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Diffstat (limited to 'Source/WebCore/fileapi/FileWriterBase.h')
-rw-r--r-- | Source/WebCore/fileapi/FileWriterBase.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Source/WebCore/fileapi/FileWriterBase.h b/Source/WebCore/fileapi/FileWriterBase.h new file mode 100644 index 0000000..2eecfff --- /dev/null +++ b/Source/WebCore/fileapi/FileWriterBase.h @@ -0,0 +1,94 @@ +/* + * 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 FileWriterBase_h +#define FileWriterBase_h + +#if ENABLE(FILE_SYSTEM) + +#include "AsyncFileWriterClient.h" +#include <wtf/OwnPtr.h> +#include <wtf/PassOwnPtr.h> +#include <wtf/RefCounted.h> + +namespace WebCore { + +class AsyncFileWriter; +class Blob; + +typedef int ExceptionCode; + +class FileWriterBase : public RefCounted<FileWriterBase> { +public: + virtual ~FileWriterBase(); + void initialize(PassOwnPtr<AsyncFileWriter>, long long length); + + long long position() const + { + return m_position; + } + long long length() const + { + return m_length; + } + +protected: + FileWriterBase(); + + AsyncFileWriter* writer() + { + return m_writer.get(); + } + + void setPosition(long long position) + { + m_position = position; + } + + void setLength(long long length) + { + m_length = length; + } + + void seekInternal(long long position); + +private: + friend class WTF::RefCounted<FileWriterBase>; + + OwnPtr<AsyncFileWriter> m_writer; + long long m_position; + long long m_length; +}; + +} // namespace WebCore + +#endif // ENABLE(FILE_SYSTEM) + +#endif // FileWriterBase_h |