root/Source/modules/filesystem/DraggedIsolatedFileSystem.cpp

DEFINITIONS

1. getDOMFileSystem
2. supplementName
3. from
4. trace

/*
 * 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:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * 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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#include "config.h"
#include "modules/filesystem/DraggedIsolatedFileSystem.h"

#include "core/dom/ExecutionContext.h"
#include "modules/filesystem/DOMFileSystem.h"
#include "platform/Supplementable.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "wtf/MainThread.h"

namespace WebCore {

DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem()
{
}

DOMFileSystem* DraggedIsolatedFileSystem::getDOMFileSystem(ExecutionContext* executionContext)
{
    ASSERT(!m_filesystemId.isEmpty());
    if (!m_filesystem)
        m_filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, m_filesystemId);
    return m_filesystem.get();
}

// static
const char* DraggedIsolatedFileSystem::supplementName()
{
    ASSERT(isMainThread());
    return "DraggedIsolatedFileSystem";
}

DraggedIsolatedFileSystem* DraggedIsolatedFileSystem::from(DataObject* dataObject)
{
    return static_cast<DraggedIsolatedFileSystem*>(WillBeHeapSupplement<DataObject>::from(dataObject, supplementName()));
}

DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(const String& filesystemId)
    : m_filesystemId(filesystemId)
{
}

void DraggedIsolatedFileSystem::trace(Visitor* visitor)
{
    visitor->trace(m_filesystem);
}

} // namespace WebCore