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// Copyright (c) 2009 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/clock_menu_button.h"
#include "app/gfx/canvas.h"
#include "app/gfx/font.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/i18n/time_formatting.h"
#include "base/string_util.h"
#include "base/time.h"
#include "grit/generated_resources.h"
// Amount of slop to add into the timer to make sure we're into the next minute
// when the timer goes off.
const int kTimerSlopSeconds = 1;
ClockMenuButton::ClockMenuButton()
: MenuButton(NULL, std::wstring(), this, false),
clock_menu_(this) {
SetFont(ResourceBundle::GetSharedInstance().GetFont(
ResourceBundle::BaseFont).DeriveFont(0, gfx::Font::BOLD));
SetEnabledColor(SK_ColorWHITE);
SetShowHighlighted(false);
// Set initial text to make sure that the text button wide enough.
std::wstring zero = ASCIIToWide("00");
SetText(l10n_util::GetStringF(IDS_STATUSBAR_CLOCK_SHORT_TIME_AM, zero, zero));
SetText(l10n_util::GetStringF(IDS_STATUSBAR_CLOCK_SHORT_TIME_PM, zero, zero));
set_alignment(TextButton::ALIGN_RIGHT);
UpdateText();
}
void ClockMenuButton::SetNextTimer() {
// Try to set the timer to go off at the next change of the minute. We don't
// want to have the timer go off more than necessary since that will cause
// the CPU to wake up and consume power.
base::Time now = base::Time::Now();
base::Time::Exploded exploded;
now.LocalExplode(&exploded);
// Often this will be called at minute boundaries, and we'll actually want
// 60 seconds from now.
int seconds_left = 60 - exploded.second;
if (seconds_left == 0)
seconds_left = 60;
// Make sure that the timer fires on the next minute. Without this, if it is
// called just a teeny bit early, then it will skip the next minute.
seconds_left += kTimerSlopSeconds;
timer_.Start(base::TimeDelta::FromSeconds(seconds_left), this,
&ClockMenuButton::UpdateText);
}
void ClockMenuButton::UpdateText() {
base::Time::Exploded now;
base::Time::Now().LocalExplode(&now);
int hour = now.hour % 12;
if (hour == 0)
hour = 12;
std::wstring hour_str = IntToWString(hour);
std::wstring min_str = IntToWString(now.minute);
// Append a "0" before the minute if it's only a single digit.
if (now.minute < 10)
min_str = IntToWString(0) + min_str;
int msg = now.hour < 12 ? IDS_STATUSBAR_CLOCK_SHORT_TIME_AM :
IDS_STATUSBAR_CLOCK_SHORT_TIME_PM;
std::wstring time_string = l10n_util::GetStringF(msg, hour_str, min_str);
SetText(time_string);
SchedulePaint();
SetNextTimer();
}
////////////////////////////////////////////////////////////////////////////////
// ClockMenuButton, views::Menu2Model implementation:
int ClockMenuButton::GetItemCount() const {
return 1;
}
views::Menu2Model::ItemType ClockMenuButton::GetTypeAt(int index) const {
return views::Menu2Model::TYPE_COMMAND;
}
string16 ClockMenuButton::GetLabelAt(int index) const {
return WideToUTF16(base::TimeFormatFriendlyDate(base::Time::Now()));
}
////////////////////////////////////////////////////////////////////////////////
// ClockMenuButton, views::ViewMenuDelegate implementation:
void ClockMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
clock_menu_.Rebuild();
clock_menu_.UpdateStates();
clock_menu_.RunMenuAt(pt, views::Menu2::ALIGN_TOPRIGHT);
}
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