1 // Copyright (c) 2013 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_TOUCHUI_TOUCH_EDITING_MENU_H_ 6 #define UI_VIEWS_TOUCHUI_TOUCH_EDITING_MENU_H_ 7 8 #include "ui/gfx/point.h" 9 #include "ui/views/bubble/bubble_delegate.h" 10 #include "ui/views/controls/button/button.h" 11 #include "ui/views/views_export.h" 12 13 namespace gfx { 14 class Canvas; 15 } 16 17 namespace views { 18 class TouchEditingMenuView; 19 class Widget; 20 21 class VIEWS_EXPORT TouchEditingMenuController { 22 public: 23 // Checks if the specified menu command is supported. 24 virtual bool IsCommandIdEnabled(int command_id) const = 0; 25 26 // Send a context menu command to the controller. 27 virtual void ExecuteCommand(int command_id, int event_flags) = 0; 28 29 // Tell the controller that user has selected the context menu button. 30 virtual void OpenContextMenu() = 0; 31 32 // Called when the menu is closed. 33 virtual void OnMenuClosed(TouchEditingMenuView* menu) = 0; 34 35 protected: ~TouchEditingMenuController()36 virtual ~TouchEditingMenuController() {} 37 }; 38 39 // A View that displays the touch context menu. 40 class VIEWS_EXPORT TouchEditingMenuView : public BubbleDelegateView, 41 public ButtonListener { 42 public: 43 virtual ~TouchEditingMenuView(); 44 45 // If there are no actions available for the menu, returns NULL. Otherwise, 46 // returns a new instance of TouchEditingMenuView. 47 static TouchEditingMenuView* Create(TouchEditingMenuController* controller, 48 gfx::Rect anchor_rect, 49 gfx::NativeView context); 50 51 void Close(); 52 53 private: 54 TouchEditingMenuView(TouchEditingMenuController* controller, 55 gfx::Rect anchor_rect, 56 gfx::NativeView context); 57 58 // views::WidgetDelegate overrides: 59 virtual void WindowClosing() OVERRIDE; 60 61 // Overridden from ButtonListener. 62 virtual void ButtonPressed(Button* sender, const ui::Event& event) OVERRIDE; 63 64 // Overridden from BubbleDelegateView. 65 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 66 67 // Queries the |controller_| for what elements to show in the menu and sizes 68 // the menu appropriately. 69 void CreateButtons(); 70 71 // Helper method to create a single button. 72 Button* CreateButton(const string16& title, int tag); 73 74 TouchEditingMenuController* controller_; 75 76 DISALLOW_COPY_AND_ASSIGN(TouchEditingMenuView); 77 }; 78 79 } // namespace views 80 81 #endif // UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_IMPL_H_ 82