netwerk/base/nsIParentRedirectingChannel.idl

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsIParentChannel.idl"
   6
   7 interface nsIRemoteTab;
   8 interface nsIChannel;
   9 interface nsIAsyncVerifyRedirectCallback;
  10
  11 [uuid(01987690-48cf-45de-bae3-e143c2adc2a8)]
  12 interface nsIAsyncVerifyRedirectReadyCallback : nsISupports
  13 {
  14   /**
  15    * Asynchronous callback when redirected channel finishes the preparation for
  16    * completing the verification procedure.
  17    *
  18    * @param result
  19    *    SUCCEEDED if preparation for redirection verification succceed.
  20    *    If FAILED the redirection must be aborted.
  21    */
  22   void readyToVerify(in nsresult result);
  23 };
  24
  25 /**
  26  * Implemented by chrome side of IPC protocols that support redirect responses.
  27  */
  28
  29 [scriptable, uuid(3ed1d288-5324-46ee-8a98-33ac37d1080b)]
  30 interface nsIParentRedirectingChannel : nsIParentChannel
  31 {
  32   /**
  33    * Called when the channel got a response that redirects it to a different
  34    * URI.  The implementation is responsible for calling the redirect observers
  35    * on the child process and provide the decision result to the callback.
  36    *
  37    * @param newURI
  38    *    the URI we redirect to
  39    * @param callback
  40    *    redirect result callback, usage is compatible with how
  41    *    nsIChannelEventSink defines it
  42    */
  43   void startRedirect(in nsIChannel newChannel,
  44                      in uint32_t redirectFlags,
  45                      in nsIAsyncVerifyRedirectCallback callback);
  46
  47   /**
  48    * Called to new channel when the original channel got Redirect2Verify
  49    * response from child. Callback will be invoked when the new channel
  50    * finishes the preparation for Redirect2Verify and can be called immediately.
  51    *
  52    * @param callback
  53    *    redirect ready callback, will be called when redirect verification
  54    *    procedure can proceed.
  55    */
  56   void continueVerification(in nsIAsyncVerifyRedirectReadyCallback callback);
  57
  58   /**
  59    * Called after we are done with redirecting process and we know if to
  60    * redirect or not.  Forward the redirect result to the child process.  From
  61    * that moment the nsIParentChannel implementation expects it will be
  62    * forwarded all notifications from the 'real' channel.
  63    *
  64    * Primarilly used by HttpChannelParent::OnRedirectResult and kept as
  65    * mActiveChannel and mRedirectChannel in that class.
  66    */
  67   void completeRedirect(in nsresult succeeded);
  68 };