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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 | 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 |
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78 } | 78 } |
79 | 79 |
80 void SpeculationsPumpSession::addedElementTokens(size_t count) | 80 void SpeculationsPumpSession::addedElementTokens(size_t count) |
81 { | 81 { |
82 m_processedElementTokens += count; | 82 m_processedElementTokens += count; |
83 } | 83 } |
84 | 84 |
85 HTMLParserScheduler::HTMLParserScheduler(HTMLDocumentParser* parser) | 85 HTMLParserScheduler::HTMLParserScheduler(HTMLDocumentParser* parser) |
86 : m_parser(parser) | 86 : m_parser(parser) |
87 , m_loadingTaskRunner(Platform::current()->currentThread()->scheduler()->loa
dingTaskRunner()) | 87 , m_loadingTaskRunner(Platform::current()->currentThread()->scheduler()->loa
dingTaskRunner()) |
88 , m_cancellableContinueParse(WTF::bind(&HTMLParserScheduler::continueParsing
, this)) | 88 , m_cancellableContinueParse(CancellableTaskFactory::create(this, &HTMLParse
rScheduler::continueParsing)) |
89 , m_isSuspendedWithActiveTimer(false) | 89 , m_isSuspendedWithActiveTimer(false) |
90 { | 90 { |
91 } | 91 } |
92 | 92 |
93 HTMLParserScheduler::~HTMLParserScheduler() | 93 HTMLParserScheduler::~HTMLParserScheduler() |
94 { | 94 { |
95 } | 95 } |
96 | 96 |
97 void HTMLParserScheduler::scheduleForResume() | 97 void HTMLParserScheduler::scheduleForResume() |
98 { | 98 { |
99 ASSERT(!m_isSuspendedWithActiveTimer); | 99 ASSERT(!m_isSuspendedWithActiveTimer); |
100 m_loadingTaskRunner->postTask(FROM_HERE, m_cancellableContinueParse.cancelAn
dCreate()); | 100 m_loadingTaskRunner->postTask(FROM_HERE, m_cancellableContinueParse->cancelA
ndCreate()); |
101 } | 101 } |
102 | 102 |
103 void HTMLParserScheduler::suspend() | 103 void HTMLParserScheduler::suspend() |
104 { | 104 { |
105 ASSERT(!m_isSuspendedWithActiveTimer); | 105 ASSERT(!m_isSuspendedWithActiveTimer); |
106 if (!m_cancellableContinueParse.isPending()) | 106 if (!m_cancellableContinueParse->isPending()) |
107 return; | 107 return; |
108 m_isSuspendedWithActiveTimer = true; | 108 m_isSuspendedWithActiveTimer = true; |
109 m_cancellableContinueParse.cancel(); | 109 m_cancellableContinueParse->cancel(); |
110 } | 110 } |
111 | 111 |
112 void HTMLParserScheduler::resume() | 112 void HTMLParserScheduler::resume() |
113 { | 113 { |
114 ASSERT(!m_cancellableContinueParse.isPending()); | 114 ASSERT(!m_cancellableContinueParse->isPending()); |
115 if (!m_isSuspendedWithActiveTimer) | 115 if (!m_isSuspendedWithActiveTimer) |
116 return; | 116 return; |
117 m_isSuspendedWithActiveTimer = false; | 117 m_isSuspendedWithActiveTimer = false; |
118 | 118 |
119 m_loadingTaskRunner->postTask(FROM_HERE, m_cancellableContinueParse.cancelAn
dCreate()); | 119 m_loadingTaskRunner->postTask(FROM_HERE, m_cancellableContinueParse->cancelA
ndCreate()); |
120 } | 120 } |
121 | 121 |
122 void HTMLParserScheduler::detach() | 122 void HTMLParserScheduler::detach() |
123 { | 123 { |
124 m_cancellableContinueParse.cancel(); | 124 m_cancellableContinueParse->cancel(); |
125 m_isSuspendedWithActiveTimer = false; | 125 m_isSuspendedWithActiveTimer = false; |
126 } | 126 } |
127 | 127 |
128 inline bool HTMLParserScheduler::shouldYield(const SpeculationsPumpSession& sess
ion, bool startingScript) const | 128 inline bool HTMLParserScheduler::shouldYield(const SpeculationsPumpSession& sess
ion, bool startingScript) const |
129 { | 129 { |
130 if (Platform::current()->currentThread()->scheduler()->shouldYieldForHighPri
orityWork()) | 130 if (Platform::current()->currentThread()->scheduler()->shouldYieldForHighPri
orityWork()) |
131 return true; | 131 return true; |
132 | 132 |
133 const double parserTimeLimit = 0.5; | 133 const double parserTimeLimit = 0.5; |
134 if (session.elapsedTime() > parserTimeLimit) | 134 if (session.elapsedTime() > parserTimeLimit) |
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154 if (shouldYield(session, startingScript)) { | 154 if (shouldYield(session, startingScript)) { |
155 scheduleForResume(); | 155 scheduleForResume(); |
156 return true; | 156 return true; |
157 } | 157 } |
158 | 158 |
159 return false; | 159 return false; |
160 } | 160 } |
161 | 161 |
162 void HTMLParserScheduler::forceResumeAfterYield() | 162 void HTMLParserScheduler::forceResumeAfterYield() |
163 { | 163 { |
164 ASSERT(!m_cancellableContinueParse.isPending()); | 164 ASSERT(!m_cancellableContinueParse->isPending()); |
165 m_isSuspendedWithActiveTimer = true; | 165 m_isSuspendedWithActiveTimer = true; |
166 } | 166 } |
167 | 167 |
168 void HTMLParserScheduler::continueParsing() | 168 void HTMLParserScheduler::continueParsing() |
169 { | 169 { |
170 m_parser->resumeParsingAfterYield(); | 170 m_parser->resumeParsingAfterYield(); |
171 } | 171 } |
172 | 172 |
173 } | 173 } |
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