1 /*
2  * Copyright (C) 2022 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 package com.android.wm.shell.bubbles.animation;
17 
18 import com.android.wm.shell.bubbles.BubbleExpandedView;
19 
20 /**
21  * Animation controller for bubble expanded view collapsing
22  */
23 public interface ExpandedViewAnimationController {
24     /**
25      * Set expanded view that this controller is working with.
26      */
setExpandedView(BubbleExpandedView expandedView)27     void setExpandedView(BubbleExpandedView expandedView);
28 
29     /**
30      * Set current collapse value, in pixels.
31      *
32      * @param distance pixels that user dragged the view by
33      */
updateDrag(float distance)34     void updateDrag(float distance);
35 
36     /**
37      * Set current swipe velocity.
38      * Velocity is directional:
39      * <ul>
40      *     <li>velocity < 0 means swipe direction is up</li>
41      *     <li>velocity > 0 means swipe direction is down</li>
42      * </ul>
43      */
setSwipeVelocity(float velocity)44     void setSwipeVelocity(float velocity);
45 
46     /**
47      * Check if view is dragged past collapse threshold or swipe up velocity exceeds min velocity
48      * required to collapse the view
49      */
shouldCollapse()50     boolean shouldCollapse();
51 
52     /**
53      * Animate view to collapsed state
54      *
55      * @param startStackCollapse runnable that is triggered when bubbles can start moving back to
56      *                           their collapsed location
57      * @param after              runnable to run after animation is complete
58      */
animateCollapse(Runnable startStackCollapse, Runnable after)59     void animateCollapse(Runnable startStackCollapse, Runnable after);
60 
61     /**
62      * Animate the view back to fully expanded state.
63      */
animateBackToExpanded()64     void animateBackToExpanded();
65 
66     /**
67      * Animate view for IME visibility change
68      */
animateForImeVisibilityChange(boolean visible)69     void animateForImeVisibilityChange(boolean visible);
70 
71     /**
72      * Reset the view to fully expanded state
73      */
reset()74     void reset();
75 }
76