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| 1 /* | |
| 2 * Copyright (C) 2007, 2008, 2009 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 #include "core/frame/animation/AnimationController.h" | |
| 31 | |
| 32 #include "core/dom/PseudoElement.h" | |
| 33 #include "core/events/ThreadLocalEventNames.h" | |
| 34 #include "core/events/TransitionEvent.h" | |
| 35 #include "core/events/WebKitAnimationEvent.h" | |
| 36 #include "core/frame/Frame.h" | |
| 37 #include "core/frame/FrameView.h" | |
| 38 #include "core/page/Page.h" | |
| 39 #include "core/frame/animation/AnimationBase.h" | |
| 40 #include "core/frame/animation/AnimationControllerPrivate.h" | |
| 41 #include "core/frame/animation/CSSPropertyAnimation.h" | |
| 42 #include "core/frame/animation/CompositeAnimation.h" | |
| 43 #include "core/rendering/RenderView.h" | |
| 44 #include "wtf/CurrentTime.h" | |
| 45 | |
| 46 namespace WebCore { | |
| 47 | |
| 48 static const double cBeginAnimationUpdateTimeNotSet = -1; | |
| 49 | |
| 50 AnimationControllerPrivate::AnimationControllerPrivate(Frame* frame) | |
| 51 : m_animationTimer(this, &AnimationControllerPrivate::animationTimerFired) | |
| 52 , m_updateStyleIfNeededDispatcher(this, &AnimationControllerPrivate::updateS
tyleIfNeededDispatcherFired) | |
| 53 , m_frame(frame) | |
| 54 , m_beginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet) | |
| 55 , m_animationsWaitingForStyle() | |
| 56 , m_animationsWaitingForStartTimeResponse() | |
| 57 , m_animationsWaitingForAsyncStartNotification() | |
| 58 { | |
| 59 } | |
| 60 | |
| 61 AnimationControllerPrivate::~AnimationControllerPrivate() | |
| 62 { | |
| 63 } | |
| 64 | |
| 65 PassRefPtr<CompositeAnimation> AnimationControllerPrivate::accessCompositeAnimat
ion(RenderObject& renderer) | |
| 66 { | |
| 67 RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(&renderer); | |
| 68 if (!animation) { | |
| 69 animation = CompositeAnimation::create(this); | |
| 70 m_compositeAnimations.set(&renderer, animation); | |
| 71 } | |
| 72 return animation; | |
| 73 } | |
| 74 | |
| 75 bool AnimationControllerPrivate::clear(RenderObject* renderer) | |
| 76 { | |
| 77 // Return false if we didn't do anything. | |
| 78 PassRefPtr<CompositeAnimation> animation = m_compositeAnimations.take(render
er); | |
| 79 if (!animation) | |
| 80 return false; | |
| 81 animation->clearRenderer(); | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 void AnimationControllerPrivate::updateAnimations(double& timeToNextService, dou
ble& timeToNextEvent, SetNeedsStyleRecalc callSetNeedsStyleRecalc/* = DoNotCallS
etNeedsStyleRecalc*/) | |
| 86 { | |
| 87 double minTimeToNextService = -1; | |
| 88 double minTimeToNextEvent = -1; | |
| 89 bool updateStyleNeeded = false; | |
| 90 | |
| 91 RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimatio
ns.end(); | |
| 92 for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.beg
in(); it != animationsEnd; ++it) { | |
| 93 CompositeAnimation* compAnim = it->value.get(); | |
| 94 if (compAnim->hasAnimations()) { | |
| 95 double t = compAnim->timeToNextService(); | |
| 96 if (t != -1 && (t < minTimeToNextService || minTimeToNextService ==
-1)) | |
| 97 minTimeToNextService = t; | |
| 98 double nextEvent = compAnim->timeToNextEvent(); | |
| 99 if (nextEvent != -1 && (nextEvent < minTimeToNextEvent || minTimeToN
extEvent == -1)) | |
| 100 minTimeToNextEvent = nextEvent; | |
| 101 if (callSetNeedsStyleRecalc == CallSetNeedsStyleRecalc) { | |
| 102 if (!t) { | |
| 103 Node* node = it->key->node(); | |
| 104 node->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromR
enderer); | |
| 105 updateStyleNeeded = true; | |
| 106 } | |
| 107 } else if (!minTimeToNextService && !minTimeToNextEvent) { | |
| 108 // Found the minimum values and do not need to mark for style re
calc. | |
| 109 break; | |
| 110 } | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 if (updateStyleNeeded) | |
| 115 m_frame->document()->updateStyleIfNeeded(); | |
| 116 | |
| 117 timeToNextService = minTimeToNextService; | |
| 118 timeToNextEvent = minTimeToNextEvent; | |
| 119 } | |
| 120 | |
| 121 void AnimationControllerPrivate::scheduleServiceForRenderer(RenderObject& render
er) | |
| 122 { | |
| 123 double timeToNextService = -1; | |
| 124 double timeToNextEvent = -1; | |
| 125 | |
| 126 RefPtr<CompositeAnimation> compAnim = m_compositeAnimations.get(&renderer); | |
| 127 if (compAnim->hasAnimations()) { | |
| 128 timeToNextService = compAnim->timeToNextService(); | |
| 129 timeToNextEvent = compAnim->timeToNextEvent(); | |
| 130 } | |
| 131 | |
| 132 if (timeToNextService >= 0) | |
| 133 scheduleService(timeToNextService, timeToNextEvent); | |
| 134 } | |
| 135 | |
| 136 void AnimationControllerPrivate::scheduleService() | |
| 137 { | |
| 138 double timeToNextService = -1; | |
| 139 double timeToNextEvent = -1; | |
| 140 updateAnimations(timeToNextService, timeToNextEvent, DoNotCallSetNeedsStyleR
ecalc); | |
| 141 scheduleService(timeToNextService, timeToNextEvent); | |
| 142 } | |
| 143 | |
| 144 void AnimationControllerPrivate::scheduleService(double timeToNextService, doubl
e timeToNextEvent) | |
| 145 { | |
| 146 if (!m_frame->page()) | |
| 147 return; | |
| 148 | |
| 149 bool visible = m_frame->page()->visibilityState() == WebCore::PageVisibility
StateVisible; | |
| 150 | |
| 151 // This std::max to 1 second limits how often we service animations on backg
round tabs. | |
| 152 // Without this, plus and gmail were recalculating style as every 200ms or e
ven more | |
| 153 // often, burning CPU needlessly for background tabs. | |
| 154 // FIXME: Do we want to fire events at all on background tabs? | |
| 155 if (!visible) | |
| 156 timeToNextService = std::max(timeToNextEvent, 1.0); | |
| 157 | |
| 158 if (visible && !timeToNextService) { | |
| 159 m_frame->document()->view()->scheduleAnimation(); | |
| 160 if (m_animationTimer.isActive()) | |
| 161 m_animationTimer.stop(); | |
| 162 return; | |
| 163 } | |
| 164 | |
| 165 if (timeToNextService < 0) { | |
| 166 if (m_animationTimer.isActive()) | |
| 167 m_animationTimer.stop(); | |
| 168 return; | |
| 169 } | |
| 170 | |
| 171 if (m_animationTimer.isActive() && m_animationTimer.nextFireInterval() <= ti
meToNextService) | |
| 172 return; | |
| 173 | |
| 174 m_animationTimer.startOneShot(timeToNextService); | |
| 175 } | |
| 176 | |
| 177 void AnimationControllerPrivate::updateStyleIfNeededDispatcherFired(Timer<Animat
ionControllerPrivate>*) | |
| 178 { | |
| 179 fireEventsAndUpdateStyle(); | |
| 180 } | |
| 181 | |
| 182 void AnimationControllerPrivate::fireEventsAndUpdateStyle() | |
| 183 { | |
| 184 // Protect the frame from getting destroyed in the event handler | |
| 185 RefPtr<Frame> protector = m_frame; | |
| 186 | |
| 187 bool updateStyle = !m_eventsToDispatch.isEmpty() || !m_nodeChangesToDispatch
.isEmpty(); | |
| 188 | |
| 189 // fire all the events | |
| 190 Vector<EventToDispatch> eventsToDispatch = m_eventsToDispatch; | |
| 191 m_eventsToDispatch.clear(); | |
| 192 Vector<EventToDispatch>::const_iterator eventsToDispatchEnd = eventsToDispat
ch.end(); | |
| 193 for (Vector<EventToDispatch>::const_iterator it = eventsToDispatch.begin();
it != eventsToDispatchEnd; ++it) { | |
| 194 Element* element = it->element.get(); | |
| 195 if (it->eventType == EventTypeNames::transitionend) | |
| 196 element->dispatchEvent(TransitionEvent::create(it->eventType, it->na
me, it->elapsedTime, PseudoElement::pseudoElementNameForEvents(element->pseudoId
()))); | |
| 197 else | |
| 198 element->dispatchEvent(WebKitAnimationEvent::create(it->eventType, i
t->name, it->elapsedTime)); | |
| 199 } | |
| 200 | |
| 201 // call setChanged on all the elements | |
| 202 Vector<RefPtr<Node> >::const_iterator nodeChangesToDispatchEnd = m_nodeChang
esToDispatch.end(); | |
| 203 for (Vector<RefPtr<Node> >::const_iterator it = m_nodeChangesToDispatch.begi
n(); it != nodeChangesToDispatchEnd; ++it) | |
| 204 (*it)->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer); | |
| 205 | |
| 206 m_nodeChangesToDispatch.clear(); | |
| 207 | |
| 208 if (updateStyle && m_frame) | |
| 209 m_frame->document()->updateStyleIfNeeded(); | |
| 210 } | |
| 211 | |
| 212 void AnimationControllerPrivate::startUpdateStyleIfNeededDispatcher() | |
| 213 { | |
| 214 if (!m_updateStyleIfNeededDispatcher.isActive()) | |
| 215 m_updateStyleIfNeededDispatcher.startOneShot(0); | |
| 216 } | |
| 217 | |
| 218 void AnimationControllerPrivate::addEventToDispatch(PassRefPtr<Element> element,
const AtomicString& eventType, const String& name, double elapsedTime) | |
| 219 { | |
| 220 m_eventsToDispatch.grow(m_eventsToDispatch.size()+1); | |
| 221 EventToDispatch& event = m_eventsToDispatch[m_eventsToDispatch.size()-1]; | |
| 222 event.element = element; | |
| 223 event.eventType = eventType; | |
| 224 event.name = name; | |
| 225 event.elapsedTime = elapsedTime; | |
| 226 | |
| 227 startUpdateStyleIfNeededDispatcher(); | |
| 228 } | |
| 229 | |
| 230 void AnimationControllerPrivate::addNodeChangeToDispatch(PassRefPtr<Node> node) | |
| 231 { | |
| 232 if (!node) | |
| 233 return; | |
| 234 | |
| 235 m_nodeChangesToDispatch.append(node); | |
| 236 startUpdateStyleIfNeededDispatcher(); | |
| 237 } | |
| 238 | |
| 239 void AnimationControllerPrivate::serviceAnimations() | |
| 240 { | |
| 241 double timeToNextService = -1; | |
| 242 double timeToNextEvent = -1; | |
| 243 updateAnimations(timeToNextService, timeToNextEvent, CallSetNeedsStyleRecalc
); | |
| 244 scheduleService(timeToNextService, timeToNextEvent); | |
| 245 | |
| 246 // Fire events right away, to avoid a flash of unanimated style after an ani
mation completes, and before | |
| 247 // the 'end' event fires. | |
| 248 fireEventsAndUpdateStyle(); | |
| 249 } | |
| 250 | |
| 251 void AnimationControllerPrivate::animationTimerFired(Timer<AnimationControllerPr
ivate>*) | |
| 252 { | |
| 253 // Make sure animationUpdateTime is updated, so that it is current even if n
o | |
| 254 // styleChange has happened (e.g. accelerated animations) | |
| 255 setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet); | |
| 256 serviceAnimations(); | |
| 257 } | |
| 258 | |
| 259 bool AnimationControllerPrivate::isRunningAnimationOnRenderer(RenderObject* rend
erer, CSSPropertyID property, bool isRunningNow) const | |
| 260 { | |
| 261 RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer); | |
| 262 if (!animation) | |
| 263 return false; | |
| 264 | |
| 265 return animation->isAnimatingProperty(property, false, isRunningNow); | |
| 266 } | |
| 267 | |
| 268 bool AnimationControllerPrivate::isRunningAcceleratableAnimationOnRenderer(Rende
rObject *renderer) const | |
| 269 { | |
| 270 RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer); | |
| 271 if (!animation) | |
| 272 return false; | |
| 273 | |
| 274 bool acceleratedOnly = false; | |
| 275 bool isRunningNow = true; | |
| 276 return animation->isAnimatingProperty(CSSPropertyOpacity, acceleratedOnly, i
sRunningNow) | |
| 277 || animation->isAnimatingProperty(CSSPropertyWebkitTransform, accelerate
dOnly, isRunningNow) | |
| 278 || animation->isAnimatingProperty(CSSPropertyWebkitFilter, acceleratedOn
ly, isRunningNow); | |
| 279 } | |
| 280 | |
| 281 bool AnimationControllerPrivate::isRunningAcceleratedAnimationOnRenderer(RenderO
bject* renderer, CSSPropertyID property, bool isRunningNow) const | |
| 282 { | |
| 283 RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer); | |
| 284 if (!animation) | |
| 285 return false; | |
| 286 | |
| 287 return animation->isAnimatingProperty(property, true, isRunningNow); | |
| 288 } | |
| 289 | |
| 290 void AnimationControllerPrivate::pauseAnimationsForTesting(double t) | |
| 291 { | |
| 292 RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimatio
ns.end(); | |
| 293 for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.beg
in(); it != animationsEnd; ++it) { | |
| 294 it->value->pauseAnimationsForTesting(t); | |
| 295 it->key->node()->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRe
nderer); | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 double AnimationControllerPrivate::beginAnimationUpdateTime() | |
| 300 { | |
| 301 if (m_beginAnimationUpdateTime == cBeginAnimationUpdateTimeNotSet) | |
| 302 m_beginAnimationUpdateTime = currentTime(); | |
| 303 return m_beginAnimationUpdateTime; | |
| 304 } | |
| 305 | |
| 306 void AnimationControllerPrivate::endAnimationUpdate() | |
| 307 { | |
| 308 styleAvailable(); | |
| 309 if (m_animationsWaitingForAsyncStartNotification.isEmpty()) | |
| 310 startTimeResponse(beginAnimationUpdateTime()); | |
| 311 } | |
| 312 | |
| 313 void AnimationControllerPrivate::receivedStartTimeResponse(double time) | |
| 314 { | |
| 315 startTimeResponse(time); | |
| 316 } | |
| 317 | |
| 318 PassRefPtr<RenderStyle> AnimationControllerPrivate::getAnimatedStyleForRenderer(
RenderObject* renderer) | |
| 319 { | |
| 320 if (!renderer) | |
| 321 return 0; | |
| 322 | |
| 323 RefPtr<CompositeAnimation> rendererAnimations = m_compositeAnimations.get(re
nderer); | |
| 324 if (!rendererAnimations) | |
| 325 return renderer->style(); | |
| 326 | |
| 327 RefPtr<RenderStyle> animatingStyle = rendererAnimations->getAnimatedStyle(); | |
| 328 if (!animatingStyle) | |
| 329 animatingStyle = renderer->style(); | |
| 330 | |
| 331 return animatingStyle.release(); | |
| 332 } | |
| 333 | |
| 334 unsigned AnimationControllerPrivate::numberOfActiveAnimations(Document* document
) const | |
| 335 { | |
| 336 unsigned count = 0; | |
| 337 | |
| 338 RenderObjectAnimationMap::const_iterator animationsEnd = m_compositeAnimatio
ns.end(); | |
| 339 for (RenderObjectAnimationMap::const_iterator it = m_compositeAnimations.beg
in(); it != animationsEnd; ++it) { | |
| 340 RenderObject* renderer = it->key; | |
| 341 CompositeAnimation* compAnim = it->value.get(); | |
| 342 if (renderer->document() == document) | |
| 343 count += compAnim->numberOfActiveAnimations(); | |
| 344 } | |
| 345 | |
| 346 return count; | |
| 347 } | |
| 348 | |
| 349 void AnimationControllerPrivate::addToAnimationsWaitingForStyle(AnimationBase* a
nimation) | |
| 350 { | |
| 351 // Make sure this animation is not in the start time waiters | |
| 352 m_animationsWaitingForStartTimeResponse.remove(animation); | |
| 353 m_animationsWaitingForAsyncStartNotification.remove(animation); | |
| 354 | |
| 355 m_animationsWaitingForStyle.add(animation); | |
| 356 } | |
| 357 | |
| 358 void AnimationControllerPrivate::removeFromAnimationsWaitingForStyle(AnimationBa
se* animationToRemove) | |
| 359 { | |
| 360 m_animationsWaitingForStyle.remove(animationToRemove); | |
| 361 } | |
| 362 | |
| 363 void AnimationControllerPrivate::styleAvailable() | |
| 364 { | |
| 365 // Go through list of waiters and send them on their way | |
| 366 WaitingAnimationsSet::const_iterator it = m_animationsWaitingForStyle.begin(
); | |
| 367 WaitingAnimationsSet::const_iterator end = m_animationsWaitingForStyle.end()
; | |
| 368 for (; it != end; ++it) | |
| 369 (*it)->styleAvailable(); | |
| 370 | |
| 371 m_animationsWaitingForStyle.clear(); | |
| 372 } | |
| 373 | |
| 374 void AnimationControllerPrivate::addToAnimationsWaitingForStartTimeResponse(Anim
ationBase* animation, bool willGetResponse) | |
| 375 { | |
| 376 // If willGetResponse is true, it means this animation is actually waiting f
or a response | |
| 377 // (which will come in as a call to notifyAnimationStarted()). | |
| 378 // In that case we don't need to add it to this list. We just set a waitingF
orAResponse flag | |
| 379 // which says we are waiting for the response. If willGetResponse is false,
this animation | |
| 380 // is not waiting for a response for itself, but rather for a notifyXXXStart
ed() call for | |
| 381 // another animation to which it will sync. | |
| 382 // | |
| 383 // When endAnimationUpdate() is called we check to see if the waitingForARes
ponse flag is | |
| 384 // true. If so, we just return and will do our work when the first notifyXXX
Started() call | |
| 385 // comes in. If it is false, we will not be getting a notifyXXXStarted() cal
l, so we will | |
| 386 // do our work right away. In both cases we call the onAnimationStartRespons
e() method | |
| 387 // on each animation. In the first case we send in the time we got from noti
fyXXXStarted(). | |
| 388 // In the second case, we just pass in the beginAnimationUpdateTime(). | |
| 389 // | |
| 390 // This will synchronize all software and accelerated animations started in
the same | |
| 391 // updateStyleIfNeeded cycle. | |
| 392 // | |
| 393 | |
| 394 if (willGetResponse) | |
| 395 m_animationsWaitingForAsyncStartNotification.add(animation); | |
| 396 | |
| 397 m_animationsWaitingForStartTimeResponse.add(animation); | |
| 398 } | |
| 399 | |
| 400 void AnimationControllerPrivate::removeFromAnimationsWaitingForStartTimeResponse
(AnimationBase* animationToRemove) | |
| 401 { | |
| 402 m_animationsWaitingForStartTimeResponse.remove(animationToRemove); | |
| 403 m_animationsWaitingForAsyncStartNotification.remove(animationToRemove); | |
| 404 } | |
| 405 | |
| 406 void AnimationControllerPrivate::startTimeResponse(double time) | |
| 407 { | |
| 408 // Go through list of waiters and send them on their way | |
| 409 | |
| 410 WaitingAnimationsSet::const_iterator it = m_animationsWaitingForStartTimeRes
ponse.begin(); | |
| 411 WaitingAnimationsSet::const_iterator end = m_animationsWaitingForStartTimeRe
sponse.end(); | |
| 412 for (; it != end; ++it) | |
| 413 (*it)->onAnimationStartResponse(time); | |
| 414 | |
| 415 m_animationsWaitingForStartTimeResponse.clear(); | |
| 416 m_animationsWaitingForAsyncStartNotification.clear(); | |
| 417 } | |
| 418 | |
| 419 void AnimationControllerPrivate::animationWillBeRemoved(AnimationBase* animation
) | |
| 420 { | |
| 421 removeFromAnimationsWaitingForStyle(animation); | |
| 422 removeFromAnimationsWaitingForStartTimeResponse(animation); | |
| 423 } | |
| 424 | |
| 425 AnimationController::AnimationController(Frame* frame) | |
| 426 : m_data(adoptPtr(new AnimationControllerPrivate(frame))) | |
| 427 , m_beginAnimationUpdateCount(0) | |
| 428 { | |
| 429 } | |
| 430 | |
| 431 AnimationController::~AnimationController() | |
| 432 { | |
| 433 } | |
| 434 | |
| 435 void AnimationController::cancelAnimations(RenderObject* renderer) | |
| 436 { | |
| 437 if (!m_data->hasAnimations()) | |
| 438 return; | |
| 439 | |
| 440 if (m_data->clear(renderer)) { | |
| 441 if (Node* node = renderer->node()) | |
| 442 node->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer)
; | |
| 443 } | |
| 444 } | |
| 445 | |
| 446 PassRefPtr<RenderStyle> AnimationController::updateAnimations(RenderObject& rend
erer, RenderStyle& newStyle) | |
| 447 { | |
| 448 RenderStyle* oldStyle = renderer.style(); | |
| 449 | |
| 450 if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) &&
(!newStyle.animations() && !newStyle.transitions())) | |
| 451 return PassRefPtr<RenderStyle>(newStyle); | |
| 452 | |
| 453 // Don't run transitions when printing. | |
| 454 if (renderer.view()->document().printing()) | |
| 455 return PassRefPtr<RenderStyle>(newStyle); | |
| 456 | |
| 457 // Fetch our current set of implicit animations from a hashtable. We then c
ompare them | |
| 458 // against the animations in the style and make sure we're in sync. If dest
ination values | |
| 459 // have changed, we reset the animation. We then do a blend to get new valu
es and we return | |
| 460 // a new style. | |
| 461 | |
| 462 // We don't support anonymous pseudo elements like :first-line or :first-let
ter. | |
| 463 ASSERT(renderer.node()); | |
| 464 | |
| 465 RefPtr<CompositeAnimation> rendererAnimations = m_data->accessCompositeAnima
tion(renderer); | |
| 466 RefPtr<RenderStyle> blendedStyle = rendererAnimations->animate(renderer, old
Style, newStyle); | |
| 467 | |
| 468 if (renderer.parent() || newStyle.animations() || (oldStyle && oldStyle->ani
mations())) { | |
| 469 m_data->scheduleServiceForRenderer(renderer); | |
| 470 } | |
| 471 | |
| 472 if (blendedStyle != &newStyle) { | |
| 473 // If the animations/transitions change opacity or transform, we need to
update | |
| 474 // the style to impose the stacking rules. Note that this is also | |
| 475 // done in StyleResolver::adjustRenderStyle(). | |
| 476 if (blendedStyle->hasAutoZIndex() && (blendedStyle->opacity() < 1.0f ||
blendedStyle->hasTransform())) | |
| 477 blendedStyle->setZIndex(0); | |
| 478 } | |
| 479 return blendedStyle.release(); | |
| 480 } | |
| 481 | |
| 482 PassRefPtr<RenderStyle> AnimationController::getAnimatedStyleForRenderer(RenderO
bject* renderer) | |
| 483 { | |
| 484 return m_data->getAnimatedStyleForRenderer(renderer); | |
| 485 } | |
| 486 | |
| 487 void AnimationController::notifyAnimationStarted(RenderObject*, double startTime
) | |
| 488 { | |
| 489 m_data->receivedStartTimeResponse(startTime); | |
| 490 } | |
| 491 | |
| 492 void AnimationController::pauseAnimationsForTesting(double t) | |
| 493 { | |
| 494 m_data->pauseAnimationsForTesting(t); | |
| 495 } | |
| 496 | |
| 497 unsigned AnimationController::numberOfActiveAnimations(Document* document) const | |
| 498 { | |
| 499 return m_data->numberOfActiveAnimations(document); | |
| 500 } | |
| 501 | |
| 502 bool AnimationController::isRunningAnimationOnRenderer(RenderObject* renderer, C
SSPropertyID property, bool isRunningNow) const | |
| 503 { | |
| 504 return m_data->isRunningAnimationOnRenderer(renderer, property, isRunningNow
); | |
| 505 } | |
| 506 | |
| 507 bool AnimationController::isRunningAcceleratableAnimationOnRenderer(RenderObject
* renderer) const | |
| 508 { | |
| 509 return m_data->isRunningAcceleratableAnimationOnRenderer(renderer); | |
| 510 } | |
| 511 | |
| 512 bool AnimationController::isRunningAcceleratedAnimationOnRenderer(RenderObject*
renderer, CSSPropertyID property, bool isRunningNow) const | |
| 513 { | |
| 514 return m_data->isRunningAcceleratedAnimationOnRenderer(renderer, property, i
sRunningNow); | |
| 515 } | |
| 516 | |
| 517 void AnimationController::serviceAnimations() | |
| 518 { | |
| 519 m_data->serviceAnimations(); | |
| 520 } | |
| 521 | |
| 522 void AnimationController::beginAnimationUpdate() | |
| 523 { | |
| 524 if (!m_beginAnimationUpdateCount) | |
| 525 m_data->setBeginAnimationUpdateTime(cBeginAnimationUpdateTimeNotSet); | |
| 526 ++m_beginAnimationUpdateCount; | |
| 527 } | |
| 528 | |
| 529 void AnimationController::endAnimationUpdate() | |
| 530 { | |
| 531 ASSERT(m_beginAnimationUpdateCount > 0); | |
| 532 --m_beginAnimationUpdateCount; | |
| 533 if (!m_beginAnimationUpdateCount) | |
| 534 m_data->endAnimationUpdate(); | |
| 535 } | |
| 536 | |
| 537 bool AnimationController::supportsAcceleratedAnimationOfProperty(CSSPropertyID p
roperty) | |
| 538 { | |
| 539 return CSSPropertyAnimation::animationOfPropertyIsAccelerated(property); | |
| 540 } | |
| 541 | |
| 542 } // namespace WebCore | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 139273007:
Web Animations: Remove legacy animations engine. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk