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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 NGFragmentBase_h | 5 #ifndef NGFragmentBase_h |
6 #define NGFragmentBase_h | 6 #define NGFragmentBase_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/ng/ng_physical_constraint_space.h" | 9 #include "core/layout/ng/ng_physical_constraint_space.h" |
10 #include "core/layout/ng/ng_writing_mode.h" | 10 #include "core/layout/ng/ng_writing_mode.h" |
11 #include "core/layout/ng/ng_units.h" | 11 #include "core/layout/ng/ng_units.h" |
12 #include "platform/LayoutUnit.h" | 12 #include "platform/LayoutUnit.h" |
13 #include "platform/heap/Handle.h" | 13 #include "platform/heap/Handle.h" |
14 #include "wtf/Vector.h" | 14 #include "wtf/Vector.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 class NGPhysicalFragmentBase; | 18 class NGPhysicalFragmentBase; |
19 | 19 |
20 class CORE_EXPORT NGFragmentBase : public GarbageCollected<NGFragmentBase> { | 20 class CORE_EXPORT NGFragmentBase |
| 21 : public GarbageCollectedFinalized<NGFragmentBase> { |
21 public: | 22 public: |
22 NGWritingMode WritingMode() const { | 23 NGWritingMode WritingMode() const { |
23 return static_cast<NGWritingMode>(writing_mode_); | 24 return static_cast<NGWritingMode>(writing_mode_); |
24 } | 25 } |
25 NGDirection Direction() const { return static_cast<NGDirection>(direction_); } | 26 NGDirection Direction() const { return static_cast<NGDirection>(direction_); } |
26 | 27 |
27 // Returns the border-box size. | 28 // Returns the border-box size. |
28 LayoutUnit InlineSize() const; | 29 LayoutUnit InlineSize() const; |
29 LayoutUnit BlockSize() const; | 30 LayoutUnit BlockSize() const; |
30 | 31 |
31 // Returns the total size, including the contents outside of the border-box. | 32 // Returns the total size, including the contents outside of the border-box. |
32 LayoutUnit InlineOverflow() const; | 33 LayoutUnit InlineOverflow() const; |
33 LayoutUnit BlockOverflow() const; | 34 LayoutUnit BlockOverflow() const; |
34 | 35 |
35 // Returns the offset relative to the parent fragement's content-box. | 36 // Returns the offset relative to the parent fragement's content-box. |
36 LayoutUnit InlineOffset() const; | 37 LayoutUnit InlineOffset() const; |
37 LayoutUnit BlockOffset() const; | 38 LayoutUnit BlockOffset() const; |
38 | 39 |
39 NGMarginStrut MarginStrut() const; | 40 NGMarginStrut MarginStrut() const; |
40 | 41 |
41 NGPhysicalFragmentBase* PhysicalFragment() const { | 42 NGPhysicalFragmentBase* PhysicalFragment() const { |
42 return physical_fragment_; | 43 return physical_fragment_.get(); |
43 }; | 44 }; |
44 | 45 |
45 DECLARE_TRACE(); | 46 DEFINE_INLINE_TRACE(){}; |
46 | 47 |
47 protected: | 48 protected: |
48 NGFragmentBase(NGWritingMode writing_mode, | 49 NGFragmentBase(NGWritingMode writing_mode, |
49 NGDirection direction, | 50 NGDirection direction, |
50 NGPhysicalFragmentBase* physical_fragment) | 51 NGPhysicalFragmentBase* physical_fragment) |
51 : physical_fragment_(physical_fragment), | 52 : physical_fragment_(physical_fragment), |
52 writing_mode_(writing_mode), | 53 writing_mode_(writing_mode), |
53 direction_(direction) {} | 54 direction_(direction) {} |
54 | 55 |
55 Member<NGPhysicalFragmentBase> physical_fragment_; | 56 std::unique_ptr<NGPhysicalFragmentBase> physical_fragment_; |
56 | 57 |
57 unsigned writing_mode_ : 3; | 58 unsigned writing_mode_ : 3; |
58 unsigned direction_ : 1; | 59 unsigned direction_ : 1; |
59 }; | 60 }; |
60 | 61 |
61 } // namespace blink | 62 } // namespace blink |
62 | 63 |
63 #endif // NGFragmentBase_h | 64 #endif // NGFragmentBase_h |
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