CC Animations: Establish AnimationHost, AnimationTimeline and AnimationPlayer

cc/public/mutator_host_client.h

Index: cc/public/mutator_host_client.h
diff --git a/cc/public/mutator_host_client.h b/cc/public/mutator_host_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..ce5d42249f7b2e0d7282bd51be82c4ba075c5e48
--- /dev/null
+++ b/cc/public/mutator_host_client.h
@@ -0,0 +1,42 @@
+// 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_PUBLIC_MUTATOR_HOST_CLIENT_H_

[ajuma, 2015/06/29 14:56:19]

Creating a cc/public directory for this seems a bit confusing to me (since it
suggests that all of cc's public interface lives in this directory,  which isn't
actually the case).

[loyso (OOO), 2015/06/30 01:39:57]

We have a plan to accumulate all the external cc interfaces here (see vollick@).
What's wrong?

+#define CC_PUBLIC_MUTATOR_HOST_CLIENT_H_
+
+namespace gfx {
+class Transform;
+class ScrollOffset;
+}
+
+namespace cc {
+
+class FilterOperations;
+class Layer;
+
+enum class LayerTreeType { ACTIVE, PENDING };
+
+class MutatorHostClient {
+ public:
+  virtual bool IsLayerInTree(int layer_id, LayerTreeType tree_type) const = 0;
+  virtual void SetMutatorsNeedCommit() = 0;
+
+  virtual void SetLayerFilterMutated(int layer_id,
+                                     LayerTreeType tree_type,
+                                     const FilterOperations& filters) = 0;
+  virtual void SetLayerOpacityMutated(int layer_id,
+                                      LayerTreeType tree_type,
+                                      float opacity) = 0;
+  virtual void SetLayerTransformMutated(int layer_id,
+                                        LayerTreeType tree_type,
+                                        const gfx::Transform& transform) = 0;
+  virtual void SetLayerScrollOffsetMutated(
+      int layer_id,
+      LayerTreeType tree_type,
+      const gfx::ScrollOffset& scroll_offset) = 0;
+};
+
+}  // namespace cc
+
+#endif  // CC_PUBLIC_MUTATOR_HOST_CLIENT_H_