1 files changed, 94 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/FilterSource.java b/src/com/android/gallery3d/data/FilterSource.java
new file mode 100644
index 000000000..d689fe336
--- /dev/null
+++ b/src/com/android/gallery3d/data/FilterSource.java
@@ -0,0 +1,94 @@
+/*
+ * 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);
+        }
+    }
+}