uriloader/prefetch/nsPrefetchService.h@97036ab72558 (annotated)
uriloader/prefetch/nsPrefetchService.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef nsPrefetchService_h__ |
| michael@0 | 6 | #define nsPrefetchService_h__ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsCPrefetchService.h" |
| michael@0 | 9 | #include "nsIObserver.h" |
| michael@0 | 10 | #include "nsIInterfaceRequestor.h" |
| michael@0 | 11 | #include "nsIChannelEventSink.h" |
| michael@0 | 12 | #include "nsIRedirectResultListener.h" |
| michael@0 | 13 | #include "nsIWebProgressListener.h" |
| michael@0 | 14 | #include "nsIStreamListener.h" |
| michael@0 | 15 | #include "nsIChannel.h" |
| michael@0 | 16 | #include "nsIURI.h" |
| michael@0 | 17 | #include "nsWeakReference.h" |
| michael@0 | 18 | #include "nsCOMPtr.h" |
| michael@0 | 19 | #include "nsAutoPtr.h" |
| michael@0 | 20 | #include "mozilla/Attributes.h" |
| michael@0 | 21 | |
| michael@0 | 22 | class nsPrefetchService; |
| michael@0 | 23 | class nsPrefetchListener; |
| michael@0 | 24 | class nsPrefetchNode; |
| michael@0 | 25 | |
| michael@0 | 26 | //----------------------------------------------------------------------------- |
| michael@0 | 27 | // nsPrefetchService |
| michael@0 | 28 | //----------------------------------------------------------------------------- |
| michael@0 | 29 | |
| michael@0 | 30 | class nsPrefetchService MOZ_FINAL : public nsIPrefetchService |
| michael@0 | 31 | , public nsIWebProgressListener |
| michael@0 | 32 | , public nsIObserver |
| michael@0 | 33 | , public nsSupportsWeakReference |
| michael@0 | 34 | { |
| michael@0 | 35 | public: |
| michael@0 | 36 | NS_DECL_ISUPPORTS |
| michael@0 | 37 | NS_DECL_NSIPREFETCHSERVICE |
| michael@0 | 38 | NS_DECL_NSIWEBPROGRESSLISTENER |
| michael@0 | 39 | NS_DECL_NSIOBSERVER |
| michael@0 | 40 | |
| michael@0 | 41 | nsPrefetchService(); |
| michael@0 | 42 | |
| michael@0 | 43 | nsresult Init(); |
| michael@0 | 44 | void ProcessNextURI(); |
| michael@0 | 45 | |
| michael@0 | 46 | nsPrefetchNode *GetCurrentNode() { return mCurrentNode.get(); } |
| michael@0 | 47 | nsPrefetchNode *GetQueueHead() { return mQueueHead; } |
| michael@0 | 48 | |
| michael@0 | 49 | void NotifyLoadRequested(nsPrefetchNode *node); |
| michael@0 | 50 | void NotifyLoadCompleted(nsPrefetchNode *node); |
| michael@0 | 51 | |
| michael@0 | 52 | private: |
| michael@0 | 53 | ~nsPrefetchService(); |
| michael@0 | 54 | |
| michael@0 | 55 | nsresult Prefetch(nsIURI *aURI, |
| michael@0 | 56 | nsIURI *aReferrerURI, |
| michael@0 | 57 | nsIDOMNode *aSource, |
| michael@0 | 58 | bool aExplicit); |
| michael@0 | 59 | |
| michael@0 | 60 | void AddProgressListener(); |
| michael@0 | 61 | void RemoveProgressListener(); |
| michael@0 | 62 | nsresult EnqueueURI(nsIURI *aURI, nsIURI *aReferrerURI, |
| michael@0 | 63 | nsIDOMNode *aSource, nsPrefetchNode **node); |
| michael@0 | 64 | nsresult EnqueueNode(nsPrefetchNode *node); |
| michael@0 | 65 | nsresult DequeueNode(nsPrefetchNode **node); |
| michael@0 | 66 | void EmptyQueue(); |
| michael@0 | 67 | |
| michael@0 | 68 | void StartPrefetching(); |
| michael@0 | 69 | void StopPrefetching(); |
| michael@0 | 70 | |
| michael@0 | 71 | nsPrefetchNode *mQueueHead; |
| michael@0 | 72 | nsPrefetchNode *mQueueTail; |
| michael@0 | 73 | nsRefPtr<nsPrefetchNode> mCurrentNode; |
| michael@0 | 74 | int32_t mStopCount; |
| michael@0 | 75 | // true if pending document loads have ever reached zero. |
| michael@0 | 76 | int32_t mHaveProcessed; |
| michael@0 | 77 | bool mDisabled; |
| michael@0 | 78 | }; |
| michael@0 | 79 | |
| michael@0 | 80 | //----------------------------------------------------------------------------- |
| michael@0 | 81 | // nsPrefetchNode |
| michael@0 | 82 | //----------------------------------------------------------------------------- |
| michael@0 | 83 | |
| michael@0 | 84 | class nsPrefetchNode MOZ_FINAL : public nsIStreamListener |
| michael@0 | 85 | , public nsIInterfaceRequestor |
| michael@0 | 86 | , public nsIChannelEventSink |
| michael@0 | 87 | , public nsIRedirectResultListener |
| michael@0 | 88 | { |
| michael@0 | 89 | public: |
| michael@0 | 90 | NS_DECL_ISUPPORTS |
| michael@0 | 91 | NS_DECL_NSIREQUESTOBSERVER |
| michael@0 | 92 | NS_DECL_NSISTREAMLISTENER |
| michael@0 | 93 | NS_DECL_NSIINTERFACEREQUESTOR |
| michael@0 | 94 | NS_DECL_NSICHANNELEVENTSINK |
| michael@0 | 95 | NS_DECL_NSIREDIRECTRESULTLISTENER |
| michael@0 | 96 | |
| michael@0 | 97 | nsPrefetchNode(nsPrefetchService *aPrefetchService, |
| michael@0 | 98 | nsIURI *aURI, |
| michael@0 | 99 | nsIURI *aReferrerURI, |
| michael@0 | 100 | nsIDOMNode *aSource); |
| michael@0 | 101 | |
| michael@0 | 102 | ~nsPrefetchNode() {} |
| michael@0 | 103 | |
| michael@0 | 104 | nsresult OpenChannel(); |
| michael@0 | 105 | nsresult CancelChannel(nsresult error); |
| michael@0 | 106 | |
| michael@0 | 107 | nsPrefetchNode *mNext; |
| michael@0 | 108 | nsCOMPtr<nsIURI> mURI; |
| michael@0 | 109 | nsCOMPtr<nsIURI> mReferrerURI; |
| michael@0 | 110 | nsCOMPtr<nsIWeakReference> mSource; |
| michael@0 | 111 | |
| michael@0 | 112 | private: |
| michael@0 | 113 | nsRefPtr<nsPrefetchService> mService; |
| michael@0 | 114 | nsCOMPtr<nsIChannel> mChannel; |
| michael@0 | 115 | nsCOMPtr<nsIChannel> mRedirectChannel; |
| michael@0 | 116 | int64_t mBytesRead; |
| michael@0 | 117 | }; |
| michael@0 | 118 | |
| michael@0 | 119 | #endif // !nsPrefetchService_h__ |
