Extracted InkDropAnimator class from InkDropAnimationController.

ui/views/animation/ink_drop_animation.cc

Index: ui/views/animation/ink_drop_animation.cc
diff --git a/ui/views/animation/ink_drop_animation_controller_impl.cc b/ui/views/animation/ink_drop_animation.cc
similarity index 88%
copy from ui/views/animation/ink_drop_animation_controller_impl.cc
copy to ui/views/animation/ink_drop_animation.cc
index 2d5a25736471cc61d745e587eeee88476e40c870..b02fcd6cbf65fa13709c441b3127cae1c19c0f2c 100644
--- a/ui/views/animation/ink_drop_animation_controller_impl.cc
+++ b/ui/views/animation/ink_drop_animation.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/views/animation/ink_drop_animation_controller_impl.h"
+#include "ui/views/animation/ink_drop_animation.h"
 
 #include "base/command_line.h"
 #include "ui/base/ui_base_switches.h"
@@ -11,11 +11,9 @@
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/paint_recorder.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/events/event.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/views/animation/ink_drop_delegate.h"
-#include "ui/views/animation/ink_drop_host.h"
 #include "ui/views/view.h"
 
 namespace {
@@ -184,10 +182,8 @@ bool AppearAnimationObserver::RequiresNotificationWhenAnimatorDestroyed()
   return true;
 }
 
-InkDropAnimationControllerImpl::InkDropAnimationControllerImpl(
-    InkDropHost* ink_drop_host)
-    : ink_drop_host_(ink_drop_host),
-      root_layer_(new ui::Layer(ui::LAYER_NOT_DRAWN)),
+InkDropAnimation::InkDropAnimation()
+    : root_layer_(new ui::Layer(ui::LAYER_NOT_DRAWN)),
       ink_drop_layer_(new ui::Layer()),
       appear_animation_observer_(nullptr),
       long_press_layer_(new ui::Layer()),
@@ -205,19 +201,11 @@ InkDropAnimationControllerImpl::InkDropAnimationControllerImpl(
 
   root_layer_->Add(ink_drop_layer_.get());
   root_layer_->Add(long_press_layer_.get());
-
-  // TODO(bruthig): Change this to only be called before the ink drop becomes
-  // active. See www.crbug.com/522175.
-  ink_drop_host_->AddInkDropLayer(root_layer_.get());
 }
 
-InkDropAnimationControllerImpl::~InkDropAnimationControllerImpl() {
-  // TODO(bruthig): Change this to be called when the ink drop becomes hidden.
-  // See www.crbug.com/522175.
-  ink_drop_host_->RemoveInkDropLayer(root_layer_.get());
-}
+InkDropAnimation::~InkDropAnimation() {}
 
-void InkDropAnimationControllerImpl::AnimateToState(InkDropState state) {
+void InkDropAnimation::AnimateToState(InkDropState state) {
   // TODO(bruthig): Do not transition if we are already in |state| and restrict
   // any state transition that don't make sense or wouldn't look visually
   // appealing.
@@ -241,21 +229,21 @@ void InkDropAnimationControllerImpl::AnimateToState(InkDropState state) {
   }
 }
 
-void InkDropAnimationControllerImpl::SetInkDropSize(const gfx::Size& size) {
+void InkDropAnimation::SetInkDropSize(const gfx::Size& size) {
   SetInkDropBounds(gfx::Rect(ink_drop_bounds_.origin(), size));
 }
 
-gfx::Rect InkDropAnimationControllerImpl::GetInkDropBounds() const {
+gfx::Rect InkDropAnimation::GetInkDropBounds() const {
   return ink_drop_bounds_;
 }
 
-void InkDropAnimationControllerImpl::SetInkDropBounds(const gfx::Rect& bounds) {
+void InkDropAnimation::SetInkDropBounds(const gfx::Rect& bounds) {
   ink_drop_bounds_ = bounds;
   SetLayerBounds(ink_drop_layer_.get());
   SetLayerBounds(long_press_layer_.get());
 }
 
-void InkDropAnimationControllerImpl::AnimateTapDown() {
+void InkDropAnimation::AnimateTapDown() {
   if ((appear_animation_observer_ &&
        appear_animation_observer_->IsAnimationActive()) ||
       (long_press_animation_observer_ &&
@@ -272,7 +260,7 @@ void InkDropAnimationControllerImpl::AnimateTapDown() {
                                        : kShowInkDropAnimationDurationSlowMs)));
 }
 
-void InkDropAnimationControllerImpl::AnimateHide() {
+void InkDropAnimation::AnimateHide() {
   if (appear_animation_observer_ &&
       appear_animation_observer_->IsAnimationActive()) {
     appear_animation_observer_->HideNowIfDoneOrOnceCompleted();
@@ -281,7 +269,7 @@ void InkDropAnimationControllerImpl::AnimateHide() {
   }
 }
 
-void InkDropAnimationControllerImpl::AnimateLongPress() {
+void InkDropAnimation::AnimateLongPress() {
   // Only one animation at a time. Subsequent long presses are ignored until the
   // current animation completes.
   if (long_press_animation_observer_ &&
@@ -298,10 +286,9 @@ void InkDropAnimationControllerImpl::AnimateLongPress() {
                                       : kShowLongPressAnimationDurationSlowMs));
 }
 
-void InkDropAnimationControllerImpl::AnimateShow(
-    ui::Layer* layer,
-    AppearAnimationObserver* observer,
-    base::TimeDelta duration) {
+void InkDropAnimation::AnimateShow(ui::Layer* layer,
+                                   AppearAnimationObserver* observer,
+                                   base::TimeDelta duration) {
   layer->SetVisible(true);
   layer->SetOpacity(1.0f);
 
@@ -331,7 +318,7 @@ void InkDropAnimationControllerImpl::AnimateShow(
   animator->StartAnimation(sequence);
 }
 
-void InkDropAnimationControllerImpl::SetLayerBounds(ui::Layer* layer) {
+void InkDropAnimation::SetLayerBounds(ui::Layer* layer) {
   bool circle = UseCircularFeedback();
   gfx::Size size = ink_drop_bounds_.size();
   float circle_width = circle ? 2.0f * kCircleRadius : size.width();
@@ -341,9 +328,8 @@ void InkDropAnimationControllerImpl::SetLayerBounds(ui::Layer* layer) {
   layer->SetBounds(gfx::Rect(circle_x, circle_y, circle_width, circle_height));
 }
 
-void InkDropAnimationControllerImpl::SetupAnimationLayer(
-    ui::Layer* layer,
-    InkDropDelegate* delegate) {
+void InkDropAnimation::SetupAnimationLayer(ui::Layer* layer,
+                                           InkDropDelegate* delegate) {
   layer->SetFillsBoundsOpaquely(false);
   layer->set_delegate(delegate);
   layer->SetVisible(false);