CC Animations: Make LayerAnimationController creation optional

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 2012 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 "base/containers/hash_tables.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
@@ skipping 17 matching lines @@
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/tree_synchronizer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
-LayerImpl* LayerImplForScrollAreaAndScrollbar(FakeLayerTreeHost* host,
+LayerImpl* LayerImplForScrollAreaAndScrollbar(const LayerSettings& settings,
+                                              FakeLayerTreeHost* host,
                                               scoped_ptr<Scrollbar> scrollbar,
                                               bool reverse_order,
                                               bool use_solid_color_scrollbar,
                                               int thumb_thickness,
                                               int track_start) {
-  scoped_refptr<Layer> layer_tree_root = Layer::Create();
-  scoped_refptr<Layer> child1 = Layer::Create();
+  scoped_refptr<Layer> layer_tree_root = Layer::Create(settings);
+  scoped_refptr<Layer> child1 = Layer::Create(settings);
   scoped_refptr<Layer> child2;
   if (use_solid_color_scrollbar) {
     const bool kIsLeftSideVerticalScrollbar = false;
-    child2 = SolidColorScrollbarLayer::Create(scrollbar->Orientation(),
-                                              thumb_thickness,
-                                              track_start,
-                                              kIsLeftSideVerticalScrollbar,
-                                              child1->id());
+    child2 = SolidColorScrollbarLayer::Create(
+        settings, scrollbar->Orientation(), thumb_thickness, track_start,
+        kIsLeftSideVerticalScrollbar, child1->id());
   } else {
-    child2 = PaintedScrollbarLayer::Create(scrollbar.Pass(), child1->id());
+    child2 =
+        PaintedScrollbarLayer::Create(settings, scrollbar.Pass(), child1->id());
   }
   child2->ToScrollbarLayer()->SetClipLayer(layer_tree_root->id());
   layer_tree_root->AddChild(child1);
   layer_tree_root->InsertChild(child2, reverse_order ? 0 : 1);
   host->SetRootLayer(layer_tree_root);
   return host->CommitAndCreateLayerImplTree();
 }
 
 class FakeResourceTrackingLayerTreeHost : public FakeLayerTreeHost {
  public:
@@ skipping 56 matching lines @@
   ScrollbarLayerTest() : fake_client_(FakeLayerTreeHostClient::DIRECT_3D) {
     layer_tree_settings_.single_thread_proxy_scheduler = false;
     layer_tree_host_.reset(new FakeResourceTrackingLayerTreeHost(
         &fake_client_, layer_tree_settings_));
     fake_client_.SetLayerTreeHost(layer_tree_host_.get());
     // Force output surface creation for renderer capabilities.
     layer_tree_host_->Composite(base::TimeTicks());
     EXPECT_FALSE(layer_tree_host_->output_surface_lost());
   }
 
+  const LayerSettings& layer_settings() { return layer_settings_; }
+
  protected:
   FakeLayerTreeHostClient fake_client_;
   LayerTreeSettings layer_tree_settings_;
+  LayerSettings layer_settings_;
   scoped_ptr<FakeResourceTrackingLayerTreeHost> layer_tree_host_;
 };
 
 TEST_F(ScrollbarLayerTest, ResolveScrollLayerPointer) {
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   LayerImpl* layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
-      layer_tree_host_.get(), scrollbar.Pass(), false, false, 0, 0);
+      layer_settings(), layer_tree_host_.get(), scrollbar.Pass(), false, false,
+      0, 0);
 
   LayerImpl* cc_child1 = layer_impl_tree_root->children()[0];
   PaintedScrollbarLayerImpl* cc_child2 =
       static_cast<PaintedScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[1]);
 
   EXPECT_EQ(cc_child1->scrollbars()->size(), 1UL);
   EXPECT_EQ(*(cc_child1->scrollbars()->begin()), cc_child2);
 }
 
 TEST_F(ScrollbarLayerTest, ResolveScrollLayerPointer_ReverseOrder) {
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   LayerImpl* layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
-      layer_tree_host_.get(), scrollbar.Pass(), true, false, 0, 0);
+      layer_settings(), layer_tree_host_.get(), scrollbar.Pass(), true, false,
+      0, 0);
 
   PaintedScrollbarLayerImpl* cc_child1 =
       static_cast<PaintedScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[0]);
   LayerImpl* cc_child2 = layer_impl_tree_root->children()[1];
 
   EXPECT_EQ(cc_child2->scrollbars()->size(), 1UL);
   EXPECT_EQ(*(cc_child2->scrollbars()->begin()), cc_child1);
 }
 
 TEST_F(ScrollbarLayerTest, ShouldScrollNonOverlayOnMainThread) {
   // Create and attach a non-overlay scrollbar.
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   LayerImpl* layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
-      layer_tree_host_.get(), scrollbar.Pass(), false, false, 0, 0);
+      layer_settings(), layer_tree_host_.get(), scrollbar.Pass(), false, false,
+      0, 0);
   PaintedScrollbarLayerImpl* scrollbar_layer_impl =
       static_cast<PaintedScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[1]);
 
   // When the scrollbar is not an overlay scrollbar, the scroll should be
   // responded to on the main thread as the compositor does not yet implement
   // scrollbar scrolling.
   EXPECT_EQ(
       InputHandler::SCROLL_ON_MAIN_THREAD,
       scrollbar_layer_impl->TryScroll(gfx::Point(0, 0), InputHandler::GESTURE,
                                       SCROLL_BLOCKS_ON_NONE));
 
   // Create and attach an overlay scrollbar.
   scrollbar.reset(new FakeScrollbar(false, false, true));
 
   layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
-      layer_tree_host_.get(), scrollbar.Pass(), false, false, 0, 0);
+      layer_settings(), layer_tree_host_.get(), scrollbar.Pass(), false, false,
+      0, 0);
   scrollbar_layer_impl = static_cast<PaintedScrollbarLayerImpl*>(
       layer_impl_tree_root->children()[1]);
 
   // The user shouldn't be able to drag an overlay scrollbar and the scroll
   // may be handled in the compositor.
   EXPECT_EQ(
       InputHandler::SCROLL_IGNORED,
       scrollbar_layer_impl->TryScroll(gfx::Point(0, 0), InputHandler::GESTURE,
                                       SCROLL_BLOCKS_ON_NONE));
 }
 
 TEST_F(ScrollbarLayerTest, ScrollOffsetSynchronization) {
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
-  scoped_refptr<Layer> layer_tree_root = Layer::Create();
-  scoped_refptr<Layer> scroll_layer = Layer::Create();
-  scoped_refptr<Layer> content_layer = Layer::Create();
-  scoped_refptr<Layer> scrollbar_layer =
-      PaintedScrollbarLayer::Create(scrollbar.Pass(), layer_tree_root->id());
+  scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
+  scoped_refptr<Layer> scroll_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> scrollbar_layer = PaintedScrollbarLayer::Create(
+      layer_settings(), scrollbar.Pass(), layer_tree_root->id());
 
   // Choose bounds to give max_scroll_offset = (30, 50).
   layer_tree_root->SetBounds(gfx::Size(70, 150));
   scroll_layer->SetScrollClipLayerId(layer_tree_root->id());
   scroll_layer->SetScrollOffset(gfx::ScrollOffset(10, 20));
   scroll_layer->SetBounds(gfx::Size(100, 200));
   content_layer->SetBounds(gfx::Size(100, 200));
 
   layer_tree_host_->SetRootLayer(layer_tree_root);
   layer_tree_root->AddChild(scroll_layer);
@@ skipping 44 matching lines @@
     scrollbar_layer->UpdateInternalContentScale();                           \
     scrollbar_layer->UpdateThumbAndTrackGeometry();                          \
     root_clip_layer_impl = layer_tree_host_->CommitAndCreateLayerImplTree(); \
     root_layer_impl = root_clip_layer_impl->children()[0];                   \
     scrollbar_layer_impl = static_cast<PaintedScrollbarLayerImpl*>(          \
         root_layer_impl->children()[1]);                                     \
     scrollbar_layer_impl->ScrollbarParametersDidChange(false);               \
   } while (false)
 
 TEST_F(ScrollbarLayerTest, UpdatePropertiesOfScrollBarWhenThumbRemoved) {
-  scoped_refptr<Layer> root_clip_layer = Layer::Create();
-  scoped_refptr<Layer> root_layer = Layer::Create();
-  scoped_refptr<Layer> content_layer = Layer::Create();
+  scoped_refptr<Layer> root_clip_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> root_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
   scoped_refptr<FakePaintedScrollbarLayer> scrollbar_layer =
-      FakePaintedScrollbarLayer::Create(false, true, root_layer->id());
+      FakePaintedScrollbarLayer::Create(layer_settings(), false, true,
+                                        root_layer->id());
 
   root_layer->SetScrollClipLayerId(root_clip_layer->id());
   // Give the root-clip a size that will result in MaxScrollOffset = (80, 0).
   root_clip_layer->SetBounds(gfx::Size(20, 50));
   root_layer->SetBounds(gfx::Size(100, 50));
   content_layer->SetBounds(gfx::Size(100, 50));
 
   layer_tree_host_->SetRootLayer(root_clip_layer);
   root_clip_layer->AddChild(root_layer);
   root_layer->AddChild(content_layer);
@@ skipping 16 matching lines @@
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 
   scrollbar_layer->fake_scrollbar()->set_has_thumb(false);
 
   UPDATE_AND_EXTRACT_LAYER_POINTERS();
   EXPECT_EQ(gfx::Rect(10, 0, 0, 0).ToString(),
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 }
 
 TEST_F(ScrollbarLayerTest, ThumbRect) {
-  scoped_refptr<Layer> root_clip_layer = Layer::Create();
-  scoped_refptr<Layer> root_layer = Layer::Create();
-  scoped_refptr<Layer> content_layer = Layer::Create();
+  scoped_refptr<Layer> root_clip_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> root_layer = Layer::Create(layer_settings());
+  scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
   scoped_refptr<FakePaintedScrollbarLayer> scrollbar_layer =
-      FakePaintedScrollbarLayer::Create(false, true, root_layer->id());
+      FakePaintedScrollbarLayer::Create(layer_settings(), false, true,
+                                        root_layer->id());
 
   root_layer->SetScrollClipLayerId(root_clip_layer->id());
   // Give the root-clip a size that will result in MaxScrollOffset = (80, 0).
   root_clip_layer->SetBounds(gfx::Size(20, 50));
   root_layer->SetBounds(gfx::Size(100, 50));
   content_layer->SetBounds(gfx::Size(100, 50));
 
   layer_tree_host_->SetRootLayer(root_clip_layer);
   root_clip_layer->AddChild(root_layer);
   root_layer->AddChild(content_layer);
@@ skipping 59 matching lines @@
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 }
 
 TEST_F(ScrollbarLayerTest, SolidColorDrawQuads) {
   const int kThumbThickness = 3;
   const int kTrackStart = 1;
   const int kTrackLength = 100;
 
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar(false, true, true));
   LayerImpl* layer_impl_tree_root = LayerImplForScrollAreaAndScrollbar(
-      layer_tree_host_.get(), scrollbar.Pass(), false, true, kThumbThickness,
-      kTrackStart);
+      layer_settings(), layer_tree_host_.get(), scrollbar.Pass(), false, true,
+      kThumbThickness, kTrackStart);
   ScrollbarLayerImplBase* scrollbar_layer_impl =
       static_cast<SolidColorScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[1]);
   scrollbar_layer_impl->SetBounds(gfx::Size(kTrackLength, kThumbThickness));
   scrollbar_layer_impl->SetCurrentPos(10.f);
   scrollbar_layer_impl->SetMaximum(100);
   scrollbar_layer_impl->SetVisibleToTotalLengthRatio(0.4f);
 
   // Thickness should be overridden to 3.
   {
@@ skipping 53 matching lines @@
 }
 
 TEST_F(ScrollbarLayerTest, LayerDrivenSolidColorDrawQuads) {
   const int kThumbThickness = 3;
   const int kTrackStart = 0;
   const int kTrackLength = 10;
 
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar(false, true, true));
 
   {
-    scoped_refptr<Layer> layer_tree_root = Layer::Create();
-    scoped_refptr<Layer> scroll_layer = Layer::Create();
+    scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
+    scoped_refptr<Layer> scroll_layer = Layer::Create(layer_settings());
     scroll_layer->SetScrollClipLayerId(layer_tree_root->id());
-    scoped_refptr<Layer> child1 = Layer::Create();
+    scoped_refptr<Layer> child1 = Layer::Create(layer_settings());
     scoped_refptr<Layer> child2;
     const bool kIsLeftSideVerticalScrollbar = false;
-    child2 = SolidColorScrollbarLayer::Create(scrollbar->Orientation(),
-                                              kThumbThickness,
-                                              kTrackStart,
-                                              kIsLeftSideVerticalScrollbar,
-                                              child1->id());
+    child2 = SolidColorScrollbarLayer::Create(
+        layer_settings(), scrollbar->Orientation(), kThumbThickness,
+        kTrackStart, kIsLeftSideVerticalScrollbar, child1->id());
     child2->ToScrollbarLayer()->SetScrollLayer(scroll_layer->id());
     child2->ToScrollbarLayer()->SetClipLayer(layer_tree_root->id());
     scroll_layer->AddChild(child1);
     scroll_layer->InsertChild(child2, 1);
     layer_tree_root->AddChild(scroll_layer);
     layer_tree_host_->SetRootLayer(layer_tree_root);
   }
   LayerImpl* layer_impl_tree_root =
       layer_tree_host_->CommitAndCreateLayerImplTree();
   LayerImpl* scroll_layer_impl = layer_impl_tree_root->children()[0];
@@ skipping 128 matching lines @@
             vertical_scrollbar_layer_->ComputeThumbQuadRect());
 }
 
 class ScrollbarLayerTestMaxTextureSize : public LayerTreeTest {
  public:
   ScrollbarLayerTestMaxTextureSize() {}
 
   void SetScrollbarBounds(const gfx::Size& bounds) { bounds_ = bounds; }
 
   void BeginTest() override {
-    scroll_layer_ = Layer::Create();
+    scroll_layer_ = Layer::Create(layer_settings());
     layer_tree_host()->root_layer()->AddChild(scroll_layer_);
 
     scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
-    scrollbar_layer_ =
-        PaintedScrollbarLayer::Create(scrollbar.Pass(), scroll_layer_->id());
+    scrollbar_layer_ = PaintedScrollbarLayer::Create(
+        layer_settings(), scrollbar.Pass(), scroll_layer_->id());
     scrollbar_layer_->SetScrollLayer(scroll_layer_->id());
     scrollbar_layer_->SetLayerTreeHost(layer_tree_host());
     scrollbar_layer_->SetBounds(bounds_);
     scrollbar_layer_->SetIsDrawable(true);
     layer_tree_host()->root_layer()->AddChild(scrollbar_layer_);
 
     PostSetNeedsCommitToMainThread();
   }
 
   void DidCommitAndDrawFrame() override {
@@ skipping 38 matching lines @@
 }
 
 class ScrollbarLayerTestResourceCreationAndRelease : public ScrollbarLayerTest {
  public:
   void TestResourceUpload(int num_updates,
                           size_t expected_resources,
                           int expected_created,
                           int expected_deleted,
                           bool use_solid_color_scrollbar) {
     scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar(false, true, false));
-    scoped_refptr<Layer> layer_tree_root = Layer::Create();
-    scoped_refptr<Layer> content_layer = Layer::Create();
+    scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
+    scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
     scoped_refptr<Layer> scrollbar_layer;
     if (use_solid_color_scrollbar) {
       const int kThumbThickness = 3;
       const int kTrackStart = 0;
       const bool kIsLeftSideVerticalScrollbar = false;
-      scrollbar_layer =
-          SolidColorScrollbarLayer::Create(scrollbar->Orientation(),
-                                           kThumbThickness,
-                                           kTrackStart,
-                                           kIsLeftSideVerticalScrollbar,
-                                           layer_tree_root->id());
+      scrollbar_layer = SolidColorScrollbarLayer::Create(
+          layer_settings(), scrollbar->Orientation(), kThumbThickness,
+          kTrackStart, kIsLeftSideVerticalScrollbar, layer_tree_root->id());
     } else {
-      scrollbar_layer = PaintedScrollbarLayer::Create(scrollbar.Pass(),
-                                                      layer_tree_root->id());
+      scrollbar_layer = PaintedScrollbarLayer::Create(
+          layer_settings(), scrollbar.Pass(), layer_tree_root->id());
     }
     layer_tree_root->AddChild(content_layer);
     layer_tree_root->AddChild(scrollbar_layer);
 
     layer_tree_host_->SetRootLayer(layer_tree_root);
 
     scrollbar_layer->SetIsDrawable(true);
     scrollbar_layer->SetBounds(gfx::Size(100, 100));
     layer_tree_root->SetScrollOffset(gfx::ScrollOffset(10, 20));
     layer_tree_root->SetBounds(gfx::Size(100, 200));
@@ skipping 42 matching lines @@
 
 TEST_F(ScrollbarLayerTestResourceCreationAndRelease,
        SolidColorNoResourceUpload) {
   bool use_solid_color_scrollbars = true;
   TestResourceUpload(0, 0, 0, 0, use_solid_color_scrollbars);
   TestResourceUpload(1, 0, 0, 0, use_solid_color_scrollbars);
 }
 
 TEST_F(ScrollbarLayerTestResourceCreationAndRelease, TestResourceUpdate) {
   gfx::Point scrollbar_location(0, 185);
-  scoped_refptr<Layer> layer_tree_root = Layer::Create();
-  scoped_refptr<Layer> content_layer = Layer::Create();
+  scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
+  scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
   scoped_refptr<FakePaintedScrollbarLayer> scrollbar_layer =
-      FakePaintedScrollbarLayer::Create(false, true, layer_tree_root->id());
+      FakePaintedScrollbarLayer::Create(layer_settings(), false, true,
+                                        layer_tree_root->id());
 
   layer_tree_root->AddChild(content_layer);
   layer_tree_root->AddChild(scrollbar_layer);
 
   layer_tree_host_->SetRootLayer(layer_tree_root);
 
   scrollbar_layer->SetIsDrawable(true);
   scrollbar_layer->SetBounds(gfx::Size(100, 15));
   scrollbar_layer->SetPosition(scrollbar_location);
   layer_tree_root->SetBounds(gfx::Size(100, 200));
@@ skipping 113 matching lines @@
   EXPECT_EQ(expected_deleted, layer_tree_host_->TotalUIResourceDeleted());
 
   testing::Mock::VerifyAndClearExpectations(layer_tree_host_.get());
   scrollbar_layer->ClearRenderSurface();
 }
 
 class ScaledScrollbarLayerTestResourceCreation : public ScrollbarLayerTest {
  public:
   void TestResourceUpload(const float test_scale) {
     gfx::Point scrollbar_location(0, 185);
-    scoped_refptr<Layer> layer_tree_root = Layer::Create();
-    scoped_refptr<Layer> content_layer = Layer::Create();
+    scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
+    scoped_refptr<Layer> content_layer = Layer::Create(layer_settings());
     scoped_refptr<FakePaintedScrollbarLayer> scrollbar_layer =
-        FakePaintedScrollbarLayer::Create(false, true, layer_tree_root->id());
+        FakePaintedScrollbarLayer::Create(layer_settings(), false, true,
+                                          layer_tree_root->id());
 
     layer_tree_root->AddChild(content_layer);
     layer_tree_root->AddChild(scrollbar_layer);
 
     layer_tree_host_->SetRootLayer(layer_tree_root);
 
     scrollbar_layer->SetIsDrawable(true);
     scrollbar_layer->SetBounds(gfx::Size(100, 15));
     scrollbar_layer->SetPosition(scrollbar_location);
     layer_tree_root->SetBounds(gfx::Size(100, 200));
@@ skipping 52 matching lines @@
   TestResourceUpload(.041f);
   TestResourceUpload(1.41f);
   TestResourceUpload(4.1f);
 }
 
 class ScaledScrollbarLayerTestScaledRasterization : public ScrollbarLayerTest {
  public:
   void TestScale(const gfx::Rect scrollbar_rect, const float test_scale) {
     bool paint_during_update = true;
     bool has_thumb = false;
-    scoped_refptr<Layer> layer_tree_root = Layer::Create();
+    scoped_refptr<Layer> layer_tree_root = Layer::Create(layer_settings());
     scoped_refptr<FakePaintedScrollbarLayer> scrollbar_layer =
-        FakePaintedScrollbarLayer::Create(paint_during_update,
-                                          has_thumb,
-                                          layer_tree_root->id());
+        FakePaintedScrollbarLayer::Create(layer_settings(), paint_during_update,
+                                          has_thumb, layer_tree_root->id());
 
     layer_tree_root->AddChild(scrollbar_layer);
 
     layer_tree_host_->SetRootLayer(layer_tree_root);
 
     scrollbar_layer->SetBounds(scrollbar_rect.size());
     scrollbar_layer->SetPosition(scrollbar_rect.origin());
     scrollbar_layer->fake_scrollbar()->set_location(scrollbar_rect.origin());
     scrollbar_layer->fake_scrollbar()->set_track_rect(scrollbar_rect);
     gfx::SizeF scaled_size =
@@ skipping 62 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc