blob: 6d99b940e416461de93ca26cd49d9647835ac89a (
plain)
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
|
// Copyright 2014 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 "content/browser/time_zone_monitor.h"
#include <windows.h>
#include "base/basictypes.h"
#include "ui/gfx/win/singleton_hwnd.h"
namespace content {
class TimeZoneMonitorWin : public TimeZoneMonitor,
public gfx::SingletonHwnd::Observer {
public:
TimeZoneMonitorWin() : TimeZoneMonitor() {
gfx::SingletonHwnd::GetInstance()->AddObserver(this);
}
virtual ~TimeZoneMonitorWin() {
gfx::SingletonHwnd::GetInstance()->RemoveObserver(this);
}
// gfx::SingletonHwnd::Observer implementation.
virtual void OnWndProc(HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam) OVERRIDE {
if (message != WM_TIMECHANGE) {
return;
}
NotifyRenderers();
}
private:
DISALLOW_COPY_AND_ASSIGN(TimeZoneMonitorWin);
};
// static
scoped_ptr<TimeZoneMonitor> TimeZoneMonitor::Create() {
return scoped_ptr<TimeZoneMonitor>(new TimeZoneMonitorWin());
}
} // namespace content
|
