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454 lines
15 KiB
C++
454 lines
15 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et: */
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/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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#include "TestLayers.h"
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#include "gtest/gtest.h"
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#include "gmock/gmock.h"
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#include "mozilla/layers/LayerMetricsWrapper.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::layers;
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class TestLayerManager: public LayerManager {
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public:
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TestLayerManager()
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: LayerManager()
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{}
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virtual bool EndEmptyTransaction(EndTransactionFlags aFlags = END_DEFAULT) { return false; }
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virtual already_AddRefed<ContainerLayer> CreateContainerLayer() { return nullptr; }
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virtual void GetBackendName(nsAString& aName) {}
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virtual LayersBackend GetBackendType() { return LayersBackend::LAYERS_BASIC; }
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virtual void BeginTransaction() {}
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virtual already_AddRefed<ImageLayer> CreateImageLayer() { return nullptr; }
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virtual void SetRoot(Layer* aLayer) {}
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virtual already_AddRefed<ColorLayer> CreateColorLayer() { return nullptr; }
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virtual void BeginTransactionWithTarget(gfxContext* aTarget) {}
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virtual already_AddRefed<CanvasLayer> CreateCanvasLayer() { return nullptr; }
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virtual void EndTransaction(DrawPaintedLayerCallback aCallback,
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void* aCallbackData,
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EndTransactionFlags aFlags = END_DEFAULT) {}
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virtual int32_t GetMaxTextureSize() const { return 0; }
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virtual already_AddRefed<PaintedLayer> CreatePaintedLayer() { return nullptr; }
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};
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class TestContainerLayer: public ContainerLayer {
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public:
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explicit TestContainerLayer(LayerManager* aManager)
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: ContainerLayer(aManager, nullptr)
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{}
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virtual const char* Name() const {
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return "TestContainerLayer";
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}
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virtual LayerType GetType() const {
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return TYPE_CONTAINER;
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}
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virtual void ComputeEffectiveTransforms(const Matrix4x4& aTransformToSurface) {
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DefaultComputeEffectiveTransforms(aTransformToSurface);
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}
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};
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class TestPaintedLayer: public PaintedLayer {
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public:
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explicit TestPaintedLayer(LayerManager* aManager)
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: PaintedLayer(aManager, nullptr)
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{}
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virtual const char* Name() const {
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return "TestPaintedLayer";
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}
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virtual LayerType GetType() const {
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return TYPE_PAINTED;
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}
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virtual void InvalidateRegion(const nsIntRegion& aRegion) {
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MOZ_CRASH();
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}
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};
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class TestUserData: public LayerUserData {
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public:
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MOCK_METHOD0(Die, void());
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virtual ~TestUserData() { Die(); }
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};
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TEST(Layers, LayerConstructor) {
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TestContainerLayer layer(nullptr);
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}
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TEST(Layers, Defaults) {
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TestContainerLayer layer(nullptr);
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ASSERT_EQ(1.0, layer.GetOpacity());
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ASSERT_EQ(1.0f, layer.GetPostXScale());
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ASSERT_EQ(1.0f, layer.GetPostYScale());
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ASSERT_EQ(nullptr, layer.GetNextSibling());
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ASSERT_EQ(nullptr, layer.GetPrevSibling());
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ASSERT_EQ(nullptr, layer.GetFirstChild());
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ASSERT_EQ(nullptr, layer.GetLastChild());
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}
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TEST(Layers, Transform) {
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TestContainerLayer layer(nullptr);
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Matrix4x4 identity;
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ASSERT_EQ(true, identity.IsIdentity());
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ASSERT_EQ(identity, layer.GetTransform());
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}
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TEST(Layers, Type) {
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TestContainerLayer layer(nullptr);
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ASSERT_EQ(nullptr, layer.AsPaintedLayer());
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ASSERT_EQ(nullptr, layer.AsRefLayer());
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ASSERT_EQ(nullptr, layer.AsColorLayer());
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}
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TEST(Layers, UserData) {
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TestContainerLayer* layerPtr = new TestContainerLayer(nullptr);
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TestContainerLayer& layer = *layerPtr;
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void* key1 = (void*)1;
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void* key2 = (void*)2;
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void* key3 = (void*)3;
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TestUserData* data1 = new TestUserData;
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TestUserData* data2 = new TestUserData;
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TestUserData* data3 = new TestUserData;
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ASSERT_EQ(nullptr, layer.GetUserData(key1));
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ASSERT_EQ(nullptr, layer.GetUserData(key2));
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ASSERT_EQ(nullptr, layer.GetUserData(key3));
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layer.SetUserData(key1, data1);
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layer.SetUserData(key2, data2);
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layer.SetUserData(key3, data3);
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// Also checking that the user data is returned but not free'd
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ASSERT_EQ(data1, layer.RemoveUserData(key1).forget());
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ASSERT_EQ(data2, layer.RemoveUserData(key2).forget());
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ASSERT_EQ(data3, layer.RemoveUserData(key3).forget());
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layer.SetUserData(key1, data1);
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layer.SetUserData(key2, data2);
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layer.SetUserData(key3, data3);
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// Layer has ownership of data1-3, check that they are destroyed
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EXPECT_CALL(*data1, Die());
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EXPECT_CALL(*data2, Die());
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EXPECT_CALL(*data3, Die());
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delete layerPtr;
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}
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static
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already_AddRefed<Layer> CreateLayer(char aLayerType, LayerManager* aManager) {
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nsRefPtr<Layer> layer = nullptr;
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if (aLayerType == 'c') {
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layer = new TestContainerLayer(aManager);
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} else if (aLayerType == 't') {
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layer = new TestPaintedLayer(aManager);
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}
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return layer.forget();
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}
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already_AddRefed<Layer> CreateLayerTree(
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const char* aLayerTreeDescription,
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nsIntRegion* aVisibleRegions,
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const Matrix4x4* aTransforms,
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nsRefPtr<LayerManager>& manager,
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nsTArray<nsRefPtr<Layer> >& aLayersOut) {
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aLayersOut.Clear();
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manager = new TestLayerManager();
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nsRefPtr<Layer> rootLayer = nullptr;
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nsRefPtr<ContainerLayer> parentContainerLayer = nullptr;
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nsRefPtr<Layer> lastLayer = nullptr;
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int layerNumber = 0;
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for (size_t i = 0; i < strlen(aLayerTreeDescription); i++) {
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if (aLayerTreeDescription[i] == '(') {
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if (!lastLayer) {
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printf("Syntax error, likely '(' character isn't preceded by a container.\n");
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MOZ_CRASH();
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}
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parentContainerLayer = lastLayer->AsContainerLayer();
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if (!parentContainerLayer) {
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printf("Layer before '(' must be a container.\n");
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MOZ_CRASH();
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}
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} else if (aLayerTreeDescription[i] == ')') {
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parentContainerLayer = parentContainerLayer->GetParent();
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lastLayer = nullptr;
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} else {
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nsRefPtr<Layer> layer = CreateLayer(aLayerTreeDescription[i], manager.get());
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if (aVisibleRegions) {
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layer->SetVisibleRegion(aVisibleRegions[layerNumber]);
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layer->SetEventRegions(EventRegions(aVisibleRegions[layerNumber]));
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}
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if (aTransforms) {
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layer->SetBaseTransform(aTransforms[layerNumber]);
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}
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aLayersOut.AppendElement(layer);
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layerNumber++;
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if (rootLayer && !parentContainerLayer) {
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MOZ_CRASH();
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}
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if (!rootLayer) {
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rootLayer = layer;
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}
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if (parentContainerLayer) {
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parentContainerLayer->InsertAfter(layer, parentContainerLayer->GetLastChild());
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layer->SetParent(parentContainerLayer);
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}
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lastLayer = layer;
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}
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}
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if (rootLayer) {
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rootLayer->ComputeEffectiveTransforms(Matrix4x4());
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}
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return rootLayer.forget();
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}
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TEST(Layers, LayerTree) {
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const char* layerTreeSyntax = "c(c(tt))";
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nsIntRegion layerVisibleRegion[] = {
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nsIntRegion(nsIntRect(0,0,100,100)),
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nsIntRegion(nsIntRect(0,0,100,100)),
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nsIntRegion(nsIntRect(0,0,100,100)),
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nsIntRegion(nsIntRect(10,10,20,20)),
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};
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Matrix4x4 transforms[] = {
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Matrix4x4(),
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Matrix4x4(),
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Matrix4x4(),
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Matrix4x4(),
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};
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nsTArray<nsRefPtr<Layer> > layers;
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nsRefPtr<LayerManager> lm;
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nsRefPtr<Layer> root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, transforms, lm, layers);
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// B2G g++ doesn't like ASSERT_NE with nullptr directly. It thinks it's
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// an int.
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Layer* nullLayer = nullptr;
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ASSERT_NE(nullLayer, layers[0]->AsContainerLayer());
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ASSERT_NE(nullLayer, layers[1]->AsContainerLayer());
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ASSERT_NE(nullLayer, layers[2]->AsPaintedLayer());
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ASSERT_NE(nullLayer, layers[3]->AsPaintedLayer());
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}
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static void ValidateTreePointers(Layer* aLayer) {
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if (aLayer->GetNextSibling()) {
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ASSERT_EQ(aLayer, aLayer->GetNextSibling()->GetPrevSibling());
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} else if (aLayer->GetParent()) {
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ASSERT_EQ(aLayer, aLayer->GetParent()->GetLastChild());
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}
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if (aLayer->GetPrevSibling()) {
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ASSERT_EQ(aLayer, aLayer->GetPrevSibling()->GetNextSibling());
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} else if (aLayer->GetParent()) {
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ASSERT_EQ(aLayer, aLayer->GetParent()->GetFirstChild());
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}
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if (aLayer->GetFirstChild()) {
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ASSERT_EQ(aLayer, aLayer->GetFirstChild()->GetParent());
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}
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if (aLayer->GetLastChild()) {
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ASSERT_EQ(aLayer, aLayer->GetLastChild()->GetParent());
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}
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}
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static void ValidateTreePointers(nsTArray<nsRefPtr<Layer> >& aLayers) {
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for (uint32_t i = 0; i < aLayers.Length(); i++) {
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ValidateTreePointers(aLayers[i]);
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}
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}
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TEST(Layers, RepositionChild) {
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const char* layerTreeSyntax = "c(ttt)";
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nsTArray<nsRefPtr<Layer> > layers;
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nsRefPtr<LayerManager> lm;
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nsRefPtr<Layer> root = CreateLayerTree(layerTreeSyntax, nullptr, nullptr, lm, layers);
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ContainerLayer* parent = root->AsContainerLayer();
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ValidateTreePointers(layers);
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// tree is currently like this (using indexes into layers):
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// 0
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// 1 2 3
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ASSERT_EQ(layers[2], layers[1]->GetNextSibling());
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ASSERT_EQ(layers[3], layers[2]->GetNextSibling());
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ASSERT_EQ(nullptr, layers[3]->GetNextSibling());
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parent->RepositionChild(layers[1], layers[3]);
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ValidateTreePointers(layers);
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// now the tree is like this:
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// 0
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// 2 3 1
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ASSERT_EQ(layers[3], layers[2]->GetNextSibling());
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ASSERT_EQ(layers[1], layers[3]->GetNextSibling());
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ASSERT_EQ(nullptr, layers[1]->GetNextSibling());
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parent->RepositionChild(layers[3], layers[2]);
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ValidateTreePointers(layers);
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// no change
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ASSERT_EQ(layers[3], layers[2]->GetNextSibling());
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ASSERT_EQ(layers[1], layers[3]->GetNextSibling());
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ASSERT_EQ(nullptr, layers[1]->GetNextSibling());
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parent->RepositionChild(layers[3], layers[1]);
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ValidateTreePointers(layers);
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// 0
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// 2 1 3
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ASSERT_EQ(layers[1], layers[2]->GetNextSibling());
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ASSERT_EQ(layers[3], layers[1]->GetNextSibling());
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ASSERT_EQ(nullptr, layers[3]->GetNextSibling());
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parent->RepositionChild(layers[3], nullptr);
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ValidateTreePointers(layers);
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// 0
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// 3 2 1
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ASSERT_EQ(layers[2], layers[3]->GetNextSibling());
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ASSERT_EQ(layers[1], layers[2]->GetNextSibling());
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ASSERT_EQ(nullptr, layers[1]->GetNextSibling());
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}
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TEST(LayerMetricsWrapper, SimpleTree) {
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nsTArray<nsRefPtr<Layer> > layers;
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nsRefPtr<LayerManager> lm;
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nsRefPtr<Layer> root = CreateLayerTree("c(c(c(tt)c(t)))", nullptr, nullptr, lm, layers);
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LayerMetricsWrapper wrapper(root);
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ASSERT_EQ(root.get(), wrapper.GetLayer());
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wrapper = wrapper.GetFirstChild();
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ASSERT_EQ(layers[1].get(), wrapper.GetLayer());
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ASSERT_FALSE(wrapper.GetNextSibling().IsValid());
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wrapper = wrapper.GetFirstChild();
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ASSERT_EQ(layers[2].get(), wrapper.GetLayer());
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wrapper = wrapper.GetFirstChild();
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ASSERT_EQ(layers[3].get(), wrapper.GetLayer());
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ASSERT_FALSE(wrapper.GetFirstChild().IsValid());
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wrapper = wrapper.GetNextSibling();
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ASSERT_EQ(layers[4].get(), wrapper.GetLayer());
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ASSERT_FALSE(wrapper.GetNextSibling().IsValid());
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wrapper = wrapper.GetParent();
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ASSERT_EQ(layers[2].get(), wrapper.GetLayer());
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wrapper = wrapper.GetNextSibling();
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ASSERT_EQ(layers[5].get(), wrapper.GetLayer());
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ASSERT_FALSE(wrapper.GetNextSibling().IsValid());
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wrapper = wrapper.GetLastChild();
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ASSERT_EQ(layers[6].get(), wrapper.GetLayer());
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wrapper = wrapper.GetParent();
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ASSERT_EQ(layers[5].get(), wrapper.GetLayer());
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LayerMetricsWrapper layer5 = wrapper;
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wrapper = wrapper.GetPrevSibling();
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ASSERT_EQ(layers[2].get(), wrapper.GetLayer());
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wrapper = wrapper.GetParent();
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ASSERT_EQ(layers[1].get(), wrapper.GetLayer());
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ASSERT_TRUE(layer5 == wrapper.GetLastChild());
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LayerMetricsWrapper rootWrapper(root);
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ASSERT_TRUE(rootWrapper == wrapper.GetParent());
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}
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static FrameMetrics
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MakeMetrics(FrameMetrics::ViewID aId) {
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FrameMetrics metrics;
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metrics.SetScrollId(aId);
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return metrics;
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}
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TEST(LayerMetricsWrapper, MultiFramemetricsTree) {
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nsTArray<nsRefPtr<Layer> > layers;
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nsRefPtr<LayerManager> lm;
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nsRefPtr<Layer> root = CreateLayerTree("c(c(c(tt)c(t)))", nullptr, nullptr, lm, layers);
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nsTArray<FrameMetrics> metrics;
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 0)); // topmost of root layer
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::NULL_SCROLL_ID));
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 1));
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 2));
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::NULL_SCROLL_ID));
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::NULL_SCROLL_ID)); // bottom of root layer
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root->SetFrameMetrics(metrics);
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metrics.Clear();
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 3));
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layers[1]->SetFrameMetrics(metrics);
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metrics.Clear();
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::NULL_SCROLL_ID));
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 4));
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layers[2]->SetFrameMetrics(metrics);
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metrics.Clear();
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 5));
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layers[4]->SetFrameMetrics(metrics);
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metrics.Clear();
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metrics.InsertElementAt(0, MakeMetrics(FrameMetrics::START_SCROLL_ID + 6));
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layers[5]->SetFrameMetrics(metrics);
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LayerMetricsWrapper wrapper(root, LayerMetricsWrapper::StartAt::TOP);
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nsTArray<Layer*> expectedLayers;
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[0].get());
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expectedLayers.AppendElement(layers[1].get());
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expectedLayers.AppendElement(layers[2].get());
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expectedLayers.AppendElement(layers[2].get());
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expectedLayers.AppendElement(layers[3].get());
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nsTArray<FrameMetrics::ViewID> expectedIds;
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expectedIds.AppendElement(FrameMetrics::START_SCROLL_ID + 0);
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expectedIds.AppendElement(FrameMetrics::NULL_SCROLL_ID);
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expectedIds.AppendElement(FrameMetrics::START_SCROLL_ID + 1);
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expectedIds.AppendElement(FrameMetrics::START_SCROLL_ID + 2);
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expectedIds.AppendElement(FrameMetrics::NULL_SCROLL_ID);
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expectedIds.AppendElement(FrameMetrics::NULL_SCROLL_ID);
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expectedIds.AppendElement(FrameMetrics::START_SCROLL_ID + 3);
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expectedIds.AppendElement(FrameMetrics::NULL_SCROLL_ID);
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expectedIds.AppendElement(FrameMetrics::START_SCROLL_ID + 4);
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expectedIds.AppendElement(FrameMetrics::NULL_SCROLL_ID);
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for (int i = 0; i < 10; i++) {
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ASSERT_EQ(expectedLayers[i], wrapper.GetLayer());
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ASSERT_EQ(expectedIds[i], wrapper.Metrics().GetScrollId());
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wrapper = wrapper.GetFirstChild();
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}
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ASSERT_FALSE(wrapper.IsValid());
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wrapper = LayerMetricsWrapper(root, LayerMetricsWrapper::StartAt::BOTTOM);
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for (int i = 5; i < 10; i++) {
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ASSERT_EQ(expectedLayers[i], wrapper.GetLayer());
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ASSERT_EQ(expectedIds[i], wrapper.Metrics().GetScrollId());
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wrapper = wrapper.GetFirstChild();
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}
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ASSERT_FALSE(wrapper.IsValid());
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wrapper = LayerMetricsWrapper(layers[4], LayerMetricsWrapper::StartAt::BOTTOM);
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ASSERT_EQ(FrameMetrics::START_SCROLL_ID + 5, wrapper.Metrics().GetScrollId());
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wrapper = wrapper.GetParent();
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ASSERT_EQ(FrameMetrics::START_SCROLL_ID + 4, wrapper.Metrics().GetScrollId());
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ASSERT_EQ(layers[2].get(), wrapper.GetLayer());
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ASSERT_FALSE(wrapper.GetNextSibling().IsValid());
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wrapper = wrapper.GetParent();
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ASSERT_EQ(FrameMetrics::NULL_SCROLL_ID, wrapper.Metrics().GetScrollId());
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ASSERT_EQ(layers[2].get(), wrapper.GetLayer());
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wrapper = wrapper.GetNextSibling();
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ASSERT_EQ(FrameMetrics::START_SCROLL_ID + 6, wrapper.Metrics().GetScrollId());
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ASSERT_EQ(layers[5].get(), wrapper.GetLayer());
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}
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