1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef FileChooser_h 31 #define FileChooser_h 32 33 #include "PlatformString.h" 34 #include <wtf/Vector.h> 35 36 namespace WebCore { 37 38 class FileChooser; 39 class Font; 40 class Icon; 41 42 class FileChooserClient { 43 public: 44 virtual void valueChanged() = 0; 45 virtual void repaint() = 0; 46 virtual bool allowsMultipleFiles() = 0; 47 #if ENABLE(DIRECTORY_UPLOAD) 48 virtual bool allowsDirectoryUpload() = 0; 49 #endif 50 virtual String acceptTypes() = 0; 51 virtual void chooseIconForFiles(FileChooser*, const Vector<String>&) = 0; 52 virtual ~FileChooserClient(); 53 }; 54 55 class FileChooser : public RefCounted<FileChooser> { 56 public: 57 static PassRefPtr<FileChooser> create(FileChooserClient*, const Vector<String>& initialFilenames); 58 ~FileChooser(); 59 disconnectClient()60 void disconnectClient() { m_client = 0; } disconnected()61 bool disconnected() { return !m_client; } 62 filenames()63 const Vector<String>& filenames() const { return m_filenames; } 64 String basenameForWidth(const Font&, int width) const; 65 icon()66 Icon* icon() const { return m_icon.get(); } 67 68 void clear(); // for use by client; does not call valueChanged 69 70 void chooseFile(const String& path); 71 void chooseFiles(const Vector<String>& paths); 72 // Called when FileChooserClient finishes to load an icon requested by iconForFiles(). 73 void iconLoaded(PassRefPtr<Icon>); 74 allowsMultipleFiles()75 bool allowsMultipleFiles() const { return m_client ? m_client->allowsMultipleFiles() : false; } 76 #if ENABLE(DIRECTORY_UPLOAD) allowsDirectoryUpload()77 bool allowsDirectoryUpload() const { return m_client ? m_client->allowsDirectoryUpload() : false; } 78 #endif 79 // Acceptable MIME types. It's an 'accept' attribute value of the corresponding INPUT element. acceptTypes()80 String acceptTypes() const { return m_client ? m_client->acceptTypes() : String(); } 81 82 private: 83 FileChooser(FileChooserClient*, const Vector<String>& initialFilenames); 84 void initialize(); 85 void loadIcon(); 86 87 FileChooserClient* m_client; 88 Vector<String> m_filenames; 89 RefPtr<Icon> m_icon; 90 bool m_isInitializing; 91 }; 92 93 } // namespace WebCore 94 95 #endif // FileChooser_h 96