1 files changed, 48 insertions, 0 deletions
diff --git a/src/com/android/camera/ImageTaskManager.java b/src/com/android/camera/ImageTaskManager.java
new file mode 100644
index 000000000..1324942fd
--- /dev/null
+++ b/src/com/android/camera/ImageTaskManager.java
@@ -0,0 +1,48 @@
+/*
+ * 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.camera;
+
+import android.net.Uri;
+
+/**
+ * The interface for background image processing task manager.
+ */
+interface ImageTaskManager {
+
+    /**
+     * Callback interface for task events.
+     */
+    public interface TaskListener {
+        public void onTaskQueued(String filePath, Uri imageUri);
+        public void onTaskDone(String filePath, Uri imageUri);
+        public void onTaskProgress(
+                String filePath, Uri imageUri, int progress);
+    }
+
+    public void addTaskListener(TaskListener l);
+
+    public void removeTaskListener(TaskListener l);
+
+    /**
+     * Get task progress by Uri.
+     *
+     * @param uri         The Uri of the final image file to identify the task.
+     * @return            Integer from 0 to 100, or -1. The percentage of the task done
+     *                    so far. -1 means not found.
+     */
+    public int getTaskProgress(Uri uri);
+}