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Side by Side Diff: public/platform/WebPrivatePtr.h

Issue 462843003: Cleanup namespace usage in public/platform/{Web[P-W]*,linux/*}.h (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 4 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2010 Google 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 are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
(...skipping 16 matching lines...) Expand all
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 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. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #ifndef WebPrivatePtr_h 31 #ifndef WebPrivatePtr_h
32 #define WebPrivatePtr_h 32 #define WebPrivatePtr_h
33 33
34 #include "WebCommon.h" 34 #include "WebCommon.h"
35 35
36 #if INSIDE_BLINK 36 #if INSIDE_BLINK
37
38 namespace blink { template<typename T> class TreeShared; }
39
40 #include "platform/heap/Handle.h" 37 #include "platform/heap/Handle.h"
41 #include "wtf/PassRefPtr.h" 38 #include "wtf/PassRefPtr.h"
42 #include "wtf/TypeTraits.h" 39 #include "wtf/TypeTraits.h"
43 #endif 40 #endif
44 41
45 namespace blink { 42 namespace blink {
46 43
47 #if INSIDE_BLINK 44 #if INSIDE_BLINK
48 enum LifetimeManagementType { 45 enum LifetimeManagementType {
49 RefCountedLifetime, 46 RefCountedLifetime,
50 GarbageCollectedLifetime, 47 GarbageCollectedLifetime,
51 RefCountedGarbageCollectedLifetime 48 RefCountedGarbageCollectedLifetime
52 }; 49 };
53 50
54 template<typename T> 51 template<typename T>
55 class LifetimeOf { 52 class LifetimeOf {
56 static const bool isGarbageCollected = WTF::IsSubclassOfTemplate<T, blink::G arbageCollected>::value; 53 static const bool isGarbageCollected = WTF::IsSubclassOfTemplate<T, GarbageC ollected>::value;
57 static const bool isRefCountedGarbageCollected = WTF::IsSubclassOfTemplate<T , blink::RefCountedGarbageCollected>::value; 54 static const bool isRefCountedGarbageCollected = WTF::IsSubclassOfTemplate<T , RefCountedGarbageCollected>::value;
58 public: 55 public:
59 static const LifetimeManagementType value = 56 static const LifetimeManagementType value =
60 !isGarbageCollected ? RefCountedLifetime : 57 !isGarbageCollected ? RefCountedLifetime :
61 isRefCountedGarbageCollected ? RefCountedGarbageCollectedLifetime : Garb ageCollectedLifetime; 58 isRefCountedGarbageCollected ? RefCountedGarbageCollectedLifetime : Garb ageCollectedLifetime;
62 }; 59 };
63 60
64 template<typename T, LifetimeManagementType lifetime> 61 template<typename T, LifetimeManagementType lifetime>
65 class PtrStorageImpl; 62 class PtrStorageImpl;
66 63
67 template<typename T> 64 template<typename T>
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
99 class PtrStorageImpl<T, GarbageCollectedLifetime> { 96 class PtrStorageImpl<T, GarbageCollectedLifetime> {
100 public: 97 public:
101 void assign(const RawPtr<T>& val) 98 void assign(const RawPtr<T>& val)
102 { 99 {
103 if (!val) { 100 if (!val) {
104 release(); 101 release();
105 return; 102 return;
106 } 103 }
107 104
108 if (!m_handle) 105 if (!m_handle)
109 m_handle = new blink::Persistent<T>(); 106 m_handle = new Persistent<T>();
110 107
111 (*m_handle) = val; 108 (*m_handle) = val;
112 } 109 }
113 110
114 void assign(T* ptr) { assign(RawPtr<T>(ptr)); } 111 void assign(T* ptr) { assign(RawPtr<T>(ptr)); }
115 template<typename U> void assign(const RawPtr<U>& val) { assign(RawPtr<T>(va l)); } 112 template<typename U> void assign(const RawPtr<U>& val) { assign(RawPtr<T>(va l)); }
116 113
117 void assign(const PtrStorageImpl& other) { assign(other.get()); } 114 void assign(const PtrStorageImpl& other) { assign(other.get()); }
118 115
119 T* get() const { return m_handle ? m_handle->get() : 0; } 116 T* get() const { return m_handle ? m_handle->get() : 0; }
120 117
121 void release() 118 void release()
122 { 119 {
123 delete m_handle; 120 delete m_handle;
124 m_handle = 0; 121 m_handle = 0;
125 } 122 }
126 123
127 private: 124 private:
128 blink::Persistent<T>* m_handle; 125 Persistent<T>* m_handle;
129 }; 126 };
130 127
131 template<typename T> 128 template<typename T>
132 class PtrStorageImpl<T, RefCountedGarbageCollectedLifetime> : public PtrStorageI mpl<T, GarbageCollectedLifetime> { 129 class PtrStorageImpl<T, RefCountedGarbageCollectedLifetime> : public PtrStorageI mpl<T, GarbageCollectedLifetime> {
133 public: 130 public:
134 void assign(const PassRefPtrWillBeRawPtr<T>& val) { PtrStorageImpl<T, Garbag eCollectedLifetime>::assign(val.get()); } 131 void assign(const PassRefPtrWillBeRawPtr<T>& val) { PtrStorageImpl<T, Garbag eCollectedLifetime>::assign(val.get()); }
135 132
136 void assign(const PtrStorageImpl& other) { PtrStorageImpl<T, GarbageCollecte dLifetime>::assign(other.get()); } 133 void assign(const PtrStorageImpl& other) { PtrStorageImpl<T, GarbageCollecte dLifetime>::assign(other.get()); }
137 }; 134 };
138 135
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177 // } 174 // }
178 // BLINK_EXPORT void assign(const WebFoo&); // Implemented in the body. 175 // BLINK_EXPORT void assign(const WebFoo&); // Implemented in the body.
179 // 176 //
180 // // Methods that are exposed to Chromium and which are specific to 177 // // Methods that are exposed to Chromium and which are specific to
181 // // WebFoo go here. 178 // // WebFoo go here.
182 // BLINK_EXPORT doWebFooThing(); 179 // BLINK_EXPORT doWebFooThing();
183 // 180 //
184 // // Methods that are used only by other Blink classes should only be 181 // // Methods that are used only by other Blink classes should only be
185 // // declared when INSIDE_BLINK is set. 182 // // declared when INSIDE_BLINK is set.
186 // #if INSIDE_BLINK 183 // #if INSIDE_BLINK
187 // WebFoo(const WTF::PassRefPtr<blink::Foo>&); 184 // WebFoo(const WTF::PassRefPtr<Foo>&);
188 // #endif 185 // #endif
189 // 186 //
190 // private: 187 // private:
191 // WebPrivatePtr<blink::Foo> m_private; 188 // WebPrivatePtr<Foo> m_private;
192 // }; 189 // };
193 // 190 //
194 // // WebFoo.cpp 191 // // WebFoo.cpp
195 // WebFoo::~WebFoo() { m_private.reset(); } 192 // WebFoo::~WebFoo() { m_private.reset(); }
196 // void WebFoo::assign(const WebFoo& other) { ... } 193 // void WebFoo::assign(const WebFoo& other) { ... }
197 // 194 //
198 template <typename T> 195 template <typename T>
199 class WebPrivatePtr { 196 class WebPrivatePtr {
200 public: 197 public:
201 WebPrivatePtr() : m_storage(0) { } 198 WebPrivatePtr() : m_storage(0) { }
(...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after
264 // Disable the copy constructor; classes that contain a WebPrivatePtr 261 // Disable the copy constructor; classes that contain a WebPrivatePtr
265 // should implement their copy constructor using assign(). 262 // should implement their copy constructor using assign().
266 WebPrivatePtr(const WebPrivatePtr<T>&); 263 WebPrivatePtr(const WebPrivatePtr<T>&);
267 264
268 void* m_storage; 265 void* m_storage;
269 }; 266 };
270 267
271 } // namespace blink 268 } // namespace blink
272 269
273 #endif 270 #endif
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