1/*
2 * Copyright (C) 2010 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef   WebFileSystemCallbacks_h
32#define   WebFileSystemCallbacks_h
33
34#include "WebFileError.h"
35#include "WebFileSystemEntry.h"
36#include "WebVector.h"
37
38namespace WebKit {
39
40class WebString;
41struct WebFileInfo;
42
43class WebFileSystemCallbacks {
44public:
45    // Callback for WebFileSystem's various operations that don't require
46    // return values.
47    virtual void didSucceed() = 0;
48
49    // Callback for WebFileSystem::readMetadata. Called with the file metadata
50    // for the requested path.
51    virtual void didReadMetadata(const WebFileInfo&) = 0;
52
53    // Callback for WebFileSystem::readDirectory.  Called with a vector of
54    // file entries in the requested directory. This callback might be called
55    // multiple times if the directory has many entries. |hasMore| must be
56    // true when there are more entries.
57    virtual void didReadDirectory(const WebVector<WebFileSystemEntry>&, bool hasMore) = 0;
58
59    // Callback for WebFrameClient::openFileSystem. Called with a name and
60    // root path for the FileSystem when the request is accepted.
61    virtual void didOpenFileSystem(const WebString& name, const WebString& rootPath) = 0;
62
63    // Called with an error code when a requested operation hasn't been
64    // completed.
65    virtual void didFail(WebFileError) = 0;
66
67protected:
68    virtual ~WebFileSystemCallbacks() {}
69};
70
71} // namespace WebKit
72
73#endif
74