gecko-dev/widget/cocoa/nsMenuItemX.h
2017-12-06 16:05:59 +01:00

83 lines
2.4 KiB
Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsMenuItemX_h_
#define nsMenuItemX_h_
#include "mozilla/RefPtr.h"
#include "nsMenuBaseX.h"
#include "nsMenuGroupOwnerX.h"
#include "nsChangeObserver.h"
#include "nsStringFwd.h"
#import <Cocoa/Cocoa.h>
class nsMenuItemIconX;
class nsMenuX;
namespace mozilla {
namespace dom {
class Element;
}
}
enum {
knsMenuItemNoModifier = 0,
knsMenuItemShiftModifier = (1 << 0),
knsMenuItemAltModifier = (1 << 1),
knsMenuItemControlModifier = (1 << 2),
knsMenuItemCommandModifier = (1 << 3)
};
enum EMenuItemType {
eRegularMenuItemType = 0,
eCheckboxMenuItemType,
eRadioMenuItemType,
eSeparatorMenuItemType
};
// Once instantiated, this object lives until its DOM node or its parent window is destroyed.
// Do not hold references to this, they can become invalid any time the DOM node can be destroyed.
class nsMenuItemX : public nsMenuObjectX,
public nsChangeObserver
{
public:
nsMenuItemX();
virtual ~nsMenuItemX();
NS_DECL_CHANGEOBSERVER
// nsMenuObjectX
void* NativeData() override {return (void*)mNativeMenuItem;}
nsMenuObjectTypeX MenuObjectType() override {return eMenuItemObjectType;}
// nsMenuItemX
nsresult Create(nsMenuX* aParent, const nsString& aLabel, EMenuItemType aItemType,
nsMenuGroupOwnerX* aMenuGroupOwner, nsIContent* aNode);
nsresult SetChecked(bool aIsChecked);
EMenuItemType GetMenuItemType();
void DoCommand();
nsresult DispatchDOMEvent(const nsString &eventName, bool* preventDefaultCalled);
void SetupIcon();
protected:
void UncheckRadioSiblings(nsIContent* inCheckedElement);
void SetKeyEquiv();
EMenuItemType mType;
// nsMenuItemX objects should always have a valid native menu item.
NSMenuItem* mNativeMenuItem; // [strong]
nsMenuX* mMenuParent; // [weak]
nsMenuGroupOwnerX* mMenuGroupOwner; // [weak]
RefPtr<mozilla::dom::Element> mCommandElement;
// The icon object should never outlive its creating nsMenuItemX object.
RefPtr<nsMenuItemIconX> mIcon;
bool mIsChecked;
};
#endif // nsMenuItemX_h_