diff options
Diffstat (limited to 'docshell/base/LoadContext.cpp')
| -rw-r--r-- | docshell/base/LoadContext.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/docshell/base/LoadContext.cpp b/docshell/base/LoadContext.cpp new file mode 100644 index 0000000000..e90ad77f80 --- /dev/null +++ b/docshell/base/LoadContext.cpp @@ -0,0 +1,236 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/Assertions.h" +#include "mozilla/BasePrincipal.h" +#include "mozilla/dom/ToJSValue.h" +#include "mozilla/LoadContext.h" +#include "mozilla/Preferences.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/ScriptSettings.h" // for AutoJSAPI +#include "mozilla/dom/BrowsingContext.h" +#include "nsContentUtils.h" +#include "xpcpublic.h" + +namespace mozilla { + +NS_IMPL_ISUPPORTS(LoadContext, nsILoadContext, nsIInterfaceRequestor) + +LoadContext::LoadContext(const IPC::SerializedLoadContext& aToCopy, + dom::Element* aTopFrameElement, + OriginAttributes& aAttrs) + : mTopFrameElement(do_GetWeakReference(aTopFrameElement)), + mIsContent(aToCopy.mIsContent), + mUseRemoteTabs(aToCopy.mUseRemoteTabs), + mUseRemoteSubframes(aToCopy.mUseRemoteSubframes), + mUseTrackingProtection(aToCopy.mUseTrackingProtection), +#ifdef DEBUG + mIsNotNull(aToCopy.mIsNotNull), +#endif + mOriginAttributes(aAttrs) { +} + +LoadContext::LoadContext(OriginAttributes& aAttrs) + : mTopFrameElement(nullptr), + mIsContent(false), + mUseRemoteTabs(false), + mUseRemoteSubframes(false), + mUseTrackingProtection(false), +#ifdef DEBUG + mIsNotNull(true), +#endif + mOriginAttributes(aAttrs) { +} + +LoadContext::LoadContext(nsIPrincipal* aPrincipal, + nsILoadContext* aOptionalBase) + : mTopFrameElement(nullptr), + mIsContent(true), + mUseRemoteTabs(false), + mUseRemoteSubframes(false), + mUseTrackingProtection(false), +#ifdef DEBUG + mIsNotNull(true), +#endif + mOriginAttributes(aPrincipal->OriginAttributesRef()) { + if (!aOptionalBase) { + return; + } + + MOZ_ALWAYS_SUCCEEDS(aOptionalBase->GetIsContent(&mIsContent)); + MOZ_ALWAYS_SUCCEEDS(aOptionalBase->GetUseRemoteTabs(&mUseRemoteTabs)); + MOZ_ALWAYS_SUCCEEDS( + aOptionalBase->GetUseRemoteSubframes(&mUseRemoteSubframes)); + MOZ_ALWAYS_SUCCEEDS( + aOptionalBase->GetUseTrackingProtection(&mUseTrackingProtection)); +} + +LoadContext::~LoadContext() = default; + +//----------------------------------------------------------------------------- +// LoadContext::nsILoadContext +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +LoadContext::GetAssociatedWindow(mozIDOMWindowProxy**) { + MOZ_ASSERT(mIsNotNull); + + // can't support this in the parent process + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::GetTopWindow(mozIDOMWindowProxy**) { + MOZ_ASSERT(mIsNotNull); + + // can't support this in the parent process + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::GetTopFrameElement(dom::Element** aElement) { + nsCOMPtr<dom::Element> element = do_QueryReferent(mTopFrameElement); + element.forget(aElement); + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::GetIsContent(bool* aIsContent) { + MOZ_ASSERT(mIsNotNull); + + NS_ENSURE_ARG_POINTER(aIsContent); + + *aIsContent = mIsContent; + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::GetUsePrivateBrowsing(bool* aUsePrivateBrowsing) { + MOZ_ASSERT(mIsNotNull); + + NS_ENSURE_ARG_POINTER(aUsePrivateBrowsing); + + *aUsePrivateBrowsing = mOriginAttributes.mPrivateBrowsingId > 0; + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::SetUsePrivateBrowsing(bool aUsePrivateBrowsing) { + MOZ_ASSERT(mIsNotNull); + + // We shouldn't need this on parent... + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::SetPrivateBrowsing(bool aUsePrivateBrowsing) { + MOZ_ASSERT(mIsNotNull); + + // We shouldn't need this on parent... + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::GetUseRemoteTabs(bool* aUseRemoteTabs) { + MOZ_ASSERT(mIsNotNull); + + NS_ENSURE_ARG_POINTER(aUseRemoteTabs); + + *aUseRemoteTabs = mUseRemoteTabs; + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::SetRemoteTabs(bool aUseRemoteTabs) { + MOZ_ASSERT(mIsNotNull); + + // We shouldn't need this on parent... + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::GetUseRemoteSubframes(bool* aUseRemoteSubframes) { + MOZ_ASSERT(mIsNotNull); + + NS_ENSURE_ARG_POINTER(aUseRemoteSubframes); + + *aUseRemoteSubframes = mUseRemoteSubframes; + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::SetRemoteSubframes(bool aUseRemoteSubframes) { + MOZ_ASSERT(mIsNotNull); + + // We shouldn't need this on parent... + return NS_ERROR_UNEXPECTED; +} + +NS_IMETHODIMP +LoadContext::GetScriptableOriginAttributes(JSContext* aCx, + JS::MutableHandleValue aAttrs) { + bool ok = ToJSValue(aCx, mOriginAttributes, aAttrs); + NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE); + return NS_OK; +} + +NS_IMETHODIMP_(void) +LoadContext::GetOriginAttributes(mozilla::OriginAttributes& aAttrs) { + aAttrs = mOriginAttributes; +} + +NS_IMETHODIMP +LoadContext::GetUseTrackingProtection(bool* aUseTrackingProtection) { + MOZ_ASSERT(mIsNotNull); + + NS_ENSURE_ARG_POINTER(aUseTrackingProtection); + + *aUseTrackingProtection = mUseTrackingProtection; + return NS_OK; +} + +NS_IMETHODIMP +LoadContext::SetUseTrackingProtection(bool aUseTrackingProtection) { + MOZ_ASSERT_UNREACHABLE("Should only be set through nsDocShell"); + + return NS_ERROR_UNEXPECTED; +} + +//----------------------------------------------------------------------------- +// LoadContext::nsIInterfaceRequestor +//----------------------------------------------------------------------------- +NS_IMETHODIMP +LoadContext::GetInterface(const nsIID& aIID, void** aResult) { + NS_ENSURE_ARG_POINTER(aResult); + *aResult = nullptr; + + if (aIID.Equals(NS_GET_IID(nsILoadContext))) { + *aResult = static_cast<nsILoadContext*>(this); + NS_ADDREF_THIS(); + return NS_OK; + } + + return NS_NOINTERFACE; +} + +static already_AddRefed<nsILoadContext> CreateInstance(bool aPrivate) { + OriginAttributes oa; + oa.mPrivateBrowsingId = aPrivate ? 1 : 0; + + nsCOMPtr<nsILoadContext> lc = new LoadContext(oa); + + return lc.forget(); +} + +already_AddRefed<nsILoadContext> CreateLoadContext() { + return CreateInstance(false); +} + +already_AddRefed<nsILoadContext> CreatePrivateLoadContext() { + return CreateInstance(true); +} + +} // namespace mozilla |