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// Copyright (c) 2011 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/status/caps_lock_menu_button.h"
#include <string>
#include "chrome/browser/chromeos/input_method/xkeyboard.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
// Returns PrefService object associated with |host|.
PrefService* GetPrefService(chromeos::StatusAreaHost* host) {
if (host->GetProfile())
return host->GetProfile()->GetPrefs();
return NULL;
}
} // namespace
namespace chromeos {
////////////////////////////////////////////////////////////////////////////////
// CapsLockMenuButton
CapsLockMenuButton::CapsLockMenuButton(StatusAreaHost* host)
: StatusAreaButton(host, this),
prefs_(GetPrefService(host)) {
if (prefs_)
remap_search_key_to_.Init(
prefs::kLanguageXkbRemapSearchKeyTo, prefs_, this);
SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_STATUSBAR_CAPS_LOCK));
UpdateTooltip();
UpdateUIFromCurrentCapsLock(input_method::CapsLockIsEnabled());
SystemKeyEventListener::GetInstance()->AddCapsLockObserver(this);
}
CapsLockMenuButton::~CapsLockMenuButton() {
SystemKeyEventListener::GetInstance()->RemoveCapsLockObserver(this);
}
////////////////////////////////////////////////////////////////////////////////
// views::View implementation:
void CapsLockMenuButton::OnLocaleChanged() {
UpdateUIFromCurrentCapsLock(input_method::CapsLockIsEnabled());
}
////////////////////////////////////////////////////////////////////////////////
// views::ViewMenuDelegate implementation:
void CapsLockMenuButton::RunMenu(views::View* unused_source,
const gfx::Point& pt) {
// This button is just an indicator, and therefore does not have a menu.
}
////////////////////////////////////////////////////////////////////////////////
// SystemKeyEventListener::CapsLockObserver implementation
void CapsLockMenuButton::OnCapsLockChange(bool enabled) {
UpdateUIFromCurrentCapsLock(enabled);
}
////////////////////////////////////////////////////////////////////////////////
// NotificationObserver implementation
void CapsLockMenuButton::Observe(int type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == chrome::NOTIFICATION_PREF_CHANGED)
UpdateTooltip();
}
void CapsLockMenuButton::UpdateTooltip() {
int id = IDS_STATUSBAR_CAPS_LOCK_ENABLED;
if (prefs_ && (remap_search_key_to_.GetValue() == input_method::kCapsLockKey))
id = IDS_STATUSBAR_CAPS_LOCK_ENABLED_PRESS_SEARCH;
SetTooltipText(UTF16ToWide(l10n_util::GetStringUTF16(id)));
SetAccessibleName(l10n_util::GetStringUTF16(id));
}
void CapsLockMenuButton::UpdateUIFromCurrentCapsLock(bool enabled) {
SetVisible(enabled);
}
} // namespace chromeos
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