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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 NGLengthUtils_h | 5 #ifndef NGLengthUtils_h |
6 #define NGLengthUtils_h | 6 #define NGLengthUtils_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/ng/ng_units.h" | 9 #include "core/layout/ng/ng_units.h" |
10 #include "core/layout/ng/ng_writing_mode.h" | 10 #include "core/layout/ng/ng_writing_mode.h" |
11 #include "platform/text/TextDirection.h" | 11 #include "platform/text/TextDirection.h" |
12 #include "wtf/Optional.h" | 12 #include "wtf/Optional.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 class ComputedStyle; | 15 class ComputedStyle; |
16 class LayoutUnit; | 16 class LayoutUnit; |
17 class Length; | 17 class Length; |
18 struct MinAndMaxContentSizes; | 18 struct MinAndMaxContentSizes; |
19 class NGConstraintSpace; | 19 class NGConstraintSpace; |
20 struct NGBoxStrut; | 20 struct NGBoxStrut; |
21 class NGFragmentBase; | 21 class NGFragmentBase; |
22 | 22 |
23 enum class LengthResolveType { | 23 enum class LengthResolveType { |
24 MinSize, | 24 kMinSize, |
25 MaxSize, | 25 kMaxSize, |
26 ContentSize, | 26 kContentSize, |
27 MarginBorderPaddingSize | 27 kMarginBorderPaddingSize |
28 }; | 28 }; |
29 | 29 |
30 #define NGSizeIndefinite LayoutUnit(-1) | 30 #define NGSizeIndefinite LayoutUnit(-1) |
31 | 31 |
32 // Whether the caller needs to compute min-content and max-content sizes to | 32 // Whether the caller needs to compute min-content and max-content sizes to |
33 // pass them to ResolveInlineLength / ComputeInlineSizeForFragment. | 33 // pass them to ResolveInlineLength / ComputeInlineSizeForFragment. |
34 // If this function returns false, it is safe to pass an empty | 34 // If this function returns false, it is safe to pass an empty |
35 // MinAndMaxContentSizes struct to those functions. | 35 // MinAndMaxContentSizes struct to those functions. |
36 CORE_EXPORT bool NeedMinAndMaxContentSizes(const ComputedStyle&); | 36 CORE_EXPORT bool NeedMinAndMaxContentSizes(const ComputedStyle&); |
37 | 37 |
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100 // the fragment to compute the margins that are auto, if any, and adjusts | 100 // the fragment to compute the margins that are auto, if any, and adjusts |
101 // the given NGBoxStrut accordingly. | 101 // the given NGBoxStrut accordingly. |
102 CORE_EXPORT void ApplyAutoMargins(const NGConstraintSpace&, | 102 CORE_EXPORT void ApplyAutoMargins(const NGConstraintSpace&, |
103 const ComputedStyle&, | 103 const ComputedStyle&, |
104 const NGFragmentBase&, | 104 const NGFragmentBase&, |
105 NGBoxStrut* margins); | 105 NGBoxStrut* margins); |
106 | 106 |
107 } // namespace blink | 107 } // namespace blink |
108 | 108 |
109 #endif // NGLengthUtils_h | 109 #endif // NGLengthUtils_h |
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