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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/extensions/input_method_event_router.h"
#include <algorithm>
#include "base/json/json_writer.h"
#include "base/values.h"
#include "chrome/browser/chromeos/extensions/input_method_api.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_system.h"
namespace chromeos {
ExtensionInputMethodEventRouter::ExtensionInputMethodEventRouter(
content::BrowserContext* context)
: context_(context) {
input_method::InputMethodManager::Get()->AddObserver(this);
}
ExtensionInputMethodEventRouter::~ExtensionInputMethodEventRouter() {
input_method::InputMethodManager::Get()->RemoveObserver(this);
}
void ExtensionInputMethodEventRouter::InputMethodChanged(
input_method::InputMethodManager* manager,
Profile* profile,
bool show_message) {
// This should probably be CHECK, as delivering event to a wrong
// profile means delivering it to a wrong extension instance.
DCHECK(profile->IsSameProfile(Profile::FromBrowserContext(context_)));
extensions::EventRouter* router = extensions::EventRouter::Get(context_);
if (!router->HasEventListener(
extensions::InputMethodAPI::kOnInputMethodChanged)) {
return;
}
scoped_ptr<base::ListValue> args(new base::ListValue());
base::StringValue* input_method_name =
new base::StringValue(extensions::InputMethodAPI::GetInputMethodForXkb(
manager->GetActiveIMEState()->GetCurrentInputMethod().id()));
args->Append(input_method_name);
// The router will only send the event to extensions that are listening.
scoped_ptr<extensions::Event> event(new extensions::Event(
extensions::events::INPUT_METHOD_PRIVATE_ON_CHANGED,
extensions::InputMethodAPI::kOnInputMethodChanged, args.Pass()));
event->restrict_to_browser_context = context_;
router->BroadcastEvent(event.Pass());
}
} // namespace chromeos
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