Merge "Hold lock when checking window type" into main

    private final Object mLock = new Object();

    @UnsupportedAppUsage

    @GuardedBy("mLock")

    private final ArrayList<View> mViews = new ArrayList<View>();

    /**

     * The {@link ListenerGroup} that is associated to {@link #mViews}.

     * @hide

     */

    @GuardedBy("mLock")

    private final ListenerGroup<List<View>> mWindowViewsListenerGroup =

            new ListenerGroup<>(new ArrayList<>(), new Handler(Looper.getMainLooper()));

    @UnsupportedAppUsage

    @GuardedBy("mLock")

    private final ArrayList<ViewRootImpl> mRoots = new ArrayList<ViewRootImpl>();

    @UnsupportedAppUsage

    @GuardedBy("mLock")

    private final ArrayList<WindowManager.LayoutParams> mParams =

            new ArrayList<WindowManager.LayoutParams>();

    @GuardedBy("mLock")

    private final ArraySet<View> mDyingViews = new ArraySet<View>();

    @GuardedBy("mLock")

    private final ArrayList<ViewRootImpl> mWindowlessRoots = new ArrayList<ViewRootImpl>();

    /** A context token only has one remote registration to system. */

    @GuardedBy("mLock")

    private WeakHashMap<IBinder, ProposedRotationListenerDelegate> mProposedRotationListenerMap;

    private Runnable mSystemPropertyUpdater;

    public boolean canApplyWindowTypeOverride(

            @WindowManager.LayoutParams.WindowType int windowTypeToOverride,

            @NonNull View view) {

        synchronized (mLock) {

            final int index = findViewLocked(view, false /* required */);

            if (index < 0) {

                // The view has not been added yet. Window type can be overridden.

                return true;

            }

            final WindowManager.LayoutParams params = mParams.get(index);

        // If the view has been attached, we should make sure the override type matches the existing

        // one. The window type can't be changed after the view was added.

            // If the view has been attached, we should make sure the override type matches the

            // existing one. The window type can't be changed after the view was added.

            return windowTypeToOverride == params.type;

        }

    }

}

final class WindowLeaked extends AndroidRuntimeException {

    @UnsupportedAppUsage