docshell/base/SerializedLoadContext.cpp

   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/. */
   6
   7 #include "SerializedLoadContext.h"
   8 #include "nsNetUtil.h"
   9 #include "nsIChannel.h"
  10 #include "nsIWebSocketChannel.h"
  11
  12 namespace IPC {
  13
  14 SerializedLoadContext::SerializedLoadContext(nsILoadContext* aLoadContext)
  15 {
  16   Init(aLoadContext);
  17 }
  18
  19 SerializedLoadContext::SerializedLoadContext(nsIChannel* aChannel)
  20 {
  21   if (!aChannel) {
  22     Init(nullptr);
  23     return;
  24   }
  25
  26   nsCOMPtr<nsILoadContext> loadContext;
  27   NS_QueryNotificationCallbacks(aChannel, loadContext);
  28   Init(loadContext);
  29
  30   if (!loadContext) {
  31     // Attempt to retrieve the private bit from the channel if it has been
  32     // overriden.
  33     bool isPrivate = false;
  34     bool isOverriden = false;
  35     nsCOMPtr<nsIPrivateBrowsingChannel> pbChannel = do_QueryInterface(aChannel);
  36     if (pbChannel &&
  37         NS_SUCCEEDED(pbChannel->IsPrivateModeOverriden(&isPrivate, &isOverriden)) &&
  38         isOverriden) {
  39       mUsePrivateBrowsing = isPrivate;
  40       mIsPrivateBitValid = true;
  41     }
  42   }
  43 }
  44
  45 SerializedLoadContext::SerializedLoadContext(nsIWebSocketChannel* aChannel)
  46 {
  47   nsCOMPtr<nsILoadContext> loadContext;
  48   if (aChannel) {
  49     NS_QueryNotificationCallbacks(aChannel, loadContext);
  50   }
  51   Init(loadContext);
  52 }
  53
  54 void
  55 SerializedLoadContext::Init(nsILoadContext* aLoadContext)
  56 {
  57   if (aLoadContext) {
  58     mIsNotNull = true;
  59     mIsPrivateBitValid = true;
  60     aLoadContext->GetIsContent(&mIsContent);
  61     aLoadContext->GetUsePrivateBrowsing(&mUsePrivateBrowsing);
  62     aLoadContext->GetUseRemoteTabs(&mUseRemoteTabs);
  63     aLoadContext->GetAppId(&mAppId);
  64     aLoadContext->GetIsInBrowserElement(&mIsInBrowserElement);
  65   } else {
  66     mIsNotNull = false;
  67     mIsPrivateBitValid = false;
  68     // none of below values really matter when mIsNotNull == false:
  69     // we won't be GetInterfaced to nsILoadContext
  70     mIsContent = true;
  71     mUsePrivateBrowsing = false;
  72     mUseRemoteTabs = false;
  73     mAppId = 0;
  74     mIsInBrowserElement = false;
  75   }
  76 }
  77
  78 } // namespace IPC
  79