1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "InjectedBundleCSSStyleDeclarationHandle.h"
#include <JavaScriptCore/APICast.h>
#include <WebCore/CSSStyleDeclaration.h>
#include <WebCore/JSCSSStyleDeclaration.h>
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/WeakRef.h>
namespace WebKit {
using namespace WebCore;
using DOMStyleDeclarationHandleCache = HashMap<SingleThreadWeakRef<CSSStyleDeclaration>, WeakRef<InjectedBundleCSSStyleDeclarationHandle>>;
static DOMStyleDeclarationHandleCache& domStyleDeclarationHandleCache()
{
static NeverDestroyed<DOMStyleDeclarationHandleCache> cache;
return cache;
}
RefPtr<InjectedBundleCSSStyleDeclarationHandle> InjectedBundleCSSStyleDeclarationHandle::getOrCreate(JSContextRef, JSObjectRef object)
{
CSSStyleDeclaration* cssStyleDeclaration = JSCSSStyleDeclaration::toWrapped(toJS(object)->vm(), toJS(object));
return getOrCreate(cssStyleDeclaration);
}
RefPtr<InjectedBundleCSSStyleDeclarationHandle> InjectedBundleCSSStyleDeclarationHandle::getOrCreate(CSSStyleDeclaration* styleDeclaration)
{
if (!styleDeclaration)
return nullptr;
RefPtr<InjectedBundleCSSStyleDeclarationHandle> newHandle;
auto result = domStyleDeclarationHandleCache().ensure(*styleDeclaration, [&] {
newHandle = adoptRef(*new InjectedBundleCSSStyleDeclarationHandle(*styleDeclaration));
return WeakRef { *newHandle };
});
return newHandle ? newHandle.releaseNonNull() : Ref { result.iterator->value.get() };
}
InjectedBundleCSSStyleDeclarationHandle::InjectedBundleCSSStyleDeclarationHandle(CSSStyleDeclaration& styleDeclaration)
: m_styleDeclaration(styleDeclaration)
{
}
InjectedBundleCSSStyleDeclarationHandle::~InjectedBundleCSSStyleDeclarationHandle()
{
domStyleDeclarationHandleCache().remove(m_styleDeclaration.get());
}
CSSStyleDeclaration* InjectedBundleCSSStyleDeclarationHandle::coreCSSStyleDeclaration()
{
return m_styleDeclaration.ptr();
}
} // namespace WebKit
|
