// Copyright (c) 2012 Marshall A. Greenblatt. 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 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/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 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 source_; IMPLEMENT_REFCOUNTING(CefByteReadHandler); IMPLEMENT_LOCKING(CefByteReadHandler); }; #endif // CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_