mirror of
https://github.com/matrix-construct/construct
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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_M_ROOM_TIMELINE_H
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namespace ircd::m
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{
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uint64_t latency(const room::timeline &, const room::timeline &);
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}
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/// Interface to room timeline
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///
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struct ircd::m::room::timeline
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{
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struct coord;
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using closure = std::function<bool (const coord &, const event::idx &)>;
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m::room room;
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public:
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bool has_past(const event::id &) const;
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bool has_future(const event::id &) const;
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bool for_each(const closure &, const coord &branch) const;
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timeline(const m::room &);
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timeline() = default;
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timeline(const timeline &) = delete;
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timeline &operator=(const timeline &) = delete;
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static void rebuild(const m::room &);
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};
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struct ircd::m::room::timeline::coord
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{
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int64_t x {0};
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int64_t y {0};
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};
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