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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 <utility>
#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 "chrome/common/extensions/api/input_method_private.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_system.h"
namespace OnChanged = extensions::api::input_method_private::OnChanged;
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(OnChanged::kEventName))
return;
std::unique_ptr<base::ListValue> args(new base::ListValue());
args->AppendString(
manager->GetActiveIMEState()->GetCurrentInputMethod().id());
// The router will only send the event to extensions that are listening.
std::unique_ptr<extensions::Event> event(
new extensions::Event(extensions::events::INPUT_METHOD_PRIVATE_ON_CHANGED,
OnChanged::kEventName, std::move(args)));
event->restrict_to_browser_context = context_;
router->BroadcastEvent(std::move(event));
}
} // namespace chromeos
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