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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/layout/ng/ng_physical_fragment.h"
#include "third_party/blink/renderer/core/paint/ng/ng_paint_fragment.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"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
namespace blink {
void NGFragmentPainter::PaintOutline(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
DCHECK(ShouldPaintSelfOutline(paint_info.phase));
if (!NGOutlineUtils::HasPaintedOutline(paint_fragment_.Style(),
paint_fragment_.GetNode()))
return;
Vector<LayoutRect> outline_rects;
paint_fragment_.AddSelfOutlineRect(
&outline_rects, paint_offset,
paint_fragment_.GetLayoutObject()
->OutlineRectsShouldIncludeBlockVisualOverflow());
if (outline_rects.IsEmpty())
return;
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, paint_fragment_, paint_info.phase))
return;
DrawingRecorder recorder(paint_info.context, paint_fragment_,
paint_info.phase);
PaintOutlineRects(paint_info, outline_rects, paint_fragment_.Style());
}
void NGFragmentPainter::AddPDFURLRectIfNeeded(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
DCHECK(paint_info.IsPrinting());
// TODO(layout-dev): Should use break token when NG has its own tree building.
if (paint_fragment_.GetLayoutObject()->IsElementContinuation() ||
!paint_fragment_.GetNode() || !paint_fragment_.GetNode()->IsLink() ||
paint_fragment_.Style().Visibility() != EVisibility::kVisible)
return;
KURL url = ToElement(paint_fragment_.GetNode())->HrefURL();
if (!url.IsValid())
return;
IntRect rect = PixelSnappedIntRect(paint_fragment_.VisualRect());
if (rect.IsEmpty())
return;
const NGPhysicalFragment& fragment = paint_fragment_.PhysicalFragment();
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, paint_fragment_,
DisplayItem::kPrintedContentPDFURLRect))
return;
DrawingRecorder recorder(paint_info.context, paint_fragment_,
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);
}
bool NGFragmentPainter::ShouldRecordHitTestData(
const PaintInfo& paint_info,
const NGPhysicalFragment& fragment) {
if (!RuntimeEnabledFeatures::PaintTouchActionRectsEnabled())
return false;
// Hit test display items are only needed for compositing. This flag is used
// for for printing and drag images which do not need hit testing.
if (paint_info.GetGlobalPaintFlags() & kGlobalPaintFlattenCompositingLayers)
return false;
// If an object is not visible, it does not participate in hit testing.
if (fragment.Style().Visibility() != EVisibility::kVisible)
return false;
auto touch_action = fragment.EffectiveWhitelistedTouchAction();
if (touch_action == TouchAction::kTouchActionAuto)
return false;
return true;
}
} // namespace blink
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