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
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
*
* 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#ifndef RunLoop_h
#define RunLoop_h
#include <wtf/Deque.h>
#include <wtf/Forward.h>
#include <wtf/FunctionDispatcher.h>
#include <wtf/Functional.h>
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
#include <wtf/Threading.h>
#if PLATFORM(GTK)
#include <wtf/gobject/GRefPtr.h>
#endif
#if PLATFORM(EFL)
#include <Ecore.h>
#endif
namespace WebCore {
class RunLoop : public FunctionDispatcher {
public:
// Must be called from the main thread (except for the Mac platform, where it
// can be called from any thread).
static void initializeMainRunLoop();
// Must be called before entering main run loop. If called, application style run loop will be used, handling events.
static void setUseApplicationRunLoopOnMainRunLoop();
static RunLoop* current();
static RunLoop* main();
~RunLoop();
virtual void dispatch(const Function<void()>&) OVERRIDE;
static void run();
void stop();
void wakeUp();
#if PLATFORM(MAC)
void runForDuration(double duration);
#endif
class TimerBase {
friend class RunLoop;
public:
explicit TimerBase(RunLoop*);
virtual ~TimerBase();
void startRepeating(double repeatInterval) { start(repeatInterval, true); }
void startOneShot(double interval) { start(interval, false); }
void stop();
bool isActive() const;
virtual void fired() = 0;
private:
void start(double nextFireInterval, bool repeat);
RunLoop* m_runLoop;
#if PLATFORM(WIN)
static void timerFired(RunLoop*, uint64_t ID);
uint64_t m_ID;
bool m_isRepeating;
#elif PLATFORM(MAC)
static void timerFired(CFRunLoopTimerRef, void*);
RetainPtr<CFRunLoopTimerRef> m_timer;
#elif PLATFORM(QT)
static void timerFired(RunLoop*, int ID);
int m_ID;
bool m_isRepeating;
#elif PLATFORM(GTK)
static gboolean timerFiredCallback(RunLoop::TimerBase*);
gboolean isRepeating() const { return m_isRepeating; }
void clearTimerSource();
GRefPtr<GSource> m_timerSource;
gboolean m_isRepeating;
#elif PLATFORM(EFL)
static bool timerFired(void* data);
Ecore_Timer* m_timer;
bool m_isRepeating;
#endif
};
template <typename TimerFiredClass>
class Timer : public TimerBase {
public:
typedef void (TimerFiredClass::*TimerFiredFunction)();
Timer(RunLoop* runLoop, TimerFiredClass* o, TimerFiredFunction f)
: TimerBase(runLoop)
, m_object(o)
, m_function(f)
{
}
private:
virtual void fired() { (m_object->*m_function)(); }
TimerFiredClass* m_object;
TimerFiredFunction m_function;
};
class Holder;
private:
RunLoop();
void performWork();
Mutex m_functionQueueLock;
Deque<Function<void()> > m_functionQueue;
#if PLATFORM(WIN)
static bool registerRunLoopMessageWindowClass();
static LRESULT CALLBACK RunLoopWndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
HWND m_runLoopMessageWindow;
typedef HashMap<uint64_t, TimerBase*> TimerMap;
TimerMap m_activeTimers;
#elif PLATFORM(MAC)
static void performWork(void*);
RetainPtr<CFRunLoopRef> m_runLoop;
RetainPtr<CFRunLoopSourceRef> m_runLoopSource;
int m_nestingLevel;
#elif PLATFORM(QT)
typedef HashMap<int, TimerBase*> TimerMap;
TimerMap m_activeTimers;
class TimerObject;
TimerObject* m_timerObject;
#elif PLATFORM(GTK)
public:
static gboolean queueWork(RunLoop*);
GMainLoop* innermostLoop();
void pushNestedMainLoop(GMainLoop*);
void popNestedMainLoop();
private:
GRefPtr<GMainContext> m_runLoopContext;
Vector<GRefPtr<GMainLoop> > m_runLoopMainLoops;
#elif PLATFORM(EFL)
bool m_initEfl;
Mutex m_pipeLock;
OwnPtr<Ecore_Pipe> m_pipe;
Mutex m_wakeUpEventRequestedLock;
bool m_wakeUpEventRequested;
static void wakeUpEvent(void* data, void*, unsigned int);
#endif
};
} // namespace WebCore
#endif // RunLoop_h
|
