OLD | NEW |
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 NGPhysicalFragment_h | 5 #ifndef NGPhysicalFragment_h |
6 #define NGPhysicalFragment_h | 6 #define NGPhysicalFragment_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/layout/ng/ng_break_token.h" |
9 #include "core/layout/ng/ng_units.h" | 10 #include "core/layout/ng/ng_units.h" |
10 #include "platform/LayoutUnit.h" | 11 #include "platform/LayoutUnit.h" |
11 #include "platform/heap/Handle.h" | 12 #include "platform/heap/Handle.h" |
| 13 #include "wtf/RefPtr.h" |
12 #include "wtf/Vector.h" | 14 #include "wtf/Vector.h" |
13 | 15 |
14 namespace blink { | 16 namespace blink { |
15 | 17 |
16 class ComputedStyle; | 18 class ComputedStyle; |
17 class LayoutObject; | 19 class LayoutObject; |
18 class NGBreakToken; | |
19 | 20 |
20 // The NGPhysicalFragment contains the output geometry from layout. The | 21 // The NGPhysicalFragment contains the output geometry from layout. The |
21 // fragment stores all of its information in the physical coordinate system for | 22 // fragment stores all of its information in the physical coordinate system for |
22 // use by paint, hit-testing etc. | 23 // use by paint, hit-testing etc. |
23 // | 24 // |
24 // The fragment keeps a pointer back to the LayoutObject which generated it. | 25 // The fragment keeps a pointer back to the LayoutObject which generated it. |
25 // Once we have transitioned fully to LayoutNG it should be a const pointer | 26 // Once we have transitioned fully to LayoutNG it should be a const pointer |
26 // such that paint/hit-testing/etc don't modify it. | 27 // such that paint/hit-testing/etc don't modify it. |
27 // | 28 // |
28 // Layout code should only access geometry information through the | 29 // Layout code should only access geometry information through the |
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
72 return offset_; | 73 return offset_; |
73 } | 74 } |
74 | 75 |
75 // Should only be used by the parent fragement's layout. | 76 // Should only be used by the parent fragement's layout. |
76 void SetOffset(NGPhysicalOffset offset) { | 77 void SetOffset(NGPhysicalOffset offset) { |
77 DCHECK(!is_placed_); | 78 DCHECK(!is_placed_); |
78 offset_ = offset; | 79 offset_ = offset; |
79 is_placed_ = true; | 80 is_placed_ = true; |
80 } | 81 } |
81 | 82 |
82 NGBreakToken* BreakToken() const { return break_token_; } | 83 NGBreakToken* BreakToken() const { return break_token_.get(); } |
83 | 84 |
84 const ComputedStyle& Style() const; | 85 const ComputedStyle& Style() const; |
85 | 86 |
86 // GetLayoutObject should only be used when necessary for compatibility | 87 // GetLayoutObject should only be used when necessary for compatibility |
87 // with LegacyLayout. | 88 // with LegacyLayout. |
88 LayoutObject* GetLayoutObject() const { return layout_object_; } | 89 LayoutObject* GetLayoutObject() const { return layout_object_; } |
89 | 90 |
90 bool IsPlaced() const { return is_placed_; } | 91 bool IsPlaced() const { return is_placed_; } |
91 | 92 |
92 protected: | 93 protected: |
93 NGPhysicalFragment(LayoutObject* layout_object, | 94 NGPhysicalFragment(LayoutObject* layout_object, |
94 NGPhysicalSize size, | 95 NGPhysicalSize size, |
95 NGPhysicalSize overflow, | 96 NGPhysicalSize overflow, |
96 NGFragmentType type, | 97 NGFragmentType type, |
97 NGBreakToken* break_token = nullptr); | 98 RefPtr<NGBreakToken> break_token = nullptr); |
98 | 99 |
99 LayoutObject* layout_object_; | 100 LayoutObject* layout_object_; |
100 NGPhysicalSize size_; | 101 NGPhysicalSize size_; |
101 NGPhysicalSize overflow_; | 102 NGPhysicalSize overflow_; |
102 NGPhysicalOffset offset_; | 103 NGPhysicalOffset offset_; |
103 Persistent<NGBreakToken> break_token_; | 104 RefPtr<NGBreakToken> break_token_; |
104 | 105 |
105 unsigned type_ : 1; | 106 unsigned type_ : 1; |
106 unsigned is_placed_ : 1; | 107 unsigned is_placed_ : 1; |
107 | 108 |
108 private: | 109 private: |
109 void destroy() const; | 110 void destroy() const; |
110 }; | 111 }; |
111 | 112 |
112 } // namespace blink | 113 } // namespace blink |
113 | 114 |
114 #endif // NGPhysicalFragment_h | 115 #endif // NGPhysicalFragment_h |
OLD | NEW |