xref: /external/webkit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#ifndef   WebFileSystemCallbacks_h
#define   WebFileSystemCallbacks_h

#include "WebFileError.h"
#include "WebFileSystemEntry.h"
#include "WebVector.h"

namespace WebKit {

class WebString;
struct WebFileInfo;

class WebFileSystemCallbacks {
public:
    // Callback for WebFileSystem's various operations that don't require
    // return values.
    virtual void didSucceed() = 0;

    // Callback for WebFileSystem::readMetadata. Called with the file metadata
    // for the requested path.
    virtual void didReadMetadata(const WebFileInfo&) = 0;

    // Callback for WebFileSystem::readDirectory.  Called with a vector of
    // file entries in the requested directory. This callback might be called
    // multiple times if the directory has many entries. |hasMore| must be
    // true when there are more entries.
    virtual void didReadDirectory(const WebVector<WebFileSystemEntry>&, bool hasMore) = 0;

    // Callback for WebFrameClient::openFileSystem. Called with a name and
    // root path for the FileSystem when the request is accepted.
    virtual void didOpenFileSystem(const WebString& name, const WebString& rootPath) = 0;

    // Called with an error code when a requested operation hasn't been
    // completed.
    virtual void didFail(WebFileError) = 0;

protected:
    virtual ~WebFileSystemCallbacks() {}
};

} // namespace WebKit

#endif