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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 "base/macros.h"
#include "base/supports_user_data.h"
#include "gin/gin_export.h"
#include "v8/include/v8.h"
namespace gin {
class ContextHolder;
class Runner;
// There is one instance of PerContextData per v8::Context managed by Gin. This
// class stores all the Gin-related data that varies per context. Arbitrary data
// can be associated with this class by way of the SupportsUserData methods.
// Instances of this class (and any associated user data) are destroyed before
// the associated v8::Context.
class GIN_EXPORT PerContextData : public base::SupportsUserData {
public:
PerContextData(ContextHolder* context_holder,
v8::Local<v8::Context> context);
~PerContextData() override;
// Can return NULL after the ContextHolder has detached from context.
static PerContextData* From(v8::Local<v8::Context> context);
// The Runner associated with this context. To execute script in this context,
// please use the appropriate API on Runner.
Runner* runner() const { return runner_; }
void set_runner(Runner* runner) { runner_ = runner; }
ContextHolder* context_holder() { return context_holder_; }
private:
ContextHolder* context_holder_;
Runner* runner_;
DISALLOW_COPY_AND_ASSIGN(PerContextData);
};
} // namespace gin
#endif // GIN_PER_CONTEXT_DATA_H_
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