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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 blink {
39 
40 class FileChooser;
41 
42 struct FileChooserFileInfo {
43     FileChooserFileInfo(const String& path, const String& displayName = String())
pathFileChooserFileInfo44         : 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     bool useMediaCapture;
60 
61     // Returns a combined vector of acceptMIMETypes and acceptFileExtensions.
62     Vector<String> PLATFORM_EXPORT acceptTypes() const;
63 };
64 
65 class PLATFORM_EXPORT FileChooserClient {
66 public:
67     virtual void filesChosen(const Vector<FileChooserFileInfo>&) = 0;
68     virtual ~FileChooserClient();
69 
70 protected:
71     FileChooser* newFileChooser(const FileChooserSettings&);
72 
73 private:
74     void discardChooser();
75 
76     RefPtr<FileChooser> m_chooser;
77 };
78 
79 class PLATFORM_EXPORT FileChooser : public RefCounted<FileChooser> {
80 public:
81     static PassRefPtr<FileChooser> create(FileChooserClient*, const FileChooserSettings&);
82     ~FileChooser();
83 
disconnectClient()84     void disconnectClient() { m_client = 0; }
85 
86     void chooseFile(const String& path);
87     void chooseFiles(const Vector<String>& paths);
88 
89     // FIXME: We should probably just pass file paths that could be virtual paths with proper display names rather than passing structs.
90     void chooseFiles(const Vector<FileChooserFileInfo>& files);
91 
settings()92     const FileChooserSettings& settings() const { return m_settings; }
93 
94 private:
95     FileChooser(FileChooserClient*, const FileChooserSettings&);
96 
97     FileChooserClient* m_client;
98     FileChooserSettings m_settings;
99 };
100 
101 } // namespace blink
102 
103 #endif // FileChooser_h
104