1 /*
2 * Copyright (C) 2007, 2008 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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "JSCSSValue.h"
28
29 #include "CSSPrimitiveValue.h"
30 #include "CSSValueList.h"
31 #include "JSCSSPrimitiveValue.h"
32 #include "JSCSSValueList.h"
33 #include "JSNode.h"
34 #include "JSWebKitCSSTransformValue.h"
35 #include "WebKitCSSTransformValue.h"
36
37 #if ENABLE(SVG)
38 #include "JSSVGColor.h"
39 #include "JSSVGPaint.h"
40 #include "SVGColor.h"
41 #include "SVGPaint.h"
42 #endif
43
44 using namespace JSC;
45
46 namespace WebCore {
47
isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle,void * context,MarkStack & markStack)48 bool JSCSSValueOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void* context, MarkStack& markStack)
49 {
50 JSCSSValue* jsCSSValue = static_cast<JSCSSValue*>(handle.get().asCell());
51 if (!jsCSSValue->hasCustomProperties())
52 return false;
53 DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
54 void* root = world->m_cssValueRoots.get(jsCSSValue->impl());
55 if (!root)
56 return false;
57 return markStack.containsOpaqueRoot(root);
58 }
59
finalize(JSC::Handle<JSC::Unknown> handle,void * context)60 void JSCSSValueOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
61 {
62 JSCSSValue* jsCSSValue = static_cast<JSCSSValue*>(handle.get().asCell());
63 DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
64 world->m_cssValueRoots.remove(jsCSSValue->impl());
65 uncacheWrapper(world, jsCSSValue->impl(), jsCSSValue);
66 }
67
toJS(ExecState * exec,JSDOMGlobalObject * globalObject,CSSValue * value)68 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, CSSValue* value)
69 {
70 if (!value)
71 return jsNull();
72
73 JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), value);
74
75 if (wrapper)
76 return wrapper;
77
78 if (value->isWebKitCSSTransformValue())
79 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, WebKitCSSTransformValue, value);
80 else if (value->isValueList())
81 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSValueList, value);
82 #if ENABLE(SVG)
83 else if (value->isSVGPaint())
84 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, SVGPaint, value);
85 else if (value->isSVGColor())
86 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, SVGColor, value);
87 #endif
88 else if (value->isPrimitiveValue())
89 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSPrimitiveValue, value);
90 else
91 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSValue, value);
92
93 return wrapper;
94 }
95
96 } // namespace WebCore
97