Extracted InkDropAnimator class from InkDropAnimationController.

ui/views/animation/ink_drop_state.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 UI_VIEWS_ANIMATION_INK_DROP_STATE_H_
+#define UI_VIEWS_ANIMATION_INK_DROP_STATE_H_
+
+namespace views {
+
+// The different states that the ink drop animation can be animated to.
+enum class InkDropState {
+  // The ink drop is not visible.
+  HIDDEN,
+  // The view is being interacted with but the action to be triggered has not
+  // yet been determined.
+  ACTION_PENDING,
+  // The quick action for the view has been triggered. e.g. A tap gesture to
+  // click a button.
+  QUICK_ACTION,
+  // The slow action for the view has been triggered. e.g. A long press to bring
+  // up a menu.
+  SLOW_ACTION,
+  // An active state for a view that is no longer being interacted with. e.g. A
+  // pressed button that is showing a menu.
+  ACTIVATED
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_ANIMATION_INK_DROP_STATE_H_