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      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
     78