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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 |
| 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 INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE 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 INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE 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 #ifndef HTMLParserScheduler_h | 26 #ifndef HTMLParserScheduler_h |
| 27 #define HTMLParserScheduler_h | 27 #define HTMLParserScheduler_h |
| 28 | 28 |
| 29 #include "core/html/parser/NestingLevelIncrementer.h" | 29 #include "core/html/parser/NestingLevelIncrementer.h" |
| 30 #include "platform/scheduler/CancellableTaskFactory.h" | 30 #include "platform/WebTaskRunner.h" |
| 31 #include "wtf/Allocator.h" | 31 #include "wtf/Allocator.h" |
| 32 #include "wtf/RefPtr.h" | 32 #include "wtf/RefPtr.h" |
| 33 #include <memory> | 33 #include <memory> |
| 34 | 34 |
| 35 namespace blink { | 35 namespace blink { |
| 36 | 36 |
| 37 class HTMLDocumentParser; | 37 class HTMLDocumentParser; |
| 38 class WebTaskRunner; | 38 class WebTaskRunner; |
| 39 | 39 |
| 40 class PumpSession : public NestingLevelIncrementer { | 40 class PumpSession : public NestingLevelIncrementer { |
| (...skipping 24 matching lines...) Expand all Loading... |
| 65 : public GarbageCollectedFinalized<HTMLParserScheduler> { | 65 : public GarbageCollectedFinalized<HTMLParserScheduler> { |
| 66 WTF_MAKE_NONCOPYABLE(HTMLParserScheduler); | 66 WTF_MAKE_NONCOPYABLE(HTMLParserScheduler); |
| 67 | 67 |
| 68 public: | 68 public: |
| 69 static HTMLParserScheduler* create(HTMLDocumentParser* parser, | 69 static HTMLParserScheduler* create(HTMLDocumentParser* parser, |
| 70 WebTaskRunner* loadingTaskRunner) { | 70 WebTaskRunner* loadingTaskRunner) { |
| 71 return new HTMLParserScheduler(parser, loadingTaskRunner); | 71 return new HTMLParserScheduler(parser, loadingTaskRunner); |
| 72 } | 72 } |
| 73 ~HTMLParserScheduler(); | 73 ~HTMLParserScheduler(); |
| 74 | 74 |
| 75 bool isScheduledForResume() const { | 75 bool isScheduledForResume() const; |
| 76 return m_isSuspendedWithActiveTimer || | |
| 77 m_cancellableContinueParse->isPending(); | |
| 78 } | |
| 79 | |
| 80 void scheduleForResume(); | 76 void scheduleForResume(); |
| 81 bool yieldIfNeeded(const SpeculationsPumpSession&, bool startingScript); | 77 bool yieldIfNeeded(const SpeculationsPumpSession&, bool startingScript); |
| 82 | 78 |
| 83 /** | 79 /** |
| 84 * Can only be called if this scheduler is suspended. If this is called, | 80 * Can only be called if this scheduler is suspended. If this is called, |
| 85 * then after the scheduler is resumed by calling resume(), this call | 81 * then after the scheduler is resumed by calling resume(), this call |
| 86 * ensures that HTMLDocumentParser::resumeAfterYield will be called. Used to | 82 * ensures that HTMLDocumentParser::resumeAfterYield will be called. Used to |
| 87 * signal this scheduler that the background html parser sent chunks to | 83 * signal this scheduler that the background html parser sent chunks to |
| 88 * HTMLDocumentParser while it was suspended. | 84 * HTMLDocumentParser while it was suspended. |
| 89 */ | 85 */ |
| 90 void forceResumeAfterYield(); | 86 void forceResumeAfterYield(); |
| 91 | 87 |
| 92 void suspend(); | 88 void suspend(); |
| 93 void resume(); | 89 void resume(); |
| 94 | 90 |
| 95 void detach(); // Clear active tasks if any. | 91 void detach(); // Clear active tasks if any. |
| 96 | 92 |
| 97 DECLARE_TRACE(); | 93 DECLARE_TRACE(); |
| 98 | 94 |
| 99 private: | 95 private: |
| 100 HTMLParserScheduler(HTMLDocumentParser*, WebTaskRunner*); | 96 HTMLParserScheduler(HTMLDocumentParser*, WebTaskRunner*); |
| 101 | 97 |
| 102 bool shouldYield(const SpeculationsPumpSession&, bool startingScript) const; | 98 bool shouldYield(const SpeculationsPumpSession&, bool startingScript) const; |
| 103 void continueParsing(); | 99 void continueParsing(); |
| 104 | 100 |
| 105 Member<HTMLDocumentParser> m_parser; | 101 Member<HTMLDocumentParser> m_parser; |
| 106 std::unique_ptr<WebTaskRunner> m_loadingTaskRunner; | 102 std::unique_ptr<WebTaskRunner> m_loadingTaskRunner; |
| 107 | 103 |
| 108 std::unique_ptr<CancellableTaskFactory> m_cancellableContinueParse; | 104 TaskHandle m_cancellableContinueParseTaskHandle; |
| 109 bool m_isSuspendedWithActiveTimer; | 105 bool m_isSuspendedWithActiveTimer; |
| 110 }; | 106 }; |
| 111 | 107 |
| 112 } // namespace blink | 108 } // namespace blink |
| 113 | 109 |
| 114 #endif | 110 #endif |
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