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
17package com.android.gallery3d.app;
18
19import android.animation.Animator;
20import android.animation.Animator.AnimatorListener;
21import android.animation.ObjectAnimator;
22import android.content.Context;
23import android.view.MotionEvent;
24import android.view.View;
25
26import com.android.gallery3d.common.ApiHelper;
27
28/**
29 * The controller for the Trimming Video.
30 */
31public class TrimControllerOverlay extends CommonControllerOverlay  {
32
33    public TrimControllerOverlay(Context context) {
34        super(context);
35    }
36
37    @Override
38    protected void createTimeBar(Context context) {
39        mTimeBar = new TrimTimeBar(context, this);
40    }
41
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
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
84    public void setTimes(int currentTime, int totalTime, int trimStartTime, int trimEndTime) {
85        mTimeBar.setTime(currentTime, totalTime, trimStartTime, trimEndTime);
86    }
87
88    @Override
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