| // 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/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<CefBaseRefCounted> 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<CefBaseRefCounted> source_; |
| |
| base::Lock lock_; |
| |
| IMPLEMENT_REFCOUNTING(CefByteReadHandler); |
| DISALLOW_COPY_AND_ASSIGN(CefByteReadHandler); |
| }; |
| |
| #endif // CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_ |