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-rw-r--r--dom/html/nsGenericHTMLFrameElement.cpp690
1 files changed, 690 insertions, 0 deletions
diff --git a/dom/html/nsGenericHTMLFrameElement.cpp b/dom/html/nsGenericHTMLFrameElement.cpp
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+++ b/dom/html/nsGenericHTMLFrameElement.cpp
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+/* -*- 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 "nsGenericHTMLFrameElement.h"
+
+#include "mozilla/dom/BrowserElementAudioChannel.h"
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/dom/HTMLIFrameElement.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/ErrorResult.h"
+#include "GeckoProfiler.h"
+#include "mozIApplication.h"
+#include "nsAttrValueInlines.h"
+#include "nsContentUtils.h"
+#include "nsIAppsService.h"
+#include "nsIDocShell.h"
+#include "nsIDOMDocument.h"
+#include "nsIFrame.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsIPermissionManager.h"
+#include "nsIPresShell.h"
+#include "nsIScrollable.h"
+#include "nsPresContext.h"
+#include "nsServiceManagerUtils.h"
+#include "nsSubDocumentFrame.h"
+#include "nsXULElement.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(nsGenericHTMLFrameElement)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsGenericHTMLFrameElement,
+ nsGenericHTMLElement)
+ NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFrameLoader)
+ NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOpenerWindow)
+ NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBrowserElementAPI)
+ NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mBrowserElementAudioChannels)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsGenericHTMLFrameElement,
+ nsGenericHTMLElement)
+ if (tmp->mFrameLoader) {
+ tmp->mFrameLoader->Destroy();
+ }
+
+ NS_IMPL_CYCLE_COLLECTION_UNLINK(mFrameLoader)
+ NS_IMPL_CYCLE_COLLECTION_UNLINK(mOpenerWindow)
+ NS_IMPL_CYCLE_COLLECTION_UNLINK(mBrowserElementAPI)
+ NS_IMPL_CYCLE_COLLECTION_UNLINK(mBrowserElementAudioChannels)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_ADDREF_INHERITED(nsGenericHTMLFrameElement, nsGenericHTMLElement)
+NS_IMPL_RELEASE_INHERITED(nsGenericHTMLFrameElement, nsGenericHTMLElement)
+
+NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(nsGenericHTMLFrameElement)
+ NS_INTERFACE_TABLE_INHERITED(nsGenericHTMLFrameElement,
+ nsIFrameLoaderOwner,
+ nsIDOMMozBrowserFrame,
+ nsIMozBrowserFrame)
+NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLElement)
+NS_IMPL_BOOL_ATTR(nsGenericHTMLFrameElement, Mozbrowser, mozbrowser)
+
+int32_t
+nsGenericHTMLFrameElement::TabIndexDefault()
+{
+ return 0;
+}
+
+nsGenericHTMLFrameElement::~nsGenericHTMLFrameElement()
+{
+ if (mFrameLoader) {
+ mFrameLoader->Destroy();
+ }
+}
+
+nsresult
+nsGenericHTMLFrameElement::GetContentDocument(nsIDOMDocument** aContentDocument)
+{
+ NS_PRECONDITION(aContentDocument, "Null out param");
+ nsCOMPtr<nsIDOMDocument> document =
+ do_QueryInterface(GetContentDocument(*nsContentUtils::SubjectPrincipal()));
+ document.forget(aContentDocument);
+ return NS_OK;
+}
+
+nsIDocument*
+nsGenericHTMLFrameElement::GetContentDocument(nsIPrincipal& aSubjectPrincipal)
+{
+ nsCOMPtr<nsPIDOMWindowOuter> win = GetContentWindow();
+ if (!win) {
+ return nullptr;
+ }
+
+ nsIDocument *doc = win->GetDoc();
+ if (!doc) {
+ return nullptr;
+ }
+
+ // Return null for cross-origin contentDocument.
+ if (!aSubjectPrincipal.SubsumesConsideringDomain(doc->NodePrincipal())) {
+ return nullptr;
+ }
+ return doc;
+}
+
+already_AddRefed<nsPIDOMWindowOuter>
+nsGenericHTMLFrameElement::GetContentWindow()
+{
+ EnsureFrameLoader();
+
+ if (!mFrameLoader) {
+ return nullptr;
+ }
+
+ bool depthTooGreat = false;
+ mFrameLoader->GetDepthTooGreat(&depthTooGreat);
+ if (depthTooGreat) {
+ // Claim to have no contentWindow
+ return nullptr;
+ }
+
+ nsCOMPtr<nsIDocShell> doc_shell;
+ mFrameLoader->GetDocShell(getter_AddRefs(doc_shell));
+ if (!doc_shell) {
+ return nullptr;
+ }
+
+ nsCOMPtr<nsPIDOMWindowOuter> win = doc_shell->GetWindow();
+
+ if (!win) {
+ return nullptr;
+ }
+
+ NS_ASSERTION(win->IsOuterWindow(),
+ "Uh, this window should always be an outer window!");
+
+ return win.forget();
+}
+
+void
+nsGenericHTMLFrameElement::EnsureFrameLoader()
+{
+ if (!IsInComposedDoc() || mFrameLoader || mFrameLoaderCreationDisallowed) {
+ // If frame loader is there, we just keep it around, cached
+ return;
+ }
+
+ // Strangely enough, this method doesn't actually ensure that the
+ // frameloader exists. It's more of a best-effort kind of thing.
+ mFrameLoader = nsFrameLoader::Create(this,
+ nsPIDOMWindowOuter::From(mOpenerWindow),
+ mNetworkCreated);
+ if (mIsPrerendered) {
+ mFrameLoader->SetIsPrerendered();
+ }
+}
+
+nsresult
+nsGenericHTMLFrameElement::CreateRemoteFrameLoader(nsITabParent* aTabParent)
+{
+ MOZ_ASSERT(!mFrameLoader);
+ EnsureFrameLoader();
+ NS_ENSURE_STATE(mFrameLoader);
+ mFrameLoader->SetRemoteBrowser(aTabParent);
+
+ if (nsSubDocumentFrame* subdocFrame = do_QueryFrame(GetPrimaryFrame())) {
+ // The reflow for this element already happened while we were waiting
+ // for the iframe creation. Therefore the subdoc frame didn't have a
+ // frameloader when UpdatePositionAndSize was supposed to be called in
+ // ReflowFinished, and we need to do it properly now.
+ mFrameLoader->UpdatePositionAndSize(subdocFrame);
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::GetFrameLoaderXPCOM(nsIFrameLoader **aFrameLoader)
+{
+ NS_IF_ADDREF(*aFrameLoader = mFrameLoader);
+ return NS_OK;
+}
+
+NS_IMETHODIMP_(already_AddRefed<nsFrameLoader>)
+nsGenericHTMLFrameElement::GetFrameLoader()
+{
+ RefPtr<nsFrameLoader> loader = mFrameLoader;
+ return loader.forget();
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::GetParentApplication(mozIApplication** aApplication)
+{
+ if (!aApplication) {
+ return NS_ERROR_FAILURE;
+ }
+
+ *aApplication = nullptr;
+
+ nsIPrincipal *principal = NodePrincipal();
+ uint32_t appId = principal->GetAppId();
+
+ nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
+ if (NS_WARN_IF(!appsService)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ nsresult rv = appsService->GetAppByLocalId(appId, aApplication);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+void
+nsGenericHTMLFrameElement::PresetOpenerWindow(mozIDOMWindowProxy* aWindow, ErrorResult& aRv)
+{
+ MOZ_ASSERT(!mFrameLoader);
+ mOpenerWindow = nsPIDOMWindowOuter::From(aWindow);
+}
+
+void
+nsGenericHTMLFrameElement::InternalSetFrameLoader(nsIFrameLoader* aNewFrameLoader)
+{
+ mFrameLoader = static_cast<nsFrameLoader*>(aNewFrameLoader);
+}
+
+void
+nsGenericHTMLFrameElement::SwapFrameLoaders(HTMLIFrameElement& aOtherLoaderOwner,
+ ErrorResult& rv)
+{
+ if (&aOtherLoaderOwner == this) {
+ // nothing to do
+ return;
+ }
+
+ aOtherLoaderOwner.SwapFrameLoaders(this, rv);
+}
+
+void
+nsGenericHTMLFrameElement::SwapFrameLoaders(nsXULElement& aOtherLoaderOwner,
+ ErrorResult& rv)
+{
+ aOtherLoaderOwner.SwapFrameLoaders(this, rv);
+}
+
+void
+nsGenericHTMLFrameElement::SwapFrameLoaders(nsIFrameLoaderOwner* aOtherLoaderOwner,
+ mozilla::ErrorResult& rv)
+{
+ RefPtr<nsFrameLoader> loader = GetFrameLoader();
+ RefPtr<nsFrameLoader> otherLoader = aOtherLoaderOwner->GetFrameLoader();
+ if (!loader || !otherLoader) {
+ rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
+ return;
+ }
+
+ rv = loader->SwapWithOtherLoader(otherLoader, this, aOtherLoaderOwner);
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::SetIsPrerendered()
+{
+ MOZ_ASSERT(!mFrameLoader, "Please call SetIsPrerendered before frameLoader is created");
+ mIsPrerendered = true;
+ return NS_OK;
+}
+
+nsresult
+nsGenericHTMLFrameElement::LoadSrc()
+{
+ EnsureFrameLoader();
+
+ if (!mFrameLoader) {
+ return NS_OK;
+ }
+
+ nsresult rv = mFrameLoader->LoadFrame();
+#ifdef DEBUG
+ if (NS_FAILED(rv)) {
+ NS_WARNING("failed to load URL");
+ }
+#endif
+
+ return rv;
+}
+
+nsresult
+nsGenericHTMLFrameElement::BindToTree(nsIDocument* aDocument,
+ nsIContent* aParent,
+ nsIContent* aBindingParent,
+ bool aCompileEventHandlers)
+{
+ nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
+ aBindingParent,
+ aCompileEventHandlers);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (IsInComposedDoc()) {
+ NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
+ "Missing a script blocker!");
+
+ PROFILER_LABEL("nsGenericHTMLFrameElement", "BindToTree",
+ js::ProfileEntry::Category::OTHER);
+
+ // We're in a document now. Kick off the frame load.
+ LoadSrc();
+ }
+
+ // We're now in document and scripts may move us, so clear
+ // the mNetworkCreated flag.
+ mNetworkCreated = false;
+ return rv;
+}
+
+void
+nsGenericHTMLFrameElement::UnbindFromTree(bool aDeep, bool aNullParent)
+{
+ if (mFrameLoader) {
+ // This iframe is being taken out of the document, destroy the
+ // iframe's frame loader (doing that will tear down the window in
+ // this iframe).
+ // XXXbz we really want to only partially destroy the frame
+ // loader... we don't want to tear down the docshell. Food for
+ // later bug.
+ mFrameLoader->Destroy();
+ mFrameLoader = nullptr;
+ }
+
+ nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
+}
+
+nsresult
+nsGenericHTMLFrameElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ nsIAtom* aPrefix, const nsAString& aValue,
+ bool aNotify)
+{
+ nsresult rv = nsGenericHTMLElement::SetAttr(aNameSpaceID, aName, aPrefix,
+ aValue, aNotify);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::src &&
+ (!IsHTMLElement(nsGkAtoms::iframe) ||
+ !HasAttr(kNameSpaceID_None,nsGkAtoms::srcdoc))) {
+ // Don't propagate error here. The attribute was successfully set, that's
+ // what we should reflect.
+ LoadSrc();
+ } else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::name) {
+ // Propagate "name" to the docshell to make browsing context names live,
+ // per HTML5.
+ nsIDocShell *docShell = mFrameLoader ? mFrameLoader->GetExistingDocShell()
+ : nullptr;
+ if (docShell) {
+ docShell->SetName(aValue);
+ }
+ }
+
+ return NS_OK;
+}
+
+nsresult
+nsGenericHTMLFrameElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+ bool aNotify)
+{
+ // Invoke on the superclass.
+ nsresult rv = nsGenericHTMLElement::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::name) {
+ // Propagate "name" to the docshell to make browsing context names live,
+ // per HTML5.
+ nsIDocShell *docShell = mFrameLoader ? mFrameLoader->GetExistingDocShell()
+ : nullptr;
+ if (docShell) {
+ docShell->SetName(EmptyString());
+ }
+ }
+
+ return NS_OK;
+}
+
+/* static */ int32_t
+nsGenericHTMLFrameElement::MapScrollingAttribute(const nsAttrValue* aValue)
+{
+ int32_t mappedValue = nsIScrollable::Scrollbar_Auto;
+ if (aValue && aValue->Type() == nsAttrValue::eEnum) {
+ switch (aValue->GetEnumValue()) {
+ case NS_STYLE_FRAME_OFF:
+ case NS_STYLE_FRAME_NOSCROLL:
+ case NS_STYLE_FRAME_NO:
+ mappedValue = nsIScrollable::Scrollbar_Never;
+ break;
+ }
+ }
+ return mappedValue;
+}
+
+/* virtual */ nsresult
+nsGenericHTMLFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ const nsAttrValue* aValue,
+ bool aNotify)
+{
+ if (aName == nsGkAtoms::scrolling && aNameSpaceID == kNameSpaceID_None) {
+ if (mFrameLoader) {
+ nsIDocShell* docshell = mFrameLoader->GetExistingDocShell();
+ nsCOMPtr<nsIScrollable> scrollable = do_QueryInterface(docshell);
+ if (scrollable) {
+ int32_t cur;
+ scrollable->GetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, &cur);
+ int32_t val = MapScrollingAttribute(aValue);
+ if (cur != val) {
+ scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, val);
+ scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y, val);
+ RefPtr<nsPresContext> presContext;
+ docshell->GetPresContext(getter_AddRefs(presContext));
+ nsIPresShell* shell = presContext ? presContext->GetPresShell() : nullptr;
+ nsIFrame* rootScroll = shell ? shell->GetRootScrollFrame() : nullptr;
+ if (rootScroll) {
+ shell->FrameNeedsReflow(rootScroll, nsIPresShell::eStyleChange,
+ NS_FRAME_IS_DIRTY);
+ }
+ }
+ }
+ }
+ }
+
+ return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName, aValue,
+ aNotify);
+}
+
+void
+nsGenericHTMLFrameElement::DestroyContent()
+{
+ if (mFrameLoader) {
+ mFrameLoader->Destroy();
+ mFrameLoader = nullptr;
+ }
+
+ nsGenericHTMLElement::DestroyContent();
+}
+
+nsresult
+nsGenericHTMLFrameElement::CopyInnerTo(Element* aDest)
+{
+ nsresult rv = nsGenericHTMLElement::CopyInnerTo(aDest);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsIDocument* doc = aDest->OwnerDoc();
+ if (doc->IsStaticDocument() && mFrameLoader) {
+ nsGenericHTMLFrameElement* dest =
+ static_cast<nsGenericHTMLFrameElement*>(aDest);
+ nsFrameLoader* fl = nsFrameLoader::Create(dest, nullptr, false);
+ NS_ENSURE_STATE(fl);
+ dest->mFrameLoader = fl;
+ static_cast<nsFrameLoader*>(mFrameLoader.get())->CreateStaticClone(fl);
+ }
+
+ return rv;
+}
+
+bool
+nsGenericHTMLFrameElement::IsHTMLFocusable(bool aWithMouse,
+ bool *aIsFocusable,
+ int32_t *aTabIndex)
+{
+ if (nsGenericHTMLElement::IsHTMLFocusable(aWithMouse, aIsFocusable, aTabIndex)) {
+ return true;
+ }
+
+ *aIsFocusable = nsContentUtils::IsSubDocumentTabbable(this);
+
+ if (!*aIsFocusable && aTabIndex) {
+ *aTabIndex = -1;
+ }
+
+ return false;
+}
+
+bool
+nsGenericHTMLFrameElement::BrowserFramesEnabled()
+{
+ static bool sMozBrowserFramesEnabled = false;
+ static bool sBoolVarCacheInitialized = false;
+
+ if (!sBoolVarCacheInitialized) {
+ sBoolVarCacheInitialized = true;
+ Preferences::AddBoolVarCache(&sMozBrowserFramesEnabled,
+ "dom.mozBrowserFramesEnabled");
+ }
+
+ return sMozBrowserFramesEnabled;
+}
+
+/**
+ * Return true if this frame element really is a mozbrowser or mozapp. (It
+ * needs to have the right attributes, and its creator must have the right
+ * permissions.)
+ */
+/* [infallible] */ nsresult
+nsGenericHTMLFrameElement::GetReallyIsBrowserOrApp(bool *aOut)
+{
+ *aOut = false;
+
+ // Fail if browser frames are globally disabled.
+ if (!nsGenericHTMLFrameElement::BrowserFramesEnabled()) {
+ return NS_OK;
+ }
+
+ // Fail if this frame doesn't have the mozbrowser attribute.
+ if (!GetBoolAttr(nsGkAtoms::mozbrowser)) {
+ return NS_OK;
+ }
+
+ // Fail if the node principal isn't trusted.
+ nsIPrincipal *principal = NodePrincipal();
+ nsCOMPtr<nsIPermissionManager> permMgr =
+ services::GetPermissionManager();
+ NS_ENSURE_TRUE(permMgr, NS_OK);
+
+ uint32_t permission = nsIPermissionManager::DENY_ACTION;
+ nsresult rv = permMgr->TestPermissionFromPrincipal(principal, "browser", &permission);
+ NS_ENSURE_SUCCESS(rv, NS_OK);
+ *aOut = permission == nsIPermissionManager::ALLOW_ACTION;
+ return NS_OK;
+}
+
+/* [infallible] */ NS_IMETHODIMP
+nsGenericHTMLFrameElement::GetReallyIsApp(bool *aOut)
+{
+ nsAutoString manifestURL;
+ GetAppManifestURL(manifestURL);
+
+ *aOut = !manifestURL.IsEmpty();
+ return NS_OK;
+}
+
+namespace {
+
+bool NestedEnabled()
+{
+ static bool sMozNestedEnabled = false;
+ static bool sBoolVarCacheInitialized = false;
+
+ if (!sBoolVarCacheInitialized) {
+ sBoolVarCacheInitialized = true;
+ Preferences::AddBoolVarCache(&sMozNestedEnabled,
+ "dom.ipc.tabs.nested.enabled");
+ }
+
+ return sMozNestedEnabled;
+}
+
+} // namespace
+
+/* [infallible] */ NS_IMETHODIMP
+nsGenericHTMLFrameElement::GetIsolated(bool *aOut)
+{
+ *aOut = true;
+
+ if (!nsContentUtils::IsSystemPrincipal(NodePrincipal())) {
+ return NS_OK;
+ }
+
+ // Isolation is only disabled if the attribute is present
+ *aOut = !HasAttr(kNameSpaceID_None, nsGkAtoms::noisolation);
+ return NS_OK;
+}
+
+/*
+ * Get manifest url of app.
+ */
+void nsGenericHTMLFrameElement::GetManifestURL(nsAString& aManifestURL)
+{
+ aManifestURL.Truncate();
+
+ nsAutoString manifestURL;
+ GetAttr(kNameSpaceID_None, nsGkAtoms::mozapp, manifestURL);
+ if (manifestURL.IsEmpty()) {
+ return;
+ }
+
+ // Check permission.
+ nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
+ NS_ENSURE_TRUE_VOID(permMgr);
+ nsIPrincipal *principal = NodePrincipal();
+ const char* aPermissionType = "embed-apps";
+ uint32_t permission = nsIPermissionManager::DENY_ACTION;
+ nsresult rv = permMgr->TestPermissionFromPrincipal(principal,
+ aPermissionType,
+ &permission);
+ NS_ENSURE_SUCCESS_VOID(rv);
+ if (permission != nsIPermissionManager::ALLOW_ACTION) {
+ return;
+ }
+
+ nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
+ NS_ENSURE_TRUE_VOID(appsService);
+
+ nsCOMPtr<mozIApplication> app;
+ appsService->GetAppByManifestURL(manifestURL, getter_AddRefs(app));
+
+ if (!app) {
+ return;
+ }
+
+ aManifestURL.Assign(manifestURL);
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::GetAppManifestURL(nsAString& aOut)
+{
+ aOut.Truncate();
+
+ // At the moment, you can't be an app without being a browser.
+ if (!nsIMozBrowserFrame::GetReallyIsBrowserOrApp()) {
+ return NS_OK;
+ }
+
+ // Only allow content process to embed an app when nested content
+ // process is enabled.
+ if (!XRE_IsParentProcess() &&
+ !(GetBoolAttr(nsGkAtoms::Remote) && NestedEnabled())){
+ NS_WARNING("Can't embed-apps. Embed-apps is restricted to in-proc apps "
+ "or content processes with nested pref enabled, see bug 1097479");
+ return NS_OK;
+ }
+
+ nsAutoString appManifestURL;
+
+ GetManifestURL(appManifestURL);
+
+ bool isApp = !appManifestURL.IsEmpty();
+
+ if (!isApp) {
+ // No valid case to get manifest
+ return NS_OK;
+ }
+
+ if (isApp) {
+ NS_WARNING("Can not simultaneously be mozapp");
+ return NS_OK;
+ }
+
+ nsAutoString manifestURL;
+ if (isApp) {
+ manifestURL.Assign(appManifestURL);
+ }
+
+ aOut.Assign(manifestURL);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::DisallowCreateFrameLoader()
+{
+ MOZ_ASSERT(!mFrameLoader);
+ MOZ_ASSERT(!mFrameLoaderCreationDisallowed);
+ mFrameLoaderCreationDisallowed = true;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::AllowCreateFrameLoader()
+{
+ MOZ_ASSERT(!mFrameLoader);
+ MOZ_ASSERT(mFrameLoaderCreationDisallowed);
+ mFrameLoaderCreationDisallowed = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::InitializeBrowserAPI()
+{
+ MOZ_ASSERT(mFrameLoader);
+ InitBrowserElementAPI();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGenericHTMLFrameElement::DestroyBrowserFrameScripts()
+{
+ MOZ_ASSERT(mFrameLoader);
+ DestroyBrowserElementFrameScripts();
+ return NS_OK;
+}