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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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26 #ifndef ResourcePtr_h | 26 #ifndef ResourcePtr_h |
27 #define ResourcePtr_h | 27 #define ResourcePtr_h |
28 | 28 |
29 #include "core/CoreExport.h" | 29 #include "core/CoreExport.h" |
30 #include "core/fetch/Resource.h" | 30 #include "core/fetch/Resource.h" |
31 #include "wtf/Allocator.h" | 31 #include "wtf/Allocator.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 class CORE_EXPORT ResourcePtrBase { | 35 class CORE_EXPORT ResourcePtrBase { |
36 ALLOW_ONLY_INLINE_ALLOCATION(); | 36 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
37 public: | 37 public: |
38 Resource* get() const { return m_resource; } | 38 Resource* get() const { return m_resource; } |
39 bool operator!() const { return !m_resource; } | 39 bool operator!() const { return !m_resource; } |
40 void clear() { setResource(nullptr); } | 40 void clear() { setResource(nullptr); } |
41 | 41 |
42 // This conversion operator allows implicit conversion to bool but not to ot
her integer types. | 42 // This conversion operator allows implicit conversion to bool but not to ot
her integer types. |
43 typedef Resource* ResourcePtrBase::*UnspecifiedBoolType; | 43 typedef Resource* ResourcePtrBase::*UnspecifiedBoolType; |
44 operator UnspecifiedBoolType() const { return m_resource ? &ResourcePtrBase:
:m_resource : nullptr; } | 44 operator UnspecifiedBoolType() const { return m_resource ? &ResourcePtrBase:
:m_resource : nullptr; } |
45 | 45 |
46 protected: | 46 protected: |
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113 { | 113 { |
114 return h.get() != res; | 114 return h.get() != res; |
115 } | 115 } |
116 template <class R, class RR> bool operator!=(const RR* res, const ResourcePtr<R>
& h) | 116 template <class R, class RR> bool operator!=(const RR* res, const ResourcePtr<R>
& h) |
117 { | 117 { |
118 return h.get() != res; | 118 return h.get() != res; |
119 } | 119 } |
120 } | 120 } |
121 | 121 |
122 #endif | 122 #endif |
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