1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
// 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.
// Note: this file is used by Aura on all platforms, even though it is currently
// in a chromeos specific location.
#include "chrome/browser/chromeos/status/clock_menu_button.h"
#include "base/i18n/time_formatting.h"
#include "base/string_util.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/status/status_area_view_chromeos.h"
#include "chrome/browser/chromeos/view_ids.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/font.h"
#include "unicode/datefmt.h"
#include "views/controls/menu/menu_runner.h"
#include "views/widget/widget.h"
namespace {
// views::MenuItemView item ids
enum ClockMenuItem {
CLOCK_DISPLAY_ITEM,
CLOCK_OPEN_OPTIONS_ITEM
};
} // namespace
// 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(StatusAreaButton::Delegate* delegate)
: StatusAreaButton(delegate, this),
default_use_24hour_clock_(false) {
set_id(VIEW_ID_STATUS_BUTTON_CLOCK);
#if defined(OS_CHROMEOS) // See note at top of file
// Start monitoring the kUse24HourClock preference.
Profile* profile = ProfileManager::GetDefaultProfile();
if (profile) { // This can be NULL in the login screen.
registrar_.Init(profile->GetPrefs());
registrar_.Add(prefs::kUse24HourClock, this);
}
#endif
UpdateTextAndSetNextTimer();
}
ClockMenuButton::~ClockMenuButton() {
timer_.Stop();
}
void ClockMenuButton::UpdateTextAndSetNextTimer() {
UpdateText();
// 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(FROM_HERE, base::TimeDelta::FromSeconds(seconds_left), this,
&ClockMenuButton::UpdateTextAndSetNextTimer);
}
void ClockMenuButton::UpdateText() {
base::Time time(base::Time::Now());
bool use_24hour_clock = default_use_24hour_clock_;
#if defined(OS_CHROMEOS) // See note at top of file
// If the profie is present, check the use 24-hour clock preference.
Profile* profile = ProfileManager::GetDefaultProfile();
if (profile)
use_24hour_clock = profile->GetPrefs()->GetBoolean(prefs::kUse24HourClock);
#endif
SetText(base::TimeFormatTimeOfDayWithHourClockType(
time,
use_24hour_clock ? base::k24HourClock : base::k12HourClock,
base::kDropAmPm));
SetTooltipText(base::TimeFormatFriendlyDateAndTime(time));
SetAccessibleName(base::TimeFormatFriendlyDateAndTime(time));
SchedulePaint();
}
void ClockMenuButton::SetDefaultUse24HourClock(bool use_24hour_clock) {
if (default_use_24hour_clock_ == use_24hour_clock)
return;
default_use_24hour_clock_ = use_24hour_clock;
UpdateText();
}
// ClockMenuButton, content::NotificationObserver implementation:
void ClockMenuButton::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
#if defined(OS_CHROMEOS) // See note at top of file
if (type == chrome::NOTIFICATION_PREF_CHANGED) {
std::string* pref_name = content::Details<std::string>(details).ptr();
if (*pref_name == prefs::kUse24HourClock) {
UpdateText();
}
}
#endif
}
// ClockMenuButton, views::MenuDelegate implementation:
string16 ClockMenuButton::GetLabel(int id) const {
DCHECK_EQ(CLOCK_DISPLAY_ITEM, id);
return base::TimeFormatFriendlyDate(base::Time::Now());
}
bool ClockMenuButton::IsCommandEnabled(int id) const {
DCHECK(id == CLOCK_DISPLAY_ITEM || id == CLOCK_OPEN_OPTIONS_ITEM);
return id == CLOCK_OPEN_OPTIONS_ITEM;
}
void ClockMenuButton::ExecuteCommand(int id) {
DCHECK_EQ(CLOCK_OPEN_OPTIONS_ITEM, id);
delegate()->ExecuteStatusAreaCommand(
this, StatusAreaButton::Delegate::SHOW_SYSTEM_OPTIONS);
}
int ClockMenuButton::horizontal_padding() {
return 3;
}
// ClockMenuButton, views::ViewMenuDelegate implementation:
void ClockMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
// View passed in must be a views::MenuButton, i.e. the ClockMenuButton.
DCHECK_EQ(source, this);
EnsureMenu();
gfx::Point screen_location;
views::View::ConvertPointToScreen(source, &screen_location);
gfx::Rect bounds(screen_location, source->size());
if (menu_runner_->RunMenuAt(
source->GetWidget()->GetTopLevelWidget(), this, bounds,
views::MenuItemView::TOPRIGHT, views::MenuRunner::HAS_MNEMONICS) ==
views::MenuRunner::MENU_DELETED)
return;
}
// ClockMenuButton, views::View implementation:
void ClockMenuButton::OnLocaleChanged() {
UpdateText();
}
void ClockMenuButton::EnsureMenu() {
if (menu_runner_.get())
return;
views::MenuItemView* menu = new views::MenuItemView(this);
// menu_runner_ takes ownership of menu.
menu_runner_.reset(new views::MenuRunner(menu));
// Text for this item will be set by GetLabel().
menu->AppendDelegateMenuItem(CLOCK_DISPLAY_ITEM);
// If options UI is available, show a separator and configure menu item.
if (delegate()->ShouldExecuteStatusAreaCommand(
this, StatusAreaButton::Delegate::SHOW_SYSTEM_OPTIONS)) {
menu->AppendSeparator();
const string16 clock_open_options_label =
l10n_util::GetStringUTF16(IDS_STATUSBAR_CLOCK_OPEN_OPTIONS_DIALOG);
menu->AppendMenuItemWithLabel(CLOCK_OPEN_OPTIONS_ITEM,
clock_open_options_label);
}
}
|
