| /* |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "InlineFormattingContext.h" |
| |
| #if ENABLE(LAYOUT_FORMATTING_CONTEXT) |
| |
| #include "FloatingState.h" |
| #include "InlineFormattingState.h" |
| #include "LayoutBox.h" |
| #include "LayoutContext.h" |
| #include <wtf/IsoMallocInlines.h> |
| |
| namespace WebCore { |
| namespace Layout { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(InlineFormattingContext); |
| |
| InlineFormattingContext::InlineFormattingContext(const Box& formattingContextRoot, LayoutContext& layoutContext) |
| : FormattingContext(formattingContextRoot, layoutContext) |
| { |
| } |
| |
| void InlineFormattingContext::layout(LayoutContext&, FormattingState&) const |
| { |
| } |
| |
| std::unique_ptr<FormattingState> InlineFormattingContext::createFormattingState(Ref<FloatingState>&& floatingState) const |
| { |
| return std::make_unique<InlineFormattingState>(WTFMove(floatingState)); |
| } |
| |
| Ref<FloatingState> InlineFormattingContext::createOrFindFloatingState() const |
| { |
| // If the block container box that initiates this inline formatting context also establishes a block context, the floats outside of the formatting root |
| // should not interfere with the content inside. |
| // <div style="float: left"></div><div style="overflow: hidden"> <- is a non-intrusive float, because overflow: hidden triggers new block formatting context.</div> |
| if (root().establishesBlockFormattingContext()) |
| return FloatingState::create(); |
| // Otherwise, the formatting context inherits the floats from the parent formatting context. |
| // Find the formatting state in which this formatting root lives, not the one it creates (this) and use its floating state. |
| auto& formattingState = layoutContext().formattingStateForBox(root()); |
| return formattingState.floatingState(); |
| } |
| |
| } |
| } |
| |
| #endif |