pjs/widget/cocoa/nsMenuItemIconX.h

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Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is support for icons in native menu items on Mac OS X.
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Mentovai <mark@moxienet.com> (Original Author)
* Josh Aas <josh@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Retrieves and displays icons in native menu items on Mac OS X.
*/
#ifndef nsMenuItemIconX_h_
#define nsMenuItemIconX_h_
#include "nsCOMPtr.h"
#include "imgIDecoderObserver.h"
class nsIURI;
class nsIContent;
class imgIRequest;
class nsMenuObjectX;
#import <Cocoa/Cocoa.h>
class nsMenuItemIconX : public imgIDecoderObserver
{
public:
nsMenuItemIconX(nsMenuObjectX* aMenuItem,
nsIContent* aContent,
NSMenuItem* aNativeMenuItem);
private:
virtual ~nsMenuItemIconX();
public:
NS_DECL_ISUPPORTS
NS_DECL_IMGICONTAINEROBSERVER
NS_DECL_IMGIDECODEROBSERVER
// 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:
nsCOMPtr<nsIContent> mContent;
nsCOMPtr<imgIRequest> mIconRequest;
nsMenuObjectX* mMenuObject; // [weak]
nsIntRect mImageRegionRect;
bool mLoadedIcon;
bool mSetIcon;
NSMenuItem* mNativeMenuItem; // [weak]
};
#endif // nsMenuItemIconX_h_