| // Copyright 2016 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 "platform/graphics/CompositorMutableState.h" |
| |
| #include <memory> |
| |
| #include "base/message_loop/message_loop.h" |
| #include "cc/test/fake_impl_task_runner_provider.h" |
| #include "cc/test/fake_layer_tree_frame_sink.h" |
| #include "cc/test/fake_layer_tree_host_impl.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 "cc/trees/layer_tree_impl.h" |
| #include "platform/graphics/CompositorElementId.h" |
| #include "platform/graphics/CompositorMutableProperties.h" |
| #include "platform/graphics/CompositorMutableStateProvider.h" |
| #include "platform/graphics/CompositorMutation.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| using cc::FakeImplTaskRunnerProvider; |
| using cc::FakeLayerTreeHostImpl; |
| using cc::FakeLayerTreeFrameSink; |
| using cc::LayerImpl; |
| using cc::LayerTreeSettings; |
| using cc::TestTaskGraphRunner; |
| using cc::TestSharedBitmapManager; |
| |
| class CompositorMutableStateTest : public testing::Test { |
| public: |
| CompositorMutableStateTest() |
| : layer_tree_frame_sink_(FakeLayerTreeFrameSink::Create3d()) { |
| LayerTreeSettings settings; |
| settings.layer_transforms_should_scale_layer_contents = true; |
| host_impl_.reset(new FakeLayerTreeHostImpl(settings, &task_runner_provider_, |
| &task_graph_runner_)); |
| host_impl_->SetVisible(true); |
| EXPECT_TRUE(host_impl_->InitializeRenderer(layer_tree_frame_sink_.get())); |
| } |
| |
| void SetLayerPropertiesForTesting(LayerImpl* layer) { |
| layer->test_properties()->transform = gfx::Transform(); |
| layer->SetPosition(gfx::PointF()); |
| layer->SetBounds(gfx::Size(100, 100)); |
| layer->SetDrawsContent(true); |
| } |
| |
| FakeLayerTreeHostImpl& HostImpl() { return *host_impl_; } |
| |
| LayerImpl* RootLayer() { |
| return host_impl_->active_tree()->root_layer_for_testing(); |
| } |
| |
| private: |
| // The cc testing machinery has fairly deep dependency on having a main |
| // message loop (one example is the task runner provider). We construct one |
| // here so that it's installed in TLA and can be found by other cc classes. |
| base::MessageLoop message_loop_; |
| TestTaskGraphRunner task_graph_runner_; |
| FakeImplTaskRunnerProvider task_runner_provider_; |
| std::unique_ptr<FakeLayerTreeFrameSink> layer_tree_frame_sink_; |
| std::unique_ptr<FakeLayerTreeHostImpl> host_impl_; |
| }; |
| |
| TEST_F(CompositorMutableStateTest, NoMutableState) { |
| // In this test, there are no layers with either an element id or mutable |
| // properties. We should not be able to get any mutable state. |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(HostImpl().active_tree(), 42); |
| SetLayerPropertiesForTesting(root.get()); |
| |
| HostImpl().SetViewportSize(root->bounds()); |
| HostImpl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| HostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| CompositorMutations mutations; |
| CompositorMutableStateProvider provider(HostImpl().active_tree(), &mutations); |
| std::unique_ptr<CompositorMutableState> state( |
| provider.GetMutableStateFor(42)); |
| EXPECT_FALSE(state); |
| } |
| |
| TEST_F(CompositorMutableStateTest, MutableStateMutableProperties) { |
| // In this test, there is a layer with an element id and mutable properties. |
| // In this case, we should get a valid mutable state for this element id that |
| // has a real effect on the corresponding layer. |
| std::unique_ptr<LayerImpl> root = |
| LayerImpl::Create(HostImpl().active_tree(), 42); |
| |
| std::unique_ptr<LayerImpl> scoped_layer = |
| LayerImpl::Create(HostImpl().active_tree(), 11); |
| LayerImpl* layer = scoped_layer.get(); |
| layer->SetScrollClipLayer(root->id()); |
| |
| root->test_properties()->AddChild(std::move(scoped_layer)); |
| |
| SetLayerPropertiesForTesting(layer); |
| |
| uint64_t primary_id = 12; |
| root->SetElementId(CompositorElementIdFromDOMNodeId( |
| primary_id, CompositorElementIdNamespace::kPrimaryCompositorProxy)); |
| layer->SetElementId(CompositorElementIdFromDOMNodeId( |
| primary_id, CompositorElementIdNamespace::kScrollCompositorProxy)); |
| |
| root->SetMutableProperties(CompositorMutableProperty::kOpacity | |
| CompositorMutableProperty::kTransform); |
| layer->SetMutableProperties(CompositorMutableProperty::kScrollLeft | |
| CompositorMutableProperty::kScrollTop); |
| |
| HostImpl().SetViewportSize(layer->bounds()); |
| HostImpl().active_tree()->SetRootLayerForTesting(std::move(root)); |
| HostImpl().UpdateNumChildrenAndDrawPropertiesForActiveTree(); |
| |
| CompositorMutations mutations; |
| CompositorMutableStateProvider provider(HostImpl().active_tree(), &mutations); |
| |
| std::unique_ptr<CompositorMutableState> state( |
| provider.GetMutableStateFor(primary_id)); |
| EXPECT_TRUE(state.get()); |
| |
| EXPECT_EQ(1.0, RootLayer()->Opacity()); |
| EXPECT_EQ(gfx::Transform().ToString(), RootLayer()->Transform().ToString()); |
| EXPECT_EQ(0.0, layer->CurrentScrollOffset().x()); |
| EXPECT_EQ(0.0, layer->CurrentScrollOffset().y()); |
| |
| gfx::Transform zero(0, 0, 0, 0, 0, 0); |
| state->SetOpacity(0.5); |
| state->SetTransform(zero.matrix()); |
| state->SetScrollLeft(1.0); |
| state->SetScrollTop(1.0); |
| |
| EXPECT_EQ(0.5, RootLayer()->Opacity()); |
| EXPECT_EQ(zero.ToString(), RootLayer()->Transform().ToString()); |
| EXPECT_EQ(1.0, layer->CurrentScrollOffset().x()); |
| EXPECT_EQ(1.0, layer->CurrentScrollOffset().y()); |
| |
| // The corresponding mutation should reflect the changed values. |
| EXPECT_EQ(1ul, mutations.map.size()); |
| |
| const CompositorMutation& mutation = *mutations.map.find(primary_id)->value; |
| EXPECT_TRUE(mutation.IsOpacityMutated()); |
| EXPECT_TRUE(mutation.IsTransformMutated()); |
| EXPECT_TRUE(mutation.IsScrollLeftMutated()); |
| EXPECT_TRUE(mutation.IsScrollTopMutated()); |
| |
| EXPECT_EQ(0.5, mutation.Opacity()); |
| EXPECT_EQ(zero.ToString(), gfx::Transform(mutation.Transform()).ToString()); |
| EXPECT_EQ(1.0, mutation.ScrollLeft()); |
| EXPECT_EQ(1.0, mutation.ScrollTop()); |
| } |
| |
| } // namespace blink |