CC Animation: Use ElementId to attach CC animation players.

cc/layers/layer_utils_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/layer_utils.h"
 
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/transform_operations.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 36 matching lines @@
   LayerImpl* parent1() { return parent1_; }
   LayerImpl* child1() { return child1_; }
   LayerImpl* parent2() { return parent2_; }
   LayerImpl* child2() { return child2_; }
   LayerImpl* grand_child() { return grand_child_; }
   LayerImpl* great_grand_child() { return great_grand_child_; }
 
   scoped_refptr<AnimationTimeline> timeline() { return timeline_; }
   FakeLayerTreeHostImpl& host_impl() { return host_impl_; }
 
+  std::unique_ptr<LayerImpl> CreateTestLayerImpl(LayerTreeImpl* tree_impl,
+                                                 int id) {
+    auto layer = LayerImpl::Create(tree_impl, id);
+    layer->SetElementId(NextElementId());
+    return layer;
+  }
+
  private:
-  static LayerImpl* CreateTwoForkTree(LayerTreeHostImpl* host_impl) {
+  LayerImpl* CreateTwoForkTree(LayerTreeHostImpl* host_impl) {
     std::unique_ptr<LayerImpl> root =
-        LayerImpl::Create(host_impl->active_tree(), 1);
+        CreateTestLayerImpl(host_impl->active_tree(), 1);
     LayerImpl* root_ptr = root.get();
-    root->AddChild(LayerImpl::Create(host_impl->active_tree(), 2));
+    root->AddChild(CreateTestLayerImpl(host_impl->active_tree(), 2));
     root->children()[0]->AddChild(
-        LayerImpl::Create(host_impl->active_tree(), 3));
-    root->AddChild(LayerImpl::Create(host_impl->active_tree(), 4));
+        CreateTestLayerImpl(host_impl->active_tree(), 3));
+    root->AddChild(CreateTestLayerImpl(host_impl->active_tree(), 4));
     root->children()[1]->AddChild(
-        LayerImpl::Create(host_impl->active_tree(), 5));
+        CreateTestLayerImpl(host_impl->active_tree(), 5));
     root->children()[1]->children()[0]->AddChild(
-        LayerImpl::Create(host_impl->active_tree(), 6));
+        CreateTestLayerImpl(host_impl->active_tree(), 6));
     root->children()[1]->children()[0]->children()[0]->AddChild(
-        LayerImpl::Create(host_impl->active_tree(), 7));
+        CreateTestLayerImpl(host_impl->active_tree(), 7));
     host_impl->active_tree()->SetRootLayer(std::move(root));
     return root_ptr;
   }
 
   FakeImplTaskRunnerProvider task_runner_provider_;
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
   FakeLayerTreeHostImpl host_impl_;
   LayerImpl* root_;
   LayerImpl* parent1_;
   LayerImpl* parent2_;
   LayerImpl* child1_;
   LayerImpl* child2_;
   LayerImpl* grand_child_;
   LayerImpl* great_grand_child_;
   scoped_refptr<AnimationTimeline> timeline_;
 };
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, ScaleRoot) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendScale(1.f, 1.f, 1.f);
   TransformOperations end;
   end.AppendScale(2.f, 2.f, 1.f);
-  AddAnimatedTransformToLayerWithPlayer(root()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(root()->element_id(), timeline(),
+                                          duration, start, end);
 
   root()->SetPosition(gfx::PointF());
   parent1()->SetPosition(gfx::PointF());
   parent1()->SetBounds(gfx::Size(350, 200));
 
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(gfx::Size(100, 200));
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*child1(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(150.f, 50.f, 0.f, 350.f, 450.f, 0.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, TranslateParentLayer) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendTranslate(0.f, 0.f, 0.f);
   TransformOperations end;
   end.AppendTranslate(50.f, 50.f, 0.f);
-  AddAnimatedTransformToLayerWithPlayer(parent1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(parent1()->element_id(), timeline(),
+                                          duration, start, end);
 
   parent1()->SetBounds(gfx::Size(350, 200));
 
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(gfx::Size(100, 200));
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*child1(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(150.f, 50.f, 0.f, 150.f, 250.f, 0.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, TranslateChildLayer) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendTranslate(0.f, 0.f, 0.f);
   TransformOperations end;
   end.AppendTranslate(50.f, 50.f, 0.f);
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, end);
   parent1()->SetBounds(gfx::Size(350, 200));
 
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(gfx::Size(100, 200));
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*child1(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(150.f, 50.f, 0.f, 150.f, 250.f, 0.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, TranslateBothLayers) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendTranslate(0.f, 0.f, 0.f);
   TransformOperations child_end;
   child_end.AppendTranslate(50.f, 0.f, 0.f);
-  AddAnimatedTransformToLayerWithPlayer(parent1()->id(), timeline(), duration,
-                                        start, child_end);
+  AddAnimatedTransformToElementWithPlayer(parent1()->element_id(), timeline(),
+                                          duration, start, child_end);
 
   TransformOperations grand_child_end;
   grand_child_end.AppendTranslate(0.f, 50.f, 0.f);
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, grand_child_end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, grand_child_end);
 
   parent1()->SetBounds(gfx::Size(350, 200));
 
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(gfx::Size(100, 200));
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*child1(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(150.f, 50.f, 0.f, 150.f, 250.f, 0.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, RotateXNoPerspective) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(1.f, 0.f, 0.f, 0.f);
   TransformOperations end;
   end.AppendRotate(1.f, 0.f, 0.f, 90.f);
 
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, end);
 
   parent1()->SetBounds(gfx::Size(350, 200));
 
   gfx::Size bounds(100, 100);
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(bounds);
   child1()->test_properties()->transform_origin =
       gfx::Point3F(bounds.width() * 0.5f, bounds.height() * 0.5f, 0);
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*child1(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(150.f, 50.f, -50.f, 100.f, 100.f, 100.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, RotateXWithPerspective) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(1.f, 0.f, 0.f, 0.f);
   TransformOperations end;
   end.AppendRotate(1.f, 0.f, 0.f, 90.f);
 
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, end);
 
   // Make the anchor point not the default 0.5 value and line up with the
   // child center to make the math easier.
   parent1()->test_properties()->transform_origin =
       gfx::Point3F(0.375f * 400.f, 0.375f * 400.f, 0.f);
   parent1()->SetBounds(gfx::Size(400, 400));
 
   gfx::Transform perspective;
   perspective.ApplyPerspectiveDepth(100.f);
   parent1()->SetTransform(perspective);
@@ skipping 19 matching lines @@
   // local transform when there is an animation applied to the layer / node.
   // The intended behavior is that the animation should overwrite the transform.
 
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(1.f, 0.f, 0.f, 0.f);
   TransformOperations end;
   end.AppendRotate(1.f, 0.f, 0.f, 90.f);
 
-  AddAnimatedTransformToLayerWithPlayer(parent1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(parent1()->element_id(), timeline(),
+                                          duration, start, end);
 
   // Make the anchor point not the default 0.5 value and line up
   // with the child center to make the math easier.
   parent1()->test_properties()->transform_origin =
       gfx::Point3F(0.375f * 400.f, 0.375f * 400.f, 0.f);
   parent1()->SetBounds(gfx::Size(400, 400));
 
   gfx::Transform perspective;
   perspective.ApplyPerspectiveDepth(100.f);
   parent1()->SetTransform(perspective);
@@ skipping 14 matching lines @@
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, RotateZ) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(0.f, 0.f, 1.f, 0.f);
   TransformOperations end;
   end.AppendRotate(0.f, 0.f, 1.f, 90.f);
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, end);
 
   parent1()->SetBounds(gfx::Size(350, 200));
 
   gfx::Size bounds(100, 100);
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(bounds);
   child1()->test_properties()->transform_origin =
       gfx::Point3F(bounds.width() * 0.5f, bounds.height() * 0.5f, 0);
 
@@ skipping 12 matching lines @@
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest, MismatchedTransforms) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendTranslate(5, 6, 7);
   TransformOperations end;
   end.AppendRotate(0.f, 0.f, 1.f, 90.f);
-  AddAnimatedTransformToLayerWithPlayer(child1()->id(), timeline(), duration,
-                                        start, end);
+  AddAnimatedTransformToElementWithPlayer(child1()->element_id(), timeline(),
+                                          duration, start, end);
 
   parent1()->SetBounds(gfx::Size(350, 200));
 
   gfx::Size bounds(100, 100);
   child1()->SetDrawsContent(true);
   child1()->SetPosition(gfx::PointF(150.f, 50.f));
   child1()->SetBounds(bounds);
 
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
@@ skipping 13 matching lines @@
   // This test is used to check if GetAnimationBounds correctly skips layers and
   // take layers which do not own a transform_node into consideration.
   // Under this topology, only root and grand_child own transform_nodes.
 
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendTranslate(0.f, 0.f, 0.f);
   TransformOperations great_grand_child_end;
   great_grand_child_end.AppendTranslate(50.f, 0.f, 0.f);
-  AddAnimatedTransformToLayerWithPlayer(grand_child()->id(), timeline(),
-                                        duration, start, great_grand_child_end);
+  AddAnimatedTransformToElementWithPlayer(grand_child()->element_id(),
+                                          timeline(), duration, start,
+                                          great_grand_child_end);
 
   gfx::Transform translate_2d_transform;
   translate_2d_transform.Translate(80.f, 60.f);
   root()->SetBounds(gfx::Size(350, 200));
   parent2()->SetPosition(gfx::PointF(40.f, 45.f));
   child2()->SetTransform(translate_2d_transform);
   great_grand_child()->SetDrawsContent(true);
   great_grand_child()->SetPosition(gfx::PointF(150.f, 50.f));
   great_grand_child()->SetBounds(gfx::Size(100, 200));
   host_impl().active_tree()->BuildPropertyTreesForTesting();
 
   gfx::BoxF box;
   bool success = LayerUtils::GetAnimationBounds(*great_grand_child(), &box);
   EXPECT_TRUE(success);
   gfx::BoxF expected(270.f, 155.f, 0.f, 150.f, 200.f, 0.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest,
        RotateZUnderAncestorsWithPositionOr2DTransform) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(0.f, 0.f, 1.f, 0.f);
   TransformOperations great_grand_child_end;
   great_grand_child_end.AppendRotate(0.f, 0.f, 1.f, 90.f);
-  AddAnimatedTransformToLayerWithPlayer(grand_child()->id(), timeline(),
-                                        duration, start, great_grand_child_end);
+  AddAnimatedTransformToElementWithPlayer(grand_child()->element_id(),
+                                          timeline(), duration, start,
+                                          great_grand_child_end);
 
   gfx::Transform translate_2d_transform;
   translate_2d_transform.Translate(80.f, 60.f);
   root()->SetBounds(gfx::Size(350, 200));
   parent2()->SetPosition(gfx::PointF(40.f, 45.f));
   child2()->SetTransform(translate_2d_transform);
 
   gfx::Size bounds(100, 100);
   grand_child()->SetPosition(gfx::PointF(150.f, 50.f));
   grand_child()->SetBounds(bounds);
@@ skipping 25 matching lines @@
   // +------grand_child (Perspective)
   // +--------great_grand_child (RotateX, DrawsContent)
   // Due to the RotateX animation, great_grand_child also owns a transform_node
 
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(1.f, 0.f, 0.f, 0.f);
   TransformOperations great_grand_child_end;
   great_grand_child_end.AppendRotate(1.f, 0.f, 0.f, 90.f);
-  AddAnimatedTransformToLayerWithPlayer(great_grand_child()->id(), timeline(),
-                                        duration, start, great_grand_child_end);
+  AddAnimatedTransformToElementWithPlayer(great_grand_child()->element_id(),
+                                          timeline(), duration, start,
+                                          great_grand_child_end);
 
   gfx::Transform translate_2d_transform;
   translate_2d_transform.Translate(80.f, 60.f);
 
   root()->SetBounds(gfx::Size(350, 200));
   parent2()->SetPosition(gfx::PointF(40.f, 45.f));
   child2()->SetTransform(translate_2d_transform);
 
   gfx::Transform perspective;
   perspective.ApplyPerspectiveDepth(100.f);
@@ skipping 59 matching lines @@
 }
 
 TEST_F(LayerUtilsGetAnimationBoundsTest,
        RotateXNoPerspectiveUnderAncestorsWithPositionOr2DTransform) {
   double duration = 1.0;
 
   TransformOperations start;
   start.AppendRotate(1.f, 0.f, 0.f, 0.f);
   TransformOperations rotate_x_end;
   rotate_x_end.AppendRotate(1.f, 0.f, 0.f, 90.f);
-  AddAnimatedTransformToLayerWithPlayer(great_grand_child()->id(), timeline(),
-                                        duration, start, rotate_x_end);
+  AddAnimatedTransformToElementWithPlayer(great_grand_child()->element_id(),
+                                          timeline(), duration, start,
+                                          rotate_x_end);
 
   gfx::Transform translate_2d_transform;
   translate_2d_transform.Translate(80.f, 60.f);
 
   root()->SetBounds(gfx::Size(350, 200));
   parent2()->SetPosition(gfx::PointF(40.f, 45.f));
   child2()->SetTransform(translate_2d_transform);
 
   gfx::Size bounds(100.f, 100.f);
   grand_child()->SetPosition(gfx::PointF(150.f, 50.f));
@@ skipping 15 matching lines @@
   // Same as RotateXWithPerspectiveUnderAncestorsWithPositionOr2DTransform test,
   // except for the perspective calculations.
 
   gfx::BoxF expected(295.f, 180.f, -25.f, 50.f, 50.f, 50.f);
   EXPECT_BOXF_EQ(expected, box);
 }
 
 }  // namespace
 
 }  // namespace cc