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.
5 #include "input_method_event_router.h"
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 "content/public/browser/browser_context.h"
14 #include "extensions/browser/event_router.h"
15 #include "extensions/browser/extension_system.h"
19 ExtensionInputMethodEventRouter::ExtensionInputMethodEventRouter(
20 content::BrowserContext* context)
22 input_method::InputMethodManager::Get()->AddObserver(this);
25 ExtensionInputMethodEventRouter::~ExtensionInputMethodEventRouter() {
26 input_method::InputMethodManager::Get()->RemoveObserver(this);
29 void ExtensionInputMethodEventRouter::InputMethodChanged(
30 input_method::InputMethodManager *manager,
32 extensions::EventRouter *router =
33 extensions::ExtensionSystem::Get(context_)->event_router();
35 if (!router->HasEventListener(extensions::event_names::kOnInputMethodChanged))
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);
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_browser_context = context_;
48 router->BroadcastEvent(event.Pass());
51 } // namespace chromeos