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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "ppapi/proxy/ppp_mouse_lock_proxy.h"
6 
7 #include "ppapi/c/ppp_mouse_lock.h"
8 #include "ppapi/proxy/host_dispatcher.h"
9 #include "ppapi/proxy/ppapi_messages.h"
10 #include "ppapi/shared_impl/proxy_lock.h"
11 
12 namespace ppapi {
13 namespace proxy {
14 
15 namespace {
16 
17 #if !defined(OS_NACL)
MouseLockLost(PP_Instance instance)18 void MouseLockLost(PP_Instance instance) {
19   HostDispatcher* dispatcher = HostDispatcher::GetForInstance(instance);
20   if (!dispatcher) {
21     // The dispatcher should always be valid.
22     NOTREACHED();
23     return;
24   }
25 
26   dispatcher->Send(new PpapiMsg_PPPMouseLock_MouseLockLost(
27       API_ID_PPP_MOUSE_LOCK, instance));
28 }
29 
30 static const PPP_MouseLock mouse_lock_interface = {
31   &MouseLockLost
32 };
33 #else
34 // The NaCl plugin doesn't need the host side interface - stub it out.
35 static const PPP_MouseLock mouse_lock_interface = {};
36 #endif  // !defined(OS_NACL)
37 
38 }  // namespace
39 
PPP_MouseLock_Proxy(Dispatcher * dispatcher)40 PPP_MouseLock_Proxy::PPP_MouseLock_Proxy(Dispatcher* dispatcher)
41     : InterfaceProxy(dispatcher),
42       ppp_mouse_lock_impl_(NULL) {
43   if (dispatcher->IsPlugin()) {
44     ppp_mouse_lock_impl_ = static_cast<const PPP_MouseLock*>(
45         dispatcher->local_get_interface()(PPP_MOUSELOCK_INTERFACE));
46   }
47 }
48 
~PPP_MouseLock_Proxy()49 PPP_MouseLock_Proxy::~PPP_MouseLock_Proxy() {
50 }
51 
52 // static
GetProxyInterface()53 const PPP_MouseLock* PPP_MouseLock_Proxy::GetProxyInterface() {
54   return &mouse_lock_interface;
55 }
56 
OnMessageReceived(const IPC::Message & msg)57 bool PPP_MouseLock_Proxy::OnMessageReceived(const IPC::Message& msg) {
58   if (!dispatcher()->IsPlugin())
59     return false;
60 
61   bool handled = true;
62   IPC_BEGIN_MESSAGE_MAP(PPP_MouseLock_Proxy, msg)
63     IPC_MESSAGE_HANDLER(PpapiMsg_PPPMouseLock_MouseLockLost,
64                         OnMsgMouseLockLost)
65     IPC_MESSAGE_UNHANDLED(handled = false)
66   IPC_END_MESSAGE_MAP()
67   return handled;
68 }
69 
OnMsgMouseLockLost(PP_Instance instance)70 void PPP_MouseLock_Proxy::OnMsgMouseLockLost(PP_Instance instance) {
71   if (ppp_mouse_lock_impl_)
72     CallWhileUnlocked(ppp_mouse_lock_impl_->MouseLockLost, instance);
73 }
74 
75 }  // namespace proxy
76 }  // namespace ppapi
77