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