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 InterfaceProxy* CreateMouseLockProxy(Dispatcher* dispatcher) {
  39   return new PPP_MouseLock_Proxy(dispatcher);
  40 }
  41
  42 }  // namespace
  43
  44 PPP_MouseLock_Proxy::PPP_MouseLock_Proxy(Dispatcher* dispatcher)
  45     : InterfaceProxy(dispatcher),
  46       ppp_mouse_lock_impl_(NULL) {
  47   if (dispatcher->IsPlugin()) {
  48     ppp_mouse_lock_impl_ = static_cast<const PPP_MouseLock*>(
  49         dispatcher->local_get_interface()(PPP_MOUSELOCK_INTERFACE));
  50   }
  51 }
  52
  53 PPP_MouseLock_Proxy::~PPP_MouseLock_Proxy() {
  54 }
  55
  56 // static
  57 const InterfaceProxy::Info* PPP_MouseLock_Proxy::GetInfo() {
  58   static const Info info = {
  59     &mouse_lock_interface,
  60     PPP_MOUSELOCK_INTERFACE,
  61     API_ID_PPP_MOUSE_LOCK,
  62     false,
  63     &CreateMouseLockProxy,
  64   };
  65   return &info;
  66 }
  67
  68 bool PPP_MouseLock_Proxy::OnMessageReceived(const IPC::Message& msg) {
  69   if (!dispatcher()->IsPlugin())
  70     return false;
  71
  72   bool handled = true;
  73   IPC_BEGIN_MESSAGE_MAP(PPP_MouseLock_Proxy, msg)
  74     IPC_MESSAGE_HANDLER(PpapiMsg_PPPMouseLock_MouseLockLost,
  75                         OnMsgMouseLockLost)
  76     IPC_MESSAGE_UNHANDLED(handled = false)
  77   IPC_END_MESSAGE_MAP()
  78   return handled;
  79 }
  80
  81 void PPP_MouseLock_Proxy::OnMsgMouseLockLost(PP_Instance instance) {
  82   if (ppp_mouse_lock_impl_)
  83     CallWhileUnlocked(ppp_mouse_lock_impl_->MouseLockLost, instance);
  84 }
  85
  86 }  // namespace proxy
  87 }  // namespace ppapi