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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/power_menu_button.h"
#include "base/string_number_conversions.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/cros/cros_library.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"
#include "ui/gfx/canvas.h"
namespace chromeos {
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton
// static
const int PowerMenuButton::kNumPowerImages = 19;
PowerMenuButton::PowerMenuButton(StatusAreaHost* host)
: StatusAreaButton(host, this),
battery_is_present_(false),
line_power_on_(false),
battery_fully_charged_(false),
battery_percentage_(0.0),
icon_id_(-1),
ALLOW_THIS_IN_INITIALIZER_LIST(power_menu_(this)) {
UpdateIconAndLabelInfo();
CrosLibrary::Get()->GetPowerLibrary()->AddObserver(this);
}
PowerMenuButton::~PowerMenuButton() {
CrosLibrary::Get()->GetPowerLibrary()->RemoveObserver(this);
}
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton, ui::MenuModel implementation:
bool PowerMenuButton::HasIcons() const {
return false;
}
int PowerMenuButton::GetItemCount() const {
// We can't display charging information when no battery is installed.
return battery_is_present_ ? 2 : 1;
}
ui::MenuModel::ItemType PowerMenuButton::GetTypeAt(int index) const {
return ui::MenuModel::TYPE_COMMAND;
}
int PowerMenuButton::GetCommandIdAt(int index) const {
return index;
}
string16 PowerMenuButton::GetLabelAt(int index) const {
if (!battery_is_present_)
return l10n_util::GetStringUTF16(IDS_STATUSBAR_NO_BATTERY);
// The first item shows the percentage of battery left.
if (index == 0) {
return l10n_util::GetStringFUTF16(IDS_STATUSBAR_BATTERY_PERCENTAGE,
base::IntToString16(static_cast<int>(battery_percentage_)));
} else if (index == 1) {
// The second item shows the battery is charged if it is.
if (battery_fully_charged_)
return l10n_util::GetStringUTF16(IDS_STATUSBAR_BATTERY_IS_CHARGED);
// If battery is in an intermediate charge state, show how much time left.
base::TimeDelta time = line_power_on_ ? battery_time_to_full_ :
battery_time_to_empty_;
if (time.InSeconds() == 0) {
// If time is 0, then that means we are still calculating how much time.
// Depending if line power is on, we either show a message saying that we
// are calculating time until full or calculating remaining time.
int msg = line_power_on_ ?
IDS_STATUSBAR_BATTERY_CALCULATING_TIME_UNTIL_FULL :
IDS_STATUSBAR_BATTERY_CALCULATING_TIME_UNTIL_EMPTY;
return l10n_util::GetStringUTF16(msg);
} else {
// Depending if line power is on, we either show a message saying XX:YY
// until full or XX:YY remaining where XX is number of hours and YY is
// number of minutes.
int msg = line_power_on_ ? IDS_STATUSBAR_BATTERY_TIME_UNTIL_FULL :
IDS_STATUSBAR_BATTERY_TIME_UNTIL_EMPTY;
int hour = time.InHours();
int min = (time - base::TimeDelta::FromHours(hour)).InMinutes();
string16 hour_str = base::IntToString16(hour);
string16 min_str = base::IntToString16(min);
// Append a "0" before the minute if it's only a single digit.
if (min < 10)
min_str = ASCIIToUTF16("0") + min_str;
return l10n_util::GetStringFUTF16(msg, hour_str, min_str);
}
} else {
NOTREACHED();
return string16();
}
}
bool PowerMenuButton::IsItemDynamicAt(int index) const {
return true;
}
bool PowerMenuButton::GetAcceleratorAt(
int index, ui::Accelerator* accelerator) const {
return false;
}
bool PowerMenuButton::IsItemCheckedAt(int index) const {
return false;
}
int PowerMenuButton::GetGroupIdAt(int index) const {
return 0;
}
bool PowerMenuButton::GetIconAt(int index, SkBitmap* icon) {
return false;
}
ui::ButtonMenuItemModel* PowerMenuButton::GetButtonMenuItemAt(int index) const {
return NULL;
}
bool PowerMenuButton::IsEnabledAt(int index) const {
return false;
}
ui::MenuModel* PowerMenuButton::GetSubmenuModelAt(int index) const {
return NULL;
}
int PowerMenuButton::icon_width() {
return 26;
}
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton, views::View implementation:
void PowerMenuButton::OnLocaleChanged() {
UpdateIconAndLabelInfo();
}
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton, views::ViewMenuDelegate implementation:
void PowerMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
power_menu_.Rebuild();
power_menu_.RunMenuAt(pt, views::Menu2::ALIGN_TOPRIGHT);
}
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton, PowerLibrary::Observer implementation:
void PowerMenuButton::PowerChanged(PowerLibrary* obj) {
UpdateIconAndLabelInfo();
}
////////////////////////////////////////////////////////////////////////////////
// PowerMenuButton, StatusAreaButton implementation:
void PowerMenuButton::UpdateIconAndLabelInfo() {
PowerLibrary* cros = CrosLibrary::Get()->GetPowerLibrary();
if (!cros)
return;
bool cros_loaded = CrosLibrary::Get()->EnsureLoaded();
if (cros_loaded) {
battery_is_present_ = cros->battery_is_present();
line_power_on_ = cros->line_power_on();
battery_fully_charged_ = cros->battery_fully_charged();
battery_percentage_ = cros->battery_percentage();
// If fully charged, always show 100% even if internal number is a bit less.
// Note: we always call cros->battery_percentage() for test predictability.
if (battery_fully_charged_)
battery_percentage_ = 100.0;
battery_time_to_full_ = cros->battery_time_to_full();
battery_time_to_empty_ = cros->battery_time_to_empty();
}
if (!cros_loaded) {
icon_id_ = IDR_STATUSBAR_BATTERY_UNKNOWN;
} else if (!battery_is_present_) {
icon_id_ = IDR_STATUSBAR_BATTERY_MISSING;
} else if (line_power_on_ && battery_fully_charged_) {
icon_id_ = IDR_STATUSBAR_BATTERY_CHARGED;
} else {
// Get the power image depending on battery percentage. Percentage is
// from 0 to 100, so we need to convert that to 0 to kNumPowerImages - 1.
// NOTE: Use an array rather than just calculating a resource number to
// avoid creating implicit ordering dependencies on the resource values.
static const int kChargingImages[kNumPowerImages] = {
IDR_STATUSBAR_BATTERY_CHARGING_1,
IDR_STATUSBAR_BATTERY_CHARGING_2,
IDR_STATUSBAR_BATTERY_CHARGING_3,
IDR_STATUSBAR_BATTERY_CHARGING_4,
IDR_STATUSBAR_BATTERY_CHARGING_5,
IDR_STATUSBAR_BATTERY_CHARGING_6,
IDR_STATUSBAR_BATTERY_CHARGING_7,
IDR_STATUSBAR_BATTERY_CHARGING_8,
IDR_STATUSBAR_BATTERY_CHARGING_9,
IDR_STATUSBAR_BATTERY_CHARGING_10,
IDR_STATUSBAR_BATTERY_CHARGING_11,
IDR_STATUSBAR_BATTERY_CHARGING_12,
IDR_STATUSBAR_BATTERY_CHARGING_13,
IDR_STATUSBAR_BATTERY_CHARGING_14,
IDR_STATUSBAR_BATTERY_CHARGING_15,
IDR_STATUSBAR_BATTERY_CHARGING_16,
IDR_STATUSBAR_BATTERY_CHARGING_17,
IDR_STATUSBAR_BATTERY_CHARGING_18,
IDR_STATUSBAR_BATTERY_CHARGING_19,
};
static const int kDischargingImages[kNumPowerImages] = {
IDR_STATUSBAR_BATTERY_DISCHARGING_1,
IDR_STATUSBAR_BATTERY_DISCHARGING_2,
IDR_STATUSBAR_BATTERY_DISCHARGING_3,
IDR_STATUSBAR_BATTERY_DISCHARGING_4,
IDR_STATUSBAR_BATTERY_DISCHARGING_5,
IDR_STATUSBAR_BATTERY_DISCHARGING_6,
IDR_STATUSBAR_BATTERY_DISCHARGING_7,
IDR_STATUSBAR_BATTERY_DISCHARGING_8,
IDR_STATUSBAR_BATTERY_DISCHARGING_9,
IDR_STATUSBAR_BATTERY_DISCHARGING_10,
IDR_STATUSBAR_BATTERY_DISCHARGING_11,
IDR_STATUSBAR_BATTERY_DISCHARGING_12,
IDR_STATUSBAR_BATTERY_DISCHARGING_13,
IDR_STATUSBAR_BATTERY_DISCHARGING_14,
IDR_STATUSBAR_BATTERY_DISCHARGING_15,
IDR_STATUSBAR_BATTERY_DISCHARGING_16,
IDR_STATUSBAR_BATTERY_DISCHARGING_17,
IDR_STATUSBAR_BATTERY_DISCHARGING_18,
IDR_STATUSBAR_BATTERY_DISCHARGING_19,
};
int index = static_cast<int>(battery_percentage_ / 100.0 *
nextafter(static_cast<float>(kNumPowerImages), 0));
index = std::max(std::min(index, kNumPowerImages - 1), 0);
icon_id_ = line_power_on_ ?
kChargingImages[index] : kDischargingImages[index];
}
SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed(icon_id_));
SetTooltipText(UTF16ToWide(GetLabelAt(0)));
power_menu_.Rebuild();
SchedulePaint();
}
} // namespace chromeos
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