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/*
* 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);
}
}
}
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