1/**
2 * Copyright (c) 2016, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.view;
18
19import android.content.pm.ParceledListSlice;
20import android.graphics.Rect;
21import android.view.IPinnedStackController;
22
23/**
24 * Listener for changes to the pinned stack made by the WindowManager.
25 *
26 * @hide
27 */
28oneway interface IPinnedStackListener {
29
30    /**
31     * Called when the listener is registered and provides an interface to call back to the pinned
32     * stack controller to update the controller of the pinned stack state.
33     */
34    void onListenerRegistered(IPinnedStackController controller);
35
36    /**
37     * Called when the window manager has detected a change that would cause the movement bounds
38     * to be changed (ie. after configuration change, aspect ratio change, etc). It then provides
39     * the components that allow the listener to calculate the movement bounds itself. The
40     * {@param normalBounds} are also the default bounds that the PiP would be entered in its
41     * current state with the aspect ratio applied.  The {@param animatingBounds} are provided
42     * to indicate the current target bounds of the pinned stack (the final bounds if animating,
43     * the current bounds if not), which may be helpful in calculating dependent animation bounds.
44     *
45     * The {@param displayRotation} is provided so that the client can verify when making certain
46     * calls that it will not provide stale information based on an old display rotation (ie. if
47     * the WM has changed in the mean time but the client has not received onMovementBoundsChanged).
48     */
49    void onMovementBoundsChanged(in Rect insetBounds, in Rect normalBounds, in Rect animatingBounds,
50            boolean fromImeAdjustement, int displayRotation);
51
52    /**
53     * Called when window manager decides to adjust the pinned stack bounds because of the IME, or
54     * when the listener is first registered to allow the listener to synchronized its state with
55     * the controller.  This call will always be followed by a onMovementBoundsChanged() call
56     * with fromImeAdjustement set to true.
57     */
58    void onImeVisibilityChanged(boolean imeVisible, int imeHeight);
59
60    /**
61     * Called when window manager decides to adjust the minimized state, or when the listener
62     * is first registered to allow the listener to synchronized its state with the controller.
63     */
64    void onMinimizedStateChanged(boolean isMinimized);
65
66    /**
67     * Called when the set of actions for the current PiP activity changes, or when the listener
68     * is first registered to allow the listener to synchronized its state with the controller.
69     */
70    void onActionsChanged(in ParceledListSlice actions);
71}
72