Move animation code to new ui/base/animation directory....

app/throb_animation.cc

-// Copyright (c) 2010 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 "app/throb_animation.h"
-
-#include <limits>
-
-static const int kDefaultThrobDurationMS = 400;
-
-ThrobAnimation::ThrobAnimation(AnimationDelegate* target)
-    : SlideAnimation(target),
-      slide_duration_(GetSlideDuration()),
-      throb_duration_(kDefaultThrobDurationMS),
-      cycles_remaining_(0),
-      throbbing_(false) {
-}
-
-void ThrobAnimation::StartThrobbing(int cycles_til_stop) {
-  cycles_til_stop = cycles_til_stop >= 0 ? cycles_til_stop :
-                                           std::numeric_limits<int>::max();
-  cycles_remaining_ = cycles_til_stop;
-  throbbing_ = true;
-  SlideAnimation::SetSlideDuration(throb_duration_);
-  if (is_animating())
-    return;  // We're already running, we'll cycle when current loop finishes.
-
-  if (IsShowing())
-    SlideAnimation::Hide();
-  else
-    SlideAnimation::Show();
-  cycles_remaining_ = cycles_til_stop;
-}
-
-void ThrobAnimation::Reset() {
-  ResetForSlide();
-  SlideAnimation::Reset();
-}
-
-void ThrobAnimation::Show() {
-  ResetForSlide();
-  SlideAnimation::Show();
-}
-
-void ThrobAnimation::Hide() {
-  ResetForSlide();
-  SlideAnimation::Hide();
-}
-
-void ThrobAnimation::SetSlideDuration(int duration) {
-  slide_duration_ = duration;
-}
-
-void ThrobAnimation::Step(base::TimeTicks time_now) {
-  LinearAnimation::Step(time_now);
-
-  if (!is_animating() && throbbing_) {
-    // Were throbbing a finished a cycle. Start the next cycle unless we're at
-    // the end of the cycles, in which case we stop.
-    cycles_remaining_--;
-    if (IsShowing()) {
-      // We want to stop hidden, hence this doesn't check cycles_remaining_.
-      SlideAnimation::Hide();
-    } else if (cycles_remaining_ > 0) {
-      SlideAnimation::Show();
-    } else {
-      // We're done throbbing.
-      throbbing_ = false;
-    }
-  }
-}
-
-void ThrobAnimation::ResetForSlide() {
-  SlideAnimation::SetSlideDuration(slide_duration_);
-  cycles_remaining_ = 0;
-  throbbing_ = false;
-}