2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Simon Hausmann <hausmann@kde.org>
4 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
26 #include "core/rendering/RenderReplaced.h"
27 #include "platform/Widget.h"
31 // Renderer for frames via RenderFrame and RenderIFrame, and plug-ins via RenderEmbeddedObject.
32 class RenderPart : public RenderReplaced {
34 explicit RenderPart(Element*);
35 virtual ~RenderPart();
37 bool requiresAcceleratedCompositing() const;
39 virtual bool needsPreferredWidthsRecalculation() const override final;
41 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
44 void ref() { ++m_refCount; }
48 Widget* widget() const;
50 void updateOnWidgetChange();
51 void updateWidgetPosition();
52 void widgetPositionsUpdated();
53 bool updateWidgetGeometry();
55 virtual bool isRenderPart() const override final { return true; }
58 virtual LayerType layerTypeRequired() const override;
60 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override final;
61 virtual void layout() override;
62 virtual void paint(PaintInfo&, const LayoutPoint&) override;
63 virtual void paintContents(PaintInfo&, const LayoutPoint&);
64 virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const override final;
67 virtual const char* renderName() const override { return "RenderPart"; }
69 virtual CompositingReasons additionalCompositingReasons() const override;
71 virtual void willBeDestroyed() override final;
72 virtual void destroy() override final;
74 bool setWidgetGeometry(const LayoutRect&);
76 bool nodeAtPointOverWidget(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
83 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderPart, isRenderPart());
87 #endif // RenderPart_h