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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /sdext/source/presenter/PresenterTimer.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.tar.xz libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sdext/source/presenter/PresenterTimer.hxx')
-rw-r--r-- | sdext/source/presenter/PresenterTimer.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterTimer.hxx b/sdext/source/presenter/PresenterTimer.hxx new file mode 100644 index 000000000..1c2b6530b --- /dev/null +++ b/sdext/source/presenter/PresenterTimer.hxx @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERTIMER_HXX +#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERTIMER_HXX + +#include <com/sun/star/awt/XCallback.hpp> +#include <com/sun/star/awt/XRequestCallback.hpp> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> +#include <osl/mutex.hxx> +#include <osl/time.h> +#include <rtl/ref.hxx> +#include <sal/types.h> + +#include <functional> +#include <memory> +#include <vector> + +namespace com::sun::star::uno { class XComponentContext; } + +namespace sdext::presenter { + +/** The timer allows tasks to be scheduled for execution at a specified time + in the future. +*/ +class PresenterTimer +{ +public: + /** A task is called with the current time. + */ + typedef ::std::function<void (const TimeValue&)> Task; + + static const sal_Int32 NotAValidTaskId = 0; + + /** Schedule a task to be executed repeatedly. The task is executed the + first time after nFirst nano-seconds (1000000000 corresponds to one + second). After that task is executed in intervals that are + nInterval ns long until CancelTask is called. + */ + static sal_Int32 ScheduleRepeatedTask ( + const css::uno::Reference<css::uno::XComponentContext>& xContext, + const Task& rTask, + const sal_Int64 nFirst, + const sal_Int64 nInterval); + + static void CancelTask (const sal_Int32 nTaskId); +}; + +typedef cppu::WeakComponentImplHelper< + css::awt::XCallback + > PresenterClockTimerInterfaceBase; + +/** A timer that calls its listeners, typically clocks, every second to + update their current time value. +*/ +class PresenterClockTimer + : protected ::cppu::BaseMutex, + public PresenterClockTimerInterfaceBase +{ +public: + class Listener { + public: + virtual void TimeHasChanged (const oslDateTime& rCurrentTime) = 0; + + protected: + ~Listener() {} + }; + typedef std::shared_ptr<Listener> SharedListener; + + static ::rtl::Reference<PresenterClockTimer> Instance ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext); + + void AddListener (const SharedListener& rListener); + void RemoveListener (const SharedListener& rListener); + + static oslDateTime GetCurrentTime(); + + // XCallback + + virtual void SAL_CALL notify (const css::uno::Any& rUserData) override; + +private: + static ::rtl::Reference<PresenterClockTimer> mpInstance; + + ::osl::Mutex maMutex; + typedef ::std::vector<SharedListener> ListenerContainer; + ListenerContainer maListeners; + oslDateTime maDateTime; + sal_Int32 mnTimerTaskId; + bool mbIsCallbackPending; + css::uno::Reference<css::awt::XRequestCallback> mxRequestCallback; + const css::uno::Reference<css::uno::XComponentContext> m_xContext; + + PresenterClockTimer ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext); + virtual ~PresenterClockTimer() override; + + void CheckCurrentTime (const TimeValue& rCurrentTime); +}; + +} // end of namespace ::sdext::presenter + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |