| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/layout/ng/ng_derived_constraint_space.h" |
| |
| #include "core/layout/LayoutBox.h" |
| #include "core/style/ComputedStyle.h" |
| |
| namespace blink { |
| |
| NGDerivedConstraintSpace* NGDerivedConstraintSpace::CreateFromLayoutObject( |
| const LayoutBox& box) { |
| bool fixed_inline = false, fixed_block = false; |
| // XXX for orthogonal writing mode this is not right |
| LayoutUnit container_logical_width = |
| std::max(LayoutUnit(), box.containingBlockLogicalWidthForContent()); |
| // XXX Make sure this height is correct |
| LayoutUnit container_logical_height = |
| box.containingBlockLogicalHeightForContent(ExcludeMarginBorderPadding); |
| if (box.hasOverrideLogicalContentWidth()) { |
| container_logical_width = box.overrideLogicalContentWidth(); |
| fixed_inline = true; |
| } |
| if (box.hasOverrideLogicalContentHeight()) { |
| container_logical_width = box.overrideLogicalContentHeight(); |
| fixed_block = true; |
| } |
| |
| return new NGDerivedConstraintSpace( |
| FromPlatformWritingMode(box.styleRef().getWritingMode()), |
| NGLogicalSize(container_logical_width, container_logical_height), |
| box.styleRef().overflowInlineDirection() == OverflowAuto, |
| box.styleRef().overflowBlockDirection() == OverflowAuto, fixed_inline, |
| fixed_block, FragmentNone); |
| } |
| |
| NGDerivedConstraintSpace::NGDerivedConstraintSpace(NGWritingMode writing_mode, |
| NGLogicalSize container_size, |
| bool inline_triggers, |
| bool block_triggers, |
| bool fixed_inline, |
| bool fixed_block, |
| NGFragmentationType type) |
| : NGConstraintSpace(writing_mode, container_size), direction_(LeftToRight) { |
| SetOverflowTriggersScrollbar(inline_triggers, block_triggers); |
| SetFixedSize(fixed_inline, fixed_block); |
| SetFragmentationType(type); |
| } |
| |
| } // namespace blink |
