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      1 /*
      2  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #ifndef RenderProgress_h
     22 #define RenderProgress_h
     23 
     24 #if ENABLE(PROGRESS_TAG)
     25 #include "RenderBlock.h"
     26 
     27 namespace WebCore {
     28 
     29 class HTMLProgressElement;
     30 
     31 class RenderProgress : public RenderBlock {
     32 public:
     33     RenderProgress(HTMLProgressElement*);
     34     virtual ~RenderProgress();
     35 
     36     double position() const { return m_position; }
     37     double animationProgress() const;
     38     double animationStartTime() const { return m_animationStartTime; }
     39 
     40     bool isDeterminate() const;
     41 
     42     HTMLProgressElement* progressElement() const;
     43 
     44 private:
     45     virtual const char* renderName() const { return "RenderProgress"; }
     46     virtual bool isProgress() const { return true; }
     47     virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
     48     virtual bool canHaveChildren() const { return false; }
     49     virtual void updateFromElement();
     50 
     51     void animationTimerFired(Timer<RenderProgress>*);
     52     void updateAnimationState();
     53 
     54     double m_position;
     55     double m_animationStartTime;
     56     double m_animationRepeatInterval;
     57     double m_animationDuration;
     58     bool m_animating;
     59     Timer<RenderProgress> m_animationTimer;
     60 };
     61 
     62 inline RenderProgress* toRenderProgress(RenderObject* object)
     63 {
     64     ASSERT(!object || object->isProgress());
     65     return static_cast<RenderProgress*>(object);
     66 }
     67 
     68 // This will catch anyone doing an unnecessary cast.
     69 void toRenderProgress(const RenderProgress*);
     70 
     71 } // namespace WebCore
     72 
     73 #endif
     74 
     75 #endif // RenderProgress_h
     76 
     77