OLD | NEW |
1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkRefCnt_DEFINED | 10 #ifndef SkRefCnt_DEFINED |
11 #define SkRefCnt_DEFINED | 11 #define SkRefCnt_DEFINED |
12 | 12 |
13 #include "SkDynamicAnnotations.h" | 13 #include "SkDynamicAnnotations.h" |
14 #include "SkThread.h" | 14 #include "SkThread.h" |
15 #include "SkInstCnt.h" | 15 #include "SkInstCnt.h" |
16 #include "SkTemplates.h" | 16 #include "SkTemplates.h" |
17 | 17 |
18 /** \class SkRefCntBase | 18 /** \class SkRefCntBase |
19 | 19 |
20 SkRefCntBase is the base class for objects that may be shared by multiple | 20 SkRefCntBase is the base class for objects that may be shared by multiple |
21 objects. When an existing owner wants to share a reference, it calls ref(). | 21 objects. When an existing owner wants to share a reference, it calls ref(). |
22 When an owner wants to release its reference, it calls unref(). When the | 22 When an owner wants to release its reference, it calls unref(). When the |
23 shared object's reference count goes to zero as the result of an unref() | 23 shared object's reference count goes to zero as the result of an unref() |
24 call, its (virtual) destructor is called. It is an error for the | 24 call, its (virtual) destructor is called. It is an error for the |
25 destructor to be called explicitly (or via the object going out of scope on | 25 destructor to be called explicitly (or via the object going out of scope on |
26 the stack or calling delete) if getRefCnt() > 1. | 26 the stack or calling delete) if getRefCnt() > 1. |
27 */ | 27 */ |
28 class SK_API SkRefCntBase : public SkNoncopyable { | 28 class SK_API SkRefCntBase : SkNoncopyable { |
29 public: | 29 public: |
30 SK_DECLARE_INST_COUNT_ROOT(SkRefCntBase) | 30 SK_DECLARE_INST_COUNT_ROOT(SkRefCntBase) |
31 | 31 |
32 /** Default construct, initializing the reference count to 1. | 32 /** Default construct, initializing the reference count to 1. |
33 */ | 33 */ |
34 SkRefCntBase() : fRefCnt(1) {} | 34 SkRefCntBase() : fRefCnt(1) {} |
35 | 35 |
36 /** Destruct, asserting that the reference count is 1. | 36 /** Destruct, asserting that the reference count is 1. |
37 */ | 37 */ |
38 virtual ~SkRefCntBase() { | 38 virtual ~SkRefCntBase() { |
(...skipping 244 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
283 typedef T* SkRefPtr::*unspecified_bool_type; | 283 typedef T* SkRefPtr::*unspecified_bool_type; |
284 operator unspecified_bool_type() const { | 284 operator unspecified_bool_type() const { |
285 return fObj ? &SkRefPtr::fObj : NULL; | 285 return fObj ? &SkRefPtr::fObj : NULL; |
286 } | 286 } |
287 | 287 |
288 private: | 288 private: |
289 T* fObj; | 289 T* fObj; |
290 }; | 290 }; |
291 | 291 |
292 #endif | 292 #endif |
OLD | NEW |