cc: Move Layer Id to Node Map to Individual Property Tree Private

cc/trees/layer_tree_host_common_unittest.cc

 // 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/layer_tree_host_common.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 10430 matching lines @@
   child->SetBounds(gfx::Size(20, 20));
   ExecuteCalculateDrawPropertiesAndSaveUpdateLayerList(root.get());
 
   // Changing the opacity from 1 to non-1 value should trigger rebuild of
   // property trees as a new effect node will be created.
   child->SetOpacity(0.5f);
   PropertyTrees* property_trees = host()->property_trees();
   EXPECT_TRUE(property_trees->needs_rebuild);
 
   ExecuteCalculateDrawPropertiesAndSaveUpdateLayerList(root.get());
-  EXPECT_NE(property_trees->layer_id_to_effect_node_index.find(child->id()),
-            property_trees->layer_id_to_effect_node_index.end());
+  EXPECT_NE(property_trees->effect_tree.FindNodeFromOwningLayerId(child->id()),
+            nullptr);
 
   // child already has an effect node. Changing its opacity shouldn't trigger
   // a property trees rebuild.
   child->SetOpacity(0.8f);
   property_trees = host()->property_trees();
   EXPECT_FALSE(property_trees->needs_rebuild);
 
   ExecuteCalculateDrawPropertiesAndSaveUpdateLayerList(root.get());
-  EXPECT_NE(property_trees->layer_id_to_effect_node_index.find(child->id()),
-            property_trees->layer_id_to_effect_node_index.end());
+  EXPECT_NE(property_trees->effect_tree.FindNodeFromOwningLayerId(child->id()),
+            nullptr);
 
   // Changing the opacity from non-1 value to 1 should trigger a rebuild of
   // property trees as the effect node may no longer be needed.
   child->SetOpacity(1.f);
   property_trees = host()->property_trees();
   EXPECT_TRUE(property_trees->needs_rebuild);
 
   ExecuteCalculateDrawPropertiesAndSaveUpdateLayerList(root.get());
-  EXPECT_EQ(property_trees->layer_id_to_effect_node_index.find(child->id()),
-            property_trees->layer_id_to_effect_node_index.end());
+  EXPECT_EQ(property_trees->effect_tree.FindNodeFromOwningLayerId(child->id()),
+            nullptr);
 }
 
 TEST_F(LayerTreeHostCommonTest, OpacityAnimationsTrackingTest) {
   scoped_refptr<Layer> root = Layer::Create();
   scoped_refptr<LayerWithForcedDrawsContent> animated =
       make_scoped_refptr(new LayerWithForcedDrawsContent());
   root->AddChild(animated);
   host()->SetRootLayer(root);
   host()->SetElementIdsForTesting();
 
@@ skipping 200 matching lines @@
   property_tree_root->transform_id = kRootPropertyTreeNodeId;
 
   // The node owned by root1
   ScrollNode scroll_root1;
   scroll_root1.id = 1;
   scroll_root1.owning_layer_id = root1->id();
   scroll_root1.user_scrollable_horizontal = true;
   scroll_root1.user_scrollable_vertical = true;
   scroll_root1.transform_id = root1->transform_tree_index();
   expected_scroll_tree.Insert(scroll_root1, 0);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               root1->id());
 
   // The node owned by parent2
   ScrollNode scroll_parent2;
   scroll_parent2.id = 2;
   scroll_parent2.owning_layer_id = parent2->id();
   scroll_parent2.scrollable = true;
   scroll_parent2.main_thread_scrolling_reasons =
       parent2->main_thread_scrolling_reasons();
   scroll_parent2.scroll_clip_layer_bounds = root1->bounds();
   scroll_parent2.bounds = parent2->bounds();
   scroll_parent2.max_scroll_offset_affected_by_page_scale = true;
   scroll_parent2.scrolls_inner_viewport = true;
   scroll_parent2.user_scrollable_horizontal = true;
   scroll_parent2.user_scrollable_vertical = true;
   scroll_parent2.transform_id = parent2->transform_tree_index();
   expected_scroll_tree.Insert(scroll_parent2, 1);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               parent2->id());
 
   // The node owned by child6
   ScrollNode scroll_child6;
   scroll_child6.id = 3;
   scroll_child6.owning_layer_id = child6->id();
   scroll_child6.main_thread_scrolling_reasons =
       child6->main_thread_scrolling_reasons();
   scroll_child6.should_flatten = true;
   scroll_child6.user_scrollable_horizontal = true;
   scroll_child6.user_scrollable_vertical = true;
   scroll_child6.transform_id = child6->transform_tree_index();
   expected_scroll_tree.Insert(scroll_child6, 2);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               child6->id());
 
   // The node owned by child7, child7 also owns a transform node
   ScrollNode scroll_child7;
   scroll_child7.id = 4;
   scroll_child7.owning_layer_id = child7->id();
   scroll_child7.scrollable = true;
   scroll_child7.scroll_clip_layer_bounds = parent3->bounds();
   scroll_child7.bounds = child7->bounds();
   scroll_child7.user_scrollable_horizontal = true;
   scroll_child7.user_scrollable_vertical = true;
   scroll_child7.transform_id = child7->transform_tree_index();
   expected_scroll_tree.Insert(scroll_child7, 1);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               child7->id());
 
   // The node owned by grand_child11, grand_child11 also owns a transform node
   ScrollNode scroll_grand_child11;
   scroll_grand_child11.id = 5;
   scroll_grand_child11.owning_layer_id = grand_child11->id();
   scroll_grand_child11.scrollable = true;
   scroll_grand_child11.user_scrollable_horizontal = true;
   scroll_grand_child11.user_scrollable_vertical = true;
   scroll_grand_child11.transform_id = grand_child11->transform_tree_index();
   expected_scroll_tree.Insert(scroll_grand_child11, 4);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               grand_child11->id());
 
   // The node owned by parent5
   ScrollNode scroll_parent5;
   scroll_parent5.id = 8;
   scroll_parent5.owning_layer_id = parent5->id();
   scroll_parent5.non_fast_scrollable_region = gfx::Rect(0, 0, 50, 50);
   scroll_parent5.bounds = gfx::Size(10, 10);
   scroll_parent5.should_flatten = true;
   scroll_parent5.user_scrollable_horizontal = true;
   scroll_parent5.user_scrollable_vertical = true;
   scroll_parent5.transform_id = parent5->transform_tree_index();
   expected_scroll_tree.Insert(scroll_parent5, 1);
+  expected_scroll_tree.SetOwningLayerIdForNode(expected_scroll_tree.back(),
+                                               parent5->id());
 
   expected_scroll_tree.SetScrollOffset(parent2->id(), gfx::ScrollOffset(0, 0));
   expected_scroll_tree.SetScrollOffset(child7->id(), gfx::ScrollOffset(0, 0));
   expected_scroll_tree.SetScrollOffset(grand_child11->id(),
                                        gfx::ScrollOffset(0, 0));
   expected_scroll_tree.set_needs_update(false);
 
   EXPECT_EQ(expected_scroll_tree, scroll_tree);
 
   // Check other layers' scroll_tree_index
   EXPECT_EQ(scroll_root1.id, page_scale_layer->scroll_tree_index());
   EXPECT_EQ(scroll_child6.id, grand_child10->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent3->scroll_tree_index());
   EXPECT_EQ(scroll_child7.id, child8->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent4->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, child9->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, grand_child12->scroll_tree_index());
 }
 
 }  // namespace
 }  // namespace cc