cc : Track opacity animation changes on effect tree

cc/test/animation_timelines_test_common.h

 // Copyright 2015 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.
 
 #ifndef CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_
 #define CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_
 
 #include <memory>
 #include <unordered_map>
 
@@ skipping 38 matching lines @@
   void set_scroll_offset(const gfx::ScrollOffset& scroll_offset) {
     scroll_offset_ = scroll_offset;
     mutated_properties_[TargetProperty::SCROLL_OFFSET] = true;
   }
 
   bool transform_is_animating() const { return transform_is_animating_; }
   void set_transform_is_animating(bool is_animating) {
     transform_is_animating_ = is_animating;
   }
 
+  bool opacity_is_currently_animating() const {
+    return opacity_is_currently_animating_;
+  }
+  void set_opacity_is_currently_animating(bool is_animating) {
+    opacity_is_currently_animating_ = is_animating;
+  }
+
+  bool has_potential_opacity_animation() const {
+    return has_potential_opacity_animation_;
+  }
+  void set_has_potential_opacity_animation(bool is_animating) {
+    has_potential_opacity_animation_ = is_animating;
+  }
+
   bool is_property_mutated(TargetProperty::Type property) const {
     return mutated_properties_[property];
   }
 
  private:
   TestLayer();
 
   gfx::Transform transform_;
   float opacity_;
   FilterOperations filters_;
   gfx::ScrollOffset scroll_offset_;
   bool transform_is_animating_;
+  bool has_potential_opacity_animation_;
+  bool opacity_is_currently_animating_;
 
   bool mutated_properties_[TargetProperty::LAST_TARGET_PROPERTY + 1];
 };
 
 class TestHostClient : public MutatorHostClient {
  public:
   explicit TestHostClient(ThreadInstance thread_instance);
   ~TestHostClient();
 
   void ClearMutatedProperties();
@@ skipping 19 matching lines @@
   void SetElementScrollOffsetMutated(
       ElementId element_id,
       ElementListType list_type,
       const gfx::ScrollOffset& scroll_offset) override;
 
   void ElementTransformIsPotentiallyAnimatingChanged(
       ElementId element_id,
       ElementListType list_type,
       bool is_animating) override;
 
+  void ElementOpacityIsAnimatingChanged(ElementId element_id,
+                                        ElementListType list_type,
+                                        AnimationChangeType change_type,
+                                        bool is_animating) override;
+
   void ScrollOffsetAnimationFinished() override {}
 
   void SetScrollOffsetForAnimation(const gfx::ScrollOffset& scroll_offset);
   gfx::ScrollOffset GetScrollOffsetForAnimation(
       ElementId element_id) const override;
 
   bool mutators_need_commit() const { return mutators_need_commit_; }
   void set_mutators_need_commit(bool need) { mutators_need_commit_ = need; }
 
   void RegisterElement(ElementId element_id, ElementListType list_type);
@@ skipping 10 matching lines @@
 
   FilterOperations GetFilters(ElementId element_id,
                               ElementListType list_type) const;
   float GetOpacity(ElementId element_id, ElementListType list_type) const;
   gfx::Transform GetTransform(ElementId element_id,
                               ElementListType list_type) const;
   gfx::ScrollOffset GetScrollOffset(ElementId element_id,
                                     ElementListType list_type) const;
   bool GetTransformIsAnimating(ElementId element_id,
                                ElementListType list_type) const;
+  bool GetOpacityIsCurrentlyAnimating(ElementId element_id,
+                                      ElementListType list_type) const;
+  bool GetHasPotentialOpacityAnimation(ElementId element_id,
+                                       ElementListType list_type) const;
 
   void ExpectFilterPropertyMutated(ElementId element_id,
                                    ElementListType list_type,
                                    float brightness) const;
   void ExpectOpacityPropertyMutated(ElementId element_id,
                                     ElementListType list_type,
                                     float opacity) const;
   void ExpectTransformPropertyMutated(ElementId element_id,
                                       ElementListType list_type,
                                       int transform_x,
@@ skipping 97 matching lines @@
   scoped_refptr<AnimationTimeline> timeline_;
   scoped_refptr<AnimationPlayer> player_;
 
   scoped_refptr<AnimationTimeline> timeline_impl_;
   scoped_refptr<AnimationPlayer> player_impl_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_ANIMATION_TIMELINES_TEST_COMMON_H_