Extension half of the proxy error event

chrome/browser/extensions/extension_proxy_api.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_proxy_api.h"
 
 #include "base/base64.h"
+#include "base/json/json_writer.h"
 #include "base/string_util.h"
 #include "base/string_tokenizer.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/extensions/extension_io_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/common/extensions/extension_error_utils.h"
 #include "chrome/common/pref_names.h"
+#include "net/base/net_errors.h"
 #include "net/proxy/proxy_config.h"
 
 namespace {
 
 // The scheme for which to use a manually specified proxy, not of the proxy URI
 // itself.
 enum {
   SCHEME_ALL = 0,
   SCHEME_HTTP,
   SCHEME_HTTPS,
@@ skipping 23 matching lines @@
 const char kProxyCfgMode[] = "mode";
 const char kProxyCfgPacScript[] = "pacScript";
 const char kProxyCfgPacScriptUrl[] = "url";
 const char kProxyCfgPacScriptData[] = "data";
 const char kProxyCfgRules[] = "rules";
 const char kProxyCfgRuleHost[] = "host";
 const char kProxyCfgRulePort[] = "port";
 const char kProxyCfgBypassList[] = "bypassList";
 const char kProxyCfgScheme[] = "scheme";
 
+const char kProxyEventFatal[] = "fatal";
+const char kProxyEventError[] = "error";
+const char kProxyEventDetails[] = "details";
+const char kProxyEventOnProxyError[] = "experimental.proxy.onProxyError";
+
+
 const char kPACDataUrlPrefix[] =
     "data:application/x-ns-proxy-autoconfig;base64,";
 
 COMPILE_ASSERT(SCHEME_MAX == SCHEME_FALLBACK,
                SCHEME_MAX_must_equal_SCHEME_FALLBACK);
 COMPILE_ASSERT(arraysize(field_name) == SCHEME_MAX + 1,
                field_name_array_is_wrong_size);
 COMPILE_ASSERT(arraysize(scheme_name) == SCHEME_MAX + 1,
                scheme_name_array_is_wrong_size);
 COMPILE_ASSERT(SCHEME_ALL == 0, singleProxy_must_be_first_option);
@@ skipping 24 matching lines @@
   if (pac_script_url_base64_encoded.find(kPACDataUrlPrefix) != 0) {
     return false;
   }
   std::string pac_script_base64_encoded =
       pac_script_url_base64_encoded.substr(strlen(kPACDataUrlPrefix));
   return base::Base64Decode(pac_script_base64_encoded, pac_script);
 }
 
 }  // namespace
 
+// static
+ExtensionProxyEventRouter* ExtensionProxyEventRouter::GetInstance() {
+  return Singleton<ExtensionProxyEventRouter>::get();
+}
+
+ExtensionProxyEventRouter::ExtensionProxyEventRouter() {
+}
+
+ExtensionProxyEventRouter::~ExtensionProxyEventRouter() {
+}
+
+void ExtensionProxyEventRouter::OnProxyError(
+    const ExtensionIOEventRouter* event_router,
+    int error_code) {
+  ListValue args;
+  DictionaryValue* dict = new DictionaryValue();
+  dict->SetBoolean(kProxyEventFatal, true);
+  dict->SetString(kProxyEventError, net::ErrorToString(error_code));
+  dict->SetString(kProxyEventDetails, "");
+  args.Append(dict);
+
+  std::string json_args;
+  base::JSONWriter::Write(&args, false, &json_args);
+  event_router->DispatchEventToRenderers(
+      kProxyEventOnProxyError, json_args, GURL());
+}
+
 bool UseCustomProxySettingsFunction::GetProxyServer(
     const DictionaryValue* dict,
     net::ProxyServer::Scheme default_scheme,
     net::ProxyServer* proxy_server) {
   std::string scheme_string;  // optional.
   // We can safely assume that this is ASCII due to the allowed enumeration
   // values specified in extension_api.json.
   dict->GetStringASCII(kProxyCfgScheme, &scheme_string);
 
   net::ProxyServer::Scheme scheme =
@@ skipping 431 matching lines @@
       break;
     case net::ProxyServer::SCHEME_DIRECT:
     case net::ProxyServer::SCHEME_INVALID:
       NOTREACHED();
       return out;
   }
   out->SetString(kProxyCfgRuleHost, proxy.host_port_pair().host());
   out->SetInteger(kProxyCfgRulePort, proxy.host_port_pair().port());
   return out;
 }