ppapi/proxy/proxy_object_var.h

   1 // Copyright (c) 2011 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_PROXY_OBJECT_VAR_H_
   6 #define PPAPI_PROXY_PROXY_OBJECT_VAR_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ppapi/shared_impl/var.h"
  10
  11 namespace ppapi {
  12
  13 namespace proxy {
  14 class PluginDispatcher;
  15 }  // namespace proxy
  16
  17 // Tracks a reference to an object var in the plugin side of the proxy. This
  18 // just stores the dispatcher and host var ID, and provides the interface for
  19 // integrating this with PP_Var creation.
  20 class ProxyObjectVar : public Var {
  21  public:
  22   ProxyObjectVar(proxy::PluginDispatcher* dispatcher,
  23                  int32 host_var_id);
  24
  25   virtual ~ProxyObjectVar();
  26
  27   // Var overrides.
  28   virtual ProxyObjectVar* AsProxyObjectVar() OVERRIDE;
  29   virtual PP_Var GetPPVar() OVERRIDE;
  30   virtual PP_VarType GetType() const OVERRIDE;
  31
  32   proxy::PluginDispatcher* dispatcher() const { return dispatcher_; }
  33   int32 host_var_id() const { return host_var_id_; }
  34
  35   // Expose AssignVarID on Var so the PluginResourceTracker can call us when
  36   // it's creating IDs.
  37   void AssignVarID(int32 id);
  38
  39  private:
  40   proxy::PluginDispatcher* dispatcher_;
  41   int32 host_var_id_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(ProxyObjectVar);
  44 };
  45
  46 }  // namespace ppapi
  47
  48 #endif  // PPAPI_PROXY_PROXY_OBJECT_VAR_H_