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      1 // CHECKSTYLE:OFF Generated code
      2 /* This file is auto-generated from VideoSupportFragment.java.  DO NOT MODIFY. */
      3 
      4 /*
      5  * Copyright (C) 2016 The Android Open Source Project
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      8  * in compliance with the License. You may obtain a copy of the License at
      9  *
     10  * http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software distributed under the License
     13  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     14  * or implied. See the License for the specific language governing permissions and limitations under
     15  * the License.
     16  */
     17 package androidx.leanback.app;
     18 
     19 import android.os.Bundle;
     20 import android.view.LayoutInflater;
     21 import android.view.SurfaceHolder;
     22 import android.view.SurfaceView;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 
     26 import androidx.leanback.R;
     27 
     28 /**
     29  * Subclass of {@link PlaybackFragment} that is responsible for providing a {@link SurfaceView}
     30  * and rendering video.
     31  * @deprecated use {@link VideoSupportFragment}
     32  */
     33 @Deprecated
     34 public class VideoFragment extends PlaybackFragment {
     35     static final int SURFACE_NOT_CREATED = 0;
     36     static final int SURFACE_CREATED = 1;
     37 
     38     SurfaceView mVideoSurface;
     39     SurfaceHolder.Callback mMediaPlaybackCallback;
     40 
     41     int mState = SURFACE_NOT_CREATED;
     42 
     43     @Override
     44     public View onCreateView(
     45             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     46         ViewGroup root = (ViewGroup) super.onCreateView(inflater, container, savedInstanceState);
     47         mVideoSurface = (SurfaceView) LayoutInflater.from(FragmentUtil.getContext(VideoFragment.this)).inflate(
     48                 R.layout.lb_video_surface, root, false);
     49         root.addView(mVideoSurface, 0);
     50         mVideoSurface.getHolder().addCallback(new SurfaceHolder.Callback() {
     51 
     52             @Override
     53             public void surfaceCreated(SurfaceHolder holder) {
     54                 if (mMediaPlaybackCallback != null) {
     55                     mMediaPlaybackCallback.surfaceCreated(holder);
     56                 }
     57                 mState = SURFACE_CREATED;
     58             }
     59 
     60             @Override
     61             public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
     62                 if (mMediaPlaybackCallback != null) {
     63                     mMediaPlaybackCallback.surfaceChanged(holder, format, width, height);
     64                 }
     65             }
     66 
     67             @Override
     68             public void surfaceDestroyed(SurfaceHolder holder) {
     69                 if (mMediaPlaybackCallback != null) {
     70                     mMediaPlaybackCallback.surfaceDestroyed(holder);
     71                 }
     72                 mState = SURFACE_NOT_CREATED;
     73             }
     74         });
     75         setBackgroundType(PlaybackFragment.BG_LIGHT);
     76         return root;
     77     }
     78 
     79     /**
     80      * Adds {@link SurfaceHolder.Callback} to {@link android.view.SurfaceView}.
     81      */
     82     public void setSurfaceHolderCallback(SurfaceHolder.Callback callback) {
     83         mMediaPlaybackCallback = callback;
     84 
     85         if (callback != null) {
     86             if (mState == SURFACE_CREATED) {
     87                 mMediaPlaybackCallback.surfaceCreated(mVideoSurface.getHolder());
     88             }
     89         }
     90     }
     91 
     92     @Override
     93     protected void onVideoSizeChanged(int width, int height) {
     94         int screenWidth = getView().getWidth();
     95         int screenHeight = getView().getHeight();
     96 
     97         ViewGroup.LayoutParams p = mVideoSurface.getLayoutParams();
     98         if (screenWidth * height > width * screenHeight) {
     99             // fit in screen height
    100             p.height = screenHeight;
    101             p.width = screenHeight * width / height;
    102         } else {
    103             // fit in screen width
    104             p.width = screenWidth;
    105             p.height = screenWidth * height / width;
    106         }
    107         mVideoSurface.setLayoutParams(p);
    108     }
    109 
    110     /**
    111      * Returns the surface view.
    112      */
    113     public SurfaceView getSurfaceView() {
    114         return mVideoSurface;
    115     }
    116 
    117     @Override
    118     public void onDestroyView() {
    119         mVideoSurface = null;
    120         mState = SURFACE_NOT_CREATED;
    121         super.onDestroyView();
    122     }
    123 }
    124