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/*
* Copyright (C) 2012 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"
#include "DataTransferItemFileSystem.h"
#if ENABLE(FILE_SYSTEM)
#include "AsyncFileSystem.h"
#include "AsyncFileSystemCallbacks.h"
#include "ChromiumDataObject.h"
#include "ClipboardChromium.h"
#include "DOMFilePath.h"
#include "DOMFileSystem.h"
#include "DirectoryEntry.h"
#include "DraggedIsolatedFileSystem.h"
#include "Entry.h"
#include "File.h"
#include "FileEntry.h"
#include "FileMetadata.h"
#include "FileSystem.h"
#include "ScriptExecutionContext.h"
namespace WebCore {
// static
PassRefPtr<Entry> DataTransferItemFileSystem::webkitGetAsEntry(ScriptExecutionContext* scriptExecutionContext, DataTransferItem* item)
{
DataTransferItemPolicyWrapper* itemPolicyWrapper = static_cast<DataTransferItemPolicyWrapper*>(item);
if (!itemPolicyWrapper->dataObjectItem()->isFilename())
return adoptRef(static_cast<Entry*>(0));
// For dragged files getAsFile must be pretty lightweight.
Blob* file = itemPolicyWrapper->getAsFile().get();
// The clipboard may not be in a readable state.
if (!file)
return adoptRef(static_cast<Entry*>(0));
ASSERT(file->isFile());
DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(itemPolicyWrapper->clipboard()->dataObject().get());
DOMFileSystem* domFileSystem = filesystem ? filesystem->getDOMFileSystem(scriptExecutionContext) : 0;
if (!filesystem) {
// IsolatedFileSystem may not be enabled.
return adoptRef(static_cast<Entry*>(0));
}
ASSERT(domFileSystem);
// The dropped entries are mapped as top-level entries in the isolated filesystem.
String virtualPath = DOMFilePath::append("/", toFile(file)->name());
// FIXME: This involves synchronous file operation. Consider passing file type data when we dispatch drag event.
FileMetadata metadata;
if (!getFileMetadata(toFile(file)->path(), metadata))
return adoptRef(static_cast<Entry*>(0));
if (metadata.type == FileMetadata::TypeDirectory)
return static_cast<Entry*>(DirectoryEntry::create(domFileSystem, virtualPath).get());
return static_cast<Entry*>(FileEntry::create(domFileSystem, virtualPath).get());
}
} // namespace WebCore
#endif // ENABLE(FILE_SYSTEM)
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