ppapi/proxy/ppp_pdf_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_pdf_proxy.h"
   6
   7 #include "ppapi/proxy/host_dispatcher.h"
   8 #include "ppapi/proxy/ppapi_messages.h"
   9 #include "ppapi/shared_impl/proxy_lock.h"
  10
  11 namespace ppapi {
  12 namespace proxy {
  13
  14 namespace {
  15
  16 #if !defined(OS_NACL)
  17 PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
  18   // This isn't implemented in the out of process case.
  19   return PP_MakeUndefined();
  20 }
  21
  22 void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
  23   bool clockwise = type == PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW;
  24   HostDispatcher::GetForInstance(instance)->Send(
  25       new PpapiMsg_PPPPdf_Rotate(API_ID_PPP_PDF, instance, clockwise));
  26 }
  27
  28 const PPP_Pdf ppp_pdf_interface = {
  29   &GetLinkAtPosition,
  30   &Transform,
  31 };
  32 #else
  33 // The NaCl plugin doesn't need the host side interface - stub it out.
  34 const PPP_Pdf ppp_pdf_interface = {};
  35 #endif
  36
  37 }  // namespace
  38
  39 PPP_Pdf_Proxy::PPP_Pdf_Proxy(Dispatcher* dispatcher)
  40     : InterfaceProxy(dispatcher),
  41       ppp_pdf_(NULL) {
  42   if (dispatcher->IsPlugin()) {
  43     ppp_pdf_ = static_cast<const PPP_Pdf*>(
  44         dispatcher->local_get_interface()(PPP_PDF_INTERFACE));
  45   }
  46 }
  47
  48 PPP_Pdf_Proxy::~PPP_Pdf_Proxy() {
  49 }
  50
  51 // static
  52 const PPP_Pdf* PPP_Pdf_Proxy::GetProxyInterface() {
  53   return &ppp_pdf_interface;
  54 }
  55
  56 bool PPP_Pdf_Proxy::OnMessageReceived(const IPC::Message& msg) {
  57   if (!dispatcher()->IsPlugin())
  58     return false;
  59
  60   bool handled = true;
  61   IPC_BEGIN_MESSAGE_MAP(PPP_Pdf_Proxy, msg)
  62     IPC_MESSAGE_HANDLER(PpapiMsg_PPPPdf_Rotate, OnPluginMsgRotate)
  63     IPC_MESSAGE_UNHANDLED(handled = false)
  64   IPC_END_MESSAGE_MAP()
  65   return handled;
  66 }
  67
  68 void PPP_Pdf_Proxy::OnPluginMsgRotate(PP_Instance instance, bool clockwise) {
  69   PP_PrivatePageTransformType type = clockwise ?
  70       PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW :
  71       PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW;
  72   if (ppp_pdf_)
  73     CallWhileUnlocked(ppp_pdf_->Transform, instance, type);
  74 }
  75
  76 }  // namespace proxy
  77 }  // namespace ppapi