1 /* 2 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 3 * Copyright (C) 2009 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 RenderTextControlMultiLine_h 23 #define RenderTextControlMultiLine_h 24 25 #include "RenderTextControl.h" 26 27 namespace WebCore { 28 29 class RenderTextControlMultiLine : public RenderTextControl { 30 public: 31 RenderTextControlMultiLine(Node*, bool); 32 virtual ~RenderTextControlMultiLine(); 33 34 void forwardEvent(Event*); 35 36 private: 37 virtual bool isTextArea() const { return true; } 38 39 virtual void subtreeHasChanged(); 40 41 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); 42 43 virtual int preferredContentWidth(float charWidth) const; 44 virtual void adjustControlHeightBasedOnLineHeight(int lineHeight); 45 virtual int baselinePosition(bool firstLine, bool isRootLineBox) const; 46 47 virtual void updateFromElement(); 48 virtual void cacheSelection(int start, int end); 49 50 virtual RenderStyle* textBaseStyle() const; 51 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const; 52 }; 53 54 inline RenderTextControlMultiLine* toRenderTextControlMultiLine(RenderObject* object) 55 { 56 ASSERT(!object || object->isTextArea()); 57 return static_cast<RenderTextControlMultiLine*>(object); 58 } 59 60 // This will catch anyone doing an unnecessary cast. 61 void toRenderTextControlMultiLine(const RenderTextControlMultiLine*); 62 63 } 64 65 #endif 66