1/* 2 * Copyright (C) 2006, 2007, 2009, 2012 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21#ifndef RenderFileUploadControl_h 22#define RenderFileUploadControl_h 23 24#include "core/rendering/RenderBlock.h" 25 26namespace WebCore { 27 28class HTMLInputElement; 29 30// Each RenderFileUploadControl contains a RenderButton (for opening the file chooser), and 31// sufficient space to draw a file icon and filename. The RenderButton has a shadow node 32// associated with it to receive click/hover events. 33 34class RenderFileUploadControl FINAL : public RenderBlock { 35public: 36 RenderFileUploadControl(HTMLInputElement*); 37 virtual ~RenderFileUploadControl(); 38 39 virtual bool isFileUploadControl() const { return true; } 40 41 String buttonValue(); 42 String fileTextValue() const; 43 44private: 45 virtual const char* renderName() const { return "RenderFileUploadControl"; } 46 47 virtual bool canBeReplacedWithInlineRunIn() const OVERRIDE; 48 virtual void updateFromElement(); 49 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE; 50 virtual void computePreferredLogicalWidths(); 51 virtual void paintObject(PaintInfo&, const LayoutPoint&); 52 53 virtual bool requiresForcedStyleRecalcPropagation() const { return true; } 54 55 int maxFilenameWidth() const; 56 57 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL; 58 59 HTMLInputElement* uploadButton() const; 60 61 bool m_canReceiveDroppedFiles; 62}; 63 64inline RenderFileUploadControl* toRenderFileUploadControl(RenderObject* object) 65{ 66 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isFileUploadControl()); 67 return static_cast<RenderFileUploadControl*>(object); 68} 69 70inline const RenderFileUploadControl* toRenderFileUploadControl(const RenderObject* object) 71{ 72 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isFileUploadControl()); 73 return static_cast<const RenderFileUploadControl*>(object); 74} 75 76// This will catch anyone doing an unnecessary cast. 77void toRenderFileUploadControl(const RenderFileUploadControl*); 78 79} // namespace WebCore 80 81#endif // RenderFileUploadControl_h 82