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// Copyright 2017 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 "third_party/blink/renderer/core/paint/ng/ng_fragment_painter.h"
#include "third_party/blink/renderer/core/layout/ng/ng_outline_utils.h"
#include "third_party/blink/renderer/core/paint/paint_info.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context_state_saver.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
namespace blink {
void NGFragmentPainter::PaintOutline(const PaintInfo& paint_info,
const PhysicalOffset& paint_offset,
const ComputedStyle& style_to_use) {
const NGPhysicalBoxFragment& fragment = PhysicalFragment();
DCHECK(NGOutlineUtils::HasPaintedOutline(style_to_use, fragment.GetNode()));
Vector<PhysicalRect> outline_rects;
fragment.AddSelfOutlineRects(
paint_offset, style_to_use.OutlineRectsShouldIncludeBlockVisualOverflow(),
&outline_rects);
if (outline_rects.IsEmpty())
return;
const DisplayItemClient& display_item_client = GetDisplayItemClient();
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, display_item_client, paint_info.phase))
return;
IntRect visual_rect =
PixelSnappedIntRect(UnionRectEvenIfEmpty(outline_rects));
visual_rect.Inflate(style_to_use.OutlineOutsetExtent());
DrawingRecorder recorder(paint_info.context, display_item_client,
paint_info.phase, visual_rect);
PaintOutlineRects(paint_info, outline_rects, style_to_use);
}
void NGFragmentPainter::AddURLRectIfNeeded(const PaintInfo& paint_info,
const PhysicalOffset& paint_offset) {
DCHECK(paint_info.ShouldAddUrlMetadata());
// TODO(layout-dev): Should use break token when NG has its own tree building.
const NGPhysicalBoxFragment& fragment = PhysicalFragment();
if (fragment.GetLayoutObject()->IsElementContinuation() ||
fragment.Style().Visibility() != EVisibility::kVisible)
return;
Node* node = fragment.GetNode();
if (!node || !node->IsLink())
return;
KURL url = To<Element>(node)->HrefURL();
if (!url.IsValid())
return;
auto outline_rects = fragment.GetLayoutObject()->OutlineRects(
paint_offset, NGOutlineType::kIncludeBlockVisualOverflow);
IntRect rect = PixelSnappedIntRect(UnionRect(outline_rects));
if (rect.IsEmpty())
return;
const DisplayItemClient& display_item_client = GetDisplayItemClient();
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, display_item_client,
DisplayItem::kPrintedContentPDFURLRect))
return;
DrawingRecorder recorder(paint_info.context, display_item_client,
DisplayItem::kPrintedContentPDFURLRect);
Document& document = fragment.GetLayoutObject()->GetDocument();
if (url.HasFragmentIdentifier() &&
EqualIgnoringFragmentIdentifier(url, document.BaseURL())) {
String fragment_name = url.FragmentIdentifier();
if (document.FindAnchor(fragment_name))
paint_info.context.SetURLFragmentForRect(fragment_name, rect);
return;
}
paint_info.context.SetURLForRect(url, rect);
}
} // namespace blink
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