1 // Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
13 // * Neither the name of Google Inc. nor the name Chromium Embedded
14 // Framework nor the names of its contributors may be used to endorse
15 // or promote products derived from this software without specific prior
16 // written permission.
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 // ---------------------------------------------------------------------------
32 // The contents of this file are only available to applications that link
33 // against the libcef_dll_wrapper target.
36 #ifndef CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_
37 #define CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_
40 #include "include/cef_base.h"
41 #include "include/cef_stream.h"
44 // Thread safe implementation of the CefReadHandler class for reading an
45 // in-memory array of bytes.
47 class CefByteReadHandler : public CefReadHandler {
50 // Create a new object for reading an array of bytes. An optional |source|
51 // reference can be kept to keep the underlying data source from being
52 // released while the reader exists.
54 CefByteReadHandler(const unsigned char* bytes,
56 CefRefPtr<CefBase> source);
58 // CefReadHandler methods.
59 virtual size_t Read(void* ptr, size_t size, size_t n) OVERRIDE;
60 virtual int Seek(int64 offset, int whence) OVERRIDE;
61 virtual int64 Tell() OVERRIDE;
62 virtual int Eof() OVERRIDE;
63 virtual bool MayBlock() OVERRIDE { return false; }
66 const unsigned char* bytes_;
69 CefRefPtr<CefBase> source_;
71 IMPLEMENT_REFCOUNTING(CefByteReadHandler);
72 IMPLEMENT_LOCKING(CefByteReadHandler);
75 #endif // CEF_INCLUDE_WRAPPER_CEF_BYTE_READ_HANDLER_H_