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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 "WebBrowserPersistResourcesChild.h"
#include "WebBrowserPersistDocumentChild.h"
#include "mozilla/dom/ContentChild.h"
namespace mozilla {
NS_IMPL_ISUPPORTS(WebBrowserPersistResourcesChild,
nsIWebBrowserPersistResourceVisitor)
WebBrowserPersistResourcesChild::WebBrowserPersistResourcesChild()
{
}
WebBrowserPersistResourcesChild::~WebBrowserPersistResourcesChild()
{
}
NS_IMETHODIMP
WebBrowserPersistResourcesChild::VisitResource(nsIWebBrowserPersistDocument *aDocument,
const nsACString& aURI)
{
nsCString copiedURI(aURI); // Yay, XPIDL/IPDL mismatch.
SendVisitResource(copiedURI);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserPersistResourcesChild::VisitDocument(nsIWebBrowserPersistDocument* aDocument,
nsIWebBrowserPersistDocument* aSubDocument)
{
auto* subActor = new WebBrowserPersistDocumentChild();
// As a consequence of how PWebBrowserPersistDocumentConstructor
// can be sent by both the parent and the child, we must pass the
// aBrowser and outerWindowID arguments here, but the values are
// ignored by the parent. In particular, the TabChild in which
// persistence started does not necessarily exist at this point;
// see bug 1203602.
if (!Manager()->Manager()
->SendPWebBrowserPersistDocumentConstructor(subActor, nullptr, 0)) {
// NOTE: subActor is freed at this point.
return NS_ERROR_FAILURE;
}
// ...but here, IPC won't free subActor until after this returns
// to the event loop.
// The order of these two messages will be preserved, because
// they're the same toplevel protocol and priority.
//
// With this ordering, it's always the transition out of START
// state that causes a document's parent actor to be exposed to
// XPCOM (for both parent->child and child->parent construction),
// which simplifies the lifetime management.
SendVisitDocument(subActor);
subActor->Start(aSubDocument);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserPersistResourcesChild::EndVisit(nsIWebBrowserPersistDocument *aDocument,
nsresult aStatus)
{
Send__delete__(this, aStatus);
return NS_OK;
}
} // namespace mozilla
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