Index: app/slide_animation.cc |
=================================================================== |
--- app/slide_animation.cc (revision 70685) |
+++ app/slide_animation.cc (working copy) |
@@ -1,110 +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/slide_animation.h" |
- |
-#include <math.h> |
- |
-// How many frames per second to target. |
-static const int kDefaultFramerateHz = 50; |
- |
-// How long animations should take by default. |
-static const int kDefaultDurationMs = 120; |
- |
-SlideAnimation::SlideAnimation(AnimationDelegate* target) |
- : LinearAnimation(kDefaultFramerateHz, target), |
- target_(target), |
- tween_type_(Tween::EASE_OUT), |
- showing_(false), |
- value_start_(0), |
- value_end_(0), |
- value_current_(0), |
- slide_duration_(kDefaultDurationMs) { |
-} |
- |
-SlideAnimation::~SlideAnimation() { |
-} |
- |
-void SlideAnimation::Reset() { |
- Reset(0); |
-} |
- |
-void SlideAnimation::Reset(double value) { |
- Stop(); |
- showing_ = static_cast<bool>(value == 1); |
- value_current_ = value; |
-} |
- |
-void SlideAnimation::Show() { |
- // If we're already showing (or fully shown), we have nothing to do. |
- if (showing_) |
- return; |
- |
- showing_ = true; |
- value_start_ = value_current_; |
- value_end_ = 1.0; |
- |
- // Make sure we actually have something to do. |
- if (slide_duration_ == 0) { |
- AnimateToState(1.0); // Skip to the end of the animation. |
- return; |
- } else if (value_current_ == value_end_) { |
- return; |
- } |
- |
- // This will also reset the currently-occuring animation. |
- SetDuration(static_cast<int>(slide_duration_ * (1 - value_current_))); |
- Start(); |
-} |
- |
-void SlideAnimation::Hide() { |
- // If we're already hiding (or hidden), we have nothing to do. |
- if (!showing_) |
- return; |
- |
- showing_ = false; |
- value_start_ = value_current_; |
- value_end_ = 0.0; |
- |
- // Make sure we actually have something to do. |
- if (slide_duration_ == 0) { |
- AnimateToState(0.0); // Skip to the end of the animation. |
- return; |
- } else if (value_current_ == value_end_) { |
- return; |
- } |
- |
- // This will also reset the currently-occuring animation. |
- SetDuration(static_cast<int>(slide_duration_ * value_current_)); |
- Start(); |
-} |
- |
-void SlideAnimation::SetSlideDuration(int duration) { |
- slide_duration_ = duration; |
-} |
- |
-double SlideAnimation::GetCurrentValue() const { |
- return value_current_; |
-} |
- |
-void SlideAnimation::AnimateToState(double state) { |
- if (state > 1.0) |
- state = 1.0; |
- |
- state = Tween::CalculateValue(tween_type_, state); |
- |
- value_current_ = value_start_ + (value_end_ - value_start_) * state; |
- |
- // Implement snapping. |
- if (tween_type_ == Tween::EASE_OUT_SNAP && |
- fabs(value_current_ - value_end_) <= 0.06) |
- value_current_ = value_end_; |
- |
- // Correct for any overshoot (while state may be capped at 1.0, let's not |
- // take any rounding error chances. |
- if ((value_end_ >= value_start_ && value_current_ > value_end_) || |
- (value_end_ < value_start_ && value_current_ < value_end_)) { |
- value_current_ = value_end_; |
- } |
-} |