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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008, 2009, 2010 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 * | 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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33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 AXObjectCache::AXObjectCacheCreateFunction AXObjectCache::m_createFunction = nul
lptr; | 35 AXObjectCache::AXObjectCacheCreateFunction AXObjectCache::m_createFunction = nul
lptr; |
36 | 36 |
37 void AXObjectCache::init(AXObjectCacheCreateFunction function) | 37 void AXObjectCache::init(AXObjectCacheCreateFunction function) |
38 { | 38 { |
39 ASSERT(!m_createFunction); | 39 ASSERT(!m_createFunction); |
40 m_createFunction = function; | 40 m_createFunction = function; |
41 } | 41 } |
42 | 42 |
43 AXObjectCache* AXObjectCache::create(Document& document) | 43 PassOwnPtr<AXObjectCache> AXObjectCache::create(Document& document) |
44 { | 44 { |
45 ASSERT(m_createFunction); | 45 ASSERT(m_createFunction); |
46 return (m_createFunction)(document); | 46 return (m_createFunction)(document); |
47 } | 47 } |
48 | 48 |
49 AXObjectCache::AXObjectCache() | 49 AXObjectCache::AXObjectCache() |
50 { | 50 { |
51 } | 51 } |
52 | 52 |
53 AXObjectCache::~AXObjectCache() | 53 AXObjectCache::~AXObjectCache() |
54 { | 54 { |
55 } | 55 } |
56 | 56 |
| 57 PassOwnPtr<ScopedAXObjectCache> ScopedAXObjectCache::create(Document& document) |
| 58 { |
| 59 return adoptPtr(new ScopedAXObjectCache(document)); |
| 60 } |
| 61 |
57 ScopedAXObjectCache::ScopedAXObjectCache(Document& document) | 62 ScopedAXObjectCache::ScopedAXObjectCache(Document& document) |
58 : m_document(document) | 63 : m_cache(nullptr) |
59 , m_cache(0) | |
60 { | 64 { |
61 if (AXObjectCache* existingCache = document.axObjectCache()) { | 65 if (AXObjectCache* existingCache = document.axObjectCache()) { |
62 m_cache = existingCache; | 66 m_cache = existingCache; |
63 m_isScoped = false; | |
64 } else { | 67 } else { |
65 m_isScoped = true; | 68 m_ownedCache = AXObjectCache::create(document); |
66 m_cache = AXObjectCache::create(m_document); | 69 m_cache = m_ownedCache.get(); |
67 } | 70 } |
68 } | 71 } |
69 | 72 |
70 ScopedAXObjectCache::~ScopedAXObjectCache() | |
71 { | |
72 if (m_isScoped) | |
73 delete m_cache; | |
74 } | |
75 | |
76 AXObjectCache* ScopedAXObjectCache::get() | 73 AXObjectCache* ScopedAXObjectCache::get() |
77 { | 74 { |
78 ASSERT(m_cache); | 75 ASSERT(m_cache); |
79 return m_cache; | 76 return m_cache; |
80 } | 77 } |
81 | 78 |
82 AXObjectCache* ScopedAXObjectCache::operator->() | |
83 { | |
84 return get(); | |
85 } | |
86 | |
87 } // namespace blink | 79 } // namespace blink |
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