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Fix TaskView jumping caused by split select

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- Never apply split select translation to grid overview, instead use dismiss translation to make space to split placeholder to minimize motion and avoid janky double movement
- Ensures snapping to last task for end of grid split cases
- Adjust mCurrentPageScrollDiff due to coordinate shift
- Use longGridRowWidthDiff to shift all task to make space for split placeholder
- Also fixed a bug that split translation isn't reset if entering overview immediately after exit

Bug: 200537815
Test: manual
Change-Id: Ie1b57c34ce4bb079f898ba5b7c3464a714021847
This commit is contained in:
Alex Chau committed 2021-10-25 15:38:34 +01:00
1 parent 85da1db1aa
commit 39da1f78da
4 files changed
+149 -120
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quickstep/src/com/android/launcher3/uioverrides/states/SplitScreenSelectState.java
+1 -1
View File
@@ -44,7 +44,7 @@ public class SplitScreenSelectState extends OverviewState {
public float getSplitSelectTranslation(Launcher launcher) {
RecentsView recentsView = launcher.getOverviewPanel();
int splitPosition = recentsView.getSplitPlaceholder().getActiveSplitStagePosition();
if (!recentsView.shouldShiftThumbnailsForSplitSelect(splitPosition)) {
if (!recentsView.shouldShiftThumbnailsForSplitSelect()) {
return 0f;
}
PagedOrientationHandler orientationHandler = recentsView.getPagedOrientationHandler();
quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+4 -4
View File
@@ -202,6 +202,10 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity, RecentsSta
@Override
public void onStateTransitionStart(RecentsState toState) {
if (toState == HOME) {
// Clean-up logic that occurs when recents is no longer in use/visible.
reset();
}
setOverviewStateEnabled(true);
setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
setOverviewFullscreenEnabled(toState.isFullScreen());
@@ -210,10 +214,6 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity, RecentsSta
@Override
public void onStateTransitionComplete(RecentsState finalState) {
if (finalState == HOME) {
// Clean-up logic that occurs when recents is no longer in use/visible.
reset();
}
setOverlayEnabled(finalState == DEFAULT || finalState == MODAL_TASK);
setFreezeViewVisibility(false);
}
quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+4 -4
View File
@@ -90,6 +90,10 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, Laun
@Override
public void onStateTransitionStart(LauncherState toState) {
if (toState == NORMAL || toState == SPRING_LOADED) {
// Clean-up logic that occurs when recents is no longer in use/visible.
reset();
}
setOverviewStateEnabled(toState.overviewUi);
setOverviewGridEnabled(toState.displayOverviewTasksAsGrid(mActivity.getDeviceProfile()));
setOverviewFullscreenEnabled(toState.getOverviewFullscreenProgress() == 1);
@@ -98,10 +102,6 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, Laun
@Override
public void onStateTransitionComplete(LauncherState finalState) {
if (finalState == NORMAL || finalState == SPRING_LOADED) {
// Clean-up logic that occurs when recents is no longer in use/visible.
reset();
}
setOverlayEnabled(finalState == OVERVIEW || finalState == OVERVIEW_MODAL_TASK);
setFreezeViewVisibility(false);
}
quickstep/src/com/android/quickstep/views/RecentsView.java
+140 -111
View File
@@ -47,6 +47,8 @@ import static com.android.launcher3.testing.TestProtocol.TASK_VIEW_ID_CRASH;
import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
import static com.android.launcher3.util.SystemUiController.UI_STATE_FULLSCREEN_TASK;
import static com.android.quickstep.TaskUtils.checkCurrentOrManagedUserId;
import static com.android.quickstep.views.ClearAllButton.DISMISS_ALPHA;
@@ -1012,11 +1014,6 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
}
private boolean isLastGridTaskVisible() {
TaskView lastTaskView = getLastGridTaskView();
return lastTaskView != null && lastTaskView.isVisibleToUser();
}
private TaskView getLastGridTaskView() {
IntArray topRowIdArray = getTopRowIdArray();
IntArray bottomRowIdArray = getBottomRowIdArray();
@@ -1898,6 +1895,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
public void reset() {
setCurrentTask(-1);
mCurrentPageScrollDiff = 0;
mIgnoreResetTaskId = -1;
mTaskListChangeId = -1;
mFocusedTaskViewId = -1;
@@ -2756,7 +2754,13 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
float dismissTranslationInterpolationEnd = 1;
boolean closeGapBetweenClearAll = false;
boolean isClearAllHidden = isClearAllHidden();
if (showAsGrid && isLastGridTaskVisible()) {
boolean snapToLastTask = false;
boolean isLandscapeSplit =
mActivity.getDeviceProfile().isLandscape && isSplitSelectionActive();
boolean isSplitPlaceholderFirstInGrid = isSplitPlaceholderFirstInGrid();
boolean isSplitPlaceholderLastInGrid = isSplitPlaceholderLastInGrid();
TaskView lastGridTaskView = showAsGrid ? getLastGridTaskView() : null;
if (lastGridTaskView != null && lastGridTaskView.isVisibleToUser()) {
// After dismissal, animate translation of the remaining tasks to fill any gap left
// between the end of the grid and the clear all button. Only animate if the clear
// all button is visible or would become visible after dismissal.
@@ -2782,13 +2786,29 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
longGridRowWidthDiff += mIsRtl ? -gapWidth : gapWidth;
if (isClearAllHidden) {
// If ClearAllButton isn't fully shown, snap to the last task.
longGridRowWidthDiff += getSnapToLastTaskScrollDiff();
snapToLastTask = true;
}
} else {
// If only focused task will be left, snap to focused task instead.
longGridRowWidthDiff += getSnapToFocusedTaskScrollDiff(isClearAllHidden);
}
}
if (mClearAllButton.getAlpha() != 0f && isLandscapeSplit) {
// ClearAllButton will not be available in split select, snap to last task instead.
snapToLastTask = true;
}
if (snapToLastTask) {
longGridRowWidthDiff += getSnapToLastTaskScrollDiff();
if (isSplitPlaceholderLastInGrid) {
// Shift all the tasks to make space for split placeholder.
longGridRowWidthDiff += mIsRtl ? mSplitPlaceholderSize : -mSplitPlaceholderSize;
}
} else if (isLandscapeSplit && getScrollForPage(mCurrentPage)
== getScrollForPage(indexOfChild(lastGridTaskView))) {
// Use last task as reference point for scroll diff and snapping calculation as it's
// the only invariant point in landscape split screen.
snapToLastTask = true;
}
// If we need to animate the grid to compensate the clear all gap, we split the second
// half of the dismiss pending animation (in which the non-dismissed tasks slide into
@@ -2945,6 +2965,20 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
} else {
float primaryTranslation =
nextFocusedTaskView != null ? nextFocusedTaskWidth : dismissedTaskWidth;
if (isFocusedTaskDismissed && nextFocusedTaskView == null) {
// Moves less if focused task is not in scroll position.
int focusedTaskScroll = getScrollForPage(dismissedIndex);
int primaryScroll = mOrientationHandler.getPrimaryScroll(this);
int focusedTaskScrollDiff = primaryScroll - focusedTaskScroll;
primaryTranslation +=
mIsRtl ? focusedTaskScrollDiff : -focusedTaskScrollDiff;
if (isSplitPlaceholderFirstInGrid) {
// Moves less if split placeholder is at the start.
primaryTranslation +=
mIsRtl ? -mSplitPlaceholderSize : mSplitPlaceholderSize;
}
}
anim.setFloat(taskView, taskView.getPrimaryDismissTranslationProperty(),
mIsRtl ? primaryTranslation : -primaryTranslation,
clampToProgress(LINEAR, animationStartProgress,
@@ -2965,6 +2999,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
mPendingAnimation = anim;
final TaskView finalNextFocusedTaskView = nextFocusedTaskView;
final boolean finalCloseGapBetweenClearAll = closeGapBetweenClearAll;
final boolean finalSnapToLastTask = snapToLastTask;
final boolean finalIsFocusedTaskDismissed = isFocusedTaskDismissed;
mPendingAnimation.addEndListener(new Consumer<Boolean>() {
@Override
public void accept(Boolean success) {
@@ -3004,14 +3040,11 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
int taskViewIdToSnapTo = -1;
if (showAsGrid) {
if (finalCloseGapBetweenClearAll) {
if (taskCount > 2) {
if (finalSnapToLastTask) {
// Last task will be determined after removing dismissed task.
pageToSnapTo = -1;
} else if (taskCount > 2) {
pageToSnapTo = indexOfChild(mClearAllButton);
if (isClearAllHidden) {
int clearAllWidth = mOrientationHandler.getPrimarySize(
mClearAllButton);
mCurrentPageScrollDiff =
isRtl() ? clearAllWidth : -clearAllWidth;
}
} else if (isClearAllHidden) {
// Snap to focused task if clear all is hidden.
pageToSnapTo = 0;
@@ -3021,13 +3054,19 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
// page's relative position as the order of indices change over time due
// to dismissals.
TaskView snappedTaskView = getTaskViewAt(mCurrentPage);
if (snappedTaskView != null) {
boolean calculateScrollDiff = true;
if (snappedTaskView != null && !finalSnapToLastTask) {
if (snappedTaskView.getTaskViewId() == mFocusedTaskViewId) {
if (finalNextFocusedTaskView != null) {
taskViewIdToSnapTo =
finalNextFocusedTaskView.getTaskViewId();
} else {
} else if (dismissedTaskViewId != mFocusedTaskViewId) {
taskViewIdToSnapTo = mFocusedTaskViewId;
} else {
// Won't focus next task in split select, so snap to the
// first task.
pageToSnapTo = 0;
calculateScrollDiff = false;
}
} else {
int snappedTaskViewId = snappedTaskView.getTaskViewId();
@@ -3059,10 +3098,20 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
}
int primaryScroll = mOrientationHandler.getPrimaryScroll(
RecentsView.this);
int currentPageScroll = getScrollForPage(pageToSnapTo);
mCurrentPageScrollDiff = primaryScroll - currentPageScroll;
if (calculateScrollDiff) {
int primaryScroll = mOrientationHandler.getPrimaryScroll(
RecentsView.this);
int currentPageScroll = getScrollForPage(mCurrentPage);
mCurrentPageScrollDiff = primaryScroll - currentPageScroll;
// Compensate for coordinate shift by split placeholder.
if (isSplitPlaceholderFirstInGrid && !finalSnapToLastTask) {
mCurrentPageScrollDiff +=
mIsRtl ? -mSplitPlaceholderSize : mSplitPlaceholderSize;
} else if (isSplitPlaceholderLastInGrid && finalSnapToLastTask) {
mCurrentPageScrollDiff +=
mIsRtl ? mSplitPlaceholderSize : -mSplitPlaceholderSize;
}
}
}
} else if (dismissedIndex < pageToSnapTo || pageToSnapTo == taskCount - 1) {
pageToSnapTo--;
@@ -3075,10 +3124,14 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
startHome();
} else {
// Update focus task and its size.
if (finalNextFocusedTaskView != null) {
mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
mTopRowIdSet.remove(mFocusedTaskViewId);
finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
if (finalIsFocusedTaskDismissed) {
if (finalNextFocusedTaskView != null) {
mFocusedTaskViewId = finalNextFocusedTaskView.getTaskViewId();
mTopRowIdSet.remove(mFocusedTaskViewId);
finalNextFocusedTaskView.animateIconScaleAndDimIntoView();
} else {
mFocusedTaskViewId = -1;
}
}
updateTaskSize(/*isTaskDismissal=*/ true);
updateChildTaskOrientations();
@@ -3091,7 +3144,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
if (highestVisibleTaskIndex < Integer.MAX_VALUE) {
TaskView taskView = getTaskViewAt(highestVisibleTaskIndex);
boolean shouldRebalance = false;
boolean shouldRebalance;
int screenStart = mOrientationHandler.getPrimaryScroll(
RecentsView.this);
int taskStart = mOrientationHandler.getChildStart(taskView)
@@ -3122,9 +3175,12 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
}
// If snapping to another page due to indices rearranging, find the new
// index after dismissal & rearrange using the task view id.
if (taskViewIdToSnapTo != -1) {
if (finalSnapToLastTask) {
// If snapping to last task, find the last task after dismissal.
pageToSnapTo = indexOfChild(getLastGridTaskView());
} else if (taskViewIdToSnapTo != -1) {
// If snapping to another page due to indices rearranging, find
// the new index after dismissal & rearrange using the task view id.
pageToSnapTo = indexOfChild(
getTaskViewFromTaskViewId(taskViewIdToSnapTo));
}
@@ -3243,43 +3299,11 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
}
/**
* @return {@code true} if one of the task thumbnails would intersect/overlap with the
* {@link #mFirstFloatingTaskView}
* Returns {@code true} if one of the task thumbnails would intersect/overlap with the
* {@link #mFirstFloatingTaskView}.
*/
public boolean shouldShiftThumbnailsForSplitSelect(@StagePosition int stagePosition) {
if (!mActivity.getDeviceProfile().isTablet) {
// Never enough space on phones
return true;
} else if (!mActivity.getDeviceProfile().isLandscape) {
return true;
}
Rect splitBounds = new Rect();
// This acts as a best approximation on where the splitplaceholder view would be,
// doesn't need to be exact necessarily. This also doesn't need to take translations
// into account since placeholder view is not translated
if (stagePosition == SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT) {
splitBounds.set(getWidth() - mSplitPlaceholderSize, 0, getWidth(), getHeight());
} else {
splitBounds.set(0, 0, mSplitPlaceholderSize, getHeight());
}
Rect taskBounds = new Rect();
int taskCount = getTaskViewCount();
for (int i = 0; i < taskCount; i++) {
TaskView taskView = getTaskViewAt(i);
if (taskView == mSplitHiddenTaskView
&& !(showAsGrid() && taskView == getFocusedTaskView())) {
// Case where the hidden task view would have overlapped w/ placeholder,
// but because it's going to hide we don't care
// TODO (b/187312247) edge case for thumbnails that are off screen but scroll on
continue;
}
taskView.getBoundsOnScreen(taskBounds);
if (Rect.intersects(taskBounds, splitBounds)) {
return true;
}
}
return false;
public boolean shouldShiftThumbnailsForSplitSelect() {
return !mActivity.getDeviceProfile().isTablet;
}
protected void onDismissAnimationEnds() {
@@ -3771,36 +3795,43 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
* Apply scroll offset to children of RecentsView when entering split select.
*/
public void applySplitPrimaryScrollOffset() {
if (!mActivity.getDeviceProfile().isLandscape || !showAsGrid()) {
return;
}
@StagePosition int position = mSplitSelectStateController.getActiveSplitStagePosition();
boolean shouldShiftThumbnailsForSplitSelect = shouldShiftThumbnailsForSplitSelect(
position);
boolean expandLeft = false;
boolean expandRight = false;
if (mIsRtl) {
if (position == SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT
&& shouldShiftThumbnailsForSplitSelect) {
expandLeft = true;
} else if (position == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
if (shouldShiftThumbnailsForSplitSelect) {
expandRight = true;
} else {
expandLeft = true;
}
}
} // TODO(b/200537659): Handle system RTL.
if (expandRight) {
if (isSplitPlaceholderFirstInGrid()) {
for (int i = 0; i < getTaskViewCount(); i++) {
getTaskViewAt(i).setSplitScrollOffsetPrimary(mSplitPlaceholderSize);
}
} else if (expandLeft) {
} else if (isSplitPlaceholderLastInGrid()) {
mClearAllButton.setSplitSelectScrollOffsetPrimary(-mSplitPlaceholderSize);
}
}
/**
* Returns if split placeholder is at the beginning of RecentsView. Always returns {@code false}
* if RecentsView is in portrait or RecentsView isn't shown as grid.
*/
private boolean isSplitPlaceholderFirstInGrid() {
if (!mActivity.getDeviceProfile().isLandscape || !showAsGrid()) {
return false;
}
@StagePosition int position = mSplitSelectStateController.getActiveSplitStagePosition();
return mIsRtl
? position == STAGE_POSITION_BOTTOM_OR_RIGHT
: position == STAGE_POSITION_TOP_OR_LEFT;
}
/**
* Returns if split placeholder is at the end of RecentsView. Always returns {@code false} if
* RecentsView is in portrait or RecentsView isn't shown as grid.
*/
private boolean isSplitPlaceholderLastInGrid() {
if (!mActivity.getDeviceProfile().isLandscape || !showAsGrid()) {
return false;
}
@StagePosition int position = mSplitSelectStateController.getActiveSplitStagePosition();
return mIsRtl
? position == STAGE_POSITION_TOP_OR_LEFT
: position == STAGE_POSITION_BOTTOM_OR_RIGHT;
}
/**
* Reset scroll offset on children of RecentsView when exiting split select.
*/
@@ -4431,36 +4462,34 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
@Override
protected int computeMinScroll() {
if (getTaskViewCount() > 0) {
if (mIsRtl) {
// If we aren't showing the clear all button, use the rightmost task as the min
// scroll.
return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
} else {
TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
: 0);
}
if (getTaskViewCount() <= 0) {
return super.computeMinScroll();
}
return super.computeMinScroll();
return getScrollForPage(mIsRtl ? getLastViewIndex() : getFirstViewIndex());
}
@Override
protected int computeMaxScroll() {
if (getTaskViewCount() > 0) {
if (mIsRtl) {
TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
: 0);
} else {
// If we aren't showing the clear all button, use the leftmost task as the min
// scroll.
return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
}
if (getTaskViewCount() <= 0) {
return super.computeMaxScroll();
}
return super.computeMaxScroll();
return getScrollForPage(mIsRtl ? getFirstViewIndex() : getLastViewIndex());
}
private int getFirstViewIndex() {
return mShowAsGridLastOnLayout && mFocusedTaskViewId != -1
? indexOfChild(getFocusedTaskView())
: 0;
}
private int getLastViewIndex() {
return mDisallowScrollToClearAll
? mShowAsGridLastOnLayout
? indexOfChild(getLastGridTaskView())
: getTaskViewCount() - 1
: indexOfChild(mClearAllButton);
}
/**