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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GIN_INTERCEPTOR_H_
#define GIN_INTERCEPTOR_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "gin/gin_export.h"
#include "gin/wrappable.h"
#include "v8/include/v8-forward.h"
namespace gin {
class GIN_EXPORT NamedPropertyInterceptor {
public:
NamedPropertyInterceptor() = default;
NamedPropertyInterceptor(const NamedPropertyInterceptor&) = delete;
NamedPropertyInterceptor& operator=(const NamedPropertyInterceptor&) = delete;
virtual ~NamedPropertyInterceptor() = default;
// Return non-empty handle if the get was interecepted.
virtual v8::Local<v8::Value> GetNamedProperty(v8::Isolate* isolate,
const std::string& property);
// Return true if the set was interecepted.
virtual bool SetNamedProperty(v8::Isolate* isolate,
const std::string& property,
v8::Local<v8::Value> value);
virtual std::vector<std::string> EnumerateNamedProperties(
v8::Isolate* isolate);
};
// Base class for gin::Wrappable-derived classes that want to implement a
// property interceptor.
template <typename T>
class GIN_EXPORT WrappableWithNamedPropertyInterceptor
: public Wrappable<T>,
public NamedPropertyInterceptor {
public:
WrappableWithNamedPropertyInterceptor() = default;
WrappableWithNamedPropertyInterceptor(
const WrappableWithNamedPropertyInterceptor&) = delete;
WrappableWithNamedPropertyInterceptor& operator=(
const WrappableWithNamedPropertyInterceptor&) = delete;
~WrappableWithNamedPropertyInterceptor() override = default;
NamedPropertyInterceptor* GetNamedPropertyInterceptor() override {
return static_cast<NamedPropertyInterceptor*>(this);
}
};
} // namespace gin
#endif // GIN_INTERCEPTOR_H_
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