void KeyframeAnimation::animate(CompositeAnimation*, RenderObject*, const RenderStyle*, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle) { // Fire the start timeout if needed fireAnimationEventsIfNeeded(); // If we have not yet started, we will not have a valid start time, so just start the animation if needed. if (isNew() && m_animation->playState() == AnimPlayStatePlaying) updateStateMachine(AnimationStateInputStartAnimation, -1); // If we get this far and the animation is done, it means we are cleaning up a just finished animation. // If so, we need to send back the targetStyle. if (postActive()) { if (!animatedStyle) animatedStyle = const_cast<RenderStyle*>(targetStyle); return; } // If we are waiting for the start timer, we don't want to change the style yet. // Special case 1 - if the delay time is 0, then we do want to set the first frame of the // animation right away. This avoids a flash when the animation starts. // Special case 2 - if there is a backwards fill mode, then we want to continue // through to the style blend so that we get the fromStyle. if (waitingToStart() && m_animation->delay() > 0 && !m_animation->fillsBackwards()) return; // FIXME: we need to be more efficient about determining which keyframes we are animating between. // We should cache the last pair or something. // Get the from/to styles and progress between const RenderStyle* fromStyle = 0; const RenderStyle* toStyle = 0; double progress; getKeyframeAnimationInterval(fromStyle, toStyle, progress); // If either style is 0 we have an invalid case, just stop the animation. if (!fromStyle || !toStyle) { updateStateMachine(AnimationStateInputEndAnimation, -1); return; } // Run a cycle of animation. // We know we will need a new render style, so make one if needed. if (!animatedStyle) animatedStyle = RenderStyle::clone(targetStyle); HashSet<int>::const_iterator endProperties = m_keyframes.endProperties(); for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) { bool needsAnim = blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress); if (needsAnim) setAnimating(); else { #if USE(ACCELERATED_COMPOSITING) // If we are running an accelerated animation, set a flag in the style // to indicate it. This can be used to make sure we get an updated // style for hit testing, etc. animatedStyle->setIsRunningAcceleratedAnimation(); #endif } } }
void KeyframeAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle) { // Get the from/to styles and progress between const RenderStyle* fromStyle = 0; const RenderStyle* toStyle = 0; double progress; getKeyframeAnimationInterval(fromStyle, toStyle, progress); // If either style is 0 we have an invalid case if (!fromStyle || !toStyle) return; if (!animatedStyle) animatedStyle = RenderStyle::clone(m_object->style()); HashSet<int>::const_iterator endProperties = m_keyframes.endProperties(); for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress); }
void KeyframeAnimation::getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle) { // If we're in the delay phase and we're not backwards filling, tell the caller // to use the current style. if (waitingToStart() && m_animation->delay() > 0 && !m_animation->fillsBackwards()) return; // Get the from/to styles and progress between const RenderStyle* fromStyle = 0; const RenderStyle* toStyle = 0; double progress; getKeyframeAnimationInterval(fromStyle, toStyle, progress); // If either style is 0 we have an invalid case if (!fromStyle || !toStyle) return; if (!animatedStyle) animatedStyle = RenderStyle::clone(m_object->style()); HashSet<int>::const_iterator endProperties = m_keyframes.endProperties(); for (HashSet<int>::const_iterator it = m_keyframes.beginProperties(); it != endProperties; ++it) blendProperties(this, *it, animatedStyle.get(), fromStyle, toStyle, progress); }