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 "RenderBlockFlow.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 RenderBlockFlow { 35public: 36 RenderFileUploadControl(HTMLInputElement&, PassRef<RenderStyle>); 37 virtual ~RenderFileUploadControl(); 38 39 String buttonValue(); 40 String fileTextValue() const; 41 42 HTMLInputElement& inputElement() const; 43 44private: 45 void element() const = delete; 46 47 virtual bool isFileUploadControl() const override { return true; } 48 49 virtual const char* renderName() const override { return "RenderFileUploadControl"; } 50 51 virtual void updateFromElement() override; 52 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override; 53 virtual void computePreferredLogicalWidths() override; 54 virtual void paintObject(PaintInfo&, const LayoutPoint&) override; 55 56 virtual bool requiresForcedStyleRecalcPropagation() const override { return true; } 57 58 int maxFilenameWidth() const; 59 60 virtual VisiblePosition positionForPoint(const LayoutPoint&, const RenderRegion*) override; 61 62 HTMLInputElement* uploadButton() const; 63 64 bool m_canReceiveDroppedFiles; 65}; 66 67RENDER_OBJECT_TYPE_CASTS(RenderFileUploadControl, isFileUploadControl()) 68 69} // namespace WebCore 70 71#endif // RenderFileUploadControl_h 72