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https://bitbucket.org/chromiumembedded/cef
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238 lines
9.4 KiB
C++
238 lines
9.4 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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#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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#include <vector>
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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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#include "base/threading/platform_thread.h"
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#include "third_party/blink/public/mojom/context_menu/context_menu.mojom-forward.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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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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// 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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// 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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// Called when the menu is about to show.
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virtual void MenuWillShow(CefRefPtr<CefMenuModelImpl> source) = 0;
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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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// 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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std::u16string& label) = 0;
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protected:
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virtual ~Delegate() = default;
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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(const CefMenuModelImpl&) = delete;
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CefMenuModelImpl& operator=(const CefMenuModelImpl&) = delete;
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~CefMenuModelImpl() override;
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// CefMenuModel methods.
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bool IsSubMenu() override;
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bool Clear() override;
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size_t 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(size_t index) override;
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bool InsertItemAt(size_t index,
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int command_id,
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const CefString& label) override;
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bool InsertCheckItemAt(size_t index,
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int command_id,
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const CefString& label) override;
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bool InsertRadioItemAt(size_t 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(size_t 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(size_t index) override;
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int GetIndexOf(int command_id) override;
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int GetCommandIdAt(size_t index) override;
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bool SetCommandIdAt(size_t index, int command_id) override;
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CefString GetLabel(int command_id) override;
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CefString GetLabelAt(size_t index) override;
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bool SetLabel(int command_id, const CefString& label) override;
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bool SetLabelAt(size_t index, const CefString& label) override;
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MenuItemType GetType(int command_id) override;
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MenuItemType GetTypeAt(size_t index) override;
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int GetGroupId(int command_id) override;
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int GetGroupIdAt(size_t index) override;
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bool SetGroupId(int command_id, int group_id) override;
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bool SetGroupIdAt(size_t index, int group_id) override;
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CefRefPtr<CefMenuModel> GetSubMenu(int command_id) override;
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CefRefPtr<CefMenuModel> GetSubMenuAt(size_t index) override;
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bool IsVisible(int command_id) override;
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bool IsVisibleAt(size_t index) override;
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bool SetVisible(int command_id, bool visible) override;
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bool SetVisibleAt(size_t index, bool visible) override;
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bool IsEnabled(int command_id) override;
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bool IsEnabledAt(size_t index) override;
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bool SetEnabled(int command_id, bool enabled) override;
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bool SetEnabledAt(size_t index, bool enabled) override;
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bool IsChecked(int command_id) override;
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bool IsCheckedAt(size_t index) override;
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bool SetChecked(int command_id, bool checked) override;
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bool SetCheckedAt(size_t index, bool checked) override;
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bool HasAccelerator(int command_id) override;
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bool HasAcceleratorAt(size_t 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(size_t 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(size_t 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(size_t 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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// Callbacks from the ui::MenuModel implementation.
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void ActivatedAt(size_t 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(size_t 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(size_t 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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std::u16string GetFormattedLabelAt(size_t index);
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const gfx::FontList* GetLabelFontListAt(size_t index) const;
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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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// Helper for adding custom menu items originating from the renderer process.
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void AddMenuItem(const blink::mojom::CustomContextMenuItem& menu_item);
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ui::MenuModel* model() const { return model_.get(); }
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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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// 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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private:
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struct Item;
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using ItemVector = std::vector<Item>;
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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, size_t index);
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void ValidateItem(const Item& item);
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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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// Verify that the object is being accessed from the correct thread.
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bool VerifyContext();
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base::PlatformThreadId supported_thread_id_;
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// Used when created via CefMenuManager.
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Delegate* delegate_;
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// Used when created via CefMenuModel::CreateMenuModel().
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CefRefPtr<CefMenuModelDelegate> menu_model_delegate_;
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const bool is_submenu_;
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ItemVector items_;
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std::unique_ptr<ui::MenuModel> model_;
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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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bool auto_notify_menu_closed_ = true;
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IMPLEMENT_REFCOUNTING(CefMenuModelImpl);
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};
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#endif // CEF_LIBCEF_BROWSER_MENU_MODEL_IMPL_H_
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