docshell/base/LoadContext.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 "mozilla/Assertions.h"
   8 #include "mozilla/LoadContext.h"
   9
  10 namespace mozilla {
  11
  12 NS_IMPL_ISUPPORTS(LoadContext, nsILoadContext, nsIInterfaceRequestor)
  13
  14 LoadContext::LoadContext(nsIPrincipal* aPrincipal)
  15   : mTopFrameElement(nullptr)
  16   , mNestedFrameId(0)
  17   , mIsContent(true)
  18   , mUsePrivateBrowsing(false)
  19   , mUseRemoteTabs(false)
  20 #ifdef DEBUG
  21   , mIsNotNull(true)
  22 #endif
  23 {
  24   MOZ_ALWAYS_TRUE(NS_SUCCEEDED(aPrincipal->GetAppId(&mAppId)));
  25   MOZ_ALWAYS_TRUE(NS_SUCCEEDED(
  26     aPrincipal->GetIsInBrowserElement(&mIsInBrowserElement)));
  27 }
  28
  29 //-----------------------------------------------------------------------------
  30 // LoadContext::nsILoadContext
  31 //-----------------------------------------------------------------------------
  32
  33 NS_IMETHODIMP
  34 LoadContext::GetAssociatedWindow(nsIDOMWindow**)
  35 {
  36   MOZ_ASSERT(mIsNotNull);
  37
  38   // can't support this in the parent process
  39   return NS_ERROR_UNEXPECTED;
  40 }
  41
  42 NS_IMETHODIMP
  43 LoadContext::GetTopWindow(nsIDOMWindow**)
  44 {
  45   MOZ_ASSERT(mIsNotNull);
  46
  47   // can't support this in the parent process
  48   return NS_ERROR_UNEXPECTED;
  49 }
  50
  51 NS_IMETHODIMP
  52 LoadContext::GetTopFrameElement(nsIDOMElement** aElement)
  53 {
  54   nsCOMPtr<nsIDOMElement> element = do_QueryReferent(mTopFrameElement);
  55   element.forget(aElement);
  56   return NS_OK;
  57 }
  58
  59 NS_IMETHODIMP
  60 LoadContext::GetNestedFrameId(uint64_t* aId)
  61 {
  62   NS_ENSURE_ARG(aId);
  63   *aId = mNestedFrameId;
  64   return NS_OK;
  65 }
  66
  67 NS_IMETHODIMP
  68 LoadContext::IsAppOfType(uint32_t, bool*)
  69 {
  70   MOZ_ASSERT(mIsNotNull);
  71
  72   // don't expect we need this in parent (Thunderbird/SeaMonkey specific?)
  73   return NS_ERROR_UNEXPECTED;
  74 }
  75
  76 NS_IMETHODIMP
  77 LoadContext::GetIsContent(bool* aIsContent)
  78 {
  79   MOZ_ASSERT(mIsNotNull);
  80
  81   NS_ENSURE_ARG_POINTER(aIsContent);
  82
  83   *aIsContent = mIsContent;
  84   return NS_OK;
  85 }
  86
  87 NS_IMETHODIMP
  88 LoadContext::GetUsePrivateBrowsing(bool* aUsePrivateBrowsing)
  89 {
  90   MOZ_ASSERT(mIsNotNull);
  91
  92   NS_ENSURE_ARG_POINTER(aUsePrivateBrowsing);
  93
  94   *aUsePrivateBrowsing = mUsePrivateBrowsing;
  95   return NS_OK;
  96 }
  97
  98 NS_IMETHODIMP
  99 LoadContext::SetUsePrivateBrowsing(bool aUsePrivateBrowsing)
 100 {
 101   MOZ_ASSERT(mIsNotNull);
 102
 103   // We shouldn't need this on parent...
 104   return NS_ERROR_UNEXPECTED;
 105 }
 106
 107 NS_IMETHODIMP
 108 LoadContext::SetPrivateBrowsing(bool aUsePrivateBrowsing)
 109 {
 110   MOZ_ASSERT(mIsNotNull);
 111
 112   // We shouldn't need this on parent...
 113   return NS_ERROR_UNEXPECTED;
 114 }
 115
 116 NS_IMETHODIMP
 117 LoadContext::GetUseRemoteTabs(bool* aUseRemoteTabs)
 118 {
 119   MOZ_ASSERT(mIsNotNull);
 120
 121   NS_ENSURE_ARG_POINTER(aUseRemoteTabs);
 122
 123   *aUseRemoteTabs = mUseRemoteTabs;
 124   return NS_OK;
 125 }
 126
 127 NS_IMETHODIMP
 128 LoadContext::SetRemoteTabs(bool aUseRemoteTabs)
 129 {
 130   MOZ_ASSERT(mIsNotNull);
 131
 132   // We shouldn't need this on parent...
 133   return NS_ERROR_UNEXPECTED;
 134 }
 135
 136 NS_IMETHODIMP
 137 LoadContext::GetIsInBrowserElement(bool* aIsInBrowserElement)
 138 {
 139   MOZ_ASSERT(mIsNotNull);
 140
 141   NS_ENSURE_ARG_POINTER(aIsInBrowserElement);
 142
 143   *aIsInBrowserElement = mIsInBrowserElement;
 144   return NS_OK;
 145 }
 146
 147 NS_IMETHODIMP
 148 LoadContext::GetAppId(uint32_t* aAppId)
 149 {
 150   MOZ_ASSERT(mIsNotNull);
 151
 152   NS_ENSURE_ARG_POINTER(aAppId);
 153
 154   *aAppId = mAppId;
 155   return NS_OK;
 156 }
 157
 158 //-----------------------------------------------------------------------------
 159 // LoadContext::nsIInterfaceRequestor
 160 //-----------------------------------------------------------------------------
 161 NS_IMETHODIMP
 162 LoadContext::GetInterface(const nsIID &aIID, void **aResult)
 163 {
 164   NS_ENSURE_ARG_POINTER(aResult);
 165   *aResult = nullptr;
 166
 167   if (aIID.Equals(NS_GET_IID(nsILoadContext))) {
 168     *aResult = static_cast<nsILoadContext*>(this);
 169     NS_ADDREF_THIS();
 170     return NS_OK;
 171   }
 172
 173   return NS_NOINTERFACE;
 174 }
 175
 176 } // namespace mozilla