1 files changed, 72 insertions, 0 deletions
diff --git a/src/org/codeaurora/gallery3d/ext/MovieList.java b/src/org/codeaurora/gallery3d/ext/MovieList.java
new file mode 100644
index 000000000..ecb7f0db3
--- /dev/null
+++ b/src/org/codeaurora/gallery3d/ext/MovieList.java
@@ -0,0 +1,72 @@
+package org.codeaurora.gallery3d.ext;
+
+import android.util.Log;
+
+import java.util.ArrayList;
+
+public class MovieList implements IMovieList {
+    private static final String TAG = "MovieList";
+    private static final boolean LOG = false;
+    
+    private final ArrayList<IMovieItem> mItems = new ArrayList<IMovieItem>();
+    private static final int UNKNOWN = -1;
+    
+    @Override
+    public void add(IMovieItem item) {
+        if (LOG) {
+            Log.v(TAG, "add(" + item + ")");
+        }
+        mItems.add(item);
+    }
+    
+    @Override
+    public int index(IMovieItem item) {
+        int find = UNKNOWN;
+        int size = mItems.size();
+        for (int i = 0; i < size; i++) {
+            if (item == mItems.get(i)) {
+                find = i;
+                break;
+            }
+        }
+        if (LOG) {
+            Log.v(TAG, "index(" + item + ") return " + find);
+        }
+        return find;
+    }
+    
+    @Override
+    public int size() {
+        return mItems.size();
+    }
+    
+    @Override
+    public IMovieItem getNext(IMovieItem item) {
+        IMovieItem next = null;
+        int find = index(item);
+        if (find >= 0 && find < size() - 1) {
+            next = mItems.get(++find);
+        }
+        return next;
+    }
+    
+    @Override
+    public IMovieItem getPrevious(IMovieItem item) {
+        IMovieItem prev = null;
+        int find = index(item);
+        if (find > 0 && find < size()) {
+            prev = mItems.get(--find);
+        }
+        return prev;
+    }
+
+    @Override
+    public boolean isFirst(IMovieItem item) {
+        return getPrevious(item) == null;
+    }
+
+    @Override
+    public boolean isLast(IMovieItem item) {
+        return getNext(item) == null;
+    }
+}