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/*
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_PROGRESS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_PROGRESS_H_
#include "base/time/time.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/layout_block_flow.h"
namespace blink {
class HTMLProgressElement;
class CORE_EXPORT LayoutProgress : public LayoutBlockFlow {
public:
explicit LayoutProgress(HTMLProgressElement&);
~LayoutProgress() override;
void Trace(Visitor* visitor) const override {
visitor->Trace(animation_timer_);
LayoutBlockFlow::Trace(visitor);
}
double GetPosition() const {
NOT_DESTROYED();
return position_;
}
double AnimationProgress() const;
bool IsDeterminate() const;
void UpdateFromElement() override;
HTMLProgressElement* ProgressElement() const;
const char* GetName() const override {
NOT_DESTROYED();
return "LayoutNGProgress";
}
protected:
void WillBeDestroyed() override;
bool IsProgress() const final {
NOT_DESTROYED();
return true;
}
bool IsAnimating() const;
bool IsAnimationTimerActive() const;
private:
void AnimationTimerFired(TimerBase*);
void UpdateAnimationState();
double position_;
base::TimeTicks animation_start_time_;
bool animating_;
HeapTaskRunnerTimer<LayoutProgress> animation_timer_;
friend class LayoutProgressTest;
};
template <>
struct DowncastTraits<LayoutProgress> {
static bool AllowFrom(const LayoutObject& object) {
return object.IsProgress();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_PROGRESS_H_
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