1 // CHECKSTYLE:OFF Generated code 2 /* This file is auto-generated from VideoFragment.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 android.support.v17.leanback.app; 18 19 import android.os.Bundle; 20 import android.support.v17.leanback.R; 21 import android.view.LayoutInflater; 22 import android.view.SurfaceHolder; 23 import android.view.SurfaceView; 24 import android.view.View; 25 import android.view.ViewGroup; 26 27 /** 28 * Subclass of {@link PlaybackSupportFragment} that is responsible for providing a {@link SurfaceView} 29 * and rendering video. 30 */ 31 public class VideoSupportFragment extends PlaybackSupportFragment { 32 static final int SURFACE_NOT_CREATED = 0; 33 static final int SURFACE_CREATED = 1; 34 35 SurfaceView mVideoSurface; 36 SurfaceHolder.Callback mMediaPlaybackCallback; 37 38 int mState = SURFACE_NOT_CREATED; 39 40 @Override onCreateView( LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)41 public View onCreateView( 42 LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 43 ViewGroup root = (ViewGroup) super.onCreateView(inflater, container, savedInstanceState); 44 mVideoSurface = (SurfaceView) LayoutInflater.from(getContext()).inflate( 45 R.layout.lb_video_surface, root, false); 46 root.addView(mVideoSurface, 0); 47 mVideoSurface.getHolder().addCallback(new SurfaceHolder.Callback() { 48 49 @Override 50 public void surfaceCreated(SurfaceHolder holder) { 51 if (mMediaPlaybackCallback != null) { 52 mMediaPlaybackCallback.surfaceCreated(holder); 53 } 54 mState = SURFACE_CREATED; 55 } 56 57 @Override 58 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { 59 if (mMediaPlaybackCallback != null) { 60 mMediaPlaybackCallback.surfaceChanged(holder, format, width, height); 61 } 62 } 63 64 @Override 65 public void surfaceDestroyed(SurfaceHolder holder) { 66 if (mMediaPlaybackCallback != null) { 67 mMediaPlaybackCallback.surfaceDestroyed(holder); 68 } 69 mState = SURFACE_NOT_CREATED; 70 } 71 }); 72 setBackgroundType(PlaybackSupportFragment.BG_LIGHT); 73 return root; 74 } 75 76 /** 77 * Adds {@link SurfaceHolder.Callback} to {@link android.view.SurfaceView}. 78 */ setSurfaceHolderCallback(SurfaceHolder.Callback callback)79 public void setSurfaceHolderCallback(SurfaceHolder.Callback callback) { 80 mMediaPlaybackCallback = callback; 81 82 if (callback != null) { 83 if (mState == SURFACE_CREATED) { 84 mMediaPlaybackCallback.surfaceCreated(mVideoSurface.getHolder()); 85 } 86 } 87 } 88 89 @Override onVideoSizeChanged(int width, int height)90 protected void onVideoSizeChanged(int width, int height) { 91 int screenWidth = getView().getWidth(); 92 int screenHeight = getView().getHeight(); 93 94 ViewGroup.LayoutParams p = mVideoSurface.getLayoutParams(); 95 if (screenWidth * height > width * screenHeight) { 96 // fit in screen height 97 p.height = screenHeight; 98 p.width = screenHeight * width / height; 99 } else { 100 // fit in screen width 101 p.width = screenWidth; 102 p.height = screenWidth * height / width; 103 } 104 mVideoSurface.setLayoutParams(p); 105 } 106 107 /** 108 * Returns the surface view. 109 */ getSurfaceView()110 public SurfaceView getSurfaceView() { 111 return mVideoSurface; 112 } 113 114 @Override onDestroyView()115 public void onDestroyView() { 116 mVideoSurface = null; 117 mState = SURFACE_NOT_CREATED; 118 super.onDestroyView(); 119 } 120 } 121