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This CL generated by |sed -i '/sky\/engine\/config.h/d'| and a manual sweep to catch some oddballs. TBR=eseidel@chromium.org Review URL: https://codereview.chromium.org/1206763002.
98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/*
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* Copyright (C) 2010 Google, Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/core/html/parser/HTMLParserScheduler.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/frame/FrameView.h"
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#include "sky/engine/core/html/parser/HTMLDocumentParser.h"
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namespace blink {
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// parserChunkSize is used to define how many tokens the parser will
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// process before checking against parserTimeLimit and possibly yielding.
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// This is a performance optimization to prevent checking after every token.
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const int HTMLParserScheduler::parserChunkSize = 4096;
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// parserTimeLimit is the seconds the parser will run in one write() call
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// before yielding. Inline <script> execution can cause it to exceed the limit.
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const double HTMLParserScheduler::parserTimeLimit = 0.2;
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ActiveParserSession::ActiveParserSession(Document* document)
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: m_document(document)
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{
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if (!m_document)
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return;
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m_document->incrementActiveParserCount();
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}
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ActiveParserSession::~ActiveParserSession()
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{
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if (!m_document)
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return;
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m_document->decrementActiveParserCount();
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}
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PumpSession::PumpSession(unsigned& nestingLevel, Document* document)
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: NestingLevelIncrementer(nestingLevel)
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, ActiveParserSession(document)
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// Setting processedTokens to INT_MAX causes us to check for yields
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// after any token during any parse where yielding is allowed.
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// At that time we'll initialize startTime.
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, processedTokens(INT_MAX)
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, startTime(0)
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, needsYield(false)
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, didSeeScript(false)
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{
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}
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PumpSession::~PumpSession()
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{
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}
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HTMLParserScheduler::HTMLParserScheduler(HTMLDocumentParser* parser)
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: m_parser(parser)
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, m_continueNextChunkTimer(this, &HTMLParserScheduler::continueNextChunkTimerFired)
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{
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}
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HTMLParserScheduler::~HTMLParserScheduler()
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{
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m_continueNextChunkTimer.stop();
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}
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void HTMLParserScheduler::continueNextChunkTimerFired(Timer<HTMLParserScheduler>* timer)
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{
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ASSERT_UNUSED(timer, timer == &m_continueNextChunkTimer);
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m_parser->resumeParsingAfterYield();
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}
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void HTMLParserScheduler::scheduleForResume()
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{
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m_continueNextChunkTimer.startOneShot(0, FROM_HERE);
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}
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}
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