src/extensions/utility/utility_handler.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "extensions/utility/utility_handler.h"
   6
   7 #include "base/command_line.h"
   8 #include "content/public/utility/utility_thread.h"
   9 #include "extensions/common/extension.h"
  10 #include "extensions/common/extension_l10n_util.h"
  11 #include "extensions/common/extension_utility_messages.h"
  12 #include "extensions/common/update_manifest.h"
  13 #include "ipc/ipc_message.h"
  14 #include "ipc/ipc_message_macros.h"
  15 #include "ui/base/ui_base_switches.h"
  16
  17 namespace extensions {
  18
  19 namespace {
  20
  21 bool Send(IPC::Message* message) {
  22   return content::UtilityThread::Get()->Send(message);
  23 }
  24
  25 void ReleaseProcessIfNeeded() {
  26   content::UtilityThread::Get()->ReleaseProcessIfNeeded();
  27 }
  28
  29 }  // namespace
  30
  31 UtilityHandler::UtilityHandler() {
  32 }
  33
  34 UtilityHandler::~UtilityHandler() {
  35 }
  36
  37 // static
  38 void UtilityHandler::UtilityThreadStarted() {
  39   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  40   std::string lang = command_line->GetSwitchValueASCII(switches::kLang);
  41   if (!lang.empty())
  42     extension_l10n_util::SetProcessLocale(lang);
  43 }
  44
  45 bool UtilityHandler::OnMessageReceived(const IPC::Message& message) {
  46   bool handled = true;
  47   IPC_BEGIN_MESSAGE_MAP(UtilityHandler, message)
  48     IPC_MESSAGE_HANDLER(ExtensionUtilityMsg_ParseUpdateManifest,
  49                         OnParseUpdateManifest)
  50     IPC_MESSAGE_UNHANDLED(handled = false)
  51   IPC_END_MESSAGE_MAP()
  52   return handled;
  53 }
  54
  55 void UtilityHandler::OnParseUpdateManifest(const std::string& xml) {
  56   UpdateManifest manifest;
  57   if (!manifest.Parse(xml)) {
  58     Send(new ExtensionUtilityHostMsg_ParseUpdateManifest_Failed(
  59         manifest.errors()));
  60   } else {
  61     Send(new ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded(
  62         manifest.results()));
  63   }
  64   ReleaseProcessIfNeeded();
  65 }
  66
  67 }  // namespace extensions