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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef EffectPaintPropertyNode_h | 5 #ifndef EffectPaintPropertyNode_h |
6 #define EffectPaintPropertyNode_h | 6 #define EffectPaintPropertyNode_h |
7 | 7 |
8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
9 #include "wtf/PassRefPtr.h" | 9 #include "wtf/PassRefPtr.h" |
10 #include "wtf/RefCounted.h" | 10 #include "wtf/RefCounted.h" |
11 #include "wtf/RefPtr.h" | 11 #include "wtf/RefPtr.h" |
12 | 12 |
13 #include <iosfwd> | 13 #include <iosfwd> |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 // A paint effect created by the opacity css property along with a reference to | 17 // A paint effect created by the opacity css property along with a reference to |
18 // the parent effect node, or nullptr for the root. | 18 // the parent effect node, or nullptr for the root. |
19 // TODO(pdr): Support more effects than just opacity. | 19 // TODO(pdr): Support more effects than just opacity. |
20 class PLATFORM_EXPORT EffectPaintPropertyNode : public RefCounted<EffectPaintPro
pertyNode> { | 20 class PLATFORM_EXPORT EffectPaintPropertyNode : public RefCounted<EffectPaintPro
pertyNode> { |
21 public: | 21 public: |
22 static PassRefPtr<EffectPaintPropertyNode> create(PassRefPtr<EffectPaintProp
ertyNode> parent, float opacity) | 22 static PassRefPtr<EffectPaintPropertyNode> create(PassRefPtr<const EffectPai
ntPropertyNode> parent, float opacity) |
23 { | 23 { |
24 return adoptRef(new EffectPaintPropertyNode(parent, opacity)); | 24 return adoptRef(new EffectPaintPropertyNode(parent, opacity)); |
25 } | 25 } |
26 | 26 |
27 void update(PassRefPtr<EffectPaintPropertyNode> parent, float opacity) | 27 void update(PassRefPtr<const EffectPaintPropertyNode> parent, float opacity) |
28 { | 28 { |
29 m_parent = parent; | 29 m_parent = parent; |
30 m_opacity = opacity; | 30 m_opacity = opacity; |
31 } | 31 } |
32 | 32 |
33 float opacity() const { return m_opacity; } | 33 float opacity() const { return m_opacity; } |
34 | 34 |
35 // Parent effect or nullptr if this is the root effect. | 35 // Parent effect or nullptr if this is the root effect. |
36 const EffectPaintPropertyNode* parent() const { return m_parent.get(); } | 36 const EffectPaintPropertyNode* parent() const { return m_parent.get(); } |
37 | 37 |
38 private: | 38 private: |
39 EffectPaintPropertyNode(PassRefPtr<EffectPaintPropertyNode> parent, float op
acity) | 39 EffectPaintPropertyNode(PassRefPtr<const EffectPaintPropertyNode> parent, fl
oat opacity) |
40 : m_parent(parent), m_opacity(opacity) { } | 40 : m_parent(parent), m_opacity(opacity) { } |
41 | 41 |
42 RefPtr<EffectPaintPropertyNode> m_parent; | 42 RefPtr<const EffectPaintPropertyNode> m_parent; |
43 float m_opacity; | 43 float m_opacity; |
44 }; | 44 }; |
45 | 45 |
46 // Redeclared here to avoid ODR issues. | 46 // Redeclared here to avoid ODR issues. |
47 // See platform/testing/PaintPrinters.h. | 47 // See platform/testing/PaintPrinters.h. |
48 void PrintTo(const EffectPaintPropertyNode&, std::ostream*); | 48 void PrintTo(const EffectPaintPropertyNode&, std::ostream*); |
49 | 49 |
50 } // namespace blink | 50 } // namespace blink |
51 | 51 |
52 #endif // EffectPaintPropertyNode_h | 52 #endif // EffectPaintPropertyNode_h |
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