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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)
     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 
     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 
     49 PPP_MouseLock_Proxy::~PPP_MouseLock_Proxy() {
     50 }
     51 
     52 // static
     53 const PPP_MouseLock* PPP_MouseLock_Proxy::GetProxyInterface() {
     54   return &mouse_lock_interface;
     55 }
     56 
     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 
     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