1 // Copyright (c) 2012 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 "input_method_event_router.h" 6 7 #include <algorithm> 8 9 #include "base/json/json_writer.h" 10 #include "base/values.h" 11 #include "chrome/browser/chromeos/extensions/input_method_api.h" 12 #include "chrome/browser/extensions/event_names.h" 13 #include "chrome/browser/extensions/event_router.h" 14 #include "chrome/browser/extensions/extension_system.h" 15 #include "chrome/browser/profiles/profile_manager.h" 16 #include "chrome/browser/profiles/profile.h" 17 18 namespace chromeos { 19 20 ExtensionInputMethodEventRouter::ExtensionInputMethodEventRouter() { 21 input_method::InputMethodManager::Get()->AddObserver(this); 22 } 23 24 ExtensionInputMethodEventRouter::~ExtensionInputMethodEventRouter() { 25 input_method::InputMethodManager::Get()->RemoveObserver(this); 26 } 27 28 void ExtensionInputMethodEventRouter::InputMethodChanged( 29 input_method::InputMethodManager *manager, 30 bool show_message) { 31 Profile *profile = ProfileManager::GetDefaultProfile(); 32 extensions::EventRouter *router = 33 extensions::ExtensionSystem::Get(profile)->event_router(); 34 35 if (!router->HasEventListener(extensions::event_names::kOnInputMethodChanged)) 36 return; 37 38 scoped_ptr<ListValue> args(new ListValue()); 39 StringValue *input_method_name = new StringValue( 40 extensions::InputMethodAPI::GetInputMethodForXkb( 41 manager->GetCurrentInputMethod().id())); 42 args->Append(input_method_name); 43 44 // The router will only send the event to extensions that are listening. 45 scoped_ptr<extensions::Event> event(new extensions::Event( 46 extensions::event_names::kOnInputMethodChanged, args.Pass())); 47 event->restrict_to_profile = profile; 48 extensions::ExtensionSystem::Get(profile)->event_router()-> 49 BroadcastEvent(event.Pass()); 50 } 51 52 } // namespace chromeos 53