import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

image/decoders/icon/nsIconProtocolHandler.cpp

@@ -0,0 +1,126 @@
+/* -*- 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 "nsIconProtocolHandler.h"
+
+#include "nsIconChannel.h"
+#include "nsIconURI.h"
+#include "nsIURL.h"
+#include "nsCRT.h"
+#include "nsCOMPtr.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsNetCID.h"
+
+///////////////////////////////////////////////////////////////////////////////
+
+nsIconProtocolHandler::nsIconProtocolHandler()
+{ }
+
+nsIconProtocolHandler::~nsIconProtocolHandler()
+{ }
+
+NS_IMPL_ISUPPORTS(nsIconProtocolHandler, nsIProtocolHandler,
+                  nsISupportsWeakReference)
+
+
+///////////////////////////////////////////////////////////////////////////////
+// nsIProtocolHandler methods:
+
+NS_IMETHODIMP
+nsIconProtocolHandler::GetScheme(nsACString& result)
+{
+  result = "moz-icon";
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::GetDefaultPort(int32_t* result)
+{
+  *result = 0;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::AllowPort(int32_t port,
+                                 const char* scheme,
+                                 bool* _retval)
+{
+    // don't override anything.
+    *_retval = false;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::GetProtocolFlags(uint32_t* result)
+{
+  *result = URI_NORELATIVE | URI_NOAUTH | URI_IS_UI_RESOURCE |
+            URI_IS_LOCAL_RESOURCE;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::NewURI(const nsACString& aSpec,
+                              const char* aOriginCharset, // ignored
+                              nsIURI* aBaseURI,
+                              nsIURI** result)
+{
+  nsCOMPtr<nsIMozIconURI> uri = new nsMozIconURI();
+  if (!uri) return NS_ERROR_OUT_OF_MEMORY;
+
+  nsresult rv = uri->SetSpec(aSpec);
+  if (NS_FAILED(rv)) return rv;
+
+  nsCOMPtr<nsIURL> iconURL;
+  uri->GetIconURL(getter_AddRefs(iconURL));
+  if (iconURL) {
+    uri = new nsNestedMozIconURI();
+    rv = uri->SetSpec(aSpec);
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
+  }
+
+  NS_ADDREF(*result = uri);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::NewChannel2(nsIURI* url,
+                                   nsILoadInfo* aLoadInfo,
+                                   nsIChannel** result)
+{
+  NS_ENSURE_ARG_POINTER(url);
+  nsIconChannel* channel = new nsIconChannel;
+  if (!channel) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  NS_ADDREF(channel);
+
+  nsresult rv = channel->Init(url);
+  if (NS_FAILED(rv)) {
+    NS_RELEASE(channel);
+    return rv;
+  }
+
+  // set the loadInfo on the new channel
+  rv = channel->SetLoadInfo(aLoadInfo);
+  if (NS_FAILED(rv)) {
+    NS_RELEASE(channel);
+    return rv;
+  }
+
+  *result = channel;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsIconProtocolHandler::NewChannel(nsIURI* url, nsIChannel** result)
+{
+  return NewChannel2(url, nullptr, result);
+}
+
+////////////////////////////////////////////////////////////////////////////////