mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/* 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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#ifndef nsPrefetchService_h__
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#define nsPrefetchService_h__
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#include "nsCPrefetchService.h"
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#include "nsIObserver.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIChannelEventSink.h"
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#include "nsIRedirectResultListener.h"
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#include "nsIWebProgressListener.h"
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#include "nsIStreamListener.h"
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#include "nsIChannel.h"
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#include "nsIURI.h"
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#include "nsWeakReference.h"
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#include "nsCOMPtr.h"
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#include "nsAutoPtr.h"
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#include "mozilla/Attributes.h"
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class nsPrefetchService;
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class nsPrefetchListener;
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class nsPrefetchNode;
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//-----------------------------------------------------------------------------
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// nsPrefetchService
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//-----------------------------------------------------------------------------
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class nsPrefetchService MOZ_FINAL : public nsIPrefetchService
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, public nsIWebProgressListener
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, public nsIObserver
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, public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPREFETCHSERVICE
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NS_DECL_NSIWEBPROGRESSLISTENER
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NS_DECL_NSIOBSERVER
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nsPrefetchService();
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nsresult Init();
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void ProcessNextURI();
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nsPrefetchNode *GetCurrentNode() { return mCurrentNode.get(); }
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nsPrefetchNode *GetQueueHead() { return mQueueHead; }
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void NotifyLoadRequested(nsPrefetchNode *node);
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void NotifyLoadCompleted(nsPrefetchNode *node);
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private:
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~nsPrefetchService();
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nsresult Prefetch(nsIURI *aURI,
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nsIURI *aReferrerURI,
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nsIDOMNode *aSource,
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bool aExplicit);
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void AddProgressListener();
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void RemoveProgressListener();
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nsresult EnqueueURI(nsIURI *aURI, nsIURI *aReferrerURI,
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nsIDOMNode *aSource, nsPrefetchNode **node);
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nsresult EnqueueNode(nsPrefetchNode *node);
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nsresult DequeueNode(nsPrefetchNode **node);
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void EmptyQueue();
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void StartPrefetching();
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void StopPrefetching();
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nsPrefetchNode *mQueueHead;
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nsPrefetchNode *mQueueTail;
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nsRefPtr<nsPrefetchNode> mCurrentNode;
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int32_t mStopCount;
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// true if pending document loads have ever reached zero.
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int32_t mHaveProcessed;
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bool mDisabled;
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};
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//-----------------------------------------------------------------------------
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// nsPrefetchNode
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//-----------------------------------------------------------------------------
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class nsPrefetchNode MOZ_FINAL : public nsIStreamListener
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, public nsIInterfaceRequestor
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, public nsIChannelEventSink
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, public nsIRedirectResultListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSICHANNELEVENTSINK
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NS_DECL_NSIREDIRECTRESULTLISTENER
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nsPrefetchNode(nsPrefetchService *aPrefetchService,
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nsIURI *aURI,
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nsIURI *aReferrerURI,
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nsIDOMNode *aSource);
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nsresult OpenChannel();
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nsresult CancelChannel(nsresult error);
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nsPrefetchNode *mNext;
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nsCOMPtr<nsIURI> mURI;
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nsCOMPtr<nsIURI> mReferrerURI;
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nsCOMPtr<nsIWeakReference> mSource;
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private:
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~nsPrefetchNode() {}
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nsRefPtr<nsPrefetchService> mService;
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nsCOMPtr<nsIChannel> mChannel;
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nsCOMPtr<nsIChannel> mRedirectChannel;
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int64_t mBytesRead;
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};
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#endif // !nsPrefetchService_h__
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