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 
17 package com.android.systemui.statusbar;
18 
19 import com.android.systemui.statusbar.notification.TransformState;
20 
21 /**
22  * A view that can be transformed to and from.
23  */
24 public interface TransformableView {
25     int TRANSFORMING_VIEW_ICON = 0;
26     int TRANSFORMING_VIEW_TITLE = 1;
27     int TRANSFORMING_VIEW_TEXT = 2;
28     int TRANSFORMING_VIEW_IMAGE = 3;
29     int TRANSFORMING_VIEW_PROGRESS = 4;
30     int TRANSFORMING_VIEW_ACTIONS = 5;
31 
32     /**
33      * Get the current state of a view in a transform animation
34      *
35      * @param fadingView which view we are interested in
36      * @return the current transform state of this viewtype
37      */
getCurrentState(int fadingView)38     TransformState getCurrentState(int fadingView);
39 
40     /**
41      * Transform to the given view
42      *
43      * @param notification the view to transform to
44      */
transformTo(TransformableView notification, Runnable endRunnable)45     void transformTo(TransformableView notification, Runnable endRunnable);
46 
47     /**
48      * Transform to the given view by a specified amount.
49      *
50      * @param notification the view to transform to
51      * @param transformationAmount how much transformation should be done
52      */
transformTo(TransformableView notification, float transformationAmount)53     void transformTo(TransformableView notification, float transformationAmount);
54 
55     /**
56      * Transform to this view from the given view
57      *
58      * @param notification the view to transform from
59      */
transformFrom(TransformableView notification)60     void transformFrom(TransformableView notification);
61 
62     /**
63      * Transform to this view from the given view by a specified amount.
64      *
65      * @param notification the view to transform from
66      * @param transformationAmount how much transformation should be done
67      */
transformFrom(TransformableView notification, float transformationAmount)68     void transformFrom(TransformableView notification, float transformationAmount);
69 
70     /**
71      * Set this view to be fully visible or gone
72      *
73      * @param visible
74      */
setVisible(boolean visible)75     void setVisible(boolean visible);
76 }
77