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Adjust min/max scroll according to mSplitPlaceholderSize am: 516584e648

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Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15982847

Change-Id: I8647b3135284dc504b3ac839f5191c26abf5d9b3
This commit is contained in:
Alex Chau
2021-10-05 18:13:46 +00:00
committed by Automerger Merge Worker
parent 00f02d36ab 516584e648
commit 60818c3de0
1 changed files with 23 additions and 6 deletions
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29
quickstep/src/com/android/quickstep/views/RecentsView.java
View File

@@ -409,7 +409,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
private final float mFastFlingVelocity;
private final int mScrollHapticMinGapMillis;
private final RecentsModel mModel;
private final int mGridSideMargin;
private final int mSplitPlaceholderSize;
private final ClearAllButton mClearAllButton;
private final Rect mClearAllButtonDeadZoneRect = new Rect();
private final Rect mTaskViewDeadZoneRect = new Rect();
@@ -660,7 +660,8 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
mIsRtl = mOrientationHandler.getRecentsRtlSetting(getResources());
setLayoutDirection(mIsRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
mGridSideMargin = getResources().getDimensionPixelSize(R.dimen.overview_grid_side_margin);
mSplitPlaceholderSize = getResources().getDimensionPixelSize(
R.dimen.split_placeholder_size);
mSquaredTouchSlop = squaredTouchSlop(context);
mEmptyIcon = context.getDrawable(R.drawable.ic_empty_recents);
@@ -4349,16 +4350,24 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
@Override
protected int computeMinScroll() {
if (getTaskViewCount() > 0) {
int minScroll;
if (mIsRtl) {
// If we aren't showing the clear all button, use the rightmost task as the min
// scroll.
return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
minScroll = getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
if (showAsGrid() && isSplitSelectionActive()
&& mSplitSelectStateController.getActiveSplitStagePosition()
== SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT) {
minScroll -= mSplitPlaceholderSize;
}
} else {
TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
minScroll = getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
: 0);
// TODO(b/200537659): Adjust according to mSplitPlaceholderSize.
}
return minScroll;
}
return super.computeMinScroll();
}
@@ -4366,16 +4375,24 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
@Override
protected int computeMaxScroll() {
if (getTaskViewCount() > 0) {
int maxScroll;
if (mIsRtl) {
TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
maxScroll = getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
: 0);
if (showAsGrid() && isSplitSelectionActive()
&& mSplitSelectStateController.getActiveSplitStagePosition()
== SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
maxScroll += mSplitPlaceholderSize;
}
} else {
// If we aren't showing the clear all button, use the leftmost task as the min
// scroll.
return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
maxScroll = getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
// TODO(b/200537659): Adjust according to mSplitPlaceholderSize.
}
return maxScroll;
}
return super.computeMaxScroll();
}