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
|
// Copyright (c) 2011 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 "remoting/base/plugin_message_loop_proxy.h"
#include "base/bind.h"
namespace remoting {
PluginMessageLoopProxy::PluginMessageLoopProxy(Delegate* delegate)
: delegate_(delegate) {
}
PluginMessageLoopProxy::~PluginMessageLoopProxy() {
}
void PluginMessageLoopProxy::Detach() {
base::AutoLock auto_lock(lock_);
if (delegate_) {
DCHECK(delegate_->IsPluginThread());
delegate_ = NULL;
}
}
// MessageLoopProxy interface implementation.
bool PluginMessageLoopProxy::PostTask(
const tracked_objects::Location& from_here,
Task* task) {
return PostDelayedTask(from_here, task, 0);
}
bool PluginMessageLoopProxy::PostDelayedTask(
const tracked_objects::Location& from_here,
Task* task,
int64 delay_ms) {
base::AutoLock auto_lock(lock_);
if (!delegate_)
return false;
base::Closure* springpad_closure = new base::Closure(base::Bind(
&PluginMessageLoopProxy::RunTaskIf, this, task));
return delegate_->RunOnPluginThread(
delay_ms, &PluginMessageLoopProxy::TaskSpringboard, springpad_closure);
}
bool PluginMessageLoopProxy::PostNonNestableTask(
const tracked_objects::Location& from_here,
Task* task) {
// All tasks running on this message loop are non-nestable.
return PostTask(from_here, task);
}
bool PluginMessageLoopProxy::PostNonNestableDelayedTask(
const tracked_objects::Location& from_here,
Task* task,
int64 delay_ms) {
// All tasks running on this message loop are non-nestable.
return PostDelayedTask(from_here, task, delay_ms);
}
bool PluginMessageLoopProxy::PostTask(
const tracked_objects::Location& from_here,
const base::Closure& task) {
return PostDelayedTask(from_here, task, 0);
}
bool PluginMessageLoopProxy::PostDelayedTask(
const tracked_objects::Location& from_here,
const base::Closure& task,
int64 delay_ms) {
base::AutoLock auto_lock(lock_);
if (!delegate_)
return false;
base::Closure* springpad_closure = new base::Closure(base::Bind(
&PluginMessageLoopProxy::RunClosureIf, this, task));
return delegate_->RunOnPluginThread(
delay_ms, &PluginMessageLoopProxy::TaskSpringboard, springpad_closure);
}
bool PluginMessageLoopProxy::PostNonNestableTask(
const tracked_objects::Location& from_here,
const base::Closure& task) {
// All tasks running on this message loop are non-nestable.
return PostTask(from_here, task);
}
bool PluginMessageLoopProxy::PostNonNestableDelayedTask(
const tracked_objects::Location& from_here,
const base::Closure& task,
int64 delay_ms) {
// All tasks running on this message loop are non-nestable.
return PostDelayedTask(from_here, task, delay_ms);
}
bool PluginMessageLoopProxy::BelongsToCurrentThread() {
base::AutoLock auto_lock(lock_);
if (!delegate_)
return false;
return delegate_->IsPluginThread();
}
// static
void PluginMessageLoopProxy::TaskSpringboard(void* data) {
base::Closure* task = reinterpret_cast<base::Closure*>(data);
task->Run();
delete task;
}
void PluginMessageLoopProxy::RunTaskIf(Task* task) {
// |delegate_| can be changed only from our thread, so it's safe to
// access it without acquiring |lock_|.
if (delegate_)
task->Run();
delete task;
}
void PluginMessageLoopProxy::RunClosureIf(const base::Closure& task) {
// |delegate_| can be changed only from our thread, so it's safe to
// access it without acquiring |lock_|.
if (delegate_)
task.Run();
}
} // namespace remoting
|
