Merge "Fix race condition on size compat UI" into sc-qpr1-dev am: f9c3101d am: 35538469

import android.graphics.PixelFormat;

import android.graphics.Rect;

import android.os.Binder;

import android.util.Log;

import android.view.SurfaceControl;

import android.view.View;

import android.view.WindowManager;

class SizeCompatUILayout {

    private static final String TAG = "SizeCompatUILayout";

    private final SyncTransactionQueue mSyncQueue;

    final SyncTransactionQueue mSyncQueue;

    private final SizeCompatUIController.SizeCompatUICallback mCallback;

    private Context mContext;

    private Configuration mTaskConfig;

    private void updateSurfacePosition(SurfaceControl leash, int positionX, int positionY) {

        mSyncQueue.runInSync(t -> {

            if (!leash.isValid()) {

                Log.w(TAG, "The leash has been released.");

                return;

            }

            t.setPosition(leash, positionX, positionY);

            // The size compat UI should be the topmost child of the Task in case there can be more

            // than one children.

        }

        if (mLeash != null) {

            new SurfaceControl.Transaction().remove(mLeash).apply();

            final SurfaceControl leash = mLeash;

            mLayout.mSyncQueue.runInSync(t -> t.remove(leash));

            mLeash = null;

        }

    }