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Commit 3426ed56 authored by Tony Huang's avatar Tony Huang
Browse files

Fix null surface crash when switch split

This crash is caused by doble tap sometimes trigger onResizing at
same time. This might be gesture limitation. We should avoid doing
screenshot fade-out animation at such situation because its bounds
didn't change.

Fix: 261809537
Test: manual
Test: pass existing tests
Change-Id: Ida6b6e5f9a19cc2a403bb97d8bc1744c24ad90f7
parent 715ec8b3
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+5 −0
Original line number Diff line number Diff line
@@ -403,5 +403,10 @@ public class DividerView extends FrameLayout implements View.OnTouchListener {
            }
            return true;
        }

        @Override
        public boolean onDoubleTapEvent(@NonNull MotionEvent e) {
            return true;
        }
    }
}
+14 −8
Original line number Diff line number Diff line
@@ -74,7 +74,8 @@ public class SplitDecorManager extends WindowlessWindowManager {

    private boolean mShown;
    private boolean mIsResizing;
    private final Rect mBounds = new Rect();
    private final Rect mOldBounds = new Rect();
    private final Rect mResizingBounds = new Rect();
    private final Rect mTempRect = new Rect();
    private ValueAnimator mFadeAnimator;

@@ -158,6 +159,8 @@ public class SplitDecorManager extends WindowlessWindowManager {
        mResizingIconView = null;
        mIsResizing = false;
        mShown = false;
        mOldBounds.setEmpty();
        mResizingBounds.setEmpty();
    }

    /** Showing resizing hint. */
@@ -170,13 +173,14 @@ public class SplitDecorManager extends WindowlessWindowManager {

        if (!mIsResizing) {
            mIsResizing = true;
            mBounds.set(newBounds);
            mOldBounds.set(newBounds);
        }
        mResizingBounds.set(newBounds);
        mOffsetX = offsetX;
        mOffsetY = offsetY;

        final boolean show =
                newBounds.width() > mBounds.width() || newBounds.height() > mBounds.height();
                newBounds.width() > mOldBounds.width() || newBounds.height() > mOldBounds.height();
        final boolean update = show != mShown;
        if (update && mFadeAnimator != null && mFadeAnimator.isRunning()) {
            // If we need to animate and animator still running, cancel it before we ensure both
@@ -193,8 +197,8 @@ public class SplitDecorManager extends WindowlessWindowManager {

        if (mGapBackgroundLeash == null && !immediately) {
            final boolean isLandscape = newBounds.height() == sideBounds.height();
            final int left = isLandscape ? mBounds.width() : 0;
            final int top = isLandscape ? 0 : mBounds.height();
            final int left = isLandscape ? mOldBounds.width() : 0;
            final int top = isLandscape ? 0 : mOldBounds.height();
            mGapBackgroundLeash = SurfaceUtils.makeColorLayer(mHostLeash,
                    GAP_BACKGROUND_SURFACE_NAME, mSurfaceSession);
            // Fill up another side bounds area.
@@ -272,6 +276,8 @@ public class SplitDecorManager extends WindowlessWindowManager {
        mIsResizing = false;
        mOffsetX = 0;
        mOffsetY = 0;
        mOldBounds.setEmpty();
        mResizingBounds.setEmpty();
        if (mFadeAnimator != null && mFadeAnimator.isRunning()) {
            if (!mShown) {
                // If fade-out animation is running, just add release callback to it.
@@ -303,8 +309,8 @@ public class SplitDecorManager extends WindowlessWindowManager {

    /** Screenshot host leash and attach on it if meet some conditions */
    public void screenshotIfNeeded(SurfaceControl.Transaction t) {
        if (!mShown && mIsResizing) {
            mTempRect.set(mBounds);
        if (!mShown && mIsResizing && !mOldBounds.equals(mResizingBounds)) {
            mTempRect.set(mOldBounds);
            mTempRect.offsetTo(0, 0);
            mScreenshot = ScreenshotUtils.takeScreenshot(t, mHostLeash, mTempRect,
                    Integer.MAX_VALUE - 1);
@@ -315,7 +321,7 @@ public class SplitDecorManager extends WindowlessWindowManager {
    public void setScreenshotIfNeeded(SurfaceControl screenshot, SurfaceControl.Transaction t) {
        if (screenshot == null || !screenshot.isValid()) return;

        if (!mShown && mIsResizing) {
        if (!mShown && mIsResizing && !mOldBounds.equals(mResizingBounds)) {
            mScreenshot = screenshot;
            t.reparent(screenshot, mHostLeash);
            t.setLayer(screenshot, Integer.MAX_VALUE - 1);