third_party/WebKit/Source/core/layout/LayoutProgress.h

   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 LayoutProgress_h
  22 #define LayoutProgress_h
  23
  24 #include "core/CoreExport.h"
  25 #include "core/layout/LayoutBlockFlow.h"
  26
  27 namespace blink {
  28
  29 class HTMLProgressElement;
  30
  31 class CORE_EXPORT LayoutProgress final : public LayoutBlockFlow {
  32 public:
  33     explicit LayoutProgress(HTMLElement*);
  34     ~LayoutProgress() override;
  35
  36     double position() const { return m_position; }
  37     double animationProgress() const;
  38
  39     bool isDeterminate() const;
  40     void updateFromElement() override;
  41
  42     HTMLProgressElement* progressElement() const;
  43
  44     const char* name() const override { return "LayoutProgress"; }
  45
  46 protected:
  47     void willBeDestroyed() override;
  48
  49 private:
  50     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectProgress || LayoutBlockFlow::isOfType(type); }
  51
  52     void animationTimerFired(Timer<LayoutProgress>*);
  53     void updateAnimationState();
  54
  55     double m_position;
  56     double m_animationStartTime;
  57     double m_animationRepeatInterval;
  58     double m_animationDuration;
  59     bool m_animating;
  60     Timer<LayoutProgress> m_animationTimer;
  61 };
  62
  63 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutProgress, isProgress());
  64
  65 } // namespace blink
  66
  67 #endif // LayoutProgress_h