зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.1 KiB
Objective-C
70 строки
2.1 KiB
Objective-C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Retrieves and displays icons in native menu items on Mac OS X.
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*/
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#ifndef nsMenuItemIconX_h_
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#define nsMenuItemIconX_h_
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#include "mozilla/RefPtr.h"
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#include "nsCOMPtr.h"
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#include "imgINotificationObserver.h"
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#include "nsIContentPolicy.h"
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class nsIURI;
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class nsIContent;
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class nsIPrincipal;
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class imgRequestProxy;
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class nsMenuObjectX;
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#import <Cocoa/Cocoa.h>
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class nsMenuItemIconX : public imgINotificationObserver {
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public:
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nsMenuItemIconX(nsMenuObjectX* aMenuItem, nsIContent* aContent,
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NSMenuItem* aNativeMenuItem);
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private:
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virtual ~nsMenuItemIconX();
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IMGINOTIFICATIONOBSERVER
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// SetupIcon succeeds if it was able to set up the icon, or if there should
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// be no icon, in which case it clears any existing icon but still succeeds.
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nsresult SetupIcon();
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// GetIconURI fails if the item should not have any icon.
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nsresult GetIconURI(nsIURI** aIconURI);
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// LoadIcon will set a placeholder image and start a load request for the
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// icon. The request may not complete until after LoadIcon returns.
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nsresult LoadIcon(nsIURI* aIconURI);
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// Unless we take precautions, we may outlive the object that created us
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// (mMenuObject, which owns our native menu item (mNativeMenuItem)).
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// Destroy() should be called from mMenuObject's destructor to prevent
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// this from happening. See bug 499600.
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void Destroy();
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protected:
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nsresult OnFrameComplete(imgIRequest* aRequest);
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nsCOMPtr<nsIContent> mContent;
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nsCOMPtr<nsIPrincipal> mTriggeringPrincipal;
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nsContentPolicyType mContentType;
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RefPtr<imgRequestProxy> mIconRequest;
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nsMenuObjectX* mMenuObject; // [weak]
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nsIntRect mImageRegionRect;
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bool mLoadedIcon;
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bool mSetIcon;
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NSMenuItem* mNativeMenuItem; // [weak]
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};
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#endif // nsMenuItemIconX_h_
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