1 files changed, 54 insertions, 0 deletions
diff --git a/src/com/android/photos/drawables/DataUriThumbnailDrawable.java b/src/com/android/photos/drawables/DataUriThumbnailDrawable.java
new file mode 100644
index 000000000..c83b0c8fa
--- /dev/null
+++ b/src/com/android/photos/drawables/DataUriThumbnailDrawable.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2013 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.photos.drawables;
+
+import android.media.ExifInterface;
+import android.text.TextUtils;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class DataUriThumbnailDrawable extends AutoThumbnailDrawable<String> {
+
+    @Override
+    protected byte[] getPreferredImageBytes(String data) {
+        byte[] thumbnail = null;
+        try {
+            ExifInterface exif = new ExifInterface(data);
+            if (exif.hasThumbnail()) {
+                thumbnail = exif.getThumbnail();
+             }
+        } catch (IOException e) { }
+        return thumbnail;
+    }
+
+    @Override
+    protected InputStream getFallbackImageStream(String data) {
+        try {
+            return new FileInputStream(data);
+        } catch (FileNotFoundException e) {
+            return null;
+        }
+    }
+
+    @Override
+    protected boolean dataChangedLocked(String data) {
+        return !TextUtils.equals(mData, data);
+    }
+}