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/* -*- 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 "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "imgINotificationObserver.h"
class nsIURI;
class nsIContent;
class imgRequestProxy;
class nsMenuObjectX;
#import <Cocoa/Cocoa.h>
class nsMenuItemIconX : public imgINotificationObserver
{
public:
nsMenuItemIconX(nsMenuObjectX* aMenuItem,
nsIContent* aContent,
NSMenuItem* aNativeMenuItem);
private:
virtual ~nsMenuItemIconX();
public:
NS_DECL_ISUPPORTS
NS_DECL_IMGINOTIFICATIONOBSERVER
// 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);
// LoadIcon will set a placeholder image and start a load request for the
// icon. The request may not complete until after LoadIcon returns.
nsresult LoadIcon(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();
protected:
nsresult OnFrameComplete(imgIRequest* aRequest);
nsCOMPtr<nsIContent> mContent;
RefPtr<imgRequestProxy> mIconRequest;
nsMenuObjectX* mMenuObject; // [weak]
nsIntRect mImageRegionRect;
bool mLoadedIcon;
bool mSetIcon;
NSMenuItem* mNativeMenuItem; // [weak]
};
#endif // nsMenuItemIconX_h_
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