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 PP_Bool GetPrintPresetOptionsFromDocument(
  29     PP_Instance instance,
  30     PP_PdfPrintPresetOptions_Dev* options) {
  31   PP_Bool ret = PP_FALSE;
  32   HostDispatcher::GetForInstance(instance)
  33       ->Send(new PpapiMsg_PPPPdf_PrintPresetOptions(
  34           API_ID_PPP_PDF, instance, options, &ret));
  35   return ret;
  36 }
  37
  38 const PPP_Pdf ppp_pdf_interface = {
  39   &GetLinkAtPosition,
  40   &Transform,
  41   &GetPrintPresetOptionsFromDocument
  42 };
  43 #else
  44 // The NaCl plugin doesn't need the host side interface - stub it out.
  45 const PPP_Pdf ppp_pdf_interface = {};
  46 #endif
  47
  48 }  // namespace
  49
  50 PPP_Pdf_Proxy::PPP_Pdf_Proxy(Dispatcher* dispatcher)
  51     : InterfaceProxy(dispatcher),
  52       ppp_pdf_(NULL) {
  53   if (dispatcher->IsPlugin()) {
  54     ppp_pdf_ = static_cast<const PPP_Pdf*>(
  55         dispatcher->local_get_interface()(PPP_PDF_INTERFACE));
  56   }
  57 }
  58
  59 PPP_Pdf_Proxy::~PPP_Pdf_Proxy() {
  60 }
  61
  62 // static
  63 const PPP_Pdf* PPP_Pdf_Proxy::GetProxyInterface() {
  64   return &ppp_pdf_interface;
  65 }
  66
  67 bool PPP_Pdf_Proxy::OnMessageReceived(const IPC::Message& msg) {
  68   if (!dispatcher()->IsPlugin())
  69     return false;
  70
  71   bool handled = true;
  72   IPC_BEGIN_MESSAGE_MAP(PPP_Pdf_Proxy, msg)
  73     IPC_MESSAGE_HANDLER(PpapiMsg_PPPPdf_Rotate, OnPluginMsgRotate)
  74     IPC_MESSAGE_HANDLER(PpapiMsg_PPPPdf_PrintPresetOptions,
  75                         OnPluginMsgPrintPresetOptions)
  76     IPC_MESSAGE_UNHANDLED(handled = false)
  77   IPC_END_MESSAGE_MAP()
  78   return handled;
  79 }
  80
  81 void PPP_Pdf_Proxy::OnPluginMsgRotate(PP_Instance instance, bool clockwise) {
  82   PP_PrivatePageTransformType type = clockwise ?
  83       PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW :
  84       PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW;
  85   if (ppp_pdf_)
  86     CallWhileUnlocked(ppp_pdf_->Transform, instance, type);
  87 }
  88
  89 void PPP_Pdf_Proxy::OnPluginMsgPrintPresetOptions(
  90     PP_Instance instance,
  91     PP_PdfPrintPresetOptions_Dev* options,
  92     PP_Bool* result) {
  93   if (ppp_pdf_) {
  94     *result = CallWhileUnlocked(
  95         ppp_pdf_->GetPrintPresetOptionsFromDocument, instance, options);
  96   }
  97 }
  98
  99 }  // namespace proxy
 100 }  // namespace ppapi