1 /*

     2     Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>

     3                   2004, 2005 Rob Buis <buis@kde.org>

     4     Copyright (C) 2006 Apple Computer, Inc.

     5 

     6     This file is part of the KDE project

     7 

     8     This library is free software; you can redistribute it and/or

     9     modify it under the terms of the GNU Library General Public

    10     License as published by the Free Software Foundation; either

    11     version 2 of the License, or (at your option) any later version.

    12 

    13     This library is distributed in the hope that it will be useful,

    14     but WITHOUT ANY WARRANTY; without even the implied warranty of

    15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    16     Library General Public License for more details.

    17 

    18     You should have received a copy of the GNU Library General Public License

    19     along with this library; see the file COPYING.LIB.  If not, write to

    20     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    21     Boston, MA 02110-1301, USA.

    22 */

    23 

    24 #ifndef TimeScheduler_h

    25 #define TimeScheduler_h

    26 #if ENABLE(SVG)

    27 

    28 #include <wtf/HashSet.h>

    29 

    30 namespace WebCore {

    31     class Document;

    32     class SVGAnimationElement;

    33     class SVGTimer;

    34 

    35     template <typename T> class Timer;

    36 

    37     typedef HashSet<SVGTimer*> SVGTimerSet;

    38 

    39     class TimeScheduler {

    40     public:

    41         TimeScheduler(Document*);

    42         ~TimeScheduler();

    43 

    44         // Adds singleShot Timers

    45         void addTimer(SVGAnimationElement*, unsigned int ms);

    46 

    47         // (Dis-)Connects to interval timer with 'staticTimerInterval'

    48         void connectIntervalTimer(SVGAnimationElement*);

    49         void disconnectIntervalTimer(SVGAnimationElement*);

    50 

    51         void startAnimations();

    52         void toggleAnimations();

    53         bool animationsPaused() const;

    54 

    55         // time elapsed in seconds after creation of this object

    56         double elapsed() const;

    57 

    58     private:

    59         friend class SVGTimer;

    60         void timerFired(Timer<TimeScheduler>*);

    61         Document* document() const { return m_document; }

    62 

    63     private:

    64         double m_creationTime;

    65         double m_savedTime;

    66         

    67         SVGTimerSet m_timerSet;

    68         

    69         SVGTimer* m_intervalTimer;

    70         Document* m_document;

    71     };

    72 }

    73 

    74 #endif // ENABLE(SVG)

    75 #endif

    76 

    77 // vim:ts=4:noet