firefox/dom/webbrowserpersist/WebBrowserPersistResourcesP...

95 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/CanonicalBrowsingContext.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/WindowGlobalParent.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, const nsContentPolicyType& aContentPolicyType) {
mVisitor->VisitResource(mDocument, aURI, aContentPolicyType);
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();
}
mozilla::ipc::IPCResult
WebBrowserPersistResourcesParent::RecvVisitBrowsingContext(
const dom::MaybeDiscarded<dom::BrowsingContext>& aContext) {
if (aContext.IsNullOrDiscarded()) {
// Nothing useful to do but ignore the discarded context.
return IPC_OK();
}
mVisitor->VisitBrowsingContext(mDocument, aContext.get());
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