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// Copyright 2015 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_PAINT_CONTROLLER_PAINT_TEST_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_PAINT_CONTROLLER_PAINT_TEST_H_
#include "third_party/blink/renderer/core/editing/frame_selection.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/paint/paint_layer.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/core/testing/core_unit_test_helper.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
#include "third_party/blink/renderer/platform/graphics/graphics_layer.h"
#include "third_party/blink/renderer/platform/graphics/paint/cull_rect.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_controller_test.h"
#include "third_party/blink/renderer/platform/testing/paint_test_configurations.h"
namespace blink {
class PaintControllerPaintTestBase : public RenderingTest {
public:
PaintControllerPaintTestBase(LocalFrameClient* local_frame_client = nullptr)
: RenderingTest(local_frame_client) {}
protected:
LayoutView& GetLayoutView() const { return *GetDocument().GetLayoutView(); }
PaintController& RootPaintController() const {
if (RuntimeEnabledFeatures::CompositeAfterPaintEnabled())
return *GetDocument().View()->GetPaintController();
return GetLayoutView()
.Layer()
->GraphicsLayerBacking()
->GetPaintController();
}
void SetUp() override {
EnableCompositing();
RenderingTest::SetUp();
}
bool PaintWithoutCommit(
const base::Optional<IntRect>& interest_rect = base::nullopt) {
GetDocument().View()->Lifecycle().AdvanceTo(DocumentLifecycle::kInPaint);
if (RuntimeEnabledFeatures::CompositeAfterPaintEnabled()) {
if (GetLayoutView().Layer()->SelfOrDescendantNeedsRepaint()) {
GraphicsContext graphics_context(RootPaintController());
GetDocument().View()->Paint(
graphics_context, kGlobalPaintNormalPhase,
interest_rect ? CullRect(*interest_rect) : CullRect::Infinite());
return true;
}
GetDocument().View()->Lifecycle().AdvanceTo(
DocumentLifecycle::kPaintClean);
return false;
}
// Only root graphics layer is supported.
if (!GetLayoutView()
.Layer()
->GraphicsLayerBacking()
->PaintWithoutCommitForTesting(interest_rect)) {
GetDocument().View()->Lifecycle().AdvanceTo(
DocumentLifecycle::kPaintClean);
return false;
}
return true;
}
const DisplayItemClient& ViewScrollingBackgroundClient() {
return GetLayoutView()
.GetScrollableArea()
->GetScrollingBackgroundDisplayItemClient();
}
void CommitAndFinishCycle() {
// Only root graphics layer is supported.
RootPaintController().CommitNewDisplayItems();
RootPaintController().FinishCycle();
GetDocument().View()->Lifecycle().AdvanceTo(DocumentLifecycle::kPaintClean);
}
void Paint(const base::Optional<IntRect>& interest_rect = base::nullopt) {
// Only root graphics layer is supported.
if (PaintWithoutCommit(interest_rect))
CommitAndFinishCycle();
}
bool DisplayItemListContains(const DisplayItemList& display_item_list,
DisplayItemClient& client,
DisplayItem::Type type) const {
for (auto& item : display_item_list) {
if (item.Client() == client && item.GetType() == type)
return true;
}
return false;
}
int NumCachedNewItems() const {
return RootPaintController().num_cached_new_items_;
}
const DisplayItemClient& CaretDisplayItemClientForTesting() const {
return GetDocument()
.GetFrame()
->Selection()
.CaretDisplayItemClientForTesting();
}
void InvalidateAll(PaintController& paint_controller) {
paint_controller.InvalidateAllForTesting();
if (RuntimeEnabledFeatures::CompositeAfterPaintEnabled()) {
DCHECK_EQ(&paint_controller, GetDocument().View()->GetPaintController());
GetLayoutView().Layer()->SetNeedsRepaint();
}
}
bool ClientCacheIsValid(const DisplayItemClient& client) {
return RootPaintController().ClientCacheIsValid(client);
}
using SubsequenceMarkers = PaintController::SubsequenceMarkers;
SubsequenceMarkers* GetSubsequenceMarkers(const DisplayItemClient& client) {
return RootPaintController().GetSubsequenceMarkers(client);
}
};
class PaintControllerPaintTest : public PaintTestConfigurations,
public PaintControllerPaintTestBase {
public:
PaintControllerPaintTest(LocalFrameClient* local_frame_client = nullptr)
: PaintControllerPaintTestBase(local_frame_client) {}
};
// Shorter names for frequently used display item types in core/ tests.
const DisplayItem::Type kNonScrollingBackgroundChunkType =
DisplayItem::PaintPhaseToDrawingType(PaintPhase::kSelfBlockBackgroundOnly);
const DisplayItem::Type kScrollingBackgroundChunkType =
DisplayItem::PaintPhaseToClipType(PaintPhase::kSelfBlockBackgroundOnly);
const DisplayItem::Type kNonScrollingContentsBackgroundChunkType =
DisplayItem::PaintPhaseToDrawingType(
PaintPhase::kDescendantBlockBackgroundsOnly);
const DisplayItem::Type kScrollingContentsBackgroundChunkType =
DisplayItem::PaintPhaseToClipType(
PaintPhase::kDescendantBlockBackgroundsOnly);
#define EXPECT_SUBSEQUENCE(client, expected_start, expected_end) \
do { \
auto* subsequence = GetSubsequenceMarkers(client); \
ASSERT_NE(nullptr, subsequence); \
EXPECT_EQ(static_cast<size_t>(expected_start), subsequence->start); \
EXPECT_EQ(static_cast<size_t>(expected_end), subsequence->end); \
} while (false)
#define EXPECT_NO_SUBSEQUENCE(client) \
EXPECT_EQ(nullptr, GetSubsequenceMarkers(client)
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_PAINT_CONTROLLER_PAINT_TEST_H_
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