sky/engine/bindings/core/v8/DOMWrapperWorld.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "sky/engine/config.h"
#include "sky/engine/bindings/core/v8/DOMWrapperWorld.h"

#include "bindings/core/v8/V8Window.h"
#include "sky/engine/bindings/core/v8/DOMDataStore.h"
#include "sky/engine/bindings/core/v8/ScriptController.h"
#include "sky/engine/bindings/core/v8/V8Binding.h"
#include "sky/engine/bindings/core/v8/V8DOMWrapper.h"
#include "sky/engine/bindings/core/v8/WindowProxy.h"
#include "sky/engine/bindings/core/v8/WrapperTypeInfo.h"
#include "sky/engine/core/dom/ExecutionContext.h"
#include "sky/engine/wtf/HashTraits.h"
#include "sky/engine/wtf/StdLibExtras.h"

namespace blink {

DOMWrapperWorld* DOMWrapperWorld::worldOfInitializingWindow = 0;

PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::create(FakeWorldMarker marker)
{
    return adoptRef(new DOMWrapperWorld(marker));
}

DOMWrapperWorld::DOMWrapperWorld(FakeWorldMarker marker)
    : m_isFakeWorld(marker == FakeWorld)
    , m_domDataStore(adoptPtr(new DOMDataStore(isMainWorld())))
{
}

DOMWrapperWorld& DOMWrapperWorld::mainWorld()
{
    ASSERT(isMainThread());
    DEFINE_STATIC_REF(DOMWrapperWorld, cachedMainWorld, (DOMWrapperWorld::create(MainWorld)));
    return *cachedMainWorld;
}

DOMWrapperWorld::~DOMWrapperWorld()
{
    ASSERT(!isMainWorld());

    dispose();
}

void DOMWrapperWorld::dispose()
{
    m_domObjectHolders.clear();
    m_domDataStore.clear();
}

void DOMWrapperWorld::registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase> holderBase)
{
    ASSERT(!m_domObjectHolders.contains(holderBase.get()));
    holderBase->setWorld(this);
    holderBase->setWeak(&DOMWrapperWorld::weakCallbackForDOMObjectHolder);
    m_domObjectHolders.add(holderBase);
}

void DOMWrapperWorld::unregisterDOMObjectHolder(DOMObjectHolderBase* holderBase)
{
    ASSERT(m_domObjectHolders.contains(holderBase));
    m_domObjectHolders.remove(holderBase);
}

void DOMWrapperWorld::weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>& data)
{
    DOMObjectHolderBase* holderBase = data.GetParameter();
    holderBase->world()->unregisterDOMObjectHolder(holderBase);
}

} // namespace blink