third_party/WebKit/Source/modules/filesystem/DraggedIsolatedFileSystemImpl.h

/*
 * 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
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#ifndef DraggedIsolatedFileSystemImpl_h
#define DraggedIsolatedFileSystemImpl_h

#include "core/clipboard/DataObject.h"
#include "core/clipboard/DraggedIsolatedFileSystem.h"
#include "platform/heap/Handle.h"
#include "wtf/Forward.h"
#include "wtf/text/WTFString.h"

namespace blink {

class DOMFileSystem;

class DraggedIsolatedFileSystemImpl final : public GarbageCollectedFinalized<DraggedIsolatedFileSystemImpl>, public DraggedIsolatedFileSystem, public HeapSupplement<DataObject> {
    USING_GARBAGE_COLLECTED_MIXIN(DraggedIsolatedFileSystemImpl);
public:
    static DraggedIsolatedFileSystemImpl* create(DataObject& host, const String& filesystemId)
    {
        return new DraggedIsolatedFileSystemImpl(host, filesystemId);
    }

    static DOMFileSystem* getDOMFileSystem(DataObject* host, ExecutionContext*);

    static const char* supplementName();
    static DraggedIsolatedFileSystemImpl* from(DataObject*);

    DECLARE_TRACE();

    static void prepareForDataObject(DataObject*, const String& filesystemId);

private:
    DraggedIsolatedFileSystemImpl(DataObject& host, const String& filesystemId);

    Member<DOMFileSystem> m_filesystem;
};

} // namespace blink

#endif // DraggedIsolatedFileSystemImpl_h