Add m-esr52 at 52.6.0

1 files changed, 87 insertions, 0 deletions

diff --git a/embedding/components/webbrowserpersist/WebBrowserPersistResourcesParent.cpp b/embedding/components/webbrowserpersist/WebBrowserPersistResourcesParent.cpp
new file mode 100644
index 000000000..195cabb58
--- /dev/null
+++ b/embedding/components/webbrowserpersist/WebBrowserPersistResourcesParent.cpp
@@ -0,0 +1,87 @@
+/* -*- 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()
+{
+}
+
+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>
+            (mVisitor, &nsIWebBrowserPersistResourceVisitor::EndVisit,
+             mDocument, NS_ERROR_FAILURE);
+        NS_DispatchToCurrentThread(errorLater);
+    }
+    mVisitor = nullptr;
+}
+
+bool
+WebBrowserPersistResourcesParent::Recv__delete__(const nsresult& aStatus)
+{
+    mVisitor->EndVisit(mDocument, aStatus);
+    mVisitor = nullptr;
+    return true;
+}
+
+bool
+WebBrowserPersistResourcesParent::RecvVisitResource(const nsCString& aURI)
+{
+    mVisitor->VisitResource(mDocument, aURI);
+    return true;
+}
+
+bool
+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 true;
+}
+
+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