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 com.android.launcher3;
18 
19 
20 import android.animation.Animator;
21 import android.app.ActivityOptions;
22 import android.content.Context;
23 import android.graphics.Rect;
24 import android.graphics.drawable.Drawable;
25 import android.view.View;
26 
27 import com.android.launcher3.util.ResourceBasedOverride;
28 
29 /**
30  * Manages the opening and closing app transitions from Launcher.
31  */
32 public class LauncherAppTransitionManager implements ResourceBasedOverride {
33 
newInstance(Context context)34     public static LauncherAppTransitionManager newInstance(Context context) {
35         return Overrides.getObject(LauncherAppTransitionManager.class,
36                 context, R.string.app_transition_manager_class);
37     }
38 
getActivityLaunchOptions(Launcher launcher, View v)39     public ActivityOptions getActivityLaunchOptions(Launcher launcher, View v) {
40         int left = 0, top = 0;
41         int width = v.getMeasuredWidth(), height = v.getMeasuredHeight();
42         if (v instanceof BubbleTextView) {
43             // Launch from center of icon, not entire view
44             Drawable icon = ((BubbleTextView) v).getIcon();
45             if (icon != null) {
46                 Rect bounds = icon.getBounds();
47                 left = (width - bounds.width()) / 2;
48                 top = v.getPaddingTop();
49                 width = bounds.width();
50                 height = bounds.height();
51             }
52         }
53         return ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);
54     }
55 
supportsAdaptiveIconAnimation()56     public boolean supportsAdaptiveIconAnimation() {
57         return false;
58     }
59 
60     /**
61      * Number of animations which run on state properties.
62      */
getStateElementAnimationsCount()63     public int getStateElementAnimationsCount() {
64         return 0;
65     }
66 
createStateElementAnimation(int index, float... values)67     public Animator createStateElementAnimation(int index, float... values) {
68         throw new RuntimeException("Unknown gesture animation " + index);
69     }
70 }
71