Index: third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp |
diff --git a/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp b/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4d211c04e70bc8cabc4f3e8549b5a2c931416a5d |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/time_zone_monitor/TimeZoneMonitorClient.cpp |
@@ -0,0 +1,76 @@ |
+// Copyright 2016 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 "modules/time_zone_monitor/TimeZoneMonitorClient.h" |
+ |
+#include "bindings/core/v8/V8Binding.h" |
+#include "bindings/core/v8/V8PerIsolateData.h" |
+#include "core/dom/ExecutionContext.h" |
+#include "core/dom/ExecutionContextTask.h" |
+#include "core/workers/WorkerBackingThread.h" |
+#include "core/workers/WorkerThread.h" |
+#include "public/platform/InterfaceProvider.h" |
+#include "public/platform/Platform.h" |
+#include "third_party/icu/source/i18n/unicode/timezone.h" |
+#include <v8.h> |
+ |
+namespace blink { |
+ |
+namespace { |
+ |
+// Notify V8 that the date/time configuration of the system might have changed. |
+void NotifyTimezoneChangeToV8(v8::Isolate* isolate) { |
+ DCHECK(isolate); |
+ v8::Date::DateTimeConfigurationChangeNotification(isolate); |
+} |
+ |
+void NotifyTimezoneChangeOnWorkerThread(ExecutionContext* context) { |
+ NotifyTimezoneChangeToV8(toIsolate(context)); |
+} |
+ |
+} // namespace |
+ |
+// static |
+void TimeZoneMonitorClient::Init() { |
+ DEFINE_STATIC_LOCAL(TimeZoneMonitorClient, instance, ()); |
+ |
+ device::mojom::blink::TimeZoneMonitorPtr monitor; |
+ Platform::current()->interfaceProvider()->getInterface( |
+ mojo::GetProxy(&monitor)); |
+ monitor->AddClient(instance.m_binding.CreateInterfacePtrAndBind()); |
+} |
+ |
+TimeZoneMonitorClient::TimeZoneMonitorClient() : m_binding(this) { |
+ DCHECK(isMainThread()); |
+} |
+ |
+TimeZoneMonitorClient::~TimeZoneMonitorClient() {} |
+ |
+void TimeZoneMonitorClient::OnTimeZoneChange(const String& timeZoneInfo) { |
+ DCHECK(isMainThread()); |
+ |
+ if (!timeZoneInfo.isEmpty()) { |
+ icu::TimeZone* zone = icu::TimeZone::createTimeZone( |
+ icu::UnicodeString::fromUTF8(timeZoneInfo.utf8().data())); |
+ icu::TimeZone::adoptDefault(zone); |
+ VLOG(1) << "ICU default timezone is set to " << timeZoneInfo; |
+ } |
+ |
+ NotifyTimezoneChangeToV8(V8PerIsolateData::mainThreadIsolate()); |
+ |
+ HashSet<WorkerThread*>& threads = WorkerThread::workerThreads(); |
+ HashSet<WorkerBackingThread*> posted; |
+ for (WorkerThread* thread : threads) { |
+ // Ensure every WorkerBackingThread(holding one platform thread) only get |
+ // the task posted once, because one WorkerBackingThread could be shared |
+ // among multiple WorkerThreads. |
+ if (posted.contains(&thread->workerBackingThread())) |
+ continue; |
+ thread->postTask(BLINK_FROM_HERE, createCrossThreadTask( |
+ &NotifyTimezoneChangeOnWorkerThread)); |
+ posted.add(&thread->workerBackingThread()); |
+ } |
+} |
+ |
+} // namespace blink |