1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "InjectedBundleRangeHandle.h" 28 29#include <JavaScriptCore/APICast.h> 30#include <WebCore/JSRange.h> 31#include <WebCore/Range.h> 32#include <wtf/HashMap.h> 33#include <wtf/NeverDestroyed.h> 34 35using namespace WebCore; 36 37namespace WebKit { 38 39typedef HashMap<Range*, InjectedBundleRangeHandle*> DOMHandleCache; 40 41static DOMHandleCache& domHandleCache() 42{ 43 static NeverDestroyed<DOMHandleCache> cache; 44 return cache; 45} 46 47PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::getOrCreate(JSContextRef, JSObjectRef object) 48{ 49 Range* range = toRange(toJS(object)); 50 return getOrCreate(range); 51} 52 53PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::getOrCreate(Range* range) 54{ 55 if (!range) 56 return 0; 57 58 DOMHandleCache::AddResult result = domHandleCache().add(range, nullptr); 59 if (!result.isNewEntry) 60 return PassRefPtr<InjectedBundleRangeHandle>(result.iterator->value); 61 62 RefPtr<InjectedBundleRangeHandle> rangeHandle = InjectedBundleRangeHandle::create(range); 63 result.iterator->value = rangeHandle.get(); 64 return rangeHandle.release(); 65} 66 67PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::create(Range* range) 68{ 69 return adoptRef(new InjectedBundleRangeHandle(range)); 70} 71 72InjectedBundleRangeHandle::InjectedBundleRangeHandle(Range* range) 73 : m_range(range) 74{ 75} 76 77InjectedBundleRangeHandle::~InjectedBundleRangeHandle() 78{ 79 domHandleCache().remove(m_range.get()); 80} 81 82Range* InjectedBundleRangeHandle::coreRange() const 83{ 84 return m_range.get(); 85} 86 87} // namespace WebKit 88