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 "content/public/browser/browser_context.h" 13 #include "extensions/browser/event_router.h" 14 #include "extensions/browser/extension_system.h" 15 16 namespace chromeos { 17 18 ExtensionInputMethodEventRouter::ExtensionInputMethodEventRouter( 19 content::BrowserContext* context) 20 : context_(context) { 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 extensions::EventRouter* router = extensions::EventRouter::Get(context_); 32 33 if (!router->HasEventListener( 34 extensions::InputMethodAPI::kOnInputMethodChanged)) { 35 return; 36 } 37 38 scoped_ptr<base::ListValue> args(new base::ListValue()); 39 base::StringValue *input_method_name = new base::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::InputMethodAPI::kOnInputMethodChanged, args.Pass())); 47 event->restrict_to_browser_context = context_; 48 router->BroadcastEvent(event.Pass()); 49 } 50 51 } // namespace chromeos 52
