1 files changed, 76 insertions, 0 deletions
diff --git a/WebCore/fileapi/FileWriterBase.cpp b/WebCore/fileapi/FileWriterBase.cpp
new file mode 100644
index 0000000..dc55bb8
--- /dev/null
+++ b/WebCore/fileapi/FileWriterBase.cpp
@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+
+#if ENABLE(FILE_SYSTEM)
+
+#include "FileWriterBase.h"
+
+#include "AsyncFileWriter.h"
+#include "Blob.h"
+#include "ExceptionCode.h"
+#include "FileError.h"
+#include "FileException.h"
+#include "ProgressEvent.h"
+
+namespace WebCore {
+
+FileWriterBase::~FileWriterBase()
+{
+}
+
+void FileWriterBase::initialize(PassOwnPtr<AsyncFileWriter> writer, long long length)
+{
+    ASSERT(!m_writer);
+    ASSERT(length >= 0);
+    m_writer = writer;
+    m_length = length;
+}
+
+FileWriterBase::FileWriterBase()
+    : m_position(0)
+{
+}
+
+void FileWriterBase::seekInternal(long long position)
+{
+    if (position > m_length)
+        position = m_length;
+    else if (position < 0)
+        position = m_length + position;
+    if (position < 0)
+        position = 0;
+    m_position = position;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(FILE_SYSTEM)