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      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 "wtf/RefCounted.h"
     34 #include "wtf/Vector.h"
     35 #include "wtf/text/WTFString.h"
     36 
     37 namespace WebCore {
     38 
     39 class FileChooser;
     40 
     41 struct FileChooserFileInfo {
     42     FileChooserFileInfo(const String& path, const String& displayName = String())
     43         : path(path)
     44         , displayName(displayName)
     45     {
     46     }
     47 
     48     const String path;
     49     const String displayName;
     50 };
     51 
     52 struct FileChooserSettings {
     53     bool allowsMultipleFiles;
     54     bool allowsDirectoryUpload;
     55     Vector<String> acceptMIMETypes;
     56     Vector<String> acceptFileExtensions;
     57     Vector<String> selectedFiles;
     58 #if ENABLE(MEDIA_CAPTURE)
     59     bool useMediaCapture;
     60 #endif
     61 
     62     // Returns a combined vector of acceptMIMETypes and acceptFileExtensions.
     63     Vector<String> acceptTypes() const;
     64 };
     65 
     66 class FileChooserClient {
     67 public:
     68     virtual void filesChosen(const Vector<FileChooserFileInfo>&) = 0;
     69     virtual ~FileChooserClient();
     70 
     71 protected:
     72     FileChooser* newFileChooser(const FileChooserSettings&);
     73 
     74 private:
     75     void discardChooser();
     76 
     77     RefPtr<FileChooser> m_chooser;
     78 };
     79 
     80 class FileChooser : public RefCounted<FileChooser> {
     81 public:
     82     static PassRefPtr<FileChooser> create(FileChooserClient*, const FileChooserSettings&);
     83     ~FileChooser();
     84 
     85     void disconnectClient() { m_client = 0; }
     86 
     87     void chooseFile(const String& path);
     88     void chooseFiles(const Vector<String>& paths);
     89 
     90     // FIXME: We should probably just pass file paths that could be virtual paths with proper display names rather than passing structs.
     91     void chooseFiles(const Vector<FileChooserFileInfo>& files);
     92 
     93     const FileChooserSettings& settings() const { return m_settings; }
     94 
     95 private:
     96     FileChooser(FileChooserClient*, const FileChooserSettings&);
     97 
     98     FileChooserClient* m_client;
     99     FileChooserSettings m_settings;
    100 };
    101 
    102 } // namespace WebCore
    103 
    104 #endif // FileChooser_h
    105