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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 NGAbsoluteUtils_h | 5 #ifndef NGAbsoluteUtils_h |
6 #define NGAbsoluteUtils_h | 6 #define NGAbsoluteUtils_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 "platform/LayoutUnit.h" | 10 #include "platform/LayoutUnit.h" |
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36 // upon child's block_size. | 36 // upon child's block_size. |
37 | 37 |
38 // True if ComputePartialAbsoluteWithChildInlineSize will need | 38 // True if ComputePartialAbsoluteWithChildInlineSize will need |
39 // estimated inline size. | 39 // estimated inline size. |
40 CORE_EXPORT bool AbsoluteNeedsChildInlineSize(const ComputedStyle&); | 40 CORE_EXPORT bool AbsoluteNeedsChildInlineSize(const ComputedStyle&); |
41 | 41 |
42 // True if ComputeFullAbsoluteWithChildBlockSize will need | 42 // True if ComputeFullAbsoluteWithChildBlockSize will need |
43 // estimated block size. | 43 // estimated block size. |
44 CORE_EXPORT bool AbsoluteNeedsChildBlockSize(const ComputedStyle&); | 44 CORE_EXPORT bool AbsoluteNeedsChildBlockSize(const ComputedStyle&); |
45 | 45 |
46 // True if the container will contain an absolute child. | |
47 CORE_EXPORT bool IsContainingBlockForAbsoluteChild( | |
48 const ComputedStyle& container_style, | |
49 const ComputedStyle& child_style); | |
50 | |
51 // Compute part of position that depends on child's inline_size | 46 // Compute part of position that depends on child's inline_size |
52 // returns partially filled position. | 47 // returns partially filled position. |
53 CORE_EXPORT NGAbsolutePhysicalPosition | 48 CORE_EXPORT NGAbsolutePhysicalPosition |
54 ComputePartialAbsoluteWithChildInlineSize( | 49 ComputePartialAbsoluteWithChildInlineSize( |
55 const NGConstraintSpace& space, | 50 const NGConstraintSpace& space, |
56 const ComputedStyle& style, | 51 const ComputedStyle& style, |
57 const NGStaticPosition&, | 52 const NGStaticPosition&, |
58 const Optional<MinAndMaxContentSizes>& child_minmax); | 53 const Optional<MinAndMaxContentSizes>& child_minmax); |
59 | 54 |
60 // Compute rest of NGPhysicalRect that depends on child's block_size. | 55 // Compute rest of NGPhysicalRect that depends on child's block_size. |
61 CORE_EXPORT void ComputeFullAbsoluteWithChildBlockSize( | 56 CORE_EXPORT void ComputeFullAbsoluteWithChildBlockSize( |
62 const NGConstraintSpace& space, | 57 const NGConstraintSpace& space, |
63 const ComputedStyle& style, | 58 const ComputedStyle& style, |
64 const NGStaticPosition&, | 59 const NGStaticPosition&, |
65 const Optional<LayoutUnit>& child_block_size, | 60 const Optional<LayoutUnit>& child_block_size, |
66 NGAbsolutePhysicalPosition* position); | 61 NGAbsolutePhysicalPosition* position); |
67 | 62 |
68 // TODO(atotic) Absolute coordinates for replaced elements | 63 // TODO(atotic) Absolute coordinates for replaced elements |
69 // ComputeAbsoluteReplaced. | 64 // ComputeAbsoluteReplaced. |
70 // https://www.w3.org/TR/css-position-3/#abs-replaced-width | 65 // https://www.w3.org/TR/css-position-3/#abs-replaced-width |
71 } // namespace blink | 66 } // namespace blink |
72 | 67 |
73 #endif // NGAbsoluteUtils_h | 68 #endif // NGAbsoluteUtils_h |
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