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      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 
     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