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

app/linear_animation.cc

Index: app/linear_animation.cc
===================================================================
--- app/linear_animation.cc	(revision 70685)
+++ app/linear_animation.cc	(working copy)
@@ -1,92 +0,0 @@
-// 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/linear_animation.h"
-
-#include <math.h>
-
-#include "app/animation_container.h"
-#include "app/animation_delegate.h"
-
-using base::Time;
-using base::TimeDelta;
-
-static TimeDelta CalculateInterval(int frame_rate) {
-  int timer_interval = 1000000 / frame_rate;
-  if (timer_interval < 10000)
-    timer_interval = 10000;
-  return TimeDelta::FromMicroseconds(timer_interval);
-}
-
-LinearAnimation::LinearAnimation(int frame_rate,
-                                 AnimationDelegate* delegate)
-    : Animation(CalculateInterval(frame_rate)),
-      state_(0.0),
-      in_end_(false) {
-  set_delegate(delegate);
-}
-
-LinearAnimation::LinearAnimation(int duration,
-                                 int frame_rate,
-                                 AnimationDelegate* delegate)
-    : Animation(CalculateInterval(frame_rate)),
-      duration_(TimeDelta::FromMilliseconds(duration)),
-      state_(0.0),
-      in_end_(false) {
-  set_delegate(delegate);
-  SetDuration(duration);
-}
-
-double LinearAnimation::GetCurrentValue() const {
-  // Default is linear relationship, subclass to adapt.
-  return state_;
-}
-
-void LinearAnimation::End() {
-  if (!is_animating())
-    return;
-
-  // NOTE: We don't use AutoReset here as Stop may end up deleting us (by way
-  // of the delegate).
-  in_end_ = true;
-  Stop();
-}
-
-void LinearAnimation::SetDuration(int duration) {
-  duration_ = TimeDelta::FromMilliseconds(duration);
-  if (duration_ < timer_interval())
-    duration_ = timer_interval();
-  if (is_animating())
-    SetStartTime(container()->last_tick_time());
-}
-
-void LinearAnimation::Step(base::TimeTicks time_now) {
-  TimeDelta elapsed_time = time_now - start_time();
-  state_ = static_cast<double>(elapsed_time.InMicroseconds()) /
-           static_cast<double>(duration_.InMicroseconds());
-  if (state_ >= 1.0)
-    state_ = 1.0;
-
-  AnimateToState(state_);
-
-  if (delegate())
-    delegate()->AnimationProgressed(this);
-
-  if (state_ == 1.0)
-    Stop();
-}
-
-void LinearAnimation::AnimationStopped() {
-  if (!in_end_)
-    return;
-
-  in_end_ = false;
-  // Set state_ to ensure we send ended to delegate and not canceled.
-  state_ = 1;
-  AnimateToState(1.0);
-}
-
-bool LinearAnimation::ShouldSendCanceledFromStop() {
-  return state_ != 1;
-}