| /* |
| * Copyright (C) 2013 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.camera.data; |
| |
| import android.content.Context; |
| |
| /** |
| * A helper class to load the metadata of |
| * {@link FilmstripItem}. |
| */ |
| public class MetadataLoader { |
| |
| /** |
| * Adds information to the data's metadata bundle if any is available and returns |
| * true if metadata was added and false otherwise. In either case, sets |
| * a flag indicating that we've cached any available metadata and don't need to |
| * load metadata again for this particular item. |
| * |
| * TODO: Replace with more explicit polymorphism. |
| * |
| * @param context A context. |
| * @param data The data to update metadata for. |
| * @return true if any metadata was added to the data, false otherwise. |
| */ |
| public static boolean loadMetadata(final Context context, final FilmstripItem data) { |
| boolean metadataAdded = false; |
| if (data.getAttributes().isImage()) { |
| metadataAdded |= PanoramaMetadataLoader.loadPanoramaMetadata( |
| context, data.getData().getUri(), data.getMetadata()); |
| metadataAdded |= RgbzMetadataLoader.loadRgbzMetadata( |
| context, data.getData().getUri(), data.getMetadata()); |
| } else if (data.getAttributes().isVideo()) { |
| metadataAdded = VideoRotationMetadataLoader.loadRotationMetadata(data); |
| } |
| data.getMetadata().setLoaded(true); |
| return metadataAdded; |
| } |
| } |
| |