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 Chrome; 30 class HTMLInputElement; 31 32 // Each RenderFileUploadControl contains a RenderButton (for opening the file chooser), and 33 // sufficient space to draw a file icon and filename. The RenderButton has a shadow node 34 // associated with it to receive click/hover events. 35 36 class RenderFileUploadControl : public RenderBlock, private FileChooserClient { 37 public: 38 RenderFileUploadControl(HTMLInputElement*); 39 virtual ~RenderFileUploadControl(); 40 41 virtual bool isFileUploadControl() const { return true; } 42 43 void click(); 44 45 void receiveDroppedFiles(const Vector<String>&); 46 47 String buttonValue(); 48 String fileTextValue() const; 49 50 private: 51 virtual const char* renderName() const { return "RenderFileUploadControl"; } 52 53 virtual void updateFromElement(); 54 virtual void computePreferredLogicalWidths(); 55 virtual void paintObject(PaintInfo&, int tx, int ty); 56 57 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 58 59 virtual bool requiresForcedStyleRecalcPropagation() const { return true; } 60 61 // FileChooserClient methods. 62 void valueChanged(); 63 void repaint() { RenderBlock::repaint(); } 64 bool allowsMultipleFiles(); 65 #if ENABLE(DIRECTORY_UPLOAD) 66 bool allowsDirectoryUpload(); 67 void receiveDropForDirectoryUpload(const Vector<String>&); 68 #endif 69 String acceptTypes(); 70 void chooseIconForFiles(FileChooser*, const Vector<String>&); 71 72 Chrome* chrome() const; 73 int maxFilenameWidth() const; 74 PassRefPtr<RenderStyle> createButtonStyle(const RenderStyle* parentStyle) const; 75 76 virtual VisiblePosition positionForPoint(const IntPoint&); 77 78 RefPtr<HTMLInputElement> m_button; 79 RefPtr<FileChooser> m_fileChooser; 80 }; 81 82 inline RenderFileUploadControl* toRenderFileUploadControl(RenderObject* object) 83 { 84 ASSERT(!object || object->isFileUploadControl()); 85 return static_cast<RenderFileUploadControl*>(object); 86 } 87 88 inline const RenderFileUploadControl* toRenderFileUploadControl(const RenderObject* object) 89 { 90 ASSERT(!object || object->isFileUploadControl()); 91 return static_cast<const RenderFileUploadControl*>(object); 92 } 93 94 // This will catch anyone doing an unnecessary cast. 95 void toRenderFileUploadControl(const RenderFileUploadControl*); 96 97 } // namespace WebCore 98 99 #endif // RenderFileUploadControl_h 100