1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_ 6 #define UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_ 7 8 #include "ui/base/ui_base_types.h" 9 #include "ui/views/views_export.h" 10 11 namespace gfx { 12 class Point; 13 } 14 15 namespace views { 16 class View; 17 18 // ContextMenuController is responsible for showing the context menu for a 19 // View. To use a ContextMenuController invoke set_context_menu_controller on a 20 // View. When the appropriate user gesture occurs ShowContextMenu is invoked 21 // on the ContextMenuController. 22 // 23 // Setting a ContextMenuController on a view makes the view process mouse 24 // events. 25 // 26 // It is up to subclasses that do their own mouse processing to invoke 27 // the appropriate ContextMenuController method, typically by invoking super's 28 // implementation for mouse processing. 29 class VIEWS_EXPORT ContextMenuController { 30 public: 31 // Invoked to show the context menu for |source|. 32 // |point| is in screen coordinates. 33 virtual void ShowContextMenuForView(View* source, 34 const gfx::Point& point, 35 ui::MenuSourceType source_type) = 0; 36 37 protected: ~ContextMenuController()38 virtual ~ContextMenuController() {} 39 }; 40 41 } // namespace views 42 43 #endif // UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_ 44