diff options
Diffstat (limited to 'src/com/android/messaging/datamodel/media/UriImageRequest.java')
-rw-r--r-- | src/com/android/messaging/datamodel/media/UriImageRequest.java | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/com/android/messaging/datamodel/media/UriImageRequest.java b/src/com/android/messaging/datamodel/media/UriImageRequest.java new file mode 100644 index 0000000..b4934ca --- /dev/null +++ b/src/com/android/messaging/datamodel/media/UriImageRequest.java @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.messaging.datamodel.media; + +import android.content.Context; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.util.List; + +/** + * Serves local content URI based image requests. + */ +public class UriImageRequest<D extends UriImageRequestDescriptor> extends ImageRequest<D> { + public UriImageRequest(final Context context, final D descriptor) { + super(context, descriptor); + } + + @Override + protected InputStream getInputStreamForResource() throws FileNotFoundException { + return mContext.getContentResolver().openInputStream(mDescriptor.uri); + } + + @Override + protected ImageResource loadMediaInternal(List<MediaRequest<ImageResource>> chainedTasks) + throws IOException { + final ImageResource resource = super.loadMediaInternal(chainedTasks); + // Check if the caller asked for compression. If so, chain an encoding task if possible. + if (mDescriptor.allowCompression && chainedTasks != null) { + @SuppressWarnings("unchecked") + final MediaRequest<ImageResource> chainedTask = (MediaRequest<ImageResource>) + resource.getMediaEncodingRequest(this); + if (chainedTask != null) { + chainedTasks.add(chainedTask); + // Don't cache decoded image resource since we'll perform compression and cache + // the compressed resource. + if (resource instanceof DecodedImageResource) { + ((DecodedImageResource) resource).setCacheable(false); + } + } + } + return resource; + } +} |