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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/time_zone_monitor.h" | 5 #include "content/browser/time_zone_monitor.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "content/public/browser/browser_thread.h" | 8 #include "content/public/browser/browser_thread.h" |
9 #include "content/public/browser/render_process_host.h" | 9 #include "content/public/browser/render_process_host.h" |
| 10 #include "third_party/icu/source/common/unicode/unistr.h" |
| 11 #include "third_party/icu/source/i18n/unicode/timezone.h" |
10 | 12 |
11 namespace content { | 13 namespace content { |
12 | 14 |
13 TimeZoneMonitor::TimeZoneMonitor() { | 15 TimeZoneMonitor::TimeZoneMonitor() { |
14 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 16 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
15 } | 17 } |
16 | 18 |
17 TimeZoneMonitor::~TimeZoneMonitor() { | 19 TimeZoneMonitor::~TimeZoneMonitor() { |
18 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 20 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
19 } | 21 } |
20 | 22 |
21 void TimeZoneMonitor::NotifyRenderers() { | 23 void TimeZoneMonitor::NotifyRenderers() { |
22 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 24 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 25 #if defined(OS_CHROMEOS) |
| 26 // On CrOS, ICU's default tz is already set to a new zone. No |
| 27 // need to redetect it with detectHostTimeZone(). |
| 28 scoped_ptr<icu::TimeZone> new_zone(icu::TimeZone::createDefault()); |
| 29 #else |
| 30 icu::TimeZone* new_zone = icu::TimeZone::detectHostTimeZone(); |
| 31 #if defined(OS_LINUX) |
| 32 // We get here multiple times on Linux per a single tz change, but |
| 33 // want to update the ICU default zone and notify renderer only once. |
| 34 scoped_ptr<icu::TimeZone> current_zone(icu::TimeZone::createDefault()); |
| 35 if (*current_zone == *new_zone) { |
| 36 VLOG(1) << "timezone already updated"; |
| 37 delete new_zone; |
| 38 return; |
| 39 } |
| 40 #endif |
| 41 icu::TimeZone::adoptDefault(new_zone); |
| 42 #endif |
| 43 icu::UnicodeString zone_id; |
| 44 std::string zone_id_str; |
| 45 new_zone->getID(zone_id).toUTF8String(zone_id_str); |
| 46 VLOG(1) << "timezone reset to " << zone_id_str; |
23 for (RenderProcessHost::iterator iterator = | 47 for (RenderProcessHost::iterator iterator = |
24 RenderProcessHost::AllHostsIterator(); | 48 RenderProcessHost::AllHostsIterator(); |
25 !iterator.IsAtEnd(); | 49 !iterator.IsAtEnd(); |
26 iterator.Advance()) { | 50 iterator.Advance()) { |
27 iterator.GetCurrentValue()->NotifyTimezoneChange(); | 51 iterator.GetCurrentValue()->NotifyTimezoneChange(zone_id_str); |
28 } | 52 } |
29 } | 53 } |
30 | 54 |
31 } // namespace content | 55 } // namespace content |
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