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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Neither the name of Google Inc. nor the names of its | 10 * * Neither the name of Google Inc. nor the names of its |
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25 */ | 25 */ |
26 | 26 |
27 #ifndef PseudoElement_h | 27 #ifndef PseudoElement_h |
28 #define PseudoElement_h | 28 #define PseudoElement_h |
29 | 29 |
30 #include "core/dom/Element.h" | 30 #include "core/dom/Element.h" |
31 #include "core/rendering/style/RenderStyle.h" | 31 #include "core/rendering/style/RenderStyle.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 class PseudoElement : public Element { | 35 class PseudoElement final : public Element { |
36 public: | 36 public: |
37 static PassRefPtrWillBeRawPtr<PseudoElement> create(Element* parent, PseudoI
d); | 37 static PassRefPtrWillBeRawPtr<PseudoElement> create(Element* parent, PseudoI
d pseudoId) |
| 38 { |
| 39 return adoptRefWillBeNoop(new PseudoElement(parent, pseudoId)); |
| 40 } |
38 | 41 |
39 virtual PassRefPtr<RenderStyle> customStyleForRenderer() override; | 42 virtual PassRefPtr<RenderStyle> customStyleForRenderer() override; |
40 virtual void attach(const AttachContext& = AttachContext()) override; | 43 virtual void attach(const AttachContext& = AttachContext()) override; |
41 virtual bool rendererIsNeeded(const RenderStyle&) override; | 44 virtual bool rendererIsNeeded(const RenderStyle&) override; |
42 | 45 |
43 virtual bool canStartSelection() const override { return false; } | 46 virtual bool canStartSelection() const override { return false; } |
44 virtual bool canContainRangeEndPoint() const override { return false; } | 47 virtual bool canContainRangeEndPoint() const override { return false; } |
45 virtual PseudoId pseudoId() const override { return m_pseudoId; } | 48 virtual PseudoId pseudoId() const override { return m_pseudoId; } |
46 | 49 |
47 static String pseudoElementNameForEvents(PseudoId); | 50 static String pseudoElementNameForEvents(PseudoId); |
48 | 51 |
49 virtual void dispose(); | 52 void dispose(); |
50 | 53 |
51 protected: | 54 private: |
52 PseudoElement(Element*, PseudoId); | 55 PseudoElement(Element*, PseudoId); |
53 | 56 |
54 private: | |
55 virtual void didRecalcStyle(StyleRecalcChange) override; | 57 virtual void didRecalcStyle(StyleRecalcChange) override; |
56 | 58 |
57 PseudoId m_pseudoId; | 59 PseudoId m_pseudoId; |
58 }; | 60 }; |
59 | 61 |
60 const QualifiedName& pseudoElementTagName(); | 62 const QualifiedName& pseudoElementTagName(); |
61 | 63 |
62 inline bool pseudoElementRendererIsNeeded(const RenderStyle* style) | 64 inline bool pseudoElementRendererIsNeeded(const RenderStyle* style) |
63 { | 65 { |
64 if (!style) | 66 return style && style->display() != NONE && (style->styleType() == BACKDROP
|| style->contentData()); |
65 return false; | |
66 if (style->display() == NONE) | |
67 return false; | |
68 if (style->styleType() == FIRST_LETTER || style->styleType() == BACKDROP) | |
69 return true; | |
70 return style->contentData(); | |
71 } | 67 } |
72 | 68 |
73 DEFINE_ELEMENT_TYPE_CASTS(PseudoElement, isPseudoElement()); | 69 DEFINE_ELEMENT_TYPE_CASTS(PseudoElement, isPseudoElement()); |
74 | 70 |
75 } // namespace | 71 } // namespace |
76 | 72 |
77 #endif | 73 #endif |
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