1 /*
2  * Copyright (C) 2018 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 
17 package android.view;
18 
19 import android.annotation.NonNull;
20 import android.view.WindowInsets.Type.InsetType;
21 import android.view.inputmethod.EditorInfo;
22 
23 /**
24  * Interface that informs the client about {@link WindowInsetsAnimationController} state changes.
25  * @hide pending unhide
26  */
27 public interface WindowInsetsAnimationControlListener {
28 
29     /**
30      * Gets called as soon as the animation is ready to be controlled. This may be
31      * delayed when the IME needs to redraw because of an {@link EditorInfo} change, or when the
32      * window is starting up.
33      *
34      * @param controller The controller to control the inset animation.
35      * @param types The {@link InsetType}s it was able to gain control over. Note that this may be
36      *              different than the types passed into
37      *              {@link WindowInsetsController#controlWindowInsetsAnimation} in case the window
38      *              wasn't able to gain the controls because it wasn't the IME target or not
39      *              currently the window that's controlling the system bars.
40      */
onReady(@onNull WindowInsetsAnimationController controller, @InsetType int types)41     void onReady(@NonNull WindowInsetsAnimationController controller, @InsetType int types);
42 
43     /**
44      * Called when the window no longer has control over the requested types. If it loses control
45      * over one type, the whole control will be cancelled. If none of the requested types were
46      * available when requesting the control, the animation control will be cancelled immediately
47      * without {@link #onReady} being called.
48      */
onCancelled()49     void onCancelled();
50 }
51