1 // Copyright (c) 2013 Google Inc. All rights reserved. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 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 12 // distribution. 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. 17 // 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. 29 30 // Do not include this header file directly. Use base/mac/scoped_block.h 31 // instead. 32 33 #ifndef CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_ 34 #define CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_ 35 36 #include <Block.h> 37 38 #include "include/base/cef_scoped_typeref_mac.h" 39 40 #if defined(__has_feature) && __has_feature(objc_arc) 41 #error "Cannot include include/base/internal/cef_scoped_block_mac.h in file built with ARC." 42 #endif 43 44 namespace base { 45 namespace mac { 46 47 namespace internal { 48 49 template <typename B> 50 struct ScopedBlockTraits { InvalidValueScopedBlockTraits51 static B InvalidValue() { return nullptr; } RetainScopedBlockTraits52 static B Retain(B block) { return Block_copy(block); } ReleaseScopedBlockTraits53 static void Release(B block) { Block_release(block); } 54 }; 55 56 } // namespace internal 57 58 // ScopedBlock<> is patterned after ScopedCFTypeRef<>, but uses Block_copy() and 59 // Block_release() instead of CFRetain() and CFRelease(). 60 template <typename B> 61 using ScopedBlock = ScopedTypeRef<B, internal::ScopedBlockTraits<B>>; 62 63 } // namespace mac 64 } // namespace base 65 66 #endif // CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_ 67