1 /* 2 * This file is part of the html renderer for KDE. 3 * 4 * Copyright (C) 2005 Apple Computer 5 * 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. 10 * 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. 15 * 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. 20 * 21 */ 22 23 #ifndef RenderButton_h 24 #define RenderButton_h 25 26 #include "RenderFlexibleBox.h" 27 #include "Timer.h" 28 #include <wtf/OwnPtr.h> 29 30 namespace WebCore { 31 32 class RenderTextFragment; 33 34 // RenderButtons are just like normal flexboxes except that they will generate an anonymous block child. 35 // For inputs, they will also generate an anonymous RenderText and keep its style and content up 36 // to date as the button changes. 37 class RenderButton : public RenderFlexibleBox { 38 public: 39 RenderButton(Node*); 40 renderName()41 virtual const char* renderName() const { return "RenderButton"; } isRenderButton()42 virtual bool isRenderButton() const { return true; } 43 44 virtual void addChild(RenderObject* newChild, RenderObject *beforeChild = 0); 45 virtual void removeChild(RenderObject*); removeLeftoverAnonymousBlock(RenderBlock *)46 virtual void removeLeftoverAnonymousBlock(RenderBlock*) { } createsAnonymousWrapper()47 virtual bool createsAnonymousWrapper() const { return true; } 48 49 void setupInnerStyle(RenderStyle*); 50 virtual void updateFromElement(); 51 52 virtual void updateBeforeAfterContent(PseudoId); 53 hasControlClip()54 virtual bool hasControlClip() const { return true; } 55 virtual IntRect controlClipRect(int /*tx*/, int /*ty*/) const; 56 57 void setText(const String&); 58 String text() const; 59 60 virtual bool canHaveChildren() const; 61 62 protected: 63 virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle); 64 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 65 hasLineIfEmpty()66 virtual bool hasLineIfEmpty() const { return true; } 67 68 void timerFired(Timer<RenderButton>*); 69 70 RenderTextFragment* m_buttonText; 71 RenderBlock* m_inner; 72 73 OwnPtr<Timer<RenderButton> > m_timer; 74 bool m_default; 75 }; 76 toRenderButton(RenderObject * object)77 inline RenderButton* toRenderButton(RenderObject* object) 78 { 79 ASSERT(!object || object->isRenderButton()); 80 return static_cast<RenderButton*>(object); 81 } 82 toRenderButton(const RenderObject * object)83 inline const RenderButton* toRenderButton(const RenderObject* object) 84 { 85 ASSERT(!object || object->isRenderButton()); 86 return static_cast<const RenderButton*>(object); 87 } 88 89 // This will catch anyone doing an unnecessary cast. 90 void toRenderButton(const RenderButton*); 91 92 } // namespace WebCore 93 94 #endif // RenderButton_h 95