import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/protocol/about/nsAboutBlank.cpp

@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 2; 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 "nsAboutBlank.h"
+#include "nsStringStream.h"
+#include "nsNetUtil.h"
+#include "nsContentUtils.h"
+
+NS_IMPL_ISUPPORTS(nsAboutBlank, nsIAboutModule)
+
+NS_IMETHODIMP
+nsAboutBlank::NewChannel(nsIURI* aURI,
+                         nsILoadInfo* aLoadInfo,
+                         nsIChannel** result)
+{
+    NS_ENSURE_ARG_POINTER(aURI);
+
+    nsCOMPtr<nsIInputStream> in;
+    nsresult rv = NS_NewCStringInputStream(getter_AddRefs(in), EmptyCString());
+    if (NS_FAILED(rv)) return rv;
+
+    nsCOMPtr<nsIChannel> channel;
+    rv = NS_NewInputStreamChannelInternal(getter_AddRefs(channel),
+                                          aURI,
+                                          in,
+                                          NS_LITERAL_CSTRING("text/html"),
+                                          NS_LITERAL_CSTRING("utf-8"),
+                                          aLoadInfo);
+    if (NS_FAILED(rv)) return rv;
+
+    channel.forget(result);
+    return rv;
+}
+
+NS_IMETHODIMP
+nsAboutBlank::GetURIFlags(nsIURI *aURI, uint32_t *result)
+{
+    *result = nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+              nsIAboutModule::URI_CAN_LOAD_IN_CHILD |
+              nsIAboutModule::MAKE_LINKABLE |
+              nsIAboutModule::HIDE_FROM_ABOUTABOUT;
+    return NS_OK;
+}
+
+nsresult
+nsAboutBlank::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
+{
+    nsAboutBlank* about = new nsAboutBlank();
+    if (about == nullptr)
+        return NS_ERROR_OUT_OF_MEMORY;
+    NS_ADDREF(about);
+    nsresult rv = about->QueryInterface(aIID, aResult);
+    NS_RELEASE(about);
+    return rv;
+}
+
+////////////////////////////////////////////////////////////////////////////////