| // 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. |
| |
| #include "cc/trees/layer_tree_impl.h" |
| |
| #include "cc/layers/heads_up_display_layer_impl.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/solid_color_scrollbar_layer_impl.h" |
| #include "cc/test/fake_impl_task_runner_provider.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/test/layer_tree_host_common_test.h" |
| #include "cc/test/test_shared_bitmap_manager.h" |
| #include "cc/test/test_task_graph_runner.h" |
| #include "cc/trees/draw_property_utils.h" |
| #include "cc/trees/layer_tree_host_impl.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| |
| namespace cc { |
| namespace { |
| |
| class LayerTreeImplTest : public LayerTreeHostCommonTest { |
| public: |
| LayerTreeImplTest() : output_surface_(FakeOutputSurface::Create3d()) { |
| LayerTreeSettings settings; |
| settings.layer_transforms_should_scale_layer_contents = true; |
| settings.verify_clip_tree_calculations = true; |
| settings.verify_transform_tree_calculations = true; |
| host_impl_.reset(new FakeLayerTreeHostImpl(settings, &task_runner_provider_, |
| &shared_bitmap_manager_, |
| &task_graph_runner_)); |
| host_impl_->SetVisible(true); |
| EXPECT_TRUE(host_impl_->InitializeRenderer(output_surface_.get())); |
| } |
| |
| FakeLayerTreeHostImpl& host_impl() { return *host_impl_; } |
| |
| LayerImpl* root_layer() { |
| return host_impl_->active_tree()->root_layer_for_testing(); |
| } |
| int HitTestSimpleTree(int root_id, |
| int left_child_id, |
| int right_child_id, |
| int root_sorting_context, |
| int left_child_sorting_context, |
| int right_child_sorting_context, |
| float root_depth, |
| float left_child_depth, |
| float right_child_depth); |
| |
| const LayerImplList& RenderSurfaceLayerList() const { |
| return host_impl_->active_tree()->RenderSurfaceLayerList(); |
| } |
| |
| private: |
| TestSharedBitmapManager shared_bitmap_manager_; |
| TestTaskGraphRunner task_graph_runner_; |
| FakeImplTaskRunnerProvider task_runner_provider_; |
| std::unique_ptr<OutputSurface> output_surface_; |
| std::unique_ptr<FakeLayerTreeHostImpl> host_impl_; |
| }; |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSingleLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for a point outside the layer should return a null pointer. |
| gfx::PointF test_point(101.f, 101.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the root layer. |
| test_point = gfx::PointF(1.f, 1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, UpdateViewportAndHitTest) { |
| // Ensures that the viewport rect is correctly updated by the clip tree. |
| TestSharedBitmapManager shared_bitmap_manager; |
| TestTaskGraphRunner task_graph_runner; |
| FakeImplTaskRunnerProvider task_runner_provider; |
| LayerTreeSettings settings; |
| settings.verify_clip_tree_calculations = true; |
| settings.verify_transform_tree_calculations = true; |
| std::unique_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d(); |
| std::unique_ptr<FakeLayerTreeHostImpl> host_impl; |
| host_impl.reset(new FakeLayerTreeHostImpl(settings, &task_runner_provider, |
| &shared_bitmap_manager, |
| &task_graph_runner)); |
| host_impl->SetVisible(true); |
| EXPECT_TRUE(host_impl->InitializeRenderer(output_surface.get())); |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl->active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl->SetViewportSize(root->bounds()); |
| host_impl->active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl->UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| EXPECT_EQ( |
| gfx::RectF(gfx::SizeF(bounds)), |
| host_impl->active_tree()->property_trees()->clip_tree.ViewportClip()); |
| EXPECT_EQ( |
| gfx::Rect(bounds), |
| host_impl->active_tree()->root_layer_for_testing()->visible_layer_rect()); |
| |
| gfx::Size new_bounds(50, 50); |
| host_impl->SetViewportSize(new_bounds); |
| gfx::PointF test_point(51.f, 51.f); |
| host_impl->active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_EQ( |
| gfx::RectF(gfx::SizeF(new_bounds)), |
| host_impl->active_tree()->property_trees()->clip_tree.ViewportClip()); |
| EXPECT_EQ( |
| gfx::Rect(new_bounds), |
| host_impl->active_tree()->root_layer_for_testing()->visible_layer_rect()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSingleLayerAndHud) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| std::unique_ptr<HeadsUpDisplayLayerImpl> hud = |
| HeadsUpDisplayLayerImpl::Create(host_impl().active_tree(), 11111); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| // Create hud and add it as a child of root. |
| gfx::Size hud_bounds(200, 200); |
| SetLayerPropertiesForTesting(hud.get(), identity_matrix, transform_origin, |
| position, hud_bounds, true, false, false); |
| hud->SetDrawsContent(true); |
| |
| host_impl().active_tree()->set_hud_layer(hud.get()); |
| root->test_properties()->AddChild(std::move(hud)); |
| |
| host_impl().SetViewportSize(hud_bounds); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(2u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for a point inside HUD, but outside root should return null |
| gfx::PointF test_point(101.f, 101.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the root layer, never the HUD |
| // layer. |
| test_point = gfx::PointF(1.f, 1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForUninvertibleTransform) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform uninvertible_transform; |
| uninvertible_transform.matrix().set(0, 0, 0.0); |
| uninvertible_transform.matrix().set(1, 1, 0.0); |
| uninvertible_transform.matrix().set(2, 2, 0.0); |
| uninvertible_transform.matrix().set(3, 3, 0.0); |
| ASSERT_FALSE(uninvertible_transform.IsInvertible()); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), uninvertible_transform, |
| transform_origin, position, bounds, true, false, |
| true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_FALSE(root_layer()->ScreenSpaceTransform().IsInvertible()); |
| |
| // Hit testing any point should not hit the layer. If the invertible matrix is |
| // accidentally ignored and treated like an identity, then the hit testing |
| // will incorrectly hit the layer when it shouldn't. |
| gfx::PointF test_point(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(10.f, 10.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(10.f, 30.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(50.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(67.f, 48.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSinglePositionedLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(50.f, 50.f); |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for a point outside the layer should return a null pointer. |
| gfx::PointF test_point(49.f, 49.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Even though the layer exists at (101, 101), it should not be visible there |
| // since the root render surface would clamp it. |
| test_point = gfx::PointF(101.f, 101.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the root layer. |
| test_point = gfx::PointF(51.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSingleRotatedLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| gfx::Transform rotation45_degrees_about_center; |
| rotation45_degrees_about_center.Translate(50.0, 50.0); |
| rotation45_degrees_about_center.RotateAboutZAxis(45.0); |
| rotation45_degrees_about_center.Translate(-50.0, -50.0); |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), rotation45_degrees_about_center, |
| transform_origin, position, bounds, true, false, |
| true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for points outside the layer. |
| // These corners would have been inside the un-transformed layer, but they |
| // should not hit the correctly transformed layer. |
| gfx::PointF test_point(99.f, 99.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(1.f, 1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the root layer. |
| test_point = gfx::PointF(1.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| // Hit testing the corners that would overlap the unclipped layer, but are |
| // outside the clipped region. |
| test_point = gfx::PointF(50.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_FALSE(result_layer); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingClipNodeDifferentTransformAndTargetIds) { |
| // Tests hit testing on a layer whose clip node has different transform and |
| // target id. |
| gfx::Transform identity_matrix; |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(500, 500), true, false, |
| true); |
| gfx::Transform translation; |
| translation.Translate(100, 100); |
| std::unique_ptr<LayerImpl> render_surface = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| SetLayerPropertiesForTesting(render_surface.get(), translation, |
| gfx::Point3F(), gfx::PointF(), |
| gfx::Size(100, 100), true, false, true); |
| |
| gfx::Transform scale_matrix; |
| scale_matrix.Scale(2, 2); |
| std::unique_ptr<LayerImpl> scale = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| SetLayerPropertiesForTesting(scale.get(), scale_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(50, 50), true, false, |
| false); |
| |
| std::unique_ptr<LayerImpl> clip = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| SetLayerPropertiesForTesting(clip.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(25, 25), true, false, |
| false); |
| clip->SetMasksToBounds(true); |
| |
| std::unique_ptr<LayerImpl> test = |
| LayerImpl::Create(host_impl().active_tree(), 5); |
| SetLayerPropertiesForTesting(test.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| false); |
| test->SetDrawsContent(true); |
| |
| clip->test_properties()->AddChild(std::move(test)); |
| scale->test_properties()->AddChild(std::move(clip)); |
| render_surface->test_properties()->AddChild(std::move(scale)); |
| root->test_properties()->AddChild(std::move(render_surface)); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| gfx::PointF test_point(160.f, 160.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(140.f, 140.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(5, result_layer->id()); |
| |
| ClipTree& clip_tree = host_impl().active_tree()->property_trees()->clip_tree; |
| ClipNode* clip_node = clip_tree.Node(result_layer->clip_tree_index()); |
| EXPECT_NE(clip_node->data.transform_id, clip_node->data.target_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingSiblings) { |
| // This tests hit testing when the test point hits only one of the siblings. |
| gfx::Transform identity_matrix; |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| std::unique_ptr<LayerImpl> child1 = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| SetLayerPropertiesForTesting(child1.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(25, 25), true, false, |
| false); |
| child1->SetMasksToBounds(true); |
| child1->SetDrawsContent(true); |
| std::unique_ptr<LayerImpl> child2 = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| SetLayerPropertiesForTesting(child2.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), gfx::Size(75, 75), true, false, |
| false); |
| child2->SetMasksToBounds(true); |
| child2->SetDrawsContent(true); |
| root->test_properties()->AddChild(std::move(child1)); |
| root->test_properties()->AddChild(std::move(child2)); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| gfx::PointF test_point(50.f, 50.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingPointOutsideMaxTextureSize) { |
| gfx::Transform identity_matrix; |
| int max_texture_size = |
| host_impl().active_tree()->resource_provider()->max_texture_size(); |
| gfx::Size bounds(max_texture_size + 100, max_texture_size + 100); |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), bounds, true, false, true); |
| |
| std::unique_ptr<LayerImpl> surface = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| SetLayerPropertiesForTesting(surface.get(), identity_matrix, gfx::Point3F(), |
| gfx::PointF(), bounds, true, false, true); |
| surface->SetMasksToBounds(true); |
| surface->SetDrawsContent(true); |
| |
| root->test_properties()->AddChild(std::move(surface)); |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| gfx::PointF test_point(max_texture_size - 50, max_texture_size - 50); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_TRUE(result_layer); |
| |
| test_point = gfx::PointF(max_texture_size + 50, max_texture_size + 50); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSinglePerspectiveLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| |
| // perspective_projection_about_center * translation_by_z is designed so that |
| // the 100 x 100 layer becomes 50 x 50, and remains centered at (50, 50). |
| gfx::Transform perspective_projection_about_center; |
| perspective_projection_about_center.Translate(50.0, 50.0); |
| perspective_projection_about_center.ApplyPerspectiveDepth(1.0); |
| perspective_projection_about_center.Translate(-50.0, -50.0); |
| gfx::Transform translation_by_z; |
| translation_by_z.Translate3d(0.0, 0.0, -1.0); |
| |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting( |
| root.get(), perspective_projection_about_center * translation_by_z, |
| transform_origin, position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for points outside the layer. |
| // These corners would have been inside the un-transformed layer, but they |
| // should not hit the correctly transformed layer. |
| gfx::PointF test_point(24.f, 24.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(76.f, 76.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the root layer. |
| test_point = gfx::PointF(26.f, 26.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(74.f, 74.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForSimpleClippedLayer) { |
| // Test that hit-testing will only work for the visible portion of a layer, |
| // and not the entire layer bounds. Here we just test the simple axis-aligned |
| // case. |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| std::unique_ptr<LayerImpl> clipping_layer = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(25.f, 25.f); |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(clipping_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| clipping_layer->SetMasksToBounds(true); |
| |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 456); |
| position = gfx::PointF(-50.f, -50.f); |
| bounds = gfx::Size(300, 300); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| clipping_layer->test_properties()->AddChild(std::move(child)); |
| root->test_properties()->AddChild(std::move(clipping_layer)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_EQ(456, root_layer()->render_surface()->layer_list().at(0)->id()); |
| |
| // Hit testing for a point outside the layer should return a null pointer. |
| // Despite the child layer being very large, it should be clipped to the root |
| // layer's bounds. |
| gfx::PointF test_point(24.f, 24.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Even though the layer exists at (101, 101), it should not be visible there |
| // since the clipping_layer would clamp it. |
| test_point = gfx::PointF(76.f, 76.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the child layer. |
| test_point = gfx::PointF(26.f, 26.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| |
| test_point = gfx::PointF(74.f, 74.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForMultiClippedRotatedLayer) { |
| // This test checks whether hit testing correctly avoids hit testing with |
| // multiple ancestors that clip in non axis-aligned ways. To pass this test, |
| // the hit testing algorithm needs to recognize that multiple parent layers |
| // may clip the layer, and should not actually hit those clipped areas. |
| // |
| // The child and grand_child layers are both initialized to clip the |
| // rotated_leaf. The child layer is rotated about the top-left corner, so that |
| // the root + child clips combined create a triangle. The rotated_leaf will |
| // only be visible where it overlaps this triangle. |
| // |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| LayerImpl* root_layer = root.get(); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetMasksToBounds(true); |
| { |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 456); |
| std::unique_ptr<LayerImpl> grand_child = |
| LayerImpl::Create(host_impl().active_tree(), 789); |
| std::unique_ptr<LayerImpl> rotated_leaf = |
| LayerImpl::Create(host_impl().active_tree(), 2468); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(80, 80); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetMasksToBounds(true); |
| |
| gfx::Transform rotation45_degrees_about_corner; |
| rotation45_degrees_about_corner.RotateAboutZAxis(45.0); |
| |
| // remember, positioned with respect to its parent which is already at 10, |
| // 10 |
| position = gfx::PointF(); |
| bounds = |
| gfx::Size(200, 200); // to ensure it covers at least sqrt(2) * 100. |
| SetLayerPropertiesForTesting( |
| grand_child.get(), rotation45_degrees_about_corner, transform_origin, |
| position, bounds, true, false, false); |
| grand_child->SetMasksToBounds(true); |
| |
| // Rotates about the center of the layer |
| gfx::Transform rotated_leaf_transform; |
| rotated_leaf_transform.Translate( |
| -10.0, -10.0); // cancel out the grand_parent's position |
| rotated_leaf_transform.RotateAboutZAxis( |
| -45.0); // cancel out the corner 45-degree rotation of the parent. |
| rotated_leaf_transform.Translate(50.0, 50.0); |
| rotated_leaf_transform.RotateAboutZAxis(45.0); |
| rotated_leaf_transform.Translate(-50.0, -50.0); |
| position = gfx::PointF(); |
| bounds = gfx::Size(100, 100); |
| SetLayerPropertiesForTesting(rotated_leaf.get(), rotated_leaf_transform, |
| transform_origin, position, bounds, true, |
| false, false); |
| rotated_leaf->SetDrawsContent(true); |
| |
| grand_child->test_properties()->AddChild(std::move(rotated_leaf)); |
| child->test_properties()->AddChild(std::move(grand_child)); |
| root->test_properties()->AddChild(std::move(child)); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| |
| ExecuteCalculateDrawProperties(root_layer); |
| } |
| |
| host_impl().SetViewportSize(root_layer->bounds()); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| // (11, 89) is close to the the bottom left corner within the clip, but it is |
| // not inside the layer. |
| gfx::PointF test_point(11.f, 89.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Closer inwards from the bottom left will overlap the layer. |
| test_point = gfx::PointF(25.f, 75.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2468, result_layer->id()); |
| |
| // (4, 50) is inside the unclipped layer, but that corner of the layer should |
| // be clipped away by the grandparent and should not get hit. If hit testing |
| // blindly uses visible content rect without considering how parent may clip |
| // the layer, then hit testing would accidentally think that the point |
| // successfully hits the layer. |
| test_point = gfx::PointF(4.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // (11, 50) is inside the layer and within the clipped area. |
| test_point = gfx::PointF(11.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2468, result_layer->id()); |
| |
| // Around the middle, just to the right and up, would have hit the layer |
| // except that that area should be clipped away by the parent. |
| test_point = gfx::PointF(51.f, 49.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Around the middle, just to the left and down, should successfully hit the |
| // layer. |
| test_point = gfx::PointF(49.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2468, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForNonClippingIntermediateLayer) { |
| // This test checks that hit testing code does not accidentally clip to layer |
| // bounds for a layer that actually does not clip. |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| std::unique_ptr<LayerImpl> intermediate_layer = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(10.f, 10.f); |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(intermediate_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| // Sanity check the intermediate layer should not clip. |
| ASSERT_FALSE(intermediate_layer->masks_to_bounds()); |
| ASSERT_FALSE(intermediate_layer->test_properties()->mask_layer); |
| |
| // The child of the intermediate_layer is translated so that it does not |
| // overlap intermediate_layer at all. If child is incorrectly clipped, we |
| // would not be able to hit it successfully. |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 456); |
| position = gfx::PointF(60.f, 60.f); // 70, 70 in screen space |
| bounds = gfx::Size(20, 20); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| intermediate_layer->test_properties()->AddChild(std::move(child)); |
| root->test_properties()->AddChild(std::move(intermediate_layer)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_EQ(456, root_layer()->render_surface()->layer_list().at(0)->id()); |
| |
| // Hit testing for a point outside the layer should return a null pointer. |
| gfx::PointF test_point(69.f, 69.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(91.f, 91.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit testing for a point inside should return the child layer. |
| test_point = gfx::PointF(71.f, 71.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| |
| test_point = gfx::PointF(89.f, 89.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForMultipleLayers) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| LayerImpl* root_layer = root.get(); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| { |
| // child 1 and child2 are initialized to overlap between x=50 and x=60. |
| // grand_child is set to overlap both child1 and child2 between y=50 and |
| // y=60. The expected stacking order is: (front) child2, (second) |
| // grand_child, (third) child1, and (back) the root layer behind all other |
| // layers. |
| |
| std::unique_ptr<LayerImpl> child1 = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> child2 = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| std::unique_ptr<LayerImpl> grand_child1 = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| SetLayerPropertiesForTesting(child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| child1->SetDrawsContent(true); |
| |
| position = gfx::PointF(50.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| SetLayerPropertiesForTesting(child2.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| child2->SetDrawsContent(true); |
| |
| // Remember that grand_child is positioned with respect to its parent (i.e. |
| // child1). In screen space, the intended position is (10, 50), with size |
| // 100 x 50. |
| position = gfx::PointF(0.f, 40.f); |
| bounds = gfx::Size(100, 50); |
| SetLayerPropertiesForTesting(grand_child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child1->SetDrawsContent(true); |
| |
| child1->test_properties()->AddChild(std::move(grand_child1)); |
| root->test_properties()->AddChild(std::move(child1)); |
| root->test_properties()->AddChild(std::move(child2)); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| |
| ExecuteCalculateDrawProperties(root_layer); |
| } |
| |
| LayerImpl* child1 = root_layer->test_properties()->children[0]; |
| LayerImpl* child2 = root_layer->test_properties()->children[1]; |
| LayerImpl* grand_child1 = child1->test_properties()->children[0]; |
| |
| host_impl().SetViewportSize(root_layer->bounds()); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_TRUE(child1); |
| ASSERT_TRUE(child2); |
| ASSERT_TRUE(grand_child1); |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| RenderSurfaceImpl* root_render_surface = root_layer->render_surface(); |
| ASSERT_EQ(4u, root_render_surface->layer_list().size()); |
| ASSERT_EQ(1, root_render_surface->layer_list().at(0)->id()); // root layer |
| ASSERT_EQ(2, root_render_surface->layer_list().at(1)->id()); // child1 |
| ASSERT_EQ(4, root_render_surface->layer_list().at(2)->id()); // grand_child1 |
| ASSERT_EQ(3, root_render_surface->layer_list().at(3)->id()); // child2 |
| |
| // Nothing overlaps the root_layer at (1, 1), so hit testing there should find |
| // the root layer. |
| gfx::PointF test_point = gfx::PointF(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(1, result_layer->id()); |
| |
| // At (15, 15), child1 and root are the only layers. child1 is expected to be |
| // on top. |
| test_point = gfx::PointF(15.f, 15.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2, result_layer->id()); |
| |
| // At (51, 20), child1 and child2 overlap. child2 is expected to be on top. |
| test_point = gfx::PointF(51.f, 20.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (80, 51), child2 and grand_child1 overlap. child2 is expected to be on |
| // top. |
| test_point = gfx::PointF(80.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (51, 51), all layers overlap each other. child2 is expected to be on top |
| // of all other layers. |
| test_point = gfx::PointF(51.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (20, 51), child1 and grand_child1 overlap. grand_child1 is expected to |
| // be on top. |
| test_point = gfx::PointF(20.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(4, result_layer->id()); |
| } |
| |
| int LayerTreeImplTest::HitTestSimpleTree(int root_id, |
| int left_child_id, |
| int right_child_id, |
| int root_sorting_context, |
| int left_child_sorting_context, |
| int right_child_sorting_context, |
| float root_depth, |
| float left_child_depth, |
| float right_child_depth) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), root_id); |
| std::unique_ptr<LayerImpl> left_child = |
| LayerImpl::Create(host_impl().active_tree(), left_child_id); |
| std::unique_ptr<LayerImpl> right_child = |
| LayerImpl::Create(host_impl().active_tree(), right_child_id); |
| |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, root_depth); |
| SetLayerPropertiesForTesting(root.get(), translate_z, transform_origin, |
| position, bounds, false, false, true); |
| root->SetDrawsContent(true); |
| root->Set3dSortingContextId(root_sorting_context); |
| } |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, left_child_depth); |
| SetLayerPropertiesForTesting(left_child.get(), translate_z, |
| transform_origin, position, bounds, false, |
| false, false); |
| left_child->SetDrawsContent(true); |
| left_child->Set3dSortingContextId(left_child_sorting_context); |
| } |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, right_child_depth); |
| SetLayerPropertiesForTesting(right_child.get(), translate_z, |
| transform_origin, position, bounds, false, |
| false, false); |
| right_child->SetDrawsContent(true); |
| right_child->Set3dSortingContextId(right_child_sorting_context); |
| } |
| |
| root->test_properties()->AddChild(std::move(left_child)); |
| root->test_properties()->AddChild(std::move(right_child)); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| CHECK_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| gfx::PointF test_point = gfx::PointF(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| |
| CHECK(result_layer); |
| return result_layer->id(); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingSameSortingContextTied) { |
| int hit_layer_id = HitTestSimpleTree(/* ids */ 1, 2, 3, |
| /* sorting_contexts */ 10, 10, 10, |
| /* depths */ 0, 0, 0); |
| // 3 is the last in tree order, and so should be on top. |
| EXPECT_EQ(3, hit_layer_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingSameSortingContextChildWins) { |
| int hit_layer_id = HitTestSimpleTree(/* ids */ 1, 2, 3, |
| /* sorting_contexts */ 10, 10, 10, |
| /* depths */ 0, 1, 0); |
| EXPECT_EQ(2, hit_layer_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingWithoutSortingContext) { |
| int hit_layer_id = HitTestSimpleTree(/* ids */ 1, 2, 3, |
| /* sorting_contexts */ 0, 0, 0, |
| /* depths */ 0, 1, 0); |
| EXPECT_EQ(3, hit_layer_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingDistinctSortingContext) { |
| int hit_layer_id = HitTestSimpleTree(/* ids */ 1, 2, 3, |
| /* sorting_contexts */ 10, 11, 12, |
| /* depths */ 0, 1, 0); |
| EXPECT_EQ(3, hit_layer_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingSameSortingContextParentWins) { |
| int hit_layer_id = HitTestSimpleTree(/* ids */ 1, 2, 3, |
| /* sorting_contexts */ 10, 10, 10, |
| /* depths */ 0, -1, -1); |
| EXPECT_EQ(1, hit_layer_id); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingForMultipleLayersAtVaryingDepths) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| root->test_properties()->should_flatten_transform = false; |
| root->Set3dSortingContextId(1); |
| { |
| // child 1 and child2 are initialized to overlap between x=50 and x=60. |
| // grand_child is set to overlap both child1 and child2 between y=50 and |
| // y=60. The expected stacking order is: (front) child2, (second) |
| // grand_child, (third) child1, and (back) the root layer behind all other |
| // layers. |
| |
| std::unique_ptr<LayerImpl> child1 = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> child2 = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| std::unique_ptr<LayerImpl> grand_child1 = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| SetLayerPropertiesForTesting(child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| child1->SetDrawsContent(true); |
| child1->test_properties()->should_flatten_transform = false; |
| child1->Set3dSortingContextId(1); |
| |
| position = gfx::PointF(50.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, 10.f); |
| SetLayerPropertiesForTesting(child2.get(), translate_z, transform_origin, |
| position, bounds, true, false, false); |
| child2->SetDrawsContent(true); |
| child2->test_properties()->should_flatten_transform = false; |
| child2->Set3dSortingContextId(1); |
| |
| // Remember that grand_child is positioned with respect to its parent (i.e. |
| // child1). In screen space, the intended position is (10, 50), with size |
| // 100 x 50. |
| position = gfx::PointF(0.f, 40.f); |
| bounds = gfx::Size(100, 50); |
| SetLayerPropertiesForTesting(grand_child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child1->SetDrawsContent(true); |
| grand_child1->test_properties()->should_flatten_transform = false; |
| |
| child1->test_properties()->AddChild(std::move(grand_child1)); |
| root->test_properties()->AddChild(std::move(child1)); |
| root->test_properties()->AddChild(std::move(child2)); |
| } |
| |
| LayerImpl* child1 = root->test_properties()->children[0]; |
| LayerImpl* child2 = root->test_properties()->children[1]; |
| LayerImpl* grand_child1 = child1->test_properties()->children[0]; |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_TRUE(child1); |
| ASSERT_TRUE(child2); |
| ASSERT_TRUE(grand_child1); |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| // Nothing overlaps the root_layer at (1, 1), so hit testing there should find |
| // the root layer. |
| gfx::PointF test_point = gfx::PointF(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(1, result_layer->id()); |
| |
| // At (15, 15), child1 and root are the only layers. child1 is expected to be |
| // on top. |
| test_point = gfx::PointF(15.f, 15.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2, result_layer->id()); |
| |
| // At (51, 20), child1 and child2 overlap. child2 is expected to be on top, |
| // as it was transformed to the foreground. |
| test_point = gfx::PointF(51.f, 20.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (80, 51), child2 and grand_child1 overlap. child2 is expected to |
| // be on top, as it was transformed to the foreground. |
| test_point = gfx::PointF(80.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (51, 51), child1, child2 and grand_child1 overlap. child2 is expected to |
| // be on top, as it was transformed to the foreground. |
| test_point = gfx::PointF(51.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (20, 51), child1 and grand_child1 overlap. grand_child1 is expected to |
| // be on top, as it descends from child1. |
| test_point = gfx::PointF(20.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(4, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingRespectsClipParents) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| { |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> grand_child = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(1, 1); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| child->SetMasksToBounds(true); |
| |
| position = gfx::PointF(0.f, 40.f); |
| bounds = gfx::Size(100, 50); |
| SetLayerPropertiesForTesting(grand_child.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child->SetDrawsContent(true); |
| grand_child->SetHasRenderSurface(true); |
| |
| // This should let |grand_child| "escape" |child|'s clip. |
| grand_child->test_properties()->clip_parent = root.get(); |
| std::unique_ptr<std::set<LayerImpl*>> clip_children( |
| new std::set<LayerImpl*>); |
| clip_children->insert(grand_child.get()); |
| root->test_properties()->clip_children.reset(clip_children.release()); |
| |
| child->test_properties()->AddChild(std::move(grand_child)); |
| root->test_properties()->AddChild(std::move(child)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| gfx::PointF test_point(12.f, 52.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(4, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingRespectsScrollParents) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| { |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> scroll_child = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| std::unique_ptr<LayerImpl> grand_child = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(1, 1); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| child->SetMasksToBounds(true); |
| |
| position = gfx::PointF(); |
| bounds = gfx::Size(200, 200); |
| SetLayerPropertiesForTesting(scroll_child.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| scroll_child->SetDrawsContent(true); |
| |
| // This should cause scroll child and its descendants to be affected by |
| // |child|'s clip. |
| scroll_child->test_properties()->scroll_parent = child.get(); |
| std::unique_ptr<std::set<LayerImpl*>> scroll_children( |
| new std::set<LayerImpl*>); |
| scroll_children->insert(scroll_child.get()); |
| child->test_properties()->scroll_children.reset(scroll_children.release()); |
| |
| SetLayerPropertiesForTesting(grand_child.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child->SetDrawsContent(true); |
| grand_child->SetHasRenderSurface(true); |
| |
| scroll_child->test_properties()->AddChild(std::move(grand_child)); |
| root->test_properties()->AddChild(std::move(scroll_child)); |
| root->test_properties()->AddChild(std::move(child)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| gfx::PointF test_point(12.f, 52.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| // The |test_point| should have been clipped away by |child|, the scroll |
| // parent, so the only thing that should be hit is |root|. |
| ASSERT_TRUE(result_layer); |
| ASSERT_EQ(1, result_layer->id()); |
| } |
| TEST_F(LayerTreeImplTest, HitTestingForMultipleLayerLists) { |
| // |
| // The geometry is set up similarly to the previous case, but |
| // all layers are forced to be render surfaces now. |
| // |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| LayerImpl* root_layer = root.get(); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| { |
| // child 1 and child2 are initialized to overlap between x=50 and x=60. |
| // grand_child is set to overlap both child1 and child2 between y=50 and |
| // y=60. The expected stacking order is: (front) child2, (second) |
| // grand_child, (third) child1, and (back) the root layer behind all other |
| // layers. |
| |
| std::unique_ptr<LayerImpl> child1 = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> child2 = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| std::unique_ptr<LayerImpl> grand_child1 = |
| LayerImpl::Create(host_impl().active_tree(), 4); |
| |
| position = gfx::PointF(10.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| SetLayerPropertiesForTesting(child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| child1->SetDrawsContent(true); |
| child1->test_properties()->force_render_surface = true; |
| |
| position = gfx::PointF(50.f, 10.f); |
| bounds = gfx::Size(50, 50); |
| SetLayerPropertiesForTesting(child2.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| child2->SetDrawsContent(true); |
| child2->test_properties()->force_render_surface = true; |
| |
| // Remember that grand_child is positioned with respect to its parent (i.e. |
| // child1). In screen space, the intended position is (10, 50), with size |
| // 100 x 50. |
| position = gfx::PointF(0.f, 40.f); |
| bounds = gfx::Size(100, 50); |
| SetLayerPropertiesForTesting(grand_child1.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child1->SetDrawsContent(true); |
| grand_child1->test_properties()->force_render_surface = true; |
| |
| child1->test_properties()->AddChild(std::move(grand_child1)); |
| root->test_properties()->AddChild(std::move(child1)); |
| root->test_properties()->AddChild(std::move(child2)); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| |
| ExecuteCalculateDrawProperties(root_layer); |
| } |
| |
| LayerImpl* child1 = root_layer->test_properties()->children[0]; |
| LayerImpl* child2 = root_layer->test_properties()->children[1]; |
| LayerImpl* grand_child1 = child1->test_properties()->children[0]; |
| |
| host_impl().SetViewportSize(root_layer->bounds()); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_TRUE(child1); |
| ASSERT_TRUE(child2); |
| ASSERT_TRUE(grand_child1); |
| ASSERT_TRUE(child1->render_surface()); |
| ASSERT_TRUE(child2->render_surface()); |
| ASSERT_TRUE(grand_child1->render_surface()); |
| ASSERT_EQ(4u, RenderSurfaceLayerList().size()); |
| // The root surface has the root layer, and child1's and child2's render |
| // surfaces. |
| ASSERT_EQ(3u, root_layer->render_surface()->layer_list().size()); |
| // The child1 surface has the child1 layer and grand_child1's render surface. |
| ASSERT_EQ(2u, child1->render_surface()->layer_list().size()); |
| ASSERT_EQ(1u, child2->render_surface()->layer_list().size()); |
| ASSERT_EQ(1u, grand_child1->render_surface()->layer_list().size()); |
| ASSERT_EQ(1, RenderSurfaceLayerList().at(0)->id()); // root layer |
| ASSERT_EQ(2, RenderSurfaceLayerList()[1]->id()); // child1 |
| ASSERT_EQ(4, RenderSurfaceLayerList().at(2)->id()); // grand_child1 |
| ASSERT_EQ(3, RenderSurfaceLayerList()[3]->id()); // child2 |
| |
| // Nothing overlaps the root_layer at (1, 1), so hit testing there should find |
| // the root layer. |
| gfx::PointF test_point(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(1, result_layer->id()); |
| |
| // At (15, 15), child1 and root are the only layers. child1 is expected to be |
| // on top. |
| test_point = gfx::PointF(15.f, 15.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(2, result_layer->id()); |
| |
| // At (51, 20), child1 and child2 overlap. child2 is expected to be on top. |
| test_point = gfx::PointF(51.f, 20.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (80, 51), child2 and grand_child1 overlap. child2 is expected to be on |
| // top. |
| test_point = gfx::PointF(80.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (51, 51), all layers overlap each other. child2 is expected to be on top |
| // of all other layers. |
| test_point = gfx::PointF(51.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(3, result_layer->id()); |
| |
| // At (20, 51), child1 and grand_child1 overlap. grand_child1 is expected to |
| // be on top. |
| test_point = gfx::PointF(20.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(4, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitCheckingTouchHandlerRegionsForSingleLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| Region touch_handler_region(gfx::Rect(10, 10, 50, 50)); |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit checking for any point should return a null pointer for a layer without |
| // any touch event handler regions. |
| gfx::PointF test_point(11.f, 11.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| host_impl() |
| .active_tree() |
| ->root_layer_for_testing() |
| ->SetTouchEventHandlerRegion(touch_handler_region); |
| // Hit checking for a point outside the layer should return a null pointer. |
| test_point = gfx::PointF(101.f, 101.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the layer, but outside the touch handler |
| // region should return a null pointer. |
| test_point = gfx::PointF(1.f, 1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the touch event handler region should |
| // return the root layer. |
| test_point = gfx::PointF(11.f, 11.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(59.f, 59.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, |
| HitCheckingTouchHandlerRegionsForUninvertibleTransform) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform uninvertible_transform; |
| uninvertible_transform.matrix().set(0, 0, 0.0); |
| uninvertible_transform.matrix().set(1, 1, 0.0); |
| uninvertible_transform.matrix().set(2, 2, 0.0); |
| uninvertible_transform.matrix().set(3, 3, 0.0); |
| ASSERT_FALSE(uninvertible_transform.IsInvertible()); |
| |
| gfx::Transform identity_matrix; |
| Region touch_handler_region(gfx::Rect(10, 10, 50, 50)); |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), uninvertible_transform, |
| transform_origin, position, bounds, true, false, |
| true); |
| root->SetDrawsContent(true); |
| root->SetTouchEventHandlerRegion(touch_handler_region); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_FALSE(root_layer()->ScreenSpaceTransform().IsInvertible()); |
| |
| // Hit checking any point should not hit the touch handler region on the |
| // layer. If the invertible matrix is accidentally ignored and treated like an |
| // identity, then the hit testing will incorrectly hit the layer when it |
| // shouldn't. |
| gfx::PointF test_point(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(10.f, 10.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(10.f, 30.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(50.f, 50.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(67.f, 48.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(-1.f, -1.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| } |
| |
| TEST_F(LayerTreeImplTest, |
| HitCheckingTouchHandlerRegionsForSinglePositionedLayer) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| |
| gfx::Transform identity_matrix; |
| Region touch_handler_region(gfx::Rect(10, 10, 50, 50)); |
| gfx::Point3F transform_origin; |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(50.f, 50.f); |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| root->SetTouchEventHandlerRegion(touch_handler_region); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit checking for a point outside the layer should return a null pointer. |
| gfx::PointF test_point(49.f, 49.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Even though the layer has a touch handler region containing (101, 101), it |
| // should not be visible there since the root render surface would clamp it. |
| test_point = gfx::PointF(101.f, 101.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the layer, but outside the touch handler |
| // region should return a null pointer. |
| test_point = gfx::PointF(51.f, 51.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the touch event handler region should |
| // return the root layer. |
| test_point = gfx::PointF(61.f, 61.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(99.f, 99.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, |
| HitCheckingTouchHandlerRegionsForSingleLayerWithDeviceScale) { |
| // The layer's device_scale_factor and page_scale_factor should scale the |
| // content rect and we should be able to hit the touch handler region by |
| // scaling the points accordingly. |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| // Set the bounds of the root layer big enough to fit the child when scaled. |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| Region touch_handler_region(gfx::Rect(10, 10, 30, 30)); |
| gfx::PointF position(25.f, 25.f); |
| gfx::Size bounds(50, 50); |
| std::unique_ptr<LayerImpl> test_layer = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| SetLayerPropertiesForTesting(test_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| |
| test_layer->SetDrawsContent(true); |
| test_layer->SetTouchEventHandlerRegion(touch_handler_region); |
| root->test_properties()->AddChild(std::move(test_layer)); |
| } |
| |
| float device_scale_factor = 3.f; |
| float page_scale_factor = 5.f; |
| float max_page_scale_factor = 10.f; |
| gfx::Size scaled_bounds_for_root = gfx::ScaleToCeiledSize( |
| root->bounds(), device_scale_factor * page_scale_factor); |
| host_impl().SetViewportSize(scaled_bounds_for_root); |
| |
| host_impl().active_tree()->SetDeviceScaleFactor(device_scale_factor); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1, |
| Layer::INVALID_ID); |
| host_impl().active_tree()->BuildLayerListAndPropertyTreesForTesting(); |
| host_impl().active_tree()->PushPageScaleFromMainThread( |
| page_scale_factor, page_scale_factor, max_page_scale_factor); |
| host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| // The visible content rect for test_layer is actually 100x100, even though |
| // its layout size is 50x50, positioned at 25x25. |
| LayerImpl* test_layer = host_impl() |
| .active_tree() |
| ->root_layer_for_testing() |
| ->test_properties() |
| ->children[0]; |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Check whether the child layer fits into the root after scaled. |
| EXPECT_EQ(gfx::Rect(test_layer->bounds()), test_layer->visible_layer_rect()); |
| |
| // Hit checking for a point outside the layer should return a null pointer |
| // (the root layer does not have a touch event handler, so it will not be |
| // tested either). |
| gfx::PointF test_point(76.f, 76.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the layer, but outside the touch handler |
| // region should return a null pointer. |
| test_point = gfx::PointF(26.f, 26.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(34.f, 34.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(65.f, 65.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(74.f, 74.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the touch event handler region should |
| // return the root layer. |
| test_point = gfx::PointF(35.f, 35.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(64.f, 64.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| // Check update of page scale factor on the active tree when page scale layer |
| // is also the root layer. |
| page_scale_factor *= 1.5f; |
| host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor); |
| EXPECT_EQ(host_impl().active_tree()->root_layer_for_testing(), |
| host_impl().active_tree()->PageScaleLayer()); |
| |
| test_point = gfx::PointF(35.f, 35.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| |
| test_point = gfx::PointF(64.f, 64.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(12345, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitCheckingTouchHandlerRegionsForSimpleClippedLayer) { |
| // Test that hit-checking will only work for the visible portion of a layer, |
| // and not the entire layer bounds. Here we just test the simple axis-aligned |
| // case. |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| std::unique_ptr<LayerImpl> clipping_layer = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(25.f, 25.f); |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(clipping_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| clipping_layer->SetMasksToBounds(true); |
| |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 456); |
| Region touch_handler_region(gfx::Rect(10, 10, 50, 50)); |
| position = gfx::PointF(-50.f, -50.f); |
| bounds = gfx::Size(300, 300); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| child->SetTouchEventHandlerRegion(touch_handler_region); |
| clipping_layer->test_properties()->AddChild(std::move(child)); |
| root->test_properties()->AddChild(std::move(clipping_layer)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_EQ(456, root_layer()->render_surface()->layer_list().at(0)->id()); |
| |
| // Hit checking for a point outside the layer should return a null pointer. |
| // Despite the child layer being very large, it should be clipped to the root |
| // layer's bounds. |
| gfx::PointF test_point(24.f, 24.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the layer, but outside the touch handler |
| // region should return a null pointer. |
| test_point = gfx::PointF(35.f, 35.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| test_point = gfx::PointF(74.f, 74.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the touch event handler region should |
| // return the root layer. |
| test_point = gfx::PointF(25.f, 25.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| |
| test_point = gfx::PointF(34.f, 34.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, |
| HitCheckingTouchHandlerRegionsForClippedLayerWithDeviceScale) { |
| // The layer's device_scale_factor and page_scale_factor should scale the |
| // content rect and we should be able to hit the touch handler region by |
| // scaling the points accordingly. |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| // Set the bounds of the root layer big enough to fit the child when scaled. |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| std::unique_ptr<LayerImpl> surface = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| SetLayerPropertiesForTesting(surface.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| std::unique_ptr<LayerImpl> clipping_layer = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| // This layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(25.f, 20.f); |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(clipping_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| clipping_layer->SetMasksToBounds(true); |
| |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), 456); |
| Region touch_handler_region(gfx::Rect(0, 0, 300, 300)); |
| position = gfx::PointF(-50.f, -50.f); |
| bounds = gfx::Size(300, 300); |
| SetLayerPropertiesForTesting(child.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, false); |
| child->SetDrawsContent(true); |
| child->SetTouchEventHandlerRegion(touch_handler_region); |
| clipping_layer->test_properties()->AddChild(std::move(child)); |
| surface->test_properties()->AddChild(std::move(clipping_layer)); |
| root->test_properties()->AddChild(std::move(surface)); |
| } |
| |
| float device_scale_factor = 3.f; |
| float page_scale_factor = 1.f; |
| float max_page_scale_factor = 1.f; |
| gfx::Size scaled_bounds_for_root = gfx::ScaleToCeiledSize( |
| root->bounds(), device_scale_factor * page_scale_factor); |
| host_impl().SetViewportSize(scaled_bounds_for_root); |
| |
| host_impl().active_tree()->SetDeviceScaleFactor(device_scale_factor); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1, |
| Layer::INVALID_ID); |
| host_impl().active_tree()->BuildLayerListAndPropertyTreesForTesting(); |
| host_impl().active_tree()->PushPageScaleFromMainThread( |
| page_scale_factor, page_scale_factor, max_page_scale_factor); |
| host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(2u, RenderSurfaceLayerList().size()); |
| |
| // Hit checking for a point outside the layer should return a null pointer. |
| // Despite the child layer being very large, it should be clipped to the root |
| // layer's bounds. |
| gfx::PointF test_point(24.f, 24.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| |
| // Hit checking for a point inside the touch event handler region should |
| // return the child layer. |
| test_point = gfx::PointF(25.f, 25.f); |
| test_point = |
| gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(456, result_layer->id()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitCheckingTouchHandlerOverlappingRegions) { |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| { |
| std::unique_ptr<LayerImpl> touch_layer = |
| LayerImpl::Create(host_impl().active_tree(), 123); |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position; |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(touch_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| touch_layer->SetDrawsContent(true); |
| touch_layer->SetTouchEventHandlerRegion(gfx::Rect(0, 0, 50, 50)); |
| root->test_properties()->AddChild(std::move(touch_layer)); |
| } |
| |
| { |
| std::unique_ptr<LayerImpl> notouch_layer = |
| LayerImpl::Create(host_impl().active_tree(), 1234); |
| // this layer is positioned, and hit testing should correctly know where the |
| // layer is located. |
| gfx::PointF position(0, 25); |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(notouch_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| notouch_layer->SetDrawsContent(true); |
| root->test_properties()->AddChild(std::move(notouch_layer)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(2u, root_layer()->render_surface()->layer_list().size()); |
| ASSERT_EQ(123, root_layer()->render_surface()->layer_list().at(0)->id()); |
| ASSERT_EQ(1234, root_layer()->render_surface()->layer_list().at(1)->id()); |
| |
| gfx::PointF test_point(35.f, 35.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| |
| // We should have passed through the no-touch layer and found the layer |
| // behind it. |
| EXPECT_TRUE(result_layer); |
| |
| host_impl().active_tree()->LayerById(1234)->SetContentsOpaque(true); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| |
| // Even with an opaque layer in the middle, we should still find the layer |
| // with |
| // the touch handler behind it (since we can't assume that opaque layers are |
| // opaque to hit testing). |
| EXPECT_TRUE(result_layer); |
| |
| test_point = gfx::PointF(35.f, 15.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| EXPECT_EQ(123, result_layer->id()); |
| |
| test_point = gfx::PointF(35.f, 65.f); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingTouchHandlerRegionsForLayerThatIsNotDrawn) { |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| gfx::PointF(), gfx::Size(100, 100), true, false, |
| true); |
| root->SetDrawsContent(true); |
| { |
| Region touch_handler_region(gfx::Rect(10, 10, 30, 30)); |
| gfx::PointF position; |
| gfx::Size bounds(50, 50); |
| std::unique_ptr<LayerImpl> test_layer = |
| LayerImpl::Create(host_impl().active_tree(), 12345); |
| SetLayerPropertiesForTesting(test_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| |
| test_layer->SetDrawsContent(false); |
| test_layer->SetTouchEventHandlerRegion(touch_handler_region); |
| root->test_properties()->AddChild(std::move(test_layer)); |
| } |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| LayerImpl* test_layer = host_impl() |
| .active_tree() |
| ->root_layer_for_testing() |
| ->test_properties() |
| ->children[0]; |
| // As test_layer doesn't draw content, the layer list of root's render surface |
| // should contain only the root layer. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| // Hit testing for a point outside the test layer should return null pointer. |
| // We also implicitly check that the updated screen space transform of a layer |
| // that is not in drawn render surface layer list (test_layer) is used during |
| // hit testing (becuase the point is inside test_layer with respect to the old |
| // screen space transform). |
| gfx::PointF test_point(24.f, 24.f); |
| test_layer->SetPosition(gfx::PointF(25.f, 25.f)); |
| gfx::Transform expected_screen_space_transform; |
| expected_screen_space_transform.Translate(25.f, 25.f); |
| |
| host_impl().active_tree()->property_trees()->needs_rebuild = true; |
| host_impl().active_tree()->BuildLayerListAndPropertyTreesForTesting(); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| EXPECT_FALSE(result_layer); |
| EXPECT_FALSE(test_layer->is_drawn_render_surface_layer_list_member()); |
| EXPECT_TRANSFORMATION_MATRIX_EQ( |
| expected_screen_space_transform, |
| draw_property_utils::ScreenSpaceTransform( |
| test_layer, |
| host_impl().active_tree()->property_trees()->transform_tree)); |
| |
| // We change the position of the test layer such that the test point is now |
| // inside the test_layer. |
| test_layer = host_impl() |
| .active_tree() |
| ->root_layer_for_testing() |
| ->test_properties() |
| ->children[0]; |
| test_layer->SetPosition(gfx::PointF(10.f, 10.f)); |
| test_layer->NoteLayerPropertyChanged(); |
| expected_screen_space_transform.MakeIdentity(); |
| expected_screen_space_transform.Translate(10.f, 10.f); |
| |
| host_impl().active_tree()->property_trees()->needs_rebuild = true; |
| host_impl().active_tree()->BuildLayerListAndPropertyTreesForTesting(); |
| result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion( |
| test_point); |
| ASSERT_TRUE(result_layer); |
| ASSERT_EQ(test_layer, result_layer); |
| EXPECT_FALSE(result_layer->is_drawn_render_surface_layer_list_member()); |
| EXPECT_TRANSFORMATION_MATRIX_EQ( |
| expected_screen_space_transform, |
| draw_property_utils::ScreenSpaceTransform( |
| test_layer, |
| host_impl().active_tree()->property_trees()->transform_tree)); |
| } |
| |
| TEST_F(LayerTreeImplTest, SelectionBoundsForSingleLayer) { |
| int root_layer_id = 12345; |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), root_layer_id); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| root->SetDrawsContent(true); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| ASSERT_EQ(1u, root_layer()->render_surface()->layer_list().size()); |
| |
| LayerSelection input; |
| |
| input.start.type = gfx::SelectionBound::LEFT; |
| input.start.edge_top = gfx::Point(10, 10); |
| input.start.edge_bottom = gfx::Point(10, 20); |
| input.start.layer_id = root_layer_id; |
| |
| input.end.type = gfx::SelectionBound::RIGHT; |
| input.end.edge_top = gfx::Point(50, 10); |
| input.end.edge_bottom = gfx::Point(50, 30); |
| input.end.layer_id = root_layer_id; |
| |
| Selection<gfx::SelectionBound> output; |
| |
| // Empty input bounds should produce empty output bounds. |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_EQ(gfx::SelectionBound(), output.start); |
| EXPECT_EQ(gfx::SelectionBound(), output.end); |
| |
| // Selection bounds should produce distinct left and right bounds. |
| host_impl().active_tree()->RegisterSelection(input); |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_EQ(input.start.type, output.start.type()); |
| EXPECT_EQ(gfx::PointF(input.start.edge_bottom), output.start.edge_bottom()); |
| EXPECT_EQ(gfx::PointF(input.start.edge_top), output.start.edge_top()); |
| EXPECT_TRUE(output.start.visible()); |
| EXPECT_EQ(input.end.type, output.end.type()); |
| EXPECT_EQ(gfx::PointF(input.end.edge_bottom), output.end.edge_bottom()); |
| EXPECT_EQ(gfx::PointF(input.end.edge_top), output.end.edge_top()); |
| EXPECT_TRUE(output.end.visible()); |
| EXPECT_EQ(input.is_editable, output.is_editable); |
| EXPECT_EQ(input.is_empty_text_form_control, |
| output.is_empty_text_form_control); |
| |
| // Insertion bounds should produce identical left and right bounds. |
| LayerSelection insertion_input; |
| insertion_input.start.type = gfx::SelectionBound::CENTER; |
| insertion_input.start.edge_top = gfx::Point(15, 10); |
| insertion_input.start.edge_bottom = gfx::Point(15, 30); |
| insertion_input.start.layer_id = root_layer_id; |
| insertion_input.is_editable = true; |
| insertion_input.is_empty_text_form_control = true; |
| insertion_input.end = insertion_input.start; |
| host_impl().active_tree()->RegisterSelection(insertion_input); |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_EQ(insertion_input.start.type, output.start.type()); |
| EXPECT_EQ(gfx::PointF(insertion_input.start.edge_bottom), |
| output.start.edge_bottom()); |
| EXPECT_EQ(gfx::PointF(insertion_input.start.edge_top), |
| output.start.edge_top()); |
| EXPECT_EQ(insertion_input.is_editable, output.is_editable); |
| EXPECT_EQ(insertion_input.is_empty_text_form_control, |
| output.is_empty_text_form_control); |
| EXPECT_TRUE(output.start.visible()); |
| EXPECT_EQ(output.start, output.end); |
| } |
| |
| TEST_F(LayerTreeImplTest, SelectionBoundsForPartialOccludedLayers) { |
| int root_layer_id = 12345; |
| int clip_layer_id = 1234; |
| int clipped_layer_id = 123; |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), root_layer_id); |
| root->SetDrawsContent(true); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| |
| gfx::Vector2dF clipping_offset(10, 10); |
| { |
| std::unique_ptr<LayerImpl> clipping_layer = |
| LayerImpl::Create(host_impl().active_tree(), clip_layer_id); |
| // The clipping layer should occlude the right selection bound. |
| gfx::PointF position = gfx::PointF() + clipping_offset; |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(clipping_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| clipping_layer->SetMasksToBounds(true); |
| |
| std::unique_ptr<LayerImpl> clipped_layer = |
| LayerImpl::Create(host_impl().active_tree(), clipped_layer_id); |
| position = gfx::PointF(); |
| bounds = gfx::Size(100, 100); |
| SetLayerPropertiesForTesting(clipped_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| clipped_layer->SetDrawsContent(true); |
| clipping_layer->test_properties()->AddChild(std::move(clipped_layer)); |
| root->test_properties()->AddChild(std::move(clipping_layer)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| LayerSelection input; |
| input.start.type = gfx::SelectionBound::LEFT; |
| input.start.edge_top = gfx::Point(25, 10); |
| input.start.edge_bottom = gfx::Point(25, 30); |
| input.start.layer_id = clipped_layer_id; |
| |
| input.end.type = gfx::SelectionBound::RIGHT; |
| input.end.edge_top = gfx::Point(75, 10); |
| input.end.edge_bottom = gfx::Point(75, 30); |
| input.end.layer_id = clipped_layer_id; |
| host_impl().active_tree()->RegisterSelection(input); |
| |
| // The left bound should be occluded by the clip layer. |
| Selection<gfx::SelectionBound> output; |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_EQ(input.start.type, output.start.type()); |
| auto expected_output_start_top = gfx::PointF(input.start.edge_top); |
| auto expected_output_edge_botom = gfx::PointF(input.start.edge_bottom); |
| expected_output_start_top.Offset(clipping_offset.x(), clipping_offset.y()); |
| expected_output_edge_botom.Offset(clipping_offset.x(), clipping_offset.y()); |
| EXPECT_EQ(expected_output_start_top, output.start.edge_top()); |
| EXPECT_EQ(expected_output_edge_botom, output.start.edge_bottom()); |
| EXPECT_TRUE(output.start.visible()); |
| EXPECT_EQ(input.end.type, output.end.type()); |
| auto expected_output_end_top = gfx::PointF(input.end.edge_top); |
| auto expected_output_end_bottom = gfx::PointF(input.end.edge_bottom); |
| expected_output_end_bottom.Offset(clipping_offset.x(), clipping_offset.y()); |
| expected_output_end_top.Offset(clipping_offset.x(), clipping_offset.y()); |
| EXPECT_EQ(expected_output_end_top, output.end.edge_top()); |
| EXPECT_EQ(expected_output_end_bottom, output.end.edge_bottom()); |
| EXPECT_FALSE(output.end.visible()); |
| |
| // Handles outside the viewport bounds should be marked invisible. |
| input.start.edge_top = gfx::Point(-25, 0); |
| input.start.edge_bottom = gfx::Point(-25, 20); |
| host_impl().active_tree()->RegisterSelection(input); |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_FALSE(output.start.visible()); |
| |
| input.start.edge_top = gfx::Point(0, -25); |
| input.start.edge_bottom = gfx::Point(0, -5); |
| host_impl().active_tree()->RegisterSelection(input); |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_FALSE(output.start.visible()); |
| |
| // If the handle bottom is partially visible, the handle is marked visible. |
| input.start.edge_top = gfx::Point(0, -20); |
| input.start.edge_bottom = gfx::Point(0, 1); |
| host_impl().active_tree()->RegisterSelection(input); |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_TRUE(output.start.visible()); |
| } |
| |
| TEST_F(LayerTreeImplTest, SelectionBoundsForScaledLayers) { |
| int root_layer_id = 1; |
| int sub_layer_id = 2; |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), root_layer_id); |
| root->SetDrawsContent(true); |
| |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| |
| gfx::Vector2dF sub_layer_offset(10, 0); |
| { |
| std::unique_ptr<LayerImpl> sub_layer = |
| LayerImpl::Create(host_impl().active_tree(), sub_layer_id); |
| gfx::PointF position = gfx::PointF() + sub_layer_offset; |
| gfx::Size bounds(50, 50); |
| SetLayerPropertiesForTesting(sub_layer.get(), identity_matrix, |
| transform_origin, position, bounds, true, |
| false, false); |
| sub_layer->SetDrawsContent(true); |
| root->test_properties()->AddChild(std::move(sub_layer)); |
| } |
| |
| float device_scale_factor = 3.f; |
| float page_scale_factor = 5.f; |
| gfx::Size scaled_bounds_for_root = gfx::ScaleToCeiledSize( |
| root->bounds(), device_scale_factor * page_scale_factor); |
| host_impl().SetViewportSize(scaled_bounds_for_root); |
| |
| host_impl().active_tree()->SetDeviceScaleFactor(device_scale_factor); |
| host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1, |
| Layer::INVALID_ID); |
| host_impl().active_tree()->BuildLayerListAndPropertyTreesForTesting(); |
| host_impl().active_tree()->PushPageScaleFromMainThread( |
| page_scale_factor, page_scale_factor, page_scale_factor); |
| host_impl().active_tree()->SetPageScaleOnActiveTree(page_scale_factor); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| // Sanity check the scenario we just created. |
| ASSERT_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| LayerSelection input; |
| input.start.type = gfx::SelectionBound::LEFT; |
| input.start.edge_top = gfx::Point(10, 10); |
| input.start.edge_bottom = gfx::Point(10, 30); |
| input.start.layer_id = root_layer_id; |
| |
| input.end.type = gfx::SelectionBound::RIGHT; |
| input.end.edge_top = gfx::Point(0, 0); |
| input.end.edge_bottom = gfx::Point(0, 20); |
| input.end.layer_id = sub_layer_id; |
| host_impl().active_tree()->RegisterSelection(input); |
| |
| // The viewport bounds should be properly scaled by the page scale, but should |
| // remain in DIP coordinates. |
| Selection<gfx::SelectionBound> output; |
| host_impl().active_tree()->GetViewportSelection(&output); |
| EXPECT_EQ(input.start.type, output.start.type()); |
| auto expected_output_start_top = gfx::PointF(input.start.edge_top); |
| auto expected_output_edge_bottom = gfx::PointF(input.start.edge_bottom); |
| expected_output_start_top.Scale(page_scale_factor); |
| expected_output_edge_bottom.Scale(page_scale_factor); |
| EXPECT_EQ(expected_output_start_top, output.start.edge_top()); |
| EXPECT_EQ(expected_output_edge_bottom, output.start.edge_bottom()); |
| EXPECT_TRUE(output.start.visible()); |
| EXPECT_EQ(input.end.type, output.end.type()); |
| |
| auto expected_output_end_top = gfx::PointF(input.end.edge_top); |
| auto expected_output_end_bottom = gfx::PointF(input.end.edge_bottom); |
| expected_output_end_top.Offset(sub_layer_offset.x(), sub_layer_offset.y()); |
| expected_output_end_bottom.Offset(sub_layer_offset.x(), sub_layer_offset.y()); |
| expected_output_end_top.Scale(page_scale_factor); |
| expected_output_end_bottom.Scale(page_scale_factor); |
| EXPECT_EQ(expected_output_end_top, output.end.edge_top()); |
| EXPECT_EQ(expected_output_end_bottom, output.end.edge_bottom()); |
| EXPECT_TRUE(output.end.visible()); |
| } |
| |
| TEST_F(LayerTreeImplTest, SelectionBoundsWithLargeTransforms) { |
| int root_id = 1; |
| int child_id = 2; |
| int grand_child_id = 3; |
| |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), root_id); |
| gfx::Size bounds(100, 100); |
| gfx::Transform identity_matrix; |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| |
| SetLayerPropertiesForTesting(root.get(), identity_matrix, transform_origin, |
| position, bounds, true, false, true); |
| |
| gfx::Transform large_transform; |
| large_transform.Scale(SkDoubleToMScalar(1e37), SkDoubleToMScalar(1e37)); |
| large_transform.RotateAboutYAxis(30); |
| |
| { |
| std::unique_ptr<LayerImpl> child = |
| LayerImpl::Create(host_impl().active_tree(), child_id); |
| SetLayerPropertiesForTesting(child.get(), large_transform, transform_origin, |
| position, bounds, true, false, false); |
| |
| std::unique_ptr<LayerImpl> grand_child = |
| LayerImpl::Create(host_impl().active_tree(), grand_child_id); |
| SetLayerPropertiesForTesting(grand_child.get(), large_transform, |
| transform_origin, position, bounds, true, |
| false, false); |
| grand_child->SetDrawsContent(true); |
| |
| child->test_properties()->AddChild(std::move(grand_child)); |
| root->test_properties()->AddChild(std::move(child)); |
| } |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| LayerSelection input; |
| |
| input.start.type = gfx::SelectionBound::LEFT; |
| input.start.edge_top = gfx::Point(10, 10); |
| input.start.edge_bottom = gfx::Point(10, 20); |
| input.start.layer_id = grand_child_id; |
| |
| input.end.type = gfx::SelectionBound::RIGHT; |
| input.end.edge_top = gfx::Point(50, 10); |
| input.end.edge_bottom = gfx::Point(50, 30); |
| input.end.layer_id = grand_child_id; |
| |
| host_impl().active_tree()->RegisterSelection(input); |
| |
| Selection<gfx::SelectionBound> output; |
| host_impl().active_tree()->GetViewportSelection(&output); |
| |
| // edge_bottom and edge_top aren't allowed to have NaNs, so the selection |
| // should be empty. |
| EXPECT_EQ(gfx::SelectionBound(), output.start); |
| EXPECT_EQ(gfx::SelectionBound(), output.end); |
| } |
| |
| TEST_F(LayerTreeImplTest, NumLayersTestOne) { |
| EXPECT_EQ(0u, host_impl().active_tree()->NumLayers()); |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| EXPECT_EQ(1u, host_impl().active_tree()->NumLayers()); |
| } |
| |
| TEST_F(LayerTreeImplTest, NumLayersSmallTree) { |
| EXPECT_EQ(0u, host_impl().active_tree()->NumLayers()); |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| root->test_properties()->AddChild( |
| LayerImpl::Create(host_impl().active_tree(), 2)); |
| root->test_properties()->AddChild( |
| LayerImpl::Create(host_impl().active_tree(), 3)); |
| root->test_properties()->children[1]->test_properties()->AddChild( |
| LayerImpl::Create(host_impl().active_tree(), 4)); |
| EXPECT_EQ(4u, host_impl().active_tree()->NumLayers()); |
| } |
| |
| TEST_F(LayerTreeImplTest, DeviceScaleFactorNeedsDrawPropertiesUpdate) { |
| host_impl().active_tree()->SetDeviceScaleFactor(1.f); |
| host_impl().active_tree()->UpdateDrawProperties(false); |
| EXPECT_FALSE(host_impl().active_tree()->needs_update_draw_properties()); |
| host_impl().active_tree()->SetDeviceScaleFactor(2.f); |
| EXPECT_TRUE(host_impl().active_tree()->needs_update_draw_properties()); |
| } |
| |
| TEST_F(LayerTreeImplTest, HitTestingCorrectLayerWheelListener) { |
| host_impl().active_tree()->set_event_listener_properties( |
| EventListenerClass::kMouseWheel, EventListenerProperties::kBlocking); |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(host_impl().active_tree(), 1); |
| std::unique_ptr<LayerImpl> left_child = |
| LayerImpl::Create(host_impl().active_tree(), 2); |
| std::unique_ptr<LayerImpl> right_child = |
| LayerImpl::Create(host_impl().active_tree(), 3); |
| |
| gfx::Point3F transform_origin; |
| gfx::PointF position; |
| gfx::Size bounds(100, 100); |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, 10); |
| SetLayerPropertiesForTesting(root.get(), translate_z, transform_origin, |
| position, bounds, false, false, true); |
| root->SetDrawsContent(true); |
| } |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, 10); |
| SetLayerPropertiesForTesting(left_child.get(), translate_z, |
| transform_origin, position, bounds, false, |
| false, false); |
| left_child->SetDrawsContent(true); |
| } |
| { |
| gfx::Transform translate_z; |
| translate_z.Translate3d(0, 0, 10); |
| SetLayerPropertiesForTesting(right_child.get(), translate_z, |
| transform_origin, position, bounds, false, |
| false, false); |
| } |
| |
| root->test_properties()->AddChild(std::move(left_child)); |
| root->test_properties()->AddChild(std::move(right_child)); |
| |
| host_impl().SetViewportSize(root->bounds()); |
| host_impl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| CHECK_EQ(1u, RenderSurfaceLayerList().size()); |
| |
| gfx::PointF test_point = gfx::PointF(1.f, 1.f); |
| LayerImpl* result_layer = |
| host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point); |
| |
| CHECK(result_layer); |
| EXPECT_EQ(2, result_layer->id()); |
| } |
| |
| } // namespace |
| } // namespace cc |