/* * 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) : FormattingContext(formattingContextRoot) { } void InlineFormattingContext::layout(LayoutContext&, FormattingState&) const { } std::unique_ptr<FormattingState> InlineFormattingContext::createFormattingState(Ref<FloatingState>&& floatingState, const LayoutContext& layoutContext) const { return std::make_unique<InlineFormattingState>(WTFMove(floatingState), layoutContext); } Ref<FloatingState> InlineFormattingContext::createOrFindFloatingState(LayoutContext& layoutContext) 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(); } void InlineFormattingContext::computeStaticPosition(LayoutContext&, const Box&, Display::Box&) const { } void InlineFormattingContext::computeInFlowPositionedPosition(LayoutContext&, const Box&, Display::Box&) const { } FormattingContext::InstrinsicWidthConstraints InlineFormattingContext::instrinsicWidthConstraints(LayoutContext&, const Box&) const { return { }; } } } #endif