1 files changed, 70 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/SnailSource.java b/src/com/android/gallery3d/data/SnailSource.java
new file mode 100644
index 000000000..5c690ccdb
--- /dev/null
+++ b/src/com/android/gallery3d/data/SnailSource.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2012 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 SnailSource extends MediaSource {
+    @SuppressWarnings("unused")
+    private static final String TAG = "SnailSource";
+    private static final int SNAIL_ALBUM = 0;
+    private static final int SNAIL_ITEM = 1;
+
+    private GalleryApp mApplication;
+    private PathMatcher mMatcher;
+    private static int sNextId;
+
+    public SnailSource(GalleryApp application) {
+        super("snail");
+        mApplication = application;
+        mMatcher = new PathMatcher();
+        mMatcher.add("/snail/set/*", SNAIL_ALBUM);
+        mMatcher.add("/snail/item/*", SNAIL_ITEM);
+    }
+
+    // The only path we accept is "/snail/set/id" and "/snail/item/id"
+    @Override
+    public MediaObject createMediaObject(Path path) {
+        DataManager dataManager = mApplication.getDataManager();
+        switch (mMatcher.match(path)) {
+            case SNAIL_ALBUM:
+                String itemPath = "/snail/item/" + mMatcher.getVar(0);
+                SnailItem item =
+                        (SnailItem) dataManager.getMediaObject(itemPath);
+                return new SnailAlbum(path, item);
+            case SNAIL_ITEM: {
+                int id = mMatcher.getIntVar(0);
+                return new SnailItem(path);
+            }
+        }
+        return null;
+    }
+
+    // Registers a new SnailAlbum containing a SnailItem and returns the id of
+    // them. You can obtain the Path of the SnailAlbum and SnailItem associated
+    // with the id by getSetPath and getItemPath().
+    public static synchronized int newId() {
+        return sNextId++;
+    }
+
+    public static Path getSetPath(int id) {
+        return Path.fromString("/snail/set").getChild(id);
+    }
+
+    public static Path getItemPath(int id) {
+        return Path.fromString("/snail/item").getChild(id);
+    }
+}