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 com.android.systemui.statusbar;
18
19import com.android.systemui.statusbar.notification.TransformState;
20
21/**
22 * A view that can be transformed to and from.
23 */
24public interface TransformableView {
25    int TRANSFORMING_VIEW_HEADER = 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     */
38    TransformState getCurrentState(int fadingView);
39
40    /**
41     * Transform to the given view
42     *
43     * @param notification the view to transform to
44     */
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     */
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     */
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     */
68    void transformFrom(TransformableView notification, float transformationAmount);
69
70    /**
71     * Set this view to be fully visible or gone
72     *
73     * @param visible
74     */
75    void setVisible(boolean visible);
76}
77