AsyncFileSystemChromium.h   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef  AsyncFileSystemChromium_h
#define  AsyncFileSystemChromium_h

#if ENABLE(FILE_SYSTEM)

#include "AsyncFileSystem.h"
#include <wtf/PassOwnPtr.h>

namespace WebKit {
class WebFileSystem;
}

namespace WebCore {

class AsyncFileSystemCallbacks;
class KURL;

class AsyncFileSystemChromium : public AsyncFileSystem {
public:
    static PassOwnPtr<AsyncFileSystem> create(AsyncFileSystem::Type type, const KURL& rootURL)
    {
        return adoptPtr(new AsyncFileSystemChromium(type, rootURL));
    }

    static String createIsolatedFileSystemName(const String& storageIdentifier, const String& filesystemId);
    static PassOwnPtr<AsyncFileSystem> createIsolatedFileSystem(const String& originString, const String& filesystemId);

    virtual ~AsyncFileSystemChromium();

    virtual String toURL(const String& originString, const String& fullPath);
    virtual void move(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void copy(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void remove(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void removeRecursively(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void readMetadata(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void createFile(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void createDirectory(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void fileExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void directoryExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void readDirectory(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void createWriter(AsyncFileWriterClient* client, const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);
    virtual void createSnapshotFileAndReadMetadata(const String& path, PassOwnPtr<AsyncFileSystemCallbacks>);

protected:
    AsyncFileSystemChromium(AsyncFileSystem::Type, const KURL& rootURL);

    PassOwnPtr<AsyncFileSystemCallbacks> createSnapshotFileCallback(const KURL& internalBlobURL, PassOwnPtr<AsyncFileSystemCallbacks>) const;

    WebKit::WebFileSystem* m_webFileSystem;

    // Converts a given absolute virtual path to a full origin-qualified FileSystem URL.
    KURL virtualPathToFileSystemURL(const String& virtualPath) const;

    KURL m_filesystemRootURL;
};

} // namespace WebCore

#endif

#endif //  AsyncFileSystemChromium_h