67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
// Copyright (c) 2013 Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Do not include this header file directly. Use base/mac/scoped_block.h
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// instead.
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#ifndef CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_
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#define CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_
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#include <Block.h>
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#include "include/base/cef_scoped_typeref_mac.h"
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#if defined(__has_feature) && __has_feature(objc_arc)
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#error "Cannot include include/base/internal/cef_scoped_block_mac.h in file built with ARC."
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#endif
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namespace base {
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namespace mac {
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namespace internal {
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template <typename B>
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struct ScopedBlockTraits {
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static B InvalidValue() { return nullptr; }
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static B Retain(B block) { return Block_copy(block); }
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static void Release(B block) { Block_release(block); }
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};
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} // namespace internal
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// ScopedBlock<> is patterned after ScopedCFTypeRef<>, but uses Block_copy() and
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// Block_release() instead of CFRetain() and CFRelease().
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template <typename B>
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using ScopedBlock = ScopedTypeRef<B, internal::ScopedBlockTraits<B>>;
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} // namespace mac
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} // namespace base
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#endif // CEF_INCLUDE_BASE_INTERNAL_CEF_SCOPED_BLOCK_MAC_H_
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