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Side by Side Diff: third_party/WebKit/Source/core/dom/SuspendableObject.h

Issue 2567913002: Rename ActiveDOMObject to SuspendableObject (Closed)
Patch Set: Created 4 years ago
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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
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 * 24 *
25 */ 25 */
26 26
27 #ifndef ActiveDOMObject_h 27 #ifndef SuspendableObject_h
28 #define ActiveDOMObject_h 28 #define SuspendableObject_h
29 29
30 #include "core/CoreExport.h" 30 #include "core/CoreExport.h"
31 #include "core/dom/ContextLifecycleObserver.h" 31 #include "core/dom/ContextLifecycleObserver.h"
32 #include "wtf/Assertions.h" 32 #include "wtf/Assertions.h"
33 33
34 namespace blink { 34 namespace blink {
35 35
36 class CORE_EXPORT ActiveDOMObject : public ContextLifecycleObserver { 36 class CORE_EXPORT SuspendableObject : public ContextLifecycleObserver {
37 public: 37 public:
38 ActiveDOMObject(ExecutionContext*); 38 SuspendableObject(ExecutionContext*);
39 39
40 // suspendIfNeeded() should be called exactly once after object construction 40 // suspendIfNeeded() should be called exactly once after object construction
41 // to synchronize the suspend state with that in ExecutionContext. 41 // to synchronize the suspend state with that in ExecutionContext.
42 void suspendIfNeeded(); 42 void suspendIfNeeded();
43 #if DCHECK_IS_ON() 43 #if DCHECK_IS_ON()
44 bool suspendIfNeededCalled() const { return m_suspendIfNeededCalled; } 44 bool suspendIfNeededCalled() const { return m_suspendIfNeededCalled; }
45 #endif 45 #endif
46 46
47 // These methods have an empty default implementation so that subclasses 47 // These methods have an empty default implementation so that subclasses
48 // which don't need special treatment can skip implementation. 48 // which don't need special treatment can skip implementation.
49 virtual void suspend(); 49 virtual void suspend();
50 virtual void resume(); 50 virtual void resume();
51 51
52 void didMoveToNewExecutionContext(ExecutionContext*); 52 void didMoveToNewExecutionContext(ExecutionContext*);
53 53
54 protected: 54 protected:
55 virtual ~ActiveDOMObject(); 55 virtual ~SuspendableObject();
56 56
57 private: 57 private:
58 #if DCHECK_IS_ON() 58 #if DCHECK_IS_ON()
59 bool m_suspendIfNeededCalled; 59 bool m_suspendIfNeededCalled;
60 #endif 60 #endif
61 }; 61 };
62 62
63 } // namespace blink 63 } // namespace blink
64 64
65 #endif // ActiveDOMObject_h 65 #endif // SuspendableObject_h
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