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Diffstat (limited to 'WebCore/fileapi/File.cpp')
-rw-r--r-- | WebCore/fileapi/File.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/WebCore/fileapi/File.cpp b/WebCore/fileapi/File.cpp new file mode 100644 index 0000000..150a05b --- /dev/null +++ b/WebCore/fileapi/File.cpp @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2008 Apple 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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" +#include "File.h" + +#include "BlobRegistry.h" +#include "FileSystem.h" +#include "MIMETypeRegistry.h" + +namespace WebCore { + +static PassOwnPtr<BlobData> createBlobDataForFile(const String& path) +{ + String type; + int index = path.reverseFind('.'); + if (index != -1) + type = MIMETypeRegistry::getMIMETypeForExtension(path.substring(index + 1)); + + OwnPtr<BlobData> blobData = BlobData::create(); + blobData->setContentType(type); + blobData->appendFile(path); + return blobData.release(); +} + +File::File(ScriptExecutionContext* scriptExecutionContext, const String& path) + : Blob(scriptExecutionContext, createBlobDataForFile(path), -1) + , m_path(path) + , m_name(pathGetFileName(path)) +{ +} + +File::File(ScriptExecutionContext* scriptExecutionContext, const String& path, const KURL& url, const String& type) + : Blob(scriptExecutionContext, url, type, -1) + , m_path(path) +{ + m_name = pathGetFileName(path); +} + +#if ENABLE(DIRECTORY_UPLOAD) +File::File(ScriptExecutionContext* scriptExecutionContext, const String& relativePath, const String& path) + : Blob(scriptExecutionContext, createBlobDataForFile(path), -1) + , m_path(path) + , m_relativePath(relativePath) +{ + m_name = pathGetFileName(path); +} +#endif + +unsigned long long File::size() const +{ + // FIXME: JavaScript cannot represent sizes as large as unsigned long long, we need to + // come up with an exception to throw if file size is not representable. + long long size; + if (!getFileSize(m_path, size)) + return 0; + return static_cast<unsigned long long>(size); +} + +void File::captureSnapshot(long long& snapshotSize, double& snapshotModificationTime) const +{ + // Obtains a snapshot of the file by capturing its current size and modification time. This is used when we slice a file for the first time. + // If we fail to retrieve the size or modification time, probably due to that the file has been deleted, 0 size is returned. + // FIXME: Combine getFileSize and getFileModificationTime into one file system call. + time_t modificationTime; + if (!getFileSize(m_path, snapshotSize) || !getFileModificationTime(m_path, modificationTime)) { + snapshotSize = 0; + snapshotModificationTime = 0; + } else + snapshotModificationTime = modificationTime; +} + +} // namespace WebCore |