blob: 0c49cf5c7b5fe6fa2b3a862a7f1f506a7b01e895 (
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
|
// Copyright 2013 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 "ppapi/proxy/resource_reply_thread_registrar.h"
#include "base/logging.h"
#include "base/message_loop/message_loop_proxy.h"
#include "ppapi/shared_impl/proxy_lock.h"
#include "ppapi/shared_impl/tracked_callback.h"
namespace ppapi {
namespace proxy {
ResourceReplyThreadRegistrar::ResourceReplyThreadRegistrar(
scoped_refptr<base::MessageLoopProxy> default_thread)
: default_thread_(default_thread) {
}
ResourceReplyThreadRegistrar::~ResourceReplyThreadRegistrar() {
}
void ResourceReplyThreadRegistrar::Register(
PP_Resource resource,
int32_t sequence_number,
scoped_refptr<TrackedCallback> reply_thread_hint) {
ProxyLock::AssertAcquiredDebugOnly();
// Use the default thread if |reply_thread_hint| is NULL or blocking.
if (!reply_thread_hint || reply_thread_hint->is_blocking())
return;
DCHECK(reply_thread_hint->target_loop());
scoped_refptr<base::MessageLoopProxy> reply_thread(
reply_thread_hint->target_loop()->GetMessageLoopProxy());
{
base::AutoLock auto_lock(lock_);
if (reply_thread == default_thread_)
return;
map_[resource][sequence_number] = reply_thread;
}
}
void ResourceReplyThreadRegistrar::Unregister(PP_Resource resource) {
base::AutoLock auto_lock(lock_);
map_.erase(resource);
}
scoped_refptr<base::MessageLoopProxy>
ResourceReplyThreadRegistrar::GetTargetThreadAndUnregister(
PP_Resource resource,
int32_t sequence_number) {
base::AutoLock auto_lock(lock_);
ResourceMap::iterator resource_iter = map_.find(resource);
if (resource_iter == map_.end())
return default_thread_;
SequenceNumberMap::iterator sequence_number_iter =
resource_iter->second.find(sequence_number);
if (sequence_number_iter == resource_iter->second.end())
return default_thread_;
scoped_refptr<base::MessageLoopProxy> target = sequence_number_iter->second;
resource_iter->second.erase(sequence_number_iter);
return target;
}
} // namespace proxy
} // namespace ppapi
|
