1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.ui; 19 20 import android.content.Context; 21 import android.graphics.Bitmap; 22 import android.graphics.BitmapFactory; 23 import android.util.Log; 24 25 import com.android.mms.R; 26 import com.android.mms.model.AudioModel; 27 import com.android.mms.model.ImageModel; 28 import com.android.mms.model.Model; 29 import com.android.mms.model.SlideModel; 30 import com.android.mms.model.SlideshowModel; 31 import com.android.mms.model.VideoModel; 32 import com.android.mms.util.ItemLoadedCallback; 33 import com.android.mms.util.ItemLoadedFuture; 34 import com.android.mms.util.ThumbnailManager.ImageLoaded; 35 36 public class MmsThumbnailPresenter extends Presenter { 37 private static final String TAG = "MmsThumbnailPresenter"; 38 private ItemLoadedCallback mOnLoadedCallback; 39 MmsThumbnailPresenter(Context context, ViewInterface view, Model model)40 public MmsThumbnailPresenter(Context context, ViewInterface view, Model model) { 41 super(context, view, model); 42 } 43 44 @Override present(ItemLoadedCallback callback)45 public void present(ItemLoadedCallback callback) { 46 mOnLoadedCallback = callback; 47 SlideModel slide = ((SlideshowModel) mModel).get(0); 48 if (slide != null) { 49 presentFirstSlide((SlideViewInterface) mView, slide); 50 } 51 } 52 presentFirstSlide(SlideViewInterface view, SlideModel slide)53 private void presentFirstSlide(SlideViewInterface view, SlideModel slide) { 54 view.reset(); 55 56 if (slide.hasImage()) { 57 presentImageThumbnail(view, slide.getImage()); 58 } else if (slide.hasVideo()) { 59 presentVideoThumbnail(view, slide.getVideo()); 60 } else if (slide.hasAudio()) { 61 presentAudioThumbnail(view, slide.getAudio()); 62 } 63 } 64 65 private ItemLoadedCallback<ImageLoaded> mImageLoadedCallback = 66 new ItemLoadedCallback<ImageLoaded>() { 67 public void onItemLoaded(ImageLoaded imageLoaded, Throwable exception) { 68 if (exception == null) { 69 if (mOnLoadedCallback != null) { 70 mOnLoadedCallback.onItemLoaded(imageLoaded, exception); 71 } else { 72 // Right now we're only handling image and video loaded callbacks. 73 SlideModel slide = ((SlideshowModel) mModel).get(0); 74 if (slide != null) { 75 if (slide.hasVideo() && imageLoaded.mIsVideo) { 76 ((SlideViewInterface)mView).setVideoThumbnail(null, 77 imageLoaded.mBitmap); 78 } else if (slide.hasImage() && !imageLoaded.mIsVideo) { 79 ((SlideViewInterface)mView).setImage(null, imageLoaded.mBitmap); 80 } 81 } 82 } 83 } 84 } 85 }; 86 presentVideoThumbnail(SlideViewInterface view, VideoModel video)87 private void presentVideoThumbnail(SlideViewInterface view, VideoModel video) { 88 video.loadThumbnailBitmap(mImageLoadedCallback); 89 } 90 presentImageThumbnail(SlideViewInterface view, ImageModel image)91 private void presentImageThumbnail(SlideViewInterface view, ImageModel image) { 92 image.loadThumbnailBitmap(mImageLoadedCallback); 93 } 94 presentAudioThumbnail(SlideViewInterface view, AudioModel audio)95 protected void presentAudioThumbnail(SlideViewInterface view, AudioModel audio) { 96 view.setAudio(audio.getUri(), audio.getSrc(), audio.getExtras()); 97 } 98 onModelChanged(Model model, boolean dataChanged)99 public void onModelChanged(Model model, boolean dataChanged) { 100 // TODO Auto-generated method stub 101 } 102 cancelBackgroundLoading()103 public void cancelBackgroundLoading() { 104 // Currently we only support background loading of thumbnails. If we extend background 105 // loading to other media types, we should add a cancelLoading API to Model. 106 SlideModel slide = ((SlideshowModel) mModel).get(0); 107 if (slide != null && slide.hasImage()) { 108 slide.getImage().cancelThumbnailLoading(); 109 } 110 } 111 112 } 113