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			236 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			236 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2012 The Chromium Embedded Framework Authors.
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| // Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| #ifndef CEF_LIBCEF_BROWSER_MENU_MODEL_IMPL_H_
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| #define CEF_LIBCEF_BROWSER_MENU_MODEL_IMPL_H_
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| #pragma once
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| 
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| #include <vector>
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| 
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| #include "include/cef_menu_model.h"
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| #include "include/cef_menu_model_delegate.h"
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| 
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| #include "base/threading/platform_thread.h"
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| #include "ui/base/models/menu_model.h"
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| #include "ui/gfx/font_list.h"
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| 
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| namespace content {
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| struct MenuItem;
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| }
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| 
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| class CefMenuModelImpl : public CefMenuModel {
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|  public:
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|   class Delegate {
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|    public:
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|     // Perform the action associated with the specified |command_id| and
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|     // optional |event_flags|.
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|     virtual void ExecuteCommand(CefRefPtr<CefMenuModelImpl> source,
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|                                 int command_id,
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|                                 cef_event_flags_t event_flags) = 0;
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| 
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|     // Called when the user moves the mouse outside the menu and over the owning
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|     // window.
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|     virtual void MouseOutsideMenu(CefRefPtr<CefMenuModelImpl> source,
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|                                   const gfx::Point& screen_point) {}
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| 
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|     // Called on unhandled open/close submenu keyboard commands. |is_rtl| will
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|     // be true if the menu is displaying a right-to-left language.
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|     virtual void UnhandledOpenSubmenu(CefRefPtr<CefMenuModelImpl> source,
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|                                       bool is_rtl) {}
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|     virtual void UnhandledCloseSubmenu(CefRefPtr<CefMenuModelImpl> source,
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|                                        bool is_rtl) {}
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| 
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|     // Called when the menu is about to show.
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|     virtual void MenuWillShow(CefRefPtr<CefMenuModelImpl> source) = 0;
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| 
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|     // Called when the menu has closed.
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|     virtual void MenuClosed(CefRefPtr<CefMenuModelImpl> source) = 0;
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| 
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|     // Allows the delegate to modify a menu item label before it's displayed.
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|     virtual bool FormatLabel(CefRefPtr<CefMenuModelImpl> source,
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|                              base::string16& label) = 0;
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| 
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|    protected:
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|     virtual ~Delegate() {}
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|   };
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| 
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|   // Either |delegate| or |menu_model_delegate| must be non-nullptr.
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|   // If |delegate| is non-nullptr it must outlive this class.
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|   CefMenuModelImpl(Delegate* delegate,
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|                    CefRefPtr<CefMenuModelDelegate> menu_model_delegate,
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|                    bool is_submenu);
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|   ~CefMenuModelImpl() override;
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| 
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|   // CefMenuModel methods.
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|   bool IsSubMenu() override;
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|   bool Clear() override;
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|   int GetCount() override;
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|   bool AddSeparator() override;
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|   bool AddItem(int command_id, const CefString& label) override;
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|   bool AddCheckItem(int command_id, const CefString& label) override;
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|   bool AddRadioItem(int command_id,
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|                     const CefString& label,
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|                     int group_id) override;
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|   CefRefPtr<CefMenuModel> AddSubMenu(int command_id,
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|                                      const CefString& label) override;
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|   bool InsertSeparatorAt(int index) override;
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|   bool InsertItemAt(int index, int command_id, const CefString& label) override;
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|   bool InsertCheckItemAt(int index,
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|                          int command_id,
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|                          const CefString& label) override;
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|   bool InsertRadioItemAt(int index,
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|                          int command_id,
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|                          const CefString& label,
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|                          int group_id) override;
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|   CefRefPtr<CefMenuModel> InsertSubMenuAt(int index,
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|                                           int command_id,
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|                                           const CefString& label) override;
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|   bool Remove(int command_id) override;
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|   bool RemoveAt(int index) override;
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|   int GetIndexOf(int command_id) override;
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|   int GetCommandIdAt(int index) override;
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|   bool SetCommandIdAt(int index, int command_id) override;
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|   CefString GetLabel(int command_id) override;
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|   CefString GetLabelAt(int index) override;
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|   bool SetLabel(int command_id, const CefString& label) override;
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|   bool SetLabelAt(int index, const CefString& label) override;
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|   MenuItemType GetType(int command_id) override;
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|   MenuItemType GetTypeAt(int index) override;
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|   int GetGroupId(int command_id) override;
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|   int GetGroupIdAt(int index) override;
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|   bool SetGroupId(int command_id, int group_id) override;
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|   bool SetGroupIdAt(int index, int group_id) override;
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|   CefRefPtr<CefMenuModel> GetSubMenu(int command_id) override;
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|   CefRefPtr<CefMenuModel> GetSubMenuAt(int index) override;
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|   bool IsVisible(int command_id) override;
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|   bool IsVisibleAt(int index) override;
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|   bool SetVisible(int command_id, bool visible) override;
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|   bool SetVisibleAt(int index, bool visible) override;
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|   bool IsEnabled(int command_id) override;
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|   bool IsEnabledAt(int index) override;
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|   bool SetEnabled(int command_id, bool enabled) override;
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|   bool SetEnabledAt(int index, bool enabled) override;
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|   bool IsChecked(int command_id) override;
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|   bool IsCheckedAt(int index) override;
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|   bool SetChecked(int command_id, bool checked) override;
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|   bool SetCheckedAt(int index, bool checked) override;
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|   bool HasAccelerator(int command_id) override;
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|   bool HasAcceleratorAt(int index) override;
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|   bool SetAccelerator(int command_id,
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|                       int key_code,
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|                       bool shift_pressed,
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|                       bool ctrl_pressed,
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|                       bool alt_pressed) override;
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|   bool SetAcceleratorAt(int index,
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|                         int key_code,
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|                         bool shift_pressed,
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|                         bool ctrl_pressed,
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|                         bool alt_pressed) override;
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|   bool RemoveAccelerator(int command_id) override;
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|   bool RemoveAcceleratorAt(int index) override;
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|   bool GetAccelerator(int command_id,
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|                       int& key_code,
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|                       bool& shift_pressed,
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|                       bool& ctrl_pressed,
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|                       bool& alt_pressed) override;
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|   bool GetAcceleratorAt(int index,
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|                         int& key_code,
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|                         bool& shift_pressed,
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|                         bool& ctrl_pressed,
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|                         bool& alt_pressed) override;
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|   bool SetColor(int command_id,
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|                 cef_menu_color_type_t color_type,
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|                 cef_color_t color) override;
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|   bool SetColorAt(int index,
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|                   cef_menu_color_type_t color_type,
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|                   cef_color_t color) override;
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|   bool GetColor(int command_id,
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|                 cef_menu_color_type_t color_type,
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|                 cef_color_t& color) override;
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|   bool GetColorAt(int index,
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|                   cef_menu_color_type_t color_type,
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|                   cef_color_t& color) override;
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|   bool SetFontList(int command_id, const CefString& font_list) override;
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|   bool SetFontListAt(int index, const CefString& font_list) override;
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| 
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|   // Callbacks from the ui::MenuModel implementation.
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|   void ActivatedAt(int index, cef_event_flags_t event_flags);
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|   void MouseOutsideMenu(const gfx::Point& screen_point);
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|   void UnhandledOpenSubmenu(bool is_rtl);
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|   void UnhandledCloseSubmenu(bool is_rtl);
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|   bool GetTextColor(int index,
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|                     bool is_accelerator,
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|                     bool is_hovered,
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|                     SkColor* override_color) const;
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|   bool GetBackgroundColor(int index,
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|                           bool is_hovered,
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|                           SkColor* override_color) const;
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|   void MenuWillShow();
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|   void MenuWillClose();
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|   base::string16 GetFormattedLabelAt(int index);
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|   const gfx::FontList* GetLabelFontListAt(int index) const;
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| 
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|   // Verify that only a single reference exists to all CefMenuModelImpl objects.
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|   bool VerifyRefCount();
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| 
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|   // Helper for adding custom menu items originating from the renderer process.
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|   void AddMenuItem(const content::MenuItem& menu_item);
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| 
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|   ui::MenuModel* model() const { return model_.get(); }
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| 
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|   // Used when created via CefMenuManager.
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|   Delegate* delegate() const { return delegate_; }
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|   void set_delegate(Delegate* delegate) { delegate_ = delegate; }
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| 
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|   // Used for menus run via CefWindowImpl::ShowMenu to provide more accurate
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|   // menu close notification.
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|   void set_auto_notify_menu_closed(bool val) { auto_notify_menu_closed_ = val; }
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|   void NotifyMenuClosed();
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| 
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|  private:
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|   struct Item;
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| 
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|   typedef std::vector<Item> ItemVector;
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| 
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|   // Functions for inserting items into |items_|.
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|   void AppendItem(const Item& item);
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|   void InsertItemAt(const Item& item, int index);
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|   void ValidateItem(const Item& item);
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| 
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|   // Notify the delegate asynchronously.
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|   void OnMouseOutsideMenu(const gfx::Point& screen_point);
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|   void OnUnhandledOpenSubmenu(bool is_rtl);
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|   void OnUnhandledCloseSubmenu(bool is_rtl);
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|   void OnMenuClosed();
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| 
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|   // Verify that the object is being accessed from the correct thread.
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|   bool VerifyContext();
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| 
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|   base::PlatformThreadId supported_thread_id_;
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| 
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|   // Used when created via CefMenuManager.
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|   Delegate* delegate_;
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| 
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|   // Used when created via CefMenuModel::CreateMenuModel().
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|   CefRefPtr<CefMenuModelDelegate> menu_model_delegate_;
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| 
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|   const bool is_submenu_;
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| 
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|   ItemVector items_;
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|   std::unique_ptr<ui::MenuModel> model_;
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| 
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|   // Style information.
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|   cef_color_t default_colors_[CEF_MENU_COLOR_COUNT] = {0};
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|   gfx::FontList default_font_list_;
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|   bool has_default_font_list_ = false;
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| 
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|   bool auto_notify_menu_closed_ = true;
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| 
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|   IMPLEMENT_REFCOUNTING(CefMenuModelImpl);
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|   DISALLOW_COPY_AND_ASSIGN(CefMenuModelImpl);
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| };
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| 
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| #endif  // CEF_LIBCEF_BROWSER_MENU_MODEL_IMPL_H_
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