,17 +1972,55 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
snappedTaskGridTranslationX = gridTranslations[snappedPage - mTaskViewStartIndex];
}
// Animate task dismissTranslationX for tasks with index >= dismissed index and in the
// same row as the dismissed index, or if the dismissed task was the focused task. Offset
// successive task dismissal durations for a staggered effect.
ArrayList<Animator> gridTranslationAnimators = new ArrayList<>();
boolean isFocusedTaskDismissed =
isTaskDismissal && dismissedTask.getTask().key.id == mFocusedTaskId;
for (int i = 0; i < taskCount; i++) {
TaskView taskView = getTaskViewAt(i);
if (isFocusedTaskDismissed || (i >= dismissedIndex && isSameGridRow(dismissedTask,
taskView))) {
Animator taskDismissAnimator = ObjectAnimator.ofFloat(taskView,
taskView.getPrimaryDismissTranslationProperty(),
mIsRtl ? -dismissedTaskWidth : dismissedTaskWidth, 0f);
int additionalTranslationDuration =
i >= dismissedIndex ? (ADDITIONAL_DISMISS_TASK_TRANSLATION_DURATION * (
(i - dismissedIndex) / 2)) : 0;
taskDismissAnimator.setDuration(
DISMISS_TASK_TRANSLATION_DURATION + additionalTranslationDuration);
gridTranslationAnimators.add(taskDismissAnimator);
}
taskView.setGridTranslationX(gridTranslations[i] - snappedTaskGridTranslationX);
taskView.setNonFullscreenTranslationX(snappedTaskFullscreenScrollAdjustment);
}
AnimatorSet gridTranslationAnimatorSet = new AnimatorSet();
gridTranslationAnimatorSet.playTogether(gridTranslationAnimators);
gridTranslationAnimatorSet.addListener(new AnimatorListenerAdapter() {
@Override
// Allow the actions view to display again once in focus mode
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
if (getFocusedTaskView() == null) {
mActionsView.getScrollAlpha().setValue(1);
}
}
// Use the accumulated translation of the longer row.
float clearAllAccumulatedTranslation = mIsRtl ? Math.max(topAccumulatedTranslationX,
bottomAccumulatedTranslationX) : Math.min(topAccumulatedTranslationX,
bottomAccumulatedTranslationX);
@Override
// Hide the actions view if not in focus mode
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
if (getFocusedTaskView() == null) {
mActionsView.getScrollAlpha().setValue(0);
}
}
});
gridTranslationAnimatorSet.start();
// Use the accumulated translation of the row containing the last task.
float clearAllAccumulatedTranslation = topSet.contains(taskCount - 1)
? topAccumulatedTranslationX : bottomAccumulatedTranslationX;
// If the last task is on the shorter row, ClearAllButton will embed into the shorter row
// which is not what we want. Compensate the width difference of the 2 rows in that case.
@@ -1982,13 +2038,14 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
mIsRtl ? -shorterRowCompensation : shorterRowCompensation;
// If the total width is shorter than one grid's width, move ClearAllButton further away
// accordingly.
// accordingly. Update longRowWidth if ClearAllButton has been moved.
float clearAllShortTotalCompensation = 0;
int longRowWidth = Math.max(topRowWidth, bottomRowWidth);
if (longRowWidth < mLastComputedGridSize.width()) {
float shortTotalCompensation = mLastComputedGridSize.width() - longRowWidth;
clearAllShortTotalCompensation =
mIsRtl ? -shortTotalCompensation : shortTotalCompensation;
longRowWidth = mLastComputedGridSize.width();
}
float clearAllTotalTranslationX =
@@ -2021,6 +2078,19 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
setGridProgress(mGridProgress);
}
private boolean isSameGridRow(TaskView taskView1, TaskView taskView2) {
if (taskView1 == null || taskView2 == null) {
return false;
}
int taskId1 = taskView1.getTask().key.id;
int taskId2 = taskView2.getTask().key.id;
if (taskId1 == mFocusedTaskId || taskId2 == mFocusedTaskId) {
return false;
}
return (mTopRowIdSet.contains(taskId1) && mTopRowIdSet.contains(taskId2)) || (
!mTopRowIdSet.contains(taskId1) && !mTopRowIdSet.contains(taskId2));
}
/**
* Moves TaskView and ClearAllButton between carousel and 2 row grid.
*
@@ -2231,8 +2301,12 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
int pageToSnapTo = mCurrentPage;
if (draggedIndex < pageToSnapTo ||
pageToSnapTo == (getTaskViewCount() - 1)) {
// Snap to start if focused task was dismissed, as after quick switch it could
// be at any page but the focused task always displays at the start.
if (taskView.getTask().key.id == mFocusedTaskId) {
pageToSnapTo = mTaskViewStartIndex;
} else if (draggedIndex < pageToSnapTo || pageToSnapTo == (getTaskViewCount()
- 1)) {
pageToSnapTo -= 1;
}
removeViewInLayout(taskView);
@@ -2243,7 +2317,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
} else {
snapToPageImmediately(pageToSnapTo);
// Grid got messed up, reapply.
updateGridProperties(/*isTaskDismissal=*/true);
updateGridProperties(taskView, draggedIndex - mTaskViewStartIndex);
if (showAsGrid() && getFocusedTaskView() == null) {
animateActionsViewOut();
}
@@ -2252,7 +2326,9 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
// immediately available.
onLayout(false /* changed */, getLeft(), getTop(), getRight(), getBottom());
}
resetTaskVisuals();
if (!showAsGrid()) {
resetTaskVisuals();
}
onDismissAnimationEnds();
mPendingAnimation = null;
}