1 files changed, 56 insertions, 0 deletions
diff --git a/ui/wm/public/window_move_client.h b/ui/wm/public/window_move_client.h
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+++ b/ui/wm/public/window_move_client.h
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+// 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 UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_
+#define UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_
+
+#include "ui/aura/aura_export.h"
+#include "ui/gfx/vector2d.h"
+
+namespace gfx {
+class Point;
+}
+
+namespace aura {
+class Window;
+namespace client {
+
+enum WindowMoveResult {
+  MOVE_SUCCESSFUL,  // Moving window was successful.
+  MOVE_CANCELED    // Moving window was canceled.
+};
+
+enum WindowMoveSource {
+  WINDOW_MOVE_SOURCE_MOUSE,
+  WINDOW_MOVE_SOURCE_TOUCH,
+};
+
+// An interface implemented by an object that manages programatically keyed
+// window moving.
+class AURA_EXPORT WindowMoveClient {
+ public:
+  // Starts a nested message loop for moving the window. |drag_offset| is the
+  // offset from the window origin to the cursor when the drag was started.
+  // Returns MOVE_SUCCESSFUL if the move has completed successfully, or
+  // MOVE_CANCELED otherwise.
+  virtual WindowMoveResult RunMoveLoop(Window* window,
+                                       const gfx::Vector2d& drag_offset,
+                                       WindowMoveSource source) = 0;
+
+  // Ends a previously started move loop.
+  virtual void EndMoveLoop() = 0;
+
+ protected:
+  virtual ~WindowMoveClient() {}
+};
+
+// Sets/Gets the activation client for the specified window.
+AURA_EXPORT void SetWindowMoveClient(Window* window,
+                                     WindowMoveClient* client);
+AURA_EXPORT WindowMoveClient* GetWindowMoveClient(Window* window);
+
+}  // namespace client
+}  // namespace aura
+
+#endif  // UI_WM_PUBLIC_WINDOW_MOVE_CLIENT_H_