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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
*
* 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 RenderPart_h
#define RenderPart_h
#include "core/rendering/RenderReplaced.h"
#include "platform/Widget.h"
namespace blink {
// Renderer for frames via RenderFrame and RenderIFrame, and plug-ins via RenderEmbeddedObject.
class RenderPart : public RenderReplaced {
public:
explicit RenderPart(Element*);
virtual ~RenderPart();
bool requiresAcceleratedCompositing() const;
virtual bool needsPreferredWidthsRecalculation() const override final;
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
#if !ENABLE(OILPAN)
void ref() { ++m_refCount; }
void deref();
#endif
Widget* widget() const;
void updateOnWidgetChange();
void updateWidgetPosition();
void widgetPositionsUpdated();
bool updateWidgetGeometry();
virtual bool isRenderPart() const override final { return true; }
virtual void paintContents(const PaintInfo&, const LayoutPoint&);
protected:
virtual LayerType layerTypeRequired() const override;
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override final;
virtual void layout() override;
virtual void paint(const PaintInfo&, const LayoutPoint&) override;
virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const override final;
private:
virtual const char* renderName() const override { return "RenderPart"; }
virtual CompositingReasons additionalCompositingReasons() const override;
virtual void willBeDestroyed() override final;
virtual void destroy() override final;
bool setWidgetGeometry(const LayoutRect&);
bool nodeAtPointOverWidget(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
#if !ENABLE(OILPAN)
int m_refCount;
#endif
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderPart, isRenderPart());
} // namespace blink
#endif // RenderPart_h
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