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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 "platform/PlatformExport.h"
     34 #include "wtf/RefCounted.h"
     35 #include "wtf/Vector.h"
     36 #include "wtf/text/WTFString.h"
     37 
     38 namespace WebCore {
     39 
     40 class FileChooser;
     41 
     42 struct FileChooserFileInfo {
     43     FileChooserFileInfo(const String& path, const String& displayName = String())
     44         : path(path)
     45         , displayName(displayName)
     46     {
     47     }
     48 
     49     const String path;
     50     const String displayName;
     51 };
     52 
     53 struct FileChooserSettings {
     54     bool allowsMultipleFiles;
     55     bool allowsDirectoryUpload;
     56     Vector<String> acceptMIMETypes;
     57     Vector<String> acceptFileExtensions;
     58     Vector<String> selectedFiles;
     59 #if ENABLE(MEDIA_CAPTURE)
     60     bool useMediaCapture;
     61 #endif
     62 
     63     // Returns a combined vector of acceptMIMETypes and acceptFileExtensions.
     64     Vector<String> PLATFORM_EXPORT acceptTypes() const;
     65 };
     66 
     67 class PLATFORM_EXPORT FileChooserClient {
     68 public:
     69     virtual void filesChosen(const Vector<FileChooserFileInfo>&) = 0;
     70     virtual ~FileChooserClient();
     71 
     72 protected:
     73     FileChooser* newFileChooser(const FileChooserSettings&);
     74 
     75 private:
     76     void discardChooser();
     77 
     78     RefPtr<FileChooser> m_chooser;
     79 };
     80 
     81 class PLATFORM_EXPORT FileChooser : public RefCounted<FileChooser> {
     82 public:
     83     static PassRefPtr<FileChooser> create(FileChooserClient*, const FileChooserSettings&);
     84     ~FileChooser();
     85 
     86     void disconnectClient() { m_client = 0; }
     87 
     88     void chooseFile(const String& path);
     89     void chooseFiles(const Vector<String>& paths);
     90 
     91     // FIXME: We should probably just pass file paths that could be virtual paths with proper display names rather than passing structs.
     92     void chooseFiles(const Vector<FileChooserFileInfo>& files);
     93 
     94     const FileChooserSettings& settings() const { return m_settings; }
     95 
     96 private:
     97     FileChooser(FileChooserClient*, const FileChooserSettings&);
     98 
     99     FileChooserClient* m_client;
    100     FileChooserSettings m_settings;
    101 };
    102 
    103 } // namespace WebCore
    104 
    105 #endif // FileChooser_h
    106