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Unified Diff: cc/trees/layer_tree_host_common_unittest.cc

Issue 266913021: Hit test on the layer tree rather than the RSLL (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Helps if you upload all your files. Created 6 years, 7 months ago
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Index: cc/trees/layer_tree_host_common_unittest.cc
diff --git a/cc/trees/layer_tree_host_common_unittest.cc b/cc/trees/layer_tree_host_common_unittest.cc
index 48a665d94560ddbb8caff49c238011c37b72e4ec..43d94da6d9a9dc166ddad829fdaba93e04a39a10 100644
--- a/cc/trees/layer_tree_host_common_unittest.cc
+++ b/cc/trees/layer_tree_host_common_unittest.cc
@@ -11,7 +11,6 @@
#include "cc/base/math_util.h"
#include "cc/layers/content_layer.h"
#include "cc/layers/content_layer_client.h"
-#include "cc/layers/heads_up_display_layer_impl.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_client.h"
#include "cc/layers/layer_impl.h"
@@ -25,183 +24,18 @@
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/geometry_test_utils.h"
+#include "cc/test/layer_tree_host_common_test.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/proxy.h"
#include "cc/trees/single_thread_proxy.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/quad_f.h"
-#include "ui/gfx/size_conversions.h"
#include "ui/gfx/transform.h"
namespace cc {
namespace {
-class LayerTreeHostCommonTestBase {
- protected:
- LayerTreeHostCommonTestBase() : render_surface_layer_list_count_(0) {}
-
- template <typename LayerType>
- void SetLayerPropertiesForTestingInternal(
- LayerType* layer,
- const gfx::Transform& transform,
- const gfx::PointF& anchor,
- const gfx::PointF& position,
- const gfx::Size& bounds,
- bool flatten_transform,
- bool is_3d_sorted) {
- layer->SetTransform(transform);
- layer->SetAnchorPoint(anchor);
- layer->SetPosition(position);
- layer->SetBounds(bounds);
- layer->SetShouldFlattenTransform(flatten_transform);
- layer->SetIs3dSorted(is_3d_sorted);
- }
-
- void SetLayerPropertiesForTesting(Layer* layer,
- const gfx::Transform& transform,
- const gfx::PointF& anchor,
- const gfx::PointF& position,
- const gfx::Size& bounds,
- bool flatten_transform,
- bool is_3d_sorted) {
- SetLayerPropertiesForTestingInternal<Layer>(layer,
- transform,
- anchor,
- position,
- bounds,
- flatten_transform,
- is_3d_sorted);
- }
-
- void SetLayerPropertiesForTesting(LayerImpl* layer,
- const gfx::Transform& transform,
- const gfx::PointF& anchor,
- const gfx::PointF& position,
- const gfx::Size& bounds,
- bool flatten_transform,
- bool is_3d_sorted) {
- SetLayerPropertiesForTestingInternal<LayerImpl>(layer,
- transform,
- anchor,
- position,
- bounds,
- flatten_transform,
- is_3d_sorted);
- layer->SetContentBounds(bounds);
- }
-
- void ExecuteCalculateDrawProperties(Layer* root_layer,
- float device_scale_factor,
- float page_scale_factor,
- Layer* page_scale_application_layer,
- bool can_use_lcd_text) {
- EXPECT_TRUE(page_scale_application_layer || (page_scale_factor == 1.f));
- gfx::Transform identity_matrix;
- gfx::Size device_viewport_size =
- gfx::Size(root_layer->bounds().width() * device_scale_factor,
- root_layer->bounds().height() * device_scale_factor);
-
- render_surface_layer_list_.reset(new RenderSurfaceLayerList);
-
- // We are probably not testing what is intended if the root_layer bounds are
- // empty.
- DCHECK(!root_layer->bounds().IsEmpty());
- LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
- root_layer, device_viewport_size, render_surface_layer_list_.get());
- inputs.device_scale_factor = device_scale_factor;
- inputs.page_scale_factor = page_scale_factor;
- inputs.page_scale_application_layer = page_scale_application_layer;
- inputs.can_use_lcd_text = can_use_lcd_text;
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
- }
-
- void ExecuteCalculateDrawProperties(LayerImpl* root_layer,
- float device_scale_factor,
- float page_scale_factor,
- LayerImpl* page_scale_application_layer,
- bool can_use_lcd_text) {
- gfx::Transform identity_matrix;
- gfx::Size device_viewport_size =
- gfx::Size(root_layer->bounds().width() * device_scale_factor,
- root_layer->bounds().height() * device_scale_factor);
-
- render_surface_layer_list_impl_.reset(new LayerImplList);
-
- // We are probably not testing what is intended if the root_layer bounds are
- // empty.
- DCHECK(!root_layer->bounds().IsEmpty());
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root_layer,
- device_viewport_size,
- render_surface_layer_list_impl_.get());
- inputs.device_scale_factor = device_scale_factor;
- inputs.page_scale_factor = page_scale_factor;
- inputs.page_scale_application_layer = page_scale_application_layer;
- inputs.can_use_lcd_text = can_use_lcd_text;
- inputs.can_adjust_raster_scales = true;
-
- ++render_surface_layer_list_count_;
- inputs.current_render_surface_layer_list_id =
- render_surface_layer_list_count_;
-
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
- }
-
- template <class LayerType>
- void ExecuteCalculateDrawProperties(LayerType* root_layer) {
- LayerType* page_scale_application_layer = NULL;
- ExecuteCalculateDrawProperties(
- root_layer, 1.f, 1.f, page_scale_application_layer, false);
- }
-
- template <class LayerType>
- void ExecuteCalculateDrawProperties(LayerType* root_layer,
- float device_scale_factor) {
- LayerType* page_scale_application_layer = NULL;
- ExecuteCalculateDrawProperties(root_layer,
- device_scale_factor,
- 1.f,
- page_scale_application_layer,
- false);
- }
-
- template <class LayerType>
- void ExecuteCalculateDrawProperties(LayerType* root_layer,
- float device_scale_factor,
- float page_scale_factor,
- LayerType* page_scale_application_layer) {
- ExecuteCalculateDrawProperties(root_layer,
- device_scale_factor,
- page_scale_factor,
- page_scale_application_layer,
- false);
- }
-
- RenderSurfaceLayerList* render_surface_layer_list() const {
- return render_surface_layer_list_.get();
- }
-
- LayerImplList* render_surface_layer_list_impl() const {
- return render_surface_layer_list_impl_.get();
- }
-
- int render_surface_layer_list_count() const {
- return render_surface_layer_list_count_;
- }
-
- private:
- scoped_ptr<RenderSurfaceLayerList> render_surface_layer_list_;
- scoped_ptr<LayerImplList> render_surface_layer_list_impl_;
-
- int render_surface_layer_list_count_;
-};
-
-class LayerTreeHostCommonTest : public LayerTreeHostCommonTestBase,
- public testing::Test {
-};
-
class LayerWithForcedDrawsContent : public Layer {
public:
LayerWithForcedDrawsContent() : Layer(), last_device_scale_factor_(0.f) {}
@@ -4161,1986 +3995,6 @@ TEST_F(LayerTreeHostCommonTest,
->render_surface()->layer_list().at(1)->id());
}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForEmptyLayerList) {
- // Hit testing on an empty render_surface_layer_list should return a null
- // pointer.
- LayerImplList render_surface_layer_list;
-
- gfx::Point test_point(0, 0);
- LayerImpl* result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 20);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForSingleLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root =
- LayerImpl::Create(host_impl.active_tree(), 12345);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the root layer.
- test_point = gfx::Point(1, 1);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForSingleLayerAndHud) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- // Create hud and add it as a child of root.
- gfx::Size hud_bounds(200, 200);
- SetLayerPropertiesForTesting(hud.get(),
- identity_matrix,
- anchor,
- position,
- hud_bounds,
- true,
- false);
- hud->SetDrawsContent(true);
-
- host_impl.active_tree()->set_hud_layer(hud.get());
- root->AddChild(hud.PassAs<LayerImpl>());
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), hud_bounds, &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(2u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForUninvertibleTransform) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- uninvertible_transform,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
- ASSERT_FALSE(root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 10);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 30);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(50, 50);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(67, 48);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForSinglePositionedLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root =
- LayerImpl::Create(host_impl.active_tree(), 12345);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- // 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,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the root layer.
- test_point = gfx::Point(51, 51);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForSingleRotatedLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- rotation45_degrees_about_center,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(1, 1);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the root layer.
- test_point = gfx::Point(1, 50);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, 50);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForSinglePerspectiveLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(
- root.get(),
- perspective_projection_about_center * translation_by_z,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(76, 76);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the root layer.
- test_point = gfx::Point(26, 26);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, 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.
- //
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
-
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // 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 = root->children()[0];
- EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 100),
- test_layer->visible_content_rect());
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(24, 24);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(76, 76);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the test layer.
- test_point = gfx::Point(26, 26);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, 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::PointF anchor;
-
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- child->SetDrawsContent(true);
- clipping_layer->AddChild(child.Pass());
- root->AddChild(clipping_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
- ASSERT_EQ(456, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the child layer.
- test_point = gfx::Point(26, 26);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(74, 74);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, 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.
- //
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 123);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- rotated_leaf->SetDrawsContent(true);
-
- grand_child->AddChild(rotated_leaf.Pass());
- child->AddChild(grand_child.Pass());
- root->AddChild(child.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- // The grand_child is expected to create a render surface because it
- // MasksToBounds and is not axis aligned.
- ASSERT_EQ(2u, render_surface_layer_list.size());
- ASSERT_EQ(
- 1u,
- render_surface_layer_list.at(0)->render_surface()->layer_list().size());
- ASSERT_EQ(789,
- render_surface_layer_list.at(0)->render_surface()->layer_list().at(
- 0)->id()); // grand_child's surface.
- ASSERT_EQ(
- 1u,
- render_surface_layer_list.at(1)->render_surface()->layer_list().size());
- ASSERT_EQ(
- 2468,
- render_surface_layer_list[1]->render_surface()->layer_list().at(0)->id());
-
- // (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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Closer inwards from the bottom left will overlap the layer.
- test_point = gfx::Point(25, 75);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // (11, 50) is inside the layer and within the clipped area.
- test_point = gfx::Point(11, 50);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(2468, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, 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::PointF anchor;
-
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- child->SetDrawsContent(true);
- intermediate_layer->AddChild(child.Pass());
- root->AddChild(intermediate_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
- ASSERT_EQ(456, root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(91, 91);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- // Hit testing for a point inside should return the child layer.
- test_point = gfx::Point(71, 71);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(89, 89);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForMultipleLayers) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- child1->SetDrawsContent(true);
-
- position = gfx::PointF(50.f, 10.f);
- bounds = gfx::Size(50, 50);
- SetLayerPropertiesForTesting(child2.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- 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];
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_TRUE(child1);
- ASSERT_TRUE(child2);
- ASSERT_TRUE(grand_child1);
- ASSERT_EQ(1u, render_surface_layer_list.size());
-
- RenderSurfaceImpl* root_render_surface = root->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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForMultipleLayerLists) {
- //
- // The geometry is set up similarly to the previous case, but
- // all layers are forced to be render surfaces now.
- //
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- child1->SetDrawsContent(true);
- child1->SetForceRenderSurface(true);
-
- position = gfx::PointF(50.f, 10.f);
- bounds = gfx::Size(50, 50);
- SetLayerPropertiesForTesting(child2.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- child2->SetDrawsContent(true);
- child2->SetForceRenderSurface(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,
- anchor,
- position,
- bounds,
- true,
- false);
- grand_child1->SetDrawsContent(true);
- grand_child1->SetForceRenderSurface(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];
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // 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, render_surface_layer_list.size());
- // The root surface has the root layer, and child1's and child2's render
- // surfaces.
- ASSERT_EQ(3u, root->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, render_surface_layer_list.at(0)->id()); // root layer
- ASSERT_EQ(2, render_surface_layer_list[1]->id()); // child1
- ASSERT_EQ(4, render_surface_layer_list.at(2)->id()); // grand_child1
- ASSERT_EQ(3, render_surface_layer_list[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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- 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 = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest, HitTestingForEmptyLayers) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
-
- // Layer 1 - root
- scoped_ptr<LayerImpl> root =
- LayerImpl::Create(host_impl.active_tree(), 1);
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- {
- // Layer 2 - empty: drawsContent=false
- gfx::PointF position(10.f, 10.f);
- gfx::Size bounds(30, 30);
- scoped_ptr<LayerImpl> empty_layer =
- LayerImpl::Create(host_impl.active_tree(), 2);
- SetLayerPropertiesForTesting(empty_layer.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
-
- empty_layer->SetDrawsContent(false);
- root->AddChild(empty_layer.Pass());
- }
-
- {
- // Layer 3 - empty, but has touch handler
- gfx::PointF position(10.f, 60.f);
- gfx::Size bounds(30, 30);
- scoped_ptr<LayerImpl> test_layer =
- LayerImpl::Create(host_impl.active_tree(), 3);
- SetLayerPropertiesForTesting(test_layer.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
-
- test_layer->SetDrawsContent(false);
- Region touch_handler_region(gfx::Rect(10, 10, 10, 10));
- test_layer->SetTouchEventHandlerRegion(touch_handler_region);
- root->AddChild(test_layer.Pass());
- }
-
- {
- // Layer 4 - empty, but has mousewheel handler
- gfx::PointF position(60.f, 60.f);
- gfx::Size bounds(30, 30);
- scoped_ptr<LayerImpl> test_layer =
- LayerImpl::Create(host_impl.active_tree(), 4);
- SetLayerPropertiesForTesting(test_layer.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
-
- test_layer->SetDrawsContent(false);
- test_layer->SetHaveWheelEventHandlers(true);
- root->AddChild(test_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Verify that the root layer and empty layers with touch/wheel handlers
- // (but not the empty layer without a touch handler) are in the RSSL.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- EXPECT_EQ(1, render_surface_layer_list[0]->id());
- ASSERT_EQ(3u, root->render_surface()->layer_list().size());
- EXPECT_EQ(1, root->render_surface()->layer_list().at(0)->id());
- EXPECT_EQ(3, root->render_surface()->layer_list().at(1)->id());
- EXPECT_EQ(4, root->render_surface()->layer_list().at(2)->id());
-
- // Hit testing for a point inside the empty no-handlers layer should return
- // the root layer.
- gfx::Point test_point = gfx::Point(15, 15);
- LayerImpl* result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(1, result_layer->id());
-
- // Hit testing for a point inside the touch handler layer should return it.
- test_point = gfx::Point(15, 75);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(3, result_layer->id());
-
- // Hit testing for a point inside the mousewheel layer should return it.
- test_point = gfx::Point(75, 75);
- result_layer = LayerTreeHostCommon::FindLayerThatIsHitByPoint(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(4, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- HitCheckingTouchHandlerRegionsForEmptyLayerList) {
- // Hit checking on an empty render_surface_layer_list should return a null
- // pointer.
- LayerImplList render_surface_layer_list;
-
- gfx::Point test_point(0, 0);
- LayerImpl* result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 20);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeHostCommonTest, HitCheckingTouchHandlerRegionsForSingleLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(59, 59);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- HitCheckingTouchHandlerRegionsForUninvertibleTransform) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- gfx::PointF position;
- gfx::Size bounds(100, 100);
- SetLayerPropertiesForTesting(root.get(),
- uninvertible_transform,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
- root->SetTouchEventHandlerRegion(touch_handler_region);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
- ASSERT_FALSE(root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 10);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(10, 30);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(50, 50);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(67, 48);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(99, 99);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(-1, -1);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-}
-
-TEST_F(LayerTreeHostCommonTest,
- HitCheckingTouchHandlerRegionsForSinglePositionedLayer) {
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- 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::PointF anchor;
- // 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,
- anchor,
- position,
- bounds,
- true,
- false);
- root->SetDrawsContent(true);
- root->SetTouchEventHandlerRegion(touch_handler_region);
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(99, 99);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- 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.
- //
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
-
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // 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 = root->children()[0];
- EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 100), test_layer->visible_content_rect());
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(34, 34);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(65, 65);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(74, 74);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-
- test_point = gfx::Point(64, 64);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- 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.
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
-
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
- // Set the bounds of the root layer big enough to fit the child when scaled.
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
-
- test_layer->SetDrawsContent(true);
- test_layer->SetTouchEventHandlerRegion(touch_handler_region);
- root->AddChild(test_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- 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));
-
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), scaled_bounds_for_root, &render_surface_layer_list);
- inputs.device_scale_factor = device_scale_factor;
- inputs.page_scale_factor = page_scale_factor;
- inputs.page_scale_application_layer = root.get();
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // 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 = root->children()[0];
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
-
- // Check whether the child layer fits into the root after scaled.
- EXPECT_RECT_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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(34, 34);
- test_point =
- gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(65, 65);
- test_point =
- gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(74, 74);
- test_point =
- gfx::ScalePoint(test_point, device_scale_factor * page_scale_factor);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(12345, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- 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::PointF anchor;
-
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- child->SetDrawsContent(true);
- child->SetTouchEventHandlerRegion(touch_handler_region);
- clipping_layer->AddChild(child.Pass());
- root->AddChild(clipping_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(1u, root->render_surface()->layer_list().size());
- ASSERT_EQ(456, root->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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-
- test_point = gfx::Point(74, 74);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-
- test_point = gfx::Point(34, 34);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(456, result_layer->id());
-}
-
-TEST_F(LayerTreeHostCommonTest,
- HitCheckingTouchHandlerOverlappingRegions) {
- gfx::Transform identity_matrix;
- gfx::PointF anchor;
-
- FakeImplProxy proxy;
- TestSharedBitmapManager shared_bitmap_manager;
- FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
- scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl.active_tree(), 1);
- SetLayerPropertiesForTesting(root.get(),
- identity_matrix,
- anchor,
- gfx::PointF(),
- gfx::Size(100, 100),
- true,
- false);
- {
- 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,
- anchor,
- position,
- bounds,
- true,
- 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,
- anchor,
- position,
- bounds,
- true,
- false);
- notouch_layer->SetDrawsContent(true);
- root->AddChild(notouch_layer.Pass());
- }
-
- LayerImplList render_surface_layer_list;
- LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
- root.get(), root->bounds(), &render_surface_layer_list);
- inputs.can_adjust_raster_scales = true;
- LayerTreeHostCommon::CalculateDrawProperties(&inputs);
-
- // Sanity check the scenario we just created.
- ASSERT_EQ(1u, render_surface_layer_list.size());
- ASSERT_EQ(2u, root->render_surface()->layer_list().size());
- ASSERT_EQ(123, root->render_surface()->layer_list().at(0)->id());
- ASSERT_EQ(1234, root->render_surface()->layer_list().at(1)->id());
-
- gfx::Point test_point(35, 35);
- LayerImpl* result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
-
- // 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
-
- // 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 =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- ASSERT_TRUE(result_layer);
- EXPECT_EQ(123, result_layer->id());
-
- test_point = gfx::Point(35, 65);
- result_layer =
- LayerTreeHostCommon::FindLayerThatIsHitByPointInTouchHandlerRegion(
- test_point, render_surface_layer_list);
- EXPECT_FALSE(result_layer);
-}
-
class NoScaleContentLayer : public ContentLayer {
public:
static scoped_refptr<NoScaleContentLayer> Create(ContentLayerClient* client) {
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