| /* |
| * Copyright (C) 2010 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.gallery3d.data; |
| |
| import com.android.gallery3d.app.GalleryApp; |
| |
| public class FilterSource extends MediaSource { |
| @SuppressWarnings("unused") |
| private static final String TAG = "FilterSource"; |
| private static final int FILTER_BY_MEDIATYPE = 0; |
| private static final int FILTER_BY_DELETE = 1; |
| private static final int FILTER_BY_EMPTY = 2; |
| private static final int FILTER_BY_EMPTY_ITEM = 3; |
| private static final int FILTER_BY_CAMERA_SHORTCUT = 4; |
| private static final int FILTER_BY_CAMERA_SHORTCUT_ITEM = 5; |
| |
| public static final String FILTER_EMPTY_ITEM = "/filter/empty_prompt"; |
| public static final String FILTER_CAMERA_SHORTCUT = "/filter/camera_shortcut"; |
| private static final String FILTER_CAMERA_SHORTCUT_ITEM = "/filter/camera_shortcut_item"; |
| |
| private GalleryApp mApplication; |
| private PathMatcher mMatcher; |
| private MediaItem mEmptyItem; |
| private MediaItem mCameraShortcutItem; |
| |
| public FilterSource(GalleryApp application) { |
| super("filter"); |
| mApplication = application; |
| mMatcher = new PathMatcher(); |
| mMatcher.add("/filter/mediatype/*/*", FILTER_BY_MEDIATYPE); |
| mMatcher.add("/filter/delete/*", FILTER_BY_DELETE); |
| mMatcher.add("/filter/empty/*", FILTER_BY_EMPTY); |
| mMatcher.add(FILTER_EMPTY_ITEM, FILTER_BY_EMPTY_ITEM); |
| mMatcher.add(FILTER_CAMERA_SHORTCUT, FILTER_BY_CAMERA_SHORTCUT); |
| mMatcher.add(FILTER_CAMERA_SHORTCUT_ITEM, FILTER_BY_CAMERA_SHORTCUT_ITEM); |
| |
| mEmptyItem = new EmptyAlbumImage(Path.fromString(FILTER_EMPTY_ITEM), |
| mApplication); |
| mCameraShortcutItem = new CameraShortcutImage( |
| Path.fromString(FILTER_CAMERA_SHORTCUT_ITEM), mApplication); |
| } |
| |
| // The name we accept are: |
| // /filter/mediatype/k/{set} where k is the media type we want. |
| // /filter/delete/{set} |
| @Override |
| public MediaObject createMediaObject(Path path) { |
| int matchType = mMatcher.match(path); |
| DataManager dataManager = mApplication.getDataManager(); |
| switch (matchType) { |
| case FILTER_BY_MEDIATYPE: { |
| int mediaType = mMatcher.getIntVar(0); |
| String setsName = mMatcher.getVar(1); |
| MediaSet[] sets = dataManager.getMediaSetsFromString(setsName); |
| return new FilterTypeSet(path, dataManager, sets[0], mediaType); |
| } |
| case FILTER_BY_DELETE: { |
| String setsName = mMatcher.getVar(0); |
| MediaSet[] sets = dataManager.getMediaSetsFromString(setsName); |
| return new FilterDeleteSet(path, sets[0]); |
| } |
| case FILTER_BY_EMPTY: { |
| String setsName = mMatcher.getVar(0); |
| MediaSet[] sets = dataManager.getMediaSetsFromString(setsName); |
| return new FilterEmptyPromptSet(path, sets[0], mEmptyItem); |
| } |
| case FILTER_BY_EMPTY_ITEM: { |
| return mEmptyItem; |
| } |
| case FILTER_BY_CAMERA_SHORTCUT: { |
| return new SingleItemAlbum(path, mCameraShortcutItem); |
| } |
| case FILTER_BY_CAMERA_SHORTCUT_ITEM: { |
| return mCameraShortcutItem; |
| } |
| default: |
| throw new RuntimeException("bad path: " + path); |
| } |
| } |
| } |