ppapi/proxy/ppp_class_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_CLASS_PROXY_H_
   6 #define PPAPI_PROXY_PPP_CLASS_PROXY_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "ppapi/c/pp_instance.h"
  12 #include "ppapi/c/pp_var.h"
  13 #include "ppapi/proxy/interface_proxy.h"
  14
  15 struct PPB_Var_Deprecated;
  16
  17 namespace ppapi {
  18 namespace proxy {
  19
  20 class SerializedVar;
  21 class SerializedVarReceiveInput;
  22 class SerializedVarVectorReceiveInput;
  23 class SerializedVarOutParam;
  24 class SerializedVarReturnValue;
  25
  26 class PPP_Class_Proxy : public InterfaceProxy {
  27  public:
  28   // PPP_Class isn't a normal interface that you can query for, so this
  29   // constructor doesn't take an interface pointer.
  30   explicit PPP_Class_Proxy(Dispatcher* dispatcher);
  31   virtual ~PPP_Class_Proxy();
  32
  33   // Factory function used for registration (normal code can just use the
  34   // constructor).
  35   static InterfaceProxy* Create(Dispatcher* dispatcher);
  36
  37   // Creates a proxied object in the browser process. This takes the browser's
  38   // PPB_Var_Deprecated interface to use to create the object. The class and
  39   static PP_Var CreateProxiedObject(const PPB_Var_Deprecated* var,
  40                                     Dispatcher* dispatcher,
  41                                     PP_Instance instance_id,
  42                                     int64 ppp_class,
  43                                     int64 class_data);
  44
  45   static PP_Bool IsInstanceOf(const PPB_Var_Deprecated* ppb_var_impl,
  46                               const PP_Var& var,
  47                               int64 ppp_class,
  48                               int64* ppp_class_data);
  49
  50   // InterfaceProxy implementation.
  51   virtual bool OnMessageReceived(const IPC::Message& msg);
  52
  53  private:
  54   // IPC message handlers.
  55   void OnMsgHasProperty(int64 ppp_class, int64 object,
  56                         SerializedVarReceiveInput property,
  57                         SerializedVarOutParam exception,
  58                         bool* result);
  59   void OnMsgHasMethod(int64 ppp_class, int64 object,
  60                       SerializedVarReceiveInput property,
  61                       SerializedVarOutParam exception,
  62                       bool* result);
  63   void OnMsgGetProperty(int64 ppp_class, int64 object,
  64                         SerializedVarReceiveInput property,
  65                         SerializedVarOutParam exception,
  66                         SerializedVarReturnValue result);
  67   void OnMsgEnumerateProperties(
  68       int64 ppp_class, int64 object,
  69       std::vector<SerializedVar>* props,
  70       SerializedVarOutParam exception);
  71   void OnMsgSetProperty(int64 ppp_class, int64 object,
  72                         SerializedVarReceiveInput property,
  73                         SerializedVarReceiveInput value,
  74                         SerializedVarOutParam exception);
  75   void OnMsgRemoveProperty(int64 ppp_class, int64 object,
  76                            SerializedVarReceiveInput property,
  77                            SerializedVarOutParam exception);
  78   void OnMsgCall(int64 ppp_class, int64 object,
  79                  SerializedVarReceiveInput method_name,
  80                  SerializedVarVectorReceiveInput arg_vector,
  81                  SerializedVarOutParam exception,
  82                  SerializedVarReturnValue result);
  83   void OnMsgConstruct(int64 ppp_class, int64 object,
  84                       SerializedVarVectorReceiveInput arg_vector,
  85                       SerializedVarOutParam exception,
  86                       SerializedVarReturnValue result);
  87   void OnMsgDeallocate(int64 ppp_class, int64 object);
  88
  89   // Returns true if the given class/data points to a plugin-implemented
  90   // object. On failure, the exception, if non-NULL, will also be set.
  91   bool ValidateUserData(int64 ppp_class, int64 class_data,
  92                         SerializedVarOutParam* exception);
  93
  94   DISALLOW_COPY_AND_ASSIGN(PPP_Class_Proxy);
  95 };
  96
  97 }  // namespace proxy
  98 }  // namespace ppapi
  99
 100 #endif  // PPAPI_PROXY_PPP_CLASS_PROXY_H_