1 /* 2 * Copyright (C) 2006, 2007, 2009 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 "FileChooser.h" 25 #include "RenderBlock.h" 26 27 namespace WebCore { 28 29 class HTMLInputElement; 30 31 // Each RenderFileUploadControl contains a RenderButton (for opening the file chooser), and 32 // sufficient space to draw a file icon and filename. The RenderButton has a shadow node 33 // associated with it to receive click/hover events. 34 35 class RenderFileUploadControl : public RenderBlock, private FileChooserClient { 36 public: 37 RenderFileUploadControl(HTMLInputElement*); 38 virtual ~RenderFileUploadControl(); 39 40 virtual bool isFileUploadControl() const { return true; } 41 42 void click(); 43 44 void valueChanged(); 45 46 void receiveDroppedFiles(const Vector<String>&); 47 48 String buttonValue(); 49 String fileTextValue() const; 50 51 bool allowsMultipleFiles(); 52 String acceptTypes(); 53 54 private: 55 virtual const char* renderName() const { return "RenderFileUploadControl"; } 56 57 virtual void updateFromElement(); 58 virtual void calcPrefWidths(); 59 virtual void paintObject(PaintInfo&, int tx, int ty); 60 61 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 62 63 int maxFilenameWidth() const; 64 PassRefPtr<RenderStyle> createButtonStyle(const RenderStyle* parentStyle) const; 65 66 RefPtr<HTMLInputElement> m_button; 67 RefPtr<FileChooser> m_fileChooser; 68 }; 69 70 inline RenderFileUploadControl* toRenderFileUploadControl(RenderObject* object) 71 { 72 ASSERT(!object || object->isFileUploadControl()); 73 return static_cast<RenderFileUploadControl*>(object); 74 } 75 76 inline const RenderFileUploadControl* toRenderFileUploadControl(const RenderObject* object) 77 { 78 ASSERT(!object || object->isFileUploadControl()); 79 return static_cast<const RenderFileUploadControl*>(object); 80 } 81 82 // This will catch anyone doing an unnecessary cast. 83 void toRenderFileUploadControl(const RenderFileUploadControl*); 84 85 } // namespace WebCore 86 87 #endif // RenderFileUploadControl_h 88