1 // Copyright (c) 2014 Marshall A. Greenblatt. Portions copyright (c) 2011 2 // Google Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the name Chromium Embedded 15 // Framework nor the names of its contributors may be used to endorse 16 // or promote products derived from this software without specific prior 17 // written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #ifndef INCLUDE_BASE_CEF_CALLBACK_FORWARD_H_ 32 #define INCLUDE_BASE_CEF_CALLBACK_FORWARD_H_ 33 #pragma once 34 35 #if defined(USING_CHROMIUM_INCLUDES) 36 // When building CEF include the Chromium header directly. 37 #include "base/callback_forward.h" 38 #else // !USING_CHROMIUM_INCLUDES 39 // The following is substantially similar to the Chromium implementation. 40 // If the Chromium implementation diverges the below implementation should be 41 // updated to match. 42 43 namespace base { 44 45 template <typename Signature> 46 class OnceCallback; 47 48 template <typename Signature> 49 class RepeatingCallback; 50 51 // Syntactic sugar to make OnceClosure<void()> and RepeatingClosure<void()> 52 // easier to declare since they will be used in a lot of APIs with delayed 53 // execution. 54 using OnceClosure = OnceCallback<void()>; 55 using RepeatingClosure = RepeatingCallback<void()>; 56 57 } // namespace base 58 59 #endif // !!USING_CHROMIUM_INCLUDES 60 61 #endif // INCLUDE_BASE_CEF_CALLBACK_FORWARD_H_ 62