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// Copyright 2013 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 GIN_PER_CONTEXT_DATA_H_
#define GIN_PER_CONTEXT_DATA_H_
#include <vector>
#include "base/basictypes.h"
#include "v8/include/v8.h"
namespace gin {
class ContextSupplement {
public:
ContextSupplement();
virtual ~ContextSupplement();
virtual void Detach(v8::Handle<v8::Context> context) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(ContextSupplement);
};
class PerContextData {
public:
explicit PerContextData(v8::Handle<v8::Context> context);
~PerContextData();
// Can return NULL after the ContextHolder has detached from context.
static PerContextData* From(v8::Handle<v8::Context>);
void Detach(v8::Handle<v8::Context> context);
// Takes ownership of the supplement.
void AddSupplement(ContextSupplement* supplement);
private:
typedef std::vector<ContextSupplement*> SuplementVector;
// Owning reference.
SuplementVector supplements_;
DISALLOW_COPY_AND_ASSIGN(PerContextData);
};
} // namespace gin
#endif // GIN_PER_CONTEXT_DATA_H_
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