blob: 3e48624ed8ad382c4cad15dd8d6e9046cdcca2a2 (
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
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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __IPC_GLUE_MESSAGEPUMP_H__
#define __IPC_GLUE_MESSAGEPUMP_H__
#include "base/message_pump_default.h"
#if defined(XP_WIN)
#include "base/message_pump_win.h"
#endif
#include "base/time.h"
#include "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
#include "nsCOMPtr.h"
#include "nsIThreadInternal.h"
class nsIThread;
class nsITimer;
namespace mozilla {
namespace ipc {
class DoWorkRunnable;
class MessagePump : public base::MessagePumpDefault
{
friend class DoWorkRunnable;
public:
explicit MessagePump(nsIThread* aThread);
// From base::MessagePump.
virtual void
Run(base::MessagePump::Delegate* aDelegate) override;
// From base::MessagePump.
virtual void
ScheduleWork() override;
// From base::MessagePump.
virtual void
ScheduleWorkForNestedLoop() override;
// From base::MessagePump.
virtual void
ScheduleDelayedWork(const base::TimeTicks& aDelayedWorkTime) override;
virtual nsIEventTarget*
GetXPCOMThread() override;
protected:
virtual ~MessagePump();
private:
// Only called by DoWorkRunnable.
void DoDelayedWork(base::MessagePump::Delegate* aDelegate);
protected:
nsIThread* mThread;
// mDelayedWorkTimer and mThread are set in Run() by this class or its
// subclasses.
nsCOMPtr<nsITimer> mDelayedWorkTimer;
private:
// Only accessed by this class.
RefPtr<DoWorkRunnable> mDoWorkEvent;
};
class MessagePumpForChildProcess final: public MessagePump
{
public:
MessagePumpForChildProcess()
: MessagePump(nullptr),
mFirstRun(true)
{ }
virtual void Run(base::MessagePump::Delegate* aDelegate) override;
private:
~MessagePumpForChildProcess()
{ }
bool mFirstRun;
};
class MessagePumpForNonMainThreads final : public MessagePump
{
public:
explicit MessagePumpForNonMainThreads(nsIThread* aThread)
: MessagePump(aThread)
{ }
virtual void Run(base::MessagePump::Delegate* aDelegate) override;
private:
~MessagePumpForNonMainThreads()
{ }
};
#if defined(XP_WIN)
// Extends the TYPE_UI message pump to process xpcom events. Currently only
// implemented for Win.
class MessagePumpForNonMainUIThreads final:
public base::MessagePumpForUI,
public nsIThreadObserver
{
public:
// We don't want xpcom refing, chromium controls our lifetime via
// RefCountedThreadSafe.
NS_IMETHOD_(MozExternalRefCountType) AddRef(void) override {
return 2;
}
NS_IMETHOD_(MozExternalRefCountType) Release(void) override {
return 1;
}
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
NS_DECL_NSITHREADOBSERVER
public:
explicit MessagePumpForNonMainUIThreads(nsIThread* aThread) :
mInWait(false),
mWaitLock("mInWait")
{
}
// The main run loop for this thread.
virtual void DoRunLoop() override;
virtual nsIEventTarget*
GetXPCOMThread() override
{
return nullptr; // not sure what to do with this one
}
protected:
void SetInWait() {
MutexAutoLock lock(mWaitLock);
mInWait = true;
}
void ClearInWait() {
MutexAutoLock lock(mWaitLock);
mInWait = false;
}
bool GetInWait() {
MutexAutoLock lock(mWaitLock);
return mInWait;
}
private:
~MessagePumpForNonMainUIThreads()
{
}
bool mInWait;
mozilla::Mutex mWaitLock;
};
#endif // defined(XP_WIN)
} /* namespace ipc */
} /* namespace mozilla */
#endif /* __IPC_GLUE_MESSAGEPUMP_H__ */
|
