зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
2.9 KiB
C++
110 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation.
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* All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#ifndef imgRequest_h__
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#define imgRequest_h__
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#include "imgIRequest.h"
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#include "imgIContainer.h"
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#include "imgIDecoder.h"
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#include "imgIDecoderObserver.h"
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#include "nsICacheEntryDescriptor.h"
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#include "nsIChannel.h"
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#include "nsIStreamListener.h"
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#include "nsIURI.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsVoidArray.h"
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#include "nsWeakReference.h"
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class imgRequestProxy;
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#define NS_IMGREQUEST_CID \
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{ /* 9f733dd6-1dd1-11b2-8cdf-effb70d1ea71 */ \
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0x9f733dd6, \
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0x1dd1, \
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0x11b2, \
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{0x8c, 0xdf, 0xef, 0xfb, 0x70, 0xd1, 0xea, 0x71} \
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}
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enum {
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onStartDecode = PR_BIT(0),
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onStartContainer = PR_BIT(1),
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onStopContainer = PR_BIT(2),
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onStopDecode = PR_BIT(3),
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onStopRequest = PR_BIT(4)
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};
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class imgRequest : public imgIRequest,
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public imgIDecoderObserver,
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public nsIStreamListener,
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public nsSupportsWeakReference
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{
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public:
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imgRequest();
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virtual ~imgRequest();
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/* additional members */
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nsresult Init(nsIChannel *aChannel, nsICacheEntryDescriptor *aCacheEntry);
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nsresult AddProxy(imgRequestProxy *proxy);
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nsresult RemoveProxy(imgRequestProxy *proxy, nsresult aStatus);
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void SniffMimeType(const char *buf, PRUint32 len);
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protected:
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void RemoveFromCache();
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inline nsresult GetResultFromStatus(PRUint32 aStatus);
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_IMGIREQUEST
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NS_DECL_NSIREQUEST
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NS_DECL_IMGIDECODEROBSERVER
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NS_DECL_IMGICONTAINEROBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSIREQUESTOBSERVER
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private:
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nsCOMPtr<nsIChannel> mChannel;
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nsCOMPtr<nsIURI> mURI;
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nsCOMPtr<imgIContainer> mImage;
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nsCOMPtr<imgIDecoder> mDecoder;
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nsVoidArray mObservers;
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PRBool mLoading;
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PRBool mProcessing;
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PRUint32 mStatus;
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PRUint32 mState;
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nsCString mContentType;
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nsCOMPtr<nsICacheEntryDescriptor> mCacheEntry; /* we hold on to this to this so long as we have observers */
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};
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#endif
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