1 /*
2  * Copyright (C) 2020 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.quickstep.interaction;
17 
18 import android.animation.Animator;
19 import android.animation.AnimatorListenerAdapter;
20 import android.animation.AnimatorSet;
21 import android.view.MotionEvent;
22 import android.view.View;
23 
24 import androidx.annotation.Nullable;
25 
26 import com.android.launcher3.R;
27 import com.android.quickstep.interaction.TutorialController.TutorialType;
28 
29 import java.util.ArrayList;
30 
31 /** Shows the Overview gesture interactive tutorial. */
32 public class OverviewGestureTutorialFragment extends TutorialFragment {
33 
34     @Nullable
35     @Override
getEdgeAnimationResId()36     Integer getEdgeAnimationResId() {
37         return R.drawable.gesture_tutorial_loop_overview;
38     }
39 
40     @Nullable
41     @Override
createGestureAnimation()42     protected Animator createGestureAnimation() {
43         if (!(mTutorialController instanceof OverviewGestureTutorialController)) {
44             return null;
45         }
46         float fingerDotStartTranslationY = (float) mRootView.getFullscreenHeight() / 2;
47         OverviewGestureTutorialController controller =
48                 (OverviewGestureTutorialController) mTutorialController;
49 
50         AnimatorSet fingerDotAppearanceAnimator = controller.createFingerDotAppearanceAnimatorSet();
51         fingerDotAppearanceAnimator.addListener(new AnimatorListenerAdapter() {
52             @Override
53             public void onAnimationStart(Animator animation) {
54                 super.onAnimationStart(animation);
55 
56                 mFingerDotView.setTranslationY(fingerDotStartTranslationY);
57             }
58         });
59 
60         AnimatorSet fingerDotDisappearanceAnimator =
61                 controller.createFingerDotDisappearanceAnimatorSet();
62         fingerDotDisappearanceAnimator.addListener(new AnimatorListenerAdapter() {
63             @Override
64             public void onAnimationStart(Animator animation) {
65                 super.onAnimationStart(animation);
66                 controller.animateTaskViewToOverview();
67             }
68         });
69 
70         Animator animationPause = controller.createAnimationPause();
71         animationPause.addListener(new AnimatorListenerAdapter() {
72             @Override
73             public void onAnimationEnd(Animator animation) {
74                 super.onAnimationEnd(animation);
75                 controller.resetFakeTaskView(false);
76             }
77         });
78         ArrayList<Animator> animators = new ArrayList<>();
79 
80         animators.add(fingerDotAppearanceAnimator);
81         animators.add(controller.createFingerDotOverviewSwipeAnimator(fingerDotStartTranslationY));
82         animators.add(controller.createAnimationPause());
83         animators.add(fingerDotDisappearanceAnimator);
84         animators.add(animationPause);
85 
86         AnimatorSet finalAnimation = new AnimatorSet();
87         finalAnimation.addListener(new AnimatorListenerAdapter() {
88             @Override
89             public void onAnimationCancel(Animator animation) {
90                 super.onAnimationCancel(animation);
91                 controller.resetFakeTaskView(false);
92             }
93         });
94         finalAnimation.playSequentially(animators);
95 
96         return finalAnimation;
97     }
98 
99     @Override
createController(TutorialType type)100     TutorialController createController(TutorialType type) {
101         return new OverviewGestureTutorialController(this, type);
102     }
103 
104     @Override
getControllerClass()105     Class<? extends TutorialController> getControllerClass() {
106         return OverviewGestureTutorialController.class;
107     }
108 
109     @Override
onTouch(View view, MotionEvent motionEvent)110     public boolean onTouch(View view, MotionEvent motionEvent) {
111         releaseFeedbackAnimation();
112         return super.onTouch(view, motionEvent);
113     }
114 }
115