/*
* 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.
*/
#ifndef WebThreadSafeData_h
#define WebThreadSafeData_h
#include "WebCommon.h"
#include "WebPrivatePtr.h"
#if !INSIDE_BLINK
#include <string>
#endif
namespace WebCore { class RawData; }
namespace blink {
// A container for raw bytes. It is inexpensive to copy a WebThreadSafeData object.
// It is safe to pass a WebThreadSafeData across threads!!!
class WebThreadSafeData {
public:
WebThreadSafeData() { }
~WebThreadSafeData() { reset(); }
BLINK_PLATFORM_EXPORT void assign(const WebThreadSafeData&);
BLINK_PLATFORM_EXPORT void reset();
BLINK_PLATFORM_EXPORT size_t size() const;
BLINK_PLATFORM_EXPORT const char* data() const;
bool isEmpty() const { return !size(); }
#if INSIDE_BLINK
BLINK_PLATFORM_EXPORT WebThreadSafeData(const WTF::PassRefPtr<WebCore::RawData>&);
BLINK_PLATFORM_EXPORT WebThreadSafeData& operator=(const WTF::PassRefPtr<WebCore::RawData>&);
#else
operator std::string() const
{
size_t len = size();
return len ? std::string(data(), len) : std::string();
}
#endif
private:
WebPrivatePtr<WebCore::RawData> m_private;
};
} // namespace blink
#endif