1 files changed, 84 insertions, 0 deletions
diff --git a/comm/mailnews/base/src/MailNewsDLF.cpp b/comm/mailnews/base/src/MailNewsDLF.cpp
new file mode 100644
index 0000000000..8969992414
--- /dev/null
+++ b/comm/mailnews/base/src/MailNewsDLF.cpp
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 2; 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 "nsCOMPtr.h"
+#include "MailNewsDLF.h"
+#include "nsIChannel.h"
+#include "plstr.h"
+#include "nsString.h"
+#include "nsICategoryManager.h"
+#include "nsIServiceManager.h"
+#include "nsIStreamConverterService.h"
+#include "nsIStreamListener.h"
+#include "nsNetCID.h"
+#include "nsMsgUtils.h"
+
+namespace mozilla {
+namespace mailnews {
+NS_IMPL_ISUPPORTS(MailNewsDLF, nsIDocumentLoaderFactory)
+
+MailNewsDLF::MailNewsDLF() {}
+
+MailNewsDLF::~MailNewsDLF() {}
+
+NS_IMETHODIMP
+MailNewsDLF::CreateInstance(const char* aCommand, nsIChannel* aChannel,
+                            nsILoadGroup* aLoadGroup,
+                            const nsACString& aContentType,
+                            nsIDocShell* aContainer, nsISupports* aExtraInfo,
+                            nsIStreamListener** aDocListener,
+                            nsIContentViewer** aDocViewer) {
+  nsresult rv;
+
+  bool viewSource =
+      (PL_strstr(PromiseFlatCString(aContentType).get(), "view-source") != 0);
+
+  aChannel->SetContentType(nsLiteralCString(TEXT_HTML));
+
+  // Get the HTML category
+  nsCOMPtr<nsICategoryManager> catMan(
+      do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsAutoCString contractID;
+  rv = catMan->GetCategoryEntry("Gecko-Content-Viewers", TEXT_HTML, contractID);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIDocumentLoaderFactory> factory(
+      do_GetService(contractID.get(), &rv));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIStreamListener> listener;
+
+  if (viewSource) {
+    rv = factory->CreateInstance(
+        "view-source", aChannel, aLoadGroup,
+        nsLiteralCString(TEXT_HTML "; x-view-type=view-source"), aContainer,
+        aExtraInfo, getter_AddRefs(listener), aDocViewer);
+  } else {
+    rv = factory->CreateInstance(
+        "view", aChannel, aLoadGroup, nsLiteralCString(TEXT_HTML), aContainer,
+        aExtraInfo, getter_AddRefs(listener), aDocViewer);
+  }
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIStreamConverterService> scs(
+      do_GetService(NS_STREAMCONVERTERSERVICE_CONTRACTID, &rv));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return scs->AsyncConvertData(MESSAGE_RFC822, TEXT_HTML, listener, aChannel,
+                               aDocListener);
+}
+
+NS_IMETHODIMP
+MailNewsDLF::CreateInstanceForDocument(nsISupports* aContainer,
+                                       mozilla::dom::Document* aDocument,
+                                       const char* aCommand,
+                                       nsIContentViewer** aDocViewer) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+}  // namespace mailnews
+}  // namespace mozilla