| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef CSSAnimations_h |
| #define CSSAnimations_h |
| |
| #include "core/animation/Animation.h" |
| #include "core/animation/InertAnimation.h" |
| #include "core/animation/Player.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/dom/Document.h" |
| #include "core/platform/animation/CSSAnimationData.h" |
| #include "core/rendering/style/RenderStyleConstants.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/AtomicString.h" |
| |
| namespace WebCore { |
| |
| class CSSAnimationDataList; |
| class Element; |
| class RenderObject; |
| class StyleResolver; |
| |
| // Applied to scopes where an animation update will be added as pending and should then be applied (eg. Element style recalc). |
| class CSSAnimationUpdateScope FINAL { |
| public: |
| CSSAnimationUpdateScope(Element*); |
| ~CSSAnimationUpdateScope(); |
| private: |
| Element* m_target; |
| }; |
| |
| class CSSAnimationUpdate FINAL { |
| public: |
| void startAnimation(AtomicString& animationName, PassRefPtr<InertAnimation> animation) |
| { |
| NewAnimation newAnimation; |
| newAnimation.name = animationName; |
| newAnimation.animation = animation; |
| m_newAnimations.append(newAnimation); |
| } |
| // Returns whether player has been cancelled and should be filtered during style application. |
| bool isCancelled(const Player* player) const { return m_cancelledAnimationPlayers.contains(player); } |
| void cancelAnimation(const AtomicString& name, const Player* player) |
| { |
| m_cancelledAnimationNames.append(name); |
| m_cancelledAnimationPlayers.add(player); |
| } |
| struct NewAnimation { |
| AtomicString name; |
| RefPtr<InertAnimation> animation; |
| }; |
| const Vector<NewAnimation>& newAnimations() const { return m_newAnimations; } |
| const Vector<AtomicString>& cancelledAnimationNames() const { return m_cancelledAnimationNames; } |
| private: |
| // Order is significant since it defines the order in which new animations will be started. |
| Vector<NewAnimation> m_newAnimations; |
| Vector<AtomicString> m_cancelledAnimationNames; |
| HashSet<const Player*> m_cancelledAnimationPlayers; |
| }; |
| |
| class CSSAnimations FINAL { |
| public: |
| static bool isAnimatableProperty(CSSPropertyID); |
| static bool needsUpdate(const Element*, const RenderStyle*); |
| static PassOwnPtr<CSSAnimationUpdate> calculateUpdate(const Element*, const RenderStyle*, const CSSAnimations*, const CSSAnimationDataList*, StyleResolver*); |
| void setPendingUpdate(PassOwnPtr<CSSAnimationUpdate> update) { m_pendingUpdate = update; } |
| void maybeApplyPendingUpdate(Element*); |
| bool isEmpty() const { return m_animations.isEmpty() && !m_pendingUpdate; } |
| void cancel(); |
| private: |
| typedef HashMap<AtomicString, RefPtr<Player> > AnimationMap; |
| AnimationMap m_animations; |
| OwnPtr<CSSAnimationUpdate> m_pendingUpdate; |
| class EventDelegate FINAL : public TimedItem::EventDelegate { |
| public: |
| EventDelegate(Element* target, const AtomicString& name) |
| : m_target(target) |
| , m_name(name) |
| { |
| } |
| virtual void onEventCondition(const TimedItem*, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE; |
| private: |
| void maybeDispatch(Document::ListenerType, AtomicString& eventName, double elapsedTime); |
| Element* m_target; |
| const AtomicString m_name; |
| }; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |