cef/libcef/browser/menu_model_impl.h

145 lines
5.9 KiB
C++

// 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 <vector>
#include "include/cef_menu_model.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/platform_thread.h"
#include "ui/base/models/menu_model.h"
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<CefMenuModelImpl> source,
int command_id,
cef_event_flags_t event_flags) =0;
// Notifies the delegate that the menu is about to show.
virtual void MenuWillShow(CefRefPtr<CefMenuModelImpl> source) =0;
// Notifies the delegate that the menu has closed.
virtual void MenuClosed(CefRefPtr<CefMenuModelImpl> source) =0;
// Allows the delegate to modify a menu item label before it's displayed.
virtual bool FormatLabel(base::string16& label) =0;
protected:
virtual ~Delegate() {}
};
// The delegate must outlive this class.
explicit CefMenuModelImpl(Delegate* delegate);
virtual ~CefMenuModelImpl();
// CefMenuModel methods.
virtual bool Clear() OVERRIDE;
virtual int GetCount() OVERRIDE;
virtual bool AddSeparator() OVERRIDE;
virtual bool AddItem(int command_id, const CefString& label) OVERRIDE;
virtual bool AddCheckItem(int command_id, const CefString& label) OVERRIDE;
virtual bool AddRadioItem(int command_id, const CefString& label,
int group_id) OVERRIDE;
virtual CefRefPtr<CefMenuModel> AddSubMenu(int command_id,
const CefString& label) OVERRIDE;
virtual bool InsertSeparatorAt(int index) OVERRIDE;
virtual bool InsertItemAt(int index, int command_id,
const CefString& label) OVERRIDE;
virtual bool InsertCheckItemAt(int index, int command_id,
const CefString& label) OVERRIDE;
virtual bool InsertRadioItemAt(int index, int command_id,
const CefString& label, int group_id) OVERRIDE;
virtual CefRefPtr<CefMenuModel> InsertSubMenuAt(int index, int command_id,
const CefString& label) OVERRIDE;
virtual bool Remove(int command_id) OVERRIDE;
virtual bool RemoveAt(int index) OVERRIDE;
virtual int GetIndexOf(int command_id) OVERRIDE;
virtual int GetCommandIdAt(int index) OVERRIDE;
virtual bool SetCommandIdAt(int index, int command_id) OVERRIDE;
virtual CefString GetLabel(int command_id) OVERRIDE;
virtual CefString GetLabelAt(int index) OVERRIDE;
virtual bool SetLabel(int command_id, const CefString& label) OVERRIDE;
virtual bool SetLabelAt(int index, const CefString& label) OVERRIDE;
virtual MenuItemType GetType(int command_id) OVERRIDE;
virtual MenuItemType GetTypeAt(int index) OVERRIDE;
virtual int GetGroupId(int command_id) OVERRIDE;
virtual int GetGroupIdAt(int index) OVERRIDE;
virtual bool SetGroupId(int command_id, int group_id) OVERRIDE;
virtual bool SetGroupIdAt(int index, int group_id) OVERRIDE;
virtual CefRefPtr<CefMenuModel> GetSubMenu(int command_id) OVERRIDE;
virtual CefRefPtr<CefMenuModel> GetSubMenuAt(int index) OVERRIDE;
virtual bool IsVisible(int command_id) OVERRIDE;
virtual bool IsVisibleAt(int index) OVERRIDE;
virtual bool SetVisible(int command_id, bool visible) OVERRIDE;
virtual bool SetVisibleAt(int index, bool visible) OVERRIDE;
virtual bool IsEnabled(int command_id) OVERRIDE;
virtual bool IsEnabledAt(int index) OVERRIDE;
virtual bool SetEnabled(int command_id, bool enabled) OVERRIDE;
virtual bool SetEnabledAt(int index, bool enabled) OVERRIDE;
virtual bool IsChecked(int command_id) OVERRIDE;
virtual bool IsCheckedAt(int index) OVERRIDE;
virtual bool SetChecked(int command_id, bool checked) OVERRIDE;
virtual bool SetCheckedAt(int index, bool checked) OVERRIDE;
virtual bool HasAccelerator(int command_id) OVERRIDE;
virtual bool HasAcceleratorAt(int index) OVERRIDE;
virtual bool SetAccelerator(int command_id, int key_code, bool shift_pressed,
bool ctrl_pressed, bool alt_pressed) OVERRIDE;
virtual bool SetAcceleratorAt(int index, int key_code, bool shift_pressed,
bool ctrl_pressed, bool alt_pressed) OVERRIDE;
virtual bool RemoveAccelerator(int command_id) OVERRIDE;
virtual bool RemoveAcceleratorAt(int index) OVERRIDE;
virtual bool GetAccelerator(int command_id, int& key_code,
bool& shift_pressed, bool& ctrl_pressed, bool& alt_pressed) OVERRIDE;
virtual bool GetAcceleratorAt(int index, int& key_code, bool& shift_pressed,
bool& ctrl_pressed, bool& alt_pressed) OVERRIDE;
// Callbacks from the ui::MenuModel implementation.
void ActivatedAt(int index, cef_event_flags_t event_flags);
void MenuWillShow();
void MenuClosed();
base::string16 GetFormattedLabelAt(int index);
// Verify that only a single reference exists to all CefMenuModelImpl objects.
bool VerifyRefCount();
ui::MenuModel* model() { return model_.get(); }
Delegate* delegate() { return delegate_; }
void set_delegate(Delegate* delegate) { delegate_ = NULL; }
private:
struct Item;
typedef std::vector<Item> 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 that the menu is closed.
void OnMenuClosed();
// Verify that the object is being accessed from the correct thread.
bool VerifyContext();
base::PlatformThreadId supported_thread_id_;
Delegate* delegate_;
ItemVector items_;
scoped_ptr<ui::MenuModel> model_;
IMPLEMENT_REFCOUNTING(CefMenuModelImpl);
DISALLOW_COPY_AND_ASSIGN(CefMenuModelImpl);
};
#endif // CEF_LIBCEF_BROWSER_MENU_MODEL_IMPL_H_