forked from mirrors/gecko-dev
d57d4905f1
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D30883 --HG-- extra : moz-landing-system : lando
97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/* -*- 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 "nsFrameLoaderOwner.h"
|
|
#include "nsFrameLoader.h"
|
|
#include "nsFocusManager.h"
|
|
#include "nsSubDocumentFrame.h"
|
|
#include "nsQueryObject.h"
|
|
#include "mozilla/AsyncEventDispatcher.h"
|
|
#include "mozilla/dom/BrowsingContext.h"
|
|
#include "mozilla/dom/FrameLoaderBinding.h"
|
|
#include "mozilla/dom/MozFrameLoaderOwnerBinding.h"
|
|
|
|
already_AddRefed<nsFrameLoader> nsFrameLoaderOwner::GetFrameLoader() {
|
|
return do_AddRef(mFrameLoader);
|
|
}
|
|
|
|
void nsFrameLoaderOwner::SetFrameLoader(nsFrameLoader* aNewFrameLoader) {
|
|
mFrameLoader = aNewFrameLoader;
|
|
}
|
|
|
|
already_AddRefed<mozilla::dom::BrowsingContext>
|
|
nsFrameLoaderOwner::GetBrowsingContext() {
|
|
if (mFrameLoader) {
|
|
return mFrameLoader->GetBrowsingContext();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void nsFrameLoaderOwner::ChangeRemoteness(
|
|
const mozilla::dom::RemotenessOptions& aOptions, mozilla::ErrorResult& rv) {
|
|
RefPtr<mozilla::dom::BrowsingContext> bc;
|
|
|
|
// If we already have a Frameloader, destroy it, possibly preserving its
|
|
// browsing context.
|
|
if (mFrameLoader) {
|
|
// Don't preserve contexts if this is a chrome (parent process) window that
|
|
// is changing from remote to local.
|
|
bool isChromeRemoteToLocal =
|
|
XRE_IsParentProcess() && (!aOptions.mRemoteType.WasPassed() ||
|
|
aOptions.mRemoteType.Value().IsVoid());
|
|
|
|
// If this is a process switch due to a difference in Cross Origin Opener
|
|
// Policy, do not preserve the browsing context. Otherwise, save off the
|
|
// browsing context and use it when creating our new FrameLoader.
|
|
if (!aOptions.mReplaceBrowsingContext && !isChromeRemoteToLocal &&
|
|
mozilla::Preferences::GetBool("fission.preserve_browsing_contexts",
|
|
false)) {
|
|
bc = mFrameLoader->GetBrowsingContext();
|
|
mFrameLoader->SkipBrowsingContextDetach();
|
|
}
|
|
|
|
mFrameLoader->Destroy();
|
|
mFrameLoader = nullptr;
|
|
}
|
|
|
|
// In this case, we're not reparenting a frameloader, we're just destroying
|
|
// our current one and creating a new one, so we can use ourselves as the
|
|
// owner.
|
|
RefPtr<Element> owner = do_QueryObject(this);
|
|
MOZ_ASSERT(owner);
|
|
mFrameLoader = nsFrameLoader::Create(owner, bc, aOptions);
|
|
|
|
if (NS_WARN_IF(!mFrameLoader)) {
|
|
return;
|
|
}
|
|
|
|
if (aOptions.mPendingSwitchID.WasPassed()) {
|
|
mFrameLoader->ResumeLoad(aOptions.mPendingSwitchID.Value());
|
|
} else {
|
|
mFrameLoader->LoadFrame(false);
|
|
}
|
|
|
|
// Now that we've got a new FrameLoader, we need to reset our
|
|
// nsSubDocumentFrame to use the new FrameLoader.
|
|
if (nsSubDocumentFrame* ourFrame = do_QueryFrame(owner->GetPrimaryFrame())) {
|
|
ourFrame->ResetFrameLoader();
|
|
}
|
|
|
|
if (nsFocusManager* fm = nsFocusManager::GetFocusManager()) {
|
|
if (fm->GetFocusedElement() == owner) {
|
|
fm->ActivateRemoteFrameIfNeeded(*owner);
|
|
}
|
|
}
|
|
|
|
// Assuming this element is a XULFrameElement, once we've reset our
|
|
// FrameLoader, fire an event to act like we've recreated ourselves, similar
|
|
// to what XULFrameElement does after rebinding to the tree.
|
|
// ChromeOnlyDispatch is turns on to make sure this isn't fired into content.
|
|
(new mozilla::AsyncEventDispatcher(
|
|
owner, NS_LITERAL_STRING("XULFrameLoaderCreated"),
|
|
mozilla::CanBubble::eYes, mozilla::ChromeOnlyDispatch::eYes))
|
|
->RunDOMEventWhenSafe();
|
|
}
|