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 "core/rendering/RenderTextControl.h" 26 27 namespace WebCore { 28 29 class HTMLTextAreaElement; 30 31 class RenderTextControlMultiLine FINAL : public RenderTextControl { 32 public: 33 RenderTextControlMultiLine(HTMLTextAreaElement*); 34 virtual ~RenderTextControlMultiLine(); 35 36 private: 37 virtual bool isTextArea() const { return true; } 38 39 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; 40 41 virtual float getAvgCharWidth(AtomicString family); 42 virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const; 43 virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const OVERRIDE; 44 virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const; 45 46 virtual RenderStyle* textBaseStyle() const; 47 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const; 48 virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren); 49 }; 50 51 inline RenderTextControlMultiLine* toRenderTextControlMultiLine(RenderObject* object) 52 { 53 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTextArea()); 54 return static_cast<RenderTextControlMultiLine*>(object); 55 } 56 57 // This will catch anyone doing an unnecessary cast. 58 void toRenderTextControlMultiLine(const RenderTextControlMultiLine*); 59 60 } 61 62 #endif 63