1 /*
2  * Copyright (C) 2012 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.gallery3d.app;
18 
19 import android.animation.Animator;
20 import android.animation.Animator.AnimatorListener;
21 import android.animation.ObjectAnimator;
22 import android.content.Context;
23 import android.view.MotionEvent;
24 import android.view.View;
25 
26 import com.android.gallery3d.common.ApiHelper;
27 
28 /**
29  * The controller for the Trimming Video.
30  */
31 public class TrimControllerOverlay extends CommonControllerOverlay  {
32 
TrimControllerOverlay(Context context)33     public TrimControllerOverlay(Context context) {
34         super(context);
35     }
36 
37     @Override
createTimeBar(Context context)38     protected void createTimeBar(Context context) {
39         mTimeBar = new TrimTimeBar(context, this);
40     }
41 
hidePlayButtonIfPlaying()42     private void hidePlayButtonIfPlaying() {
43         if (mState == State.PLAYING) {
44             mPlayPauseReplayView.setVisibility(View.INVISIBLE);
45         }
46         if (ApiHelper.HAS_OBJECT_ANIMATION) {
47             mPlayPauseReplayView.setAlpha(1f);
48         }
49     }
50 
51     @Override
showPlaying()52     public void showPlaying() {
53         super.showPlaying();
54         if (ApiHelper.HAS_OBJECT_ANIMATION) {
55             // Add animation to hide the play button while playing.
56             ObjectAnimator anim = ObjectAnimator.ofFloat(mPlayPauseReplayView, "alpha", 1f, 0f);
57             anim.setDuration(200);
58             anim.start();
59             anim.addListener(new AnimatorListener() {
60                 @Override
61                 public void onAnimationStart(Animator animation) {
62                 }
63 
64                 @Override
65                 public void onAnimationEnd(Animator animation) {
66                     hidePlayButtonIfPlaying();
67                 }
68 
69                 @Override
70                 public void onAnimationCancel(Animator animation) {
71                     hidePlayButtonIfPlaying();
72                 }
73 
74                 @Override
75                 public void onAnimationRepeat(Animator animation) {
76                 }
77             });
78         } else {
79             hidePlayButtonIfPlaying();
80         }
81     }
82 
83     @Override
setTimes(int currentTime, int totalTime, int trimStartTime, int trimEndTime)84     public void setTimes(int currentTime, int totalTime, int trimStartTime, int trimEndTime) {
85         mTimeBar.setTime(currentTime, totalTime, trimStartTime, trimEndTime);
86     }
87 
88     @Override
onTouchEvent(MotionEvent event)89     public boolean onTouchEvent(MotionEvent event) {
90         if (super.onTouchEvent(event)) {
91             return true;
92         }
93 
94         // The special thing here is that the State.ENDED include both cases of
95         // the video completed and current == trimEnd. Both request a replay.
96         switch (event.getAction()) {
97             case MotionEvent.ACTION_DOWN:
98                 if (mState == State.PLAYING || mState == State.PAUSED) {
99                     mListener.onPlayPause();
100                 } else if (mState == State.ENDED) {
101                     if (mCanReplay) {
102                         mListener.onReplay();
103                     }
104                 }
105                 break;
106             case MotionEvent.ACTION_UP:
107                 break;
108         }
109         return true;
110     }
111 }
112