зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.9 KiB
C++
66 строки
1.9 KiB
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 nsIconLoaderService_h_
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#define nsIconLoaderService_h_
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#include "imgINotificationObserver.h"
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#include "mozilla/RefPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIconLoaderObserver.h"
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#include "nsIContentPolicy.h"
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class nsIURI;
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class nsINode;
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class nsIPrincipal;
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class imgRequestProxy;
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class nsIconLoaderService : public imgINotificationObserver {
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public:
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// If aScaleFactor is not specified, then an image with both regular and
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// HiDPI representations will be loaded.
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nsIconLoaderService(nsINode* aContent, nsIntRect* aImageRegionRect,
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RefPtr<nsIconLoaderObserver> aObserver, uint32_t aIconHeight,
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uint32_t aIconWidth, CGFloat aScaleFactor = 0.0f);
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IMGINOTIFICATIONOBSERVER
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// LoadIcon will start a load request for the icon.
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// The request may not complete until after LoadIcon returns.
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// If aIsInternalIcon is true, the document and principal will not be
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// used when loading.
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nsresult LoadIcon(nsIURI* aIconURI, bool aIsInternalIcon);
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NSImage* GetNativeIconImage();
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void ReleaseJSObjects() { mContent = nil; }
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void Destroy();
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protected:
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virtual ~nsIconLoaderService();
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private:
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nsresult OnFrameComplete(imgIRequest* aRequest);
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nsCOMPtr<nsINode> mContent;
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nsContentPolicyType mContentType;
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RefPtr<imgRequestProxy> mIconRequest;
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nsIntRect* mImageRegionRect;
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bool mLoadedIcon;
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NSImage* mNativeIconImage;
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uint32_t mIconHeight;
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uint32_t mIconWidth;
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CGFloat mScaleFactor;
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RefPtr<nsIconLoaderObserver> mCompletionHandler;
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};
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#endif // nsIconLoaderService_h_
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