diff options
author | Vladimir Glazounov <vg@openoffice.org> | 2008-05-13 13:39:38 +0000 |
---|---|---|
committer | Vladimir Glazounov <vg@openoffice.org> | 2008-05-13 13:39:38 +0000 |
commit | 6a5ffdc7099c94a880fed3cd5ffd05fdbae80574 (patch) | |
tree | 963fdc2665a24c571a4243758cebd5add98a136d /sdext/source/presenter/PresenterTimer.hxx | |
parent | 262c232ab25ef4eaac4a3045e15e04b43eecc752 (diff) |
INTEGRATION: CWS presenterscreen (1.1.2); FILE ADDED
2008/05/13 13:51:01 af 1.1.2.7: #i18486# Updated license header.
2008/04/30 08:40:14 af 1.1.2.6: #i88832# Timing thread is not joined anymore.
2008/04/24 12:48:59 af 1.1.2.5: #i18486# Post user events to further avoid dead locks.
2008/04/22 08:38:22 af 1.1.2.4: #i18486# Made timer more thread safe.
2008/04/18 14:52:29 af 1.1.2.3: #i18486# Changed implementation of PresenterTimer.
2008/04/17 14:36:43 af 1.1.2.2: #i18486# Fixed Solaris build problems.
2008/04/16 15:01:00 af 1.1.2.1: #i18486# Initial revision.
Diffstat (limited to 'sdext/source/presenter/PresenterTimer.hxx')
-rw-r--r-- | sdext/source/presenter/PresenterTimer.hxx | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterTimer.hxx b/sdext/source/presenter/PresenterTimer.hxx new file mode 100644 index 000000000000..a5c111965917 --- /dev/null +++ b/sdext/source/presenter/PresenterTimer.hxx @@ -0,0 +1,142 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: PresenterTimer.hxx,v $ + * + * $Revision: 1.2 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef SDEXT_PRESENTER_TIMER_HXX +#define SDEXT_PRESENTER_TIMER_HXX + +#include <com/sun/star/awt/XCallback.hpp> +#include <com/sun/star/awt/XRequestCallback.hpp> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase1.hxx> +#include <osl/mutex.hxx> +#include <osl/time.h> +#include <rtl/ref.hxx> +#include <sal/types.h> +#include <boost/enable_shared_from_this.hpp> +#include <boost/function.hpp> +#include <vector> + +namespace css = ::com::sun::star; + +namespace sdext { namespace presenter { + +class PresenterClockInternalTimer; + +/** 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 ::boost::function<void(const TimeValue&)> Task; + + static const sal_Int32 NotAValidTaskId = 0; + + static sal_Int32 ScheduleSingleTaskRelative ( + const Task& rTask, + const sal_Int64 nDelay); + + static sal_Int32 ScheduleSingleTaskAbsolute ( + const Task& rTask, + const TimeValue& rDueTime); + + static sal_Int32 ScheduleRepeatedTask ( + const Task& rTask, + const sal_Int64 nFirst, + const sal_Int64 nIntervall); + + static void CancelTask (const sal_Int32 nTaskId); +}; + + + +typedef cppu::WeakComponentImplHelper1< + 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; + }; + typedef ::boost::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 (void); + + /** Return the difference between the two different times in + nanoseconds. + */ + static sal_Int64 GetTimeDifference (const oslDateTime& rNow, const oslDateTime& rThen); + + // XCallback + + virtual void SAL_CALL notify (const css::uno::Any& rUserData) + throw (css::uno::RuntimeException); + +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; + + PresenterClockTimer ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext); + ~PresenterClockTimer (void); + + void CheckCurrentTime (const TimeValue& rCurrentTime); +}; + + + + + +} } // end of namespace ::sdext::presenter + +#endif |