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
|
/*
* Copyright (C) 2007 Kevin Ollivier <kevino@theolliviers.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SharedTimer.h"
#include "NotImplemented.h"
#include "SystemTime.h"
#include "Widget.h"
#include <wtf/Assertions.h>
#include <stdio.h>
#include "wx/defs.h"
#include "wx/timer.h"
namespace WebCore {
static void (*sharedTimerFiredFunction)();
class WebKitTimer: public wxTimer
{
public:
WebKitTimer();
~WebKitTimer();
virtual void Notify();
};
WebKitTimer::WebKitTimer()
{
wxTimer::wxTimer();
}
WebKitTimer::~WebKitTimer()
{
}
void WebKitTimer::Notify()
{
sharedTimerFiredFunction();
}
static WebKitTimer* wkTimer;
void setSharedTimerFiredFunction(void (*f)())
{
sharedTimerFiredFunction = f;
}
void setSharedTimerFireTime(double fireTime)
{
ASSERT(sharedTimerFiredFunction);
double interval = fireTime - currentTime();
if (!wkTimer)
wkTimer = new WebKitTimer();
unsigned int intervalInMS = interval * 1000;
if (interval < 0) {
#ifndef NDEBUG
// TODO: We may eventually want to assert here, to track
// what calls are leading to this condition. It seems to happen
// mostly with repeating timers.
fprintf(stderr, "WARNING: setSharedTimerFireTime: fire time is < 0 ms\n");
#endif
intervalInMS = 0;
}
// FIXME: We should mimic the Windows port's behavior and add the timer fired
// event to the event queue directly rather than making an artifical delay.
// However, wx won't allow us to assign a simple callback function - we'd have
// to create a fake wxEvtHandler-derived class with a timer event handler
// function. Until there's a better way, this way is at least far less
// hacky.
if (intervalInMS < 10)
#if __WXMSW__
intervalInMS = 10;
#else
intervalInMS = 1;
#endif
wkTimer->Start(intervalInMS, wxTIMER_ONE_SHOT);
}
void stopSharedTimer()
{
if (wkTimer)
wkTimer->Stop();
}
}
|