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// 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 name Chromium Embedded

// Framework 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.

// ---------------------------------------------------------------------------

// The contents of this file are only available to applications that link

// against the libcef_dll_wrapper target.

#ifndef CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_

#define CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_

#pragma once

#include "include/base/cef_lock.h"

#include "include/base/cef_macros.h"

#include "include/cef_base.h"

#include "include/cef_stream.h"

///

// Thread safe implementation of the CefReadHandler class for reading an

// in-memory array of bytes.

///

class CefByteReadHandler : public CefReadHandler {

public:

///

// Create a new object for reading an array of bytes. An optional |source|

// reference can be kept to keep the underlying data source from being

// released while the reader exists.

///

CefByteReadHandler(const unsigned char* bytes,

size_t size,

CefRefPtr<CefBase> source);

// CefReadHandler methods.

virtual size_t Read(void* ptr, size_t size, size_t n) OVERRIDE;

virtual int Seek(int64 offset, int whence) OVERRIDE;

virtual int64 Tell() OVERRIDE;

virtual int Eof() OVERRIDE;

virtual bool MayBlock() OVERRIDE { return false; }

private:

const unsigned char* bytes_;

int64 size_;

int64 offset_;

CefRefPtr<CefBase> source_;

base::Lock lock_;

IMPLEMENT_REFCOUNTING(CefByteReadHandler);

DISALLOW_COPY_AND_ASSIGN(CefByteReadHandler);

};

#endif // CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_

cefpython/src/include/wrapper/cef_byte_read_handler.h at cefpython53 · 2php/cefpython · GitHub

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