1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2009, 2010 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef RenderWidget_h 23 #define RenderWidget_h 24 25 #include "core/rendering/RenderReplaced.h" 26 #include "platform/Widget.h" 27 28 namespace blink { 29 30 class RenderWidget : public RenderReplaced { 31 public: 32 virtual ~RenderWidget(); 33 34 Widget* widget() const; 35 36 void updateOnWidgetChange(); 37 void updateWidgetPosition(); 38 void widgetPositionsUpdated(); 39 40 #if !ENABLE(OILPAN) 41 void ref() { ++m_refCount; } 42 void deref(); 43 #endif 44 virtual bool isWidget() const OVERRIDE FINAL { return true; } 45 bool updateWidgetGeometry(); 46 47 protected: 48 explicit RenderWidget(Element*); 49 50 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE FINAL; 51 virtual void layout() OVERRIDE; 52 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE; 53 virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const OVERRIDE FINAL; 54 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; 55 56 virtual void paintContents(PaintInfo&, const LayoutPoint&); 57 58 private: 59 virtual void willBeDestroyed() OVERRIDE FINAL; 60 virtual void destroy() OVERRIDE FINAL; 61 62 bool setWidgetGeometry(const LayoutRect&); 63 #if !ENABLE(OILPAN) 64 int m_refCount; 65 #endif 66 }; 67 68 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderWidget, isWidget()); 69 70 } // namespace blink 71 72 #endif // RenderWidget_h 73
