зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
3.7 KiB
C++
119 строки
3.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsPrefetchService_h__
|
|
#define nsPrefetchService_h__
|
|
|
|
#include "nsCPrefetchService.h"
|
|
#include "nsIObserver.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsIChannelEventSink.h"
|
|
#include "nsIRedirectResultListener.h"
|
|
#include "nsIWebProgressListener.h"
|
|
#include "nsIStreamListener.h"
|
|
#include "nsIChannel.h"
|
|
#include "nsIURI.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsAutoPtr.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
class nsPrefetchService;
|
|
class nsPrefetchNode;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsPrefetchService
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class nsPrefetchService final : public nsIPrefetchService
|
|
, public nsIWebProgressListener
|
|
, public nsIObserver
|
|
, public nsSupportsWeakReference
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIPREFETCHSERVICE
|
|
NS_DECL_NSIWEBPROGRESSLISTENER
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
nsPrefetchService();
|
|
|
|
nsresult Init();
|
|
void ProcessNextURI();
|
|
|
|
nsPrefetchNode *GetCurrentNode() { return mCurrentNode.get(); }
|
|
nsPrefetchNode *GetQueueHead() { return mQueueHead; }
|
|
|
|
void NotifyLoadRequested(nsPrefetchNode *node);
|
|
void NotifyLoadCompleted(nsPrefetchNode *node);
|
|
|
|
private:
|
|
~nsPrefetchService();
|
|
|
|
nsresult Prefetch(nsIURI *aURI,
|
|
nsIURI *aReferrerURI,
|
|
nsIDOMNode *aSource,
|
|
bool aExplicit);
|
|
|
|
void AddProgressListener();
|
|
void RemoveProgressListener();
|
|
nsresult EnqueueURI(nsIURI *aURI, nsIURI *aReferrerURI,
|
|
nsIDOMNode *aSource, nsPrefetchNode **node);
|
|
nsresult EnqueueNode(nsPrefetchNode *node);
|
|
nsresult DequeueNode(nsPrefetchNode **node);
|
|
void EmptyQueue();
|
|
|
|
void StartPrefetching();
|
|
void StopPrefetching();
|
|
|
|
nsPrefetchNode *mQueueHead;
|
|
nsPrefetchNode *mQueueTail;
|
|
nsRefPtr<nsPrefetchNode> mCurrentNode;
|
|
int32_t mStopCount;
|
|
// true if pending document loads have ever reached zero.
|
|
int32_t mHaveProcessed;
|
|
bool mDisabled;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// nsPrefetchNode
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class nsPrefetchNode final : public nsIStreamListener
|
|
, public nsIInterfaceRequestor
|
|
, public nsIChannelEventSink
|
|
, public nsIRedirectResultListener
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIREQUESTOBSERVER
|
|
NS_DECL_NSISTREAMLISTENER
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
NS_DECL_NSICHANNELEVENTSINK
|
|
NS_DECL_NSIREDIRECTRESULTLISTENER
|
|
|
|
nsPrefetchNode(nsPrefetchService *aPrefetchService,
|
|
nsIURI *aURI,
|
|
nsIURI *aReferrerURI,
|
|
nsIDOMNode *aSource);
|
|
|
|
nsresult OpenChannel();
|
|
nsresult CancelChannel(nsresult error);
|
|
|
|
nsPrefetchNode *mNext;
|
|
nsCOMPtr<nsIURI> mURI;
|
|
nsCOMPtr<nsIURI> mReferrerURI;
|
|
nsCOMPtr<nsIWeakReference> mSource;
|
|
|
|
private:
|
|
~nsPrefetchNode() {}
|
|
|
|
nsRefPtr<nsPrefetchService> mService;
|
|
nsCOMPtr<nsIChannel> mChannel;
|
|
nsCOMPtr<nsIChannel> mRedirectChannel;
|
|
int64_t mBytesRead;
|
|
};
|
|
|
|
#endif // !nsPrefetchService_h__
|