third_party/WebKit/Source/core/CoreInitializer.cpp

/*
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 * in the documentation and/or other materials provided with the
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#include "core/CoreInitializer.h"

#include "bindings/core/v8/ScriptStreamerThread.h"
#include "core/EventNames.h"
#include "core/EventTargetNames.h"
#include "core/EventTypeNames.h"
#include "core/HTMLNames.h"
#include "core/HTMLTokenizerNames.h"
#include "core/InputTypeNames.h"
#include "core/MathMLNames.h"
#include "core/MediaFeatureNames.h"
#include "core/MediaTypeNames.h"
#include "core/SVGNames.h"
#include "core/XLinkNames.h"
#include "core/XMLNSNames.h"
#include "core/XMLNames.h"
#include "core/css/MediaQueryEvaluator.h"
#include "core/css/parser/CSSParserTokenRange.h"
#include "core/dom/Document.h"
#include "core/dom/StyleChangeReason.h"
#include "core/events/EventFactory.h"
#include "core/fetch/FetchInitiatorTypeNames.h"
#include "core/html/canvas/CanvasRenderingContextFactory.h"
#include "core/html/parser/HTMLParserThread.h"
#include "core/workers/WorkerThread.h"
#include "platform/FontFamilyNames.h"
#include "platform/HTTPNames.h"
#include "platform/RuntimeEnabledFeatures.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/SchemeRegistry.h"
#include "platform/weborigin/SecurityPolicy.h"
#include "wtf/allocator/Partitions.h"
#include "wtf/text/AtomicStringTable.h"

namespace blink {

void CoreInitializer::registerEventFactory() {
  static bool isRegistered = false;
  if (isRegistered)
    return;
  isRegistered = true;

  Document::registerEventFactory(EventFactory::create());
}

void CoreInitializer::initialize() {
  ASSERT(!isInitialized());
  m_isInitialized = true;
  // Note: in order to add core static strings for a new module (1)
  // the value of 'coreStaticStringsCount' must be updated with the
  // added strings count, (2) if the added strings are quialified names
  // the 'qualifiedNamesCount' must be updated as well, (3) the strings
  // 'init()' function call must be added.
  // TODO(mikhail.pozdnyakov@intel.com): We should generate static strings
  // initialization code.
  const unsigned qualifiedNamesCount =
      HTMLNames::HTMLTagsCount + HTMLNames::HTMLAttrsCount +
      MathMLNames::MathMLTagsCount + MathMLNames::MathMLAttrsCount +
      SVGNames::SVGTagsCount + SVGNames::SVGAttrsCount +
      XLinkNames::XLinkAttrsCount + XMLNSNames::XMLNSAttrsCount +
      XMLNames::XMLAttrsCount;

  const unsigned coreStaticStringsCount =
      qualifiedNamesCount + EventNames::EventNamesCount +
      EventTargetNames::EventTargetNamesCount +
      EventTypeNames::EventTypeNamesCount +
      FetchInitiatorTypeNames::FetchInitiatorTypeNamesCount +
      FontFamilyNames::FontFamilyNamesCount +
      HTMLTokenizerNames::HTMLTokenizerNamesCount + HTTPNames::HTTPNamesCount +
      InputTypeNames::InputTypeNamesCount +
      MediaFeatureNames::MediaFeatureNamesCount +
      MediaTypeNames::MediaTypeNamesCount;

  StringImpl::reserveStaticStringsCapacityForSize(
      coreStaticStringsCount + StringImpl::allStaticStrings().size());
  QualifiedName::initAndReserveCapacityForSize(qualifiedNamesCount);

  AtomicStringTable::instance().reserveCapacity(coreStaticStringsCount);

  HTMLNames::init();
  SVGNames::init();
  XLinkNames::init();
  MathMLNames::init();
  XMLNSNames::init();
  XMLNames::init();

  EventNames::init();
  EventTargetNames::init();
  EventTypeNames::init();
  FetchInitiatorTypeNames::init();
  FontFamilyNames::init();
  HTMLTokenizerNames::init();
  HTTPNames::init();
  InputTypeNames::init();
  MediaFeatureNames::init();
  MediaTypeNames::init();

  MediaQueryEvaluator::init();
  CSSParserTokenRange::initStaticEOFToken();

  StyleChangeExtraData::init();

  KURL::initialize();
  SchemeRegistry::initialize();
  SecurityPolicy::init();

  registerEventFactory();

  StringImpl::freezeStaticStrings();

  // Creates HTMLParserThread::shared and ScriptStreamerThread::shared, but
  // does not start the threads.
  if (!RuntimeEnabledFeatures::parseHTMLOnMainThreadEnabled())
    HTMLParserThread::init();
  ScriptStreamerThread::init();
}

void CoreInitializer::shutdown() {
  // Shutdown V8-related background threads before V8 is ramped down. Note
  // that this will wait the thread to stop its operations.
  ScriptStreamerThread::shutdown();

  // Make sure we stop the HTMLParserThread before Platform::current() is
  // cleared.
  ASSERT(Platform::current());
  if (!RuntimeEnabledFeatures::parseHTMLOnMainThreadEnabled())
    HTMLParserThread::shutdown();

  WorkerThread::terminateAndWaitForAllWorkers();
}

}  // namespace blink