V8DOMMap.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 without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#include "config.h"
#include "V8DOMMap.h"

#include "DOMData.h"
#include "DOMDataStore.h"
#include "ScopedDOMDataStore.h"
#include "V8Binding.h"
#include <wtf/MainThread.h>

namespace WebCore {

DOMDataStoreHandle::DOMDataStoreHandle(bool initialize)
    : m_store(adoptPtr(!initialize ? 0 : new ScopedDOMDataStore()))
{
    if (m_store)
        V8PerIsolateData::current()->registerDOMDataStore(m_store.get());
}

DOMDataStoreHandle::~DOMDataStoreHandle()
{
    if (m_store)
        V8PerIsolateData::current()->unregisterDOMDataStore(m_store.get());
}

DOMNodeMapping& getDOMNodeMap(v8::Isolate* isolate)
{
    return DOMData::getCurrentStore(isolate).domNodeMap();
}

DOMNodeMapping& getActiveDOMNodeMap(v8::Isolate* isolate)
{
    return DOMData::getCurrentStore(isolate).activeDomNodeMap();
}

DOMWrapperMap<void>& getDOMObjectMap(v8::Isolate* isolate)
{
    return DOMData::getCurrentStore(isolate).domObjectMap();
}

DOMWrapperMap<void>& getActiveDOMObjectMap(v8::Isolate* isolate)
{
    return DOMData::getCurrentStore(isolate).activeDomObjectMap();
}

void removeAllDOMObjects()
{
    DOMDataStore& store = DOMData::getCurrentStore();

    v8::HandleScope scope;

    // The DOM objects with the following types only exist on the main thread.
    if (isMainThread()) {
        // Remove all DOM nodes.
        DOMData::removeObjectsFromWrapperMap<Node>(&store, store.domNodeMap());

        // Remove all active DOM nodes.
        DOMData::removeObjectsFromWrapperMap<Node>(&store, store.activeDomNodeMap());
    }

    // Remove all DOM objects in the wrapper map.
    DOMData::removeObjectsFromWrapperMap<void>(&store, store.domObjectMap());

    // Remove all active DOM objects in the wrapper map.
    DOMData::removeObjectsFromWrapperMap<void>(&store, store.activeDomObjectMap());
}

void visitDOMNodes(DOMWrapperMap<Node>::Visitor* visitor)
{
    v8::HandleScope scope;

    DOMDataList& list = DOMDataStore::allStores();
    for (size_t i = 0; i < list.size(); ++i) {
        DOMDataStore* store = list[i];

        store->domNodeMap().visit(store, visitor);
    }
}

void visitActiveDOMNodes(DOMWrapperMap<Node>::Visitor* visitor)
{
    v8::HandleScope scope;

    DOMDataList& list = DOMDataStore::allStores();
    for (size_t i = 0; i < list.size(); ++i) {
        DOMDataStore* store = list[i];

        store->activeDomNodeMap().visit(store, visitor);
    }
}

void visitDOMObjects(DOMWrapperMap<void>::Visitor* visitor)
{
    v8::HandleScope scope;

    DOMDataList& list = DOMDataStore::allStores();
    for (size_t i = 0; i < list.size(); ++i) {
        DOMDataStore* store = list[i];

        store->domObjectMap().visit(store, visitor);
    }
}

void visitActiveDOMObjects(DOMWrapperMap<void>::Visitor* visitor)
{
    v8::HandleScope scope;

    DOMDataList& list = DOMDataStore::allStores();
    for (size_t i = 0; i < list.size(); ++i) {
        DOMDataStore* store = list[i];

        store->activeDomObjectMap().visit(store, visitor);
    }
}

} // namespace WebCore