gecko-dev/dom/webbrowserpersist/WebBrowserPersistResourcesParent.cpp
2017-06-26 14:19:58 -07:00

89 lines
2.6 KiB
C++

/* -*- 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 "WebBrowserPersistResourcesParent.h"
#include "nsThreadUtils.h"
namespace mozilla {
NS_IMPL_ISUPPORTS(WebBrowserPersistResourcesParent,
nsIWebBrowserPersistDocumentReceiver)
WebBrowserPersistResourcesParent::WebBrowserPersistResourcesParent(
nsIWebBrowserPersistDocument* aDocument,
nsIWebBrowserPersistResourceVisitor* aVisitor)
: mDocument(aDocument)
, mVisitor(aVisitor)
{
MOZ_ASSERT(aDocument);
MOZ_ASSERT(aVisitor);
}
WebBrowserPersistResourcesParent::~WebBrowserPersistResourcesParent() = default;
void
WebBrowserPersistResourcesParent::ActorDestroy(ActorDestroyReason aWhy)
{
if (aWhy != Deletion && mVisitor) {
// See comment in WebBrowserPersistDocumentParent::ActorDestroy
// (or bug 1202887) for why this is deferred.
nsCOMPtr<nsIRunnable> errorLater =
NewRunnableMethod<nsCOMPtr<nsIWebBrowserPersistDocument>, nsresult>(
"nsIWebBrowserPersistResourceVisitor::EndVisit",
mVisitor,
&nsIWebBrowserPersistResourceVisitor::EndVisit,
mDocument,
NS_ERROR_FAILURE);
NS_DispatchToCurrentThread(errorLater);
}
mVisitor = nullptr;
}
mozilla::ipc::IPCResult
WebBrowserPersistResourcesParent::Recv__delete__(const nsresult& aStatus)
{
mVisitor->EndVisit(mDocument, aStatus);
mVisitor = nullptr;
return IPC_OK();
}
mozilla::ipc::IPCResult
WebBrowserPersistResourcesParent::RecvVisitResource(const nsCString& aURI)
{
mVisitor->VisitResource(mDocument, aURI);
return IPC_OK();
}
mozilla::ipc::IPCResult
WebBrowserPersistResourcesParent::RecvVisitDocument(PWebBrowserPersistDocumentParent* aSubDocument)
{
// Don't expose the subdocument to the visitor until it's ready
// (until the actor isn't in START state).
static_cast<WebBrowserPersistDocumentParent*>(aSubDocument)
->SetOnReady(this);
return IPC_OK();
}
NS_IMETHODIMP
WebBrowserPersistResourcesParent::OnDocumentReady(nsIWebBrowserPersistDocument* aSubDocument)
{
if (!mVisitor) {
return NS_ERROR_FAILURE;
}
mVisitor->VisitDocument(mDocument, aSubDocument);
return NS_OK;
}
NS_IMETHODIMP
WebBrowserPersistResourcesParent::OnError(nsresult aFailure)
{
// Nothing useful to do but ignore the failed document.
return NS_OK;
}
} // namespace mozilla