Don't move multi-window stacks on orientation change.
Change allows resized stacks to remain in the same location
while their content change orientation.
Bug: 19358195
Change-Id: I5a9898c1cf85cb5c4c2eab0f4969b339defb199a
diff --git a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
index f79896b..7dd716e 100644
--- a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
+++ b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
@@ -291,12 +291,6 @@
return mSurfaceControl != null;
}
- static int deltaRotation(int oldRotation, int newRotation) {
- int delta = newRotation - oldRotation;
- if (delta < 0) delta += 4;
- return delta;
- }
-
private void setSnapshotTransformInTransaction(Matrix matrix, float alpha) {
if (mSurfaceControl != null) {
matrix.getValues(mTmpFloats);
@@ -352,7 +346,7 @@
// Compute the transformation matrix that must be applied
// to the snapshot to make it stay in the same original position
// with the current screen rotation.
- int delta = deltaRotation(rotation, Surface.ROTATION_0);
+ int delta = DisplayContent.deltaRotation(rotation, Surface.ROTATION_0);
createRotationMatrix(delta, mWidth, mHeight, mSnapshotInitialMatrix);
if (DEBUG_STATE) Slog.v(TAG, "**** ROTATION: " + delta);
@@ -391,7 +385,7 @@
boolean firstStart = false;
// Figure out how the screen has moved from the original rotation.
- int delta = deltaRotation(mCurRotation, mOriginalRotation);
+ int delta = DisplayContent.deltaRotation(mCurRotation, mOriginalRotation);
if (TWO_PHASE_ANIMATION && mFinishExitAnimation == null
&& (!dismissing || delta != Surface.ROTATION_0)) {