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/*
* Copyright (C) 2019-2020 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 "Highlight.h"
#include "IDLTypes.h"
#include "JSDOMSetLike.h"
#include "JSStaticRange.h"
#include "NodeTraversal.h"
#include "PropertySetCSSStyleDeclaration.h"
#include "RenderBlockFlow.h"
#include "RenderObject.h"
#include "StaticRange.h"
#include "StyleProperties.h"
#include <wtf/Ref.h>
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "LayoutIntegrationLineLayout.h"
#endif
namespace WebCore {
Highlight::Highlight(Ref<StaticRange>&& range)
{
auto myRange = WTFMove(range);
addToSetLike(myRange.get());
}
Ref<Highlight> Highlight::create(StaticRange& range)
{
return adoptRef(*new Highlight(range));
}
void Highlight::initializeSetLike(DOMSetAdapter& set)
{
for (auto& rangeData : m_rangesData)
set.add<IDLInterface<StaticRange>>(rangeData->range);
}
static void repaintRange(const SimpleRange& range)
{
// FIXME: Unclear precisely why we need to handle out of order cases here, but not unordered cases.
auto sortedRange = range;
if (is_gt(treeOrder<ComposedTree>(range.start, range.end)))
std::swap(sortedRange.start, sortedRange.end);
for (auto& node : intersectingNodes(sortedRange)) {
if (auto renderer = node.renderer()) {
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
if (auto lineLayout = LayoutIntegration::LineLayout::containing(*renderer))
lineLayout->flow().ensureLineBoxes();
#endif
renderer->repaint();
}
}
}
bool Highlight::removeFromSetLike(const StaticRange& range)
{
return m_rangesData.removeFirstMatching([&range](const Ref<HighlightRangeData>& current) {
repaintRange(range);
return current.get().range.get() == range;
});
}
void Highlight::clearFromSetLike()
{
for (auto& data : m_rangesData)
repaintRange(data->range);
m_rangesData.clear();
}
bool Highlight::addToSetLike(StaticRange& range)
{
if (notFound != m_rangesData.findMatching([&range](const Ref<HighlightRangeData>& current) { return current.get().range.get() == range; }))
return false;
repaintRange(range);
m_rangesData.append(HighlightRangeData::create(range));
return true;
}
void Highlight::repaint()
{
for (auto& data : m_rangesData)
repaintRange(data->range);
}
}
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