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 <WebCore/Range.h> 30 #include <wtf/HashMap.h> 31 32 using namespace WebCore; 33 34 namespace WebKit { 35 36 typedef HashMap<Range*, InjectedBundleRangeHandle*> DOMHandleCache; 37 38 static DOMHandleCache& domHandleCache() 39 { 40 DEFINE_STATIC_LOCAL(DOMHandleCache, cache, ()); 41 return cache; 42 } 43 44 PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::getOrCreate(Range* range) 45 { 46 if (!range) 47 return 0; 48 49 std::pair<DOMHandleCache::iterator, bool> result = domHandleCache().add(range, 0); 50 if (!result.second) 51 return PassRefPtr<InjectedBundleRangeHandle>(result.first->second); 52 53 RefPtr<InjectedBundleRangeHandle> rangeHandle = InjectedBundleRangeHandle::create(range); 54 result.first->second = rangeHandle.get(); 55 return rangeHandle.release(); 56 } 57 58 PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::create(Range* range) 59 { 60 return adoptRef(new InjectedBundleRangeHandle(range)); 61 } 62 63 InjectedBundleRangeHandle::InjectedBundleRangeHandle(Range* range) 64 : m_range(range) 65 { 66 } 67 68 InjectedBundleRangeHandle::~InjectedBundleRangeHandle() 69 { 70 domHandleCache().remove(m_range.get()); 71 } 72 73 Range* InjectedBundleRangeHandle::coreRange() const 74 { 75 return m_range.get(); 76 } 77 78 } // namespace WebKit 79