1 files changed, 86 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/ClusterSource.java b/src/com/android/gallery3d/data/ClusterSource.java
new file mode 100644
index 000000000..a1f22e57a
--- /dev/null
+++ b/src/com/android/gallery3d/data/ClusterSource.java
@@ -0,0 +1,86 @@
+/*
+ * 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;
+
+class ClusterSource extends MediaSource {
+    static final int CLUSTER_ALBUMSET_TIME = 0;
+    static final int CLUSTER_ALBUMSET_LOCATION = 1;
+    static final int CLUSTER_ALBUMSET_TAG = 2;
+    static final int CLUSTER_ALBUMSET_SIZE = 3;
+    static final int CLUSTER_ALBUMSET_FACE = 4;
+
+    static final int CLUSTER_ALBUM_TIME = 0x100;
+    static final int CLUSTER_ALBUM_LOCATION = 0x101;
+    static final int CLUSTER_ALBUM_TAG = 0x102;
+    static final int CLUSTER_ALBUM_SIZE = 0x103;
+    static final int CLUSTER_ALBUM_FACE = 0x104;
+
+    GalleryApp mApplication;
+    PathMatcher mMatcher;
+
+    public ClusterSource(GalleryApp application) {
+        super("cluster");
+        mApplication = application;
+        mMatcher = new PathMatcher();
+        mMatcher.add("/cluster/*/time", CLUSTER_ALBUMSET_TIME);
+        mMatcher.add("/cluster/*/location", CLUSTER_ALBUMSET_LOCATION);
+        mMatcher.add("/cluster/*/tag", CLUSTER_ALBUMSET_TAG);
+        mMatcher.add("/cluster/*/size", CLUSTER_ALBUMSET_SIZE);
+        mMatcher.add("/cluster/*/face", CLUSTER_ALBUMSET_FACE);
+
+        mMatcher.add("/cluster/*/time/*", CLUSTER_ALBUM_TIME);
+        mMatcher.add("/cluster/*/location/*", CLUSTER_ALBUM_LOCATION);
+        mMatcher.add("/cluster/*/tag/*", CLUSTER_ALBUM_TAG);
+        mMatcher.add("/cluster/*/size/*", CLUSTER_ALBUM_SIZE);
+        mMatcher.add("/cluster/*/face/*", CLUSTER_ALBUM_FACE);
+    }
+
+    // The names we accept are:
+    // /cluster/{set}/time      /cluster/{set}/time/k
+    // /cluster/{set}/location  /cluster/{set}/location/k
+    // /cluster/{set}/tag       /cluster/{set}/tag/encoded_tag
+    // /cluster/{set}/size      /cluster/{set}/size/min_size
+    @Override
+    public MediaObject createMediaObject(Path path) {
+        int matchType = mMatcher.match(path);
+        String setsName = mMatcher.getVar(0);
+        DataManager dataManager = mApplication.getDataManager();
+        MediaSet[] sets = dataManager.getMediaSetsFromString(setsName);
+        switch (matchType) {
+            case CLUSTER_ALBUMSET_TIME:
+            case CLUSTER_ALBUMSET_LOCATION:
+            case CLUSTER_ALBUMSET_TAG:
+            case CLUSTER_ALBUMSET_SIZE:
+            case CLUSTER_ALBUMSET_FACE:
+                return new ClusterAlbumSet(path, mApplication, sets[0], matchType);
+            case CLUSTER_ALBUM_TIME:
+            case CLUSTER_ALBUM_LOCATION:
+            case CLUSTER_ALBUM_TAG:
+            case CLUSTER_ALBUM_SIZE:
+            case CLUSTER_ALBUM_FACE: {
+                MediaSet parent = dataManager.getMediaSet(path.getParent());
+                // The actual content in the ClusterAlbum will be filled later
+                // when the reload() method in the parent is run.
+                return new ClusterAlbum(path, dataManager, parent);
+            }
+            default:
+                throw new RuntimeException("bad path: " + path);
+        }
+    }
+}