From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- dom/xul/XULFrameElement.cpp | 200 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100644 dom/xul/XULFrameElement.cpp (limited to 'dom/xul/XULFrameElement.cpp') diff --git a/dom/xul/XULFrameElement.cpp b/dom/xul/XULFrameElement.cpp new file mode 100644 index 0000000000..efbeb15829 --- /dev/null +++ b/dom/xul/XULFrameElement.cpp @@ -0,0 +1,200 @@ +/* -*- 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::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(mOpenWindowInfo) +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(mOpenWindowInfo) +NS_IMPL_CYCLE_COLLECTION_UNLINK_END + +NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(XULFrameElement, nsXULElement, + nsFrameLoaderOwner) + +JSObject* XULFrameElement::WrapNode(JSContext* aCx, + JS::Handle aGivenProto) { + return XULFrameElement_Binding::Wrap(aCx, this, aGivenProto); +} + +nsDocShell* XULFrameElement::GetDocShell() { + RefPtr frameLoader = GetFrameLoader(); + return frameLoader ? frameLoader->GetDocShell(IgnoreErrors()) : nullptr; +} + +already_AddRefed XULFrameElement::GetWebNavigation() { + nsCOMPtr docShell = GetDocShell(); + nsCOMPtr webnav = do_QueryInterface(docShell); + return webnav.forget(); +} + +Nullable XULFrameElement::GetContentWindow() { + RefPtr docShell = GetDocShell(); + if (docShell) { + return docShell->GetWindowProxy(); + } + + return nullptr; +} + +Document* XULFrameElement::GetContentDocument() { + nsCOMPtr docShell = GetDocShell(); + if (docShell) { + nsCOMPtr win = docShell->GetWindow(); + if (win) { + return win->GetDoc(); + } + } + return nullptr; +} + +uint64_t XULFrameElement::BrowserId() { + if (mFrameLoader) { + if (auto* bc = mFrameLoader->GetExtantBrowsingContext()) { + return bc->GetBrowserId(); + } + } + return 0; +} + +nsIOpenWindowInfo* XULFrameElement::GetOpenWindowInfo() const { + return mOpenWindowInfo; +} + +void XULFrameElement::SetOpenWindowInfo(nsIOpenWindowInfo* aInfo) { + mOpenWindowInfo = aInfo; +} + +void XULFrameElement::LoadSrc() { + if (!IsInUncomposedDoc() || !OwnerDoc()->GetRootElement()) { + return; + } + RefPtr frameLoader = GetFrameLoader(); + if (!frameLoader) { + // We may have had a nsIOpenWindowInfo set on us 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 openWindowInfo = mOpenWindowInfo.forget(); + + // 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; + } + + AsyncEventDispatcher::RunDOMEventWhenSafe( + *this, u"XULFrameLoaderCreated"_ns, CanBubble::eYes); + } + + 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 doc = GetComposedDoc()) { + // SwapWithOtherLoader relies on frames being up-to-date. + doc->FlushPendingNotifications(FlushType::Frames); + } + + RefPtr loader = GetFrameLoader(); + RefPtr 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) { + if (RefPtr frameLoader = GetFrameLoader()) { + frameLoader->Destroy(); + } + mFrameLoader = nullptr; + + nsXULElement::UnbindFromTree(aNullParent); +} + +void XULFrameElement::DestroyContent() { + RefPtr frameLoader = GetFrameLoader(); + if (frameLoader) { + frameLoader->Destroy(); + } + mFrameLoader = nullptr; + + nsXULElement::DestroyContent(); +} + +void 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()) { + MOZ_ALWAYS_SUCCEEDS(bc->SetFullscreenAllowedByOwner(!aValue)); + } + } + } + + return nsXULElement::AfterSetAttr(aNamespaceID, aName, aValue, aOldValue, + aSubjectPrincipal, aNotify); +} + +} // namespace mozilla::dom -- cgit v1.2.3