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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 "nsCOMPtr.h"
#include "nsIBrowser.h"
#include "nsIContent.h"
#include "nsIOpenWindowInfo.h"
#include "nsFrameLoader.h"
#include "mozilla/AsyncEventDispatcher.h"
#include "mozilla/dom/HTMLIFrameElement.h"
#include "mozilla/dom/WindowProxyHolder.h"
#include "mozilla/dom/XULFrameElement.h"
#include "mozilla/dom/XULFrameElementBinding.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(XULFrameElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(XULFrameElement, nsXULElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFrameLoader);
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(XULFrameElement, nsXULElement)
if (tmp->mFrameLoader) {
tmp->mFrameLoader->Destroy();
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(XULFrameElement, nsXULElement,
nsFrameLoaderOwner)
JSObject* XULFrameElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return XULFrameElement_Binding::Wrap(aCx, this, aGivenProto);
}
nsDocShell* XULFrameElement::GetDocShell() {
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
return frameLoader ? frameLoader->GetDocShell(IgnoreErrors()) : nullptr;
}
already_AddRefed<nsIWebNavigation> XULFrameElement::GetWebNavigation() {
nsCOMPtr<nsIDocShell> docShell = GetDocShell();
nsCOMPtr<nsIWebNavigation> webnav = do_QueryInterface(docShell);
return webnav.forget();
}
Nullable<WindowProxyHolder> XULFrameElement::GetContentWindow() {
RefPtr<nsDocShell> docShell = GetDocShell();
if (docShell) {
return docShell->GetWindowProxy();
}
return nullptr;
}
Document* XULFrameElement::GetContentDocument() {
nsCOMPtr<nsIDocShell> docShell = GetDocShell();
if (docShell) {
nsCOMPtr<nsPIDOMWindowOuter> win = docShell->GetWindow();
if (win) {
return win->GetDoc();
}
}
return nullptr;
}
uint64_t XULFrameElement::BrowserId() {
if (auto* bc = mFrameLoader->GetExtantBrowsingContext()) {
return bc->GetBrowserId();
}
return 0;
}
void XULFrameElement::LoadSrc() {
if (!IsInUncomposedDoc() || !OwnerDoc()->GetRootElement()) {
return;
}
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
// We may have had a nsIOpenWindowInfo set on our nsIBrowser by browser
// chrome, due to being used as the target for a `window.open` call. Fetch
// that information if it's available, and clear it out so we don't read it
// again.
nsCOMPtr<nsIOpenWindowInfo> openWindowInfo;
if (nsCOMPtr<nsIBrowser> browser = AsBrowser()) {
browser->GetOpenWindowInfo(getter_AddRefs(openWindowInfo));
browser->SetOpenWindowInfo(nullptr);
}
// false as the networkCreated parameter so that xul:iframe/browser/editor
// session history handling works like dynamic html:iframes. Usually xul
// elements are used in chrome, which doesn't have session history at all.
mFrameLoader = nsFrameLoader::Create(this, false, openWindowInfo);
if (NS_WARN_IF(!mFrameLoader)) {
return;
}
(new AsyncEventDispatcher(this, u"XULFrameLoaderCreated"_ns,
CanBubble::eYes))
->RunDOMEventWhenSafe();
}
mFrameLoader->LoadFrame(false);
}
void XULFrameElement::SwapFrameLoaders(HTMLIFrameElement& aOtherLoaderOwner,
ErrorResult& rv) {
aOtherLoaderOwner.SwapFrameLoaders(this, rv);
}
void XULFrameElement::SwapFrameLoaders(XULFrameElement& aOtherLoaderOwner,
ErrorResult& rv) {
if (&aOtherLoaderOwner == this) {
// nothing to do
return;
}
aOtherLoaderOwner.SwapFrameLoaders(this, rv);
}
void XULFrameElement::SwapFrameLoaders(nsFrameLoaderOwner* aOtherLoaderOwner,
mozilla::ErrorResult& rv) {
if (RefPtr<Document> doc = GetComposedDoc()) {
// SwapWithOtherLoader relies on frames being up-to-date.
doc->FlushPendingNotifications(FlushType::Frames);
}
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);
}
nsresult XULFrameElement::BindToTree(BindContext& aContext, nsINode& aParent) {
nsresult rv = nsXULElement::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
if (IsInUncomposedDoc()) {
NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
"Missing a script blocker!");
// We're in a document now. Kick off the frame load.
LoadSrc();
}
return NS_OK;
}
void XULFrameElement::UnbindFromTree(bool aNullParent) {
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader) {
frameLoader->Destroy();
}
mFrameLoader = nullptr;
nsXULElement::UnbindFromTree(aNullParent);
}
void XULFrameElement::DestroyContent() {
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader) {
frameLoader->Destroy();
}
mFrameLoader = nullptr;
nsXULElement::DestroyContent();
}
nsresult XULFrameElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) {
if (aNamespaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::src && aValue) {
LoadSrc();
} else if (aName == nsGkAtoms::disablefullscreen && mFrameLoader) {
if (auto* bc = mFrameLoader->GetExtantBrowsingContext()) {
bc->SetFullscreenAllowedByOwner(!aValue);
}
}
}
return nsXULElement::AfterSetAttr(aNamespaceID, aName, aValue, aOldValue,
aSubjectPrincipal, aNotify);
}
} // namespace dom
} // namespace mozilla