| // 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/output/filter_operation.h" |
| #include "cc/output/filter_operations.h" |
| #include "cc/test/fake_impl_proxy.h" |
| #include "cc/test/fake_layer_tree_host_impl.h" |
| #include "cc/test/fake_output_surface.h" |
| #include "cc/test/geometry_test_utils.h" |
| #include "cc/trees/layer_tree_impl.h" |
| #include "cc/trees/single_thread_proxy.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->ResetAllChangeTrackingForSubtree(); \ |
| code_to_test; \ |
| EXPECT_TRUE(root->LayerPropertyChanged()); \ |
| EXPECT_TRUE(child->LayerPropertyChanged()); \ |
| EXPECT_TRUE(grand_child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(root->LayerSurfacePropertyChanged()) |
| |
| #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \ |
| root->ResetAllChangeTrackingForSubtree(); \ |
| code_to_test; \ |
| EXPECT_FALSE(root->LayerPropertyChanged()); \ |
| EXPECT_FALSE(child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(grand_child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(root->LayerSurfacePropertyChanged()) |
| |
| #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \ |
| root->ResetAllChangeTrackingForSubtree(); \ |
| code_to_test; \ |
| EXPECT_TRUE(root->LayerPropertyChanged()); \ |
| EXPECT_FALSE(child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(grand_child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(root->LayerSurfacePropertyChanged()) |
| |
| #define EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(code_to_test) \ |
| root->ResetAllChangeTrackingForSubtree(); \ |
| code_to_test; \ |
| EXPECT_FALSE(root->LayerPropertyChanged()); \ |
| EXPECT_FALSE(child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(grand_child->LayerPropertyChanged()); \ |
| EXPECT_TRUE(root->LayerSurfacePropertyChanged()) |
| |
| #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ |
| root->ResetAllChangeTrackingForSubtree(); \ |
| 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->ResetAllChangeTrackingForSubtree(); \ |
| 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()); |
| |
| 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: |
| FakeImplProxy proxy; |
| FakeLayerTreeHostImpl host_impl(&proxy); |
| EXPECT_TRUE(host_impl.InitializeRenderer(CreateFakeOutputSurface())); |
| scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1); |
| root->AddChild(LayerImpl::Create(host_impl.active_tree(), 2)); |
| LayerImpl* child = root->children()[0]; |
| child->AddChild(LayerImpl::Create(host_impl.active_tree(), 3)); |
| LayerImpl* grand_child = child->children()[0]; |
| |
| root->SetScrollable(true); |
| |
| // 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); |
| gfx::RectF arbitrary_rect_f = |
| gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f)); |
| SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); |
| gfx::Transform arbitrary_transform; |
| arbitrary_transform.Scale3d(0.1, 0.2, 0.3); |
| FilterOperations arbitrary_filters; |
| arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); |
| skia::RefPtr<SkImageFilter> arbitrary_filter = |
| skia::AdoptRef(new SkBlurImageFilter(SK_Scalar1, SK_Scalar1)); |
| |
| // These properties are internal, and should not be considered "change" when |
| // they are used. |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->set_update_rect(arbitrary_rect_f)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetMaxScrollOffset(arbitrary_vector2d)); |
| |
| // Changing these properties affects the entire subtree of layers. |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPoint(arbitrary_point_f)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetAnchorPointZ(arbitrary_number)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitrary_filters)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(FilterOperations())); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilter(arbitrary_filter)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4))); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5))); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitrary_point_f)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPreserves3d(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| root->SetDoubleSided(false)); // constructor initializes it to "true". |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d())); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollOffset(arbitrary_vector2d)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetHideLayerAndSubtree(true)); |
| |
| // Changing these properties only affects the layer itself. |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetContentBounds(arbitrary_size)); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( |
| root->SetContentsScale(arbitrary_number, arbitrary_number)); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true)); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( |
| root->SetBackgroundColor(arbitrary_color)); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( |
| root->SetBackgroundFilters(arbitrary_filters)); |
| |
| // Changing these properties only affects how render surface is drawn |
| EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED(root->SetOpacity(arbitrary_number)); |
| EXECUTE_AND_VERIFY_ONLY_SURFACE_CHANGED( |
| root->SetTransform(arbitrary_transform)); |
| |
| // Special case: check that sublayer transform changes all layer's |
| // descendants, but not the layer itself. |
| root->ResetAllChangeTrackingForSubtree(); |
| root->SetSublayerTransform(arbitrary_transform); |
| EXPECT_FALSE(root->LayerPropertyChanged()); |
| EXPECT_TRUE(child->LayerPropertyChanged()); |
| EXPECT_TRUE(grand_child->LayerPropertyChanged()); |
| |
| // Special case: check that SetBounds changes behavior depending on |
| // masksToBounds. |
| root->SetMasksToBounds(false); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246))); |
| root->SetMasksToBounds(true); |
| // Should be a different size than previous call, to ensure it marks tree |
| // changed. |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrary_size)); |
| |
| // 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->SetAnchorPoint(arbitrary_point_f)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetAnchorPointZ(arbitrary_number)); |
| 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->SetPreserves3d(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetTransform(arbitrary_transform)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetDoubleSided(false)); // constructor initializes it to "true". |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetScrollDelta(gfx::Vector2d())); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetScrollOffset(arbitrary_vector2d)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetContentBounds(arbitrary_size)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetContentsScale(arbitrary_number, arbitrary_number)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitrary_number)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( |
| root->SetSublayerTransform(arbitrary_transform)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrary_size)); |
| } |
| |
| TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) { |
| FakeImplProxy proxy; |
| FakeLayerTreeHostImpl host_impl(&proxy); |
| EXPECT_TRUE(host_impl.InitializeRenderer(CreateFakeOutputSurface())); |
| scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1); |
| root->SetScrollable(true); |
| |
| 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::Vector2d large_vector2d = gfx::Vector2d(1000, 1000); |
| gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size); |
| gfx::RectF arbitrary_rect_f = |
| gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f)); |
| SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); |
| gfx::Transform arbitrary_transform; |
| arbitrary_transform.Scale3d(0.1, 0.2, 0.3); |
| FilterOperations arbitrary_filters; |
| arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); |
| skia::RefPtr<SkImageFilter> arbitrary_filter = |
| skia::AdoptRef(new SkBlurImageFilter(SK_Scalar1, SK_Scalar1)); |
| |
| // Related filter functions. |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(arbitrary_filters)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(arbitrary_filters)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilters(FilterOperations())); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitrary_filter)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitrary_filter)); |
| |
| // Related scrolling functions. |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMaxScrollOffset(large_vector2d)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetMaxScrollOffset(large_vector2d)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->ScrollBy(arbitrary_vector2d)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->ScrollBy(gfx::Vector2d())); |
| root->SetScrollDelta(gfx::Vector2d(0, 0)); |
| host_impl.ForcePrepareToDraw(); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetScrollDelta(arbitrary_vector2d)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetScrollDelta(arbitrary_vector2d)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetScrollOffset(arbitrary_vector2d)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetScrollOffset(arbitrary_vector2d)); |
| |
| // Unrelated functions, always set to new values, always set needs update. |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetAnchorPointZ(arbitrary_number)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4))); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMasksToBounds(true)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsOpaque(true)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5))); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPosition(arbitrary_point_f)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPreserves3d(true)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetDoubleSided(false)); // constructor initializes it to "true". |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentBounds(arbitrary_size)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetContentsScale(arbitrary_number, arbitrary_number)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDrawsContent(true)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetBackgroundColor(arbitrary_color)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetBackgroundFilters(arbitrary_filters)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetOpacity(arbitrary_number)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetTransform(arbitrary_transform)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetSublayerTransform(arbitrary_transform)); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBounds(arbitrary_size)); |
| |
| // Unrelated functions, set to the same values, no needs update. |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetAnchorPointZ(arbitrary_number)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetFilter(arbitrary_filter)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetMasksToBounds(true)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetContentsOpaque(true)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPosition(arbitrary_point_f)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetPreserves3d(true)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetDoubleSided(false)); // constructor initializes it to "true". |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetContentBounds(arbitrary_size)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetContentsScale(arbitrary_number, arbitrary_number)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetDrawsContent(true)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetBackgroundColor(arbitrary_color)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetBackgroundFilters(arbitrary_filters)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetOpacity(arbitrary_number)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetTransform(arbitrary_transform)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| root->SetSublayerTransform(arbitrary_transform)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(root->SetBounds(arbitrary_size)); |
| } |
| |
| TEST(LayerImplTest, SafeOpaqueBackgroundColor) { |
| FakeImplProxy proxy; |
| FakeLayerTreeHostImpl host_impl(&proxy); |
| EXPECT_TRUE(host_impl.InitializeRenderer(CreateFakeOutputSurface())); |
| scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1); |
| |
| 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); |
| |
| 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_(&proxy_), root_id_(7) { |
| host_impl_.active_tree() |
| ->SetRootLayer(LayerImpl::Create(host_impl_.active_tree(), root_id_)); |
| host_impl_.active_tree()->root_layer()->SetScrollable(true); |
| } |
| |
| LayerImpl* layer() { return host_impl_.active_tree()->root_layer(); } |
| |
| private: |
| FakeImplProxy proxy_; |
| 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]. |
| gfx::Vector2d max_scroll_offset(50, 80); |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(-100, 100)); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); |
| |
| EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(100, -100)); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset()); |
| |
| EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->scroll_offset()); |
| } |
| |
| TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(-100, 100)); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); |
| |
| EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset, |
| layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(100, -100)); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->TotalScrollOffset()); |
| |
| EXPECT_VECTOR_EQ(layer()->ScrollDelta() + scroll_offset, |
| layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| } |
| |
| class ScrollDelegateIgnore : public LayerScrollOffsetDelegate { |
| public: |
| virtual void SetMaxScrollOffset(gfx::Vector2dF max_scroll_offset) OVERRIDE {} |
| virtual void SetTotalScrollOffset(gfx::Vector2dF new_value) OVERRIDE {} |
| virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE { |
| return fixed_offset_; |
| } |
| virtual bool IsExternalFlingActive() const OVERRIDE { return false; } |
| |
| void set_fixed_offset(gfx::Vector2dF fixed_offset) { |
| fixed_offset_ = fixed_offset; |
| } |
| |
| virtual void SetTotalPageScaleFactor(float page_scale_factor) OVERRIDE {} |
| virtual void SetScrollableSize(gfx::SizeF scrollable_size) OVERRIDE {} |
| |
| private: |
| gfx::Vector2dF fixed_offset_; |
| }; |
| |
| TEST_F(LayerImplScrollTest, ScrollByWithIgnoringDelegate) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); |
| |
| ScrollDelegateIgnore delegate; |
| gfx::Vector2dF fixed_offset(32, 12); |
| delegate.set_fixed_offset(fixed_offset); |
| layer()->SetScrollOffsetDelegate(&delegate); |
| |
| EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(-100, 100)); |
| |
| EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| layer()->SetScrollOffsetDelegate(NULL); |
| |
| EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| gfx::Vector2dF scroll_delta(1, 1); |
| layer()->ScrollBy(scroll_delta); |
| |
| EXPECT_VECTOR_EQ(fixed_offset + scroll_delta, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| } |
| |
| class ScrollDelegateAccept : public LayerScrollOffsetDelegate { |
| public: |
| virtual void SetMaxScrollOffset(gfx::Vector2dF max_scroll_offset) OVERRIDE {} |
| virtual void SetTotalScrollOffset(gfx::Vector2dF new_value) OVERRIDE { |
| current_offset_ = new_value; |
| } |
| virtual gfx::Vector2dF GetTotalScrollOffset() OVERRIDE { |
| return current_offset_; |
| } |
| virtual bool IsExternalFlingActive() const OVERRIDE { return false; } |
| virtual void SetTotalPageScaleFactor(float page_scale_factor) OVERRIDE {} |
| virtual void SetScrollableSize(gfx::SizeF scrollable_size) OVERRIDE {} |
| |
| private: |
| gfx::Vector2dF current_offset_; |
| }; |
| |
| TEST_F(LayerImplScrollTest, ScrollByWithAcceptingDelegate) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); |
| |
| ScrollDelegateAccept delegate; |
| layer()->SetScrollOffsetDelegate(&delegate); |
| |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta()); |
| |
| layer()->ScrollBy(gfx::Vector2dF(-100, 100)); |
| |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| layer()->SetScrollOffsetDelegate(NULL); |
| |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| |
| gfx::Vector2dF scroll_delta(1, 1); |
| layer()->ScrollBy(scroll_delta); |
| |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(1, 80), layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| } |
| |
| TEST_F(LayerImplScrollTest, ApplySentScrollsNoDelegate) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| gfx::Vector2dF scroll_delta(20.5f, 8.5f); |
| gfx::Vector2d sent_scroll_delta(12, -3); |
| |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| layer()->ScrollBy(scroll_delta); |
| layer()->SetSentScrollDelta(sent_scroll_delta); |
| |
| EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_delta, layer()->ScrollDelta()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); |
| |
| layer()->ApplySentScrollDeltas(); |
| |
| EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, layer()->ScrollDelta()); |
| EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); |
| } |
| |
| TEST_F(LayerImplScrollTest, ApplySentScrollsWithIgnoringDelegate) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| gfx::Vector2d sent_scroll_delta(12, -3); |
| gfx::Vector2dF fixed_offset(32, 12); |
| |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| ScrollDelegateIgnore delegate; |
| delegate.set_fixed_offset(fixed_offset); |
| layer()->SetScrollOffsetDelegate(&delegate); |
| layer()->SetSentScrollDelta(sent_scroll_delta); |
| |
| EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); |
| |
| layer()->ApplySentScrollDeltas(); |
| |
| EXPECT_VECTOR_EQ(fixed_offset, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); |
| } |
| |
| TEST_F(LayerImplScrollTest, ApplySentScrollsWithAcceptingDelegate) { |
| gfx::Vector2d max_scroll_offset(50, 80); |
| gfx::Vector2d scroll_offset(10, 5); |
| gfx::Vector2d sent_scroll_delta(12, -3); |
| gfx::Vector2dF scroll_delta(20.5f, 8.5f); |
| |
| layer()->SetMaxScrollOffset(max_scroll_offset); |
| layer()->SetScrollOffset(scroll_offset); |
| ScrollDelegateAccept delegate; |
| layer()->SetScrollOffsetDelegate(&delegate); |
| layer()->ScrollBy(scroll_delta); |
| layer()->SetSentScrollDelta(sent_scroll_delta); |
| |
| EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(sent_scroll_delta, layer()->sent_scroll_delta()); |
| |
| layer()->ApplySentScrollDeltas(); |
| |
| EXPECT_VECTOR_EQ(scroll_offset + scroll_delta, layer()->TotalScrollOffset()); |
| EXPECT_VECTOR_EQ(scroll_offset + sent_scroll_delta, layer()->scroll_offset()); |
| EXPECT_VECTOR_EQ(gfx::Vector2d(), layer()->sent_scroll_delta()); |
| } |
| |
| } // namespace |
| } // namespace cc |