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      1 /*
      2  * Copyright (C) 2015 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 package com.android.messaging.ui.contact;
     17 
     18 import android.content.Context;
     19 import android.net.Uri;
     20 
     21 import com.android.ex.chips.PhotoManager;
     22 import com.android.ex.chips.RecipientEntry;
     23 import com.android.messaging.Factory;
     24 import com.android.messaging.R;
     25 import com.android.messaging.datamodel.data.ParticipantData;
     26 import com.android.messaging.datamodel.media.AvatarRequestDescriptor;
     27 import com.android.messaging.datamodel.media.BindableMediaRequest;
     28 import com.android.messaging.datamodel.media.ImageResource;
     29 import com.android.messaging.datamodel.media.MediaRequest;
     30 import com.android.messaging.datamodel.media.MediaResourceManager;
     31 import com.android.messaging.datamodel.media.MediaResourceManager.MediaResourceLoadListener;
     32 import com.android.messaging.util.AvatarUriUtil;
     33 import com.android.messaging.util.LogUtil;
     34 import com.android.messaging.util.ThreadUtil;
     35 
     36 /**
     37  * An implementation of {@link PhotoManager} that hooks up the chips UI's photos with our own
     38  * {@link MediaResourceManager} for retrieving and caching contact avatars.
     39  */
     40 public class ContactRecipientPhotoManager implements PhotoManager {
     41     private static final String IMAGE_BYTES_REQUEST_STATIC_BINDING_ID = "imagebytes";
     42     private final Context mContext;
     43     private final int mIconSize;
     44     private final ContactListItemView.HostInterface mClivHostInterface;
     45 
     46     public ContactRecipientPhotoManager(final Context context,
     47             final ContactListItemView.HostInterface clivHostInterface) {
     48         mContext = context;
     49         mIconSize = context.getResources().getDimensionPixelSize(
     50                 R.dimen.compose_message_chip_height) - context.getResources().getDimensionPixelSize(
     51                         R.dimen.compose_message_chip_padding) * 2;
     52         mClivHostInterface = clivHostInterface;
     53     }
     54 
     55     /**
     56      * {@inheritDoc}
     57      */
     58     @Override
     59     public void populatePhotoBytesAsync(final RecipientEntry entry,
     60             final PhotoManagerCallback callback) {
     61         // Post all media resource request to the main thread.
     62         ThreadUtil.getMainThreadHandler().post(new Runnable() {
     63             @Override
     64             public void run() {
     65                 final Uri avatarUri = AvatarUriUtil.createAvatarUri(
     66                         ParticipantData.getFromRecipientEntry(entry));
     67                 final AvatarRequestDescriptor descriptor =
     68                         new AvatarRequestDescriptor(avatarUri, mIconSize, mIconSize);
     69                 final BindableMediaRequest<ImageResource> req = descriptor.buildAsyncMediaRequest(
     70                         mContext,
     71                         new MediaResourceLoadListener<ImageResource>() {
     72                     @Override
     73                     public void onMediaResourceLoaded(final MediaRequest<ImageResource> request,
     74                             final ImageResource resource, final boolean isCached) {
     75                         entry.setPhotoBytes(resource.getBytes());
     76                         callback.onPhotoBytesAsynchronouslyPopulated();
     77                     }
     78 
     79                     @Override
     80                     public void onMediaResourceLoadError(final MediaRequest<ImageResource> request,
     81                             final Exception exception) {
     82                         LogUtil.e(LogUtil.BUGLE_TAG, "Photo bytes loading failed due to " +
     83                                 exception + " request key=" + request.getKey());
     84 
     85                         // Fall back to the default avatar image.
     86                         callback.onPhotoBytesAsyncLoadFailed();
     87                     }});
     88 
     89                 // Statically bind the request since it's not bound to any specific piece of UI.
     90                 req.bind(IMAGE_BYTES_REQUEST_STATIC_BINDING_ID);
     91 
     92                 Factory.get().getMediaResourceManager().requestMediaResourceAsync(req);
     93             }
     94         });
     95     }
     96 }
     97