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
domHandleCache()38 static DOMHandleCache& domHandleCache()
39 {
40 DEFINE_STATIC_LOCAL(DOMHandleCache, cache, ());
41 return cache;
42 }
43
getOrCreate(Range * range)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
create(Range * range)58 PassRefPtr<InjectedBundleRangeHandle> InjectedBundleRangeHandle::create(Range* range)
59 {
60 return adoptRef(new InjectedBundleRangeHandle(range));
61 }
62
InjectedBundleRangeHandle(Range * range)63 InjectedBundleRangeHandle::InjectedBundleRangeHandle(Range* range)
64 : m_range(range)
65 {
66 }
67
~InjectedBundleRangeHandle()68 InjectedBundleRangeHandle::~InjectedBundleRangeHandle()
69 {
70 domHandleCache().remove(m_range.get());
71 }
72
coreRange() const73 Range* InjectedBundleRangeHandle::coreRange() const
74 {
75 return m_range.get();
76 }
77
78 } // namespace WebKit
79