The Tor Browser: uriloader/exthandler/ExternalHelperAppParent.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: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

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

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

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

     7 #include "mozilla/dom/PExternalHelperAppParent.h"

     8 #include "nsIChannel.h"

     9 #include "nsIMultiPartChannel.h"

    10 #include "nsIResumableChannel.h"

    11 #include "nsIStreamListener.h"

    12 #include "nsHashPropertyBag.h"

    14 namespace IPC {

    15 class URI;

    16 }

    18 namespace mozilla {

    20 namespace ipc {

    21 class OptionalURIParams;

    22 } // namespace ipc

    24 namespace net {

    25 class PChannelDiverterParent;

    26 } // namespace net

    28 namespace dom {

    30 class ContentParent;

    31 class PBrowserParent;

    33 class ExternalHelperAppParent : public PExternalHelperAppParent

    34                               , public nsHashPropertyBag

    35                               , public nsIChannel

    36                               , public nsIMultiPartChannel

    37                               , public nsIResumableChannel

    38                               , public nsIStreamListener

    39 {

    40     typedef mozilla::ipc::OptionalURIParams OptionalURIParams;

    42 public:

    43     NS_DECL_ISUPPORTS

    44     NS_DECL_NSIREQUEST

    45     NS_DECL_NSICHANNEL

    46     NS_DECL_NSIMULTIPARTCHANNEL

    47     NS_DECL_NSIRESUMABLECHANNEL

    48     NS_DECL_NSISTREAMLISTENER

    49     NS_DECL_NSIREQUESTOBSERVER

    51     bool RecvOnStartRequest(const nsCString& entityID) MOZ_OVERRIDE;

    52     bool RecvOnDataAvailable(const nsCString& data,

    53                              const uint64_t& offset,

    54                              const uint32_t& count) MOZ_OVERRIDE;

    55     bool RecvOnStopRequest(const nsresult& code) MOZ_OVERRIDE;

    57     bool RecvDivertToParentUsing(PChannelDiverterParent* diverter) MOZ_OVERRIDE;

    59     ExternalHelperAppParent(const OptionalURIParams& uri, const int64_t& contentLength);

    60     void Init(ContentParent *parent,

    61               const nsCString& aMimeContentType,

    62               const nsCString& aContentDisposition,

    63               const uint32_t& aContentDispositionHint,

    64               const nsString& aContentDispositionFilename,

    65               const bool& aForceSave,

    66               const OptionalURIParams& aReferrer,

    67               PBrowserParent* aBrowser);

    68     virtual ~ExternalHelperAppParent();

    70 protected:

    71   virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;

    72   void Delete();

    74 private:

    75   nsCOMPtr<nsIStreamListener> mListener;

    76   nsCOMPtr<nsIURI> mURI;

    77   bool mPending;

    78   DebugOnly<bool> mDiverted;

    79   bool mIPCClosed;

    80   nsLoadFlags mLoadFlags;

    81   nsresult mStatus;

    82   int64_t mContentLength;

    83   uint32_t mContentDisposition;

    84   nsString mContentDispositionFilename;

    85   nsCString mContentDispositionHeader;

    86   nsCString mEntityID;

    87 };

    89 } // namespace dom

    90 } // namespace mozilla

The Tor Browser / file revision

uriloader/exthandler/ExternalHelperAppParent.h@97036ab72558

uriloader/exthandler/ExternalHelperAppParent.h