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Commit b6ce9a4b authored by Riddle Hsu's avatar Riddle Hsu
Browse files

Pause insets position for seamless rotation 

The enhances the concept [1] to sync insets leash position.
Because after [2], the position will be applied with insets
control change.

[1]: I51ebd9f2c90b2b4d12f77d1361acc66ab7777b38
[2]: I5ba0c33ca4542d27bb4dee4ce849f34721f20b14

This also merges I2a886a6a04891a7bf09c1152e52a431326a80d03.

Bug: 337018949
Test: Enable auto rotation. Rotate camera app. The navigation
      bar can won't show on screen center.
Merged-In: Ibb25dc5735674e6618b5c639c4e2e61ffa678f52
Change-Id: Ibb25dc5735674e6618b5c639c4e2e61ffa678f52
parent 64d7a085

services/core/java/com/android/server/wm/AsyncRotationController.java

+9 −4
Original line number Diff line number Diff line
@@ -290,7 +290,7 @@ class AsyncRotationController extends FadeAnimationController implements Consume 
        }

        // The insets position may be frozen by shouldFreezeInsetsPosition(), so refresh the

        // position to the latest state when it is ready to show in new rotation.

        if (mTransitionOp == OP_APP_SWITCH) {

        if (isSeamlessTransition()) {

            for (int i = windowToken.getChildCount() - 1; i >= 0; i--) {

                final WindowState w = windowToken.getChildAt(i);

                final InsetsSourceProvider insetsProvider = w.getControllableInsetProvider();
@@ -505,10 +505,15 @@ class AsyncRotationController extends FadeAnimationController implements Consume 
     */

    boolean shouldFreezeInsetsPosition(WindowState w) {

        // Non-change transition (OP_APP_SWITCH) and METHOD_BLAST don't use screenshot so the

        // insets should keep original position before the start transaction is applied.

        return mTransitionOp != OP_LEGACY && (mTransitionOp == OP_APP_SWITCH

        // insets should keep original position before the window is done with new rotation.

        return mTransitionOp != OP_LEGACY && (isSeamlessTransition()

                || TransitionController.SYNC_METHOD == BLASTSyncEngine.METHOD_BLAST)

                && !mIsStartTransactionCommitted && canBeAsync(w.mToken) && isTargetToken(w.mToken);

                && canBeAsync(w.mToken) && isTargetToken(w.mToken);

    }



    /** Returns true if there won't be a screen rotation animation (screenshot-based). */

    private boolean isSeamlessTransition() {

        return mTransitionOp == OP_APP_SWITCH || mTransitionOp == OP_CHANGE_MAY_SEAMLESS;

    }



    /**