1 /* 2 * Copyright (C) 2021 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.providers.media.photopicker.ui; 18 19 import android.content.Context; 20 import android.view.SurfaceHolder; 21 import android.view.SurfaceView; 22 import android.view.View; 23 import android.view.ViewGroup; 24 import android.widget.ImageButton; 25 import android.widget.ImageView; 26 27 import androidx.viewpager2.widget.ViewPager2; 28 29 import com.android.providers.media.R; 30 import com.android.providers.media.photopicker.data.model.Item; 31 32 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout; 33 34 /** 35 * ViewHolder of a video item within the {@link ViewPager2} 36 */ 37 public class PreviewVideoHolder extends BaseViewHolder { 38 39 private final ImageLoader mImageLoader; 40 private final ImageView mImageView; 41 private final SurfaceView mSurfaceView; 42 private final AspectRatioFrameLayout mPlayerFrame; 43 private final View mPlayerContainer; 44 private final View mPlayerControlsRoot; 45 private final ImageButton mPlayPauseButton; 46 private final ImageButton mMuteButton; 47 PreviewVideoHolder(Context context, ViewGroup parent, ImageLoader imageLoader, boolean enabledCloudMediaPreview)48 PreviewVideoHolder(Context context, ViewGroup parent, ImageLoader imageLoader, 49 boolean enabledCloudMediaPreview) { 50 super(context, parent, enabledCloudMediaPreview ? R.layout.item_cloud_video_preview 51 : R.layout.item_video_preview); 52 53 mImageLoader = imageLoader; 54 mImageView = itemView.findViewById(R.id.preview_video_image); 55 mSurfaceView = enabledCloudMediaPreview ? itemView.findViewById(R.id.preview_player_view) 56 : null; 57 mPlayerFrame = enabledCloudMediaPreview ? 58 itemView.findViewById(R.id.preview_player_frame) : null; 59 mPlayerContainer = enabledCloudMediaPreview ? 60 itemView.findViewById(R.id.preview_player_container) : null; 61 mPlayerControlsRoot = enabledCloudMediaPreview ? itemView.findViewById( 62 R.id.preview_player_controls) : null; 63 mPlayPauseButton = enabledCloudMediaPreview ? itemView.findViewById( 64 R.id.exo_play_pause) : null; 65 mMuteButton = enabledCloudMediaPreview ? itemView.findViewById( 66 R.id.preview_mute) : null; 67 } 68 69 @Override bind()70 public void bind() { 71 // Video playback needs granular page state events and hence video playback is initiated by 72 // ViewPagerWrapper and handled by PlaybackHandler#handleVideoPlayback. 73 // Here, we set the ImageView with thumbnail from the video, to improve the 74 // user experience while video player is not yet initialized or being prepared. 75 final Item item = (Item) itemView.getTag(); 76 mImageLoader.loadImageFromVideoForPreview(item, mImageView); 77 } 78 getThumbnailView()79 public ImageView getThumbnailView() { 80 return mImageView; 81 } 82 getSurfaceHolder()83 public SurfaceHolder getSurfaceHolder() { 84 return mSurfaceView.getHolder(); 85 } 86 getPlayerFrame()87 public AspectRatioFrameLayout getPlayerFrame() { 88 return mPlayerFrame; 89 } 90 getPlayerContainer()91 public View getPlayerContainer() { 92 return mPlayerContainer; 93 } 94 getPlayerControlsRoot()95 public View getPlayerControlsRoot() { 96 return mPlayerControlsRoot; 97 } 98 getPlayPauseButton()99 public ImageButton getPlayPauseButton() { 100 return mPlayPauseButton; 101 } 102 getMuteButton()103 public ImageButton getMuteButton() { 104 return mMuteButton; 105 } 106 } 107