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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 IPC_MESSAGE_FILTER_ROUTER_H_
#define IPC_MESSAGE_FILTER_ROUTER_H_
#include <array>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "ipc/ipc_message_start.h"
namespace IPC {
class Message;
class MessageFilter;
class MessageFilterRouter {
public:
typedef std::vector<raw_ptr<MessageFilter, VectorExperimental>>
MessageFilters;
MessageFilterRouter();
~MessageFilterRouter();
void AddFilter(MessageFilter* filter);
void RemoveFilter(MessageFilter* filter);
bool TryFilters(const Message& message);
void Clear();
private:
// List of global and selective filters; a given filter will exist in either
// |message_global_filters_| OR |message_class_filters_|, but not both.
// Note that |message_global_filters_| will be given first offering of any
// given message. It's the filter implementer and installer's
// responsibility to ensure that a filter is either global or selective to
// ensure proper message filtering order.
MessageFilters global_filters_;
std::array<MessageFilters, LastIPCMsgStart> message_class_filters_;
};
} // namespace IPC
#endif // IPC_MESSAGE_FILTER_ROUTER_H_
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