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1 /* | 1 /* |
2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
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27 * SUCH DAMAGE. | 27 * SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #include "config.h" | 30 #include "config.h" |
31 #include "core/dom/NamedFlowCollection.h" | 31 #include "core/dom/NamedFlowCollection.h" |
32 | 32 |
33 #include "RuntimeEnabledFeatures.h" | 33 #include "RuntimeEnabledFeatures.h" |
34 #include "core/dom/DOMNamedFlowCollection.h" | 34 #include "core/dom/DOMNamedFlowCollection.h" |
35 #include "core/dom/Document.h" | 35 #include "core/dom/Document.h" |
36 #include "core/inspector/InspectorInstrumentation.h" | 36 #include "core/inspector/InspectorInstrumentation.h" |
| 37 #include "wtf/text/AtomicString.h" |
37 #include "wtf/text/StringHash.h" | 38 #include "wtf/text/StringHash.h" |
38 #include "wtf/text/WTFString.h" | 39 #include "wtf/text/WTFString.h" |
39 | 40 |
40 namespace WebCore { | 41 namespace WebCore { |
41 | 42 |
42 NamedFlowCollection::NamedFlowCollection(Document* document) | 43 NamedFlowCollection::NamedFlowCollection(Document* document) |
43 : DocumentLifecycleObserver(document) | 44 : DocumentLifecycleObserver(document) |
44 { | 45 { |
45 ASSERT(RuntimeEnabledFeatures::cssRegionsEnabled()); | 46 ASSERT(RuntimeEnabledFeatures::cssRegionsEnabled()); |
46 } | 47 } |
47 | 48 |
48 Vector<RefPtr<NamedFlow> > NamedFlowCollection::namedFlows() | 49 Vector<RefPtr<NamedFlow> > NamedFlowCollection::namedFlows() |
49 { | 50 { |
50 Vector<RefPtr<NamedFlow> > namedFlows; | 51 Vector<RefPtr<NamedFlow> > namedFlows; |
51 | 52 |
52 for (NamedFlowSet::iterator it = m_namedFlows.begin(); it != m_namedFlows.en
d(); ++it) { | 53 for (NamedFlowSet::iterator it = m_namedFlows.begin(); it != m_namedFlows.en
d(); ++it) { |
53 if ((*it)->flowState() == NamedFlow::FlowStateNull) | 54 if ((*it)->flowState() == NamedFlow::FlowStateNull) |
54 continue; | 55 continue; |
55 | 56 |
56 namedFlows.append(RefPtr<NamedFlow>(*it)); | 57 namedFlows.append(RefPtr<NamedFlow>(*it)); |
57 } | 58 } |
58 | 59 |
59 return namedFlows; | 60 return namedFlows; |
60 } | 61 } |
61 | 62 |
62 NamedFlow* NamedFlowCollection::flowByName(const String& flowName) | 63 NamedFlow* NamedFlowCollection::flowByName(const AtomicString& flowName) |
63 { | 64 { |
64 NamedFlowSet::iterator it = m_namedFlows.find<NamedFlowHashTranslator>(flowN
ame); | 65 NamedFlowSet::iterator it = m_namedFlows.find<NamedFlowHashTranslator>(flowN
ame); |
65 if (it == m_namedFlows.end() || (*it)->flowState() == NamedFlow::FlowStateNu
ll) | 66 if (it == m_namedFlows.end() || (*it)->flowState() == NamedFlow::FlowStateNu
ll) |
66 return 0; | 67 return 0; |
67 | 68 |
68 return *it; | 69 return *it; |
69 } | 70 } |
70 | 71 |
71 PassRefPtr<NamedFlow> NamedFlowCollection::ensureFlowWithName(const String& flow
Name) | 72 PassRefPtr<NamedFlow> NamedFlowCollection::ensureFlowWithName(const AtomicString
& flowName) |
72 { | 73 { |
73 NamedFlowSet::iterator it = m_namedFlows.find<NamedFlowHashTranslator>(flowN
ame); | 74 NamedFlowSet::iterator it = m_namedFlows.find<NamedFlowHashTranslator>(flowN
ame); |
74 if (it != m_namedFlows.end()) { | 75 if (it != m_namedFlows.end()) { |
75 NamedFlow* namedFlow = *it; | 76 NamedFlow* namedFlow = *it; |
76 ASSERT(namedFlow->flowState() == NamedFlow::FlowStateNull); | 77 ASSERT(namedFlow->flowState() == NamedFlow::FlowStateNull); |
77 | 78 |
78 return namedFlow; | 79 return namedFlow; |
79 } | 80 } |
80 | 81 |
81 RefPtr<NamedFlow> newFlow = NamedFlow::create(this, flowName); | 82 RefPtr<NamedFlow> newFlow = NamedFlow::create(this, flowName); |
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110 Vector<NamedFlow*> createdFlows; | 111 Vector<NamedFlow*> createdFlows; |
111 for (NamedFlowSet::iterator it = m_namedFlows.begin(); it != m_namedFlows.en
d(); ++it) | 112 for (NamedFlowSet::iterator it = m_namedFlows.begin(); it != m_namedFlows.en
d(); ++it) |
112 if ((*it)->flowState() == NamedFlow::FlowStateCreated) | 113 if ((*it)->flowState() == NamedFlow::FlowStateCreated) |
113 createdFlows.append(*it); | 114 createdFlows.append(*it); |
114 return DOMNamedFlowCollection::create(createdFlows); | 115 return DOMNamedFlowCollection::create(createdFlows); |
115 } | 116 } |
116 | 117 |
117 // The HashFunctions object used by the HashSet to compare between NamedFlows. | 118 // The HashFunctions object used by the HashSet to compare between NamedFlows. |
118 // It is safe to set safeToCompareToEmptyOrDeleted because the HashSet will neve
r contain null pointers or deleted values. | 119 // It is safe to set safeToCompareToEmptyOrDeleted because the HashSet will neve
r contain null pointers or deleted values. |
119 struct NamedFlowCollection::NamedFlowHashFunctions { | 120 struct NamedFlowCollection::NamedFlowHashFunctions { |
120 static unsigned hash(NamedFlow* key) { return DefaultHash<String>::Hash::has
h(key->name()); } | 121 static unsigned hash(NamedFlow* key) { return DefaultHash<AtomicString>::Has
h::hash(key->name()); } |
121 static bool equal(NamedFlow* a, NamedFlow* b) { return a->name() == b->name(
); } | 122 static bool equal(NamedFlow* a, NamedFlow* b) { return a->name() == b->name(
); } |
122 static const bool safeToCompareToEmptyOrDeleted = true; | 123 static const bool safeToCompareToEmptyOrDeleted = true; |
123 }; | 124 }; |
124 | 125 |
125 // The HashTranslator is used to lookup a NamedFlow in the set using a name. | 126 // The HashTranslator is used to lookup a NamedFlow in the set using a name. |
126 struct NamedFlowCollection::NamedFlowHashTranslator { | 127 struct NamedFlowCollection::NamedFlowHashTranslator { |
127 static unsigned hash(const String& key) { return DefaultHash<String>::Hash::
hash(key); } | 128 static unsigned hash(const AtomicString& key) { return DefaultHash<AtomicStr
ing>::Hash::hash(key); } |
128 static bool equal(NamedFlow* a, const String& b) { return a->name() == b; } | 129 static bool equal(NamedFlow* a, const AtomicString& b) { return a->name() ==
b; } |
129 }; | 130 }; |
130 | 131 |
131 } // namespace WebCore | 132 } // namespace WebCore |
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