| // 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_exclusion.h" |
| |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| bool NGExclusion::operator==(const NGExclusion& other) const { |
| return std::tie(other.rect, other.type) == std::tie(rect, type); |
| } |
| |
| String NGExclusion::ToString() const { |
| return String::format("Rect: %s Type: %d", rect.ToString().ascii().data(), |
| type); |
| } |
| |
| bool NGExclusion::MaybeCombineWith(const NGExclusion& other) { |
| if (other.rect.BlockEndOffset() < rect.BlockEndOffset()) |
| return false; |
| |
| if (other.type != type) |
| return false; |
| |
| switch (other.type) { |
| case NGExclusion::kFloatLeft: { |
| if (other.rect.offset == rect.InlineEndBlockStartOffset()) { |
| rect.size = {other.rect.InlineSize() + rect.InlineSize(), |
| other.rect.BlockSize()}; |
| return true; |
| } |
| } |
| case NGExclusion::kFloatRight: { |
| if (rect.offset == other.rect.InlineEndBlockStartOffset()) { |
| rect.offset = other.rect.offset; |
| rect.size = {other.rect.InlineSize() + rect.InlineSize(), |
| other.rect.BlockSize()}; |
| return true; |
| } |
| } |
| default: |
| return false; |
| } |
| } |
| |
| std::ostream& operator<<(std::ostream& stream, const NGExclusion& value) { |
| return stream << value.ToString(); |
| } |
| |
| NGExclusions::NGExclusions() |
| : last_left_float(nullptr), last_right_float(nullptr) {} |
| |
| NGExclusions::NGExclusions(const NGExclusions& other) { |
| for (const auto& exclusion : other.storage) |
| Add(*exclusion); |
| } |
| |
| void NGExclusions::Add(const NGExclusion& exclusion) { |
| storage.push_back(WTF::makeUnique<NGExclusion>(exclusion)); |
| if (exclusion.type == NGExclusion::kFloatLeft) { |
| last_left_float = storage.rbegin()->get(); |
| } else if (exclusion.type == NGExclusion::kFloatRight) { |
| last_right_float = storage.rbegin()->get(); |
| } |
| } |
| |
| inline NGExclusions& NGExclusions::operator=(const NGExclusions& other) { |
| storage.clear(); |
| last_left_float = nullptr; |
| last_right_float = nullptr; |
| for (const auto& exclusion : other.storage) |
| Add(*exclusion); |
| return *this; |
| } |
| |
| } // namespace blink |