OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (C) 2007 Apple 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 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
14 * its contributors may be used to endorse or promote products derived | |
15 * from this software without specific prior written permission. | |
16 * | |
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #include "config.h" | |
30 | |
31 #include "core/events/ThreadLocalEventNames.h" | |
32 #include "core/frame/UseCounter.h" | |
33 #include "core/frame/animation/AnimationControllerPrivate.h" | |
34 #include "core/frame/animation/CSSPropertyAnimation.h" | |
35 #include "core/frame/animation/CompositeAnimation.h" | |
36 #include "core/frame/animation/ImplicitAnimation.h" | |
37 #include "core/frame/animation/KeyframeAnimation.h" | |
38 #include "core/rendering/RenderBoxModelObject.h" | |
39 #include "public/platform/Platform.h" | |
40 | |
41 namespace WebCore { | |
42 | |
43 ImplicitAnimation::ImplicitAnimation(const CSSAnimationData* transition, CSSProp
ertyID animatingProperty, RenderObject& renderer, CompositeAnimation* compAnim,
RenderStyle* fromStyle) | |
44 : AnimationBase(transition, renderer, compAnim) | |
45 , m_transitionProperty(transition->property()) | |
46 , m_animatingProperty(animatingProperty) | |
47 , m_overridden(false) | |
48 , m_active(true) | |
49 , m_fromStyle(fromStyle) | |
50 { | |
51 ASSERT(animatingProperty != CSSPropertyInvalid); | |
52 blink::Platform::current()->histogramSparse("WebCore.Animation.CSSProperties
", UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(m_animatingProperty)); | |
53 } | |
54 | |
55 ImplicitAnimation::~ImplicitAnimation() | |
56 { | |
57 // // Make sure to tell the renderer that we are ending. This will make sure
any accelerated animations are removed. | |
58 if (!postActive()) | |
59 endAnimation(); | |
60 } | |
61 | |
62 bool ImplicitAnimation::shouldSendEventForListener(Document::ListenerType inList
enerType) const | |
63 { | |
64 return m_object->document().hasListenerType(inListenerType); | |
65 } | |
66 | |
67 void ImplicitAnimation::animate(CompositeAnimation*, RenderObject*, const Render
Style*, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle) | |
68 { | |
69 // If we get this far and the animation is done, it means we are cleaning up
a just finished animation. | |
70 // So just return. Everything is already all cleaned up. | |
71 if (postActive()) | |
72 return; | |
73 | |
74 // Reset to start the transition if we are new | |
75 if (isNew()) | |
76 reset(targetStyle); | |
77 | |
78 // Run a cycle of animation. | |
79 // We know we will need a new render style, so make one if needed | |
80 if (!animatedStyle) | |
81 animatedStyle = RenderStyle::clone(targetStyle); | |
82 | |
83 bool needsAnim = CSSPropertyAnimation::blendProperties(this, m_animatingProp
erty, animatedStyle.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0)
); | |
84 // FIXME: we also need to detect cases where we have to software animate for
other reasons, | |
85 // such as a child using inheriting the transform. https://bugs.webkit.org/s
how_bug.cgi?id=23902 | |
86 if (!needsAnim) | |
87 // If we are running an accelerated animation, set a flag in the style w
hich causes the style | |
88 // to compare as different to any other style. This ensures that changes
to the property | |
89 // that is animating are correctly detected during the animation (e.g. w
hen a transition | |
90 // gets interrupted). | |
91 animatedStyle->setIsRunningAcceleratedAnimation(); | |
92 | |
93 // Fire the start timeout if needed | |
94 fireAnimationEventsIfNeeded(); | |
95 } | |
96 | |
97 void ImplicitAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle) | |
98 { | |
99 if (!animatedStyle) | |
100 animatedStyle = RenderStyle::clone(m_toStyle.get()); | |
101 | |
102 CSSPropertyAnimation::blendProperties(this, m_animatingProperty, animatedSty
le.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0)); | |
103 } | |
104 | |
105 void ImplicitAnimation::startAnimation(double timeOffset) | |
106 { | |
107 if (m_object && m_object->compositingState() == PaintsIntoOwnBacking) | |
108 m_isAccelerated = toRenderBoxModelObject(m_object)->startTransition(time
Offset, m_animatingProperty, m_fromStyle.get(), m_toStyle.get()); | |
109 } | |
110 | |
111 void ImplicitAnimation::pauseAnimation(double timeOffset) | |
112 { | |
113 if (!m_object) | |
114 return; | |
115 | |
116 if (m_object && m_object->compositingState() == PaintsIntoOwnBacking && isAc
celerated()) | |
117 toRenderBoxModelObject(m_object)->transitionPaused(timeOffset, m_animati
ngProperty); | |
118 | |
119 // Restore the original (unanimated) style | |
120 if (!paused()) | |
121 setNeedsStyleRecalc(m_object->node()); | |
122 } | |
123 | |
124 void ImplicitAnimation::endAnimation() | |
125 { | |
126 if (m_object && m_object->compositingState() == PaintsIntoOwnBacking && isAc
celerated()) | |
127 toRenderBoxModelObject(m_object)->transitionFinished(m_animatingProperty
); | |
128 m_isAccelerated = false; | |
129 } | |
130 | |
131 void ImplicitAnimation::onAnimationEnd(double elapsedTime) | |
132 { | |
133 // If we have a keyframe animation on this property, this transition is bein
g overridden. The keyframe | |
134 // animation keeps an unanimated style in case a transition starts while the
keyframe animation is | |
135 // running. But now that the transition has completed, we need to update thi
s style with its new | |
136 // destination. If we didn't, the next time through we would think a transit
ion had started | |
137 // (comparing the old unanimated style with the new final style of the trans
ition). | |
138 RefPtr<KeyframeAnimation> keyframeAnim = m_compAnim->getAnimationForProperty
(m_animatingProperty); | |
139 if (keyframeAnim) | |
140 keyframeAnim->setUnanimatedStyle(m_toStyle); | |
141 | |
142 sendTransitionEvent(EventTypeNames::transitionend, elapsedTime); | |
143 endAnimation(); | |
144 } | |
145 | |
146 bool ImplicitAnimation::sendTransitionEvent(const AtomicString& eventType, doubl
e elapsedTime) | |
147 { | |
148 if (eventType == EventTypeNames::transitionend) { | |
149 Document::ListenerType listenerType = Document::TRANSITIONEND_LISTENER; | |
150 | |
151 if (shouldSendEventForListener(listenerType)) { | |
152 String propertyName = getPropertyNameString(m_animatingProperty); | |
153 | |
154 // Dispatch the event | |
155 RefPtr<Element> element = 0; | |
156 if (m_object->node() && m_object->node()->isElementNode()) | |
157 element = toElement(m_object->node()); | |
158 | |
159 if (!element) | |
160 return false; | |
161 | |
162 // Schedule event handling | |
163 m_compAnim->animationController()->addEventToDispatch(element, event
Type, propertyName, elapsedTime); | |
164 | |
165 // Restore the original (unanimated) style | |
166 if (eventType == EventTypeNames::transitionend && element->renderer(
)) | |
167 setNeedsStyleRecalc(element.get()); | |
168 | |
169 return true; // Did dispatch an event | |
170 } | |
171 } | |
172 | |
173 return false; // Didn't dispatch an event | |
174 } | |
175 | |
176 void ImplicitAnimation::reset(RenderStyle* to) | |
177 { | |
178 ASSERT(to); | |
179 ASSERT(m_fromStyle); | |
180 | |
181 m_toStyle = to; | |
182 | |
183 // Restart the transition | |
184 if (m_fromStyle && m_toStyle) | |
185 updateStateMachine(AnimationStateInputRestartAnimation, -1); | |
186 | |
187 // set the transform animation list | |
188 validateTransformFunctionList(); | |
189 checkForMatchingFilterFunctionLists(); | |
190 } | |
191 | |
192 void ImplicitAnimation::setOverridden(bool b) | |
193 { | |
194 if (b == m_overridden) | |
195 return; | |
196 | |
197 m_overridden = b; | |
198 updateStateMachine(m_overridden ? AnimationStateInputPauseOverride : Animati
onStateInputResumeOverride, -1); | |
199 } | |
200 | |
201 bool ImplicitAnimation::affectsProperty(CSSPropertyID property) const | |
202 { | |
203 return (m_animatingProperty == property); | |
204 } | |
205 | |
206 bool ImplicitAnimation::isTargetPropertyEqual(CSSPropertyID prop, const RenderSt
yle* targetStyle) | |
207 { | |
208 // We can get here for a transition that has not started yet. This would mak
e m_toStyle unset and null. | |
209 // So we check that here (see <https://bugs.webkit.org/show_bug.cgi?id=26706
>) | |
210 if (!m_toStyle) | |
211 return false; | |
212 return CSSPropertyAnimation::propertiesEqual(prop, m_toStyle.get(), targetSt
yle); | |
213 } | |
214 | |
215 void ImplicitAnimation::blendPropertyValueInStyle(CSSPropertyID prop, RenderStyl
e* currentStyle) | |
216 { | |
217 // We should never add a transition with a 0 duration and delay. But if we e
ver did | |
218 // it would have a null toStyle. So just in case, let's check that here. (Se
e | |
219 // <https://bugs.webkit.org/show_bug.cgi?id=24787> | |
220 if (!m_toStyle) | |
221 return; | |
222 | |
223 CSSPropertyAnimation::blendProperties(this, prop, currentStyle, m_fromStyle.
get(), m_toStyle.get(), progress(1, 0, 0)); | |
224 } | |
225 | |
226 void ImplicitAnimation::validateTransformFunctionList() | |
227 { | |
228 m_transformFunctionListValid = false; | |
229 | |
230 if (!m_fromStyle || !m_toStyle) | |
231 return; | |
232 | |
233 const TransformOperations* val = &m_fromStyle->transform(); | |
234 const TransformOperations* toVal = &m_toStyle->transform(); | |
235 | |
236 if (val->operations().isEmpty()) | |
237 val = toVal; | |
238 | |
239 if (val->operations().isEmpty()) | |
240 return; | |
241 | |
242 // An emtpy transform list matches anything. | |
243 if (val != toVal && !toVal->operations().isEmpty() && !val->operationsMatch(
*toVal)) | |
244 return; | |
245 | |
246 // Transform lists match. | |
247 m_transformFunctionListValid = true; | |
248 } | |
249 | |
250 void ImplicitAnimation::checkForMatchingFilterFunctionLists() | |
251 { | |
252 m_filterFunctionListsMatch = false; | |
253 | |
254 if (!m_fromStyle || !m_toStyle) | |
255 return; | |
256 | |
257 const FilterOperations* val = &m_fromStyle->filter(); | |
258 const FilterOperations* toVal = &m_toStyle->filter(); | |
259 | |
260 if (!val->canInterpolateWith(*toVal)) | |
261 return; | |
262 | |
263 // Filter lists match. | |
264 m_filterFunctionListsMatch = true; | |
265 } | |
266 | |
267 double ImplicitAnimation::timeToNextService() | |
268 { | |
269 double t = AnimationBase::timeToNextService(); | |
270 if (t != 0 || preActive()) | |
271 return t; | |
272 | |
273 // A return value of 0 means we need service. But if this is an accelerated
animation we | |
274 // only need service at the end of the transition. | |
275 if (CSSPropertyAnimation::animationOfPropertyIsAccelerated(m_animatingProper
ty) && isAccelerated()) { | |
276 bool isLooping; | |
277 getTimeToNextEvent(t, isLooping); | |
278 } | |
279 | |
280 return t; | |
281 } | |
282 | |
283 } // namespace WebCore | |
OLD | NEW |