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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_PROXY_PROXY_OBJECT_VAR_H_
#define PPAPI_PROXY_PROXY_OBJECT_VAR_H_
#include "base/compiler_specific.h"
#include "ppapi/proxy/ppapi_proxy_export.h"
#include "ppapi/shared_impl/var.h"
namespace ppapi {
namespace proxy {
class PluginDispatcher;
} // namespace proxy
// Tracks a reference to an object var in the plugin side of the proxy. This
// just stores the dispatcher and host var ID, and provides the interface for
// integrating this with PP_Var creation.
class PPAPI_PROXY_EXPORT ProxyObjectVar : public Var {
public:
ProxyObjectVar(proxy::PluginDispatcher* dispatcher,
int32 host_var_id);
virtual ~ProxyObjectVar();
// Var overrides.
virtual ProxyObjectVar* AsProxyObjectVar() OVERRIDE;
virtual PP_VarType GetType() const OVERRIDE;
proxy::PluginDispatcher* dispatcher() const { return dispatcher_; }
int32 host_var_id() const { return host_var_id_; }
void* user_data() const { return user_data_; }
void set_user_data(void* ud) { user_data_ = ud; }
// Expose AssignVarID on Var so the PluginResourceTracker can call us when
// it's creating IDs.
void AssignVarID(int32 id);
void clear_dispatcher() { dispatcher_ = NULL; }
private:
proxy::PluginDispatcher* dispatcher_;
int32 host_var_id_;
// When this object is created as representing a var implemented by the
// plugin, this stores the user data so that we can look it up later. See
// PluginVarTracker.
void* user_data_;
DISALLOW_COPY_AND_ASSIGN(ProxyObjectVar);
};
} // namespace ppapi
#endif // PPAPI_PROXY_PROXY_OBJECT_VAR_H_
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