OLD | NEW |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/renderer_host/java/java_bridge_channel_host.h" | 5 #include "content/browser/renderer_host/java/java_bridge_channel_host.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "base/stringprintf.h" | 8 #include "base/stringprintf.h" |
9 #include "base/synchronization/waitable_event.h" | 9 #include "base/synchronization/waitable_event.h" |
10 | 10 |
11 using base::WaitableEvent; | 11 using base::WaitableEvent; |
12 | 12 |
13 namespace { | 13 namespace { |
14 struct WaitableEventLazyInstanceTraits | 14 struct WaitableEventLazyInstanceTraits |
15 : public base::DefaultLazyInstanceTraits<WaitableEvent> { | 15 : public base::DefaultLazyInstanceTraits<WaitableEvent> { |
16 static WaitableEvent* New(void* instance) { | 16 static WaitableEvent* New(void* instance) { |
17 // Use placement new to initialize our instance in our preallocated space. | 17 // Use placement new to initialize our instance in our preallocated space. |
18 // The parenthesis is very important here to force POD type initialization. | 18 // The parenthesis is very important here to force POD type initialization. |
19 return new (instance) WaitableEvent(false, false); | 19 return new (instance) WaitableEvent(false, false); |
20 } | 20 } |
21 }; | 21 }; |
22 base::LazyInstance<WaitableEvent, WaitableEventLazyInstanceTraits> dummy_event( | 22 base::LazyInstance<WaitableEvent, WaitableEventLazyInstanceTraits> dummy_event = |
23 base::LINKER_INITIALIZED); | 23 LAZY_INSTANCE_INITIALIZER; |
24 } | 24 } |
25 | 25 |
26 JavaBridgeChannelHost* JavaBridgeChannelHost::GetJavaBridgeChannelHost( | 26 JavaBridgeChannelHost* JavaBridgeChannelHost::GetJavaBridgeChannelHost( |
27 int renderer_id, base::MessageLoopProxy* ipc_message_loop) { | 27 int renderer_id, base::MessageLoopProxy* ipc_message_loop) { |
28 std::string channel_name(StringPrintf("r%d.javabridge", renderer_id)); | 28 std::string channel_name(StringPrintf("r%d.javabridge", renderer_id)); |
29 // We don't use a shutdown event because the Java Bridge only sends messages | 29 // We don't use a shutdown event because the Java Bridge only sends messages |
30 // from renderer to browser, so we'll never be waiting for a sync IPC to | 30 // from renderer to browser, so we'll never be waiting for a sync IPC to |
31 // complete. So we use an event which is never signaled. | 31 // complete. So we use an event which is never signaled. |
32 return static_cast<JavaBridgeChannelHost*>(NPChannelBase::GetChannel( | 32 return static_cast<JavaBridgeChannelHost*>(NPChannelBase::GetChannel( |
33 channel_name, | 33 channel_name, |
(...skipping 23 matching lines...) Expand all Loading... |
57 #endif | 57 #endif |
58 | 58 |
59 return true; | 59 return true; |
60 } | 60 } |
61 | 61 |
62 bool JavaBridgeChannelHost::Send(IPC::Message* msg) { | 62 bool JavaBridgeChannelHost::Send(IPC::Message* msg) { |
63 CHECK(!msg->is_sync() && msg->is_reply()) << | 63 CHECK(!msg->is_sync() && msg->is_reply()) << |
64 "Java Bridge only sends messages from renderer to browser."; | 64 "Java Bridge only sends messages from renderer to browser."; |
65 return NPChannelBase::Send(msg); | 65 return NPChannelBase::Send(msg); |
66 } | 66 } |
OLD | NEW |