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Diffstat (limited to 'src/engine/QueuedEvent.hpp')
-rw-r--r-- | src/engine/QueuedEvent.hpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/src/engine/QueuedEvent.hpp b/src/engine/QueuedEvent.hpp deleted file mode 100644 index 99c5ff33..00000000 --- a/src/engine/QueuedEvent.hpp +++ /dev/null @@ -1,77 +0,0 @@ -/* This file is part of Ingen. - * Copyright 2007-2011 David Robillard <http://drobilla.net> - * - * Ingen is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef INGEN_ENGINE_QUEUEDEVENT_HPP -#define INGEN_ENGINE_QUEUEDEVENT_HPP - -#include "Event.hpp" - -namespace Ingen { -namespace Engine { - -/** An Event with a not-time-critical preprocessing stage. - * - * These events are events that aren't able to be executed immediately by the - * Jack thread (because they allocate memory or whatever). They are pushed - * on to the QueuedEventQueue where they are preprocessed then pushed on - * to the realtime Event Queue when they are ready. - * - * Lookups for these events should go in the pre_process() method, since they are - * not time critical and shouldn't waste time in the audio thread doing - * lookups they can do beforehand. (This applies for any expensive operation that - * could be done before the execute() method). - * - * \ingroup engine - */ -class QueuedEvent : public Event -{ -public: - /** Process this event into a realtime-suitable event. */ - virtual void pre_process(); - - virtual void execute(ProcessContext& context); - - /** True iff this event blocks the prepare phase of other events. */ - bool is_blocking() { return _blocking; } - - bool is_prepared() { return _pre_processed; } - -protected: - QueuedEvent(Engine& engine, - SharedPtr<Request> request, - FrameTime time, - bool blocking=false) - : Event(engine, request, time) - , _pre_processed(false) - , _blocking(blocking) - {} - - // NULL event base (for internal events only!) - explicit QueuedEvent(Engine& engine) - : Event(engine, SharedPtr<Request>(), 0) - , _pre_processed(false) - , _blocking(false) - {} - - bool _pre_processed; - bool _blocking; -}; - -} // namespace Engine -} // namespace Ingen - -#endif // INGEN_ENGINE_QUEUEDEVENT_HPP |