ppapi/proxy/ppp_printing_proxy.h

   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 #ifndef PPAPI_PROXY_PPP_PRINTING_PROXY_H_
   6 #define PPAPI_PROXY_PPP_PRINTING_PROXY_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "ppapi/c/dev/ppp_printing_dev.h"
  12 #include "ppapi/proxy/interface_proxy.h"
  13
  14 struct PP_PrintPageNumberRange_Dev;
  15
  16 namespace ppapi {
  17
  18 class HostResource;
  19
  20 namespace proxy {
  21
  22 class PPP_Printing_Proxy : public InterfaceProxy {
  23  public:
  24   PPP_Printing_Proxy(Dispatcher* dispatcher);
  25   virtual ~PPP_Printing_Proxy();
  26
  27   static const PPP_Printing_Dev* GetProxyInterface();
  28
  29   // InterfaceProxy implementation.
  30   virtual bool OnMessageReceived(const IPC::Message& msg);
  31
  32  private:
  33   // Message handlers.
  34   void OnPluginMsgQuerySupportedFormats(PP_Instance instance, uint32_t* result);
  35   void OnPluginMsgBegin(PP_Instance instance,
  36                         const std::string& settings_string,
  37                         int32_t* result);
  38   void OnPluginMsgPrintPages(
  39       PP_Instance instance,
  40       const std::vector<PP_PrintPageNumberRange_Dev>& pages,
  41       HostResource* result);
  42   void OnPluginMsgEnd(PP_Instance instance);
  43   void OnPluginMsgIsScalingDisabled(PP_Instance instance, bool* result);
  44
  45   // When this proxy is in the plugin side, this value caches the interface
  46   // pointer so we don't have to retrieve it from the dispatcher each time.
  47   // In the host, this value is always NULL.
  48   const PPP_Printing_Dev* ppp_printing_impl_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(PPP_Printing_Proxy);
  51 };
  52
  53 }  // namespace proxy
  54 }  // namespace ppapi
  55
  56 #endif  // PPAPI_PROXY_PPP_PRINTING_PROXY_H_
  57