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Side by Side Diff: ui/compositor/transform_animation_curve_adapter.cc

Issue 12517003: cc: Chromify the Animation and LayerAnimationController classes (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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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/compositor/transform_animation_curve_adapter.h" 5 #include "ui/compositor/transform_animation_curve_adapter.h"
6 6
7 namespace ui { 7 namespace ui {
8 8
9 TransformAnimationCurveAdapter::TransformAnimationCurveAdapter( 9 TransformAnimationCurveAdapter::TransformAnimationCurveAdapter(
10 Tween::Type tween_type, 10 Tween::Type tween_type,
11 gfx::Transform initial_value, 11 gfx::Transform initial_value,
12 gfx::Transform target_value, 12 gfx::Transform target_value,
13 base::TimeDelta duration) 13 base::TimeDelta duration)
14 : tween_type_(tween_type), 14 : tween_type_(tween_type),
15 initial_value_(initial_value), 15 initial_value_(initial_value),
16 target_value_(target_value), 16 target_value_(target_value),
17 duration_(duration) { 17 duration_(duration) {
18 gfx::DecomposeTransform(&decomposed_initial_value_, initial_value_); 18 gfx::DecomposeTransform(&decomposed_initial_value_, initial_value_);
19 gfx::DecomposeTransform(&decomposed_target_value_, target_value_); 19 gfx::DecomposeTransform(&decomposed_target_value_, target_value_);
20 } 20 }
21 21
22 TransformAnimationCurveAdapter::~TransformAnimationCurveAdapter() { 22 TransformAnimationCurveAdapter::~TransformAnimationCurveAdapter() {
23 } 23 }
24 24
25 double TransformAnimationCurveAdapter::duration() const { 25 double TransformAnimationCurveAdapter::Duration() const {
26 return duration_.InSecondsF(); 26 return duration_.InSecondsF();
27 } 27 }
28 28
29 scoped_ptr<cc::AnimationCurve> TransformAnimationCurveAdapter::clone() const { 29 scoped_ptr<cc::AnimationCurve> TransformAnimationCurveAdapter::Clone() const {
30 scoped_ptr<TransformAnimationCurveAdapter> to_return( 30 scoped_ptr<TransformAnimationCurveAdapter> to_return(
31 new TransformAnimationCurveAdapter(tween_type_, 31 new TransformAnimationCurveAdapter(tween_type_,
32 initial_value_, 32 initial_value_,
33 target_value_, 33 target_value_,
34 duration_)); 34 duration_));
35 return to_return.PassAs<cc::AnimationCurve>(); 35 return to_return.PassAs<cc::AnimationCurve>();
36 } 36 }
37 37
38 gfx::Transform TransformAnimationCurveAdapter::getValue( 38 gfx::Transform TransformAnimationCurveAdapter::GetValue(
39 double t) const { 39 double t) const {
40 if (t >= duration_.InSecondsF()) 40 if (t >= duration_.InSecondsF())
41 return target_value_; 41 return target_value_;
42 if (t <= 0.0) 42 if (t <= 0.0)
43 return initial_value_; 43 return initial_value_;
44 double progress = t / duration_.InSecondsF(); 44 double progress = t / duration_.InSecondsF();
45 45
46 gfx::DecomposedTransform to_return; 46 gfx::DecomposedTransform to_return;
47 gfx::BlendDecomposedTransforms(&to_return, 47 gfx::BlendDecomposedTransforms(&to_return,
48 decomposed_initial_value_, 48 decomposed_initial_value_,
49 decomposed_target_value_, 49 decomposed_target_value_,
50 Tween::CalculateValue(tween_type_, progress)); 50 Tween::CalculateValue(tween_type_, progress));
51 return gfx::ComposeTransform(to_return); 51 return gfx::ComposeTransform(to_return);
52 } 52 }
53 53
54 } // namespace ui 54 } // namespace ui
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