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Unified Diff: app/slide_animation.cc

Issue 6154001: Move animation code to new ui/base/animation directory.... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 11 months ago
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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_;
- }
-}
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