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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WebCore_SharedBufferStream_DEFINED
#define WebCore_SharedBufferStream_DEFINED
#include "SkStream.h"
#include "SharedBuffer.h"
namespace WebCore {
/** Subclass of SkStream that wrapps a webcore SharedBuffer object. To
allow this object to be deleted from any thread, the impl will ensure
that we unref the SharedBuffer object from the correct webcore thread.
*/
class SharedBufferStream : public SkMemoryStream {
public:
SharedBufferStream(SharedBuffer* buffer);
virtual ~SharedBufferStream();
private:
// don't allow this to change our data. should not get called, but we
// override here just to be sure
virtual void setMemory(const void* data, size_t length, bool copyData) {
sk_throw();
}
// we share ownership of this with webkit
SharedBuffer* fBuffer;
};
}
#endif
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