1 files changed, 95 insertions, 0 deletions
diff --git a/dom/webbrowserpersist/WebBrowserPersistResourcesParent.cpp b/dom/webbrowserpersist/WebBrowserPersistResourcesParent.cpp
new file mode 100644
index 0000000000..888e79fcd7
--- /dev/null
+++ b/dom/webbrowserpersist/WebBrowserPersistResourcesParent.cpp
@@ -0,0 +1,95 @@
+/* -*- 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 nsACString& aURI, const nsContentPolicyType& aContentPolicyType) {
+  mVisitor->VisitResource(mDocument, aURI, aContentPolicyType);
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult WebBrowserPersistResourcesParent::RecvVisitDocument(
+    NotNull<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.get())
+      ->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