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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 |
46 // Compute part of position that depends on child's inline_size | 51 // Compute part of position that depends on child's inline_size |
47 // returns partially filled position. | 52 // returns partially filled position. |
48 CORE_EXPORT NGAbsolutePhysicalPosition | 53 CORE_EXPORT NGAbsolutePhysicalPosition |
49 ComputePartialAbsoluteWithChildInlineSize( | 54 ComputePartialAbsoluteWithChildInlineSize( |
50 const NGConstraintSpace& space, | 55 const NGConstraintSpace& space, |
51 const ComputedStyle& style, | 56 const ComputedStyle& style, |
52 const NGStaticPosition&, | 57 const NGStaticPosition&, |
53 const Optional<MinAndMaxContentSizes>& child_minmax); | 58 const Optional<MinAndMaxContentSizes>& child_minmax); |
54 | 59 |
55 // Compute rest of NGPhysicalRect that depends on child's block_size. | 60 // Compute rest of NGPhysicalRect that depends on child's block_size. |
56 CORE_EXPORT void ComputeFullAbsoluteWithChildBlockSize( | 61 CORE_EXPORT void ComputeFullAbsoluteWithChildBlockSize( |
57 const NGConstraintSpace& space, | 62 const NGConstraintSpace& space, |
58 const ComputedStyle& style, | 63 const ComputedStyle& style, |
59 const NGStaticPosition&, | 64 const NGStaticPosition&, |
60 const Optional<LayoutUnit>& child_block_size, | 65 const Optional<LayoutUnit>& child_block_size, |
61 NGAbsolutePhysicalPosition* position); | 66 NGAbsolutePhysicalPosition* position); |
62 | 67 |
63 // TODO(atotic) Absolute coordinates for replaced elements | 68 // TODO(atotic) Absolute coordinates for replaced elements |
64 // ComputeAbsoluteReplaced. | 69 // ComputeAbsoluteReplaced. |
65 // https://www.w3.org/TR/css-position-3/#abs-replaced-width | 70 // https://www.w3.org/TR/css-position-3/#abs-replaced-width |
66 } // namespace blink | 71 } // namespace blink |
67 | 72 |
68 #endif // NGAbsoluteUtils_h | 73 #endif // NGAbsoluteUtils_h |
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