70a235dd55
Change-Id: I5e97231e250dd65f692c2626b2d74494c59743d6 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/93873 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERTIMER_HXX
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#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERTIMER_HXX
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#include <com/sun/star/awt/XCallback.hpp>
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#include <com/sun/star/awt/XRequestCallback.hpp>
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#include <cppuhelper/basemutex.hxx>
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#include <cppuhelper/compbase.hxx>
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#include <osl/mutex.hxx>
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#include <osl/time.h>
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#include <rtl/ref.hxx>
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#include <sal/types.h>
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#include <functional>
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#include <memory>
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#include <vector>
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namespace com::sun::star::uno { class XComponentContext; }
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namespace sdext::presenter {
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/** The timer allows tasks to be scheduled for execution at a specified time
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in the future.
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*/
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class PresenterTimer
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{
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public:
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/** A task is called with the current time.
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*/
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typedef ::std::function<void (const TimeValue&)> Task;
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static const sal_Int32 NotAValidTaskId = 0;
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/** Schedule a task to be executed repeatedly. The task is executed the
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first time after nFirst nano-seconds (1000000000 corresponds to one
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second). After that task is executed in intervals that are
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nInterval ns long until CancelTask is called.
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*/
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static sal_Int32 ScheduleRepeatedTask (
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const css::uno::Reference<css::uno::XComponentContext>& xContext,
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const Task& rTask,
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const sal_Int64 nFirst,
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const sal_Int64 nInterval);
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static void CancelTask (const sal_Int32 nTaskId);
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};
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typedef cppu::WeakComponentImplHelper<
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css::awt::XCallback
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> PresenterClockTimerInterfaceBase;
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/** A timer that calls its listeners, typically clocks, every second to
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update their current time value.
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*/
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class PresenterClockTimer
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: protected ::cppu::BaseMutex,
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public PresenterClockTimerInterfaceBase
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{
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public:
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class Listener {
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public:
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virtual void TimeHasChanged (const oslDateTime& rCurrentTime) = 0;
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protected:
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~Listener() {}
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};
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typedef std::shared_ptr<Listener> SharedListener;
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static ::rtl::Reference<PresenterClockTimer> Instance (
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const css::uno::Reference<css::uno::XComponentContext>& rxContext);
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void AddListener (const SharedListener& rListener);
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void RemoveListener (const SharedListener& rListener);
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static oslDateTime GetCurrentTime();
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// XCallback
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virtual void SAL_CALL notify (const css::uno::Any& rUserData) override;
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private:
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static ::rtl::Reference<PresenterClockTimer> mpInstance;
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::osl::Mutex maMutex;
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typedef ::std::vector<SharedListener> ListenerContainer;
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ListenerContainer maListeners;
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oslDateTime maDateTime;
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sal_Int32 mnTimerTaskId;
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bool mbIsCallbackPending;
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css::uno::Reference<css::awt::XRequestCallback> mxRequestCallback;
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const css::uno::Reference<css::uno::XComponentContext> m_xContext;
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PresenterClockTimer (
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const css::uno::Reference<css::uno::XComponentContext>& rxContext);
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virtual ~PresenterClockTimer() override;
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void CheckCurrentTime (const TimeValue& rCurrentTime);
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};
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} // end of namespace ::sdext::presenter
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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