ppapi/proxy/ppp_find_proxy.cc

   1 // Copyright 2014 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_find_proxy.h"
   6
   7 #include "ppapi/proxy/host_dispatcher.h"
   8 #include "ppapi/proxy/ppapi_messages.h"
   9 #include "ppapi/shared_impl/api_id.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 PP_Bool StartFind(PP_Instance instance,
  19                   const char* text,
  20                   PP_Bool case_sensitive) {
  21   DCHECK(case_sensitive == PP_FALSE);
  22   HostDispatcher::GetForInstance(instance)->Send(
  23       new PpapiPluginMsg_PPPFind_StartFind(API_ID_PPP_FIND_PRIVATE,
  24                                            instance,
  25                                            text));
  26   return PP_TRUE;
  27 }
  28
  29 void SelectFindResult(PP_Instance instance,
  30                       PP_Bool forward) {
  31   HostDispatcher::GetForInstance(instance)->Send(
  32       new PpapiPluginMsg_PPPFind_SelectFindResult(API_ID_PPP_FIND_PRIVATE,
  33                                                   instance, forward));
  34 }
  35
  36 void StopFind(PP_Instance instance) {
  37   HostDispatcher::GetForInstance(instance)->Send(
  38       new PpapiPluginMsg_PPPFind_StopFind(API_ID_PPP_FIND_PRIVATE, instance));
  39 }
  40
  41 const PPP_Find_Private ppp_find_interface = {
  42   &StartFind,
  43   &SelectFindResult,
  44   &StopFind
  45 };
  46 #else
  47 // The NaCl plugin doesn't need the host side interface - stub it out.
  48 const PPP_Find_Private ppp_find_interface = {};
  49 #endif
  50
  51 }  // namespace
  52
  53 PPP_Find_Proxy::PPP_Find_Proxy(Dispatcher* dispatcher)
  54     : InterfaceProxy(dispatcher),
  55       ppp_find_(NULL) {
  56   if (dispatcher->IsPlugin()) {
  57     ppp_find_ = static_cast<const PPP_Find_Private*>(
  58         dispatcher->local_get_interface()(PPP_FIND_PRIVATE_INTERFACE));
  59   }
  60 }
  61
  62 PPP_Find_Proxy::~PPP_Find_Proxy() {
  63 }
  64
  65 // static
  66 const PPP_Find_Private* PPP_Find_Proxy::GetProxyInterface() {
  67   return &ppp_find_interface;
  68 }
  69
  70 bool PPP_Find_Proxy::OnMessageReceived(const IPC::Message& msg) {
  71   if (!dispatcher()->IsPlugin())
  72     return false;
  73
  74   bool handled = true;
  75   IPC_BEGIN_MESSAGE_MAP(PPP_Find_Proxy, msg)
  76     IPC_MESSAGE_HANDLER(PpapiPluginMsg_PPPFind_StartFind, OnPluginMsgStartFind)
  77     IPC_MESSAGE_HANDLER(PpapiPluginMsg_PPPFind_SelectFindResult,
  78                         OnPluginMsgSelectFindResult)
  79     IPC_MESSAGE_HANDLER(PpapiPluginMsg_PPPFind_StopFind, OnPluginMsgStopFind)
  80     IPC_MESSAGE_UNHANDLED(handled = false)
  81   IPC_END_MESSAGE_MAP()
  82   return handled;
  83 }
  84
  85 void PPP_Find_Proxy::OnPluginMsgStartFind(PP_Instance instance,
  86                                           const std::string& text) {
  87   if (ppp_find_)
  88     CallWhileUnlocked(ppp_find_->StartFind, instance, text.c_str(), PP_FALSE);
  89 }
  90
  91 void PPP_Find_Proxy::OnPluginMsgSelectFindResult(PP_Instance instance,
  92                                                  PP_Bool forward) {
  93   if (ppp_find_)
  94     CallWhileUnlocked(ppp_find_->SelectFindResult, instance, forward);
  95 }
  96
  97 void PPP_Find_Proxy::OnPluginMsgStopFind(PP_Instance instance) {
  98   if (ppp_find_)
  99     CallWhileUnlocked(ppp_find_->StopFind, instance);
 100 }
 101
 102 }  // namespace proxy
 103 }  // namespace ppapi