1 files changed, 43 insertions, 0 deletions
diff --git a/chromium/ash/wm/gestures/shelf_gesture_handler.h b/chromium/ash/wm/gestures/shelf_gesture_handler.h
new file mode 100644
index 00000000000..90dfd7c923e
--- /dev/null
+++ b/chromium/ash/wm/gestures/shelf_gesture_handler.h
@@ -0,0 +1,43 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_
+#define ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace ui {
+class GestureEvent;
+}
+
+namespace ash {
+namespace internal {
+
+class TrayGestureHandler;
+
+// This manages gestures on the shelf (e.g. launcher, status tray) that affects
+// the shelf visibility.
+class ShelfGestureHandler {
+ public:
+  ShelfGestureHandler();
+  virtual ~ShelfGestureHandler();
+
+  // Processes a gesture event and updates the status of the shelf when
+  // appropriate. Returns true of the gesture has been handled and it should not
+  // be processed any farther, false otherwise.
+  bool ProcessGestureEvent(const ui::GestureEvent& event);
+
+ private:
+  bool drag_in_progress_;
+
+  scoped_ptr<TrayGestureHandler> tray_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShelfGestureHandler);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_WM_GESTURES_SHELF_GESTURE_HANDLER_H_