gecko-dev/widget/cocoa/nsMenuItemIconX.h

64 строки
2.0 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/. */
/*
* Retrieves and displays icons in native menu items on Mac OS X.
*/
#ifndef nsMenuItemIconX_h_
#define nsMenuItemIconX_h_
#include "IconLoaderHelperCocoa.h"
class nsIconLoaderService;
class nsIURI;
class nsIContent;
class nsIPrincipal;
class imgRequestProxy;
class nsMenuObjectX;
#import <Cocoa/Cocoa.h>
class nsMenuItemIconX : public mozilla::widget::IconLoaderListenerCocoa {
public:
nsMenuItemIconX(nsMenuObjectX* aMenuItem, nsIContent* aContent,
NSMenuItem* aNativeMenuItem);
private:
virtual ~nsMenuItemIconX();
public:
// SetupIcon succeeds if it was able to set up the icon, or if there should
// be no icon, in which case it clears any existing icon but still succeeds.
nsresult SetupIcon();
// GetIconURI fails if the item should not have any icon.
nsresult GetIconURI(nsIURI** aIconURI);
// Unless we take precautions, we may outlive the object that created us
// (mMenuObject, which owns our native menu item (mNativeMenuItem)).
// Destroy() should be called from mMenuObject's destructor to prevent
// this from happening. See bug 499600.
void Destroy();
// Implements this method for mozilla::widget::IconLoaderListenerCocoa.
// Called once the icon load is complete.
nsresult OnComplete();
protected:
nsCOMPtr<nsIContent> mContent;
nsContentPolicyType mContentType;
nsMenuObjectX* mMenuObject; // [weak]
nsIntRect mImageRegionRect;
bool mSetIcon;
NSMenuItem* mNativeMenuItem; // [weak]
// The icon loader object should never outlive its creating nsMenuItemIconX
// object.
RefPtr<mozilla::widget::IconLoader> mIconLoader;
RefPtr<mozilla::widget::IconLoaderHelperCocoa> mIconLoaderHelper;
};
#endif // nsMenuItemIconX_h_