| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/trees/tree_synchronizer.h" |
| |
| #include <algorithm> |
| #include <set> |
| #include <vector> |
| |
| #include "cc/animation/layer_animation_controller.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/test/animation_test_common.h" |
| #include "cc/test/fake_impl_proxy.h" |
| #include "cc/test/fake_layer_tree_host.h" |
| #include "cc/trees/proxy.h" |
| #include "cc/trees/single_thread_proxy.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| class MockLayerImpl : public LayerImpl { |
| public: |
| static scoped_ptr<MockLayerImpl> Create(LayerTreeImpl* tree_impl, |
| int layer_id) { |
| return make_scoped_ptr(new MockLayerImpl(tree_impl, layer_id)); |
| } |
| virtual ~MockLayerImpl() { |
| if (layer_impl_destruction_list_) |
| layer_impl_destruction_list_->push_back(id()); |
| } |
| |
| void SetLayerImplDestructionList(std::vector<int>* list) { |
| layer_impl_destruction_list_ = list; |
| } |
| |
| private: |
| MockLayerImpl(LayerTreeImpl* tree_impl, int layer_id) |
| : LayerImpl(tree_impl, layer_id), |
| layer_impl_destruction_list_(NULL) {} |
| |
| std::vector<int>* layer_impl_destruction_list_; |
| }; |
| |
| class MockLayer : public Layer { |
| public: |
| static scoped_refptr<MockLayer> Create( |
| std::vector<int>* layer_impl_destruction_list) { |
| return make_scoped_refptr(new MockLayer(layer_impl_destruction_list)); |
| } |
| |
| virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
| OVERRIDE { |
| return MockLayerImpl::Create(tree_impl, layer_id_).PassAs<LayerImpl>(); |
| } |
| |
| virtual void PushPropertiesTo(LayerImpl* layer_impl) OVERRIDE { |
| Layer::PushPropertiesTo(layer_impl); |
| |
| MockLayerImpl* mock_layer_impl = static_cast<MockLayerImpl*>(layer_impl); |
| mock_layer_impl->SetLayerImplDestructionList(layer_impl_destruction_list_); |
| } |
| |
| private: |
| explicit MockLayer(std::vector<int>* layer_impl_destruction_list) |
| : Layer(), layer_impl_destruction_list_(layer_impl_destruction_list) {} |
| virtual ~MockLayer() {} |
| |
| std::vector<int>* layer_impl_destruction_list_; |
| }; |
| |
| class FakeLayerAnimationController : public LayerAnimationController { |
| public: |
| static scoped_refptr<LayerAnimationController> Create() { |
| return static_cast<LayerAnimationController*>( |
| new FakeLayerAnimationController); |
| } |
| |
| bool SynchronizedAnimations() const { return synchronized_animations_; } |
| |
| private: |
| FakeLayerAnimationController() |
| : LayerAnimationController(1), |
| synchronized_animations_(false) {} |
| |
| virtual ~FakeLayerAnimationController() {} |
| |
| virtual void PushAnimationUpdatesTo(LayerAnimationController* controller_impl) |
| OVERRIDE { |
| LayerAnimationController::PushAnimationUpdatesTo(controller_impl); |
| synchronized_animations_ = true; |
| } |
| |
| bool synchronized_animations_; |
| }; |
| |
| void ExpectTreesAreIdentical(Layer* layer, |
| LayerImpl* layer_impl, |
| LayerTreeImpl* tree_impl) { |
| ASSERT_TRUE(layer); |
| ASSERT_TRUE(layer_impl); |
| |
| EXPECT_EQ(layer->id(), layer_impl->id()); |
| EXPECT_EQ(layer_impl->layer_tree_impl(), tree_impl); |
| |
| EXPECT_EQ(layer->non_fast_scrollable_region(), |
| layer_impl->non_fast_scrollable_region()); |
| |
| ASSERT_EQ(!!layer->mask_layer(), !!layer_impl->mask_layer()); |
| if (layer->mask_layer()) { |
| ExpectTreesAreIdentical( |
| layer->mask_layer(), layer_impl->mask_layer(), tree_impl); |
| } |
| |
| ASSERT_EQ(!!layer->replica_layer(), !!layer_impl->replica_layer()); |
| if (layer->replica_layer()) { |
| ExpectTreesAreIdentical( |
| layer->replica_layer(), layer_impl->replica_layer(), tree_impl); |
| } |
| |
| const LayerList& layer_children = layer->children(); |
| const OwnedLayerImplList& layer_impl_children = layer_impl->children(); |
| |
| ASSERT_EQ(layer_children.size(), layer_impl_children.size()); |
| |
| const std::set<Layer*>* layer_scroll_children = layer->scroll_children(); |
| const std::set<LayerImpl*>* layer_impl_scroll_children = |
| layer_impl->scroll_children(); |
| |
| ASSERT_EQ(!!layer_scroll_children, !!layer_impl_scroll_children); |
| |
| if (layer_scroll_children) { |
| ASSERT_EQ( |
| layer_scroll_children->size(), |
| layer_impl_scroll_children->size()); |
| } |
| |
| const Layer* layer_scroll_parent = layer->scroll_parent(); |
| const LayerImpl* layer_impl_scroll_parent = layer_impl->scroll_parent(); |
| |
| ASSERT_EQ(!!layer_scroll_parent, !!layer_impl_scroll_parent); |
| |
| if (layer_scroll_parent) { |
| ASSERT_EQ(layer_scroll_parent->id(), layer_impl_scroll_parent->id()); |
| ASSERT_TRUE(layer_scroll_parent->scroll_children()->find(layer) != |
| layer_scroll_parent->scroll_children()->end()); |
| ASSERT_TRUE(layer_impl_scroll_parent->scroll_children()->find(layer_impl) != |
| layer_impl_scroll_parent->scroll_children()->end()); |
| } |
| |
| const std::set<Layer*>* layer_clip_children = layer->clip_children(); |
| const std::set<LayerImpl*>* layer_impl_clip_children = |
| layer_impl->clip_children(); |
| |
| ASSERT_EQ(!!layer_clip_children, !!layer_impl_clip_children); |
| |
| if (layer_clip_children) |
| ASSERT_EQ(layer_clip_children->size(), layer_impl_clip_children->size()); |
| |
| const Layer* layer_clip_parent = layer->clip_parent(); |
| const LayerImpl* layer_impl_clip_parent = layer_impl->clip_parent(); |
| |
| ASSERT_EQ(!!layer_clip_parent, !!layer_impl_clip_parent); |
| |
| if (layer_clip_parent) { |
| const std::set<LayerImpl*>* clip_children_impl = |
| layer_impl_clip_parent->clip_children(); |
| const std::set<Layer*>* clip_children = |
| layer_clip_parent->clip_children(); |
| ASSERT_EQ(layer_clip_parent->id(), layer_impl_clip_parent->id()); |
| ASSERT_TRUE(clip_children->find(layer) != clip_children->end()); |
| ASSERT_TRUE(clip_children_impl->find(layer_impl) != |
| clip_children_impl->end()); |
| } |
| |
| for (size_t i = 0; i < layer_children.size(); ++i) { |
| ExpectTreesAreIdentical( |
| layer_children[i].get(), layer_impl_children[i], tree_impl); |
| } |
| } |
| |
| class TreeSynchronizerTest : public testing::Test { |
| public: |
| TreeSynchronizerTest() : host_(FakeLayerTreeHost::Create()) {} |
| |
| protected: |
| scoped_ptr<FakeLayerTreeHost> host_; |
| }; |
| |
| // Attempts to synchronizes a null tree. This should not crash, and should |
| // return a null tree. |
| TEST_F(TreeSynchronizerTest, SyncNullTree) { |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(static_cast<Layer*>(NULL), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| |
| EXPECT_TRUE(!layer_impl_tree_root.get()); |
| } |
| |
| // Constructs a very simple tree and synchronizes it without trying to reuse any |
| // preexisting layers. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeFromEmpty) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| } |
| |
| // Constructs a very simple tree and synchronizes it attempting to reuse some |
| // layers |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeReusingLayers) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| // Add a new layer to the Layer side |
| layer_tree_root->children()[0]-> |
| AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| // Remove one. |
| layer_tree_root->children()[1]->RemoveFromParent(); |
| int second_layer_impl_id = layer_impl_tree_root->children()[1]->id(); |
| |
| // Synchronize again. After the sync the trees should be equivalent and we |
| // should have created and destroyed one LayerImpl. |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| ASSERT_EQ(1u, layer_impl_destruction_list.size()); |
| EXPECT_EQ(second_layer_impl_id, layer_impl_destruction_list[0]); |
| } |
| |
| // Constructs a very simple tree and checks that a stacking-order change is |
| // tracked properly. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| // Set up the tree and sync once. child2 needs to be synced here, too, even |
| // though we remove it to set up the intended scenario. |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| scoped_refptr<Layer> child2 = MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| layer_tree_root->AddChild(child2); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| layer_impl_tree_root->ResetAllChangeTrackingForSubtree(); |
| |
| // re-insert the layer and sync again. |
| child2->RemoveFromParent(); |
| layer_tree_root->AddChild(child2); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| // Check that the impl thread properly tracked the change. |
| EXPECT_FALSE(layer_impl_tree_root->LayerPropertyChanged()); |
| EXPECT_FALSE(layer_impl_tree_root->children()[0]->LayerPropertyChanged()); |
| EXPECT_TRUE(layer_impl_tree_root->children()[1]->LayerPropertyChanged()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndProperties) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| // Pick some random properties to set. The values are not important, we're |
| // just testing that at least some properties are making it through. |
| gfx::PointF root_position = gfx::PointF(2.3f, 7.4f); |
| layer_tree_root->SetPosition(root_position); |
| |
| float first_child_opacity = 0.25f; |
| layer_tree_root->children()[0]->SetOpacity(first_child_opacity); |
| |
| gfx::Size second_child_bounds = gfx::Size(25, 53); |
| layer_tree_root->children()[1]->SetBounds(second_child_bounds); |
| layer_tree_root->children()[1]->SavePaintProperties(); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| // Check that the property values we set on the Layer tree are reflected in |
| // the LayerImpl tree. |
| gfx::PointF root_layer_impl_position = layer_impl_tree_root->position(); |
| EXPECT_EQ(root_position.x(), root_layer_impl_position.x()); |
| EXPECT_EQ(root_position.y(), root_layer_impl_position.y()); |
| |
| EXPECT_EQ(first_child_opacity, |
| layer_impl_tree_root->children()[0]->opacity()); |
| |
| gfx::Size second_layer_impl_child_bounds = |
| layer_impl_tree_root->children()[1]->bounds(); |
| EXPECT_EQ(second_child_bounds.width(), |
| second_layer_impl_child_bounds.width()); |
| EXPECT_EQ(second_child_bounds.height(), |
| second_layer_impl_child_bounds.height()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, ReuseLayerImplsAfterStructuralChange) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| // Set up a tree with this sort of structure: |
| // root --- A --- B ---+--- C |
| // | |
| // +--- D |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_a = layer_tree_root->children()[0].get(); |
| layer_a->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_b = layer_a->children()[0].get(); |
| layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_c = layer_b->children()[0].get(); |
| layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| scoped_refptr<Layer> layer_d = layer_b->children()[1].get(); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| // Now restructure the tree to look like this: |
| // root --- D ---+--- A |
| // | |
| // +--- C --- B |
| layer_tree_root->RemoveAllChildren(); |
| layer_d->RemoveAllChildren(); |
| layer_tree_root->AddChild(layer_d); |
| layer_a->RemoveAllChildren(); |
| layer_d->AddChild(layer_a); |
| layer_c->RemoveAllChildren(); |
| layer_d->AddChild(layer_c); |
| layer_b->RemoveAllChildren(); |
| layer_c->AddChild(layer_b); |
| |
| // After another synchronize our trees should match and we should not have |
| // destroyed any LayerImpls |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| EXPECT_EQ(0u, layer_impl_destruction_list.size()); |
| } |
| |
| // Constructs a very simple tree, synchronizes it, then synchronizes to a |
| // totally new tree. All layers from the old tree should be deleted. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeThenDestroy) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| scoped_refptr<Layer> old_layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| old_layer_tree_root->AddChild( |
| MockLayer::Create(&layer_impl_destruction_list)); |
| old_layer_tree_root->AddChild( |
| MockLayer::Create(&layer_impl_destruction_list)); |
| |
| host_->SetRootLayer(old_layer_tree_root); |
| |
| int old_tree_root_layer_id = old_layer_tree_root->id(); |
| int old_tree_first_child_layer_id = old_layer_tree_root->children()[0]->id(); |
| int old_tree_second_child_layer_id = old_layer_tree_root->children()[1]->id(); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(old_layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(old_layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushProperties(old_layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| |
| // Remove all children on the Layer side. |
| old_layer_tree_root->RemoveAllChildren(); |
| |
| // Synchronize again. After the sync all LayerImpls from the old tree should |
| // be deleted. |
| scoped_refptr<Layer> new_layer_tree_root = Layer::Create(); |
| host_->SetRootLayer(new_layer_tree_root); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(new_layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(new_layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| ASSERT_EQ(3u, layer_impl_destruction_list.size()); |
| |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_root_layer_id) != |
| layer_impl_destruction_list.end()); |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_first_child_layer_id) != |
| layer_impl_destruction_list.end()); |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_second_child_layer_id) != |
| layer_impl_destruction_list.end()); |
| } |
| |
| // Constructs+syncs a tree with mask, replica, and replica mask layers. |
| TEST_F(TreeSynchronizerTest, SyncMaskReplicaAndReplicaMaskLayers) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| // First child gets a mask layer. |
| scoped_refptr<Layer> mask_layer = Layer::Create(); |
| layer_tree_root->children()[0]->SetMaskLayer(mask_layer.get()); |
| |
| // Second child gets a replica layer. |
| scoped_refptr<Layer> replica_layer = Layer::Create(); |
| layer_tree_root->children()[1]->SetReplicaLayer(replica_layer.get()); |
| |
| // Third child gets a replica layer with a mask layer. |
| scoped_refptr<Layer> replica_layer_with_mask = Layer::Create(); |
| scoped_refptr<Layer> replica_mask_layer = Layer::Create(); |
| replica_layer_with_mask->SetMaskLayer(replica_mask_layer.get()); |
| layer_tree_root->children()[2]-> |
| SetReplicaLayer(replica_layer_with_mask.get()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // Remove the mask layer. |
| layer_tree_root->children()[0]->SetMaskLayer(NULL); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // Remove the replica layer. |
| layer_tree_root->children()[1]->SetReplicaLayer(NULL); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| |
| // Remove the replica mask. |
| replica_layer_with_mask->SetMaskLayer(NULL); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_->active_tree()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SynchronizeAnimations) { |
| LayerTreeSettings settings; |
| FakeProxy proxy; |
| DebugScopedSetImplThread impl(&proxy); |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create( |
| settings, NULL, &proxy, &stats_instrumentation, NULL, 0); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| host_->SetRootLayer(layer_tree_root); |
| |
| layer_tree_root->SetLayerAnimationControllerForTest( |
| FakeLayerAnimationController::Create()); |
| |
| EXPECT_FALSE(static_cast<FakeLayerAnimationController*>( |
| layer_tree_root->layer_animation_controller())->SynchronizedAnimations()); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_->active_tree()); |
| |
| EXPECT_TRUE(static_cast<FakeLayerAnimationController*>( |
| layer_tree_root->layer_animation_controller())->SynchronizedAnimations()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SynchronizeScrollParent) { |
| LayerTreeSettings settings; |
| FakeProxy proxy; |
| DebugScopedSetImplThread impl(&proxy); |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create( |
| settings, NULL, &proxy, &stats_instrumentation, NULL, 0); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| scoped_refptr<Layer> scroll_parent = Layer::Create(); |
| layer_tree_root->AddChild(scroll_parent); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| // First child is the second and third child's scroll parent. |
| layer_tree_root->children()[1]->SetScrollParent(scroll_parent); |
| layer_tree_root->children()[2]->SetScrollParent(scroll_parent); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Remove the first scroll child. |
| layer_tree_root->children()[1]->RemoveFromParent(); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Add an additional scroll layer. |
| scoped_refptr<Layer> additional_scroll_child = Layer::Create(); |
| layer_tree_root->AddChild(additional_scroll_child); |
| additional_scroll_child->SetScrollParent(scroll_parent); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Remove the scroll parent. |
| scroll_parent->RemoveFromParent(); |
| scroll_parent = NULL; |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // The scroll children should have been unhooked. |
| EXPECT_EQ(2u, layer_tree_root->children().size()); |
| EXPECT_FALSE(layer_tree_root->children()[0]->scroll_parent()); |
| EXPECT_FALSE(layer_tree_root->children()[1]->scroll_parent()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SynchronizeClipParent) { |
| LayerTreeSettings settings; |
| FakeProxy proxy; |
| DebugScopedSetImplThread impl(&proxy); |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create( |
| settings, NULL, &proxy, &stats_instrumentation, NULL, 0); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| scoped_refptr<Layer> clip_parent = Layer::Create(); |
| scoped_refptr<Layer> intervening = Layer::Create(); |
| scoped_refptr<Layer> clip_child1 = Layer::Create(); |
| scoped_refptr<Layer> clip_child2 = Layer::Create(); |
| layer_tree_root->AddChild(clip_parent); |
| clip_parent->AddChild(intervening); |
| intervening->AddChild(clip_child1); |
| intervening->AddChild(clip_child2); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| // First child is the second and third child's scroll parent. |
| clip_child1->SetClipParent(clip_parent); |
| clip_child2->SetClipParent(clip_parent); |
| |
| scoped_ptr<LayerImpl> layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| scoped_ptr<LayerImpl>(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Remove the first clip child. |
| clip_child1->RemoveFromParent(); |
| clip_child1 = NULL; |
| |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Add an additional clip child. |
| scoped_refptr<Layer> additional_clip_child = Layer::Create(); |
| intervening->AddChild(additional_clip_child); |
| additional_clip_child->SetClipParent(clip_parent); |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // Remove the nearest clipping ancestor. |
| clip_parent->RemoveFromParent(); |
| clip_parent = NULL; |
| layer_impl_tree_root = |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| layer_impl_tree_root.Pass(), |
| host_impl->active_tree()); |
| TreeSynchronizer::PushProperties(layer_tree_root.get(), |
| layer_impl_tree_root.get()); |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| layer_impl_tree_root.get(), |
| host_impl->active_tree()); |
| |
| // The clip children should have been unhooked. |
| EXPECT_EQ(2u, intervening->children().size()); |
| EXPECT_FALSE(clip_child2->clip_parent()); |
| EXPECT_FALSE(additional_clip_child->clip_parent()); |
| } |
| |
| } // namespace |
| } // namespace cc |
