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Unified Diff: cc/trees/layer_tree_impl_unittest.cc

Issue 1057283003: Remove parts of //cc we aren't using (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: cc/trees/layer_tree_impl_unittest.cc
diff --git a/cc/trees/layer_tree_impl_unittest.cc b/cc/trees/layer_tree_impl_unittest.cc
deleted file mode 100644
index c4abd5272cb2adaa3529aeb585023e18e91073d8..0000000000000000000000000000000000000000
--- a/cc/trees/layer_tree_impl_unittest.cc
+++ /dev/null
@@ -1,2160 +0,0 @@
-// 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_proxy.h"
-#include "cc/test/fake_layer_tree_host_impl.h"
-#include "cc/test/fake_output_surface.h"
-#include "cc/test/geometry_test_utils.h"
-#include "cc/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/layer_tree_host_impl.h"
-#include "ui/gfx/geometry/size_conversions.h"
-
-namespace cc {
-namespace {
-
-class LayerTreeImplTest : public LayerTreeHostCommonTest {
- public:
- LayerTreeImplTest() {
- LayerTreeSettings settings;
- settings.layer_transforms_should_scale_layer_contents = true;
- settings.scrollbar_show_scale_threshold = 1.1f;
- host_impl_.reset(new FakeLayerTreeHostImpl(
- settings, &proxy_, &shared_bitmap_manager_, &task_graph_runner_));
- EXPECT_TRUE(host_impl_->InitializeRenderer(FakeOutputSurface::Create3d()));
- }
-
- FakeLayerTreeHostImpl& host_impl() { return *host_impl_; }
-
- LayerImpl* root_layer() { return host_impl_->active_tree()->root_layer(); }
-
- const LayerImplList& RenderSurfaceLayerList() const {
- return host_impl_->active_tree()->RenderSurfaceLayerList();
- }
-
- private:
- TestSharedBitmapManager shared_bitmap_manager_;
- TestTaskGraphRunner task_graph_runner_;
- FakeImplProxy proxy_;
- scoped_ptr<FakeLayerTreeHostImpl> host_impl_;
-};
-
-TEST_F(LayerTreeImplTest, HitTestingForSingleLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(101, 101);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- 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::Point(1, 1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForSingleLayerAndHud) {
- scoped_ptr<LayerImpl> root =
- LayerImpl::Create(host_impl().active_tree(), 12345);
- scoped_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->AddChild(hud.Pass());
-
- host_impl().SetViewportSize(hud_bounds);
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point(101, 101);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- 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::Point(1, 1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForUninvertibleTransform) {
- scoped_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()->SetRootLayer(root.Pass());
- 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()->screen_space_transform().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::Point test_point(1, 1);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 10);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 30);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(50, 50);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(67, 48);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForSinglePositionedLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(49, 49);
- 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::Point(101, 101);
- 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::Point(51, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForSingleRotatedLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(99, 99);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(1, 1);
- 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::Point(1, 50);
- 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::Point(50, -1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, 50);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForSinglePerspectiveLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(24, 24);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(76, 76);
- 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::Point(26, 26);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForSingleLayerWithScaledContents) {
- // A layer's visible content rect is actually in the layer's content space.
- // The screen space transform converts from the layer's origin space to screen
- // space. This test makes sure that hit testing works correctly accounts for
- // the contents scale. A contents scale that is not 1 effectively forces a
- // non-identity transform between layer's content space and layer's origin
- // space. The hit testing code must take this into account.
- //
- // To test this, the layer is positioned at (25, 25), and is size (50, 50). If
- // contents scale is ignored, then hit testing will mis-interpret the visible
- // content rect as being larger than the actual bounds of the layer.
- //
- scoped_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);
- {
- gfx::PointF position(25.f, 25.f);
- gfx::Size bounds(50, 50);
- scoped_ptr<LayerImpl> test_layer =
- LayerImpl::Create(host_impl().active_tree(), 12345);
- SetLayerPropertiesForTesting(test_layer.get(), identity_matrix,
- transform_origin, position, bounds, true,
- false, false);
-
- // override content bounds and contents scale
- test_layer->SetContentBounds(gfx::Size(100, 100));
- test_layer->SetContentsScale(2, 2);
-
- test_layer->SetDrawsContent(true);
- root->AddChild(test_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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()->children()[0];
- EXPECT_EQ(gfx::Rect(0, 0, 100, 100), test_layer->visible_content_rect());
- 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 (the
- // root layer does not draw content, so it will not be hit tested either).
- gfx::Point test_point(101, 101);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(24, 24);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(76, 76);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the test layer.
- test_point = gfx::Point(26, 26);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- 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;
-
- scoped_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);
- {
- scoped_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);
-
- scoped_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->AddChild(child.Pass());
- root->AddChild(clipping_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point(24, 24);
- 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::Point(76, 76);
- 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::Point(26, 26);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- 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.
- //
- scoped_ptr<LayerImpl> root =
- LayerImpl::Create(host_impl().active_tree(), 123);
-
- 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);
- {
- scoped_ptr<LayerImpl> child =
- LayerImpl::Create(host_impl().active_tree(), 456);
- scoped_ptr<LayerImpl> grand_child =
- LayerImpl::Create(host_impl().active_tree(), 789);
- scoped_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->AddChild(rotated_leaf.Pass());
- child->AddChild(grand_child.Pass());
- root->AddChild(child.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
-
- // (11, 89) is close to the the bottom left corner within the clip, but it is
- // not inside the layer.
- gfx::Point test_point(11, 89);
- 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::Point(25, 75);
- 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::Point(4, 50);
- 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::Point(11, 50);
- 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::Point(51, 49);
- 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::Point(49, 51);
- 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;
-
- scoped_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);
- {
- scoped_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->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.
- scoped_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->AddChild(child.Pass());
- root->AddChild(intermediate_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point(69, 69);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(91, 91);
- 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::Point(71, 71);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(89, 89);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForMultipleLayers) {
- scoped_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);
- {
- // 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.
-
- scoped_ptr<LayerImpl> child1 =
- LayerImpl::Create(host_impl().active_tree(), 2);
- scoped_ptr<LayerImpl> child2 =
- LayerImpl::Create(host_impl().active_tree(), 3);
- scoped_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->AddChild(grand_child1.Pass());
- root->AddChild(child1.Pass());
- root->AddChild(child2.Pass());
- }
-
- LayerImpl* child1 = root->children()[0];
- LayerImpl* child2 = root->children()[1];
- LayerImpl* grand_child1 = child1->children()[0];
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point = gfx::Point(1, 1);
- 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::Point(15, 15);
- 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::Point(51, 20);
- 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::Point(80, 51);
- 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::Point(51, 51);
- 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::Point(20, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingForMultipleLayersAtVaryingDepths) {
- scoped_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->SetShouldFlattenTransform(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.
-
- scoped_ptr<LayerImpl> child1 =
- LayerImpl::Create(host_impl().active_tree(), 2);
- scoped_ptr<LayerImpl> child2 =
- LayerImpl::Create(host_impl().active_tree(), 3);
- scoped_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->SetShouldFlattenTransform(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->SetShouldFlattenTransform(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->SetShouldFlattenTransform(false);
-
- child1->AddChild(grand_child1.Pass());
- root->AddChild(child1.Pass());
- root->AddChild(child2.Pass());
- }
-
- LayerImpl* child1 = root->children()[0];
- LayerImpl* child2 = root->children()[1];
- LayerImpl* grand_child1 = child1->children()[0];
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point = gfx::Point(1, 1);
- 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::Point(15, 15);
- 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.
- // (because 3 is transformed to the back).
- test_point = gfx::Point(51, 20);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(2, result_layer->id());
-
- // 3 Would have been on top if it hadn't been transformed to the background.
- // Make sure that it isn't hit.
- test_point = gfx::Point(80, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-
- // 3 Would have been on top if it hadn't been transformed to the background.
- // Make sure that it isn't hit.
- test_point = gfx::Point(51, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-
- // At (20, 51), child1 and grand_child1 overlap. grand_child1 is expected to
- // be on top.
- test_point = gfx::Point(20, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingRespectsClipParents) {
- scoped_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);
- {
- scoped_ptr<LayerImpl> child =
- LayerImpl::Create(host_impl().active_tree(), 2);
- scoped_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->SetClipParent(root.get());
-
- child->AddChild(grand_child.Pass());
- root->AddChild(child.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
-
- gfx::Point test_point = gfx::Point(12, 52);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitTestingRespectsScrollParents) {
- scoped_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);
- {
- scoped_ptr<LayerImpl> child =
- LayerImpl::Create(host_impl().active_tree(), 2);
- scoped_ptr<LayerImpl> scroll_child =
- LayerImpl::Create(host_impl().active_tree(), 3);
- scoped_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->SetScrollParent(child.get());
-
- SetLayerPropertiesForTesting(grand_child.get(), identity_matrix,
- transform_origin, position, bounds, true,
- false, false);
- grand_child->SetDrawsContent(true);
- grand_child->SetHasRenderSurface(true);
-
- scroll_child->AddChild(grand_child.Pass());
- root->AddChild(scroll_child.Pass());
- root->AddChild(child.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
-
- gfx::Point test_point = gfx::Point(12, 52);
- 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.
- //
- scoped_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);
- {
- // 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.
-
- scoped_ptr<LayerImpl> child1 =
- LayerImpl::Create(host_impl().active_tree(), 2);
- scoped_ptr<LayerImpl> child2 =
- LayerImpl::Create(host_impl().active_tree(), 3);
- scoped_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->SetHasRenderSurface(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->SetHasRenderSurface(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->SetHasRenderSurface(true);
-
- child1->AddChild(grand_child1.Pass());
- root->AddChild(child1.Pass());
- root->AddChild(child2.Pass());
- }
-
- LayerImpl* child1 = root->children()[0];
- LayerImpl* child2 = root->children()[1];
- LayerImpl* grand_child1 = child1->children()[0];
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point = gfx::Point(1, 1);
- 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::Point(15, 15);
- 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::Point(51, 20);
- 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::Point(80, 51);
- 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::Point(51, 51);
- 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::Point(20, 51);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPoint(test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest, HitCheckingTouchHandlerRegionsForSingleLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(11, 11);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- host_impl().active_tree()->root_layer()->SetTouchEventHandlerRegion(
- touch_handler_region);
- // Hit checking for a point outside the layer should return a null pointer.
- test_point = gfx::Point(101, 101);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- 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::Point(1, 1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- 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::Point(11, 11);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(59, 59);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest,
- HitCheckingTouchHandlerRegionsForUninvertibleTransform) {
- scoped_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()->SetRootLayer(root.Pass());
- 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()->screen_space_transform().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::Point test_point(1, 1);
- LayerImpl* result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 10);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 30);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(50, 50);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(67, 48);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeImplTest, MakeScrollbarsInvisibleNearMinPageScale) {
- const int kThumbThickness = 10;
- const int kTrackStart = 0;
- const bool kIsLeftSideVerticalScrollbar = false;
- const bool kIsOverlayScrollbar = true;
-
- LayerTreeImpl* active_tree = host_impl().active_tree();
-
- scoped_ptr<LayerImpl> scroll_layer = LayerImpl::Create(active_tree, 1);
- scoped_ptr<SolidColorScrollbarLayerImpl> vertical_scrollbar_layer =
- SolidColorScrollbarLayerImpl::Create(active_tree,
- 2,
- VERTICAL,
- kThumbThickness,
- kTrackStart,
- kIsLeftSideVerticalScrollbar,
- kIsOverlayScrollbar);
- scoped_ptr<SolidColorScrollbarLayerImpl> horizontal_scrollbar_layer =
- SolidColorScrollbarLayerImpl::Create(active_tree,
- 3,
- HORIZONTAL,
- kThumbThickness,
- kTrackStart,
- kIsLeftSideVerticalScrollbar,
- kIsOverlayScrollbar);
-
- scoped_ptr<LayerImpl> clip_layer = LayerImpl::Create(active_tree, 4);
- scoped_ptr<LayerImpl> page_scale_layer = LayerImpl::Create(active_tree, 5);
-
- scroll_layer->SetScrollClipLayer(clip_layer->id());
-
- LayerImpl* scroll_layer_ptr = scroll_layer.get();
- LayerImpl* page_scale_layer_ptr = page_scale_layer.get();
-
- clip_layer->AddChild(page_scale_layer.Pass());
- page_scale_layer_ptr->AddChild(scroll_layer.Pass());
-
- vertical_scrollbar_layer->SetScrollLayerAndClipLayerByIds(
- scroll_layer_ptr->id(),
- clip_layer->id());
- horizontal_scrollbar_layer->SetScrollLayerAndClipLayerByIds(
- scroll_layer_ptr->id(),
- clip_layer->id());
-
- active_tree->PushPageScaleFromMainThread(1.0f, 1.0f, 4.0f);
- active_tree->SetViewportLayersFromIds(
- Layer::INVALID_ID, // Overscroll
- page_scale_layer_ptr->id(),
- scroll_layer_ptr->id(),
- Layer::INVALID_ID); // Outer Scroll
-
- EXPECT_TRUE(vertical_scrollbar_layer->hide_layer_and_subtree());
- EXPECT_TRUE(horizontal_scrollbar_layer->hide_layer_and_subtree());
-
- active_tree->PushPageScaleFromMainThread(1.05f, 1.0f, 4.0f);
- EXPECT_TRUE(vertical_scrollbar_layer->hide_layer_and_subtree());
- EXPECT_TRUE(horizontal_scrollbar_layer->hide_layer_and_subtree());
-
- active_tree->PushPageScaleFromMainThread(1.1f, 1.0f, 4.0f);
- EXPECT_FALSE(vertical_scrollbar_layer->hide_layer_and_subtree());
- EXPECT_FALSE(horizontal_scrollbar_layer->hide_layer_and_subtree());
-
- active_tree->PushPageScaleFromMainThread(1.5f, 1.0f, 4.0f);
- EXPECT_FALSE(vertical_scrollbar_layer->hide_layer_and_subtree());
- EXPECT_FALSE(horizontal_scrollbar_layer->hide_layer_and_subtree());
-}
-
-TEST_F(LayerTreeImplTest,
- HitCheckingTouchHandlerRegionsForSinglePositionedLayer) {
- scoped_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()->SetRootLayer(root.Pass());
- 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::Point test_point(49, 49);
- 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::Point(101, 101);
- 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::Point(51, 51);
- 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::Point(61, 61);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeImplTest,
- HitCheckingTouchHandlerRegionsForSingleLayerWithScaledContents) {
- // A layer's visible content rect is actually in the layer's content space.
- // The screen space transform converts from the layer's origin space to screen
- // space. This test makes sure that hit testing works correctly accounts for
- // the contents scale. A contents scale that is not 1 effectively forces a
- // non-identity transform between layer's content space and layer's origin
- // space. The hit testing code must take this into account.
- //
- // To test this, the layer is positioned at (25, 25), and is size (50, 50). If
- // contents scale is ignored, then hit checking will mis-interpret the visible
- // content rect as being larger than the actual bounds of the layer.
- //
- scoped_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);
- {
- Region touch_handler_region(gfx::Rect(10, 10, 30, 30));
- gfx::PointF position(25.f, 25.f);
- gfx::Size bounds(50, 50);
- scoped_ptr<LayerImpl> test_layer =
- LayerImpl::Create(host_impl().active_tree(), 12345);
- SetLayerPropertiesForTesting(test_layer.get(), identity_matrix,
- transform_origin, position, bounds, true,
- false, false);
-
- // override content bounds and contents scale
- test_layer->SetContentBounds(gfx::Size(100, 100));
- test_layer->SetContentsScale(2, 2);
-
- test_layer->SetDrawsContent(true);
- test_layer->SetTouchEventHandlerRegion(touch_handler_region);
- root->AddChild(test_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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()->children()[0];
- EXPECT_EQ(gfx::Rect(0, 0, 100, 100), test_layer->visible_content_rect());
- 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
- // (the root layer does not draw content, so it will not be tested either).
- gfx::Point test_point(76, 76);
- 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::Point(26, 26);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(34, 34);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(65, 65);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(74, 74);
- 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::Point(35, 35);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(64, 64);
- 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.
- scoped_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);
- scoped_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->AddChild(test_layer.Pass());
- }
-
- float device_scale_factor = 3.f;
- float page_scale_factor = 5.f;
- gfx::Size scaled_bounds_for_root = gfx::ToCeiledSize(
- gfx::ScaleSize(root->bounds(), device_scale_factor * page_scale_factor));
- host_impl().SetViewportSize(scaled_bounds_for_root);
-
- host_impl().SetDeviceScaleFactor(device_scale_factor);
- host_impl().active_tree()->PushPageScaleFromMainThread(
- page_scale_factor, page_scale_factor, page_scale_factor);
- host_impl().SetPageScaleOnActiveTree(page_scale_factor);
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1,
- Layer::INVALID_ID);
- 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()->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->content_bounds()),
- test_layer->visible_content_rect());
-
- // Hit checking for a point outside the layer should return a null pointer
- // (the root layer does not draw content, 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::Point(26, 26);
- 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::Point(34, 34);
- 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::Point(65, 65);
- 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::Point(74, 74);
- 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::Point(35, 35);
- 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::Point(64, 64);
- 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;
-
- scoped_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);
- {
- scoped_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);
-
- scoped_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->AddChild(child.Pass());
- root->AddChild(clipping_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point(24, 24);
- 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::Point(35, 35);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(74, 74);
- 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::Point(25, 25);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(34, 34);
- 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;
-
- scoped_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);
- {
- scoped_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->AddChild(touch_layer.Pass());
- }
-
- {
- scoped_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->AddChild(notouch_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- 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::Point test_point(35, 35);
- 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::Point(35, 15);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(123, result_layer->id());
-
- test_point = gfx::Point(35, 65);
- result_layer =
- host_impl().active_tree()->FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeImplTest, SelectionBoundsForSingleLayer) {
- int root_layer_id = 12345;
- scoped_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()->SetRootLayer(root.Pass());
- 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());
-
- LayerSelectionBound left_input;
- left_input.type = SELECTION_BOUND_LEFT;
- left_input.edge_top = gfx::PointF(10, 10);
- left_input.edge_bottom = gfx::PointF(10, 20);
- left_input.layer_id = root_layer_id;
-
- LayerSelectionBound right_input;
- right_input.type = SELECTION_BOUND_RIGHT;
- right_input.edge_top = gfx::PointF(50, 10);
- right_input.edge_bottom = gfx::PointF(50, 30);
- right_input.layer_id = root_layer_id;
-
- ViewportSelectionBound left_output, right_output;
-
- // Empty input bounds should produce empty output bounds.
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_EQ(ViewportSelectionBound(), left_output);
- EXPECT_EQ(ViewportSelectionBound(), right_output);
-
- // Selection bounds should produce distinct left and right bounds.
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_EQ(left_input.type, left_output.type);
- EXPECT_EQ(left_input.edge_bottom, left_output.edge_bottom);
- EXPECT_EQ(left_input.edge_top, left_output.edge_top);
- EXPECT_TRUE(left_output.visible);
- EXPECT_EQ(right_input.type, right_output.type);
- EXPECT_EQ(right_input.edge_bottom, right_output.edge_bottom);
- EXPECT_EQ(right_input.edge_top, right_output.edge_top);
- EXPECT_TRUE(right_output.visible);
-
- // Insertion bounds should produce identical left and right bounds.
- LayerSelectionBound insertion_input;
- insertion_input.type = SELECTION_BOUND_CENTER;
- insertion_input.edge_top = gfx::PointF(15, 10);
- insertion_input.edge_bottom = gfx::PointF(15, 30);
- insertion_input.layer_id = root_layer_id;
- host_impl().active_tree()->RegisterSelection(insertion_input,
- LayerSelectionBound());
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_EQ(insertion_input.type, left_output.type);
- EXPECT_EQ(insertion_input.edge_bottom, left_output.edge_bottom);
- EXPECT_EQ(insertion_input.edge_top, left_output.edge_top);
- EXPECT_TRUE(left_output.visible);
- EXPECT_EQ(left_output, right_output);
-}
-
-TEST_F(LayerTreeImplTest, SelectionBoundsForPartialOccludedLayers) {
- int root_layer_id = 12345;
- int clip_layer_id = 1234;
- int clipped_layer_id = 123;
- scoped_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);
- {
- scoped_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);
-
- scoped_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->AddChild(clipped_layer.Pass());
- root->AddChild(clipping_layer.Pass());
- }
-
- host_impl().SetViewportSize(root->bounds());
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, RenderSurfaceLayerList().size());
-
- LayerSelectionBound left_input;
- left_input.type = SELECTION_BOUND_LEFT;
- left_input.edge_top = gfx::PointF(25, 10);
- left_input.edge_bottom = gfx::PointF(25, 30);
- left_input.layer_id = clipped_layer_id;
-
- LayerSelectionBound right_input;
- right_input.type = SELECTION_BOUND_RIGHT;
- right_input.edge_top = gfx::PointF(75, 10);
- right_input.edge_bottom = gfx::PointF(75, 30);
- right_input.layer_id = clipped_layer_id;
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
-
- // The left bound should be occluded by the clip layer.
- ViewportSelectionBound left_output, right_output;
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_EQ(left_input.type, left_output.type);
- gfx::PointF expected_left_output_top = left_input.edge_top;
- gfx::PointF expected_left_output_bottom = left_input.edge_bottom;
- expected_left_output_top.Offset(clipping_offset.x(), clipping_offset.y());
- expected_left_output_bottom.Offset(clipping_offset.x(), clipping_offset.y());
- EXPECT_EQ(expected_left_output_top, left_output.edge_top);
- EXPECT_EQ(expected_left_output_bottom, left_output.edge_bottom);
- EXPECT_TRUE(left_output.visible);
- EXPECT_EQ(right_input.type, right_output.type);
- gfx::PointF expected_right_output_top = right_input.edge_top;
- gfx::PointF expected_right_output_bottom = right_input.edge_bottom;
- expected_right_output_bottom.Offset(clipping_offset.x(), clipping_offset.y());
- expected_right_output_top.Offset(clipping_offset.x(), clipping_offset.y());
- EXPECT_EQ(expected_right_output_top, right_output.edge_top);
- EXPECT_EQ(expected_right_output_bottom, right_output.edge_bottom);
- EXPECT_FALSE(right_output.visible);
-
- // Handles outside the viewport bounds should be marked invisible.
- left_input.edge_top = gfx::PointF(-25, 0);
- left_input.edge_bottom = gfx::PointF(-25, 20);
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_FALSE(left_output.visible);
-
- left_input.edge_top = gfx::PointF(0, -25);
- left_input.edge_bottom = gfx::PointF(0, -5);
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_FALSE(left_output.visible);
-
- // If the handle bottom is partially visible, the handle is marked visible.
- left_input.edge_top = gfx::PointF(0, -20);
- left_input.edge_bottom = gfx::PointF(0, 1);
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_TRUE(left_output.visible);
-}
-
-TEST_F(LayerTreeImplTest, SelectionBoundsForScaledLayers) {
- int root_layer_id = 1;
- int sub_layer_id = 2;
- scoped_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);
- {
- scoped_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->AddChild(sub_layer.Pass());
- }
-
- float device_scale_factor = 3.f;
- float page_scale_factor = 5.f;
- gfx::Size scaled_bounds_for_root = gfx::ToCeiledSize(
- gfx::ScaleSize(root->bounds(), device_scale_factor * page_scale_factor));
- host_impl().SetViewportSize(scaled_bounds_for_root);
-
- host_impl().SetDeviceScaleFactor(device_scale_factor);
- host_impl().active_tree()->PushPageScaleFromMainThread(
- page_scale_factor, page_scale_factor, page_scale_factor);
- host_impl().SetPageScaleOnActiveTree(page_scale_factor);
- host_impl().active_tree()->SetRootLayer(root.Pass());
- host_impl().active_tree()->SetViewportLayersFromIds(Layer::INVALID_ID, 1, 1,
- Layer::INVALID_ID);
- host_impl().UpdateNumChildrenAndDrawPropertiesForActiveTree();
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, RenderSurfaceLayerList().size());
-
- LayerSelectionBound left_input;
- left_input.type = SELECTION_BOUND_LEFT;
- left_input.edge_top = gfx::PointF(10, 10);
- left_input.edge_bottom = gfx::PointF(10, 30);
- left_input.layer_id = root_layer_id;
-
- LayerSelectionBound right_input;
- right_input.type = SELECTION_BOUND_RIGHT;
- right_input.edge_top = gfx::PointF(0, 0);
- right_input.edge_bottom = gfx::PointF(0, 20);
- right_input.layer_id = sub_layer_id;
- host_impl().active_tree()->RegisterSelection(left_input, right_input);
-
- // The viewport bounds should be properly scaled by the page scale, but should
- // remain in DIP coordinates.
- ViewportSelectionBound left_output, right_output;
- host_impl().active_tree()->GetViewportSelection(&left_output, &right_output);
- EXPECT_EQ(left_input.type, left_output.type);
- gfx::PointF expected_left_output_top = left_input.edge_top;
- gfx::PointF expected_left_output_bottom = left_input.edge_bottom;
- expected_left_output_top.Scale(page_scale_factor);
- expected_left_output_bottom.Scale(page_scale_factor);
- EXPECT_EQ(left_input.edge_top, left_output.edge_top);
- EXPECT_EQ(left_input.edge_bottom, left_output.edge_bottom);
- EXPECT_TRUE(left_output.visible);
- EXPECT_EQ(right_input.type, right_output.type);
-
- gfx::PointF expected_right_output_top = right_input.edge_top;
- gfx::PointF expected_right_output_bottom = right_input.edge_bottom;
- expected_right_output_top.Offset(sub_layer_offset.x(), sub_layer_offset.y());
- expected_right_output_bottom.Offset(sub_layer_offset.x(),
- sub_layer_offset.y());
- expected_right_output_top.Scale(page_scale_factor);
- expected_right_output_bottom.Scale(page_scale_factor);
- EXPECT_EQ(expected_right_output_top, right_output.edge_top);
- EXPECT_EQ(expected_right_output_bottom, right_output.edge_bottom);
- EXPECT_TRUE(right_output.visible);
-}
-
-TEST_F(LayerTreeImplTest, NumLayersTestOne) {
- EXPECT_EQ(0u, host_impl().active_tree()->NumLayers());
- scoped_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());
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl().active_tree(), 1);
- root->AddChild(LayerImpl::Create(host_impl().active_tree(), 2));
- root->AddChild(LayerImpl::Create(host_impl().active_tree(), 3));
- root->child_at(1)->AddChild(LayerImpl::Create(host_impl().active_tree(), 4));
- EXPECT_EQ(4u, host_impl().active_tree()->NumLayers());
-}
-
-} // namespace
-} // namespace cc
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