TaskViewTransform.java revision b5ddfc375616bf7dbe9f4ff85ad124f02cc5990f 
1/*
2 * Copyright (C) 2014 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.recents.views;
18
19import android.graphics.Rect;
20
21
22/* The transform state for a task view */
23public class TaskViewTransform {
24    public int translationY = 0;
25    public int translationZ = 0;
26    public float scale = 1f;
27    public float alpha = 1f;
28    public float dismissAlpha = 1f;
29    public boolean visible = false;
30    public Rect rect = new Rect();
31    float t;
32
33    public TaskViewTransform() {
34        // Do nothing
35    }
36
37    public TaskViewTransform(TaskViewTransform o) {
38        translationY = o.translationY;
39        translationZ = o.translationZ;
40        scale = o.scale;
41        alpha = o.alpha;
42        dismissAlpha = o.dismissAlpha;
43        visible = o.visible;
44        rect.set(o.rect);
45        t = o.t;
46    }
47
48    /** Convenience functions to compare against current property values */
49    public boolean hasAlphaChangedFrom(float v) {
50        return (Float.compare(alpha, v) != 0);
51    }
52    public boolean hasDismissAlphaChangedFrom(float v) {
53        return (Float.compare(dismissAlpha, v) != 0);
54    }
55    public boolean hasScaleChangedFrom(float v) {
56        return (Float.compare(scale, v) != 0);
57    }
58    public boolean hasTranslationYChangedFrom(float v) {
59        return (Float.compare(translationY, v) != 0);
60    }
61    public boolean hasTranslationZChangedFrom(float v) {
62        return (Float.compare(translationZ, v) != 0);
63    }
64
65    @Override
66    public String toString() {
67        return "TaskViewTransform y: " + translationY + " z: " + translationZ + " scale: " + scale +
68                " alpha: " + alpha + " visible: " + visible + " rect: " + rect +
69                " dismissAlpha: " + dismissAlpha;
70    }
71}
72