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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 "ash/system/logout_button/tray_logout_button.h"
#include <cstddef>
#include "ash/shell.h"
#include "ash/system/tray/system_tray_delegate.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/tray/tray_constants.h"
#include "ash/system/user/login_status.h"
#include "base/logging.h"
#include "base/string16.h"
#include "grit/ash_resources.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/views/border.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/custom_button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/label_button_border.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view.h"
namespace {
const int kLogoutButtonNormalImages[] = {
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_TOP_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_CENTER,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_NORMAL_BOTTOM_RIGHT
};
const int kLogoutButtonHotImages[] = {
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_TOP_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_TOP,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_TOP_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_CENTER,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_BOTTOM_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_BOTTOM,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_HOT_BOTTOM_RIGHT
};
const int kLogoutButtonPushedImages[] = {
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_TOP_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_CENTER,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_RIGHT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM_LEFT,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM,
IDR_AURA_UBER_TRAY_LOGOUT_BUTTON_PUSHED_BOTTOM_RIGHT
};
} // namespace
namespace ash {
namespace internal {
namespace tray {
class LogoutButton : public views::View,
public views::ButtonListener {
public:
LogoutButton(user::LoginStatus status) : button_(NULL),
login_status_(user::LOGGED_IN_NONE),
show_logout_button_in_tray_(false) {
views::BoxLayout* layout = new views::BoxLayout(
views::BoxLayout::kHorizontal, 0, 0, 0);
layout->set_spread_blank_space(true);
SetLayoutManager(layout);
set_border(views::Border::CreateEmptyBorder(
0, kTrayLabelItemHorizontalPaddingBottomAlignment, 0, 0));
button_ = new views::LabelButton(this, string16());
for (size_t state = 0; state < views::CustomButton::STATE_COUNT; ++state) {
button_->SetTextColor(
static_cast<views::CustomButton::ButtonState>(state), SK_ColorWHITE);
}
button_->SetFont(button_->GetFont().DeriveFont(1));
views::LabelButtonBorder* border = new views::LabelButtonBorder();
border->SetPainter(views::CustomButton::STATE_NORMAL,
views::Painter::CreateImageGridPainter(kLogoutButtonNormalImages));
border->SetPainter(views::CustomButton::STATE_HOVERED,
views::Painter::CreateImageGridPainter(kLogoutButtonHotImages));
border->SetPainter(views::CustomButton::STATE_PRESSED,
views::Painter::CreateImageGridPainter(kLogoutButtonPushedImages));
button_->set_border(border);
AddChildView(button_);
OnLoginStatusChanged(status);
}
void OnLoginStatusChanged(user::LoginStatus status) {
login_status_ = status;
const string16 title = GetLocalizedSignOutStringForStatus(login_status_,
false);
button_->SetText(title);
button_->SetAccessibleName(title);
UpdateVisibility();
}
void OnShowLogoutButtonInTrayChanged(bool show) {
show_logout_button_in_tray_ = show;
UpdateVisibility();
}
// Overridden from views::ButtonListener.
void ButtonPressed(views::Button* sender, const ui::Event& event) OVERRIDE {
DCHECK_EQ(sender, button_);
Shell::GetInstance()->tray_delegate()->SignOut();
}
private:
void UpdateVisibility() {
SetVisible(show_logout_button_in_tray_ &&
login_status_ != user::LOGGED_IN_NONE &&
login_status_ != user::LOGGED_IN_LOCKED);
}
views::LabelButton* button_;
user::LoginStatus login_status_;
bool show_logout_button_in_tray_;
DISALLOW_COPY_AND_ASSIGN(LogoutButton);
};
} // namespace tray
TrayLogoutButton::TrayLogoutButton(SystemTray* system_tray)
: SystemTrayItem(system_tray),
logout_button_(NULL) {
Shell::GetInstance()->system_tray_notifier()->AddLogoutButtonObserver(this);
}
TrayLogoutButton::~TrayLogoutButton() {
Shell::GetInstance()->system_tray_notifier()->
RemoveLogoutButtonObserver(this);
}
views::View* TrayLogoutButton::CreateTrayView(user::LoginStatus status) {
CHECK(logout_button_ == NULL);
logout_button_ = new tray::LogoutButton(status);
return logout_button_;
}
void TrayLogoutButton::DestroyTrayView() {
logout_button_ = NULL;
}
void TrayLogoutButton::UpdateAfterLoginStatusChange(user::LoginStatus status) {
logout_button_->OnLoginStatusChanged(status);
}
void TrayLogoutButton::OnShowLogoutButtonInTrayChanged(bool show) {
logout_button_->OnShowLogoutButtonInTrayChanged(show);
}
} // namespace internal
} // namespace ash
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