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Side by Side Diff: Source/modules/webdatabase/SQLCallbackWrapper.h

Issue 403013002: Rename WebCore to blink in Modules (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved. 2 * Copyright (C) 2011 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 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
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25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 #ifndef SQLCallbackWrapper_h 28 #ifndef SQLCallbackWrapper_h
29 #define SQLCallbackWrapper_h 29 #define SQLCallbackWrapper_h
30 30
31 #include "core/dom/ExecutionContext.h" 31 #include "core/dom/ExecutionContext.h"
32 #include "core/dom/ExecutionContextTask.h" 32 #include "core/dom/ExecutionContextTask.h"
33 #include "wtf/ThreadingPrimitives.h" 33 #include "wtf/ThreadingPrimitives.h"
34 34
35 namespace WebCore { 35 namespace blink {
36 36
37 // A helper class to safely dereference the callback objects held by 37 // A helper class to safely dereference the callback objects held by
38 // SQLStatement and SQLTransaction on the proper thread. The 'wrapped' 38 // SQLStatement and SQLTransaction on the proper thread. The 'wrapped'
39 // callback is dereferenced: 39 // callback is dereferenced:
40 // - by destructing the enclosing wrapper - on any thread 40 // - by destructing the enclosing wrapper - on any thread
41 // - by calling clear() - on any thread 41 // - by calling clear() - on any thread
42 // - by unwrapping and then dereferencing normally - on context thread only 42 // - by unwrapping and then dereferencing normally - on context thread only
43 // Oilpan: ~T must be thread-independent. 43 // Oilpan: ~T must be thread-independent.
44 template<typename T> class SQLCallbackWrapper { 44 template<typename T> class SQLCallbackWrapper {
45 DISALLOW_ALLOCATION(); 45 DISALLOW_ALLOCATION();
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125 125
126 OwnPtr<T> m_callbackToRelease; 126 OwnPtr<T> m_callbackToRelease;
127 }; 127 };
128 #endif 128 #endif
129 129
130 Mutex m_mutex; 130 Mutex m_mutex;
131 OwnPtr<T> m_callback; 131 OwnPtr<T> m_callback;
132 RefPtrWillBeMember<ExecutionContext> m_executionContext; 132 RefPtrWillBeMember<ExecutionContext> m_executionContext;
133 }; 133 };
134 134
135 } // namespace WebCore 135 } // namespace blink
136 136
137 #endif // SQLCallbackWrapper_h 137 #endif // SQLCallbackWrapper_h
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