src/ppapi/proxy/ppp_mouse_lock_proxy.cc

   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