The Tor Browser: uriloader/prefetch/OfflineCacheUpdateChild.h@97036ab72558

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.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsOfflineCacheUpdateChild_h

     7 #define nsOfflineCacheUpdateChild_h

     9 #include "mozilla/docshell/POfflineCacheUpdateChild.h"

    10 #include "nsIOfflineCacheUpdate.h"

    12 #include "nsCOMArray.h"

    13 #include "nsCOMPtr.h"

    14 #include "nsICacheService.h"

    15 #include "nsIDOMDocument.h"

    16 #include "nsIObserver.h"

    17 #include "nsIObserverService.h"

    18 #include "nsIURI.h"

    19 #include "nsString.h"

    20 #include "nsWeakReference.h"

    22 namespace mozilla {

    23 namespace docshell {

    25 class OfflineCacheUpdateChild : public nsIOfflineCacheUpdate

    26                               , public POfflineCacheUpdateChild

    27 {

    28 public:

    29     NS_DECL_ISUPPORTS

    30     NS_DECL_NSIOFFLINECACHEUPDATE

    32     virtual bool

    33     RecvNotifyStateEvent(const uint32_t& stateEvent,

    34                          const uint64_t& byteProgress) MOZ_OVERRIDE;

    36     virtual bool

    37     RecvAssociateDocuments(

    38             const nsCString& cacheGroupId,

    39             const nsCString& cacheClientId) MOZ_OVERRIDE;

    41     virtual bool

    42     RecvFinish(const bool& succeeded,

    43                const bool& isUpgrade) MOZ_OVERRIDE;

    45     OfflineCacheUpdateChild(nsIDOMWindow* aWindow);

    46     ~OfflineCacheUpdateChild();

    48     void SetDocument(nsIDOMDocument *aDocument);

    50 private:

    51     nsresult AssociateDocument(nsIDOMDocument *aDocument,

    52                                nsIApplicationCache *aApplicationCache);

    53     void GatherObservers(nsCOMArray<nsIOfflineCacheUpdateObserver> &aObservers);

    54     nsresult Finish();

    56     enum {

    57         STATE_UNINITIALIZED,

    58         STATE_INITIALIZED,

    59         STATE_CHECKING,

    60         STATE_DOWNLOADING,

    61         STATE_CANCELLED,

    62         STATE_FINISHED

    63     } mState;

    65     bool mIsUpgrade;

    66     bool mSucceeded;

    68     nsCString mUpdateDomain;

    69     nsCOMPtr<nsIURI> mManifestURI;

    70     nsCOMPtr<nsIURI> mDocumentURI;

    72     nsCOMPtr<nsIObserverService> mObserverService;

    74     uint32_t mAppID;

    75     bool mInBrowser;

    77     /* Clients watching this update for changes */

    78     nsCOMArray<nsIWeakReference> mWeakObservers;

    79     nsCOMArray<nsIOfflineCacheUpdateObserver> mObservers;

    81     /* Document that requested this update */

    82     nsCOMPtr<nsIDOMDocument> mDocument;

    84     /* Keep reference to the window that owns this update to call the

    85        parent offline cache update construcor */

    86     nsCOMPtr<nsIDOMWindow> mWindow;

    88     uint64_t mByteProgress;

    89 };

    91 }

    92 }

    94 #endif

The Tor Browser / file revision

uriloader/prefetch/OfflineCacheUpdateChild.h@97036ab72558

uriloader/prefetch/OfflineCacheUpdateChild.h