// Copyright 2011 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 "cc/layers/layer_impl.h" #include "cc/layers/painted_scrollbar_layer_impl.h" #include "cc/layers/solid_color_scrollbar_layer_impl.h" #include "cc/output/filter_operation.h" #include "cc/output/filter_operations.h" #include "cc/test/animation_test_common.h" #include "cc/test/fake_compositor_frame_sink.h" #include "cc/test/fake_impl_task_runner_provider.h" #include "cc/test/fake_layer_tree_host_impl.h" #include "cc/test/geometry_test_utils.h" #include "cc/test/test_task_graph_runner.h" #include "cc/trees/layer_tree_impl.h" #include "cc/trees/mutable_properties.h" #include "cc/trees/single_thread_proxy.h" #include "cc/trees/tree_synchronizer.h" #include "testing/gmock/include/gmock/gmock.h" #include "testing/gtest/include/gtest/gtest.h" #include "third_party/skia/include/effects/SkBlurImageFilter.h" namespace cc { namespace { #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_TRUE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_TRUE(root->LayerPropertyChanged()); \ EXPECT_TRUE(child->LayerPropertyChanged()); \ EXPECT_TRUE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_FALSE(root->LayerPropertyChanged()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \ code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_TRUE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_FALSE(root->LayerPropertyChanged()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( \ code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_TRUE(root->LayerPropertyChanged()); \ EXPECT_TRUE(child->LayerPropertyChanged()); \ EXPECT_TRUE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ root->layer_tree_impl()->property_trees()->full_tree_damaged = false; \ code_to_test; \ EXPECT_TRUE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_TRUE(root->LayerPropertyChanged()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ host_impl.ForcePrepareToDraw(); \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ code_to_test; \ EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties()); #define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ host_impl.ForcePrepareToDraw(); \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ code_to_test; \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); static gfx::Vector2dF ScrollDelta(LayerImpl* layer_impl) { gfx::ScrollOffset delta = layer_impl->layer_tree_impl() ->property_trees() ->scroll_tree.GetScrollOffsetDeltaForTesting(layer_impl->id()); return gfx::Vector2dF(delta.x(), delta.y()); } TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) { // // This test checks that layerPropertyChanged() has the correct behavior. // // The constructor on this will fake that we are on the correct thread. // Create a simple LayerImpl tree: FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr compositor_frame_sink = FakeCompositorFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeRenderer(compositor_frame_sink.get())); std::unique_ptr root_clip_ptr = LayerImpl::Create(host_impl.active_tree(), 1); LayerImpl* root_clip = root_clip_ptr.get(); std::unique_ptr root_ptr = LayerImpl::Create(host_impl.active_tree(), 2); LayerImpl* root = root_ptr.get(); root_clip_ptr->test_properties()->AddChild(std::move(root_ptr)); host_impl.active_tree()->SetRootLayerForTesting(std::move(root_clip_ptr)); root->test_properties()->force_render_surface = true; root->layer_tree_impl()->ResetAllChangeTracking(); root->test_properties()->AddChild( LayerImpl::Create(host_impl.active_tree(), 7)); LayerImpl* child = root->test_properties()->children[0]; child->test_properties()->AddChild( LayerImpl::Create(host_impl.active_tree(), 8)); LayerImpl* grand_child = child->test_properties()->children[0]; root->SetScrollClipLayer(root_clip->id()); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Adding children is an internal operation and should not mark layers as // changed. EXPECT_FALSE(root->LayerPropertyChanged()); EXPECT_FALSE(child->LayerPropertyChanged()); EXPECT_FALSE(grand_child->LayerPropertyChanged()); gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); float arbitrary_number = 0.352f; gfx::Size arbitrary_size = gfx::Size(111, 222); gfx::Point arbitrary_point = gfx::Point(333, 444); gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222); gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size); SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); gfx::Transform arbitrary_transform; arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); FilterOperations arbitrary_filters; arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); // These properties are internal, and should not be considered "change" when // they are used. EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( root->SetUpdateRect(arbitrary_rect)); EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size)); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Changing these properties affects the entire subtree of layers. EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( arbitrary_filters, root->effect_tree_index(), host_impl.active_tree())); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( FilterOperations(), root->effect_tree_index(), host_impl.active_tree())); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.active_tree()->property_trees()->effect_tree.OnOpacityAnimated( arbitrary_number, root->effect_tree_index(), host_impl.active_tree())); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.active_tree() ->property_trees() ->transform_tree.OnTransformAnimated(arbitrary_transform, root->transform_tree_index(), host_impl.active_tree())); EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d); root->SetNeedsPushProperties()); // SetBoundsDelta changes subtree only when masks_to_bounds is true and it // doesn't set needs_push_properties as it is always called on active tree. root->SetMasksToBounds(true); EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBoundsDelta(arbitrary_vector2d); root->SetNeedsPushProperties()); // Changing these properties only affects the layer itself. EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true)); EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( root->SetBackgroundColor(arbitrary_color)); // Special case: check that SetBounds changes behavior depending on // masksToBounds. gfx::Size bounds_size(135, 246); root->SetMasksToBounds(false); EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(bounds_size)); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); root->SetMasksToBounds(true); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Changing these properties does not cause the layer to be marked as changed // but does cause the layer to need to push properties. EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( root->SetElementId(ElementId(2, 0))); EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( root->SetMutableProperties(MutableProperty::kOpacity); root->SetNeedsPushProperties()); // After setting all these properties already, setting to the exact same // values again should not cause any change. EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( root->SetPosition(arbitrary_point_f)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->Set3dSortingContextId(1)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(bounds_size)); } TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr compositor_frame_sink = FakeCompositorFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeRenderer(compositor_frame_sink.get())); host_impl.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl.active_tree(), 1)); LayerImpl* root = host_impl.active_tree()->root_layer_for_testing(); root->SetHasRenderSurface(true); std::unique_ptr layer_ptr = LayerImpl::Create(host_impl.active_tree(), 2); LayerImpl* layer = layer_ptr.get(); root->test_properties()->AddChild(std::move(layer_ptr)); layer->SetScrollClipLayer(root->id()); std::unique_ptr layer2_ptr = LayerImpl::Create(host_impl.active_tree(), 3); LayerImpl* layer2 = layer2_ptr.get(); root->test_properties()->AddChild(std::move(layer2_ptr)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); DCHECK(host_impl.CanDraw()); gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); float arbitrary_number = 0.352f; gfx::Size arbitrary_size = gfx::Size(111, 222); gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222); gfx::Size large_size = gfx::Size(1000, 1000); SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); gfx::Transform arbitrary_transform; arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); FilterOperations arbitrary_filters; arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); // Set layer to draw content so that their draw property by property trees is // verified. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer2->SetDrawsContent(true)); // Render surface functions should not trigger update draw properties, because // creating render surface is part of update draw properties. VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(false)); // Create a render surface, because we must have a render surface if we have // filters. VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(true)); // Related filter functions. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( arbitrary_filters, root->effect_tree_index(), host_impl.active_tree())); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( arbitrary_filters, root->effect_tree_index(), host_impl.active_tree())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( FilterOperations(), root->effect_tree_index(), host_impl.active_tree())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( arbitrary_filters, root->effect_tree_index(), host_impl.active_tree())); // Related scrolling functions. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( layer->layer_tree_impl()->DidUpdateScrollOffset(layer->id())); layer->layer_tree_impl() ->property_trees() ->scroll_tree.SetScrollOffsetDeltaForTesting(layer->id(), gfx::Vector2dF()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetCurrentScrollOffset( gfx::ScrollOffset(arbitrary_vector2d.x(), arbitrary_vector2d.y()))); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetCurrentScrollOffset( gfx::ScrollOffset(arbitrary_vector2d.x(), arbitrary_vector2d.y()))); // Unrelated functions, always set to new values, always set needs update. host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer2->SetPosition(arbitrary_point_f); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( layer->SetBackgroundColor(arbitrary_color)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnOpacityAnimated( arbitrary_number, layer->effect_tree_index(), host_impl.active_tree())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree() ->property_trees() ->transform_tree.OnTransformAnimated(arbitrary_transform, layer->transform_tree_index(), host_impl.active_tree())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size); layer->NoteLayerPropertyChanged()); // Unrelated functions, set to the same values, no needs update. layer->test_properties()->filters = arbitrary_filters; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->property_trees()->effect_tree.OnFilterAnimated( arbitrary_filters, layer->effect_tree_index(), host_impl.active_tree())); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( layer2->SetPosition(arbitrary_point_f)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( layer->SetBackgroundColor(arbitrary_color)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetElementId(ElementId(2, 0))); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( layer->SetMutableProperties(MutableProperty::kTransform)); } TEST(LayerImplTest, SafeOpaqueBackgroundColor) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr compositor_frame_sink = FakeCompositorFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeRenderer(compositor_frame_sink.get())); host_impl.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl.active_tree(), 1)); LayerImpl* layer = host_impl.active_tree()->root_layer_for_testing(); for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) { for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) { for (int host_opaque = 0; host_opaque < 2; ++host_opaque) { layer->SetContentsOpaque(!!contents_opaque); layer->SetBackgroundColor(layer_opaque ? SK_ColorRED : SK_ColorTRANSPARENT); host_impl.active_tree()->set_background_color( host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); SkColor safe_color = layer->SafeOpaqueBackgroundColor(); if (contents_opaque) { EXPECT_EQ(SkColorGetA(safe_color), 255u) << "Flags: " << contents_opaque << ", " << layer_opaque << ", " << host_opaque << "\n"; } else { EXPECT_NE(SkColorGetA(safe_color), 255u) << "Flags: " << contents_opaque << ", " << layer_opaque << ", " << host_opaque << "\n"; } } } } } class LayerImplScrollTest : public testing::Test { public: LayerImplScrollTest() : host_impl_(settings(), &task_runner_provider_, &task_graph_runner_), root_id_(7) { host_impl_.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl_.active_tree(), root_id_)); host_impl_.active_tree() ->root_layer_for_testing() ->test_properties() ->AddChild(LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1)); layer()->SetScrollClipLayer(root_id_); // Set the max scroll offset by noting that the root layer has bounds (1,1), // thus whatever bounds are set for the layer will be the max scroll // offset plus 1 in each direction. host_impl_.active_tree()->root_layer_for_testing()->SetBounds( gfx::Size(1, 1)); gfx::Vector2d max_scroll_offset(51, 81); layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y())); host_impl_.active_tree()->BuildLayerListAndPropertyTreesForTesting(); } LayerImpl* layer() { return host_impl_.active_tree() ->root_layer_for_testing() ->test_properties() ->children[0]; } ScrollTree* scroll_tree(LayerImpl* layer_impl) { return &layer_impl->layer_tree_impl()->property_trees()->scroll_tree; } LayerTreeHostImpl& host_impl() { return host_impl_; } LayerTreeImpl* tree() { return host_impl_.active_tree(); } LayerTreeSettings settings() { LayerTreeSettings settings; settings.verify_clip_tree_calculations = true; return settings; } private: FakeImplTaskRunnerProvider task_runner_provider_; TestTaskGraphRunner task_graph_runner_; FakeLayerTreeHostImpl host_impl_; int root_id_; }; TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) { // Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll // offset is bounded by the range [0, max scroll offset]. EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); EXPECT_VECTOR_EQ(gfx::Vector2dF(), ScrollDelta(layer())); layer()->ScrollBy(gfx::Vector2dF(-100, 100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(ScrollDelta(layer()), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); layer()->ScrollBy(gfx::Vector2dF(100, -100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(ScrollDelta(layer()), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); } TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) { gfx::ScrollOffset scroll_offset(10, 5); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->id(), scroll_offset); EXPECT_VECTOR_EQ(scroll_offset, layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); EXPECT_VECTOR_EQ(gfx::Vector2dF(), ScrollDelta(layer())); layer()->ScrollBy(gfx::Vector2dF(-100, 100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); layer()->ScrollBy(gfx::Vector2dF(100, -100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); } TEST_F(LayerImplScrollTest, ApplySentScrollsNoListener) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(20.5f, 8.5f); gfx::Vector2d sent_scroll_delta(12, -3); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->id(), scroll_offset); layer()->ScrollBy(sent_scroll_delta); scroll_tree(layer())->CollectScrollDeltasForTesting(); layer()->SetCurrentScrollOffset(scroll_offset + gfx::ScrollOffset(scroll_delta)); EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_delta, ScrollDelta(layer())); EXPECT_VECTOR_EQ( scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); scroll_tree(layer())->ApplySentScrollDeltasFromAbortedCommit(); EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, ScrollDelta(layer())); EXPECT_VECTOR_EQ( gfx::ScrollOffsetWithDelta(scroll_offset, sent_scroll_delta), scroll_tree(layer())->GetScrollOffsetBaseForTesting(layer()->id())); } TEST_F(LayerImplScrollTest, ScrollUserUnscrollableLayer) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(20.5f, 8.5f); layer()->set_user_scrollable_vertical(false); layer()->layer_tree_impl()->property_trees()->needs_rebuild = true; layer()->layer_tree_impl()->BuildLayerListAndPropertyTreesForTesting(); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->id(), scroll_offset); gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled); EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->CurrentScrollOffset()); } TEST_F(LayerImplScrollTest, PushPropertiesToMirrorsCurrentScrollOffset) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(12, 18); host_impl().CreatePendingTree(); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->id(), scroll_offset); gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 0), unscrolled); EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset()); scroll_tree(layer())->CollectScrollDeltasForTesting(); std::unique_ptr pending_layer = LayerImpl::Create(host_impl().sync_tree(), layer()->id()); scroll_tree(pending_layer.get()) ->UpdateScrollOffsetBaseForTesting(pending_layer->id(), layer()->CurrentScrollOffset()); pending_layer->PushPropertiesTo(layer()); EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(layer()->CurrentScrollOffset(), pending_layer->CurrentScrollOffset()); } } // namespace } // namespace cc