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Issue 2490163002: Reland of "Tracking reference filter mutation via SVGElementProxy" (Closed)
Patch Set: Fix double observer unregistration; simplify scope selection; add tests Created 4 years, 1 month ago
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1 /*
2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
3 * Copyright (C) 2013 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #ifndef ReferenceFilterBuilder_h
32 #define ReferenceFilterBuilder_h
33
34 #include "core/fetch/DocumentResourceReference.h"
35 #include "wtf/Allocator.h"
36
37 namespace blink {
38
39 class Element;
40 class FilterOperation;
41 class ReferenceFilterOperation;
42 class SVGFilterElement;
43
44 class ReferenceFilterBuilder {
45 STATIC_ONLY(ReferenceFilterBuilder);
46
47 public:
48 static DocumentResourceReference* documentResourceReference(
49 const FilterOperation*);
50 static void setDocumentResourceReference(const FilterOperation*,
51 DocumentResourceReference*);
52
53 static SVGFilterElement* resolveFilterReference(
54 const ReferenceFilterOperation&,
55 Element&);
56 };
57
58 } // namespace blink
59
60 #endif // ReferenceFilterBuilder_h
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