122 lines
4.0 KiB
C
122 lines
4.0 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"
|
||
|
#include <deque>
|
||
|
|
||
|
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 *aFinished);
|
||
|
|
||
|
void NotifyLoadRequested(nsPrefetchNode *node);
|
||
|
void NotifyLoadCompleted(nsPrefetchNode *node);
|
||
|
void DispatchEvent(nsPrefetchNode *node, bool aSuccess);
|
||
|
|
||
|
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);
|
||
|
void EmptyQueue();
|
||
|
|
||
|
void StartPrefetching();
|
||
|
void StopPrefetching();
|
||
|
|
||
|
std::deque<RefPtr<nsPrefetchNode>> mQueue;
|
||
|
nsTArray<RefPtr<nsPrefetchNode>> mCurrentNodes;
|
||
|
int32_t mMaxParallelism;
|
||
|
int32_t mStopCount;
|
||
|
// true if pending document loads have ever reached zero.
|
||
|
int32_t mHaveProcessed;
|
||
|
bool mDisabled;
|
||
|
|
||
|
// In usual case prefetch does not start until all normal loads are done.
|
||
|
// Aggressive mode ignores normal loads and just start prefetch ASAP.
|
||
|
// It's mainly for testing purpose and discoraged for normal use;
|
||
|
// see https://bugzilla.mozilla.org/show_bug.cgi?id=1281415 for details.
|
||
|
bool mAggressive;
|
||
|
};
|
||
|
|
||
|
//-----------------------------------------------------------------------------
|
||
|
// 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);
|
||
|
|
||
|
nsCOMPtr<nsIURI> mURI;
|
||
|
nsCOMPtr<nsIURI> mReferrerURI;
|
||
|
nsTArray<nsCOMPtr<nsIWeakReference>> mSources;
|
||
|
|
||
|
private:
|
||
|
~nsPrefetchNode() {}
|
||
|
|
||
|
RefPtr<nsPrefetchService> mService;
|
||
|
nsCOMPtr<nsIChannel> mChannel;
|
||
|
nsCOMPtr<nsIChannel> mRedirectChannel;
|
||
|
int64_t mBytesRead;
|
||
|
bool mShouldFireLoadEvent;
|
||
|
};
|
||
|
|
||
|
#endif // !nsPrefetchService_h__
|