The Tor Browser: netwerk/protocol/rtsp/RtspChannelParent.h@925c144e1f1f

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set sw=2 ts=8 et 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 #ifndef RtspChannelParent_h

     8 #define RtspChannelParent_h

    10 #include "mozilla/net/PRtspChannelParent.h"

    11 #include "mozilla/net/NeckoParent.h"

    12 #include "nsBaseChannel.h"

    13 #include "nsIParentChannel.h"

    15 namespace mozilla {

    16 namespace net {

    18 //-----------------------------------------------------------------------------

    19 // Note: RtspChannel doesn't transport streams as normal channel does.

    20 // (See RtspChannelChild.h for detail).

    21 // The reason for the existence of RtspChannelParent is to support HTTP->RTSP

    22 // redirection.

    23 // When redirection happens, two instances of RtspChannelParent will be created:

    24 // - One will be created when HTTP creates the new channel for redirects, and

    25 //   will be registered as an nsIChannel.

    26 // - The other will be created via IPDL by RtspChannelChild, and will be

    27 //   registered as an nsIParentChannel.

    28 class RtspChannelParent : public PRtspChannelParent

    29                         , public nsBaseChannel

    30                         , public nsIParentChannel

    31 {

    32 public:

    33   NS_DECL_ISUPPORTS

    34   NS_DECL_NSIPARENTCHANNEL

    36   RtspChannelParent(nsIURI *aUri);

    37   ~RtspChannelParent();

    39   // nsBaseChannel::nsIChannel

    40   NS_IMETHOD GetContentType(nsACString & aContentType) MOZ_OVERRIDE MOZ_FINAL;

    41   NS_IMETHOD AsyncOpen(nsIStreamListener *listener,

    42                        nsISupports *aContext) MOZ_OVERRIDE MOZ_FINAL;

    44   // nsBaseChannel::nsIStreamListener::nsIRequestObserver

    45   NS_IMETHOD OnStartRequest(nsIRequest *aRequest,

    46                             nsISupports *aContext) MOZ_OVERRIDE MOZ_FINAL;

    47   NS_IMETHOD OnStopRequest(nsIRequest *aRequest,

    48                            nsISupports *aContext,

    49                            nsresult aStatusCode) MOZ_OVERRIDE MOZ_FINAL;

    51   // nsBaseChannel::nsIStreamListener

    52   NS_IMETHOD OnDataAvailable(nsIRequest *aRequest,

    53                              nsISupports *aContext,

    54                              nsIInputStream *aInputStream,

    55                              uint64_t aOffset,

    56                              uint32_t aCount) MOZ_OVERRIDE MOZ_FINAL;

    58   // nsBaseChannel::nsIChannel::nsIRequest

    59   NS_IMETHOD Cancel(nsresult status) MOZ_OVERRIDE MOZ_FINAL;

    60   NS_IMETHOD Suspend() MOZ_OVERRIDE MOZ_FINAL;

    61   NS_IMETHOD Resume() MOZ_OVERRIDE MOZ_FINAL;

    63   // nsBaseChannel

    64   NS_IMETHOD OpenContentStream(bool aAsync,

    65                                nsIInputStream **aStream,

    66                                nsIChannel **aChannel) MOZ_OVERRIDE MOZ_FINAL;

    68   // RtspChannelParent

    69   bool Init(const RtspChannelConnectArgs& aArgs);

    71 protected:

    72   // Used to connect redirected-to channel in parent with just created

    73   // ChildChannel. Used during HTTP->RTSP redirection.

    74   bool ConnectChannel(const uint32_t& channelId);

    76 private:

    77   bool mIPCClosed;

    78   virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;

    79 };

    81 } // namespace net

    82 } // namespace mozilla

    84 #endif // RtspChannelParent_h

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