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1 /* | |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 */ | |
24 | |
25 #include "config.h" | |
26 | |
27 #include "core/platform/graphics/chromium/AnimationTranslationUtil.h" | |
28 | |
29 #include "core/css/LengthFunctions.h" | |
30 #include "core/platform/animation/CSSAnimationData.h" | |
31 #include "core/platform/animation/KeyframeValueList.h" | |
32 #include "core/platform/graphics/FloatSize.h" | |
33 #include "core/platform/graphics/chromium/TransformSkMatrix44Conversions.h" | |
34 #include "core/platform/graphics/transforms/InterpolatedTransformOperation.h" | |
35 #include "core/platform/graphics/transforms/Matrix3DTransformOperation.h" | |
36 #include "core/platform/graphics/transforms/MatrixTransformOperation.h" | |
37 #include "core/platform/graphics/transforms/PerspectiveTransformOperation.h" | |
38 #include "core/platform/graphics/transforms/RotateTransformOperation.h" | |
39 #include "core/platform/graphics/transforms/ScaleTransformOperation.h" | |
40 #include "core/platform/graphics/transforms/SkewTransformOperation.h" | |
41 #include "core/platform/graphics/transforms/TransformOperations.h" | |
42 #include "core/platform/graphics/transforms/TranslateTransformOperation.h" | |
43 | |
44 #include "public/platform/Platform.h" | |
45 #include "public/platform/WebAnimation.h" | |
46 #include "public/platform/WebAnimationCurve.h" | |
47 #include "public/platform/WebCompositorSupport.h" | |
48 #include "public/platform/WebFloatAnimationCurve.h" | |
49 #include "public/platform/WebTransformAnimationCurve.h" | |
50 #include "public/platform/WebTransformOperations.h" | |
51 | |
52 #include "wtf/OwnPtr.h" | |
53 #include "wtf/text/CString.h" | |
54 | |
55 using namespace std; | |
56 using namespace WebKit; | |
57 | |
58 namespace WebCore { | |
59 | |
60 PassOwnPtr<WebTransformOperations> toWebTransformOperations(const TransformOpera
tions& transformOperations, const FloatSize& boxSize) | |
61 { | |
62 // We need to do a deep copy the transformOperations may contain ref pointer
s to TransformOperation objects. | |
63 OwnPtr<WebTransformOperations> webTransformOperations = adoptPtr(Platform::c
urrent()->compositorSupport()->createTransformOperations()); | |
64 if (!webTransformOperations) | |
65 return nullptr; | |
66 for (size_t j = 0; j < transformOperations.size(); ++j) { | |
67 TransformOperation::OperationType operationType = transformOperations.op
erations()[j]->getOperationType(); | |
68 switch (operationType) { | |
69 case TransformOperation::ScaleX: | |
70 case TransformOperation::ScaleY: | |
71 case TransformOperation::ScaleZ: | |
72 case TransformOperation::Scale3D: | |
73 case TransformOperation::Scale: { | |
74 ScaleTransformOperation* transform = static_cast<ScaleTransformOpera
tion*>(transformOperations.operations()[j].get()); | |
75 webTransformOperations->appendScale(transform->x(), transform->y(),
transform->z()); | |
76 break; | |
77 } | |
78 case TransformOperation::TranslateX: | |
79 case TransformOperation::TranslateY: | |
80 case TransformOperation::TranslateZ: | |
81 case TransformOperation::Translate3D: | |
82 case TransformOperation::Translate: { | |
83 TranslateTransformOperation* transform = static_cast<TranslateTransf
ormOperation*>(transformOperations.operations()[j].get()); | |
84 webTransformOperations->appendTranslate(floatValueForLength(transfor
m->x(), boxSize.width()), floatValueForLength(transform->y(), boxSize.height()),
floatValueForLength(transform->z(), 1)); | |
85 break; | |
86 } | |
87 case TransformOperation::RotateX: | |
88 case TransformOperation::RotateY: | |
89 case TransformOperation::Rotate3D: | |
90 case TransformOperation::Rotate: { | |
91 RotateTransformOperation* transform = static_cast<RotateTransformOpe
ration*>(transformOperations.operations()[j].get()); | |
92 webTransformOperations->appendRotate(transform->x(), transform->y(),
transform->z(), transform->angle()); | |
93 break; | |
94 } | |
95 case TransformOperation::SkewX: | |
96 case TransformOperation::SkewY: | |
97 case TransformOperation::Skew: { | |
98 SkewTransformOperation* transform = static_cast<SkewTransformOperati
on*>(transformOperations.operations()[j].get()); | |
99 webTransformOperations->appendSkew(transform->angleX(), transform->a
ngleY()); | |
100 break; | |
101 } | |
102 case TransformOperation::Matrix: { | |
103 MatrixTransformOperation* transform = static_cast<MatrixTransformOpe
ration*>(transformOperations.operations()[j].get()); | |
104 TransformationMatrix m = transform->matrix(); | |
105 webTransformOperations->appendMatrix(TransformSkMatrix44Conversions:
:convert(m)); | |
106 break; | |
107 } | |
108 case TransformOperation::Matrix3D: { | |
109 Matrix3DTransformOperation* transform = static_cast<Matrix3DTransfor
mOperation*>(transformOperations.operations()[j].get()); | |
110 TransformationMatrix m = transform->matrix(); | |
111 webTransformOperations->appendMatrix(TransformSkMatrix44Conversions:
:convert(m)); | |
112 break; | |
113 } | |
114 case TransformOperation::Perspective: { | |
115 PerspectiveTransformOperation* transform = static_cast<PerspectiveTr
ansformOperation*>(transformOperations.operations()[j].get()); | |
116 webTransformOperations->appendPerspective(floatValueForLength(transf
orm->perspective(), 0)); | |
117 break; | |
118 } | |
119 case TransformOperation::Interpolated: { | |
120 TransformationMatrix m; | |
121 transformOperations.operations()[j]->apply(m, boxSize); | |
122 webTransformOperations->appendMatrix(TransformSkMatrix44Conversions:
:convert(m)); | |
123 break; | |
124 } | |
125 case TransformOperation::Identity: | |
126 webTransformOperations->appendIdentity(); | |
127 break; | |
128 case TransformOperation::None: | |
129 // Do nothing. | |
130 break; | |
131 } // switch | |
132 } // for each operation | |
133 | |
134 return webTransformOperations.release(); | |
135 } | |
136 | |
137 template <class Value, class Keyframe, class Curve> | |
138 bool appendKeyframeWithStandardTimingFunction(Curve* curve, double keyTime, cons
t Value* value, const Value* lastValue, WebKit::WebAnimationCurve::TimingFunctio
nType timingFunctionType, const FloatSize&) | |
139 { | |
140 curve->add(Keyframe(keyTime, value->value()), timingFunctionType); | |
141 return true; | |
142 } | |
143 | |
144 template <class Value, class Keyframe, class Curve> | |
145 bool appendKeyframeWithCustomBezierTimingFunction(Curve* curve, double keyTime,
const Value* value, const Value* lastValue, double x1, double y1, double x2, dou
ble y2, const FloatSize&) | |
146 { | |
147 curve->add(Keyframe(keyTime, value->value()), x1, y1, x2, y2); | |
148 return true; | |
149 } | |
150 | |
151 bool isRotationType(TransformOperation::OperationType transformType) | |
152 { | |
153 return transformType == TransformOperation::Rotate | |
154 || transformType == TransformOperation::RotateX | |
155 || transformType == TransformOperation::RotateY | |
156 || transformType == TransformOperation::RotateZ | |
157 || transformType == TransformOperation::Rotate3D; | |
158 } | |
159 | |
160 template <> | |
161 bool appendKeyframeWithStandardTimingFunction<TransformAnimationValue, WebTransf
ormKeyframe, WebTransformAnimationCurve>(WebTransformAnimationCurve* curve, doub
le keyTime, const TransformAnimationValue* value, const TransformAnimationValue*
lastValue, WebKit::WebAnimationCurve::TimingFunctionType timingFunctionType, co
nst FloatSize& boxSize) | |
162 { | |
163 bool canBlend = !lastValue; | |
164 OwnPtr<WebTransformOperations> operations(toWebTransformOperations(*value->v
alue(), boxSize)); | |
165 if (!operations) | |
166 return false; | |
167 if (!canBlend) { | |
168 OwnPtr<WebTransformOperations> lastOperations(toWebTransformOperations(*
lastValue->value(), boxSize)); | |
169 if (!lastOperations) | |
170 return false; | |
171 canBlend = lastOperations->canBlendWith(*operations); | |
172 } | |
173 if (canBlend) { | |
174 curve->add(WebTransformKeyframe(keyTime, operations.leakPtr()), timingFu
nctionType); | |
175 return true; | |
176 } | |
177 return false; | |
178 } | |
179 | |
180 template <> | |
181 bool appendKeyframeWithCustomBezierTimingFunction<TransformAnimationValue, WebTr
ansformKeyframe, WebTransformAnimationCurve>(WebTransformAnimationCurve* curve,
double keyTime, const TransformAnimationValue* value, const TransformAnimationVa
lue* lastValue, double x1, double y1, double x2, double y2, const FloatSize& box
Size) | |
182 { | |
183 bool canBlend = !lastValue; | |
184 OwnPtr<WebTransformOperations> operations(toWebTransformOperations(*value->v
alue(), boxSize)); | |
185 if (!operations) | |
186 return false; | |
187 if (!canBlend) { | |
188 OwnPtr<WebTransformOperations> lastOperations(toWebTransformOperations(*
lastValue->value(), boxSize)); | |
189 if (!lastOperations) | |
190 return false; | |
191 canBlend = lastOperations->canBlendWith(*operations); | |
192 } | |
193 if (canBlend) { | |
194 curve->add(WebTransformKeyframe(keyTime, operations.leakPtr()), x1, y1,
x2, y2); | |
195 return true; | |
196 } | |
197 return false; | |
198 } | |
199 | |
200 template <class Value, class Keyframe, class Curve> | |
201 PassOwnPtr<WebKit::WebAnimation> createWebAnimation(const KeyframeValueList& val
ueList, const CSSAnimationData* animation, int animationId, double timeOffset, C
urve* curve, WebKit::WebAnimation::TargetProperty targetProperty, const FloatSiz
e& boxSize) | |
202 { | |
203 bool alternate = false; | |
204 bool reverse = false; | |
205 if (animation && animation->isDirectionSet()) { | |
206 CSSAnimationData::AnimationDirection direction = animation->direction(); | |
207 if (direction == CSSAnimationData::AnimationDirectionAlternate || direct
ion == CSSAnimationData::AnimationDirectionAlternateReverse) | |
208 alternate = true; | |
209 if (direction == CSSAnimationData::AnimationDirectionReverse || directio
n == CSSAnimationData::AnimationDirectionAlternateReverse) | |
210 reverse = true; | |
211 } | |
212 | |
213 for (size_t i = 0; i < valueList.size(); i++) { | |
214 size_t index = reverse ? valueList.size() - i - 1 : i; | |
215 const Value* originalValue = static_cast<const Value*>(valueList.at(inde
x)); | |
216 const Value* lastOriginalValue = 0; | |
217 if (valueList.size() > 1 && ((reverse && index + 1 < valueList.size()) |
| (!reverse && index > 0))) | |
218 lastOriginalValue = static_cast<const Value*>(valueList.at(reverse ?
index + 1 : index - 1)); | |
219 | |
220 const TimingFunction* originalTimingFunction = originalValue->timingFunc
tion(); | |
221 | |
222 // If there hasn't been a timing function associated with this keyframe,
use the | |
223 // animation's timing function, if we have one. | |
224 if (!originalTimingFunction && animation->isTimingFunctionSet()) | |
225 originalTimingFunction = animation->timingFunction(); | |
226 | |
227 // Ease is the default timing function. | |
228 WebKit::WebAnimationCurve::TimingFunctionType timingFunctionType = WebKi
t::WebAnimationCurve::TimingFunctionTypeEase; | |
229 | |
230 bool isUsingCustomBezierTimingFunction = false; | |
231 double x1 = 0; | |
232 double y1 = 0; | |
233 double x2 = 1; | |
234 double y2 = 1; | |
235 | |
236 if (originalTimingFunction) { | |
237 switch (originalTimingFunction->type()) { | |
238 case TimingFunction::StepsFunction: | |
239 // FIXME: add support for steps timing function. | |
240 return nullptr; | |
241 case TimingFunction::LinearFunction: | |
242 timingFunctionType = WebKit::WebAnimationCurve::TimingFunctionTy
peLinear; | |
243 break; | |
244 case TimingFunction::CubicBezierFunction: | |
245 { | |
246 const CubicBezierTimingFunction* originalBezierTimingFunctio
n = static_cast<const CubicBezierTimingFunction*>(originalTimingFunction); | |
247 isUsingCustomBezierTimingFunction = true; | |
248 x1 = originalBezierTimingFunction->x1(); | |
249 y1 = originalBezierTimingFunction->y1(); | |
250 x2 = originalBezierTimingFunction->x2(); | |
251 y2 = originalBezierTimingFunction->y2(); | |
252 break; | |
253 } | |
254 default: | |
255 ASSERT_NOT_REACHED(); | |
256 } // switch | |
257 } | |
258 | |
259 double duration = (animation && animation->isDurationSet()) ? animation-
>duration() : 1; | |
260 double keyTime = originalValue->keyTime() * duration; | |
261 | |
262 if (reverse) | |
263 keyTime = duration - keyTime; | |
264 | |
265 bool addedKeyframe = false; | |
266 if (isUsingCustomBezierTimingFunction) | |
267 addedKeyframe = appendKeyframeWithCustomBezierTimingFunction<Value,
Keyframe, Curve>(curve, keyTime, originalValue, lastOriginalValue, x1, y1, x2, y
2, boxSize); | |
268 else | |
269 addedKeyframe = appendKeyframeWithStandardTimingFunction<Value, Keyf
rame, Curve>(curve, keyTime, originalValue, lastOriginalValue, timingFunctionTyp
e, boxSize); | |
270 if (!addedKeyframe) | |
271 return nullptr; | |
272 } | |
273 | |
274 OwnPtr<WebKit::WebAnimation> webAnimation = adoptPtr(Platform::current()->co
mpositorSupport()->createAnimation(*curve, targetProperty, animationId)); | |
275 | |
276 int iterations = (animation && animation->isIterationCountSet()) ? animation
->iterationCount() : 1; | |
277 webAnimation->setIterations(iterations); | |
278 webAnimation->setAlternatesDirection(alternate); | |
279 | |
280 // If timeOffset > 0, then the animation has started in the past. | |
281 webAnimation->setTimeOffset(timeOffset); | |
282 | |
283 return webAnimation.release(); | |
284 } | |
285 | |
286 PassOwnPtr<WebKit::WebAnimation> createWebAnimation(const KeyframeValueList& val
ues, const CSSAnimationData* animation, int animationId, double timeOffset, cons
t FloatSize& boxSize) | |
287 { | |
288 | |
289 | |
290 if (values.property() == AnimatedPropertyWebkitTransform) { | |
291 OwnPtr<WebTransformAnimationCurve> curve = adoptPtr(Platform::current()-
>compositorSupport()->createTransformAnimationCurve()); | |
292 return createWebAnimation<TransformAnimationValue, WebTransformKeyframe,
WebTransformAnimationCurve>(values, animation, animationId, timeOffset, curve.g
et(), WebKit::WebAnimation::TargetPropertyTransform, FloatSize(boxSize)); | |
293 } | |
294 | |
295 if (values.property() == AnimatedPropertyOpacity) { | |
296 OwnPtr<WebFloatAnimationCurve> curve = adoptPtr(Platform::current()->com
positorSupport()->createFloatAnimationCurve()); | |
297 return createWebAnimation<FloatAnimationValue, WebFloatKeyframe, WebFloa
tAnimationCurve>(values, animation, animationId, timeOffset, curve.get(), WebKit
::WebAnimation::TargetPropertyOpacity, FloatSize()); | |
298 } | |
299 | |
300 return nullptr; | |
301 } | |
302 | |
303 } // namespace WebCore | |
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