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/extension_system.h" 14 #include "content/public/browser/browser_context.h" 15 #include "extensions/browser/event_router.h" 16 17 namespace chromeos { 18 19 ExtensionInputMethodEventRouter::ExtensionInputMethodEventRouter( 20 content::BrowserContext* context) 21 : context_(context) { 22 input_method::InputMethodManager::Get()->AddObserver(this); 23 } 24 25 ExtensionInputMethodEventRouter::~ExtensionInputMethodEventRouter() { 26 input_method::InputMethodManager::Get()->RemoveObserver(this); 27 } 28 29 void ExtensionInputMethodEventRouter::InputMethodChanged( 30 input_method::InputMethodManager *manager, 31 bool show_message) { 32 extensions::EventRouter *router = 33 extensions::ExtensionSystem::GetForBrowserContext(context_)-> 34 event_router(); 35 36 if (!router->HasEventListener(extensions::event_names::kOnInputMethodChanged)) 37 return; 38 39 scoped_ptr<ListValue> args(new ListValue()); 40 StringValue *input_method_name = new StringValue( 41 extensions::InputMethodAPI::GetInputMethodForXkb( 42 manager->GetCurrentInputMethod().id())); 43 args->Append(input_method_name); 44 45 // The router will only send the event to extensions that are listening. 46 scoped_ptr<extensions::Event> event(new extensions::Event( 47 extensions::event_names::kOnInputMethodChanged, args.Pass())); 48 event->restrict_to_browser_context = context_; 49 router->BroadcastEvent(event.Pass()); 50 } 51 52 } // namespace chromeos 53
