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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.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_PAINT_CONTROLLER_TEST_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_PAINT_CONTROLLER_TEST_H_
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_controller.h"
#include "third_party/blink/renderer/platform/testing/fake_display_item_client.h"
#include "third_party/blink/renderer/platform/testing/paint_property_test_helpers.h"
namespace blink {
class GraphicsContext;
class PaintControllerTestBase : public testing::Test {
public:
static void DrawNothing(GraphicsContext& context,
const DisplayItemClient& client,
DisplayItem::Type type) {
if (DrawingRecorder::UseCachedDrawingIfPossible(context, client, type))
return;
DrawingRecorder recorder(context, client, type);
}
template <typename Rect>
static void DrawRect(GraphicsContext& context,
const DisplayItemClient& client,
DisplayItem::Type type,
const Rect& bounds) {
if (DrawingRecorder::UseCachedDrawingIfPossible(context, client, type))
return;
DrawingRecorder recorder(context, client, type);
context.DrawRect(RoundedIntRect(FloatRect(bounds)));
}
protected:
PaintControllerTestBase()
: root_paint_property_client_("root"),
root_paint_chunk_id_(root_paint_property_client_,
DisplayItem::kUninitializedType),
paint_controller_(std::make_unique<PaintController>()) {}
void InitRootChunk() { InitRootChunk(GetPaintController()); }
void InitRootChunk(PaintController& paint_controller) {
paint_controller.UpdateCurrentPaintChunkProperties(
root_paint_chunk_id_, DefaultPaintChunkProperties());
}
const PaintChunk::Id DefaultRootChunkId() const {
return root_paint_chunk_id_;
}
PaintController& GetPaintController() { return *paint_controller_; }
size_t NumCachedNewItems() const {
return paint_controller_->num_cached_new_items_;
}
size_t NumCachedNewSubsequences() const {
return paint_controller_->num_cached_new_subsequences_;
}
#if DCHECK_IS_ON()
size_t NumIndexedItems() const {
return paint_controller_->num_indexed_items_;
}
size_t NumSequentialMatches() const {
return paint_controller_->num_sequential_matches_;
}
size_t NumOutOfOrderMatches() const {
return paint_controller_->num_out_of_order_matches_;
}
#endif
void InvalidateAll() { paint_controller_->InvalidateAllForTesting(); }
void CommitAndFinishCycle() {
paint_controller_->CommitNewDisplayItems();
paint_controller_->FinishCycle();
}
using SubsequenceMarkers = PaintController::SubsequenceMarkers;
SubsequenceMarkers* GetSubsequenceMarkers(const DisplayItemClient& client) {
return paint_controller_->GetSubsequenceMarkers(client);
}
static bool ClientCacheIsValid(const PaintController& paint_controller,
const DisplayItemClient& client) {
return paint_controller.ClientCacheIsValid(client);
}
bool ClientCacheIsValid(const DisplayItemClient& client) const {
return ClientCacheIsValid(*paint_controller_, client);
}
private:
FakeDisplayItemClient root_paint_property_client_;
PaintChunk::Id root_paint_chunk_id_;
std::unique_ptr<PaintController> paint_controller_;
};
// Matcher for checking display item list. Sample usage:
// EXPECT_THAT(paint_controller.GetDisplayItemList(),
// ElementsAre(IsSameId(client1, kBackgroundType),
// IsSameId(client2, kForegroundType)));
MATCHER_P(IsSameId, id, "") {
return arg.GetId() == id;
}
MATCHER_P2(IsSameId, client, type, "") {
return arg.GetId() == DisplayItem::Id(*client, type);
}
// Matcher for checking paint chunks. Sample usage:
// EXPACT_THAT(paint_controller.PaintChunks(),
// ELementsAre(IsPaintChunk(0, 1, id1, properties1),
// IsPaintChunk(1, 3, id2, properties2)));
inline bool CheckChunk(const PaintChunk& chunk,
size_t begin,
size_t end,
const PaintChunk::Id& id,
const PropertyTreeState& properties,
const HitTestData* hit_test_data = nullptr) {
return chunk.begin_index == begin && chunk.end_index == end &&
chunk.id == id && chunk.properties == properties &&
((!chunk.hit_test_data && !hit_test_data) ||
(chunk.hit_test_data && hit_test_data &&
*chunk.hit_test_data == *hit_test_data));
}
MATCHER_P4(IsPaintChunk, begin, end, id, properties, "") {
return CheckChunk(arg, begin, end, id, properties);
}
MATCHER_P5(IsPaintChunk, begin, end, id, properties, hit_test_data, "") {
return CheckChunk(arg, begin, end, id, properties, &hit_test_data);
}
// Shorter names for frequently used display item types in tests.
const DisplayItem::Type kBackgroundType = DisplayItem::kBoxDecorationBackground;
const DisplayItem::Type kForegroundType =
static_cast<DisplayItem::Type>(DisplayItem::kDrawingPaintPhaseFirst + 5);
const DisplayItem::Type kDocumentBackgroundType =
DisplayItem::kDocumentBackground;
const DisplayItem::Type kScrollHitTestType = DisplayItem::kScrollHitTest;
const DisplayItem::Type kClipType = DisplayItem::kClipPaintPhaseFirst;
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_PAINT_PAINT_CONTROLLER_TEST_H_
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