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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/chromeos/power/power_status_view.h"
#include "ash/shell.h"
#include "ash/shell_delegate.h"
#include "ash/system/chromeos/power/power_status.h"
#include "ash/system/chromeos/power/tray_power.h"
#include "ash/system/tray/fixed_sized_image_view.h"
#include "ash/system/tray/tray_constants.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "grit/ash_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/l10n/time_format.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/grid_layout.h"
namespace ash {
namespace internal {
// Padding between battery status text and battery icon on default view.
const int kPaddingBetweenBatteryStatusAndIcon = 3;
PowerStatusView::PowerStatusView(ViewType view_type,
bool default_view_right_align)
: default_view_right_align_(default_view_right_align),
status_label_(NULL),
time_label_(NULL),
time_status_label_(NULL),
percentage_label_(NULL),
icon_(NULL),
view_type_(view_type) {
PowerStatus::Get()->AddObserver(this);
if (view_type == VIEW_DEFAULT) {
time_status_label_ = new views::Label;
percentage_label_ = new views::Label;
percentage_label_->SetEnabledColor(kHeaderTextColorNormal);
LayoutDefaultView();
} else {
status_label_ = new views::Label;
time_label_ = new views::Label;
LayoutNotificationView();
}
OnPowerStatusChanged();
}
PowerStatusView::~PowerStatusView() {
PowerStatus::Get()->RemoveObserver(this);
}
void PowerStatusView::OnPowerStatusChanged() {
view_type_ == VIEW_DEFAULT ?
UpdateTextForDefaultView() : UpdateTextForNotificationView();
if (icon_) {
icon_->SetImage(
PowerStatus::Get()->GetBatteryImage(PowerStatus::ICON_DARK));
icon_->SetVisible(true);
}
}
void PowerStatusView::LayoutDefaultView() {
if (default_view_right_align_) {
views::BoxLayout* layout =
new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0,
kPaddingBetweenBatteryStatusAndIcon);
SetLayoutManager(layout);
AddChildView(percentage_label_);
AddChildView(time_status_label_);
icon_ = new views::ImageView;
AddChildView(icon_);
} else {
// PowerStatusView is left aligned on the system tray pop up item.
views::BoxLayout* layout =
new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0,
kTrayPopupPaddingBetweenItems);
SetLayoutManager(layout);
icon_ =
new ash::internal::FixedSizedImageView(0, ash::kTrayPopupItemHeight);
AddChildView(icon_);
AddChildView(percentage_label_);
AddChildView(time_status_label_);
}
}
void PowerStatusView::LayoutNotificationView() {
SetLayoutManager(
new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 1));
status_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
AddChildView(status_label_);
time_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
AddChildView(time_label_);
}
void PowerStatusView::UpdateTextForDefaultView() {
const PowerStatus& status = *PowerStatus::Get();
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
base::string16 battery_percentage;
base::string16 battery_time_status;
if (status.IsBatteryFull()) {
battery_time_status =
rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_BATTERY_FULL);
} else {
battery_percentage = l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_BATTERY_PERCENT_ONLY,
base::IntToString16(status.GetRoundedBatteryPercent()));
if (status.IsUsbChargerConnected()) {
battery_time_status = rb.GetLocalizedString(
IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE);
} else if (status.IsBatteryTimeBeingCalculated()) {
battery_time_status =
rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_BATTERY_CALCULATING);
} else {
base::TimeDelta time = status.IsBatteryCharging() ?
status.GetBatteryTimeToFull() : status.GetBatteryTimeToEmpty();
if (PowerStatus::ShouldDisplayBatteryTime(time) &&
!status.IsBatteryDischargingOnLinePower()) {
int hour = 0, min = 0;
PowerStatus::SplitTimeIntoHoursAndMinutes(time, &hour, &min);
base::string16 minute = min < 10 ?
ASCIIToUTF16("0") + base::IntToString16(min) :
base::IntToString16(min);
battery_time_status =
l10n_util::GetStringFUTF16(
status.IsBatteryCharging() ?
IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL_SHORT :
IDS_ASH_STATUS_TRAY_BATTERY_TIME_LEFT_SHORT,
base::IntToString16(hour),
minute);
}
}
battery_percentage = battery_time_status.empty() ?
battery_percentage : battery_percentage + ASCIIToUTF16(" - ");
}
percentage_label_->SetVisible(!battery_percentage.empty());
percentage_label_->SetText(battery_percentage);
time_status_label_->SetVisible(!battery_time_status.empty());
time_status_label_->SetText(battery_time_status);
}
void PowerStatusView::UpdateTextForNotificationView() {
const PowerStatus& status = *PowerStatus::Get();
if (status.IsBatteryFull()) {
status_label_->SetText(
ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
IDS_ASH_STATUS_TRAY_BATTERY_FULL));
} else {
status_label_->SetText(
l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_BATTERY_PERCENT,
base::IntToString16(status.GetRoundedBatteryPercent())));
}
const base::TimeDelta time = status.IsBatteryCharging() ?
status.GetBatteryTimeToFull() : status.GetBatteryTimeToEmpty();
if (status.IsUsbChargerConnected()) {
time_label_->SetText(
ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
IDS_ASH_STATUS_TRAY_BATTERY_CHARGING_UNRELIABLE));
} else if (status.IsBatteryTimeBeingCalculated()) {
time_label_->SetText(
ui::ResourceBundle::GetSharedInstance().GetLocalizedString(
IDS_ASH_STATUS_TRAY_BATTERY_CALCULATING));
} else if (PowerStatus::ShouldDisplayBatteryTime(time) &&
!status.IsBatteryDischargingOnLinePower()) {
int hour = 0, min = 0;
PowerStatus::SplitTimeIntoHoursAndMinutes(time, &hour, &min);
if (status.IsBatteryCharging()) {
time_label_->SetText(
l10n_util::GetStringFUTF16(
IDS_ASH_STATUS_TRAY_BATTERY_TIME_UNTIL_FULL,
base::IntToString16(hour),
base::IntToString16(min)));
} else {
// This is a low battery warning prompting the user in minutes.
time_label_->SetText(ui::TimeFormat::TimeRemaining(
base::TimeDelta::FromMinutes(hour * 60 + min)));
}
} else {
time_label_->SetText(base::string16());
}
}
void PowerStatusView::ChildPreferredSizeChanged(views::View* child) {
PreferredSizeChanged();
}
gfx::Size PowerStatusView::GetPreferredSize() {
gfx::Size size = views::View::GetPreferredSize();
return gfx::Size(size.width(), kTrayPopupItemHeight);
}
int PowerStatusView::GetHeightForWidth(int width) {
return kTrayPopupItemHeight;
}
void PowerStatusView::Layout() {
views::View::Layout();
// Move the time_status_label_ closer to percentage_label_.
if (percentage_label_ && time_status_label_ &&
percentage_label_->visible() && time_status_label_->visible()) {
time_status_label_->SetX(percentage_label_->bounds().right() + 1);
}
}
} // namespace internal
} // namespace ash
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