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// Copyright 2014 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/table_painter.h"
#include "third_party/blink/renderer/core/layout/collapsed_border_value.h"
#include "third_party/blink/renderer/core/layout/layout_table.h"
#include "third_party/blink/renderer/core/layout/layout_table_section.h"
#include "third_party/blink/renderer/core/paint/box_painter.h"
#include "third_party/blink/renderer/core/paint/object_painter.h"
#include "third_party/blink/renderer/core/paint/paint_info.h"
#include "third_party/blink/renderer/core/paint/table_section_painter.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
namespace blink {
void TablePainter::PaintObject(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
PaintPhase paint_phase = paint_info.phase;
if (ShouldPaintSelfBlockBackground(paint_phase)) {
PaintBoxDecorationBackground(paint_info, paint_offset);
if (paint_phase == PaintPhase::kSelfBlockBackgroundOnly)
return;
}
if (paint_phase == PaintPhase::kMask) {
PaintMask(paint_info, paint_offset);
return;
}
if (paint_phase != PaintPhase::kSelfOutlineOnly) {
PaintInfo paint_info_for_descendants = paint_info.ForDescendants();
for (LayoutObject* child = layout_table_.FirstChild(); child;
child = child->NextSibling()) {
if (child->IsBox() && !ToLayoutBox(child)->HasSelfPaintingLayer() &&
(child->IsTableSection() || child->IsTableCaption())) {
child->Paint(paint_info_for_descendants);
}
}
if (layout_table_.HasCollapsedBorders() &&
ShouldPaintDescendantBlockBackgrounds(paint_phase) &&
layout_table_.StyleRef().Visibility() == EVisibility::kVisible) {
PaintCollapsedBorders(paint_info_for_descendants);
}
}
if (ShouldPaintSelfOutline(paint_phase))
ObjectPainter(layout_table_).PaintOutline(paint_info, paint_offset);
}
void TablePainter::RecordHitTestData(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
// 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;
auto touch_action = layout_table_.EffectiveWhitelistedTouchAction();
if (touch_action == TouchAction::kTouchActionAuto)
return;
auto rect = layout_table_.BorderBoxRect();
rect.MoveBy(paint_offset);
HitTestData::RecordHitTestRect(paint_info.context, layout_table_,
HitTestRect(rect, touch_action));
}
void TablePainter::PaintBoxDecorationBackground(
const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
if (RuntimeEnabledFeatures::PaintTouchActionRectsEnabled())
RecordHitTestData(paint_info, paint_offset);
if (!layout_table_.HasBoxDecorationBackground() ||
layout_table_.StyleRef().Visibility() != EVisibility::kVisible)
return;
LayoutRect rect(paint_offset, layout_table_.Size());
layout_table_.SubtractCaptionRect(rect);
BoxPainter(layout_table_)
.PaintBoxDecorationBackgroundWithRect(paint_info, rect);
}
void TablePainter::PaintMask(const PaintInfo& paint_info,
const LayoutPoint& paint_offset) {
if (layout_table_.StyleRef().Visibility() != EVisibility::kVisible ||
paint_info.phase != PaintPhase::kMask)
return;
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, layout_table_, paint_info.phase))
return;
LayoutRect rect(paint_offset, layout_table_.Size());
layout_table_.SubtractCaptionRect(rect);
DrawingRecorder recorder(paint_info.context, layout_table_, paint_info.phase);
BoxPainter(layout_table_).PaintMaskImages(paint_info, rect);
}
void TablePainter::PaintCollapsedBorders(const PaintInfo& paint_info) {
base::Optional<DrawingRecorder> recorder;
if (UNLIKELY(layout_table_.ShouldPaintAllCollapsedBorders())) {
if (DrawingRecorder::UseCachedDrawingIfPossible(
paint_info.context, layout_table_,
DisplayItem::kTableCollapsedBorders))
return;
recorder.emplace(paint_info.context, layout_table_,
DisplayItem::kTableCollapsedBorders);
}
// Otherwise each rows will create its own recorder.
for (LayoutTableSection* section = layout_table_.BottomSection(); section;
section = layout_table_.SectionAbove(section)) {
TableSectionPainter(*section).PaintCollapsedBorders(paint_info);
}
}
} // namespace blink
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