Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(256)

Side by Side Diff: ui/views/animation/scroll_animator.cc

Issue 23531053: ui/base/animation -> ui/gfx/animation (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Merge 2 trunk Created 7 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « ui/views/animation/scroll_animator.h ('k') | ui/views/bubble/bubble_delegate.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "ui/views/animation/scroll_animator.h" 5 #include "ui/views/animation/scroll_animator.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 9
10 #include "base/logging.h" 10 #include "base/logging.h"
11 #include "ui/base/animation/slide_animation.h" 11 #include "ui/gfx/animation/slide_animation.h"
12 12
13 namespace { 13 namespace {
14 const float kDefaultAcceleration = -1500.0f; // in pixels per second^2 14 const float kDefaultAcceleration = -1500.0f; // in pixels per second^2
15 15
16 // Assumes that d0 == 0.0f 16 // Assumes that d0 == 0.0f
17 float GetPosition(float v0, float a, float t) { 17 float GetPosition(float v0, float a, float t) {
18 float max_t = -v0 / a; 18 float max_t = -v0 / a;
19 if (t > max_t) 19 if (t > max_t)
20 t = max_t; 20 t = max_t;
21 return t * (v0 + 0.5f * a * t); 21 return t * (v0 + 0.5f * a * t);
(...skipping 22 matching lines...) Expand all
44 } 44 }
45 45
46 void ScrollAnimator::Start(float velocity_x, float velocity_y) { 46 void ScrollAnimator::Start(float velocity_x, float velocity_y) {
47 if (acceleration_ >= 0.0f) 47 if (acceleration_ >= 0.0f)
48 acceleration_ = kDefaultAcceleration; 48 acceleration_ = kDefaultAcceleration;
49 float v = std::max(fabs(velocity_x), fabs(velocity_y)); 49 float v = std::max(fabs(velocity_x), fabs(velocity_y));
50 last_t_ = 0.0f; 50 last_t_ = 0.0f;
51 velocity_x_ = velocity_x; 51 velocity_x_ = velocity_x;
52 velocity_y_ = velocity_y; 52 velocity_y_ = velocity_y;
53 duration_ = -v / acceleration_; // in seconds 53 duration_ = -v / acceleration_; // in seconds
54 animation_.reset(new ui::SlideAnimation(this)); 54 animation_.reset(new gfx::SlideAnimation(this));
55 animation_->SetSlideDuration(static_cast<int>(duration_ * 1000)); 55 animation_->SetSlideDuration(static_cast<int>(duration_ * 1000));
56 animation_->Show(); 56 animation_->Show();
57 } 57 }
58 58
59 void ScrollAnimator::Stop() { 59 void ScrollAnimator::Stop() {
60 velocity_x_ = velocity_y_ = last_t_ = duration_ = 0.0f; 60 velocity_x_ = velocity_y_ = last_t_ = duration_ = 0.0f;
61 animation_.reset(); 61 animation_.reset();
62 } 62 }
63 63
64 void ScrollAnimator::AnimationEnded(const ui::Animation* animation) { 64 void ScrollAnimator::AnimationEnded(const gfx::Animation* animation) {
65 Stop(); 65 Stop();
66 } 66 }
67 67
68 void ScrollAnimator::AnimationProgressed(const ui::Animation* animation) { 68 void ScrollAnimator::AnimationProgressed(const gfx::Animation* animation) {
69 float t = static_cast<float>(animation->GetCurrentValue()) * duration_; 69 float t = static_cast<float>(animation->GetCurrentValue()) * duration_;
70 float a_x = velocity_x_ > 0 ? acceleration_ : -acceleration_; 70 float a_x = velocity_x_ > 0 ? acceleration_ : -acceleration_;
71 float a_y = velocity_y_ > 0 ? acceleration_ : -acceleration_; 71 float a_y = velocity_y_ > 0 ? acceleration_ : -acceleration_;
72 float dx = GetDelta(velocity_x_, a_x, last_t_, t); 72 float dx = GetDelta(velocity_x_, a_x, last_t_, t);
73 float dy = GetDelta(velocity_y_, a_y, last_t_, t); 73 float dy = GetDelta(velocity_y_, a_y, last_t_, t);
74 last_t_ = t; 74 last_t_ = t;
75 delegate_->OnScroll(dx, dy); 75 delegate_->OnScroll(dx, dy);
76 } 76 }
77 77
78 void ScrollAnimator::AnimationCanceled(const ui::Animation* animation) { 78 void ScrollAnimator::AnimationCanceled(const gfx::Animation* animation) {
79 Stop(); 79 Stop();
80 } 80 }
81 81
82 } // namespace views 82 } // namespace views
OLDNEW
« no previous file with comments | « ui/views/animation/scroll_animator.h ('k') | ui/views/bubble/bubble_delegate.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698