Remove Animations and Transitions.

sky/engine/core/animation/AnimationPlayer.h

-/*
- * 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 SKY_ENGINE_CORE_ANIMATION_ANIMATIONPLAYER_H_
-#define SKY_ENGINE_CORE_ANIMATION_ANIMATIONPLAYER_H_
-
-#include "sky/engine/core/animation/AnimationNode.h"
-#include "sky/engine/core/dom/ActiveDOMObject.h"
-#include "sky/engine/core/events/EventTarget.h"
-#include "sky/engine/wtf/RefPtr.h"
-
-namespace blink {
-
-class AnimationTimeline;
-class ExceptionState;
-
-class AnimationPlayer final : public RefCounted<AnimationPlayer>
-    , public ActiveDOMObject
-    , public EventTargetWithInlineData {
-    DEFINE_WRAPPERTYPEINFO();
-    REFCOUNTED_EVENT_TARGET(AnimationPlayer);
-public:
-    enum AnimationPlayState {
-        Idle,
-        Pending,
-        Running,
-        Paused,
-        Finished
-    };
-
-    ~AnimationPlayer();
-    static PassRefPtr<AnimationPlayer> create(ExecutionContext*, AnimationTimeline&, AnimationNode*);
-
-    // Returns whether the player is finished.
-    bool update(TimingUpdateReason);
-
-    // timeToEffectChange returns:
-    //  infinity  - if this player is no longer in effect
-    //  0         - if this player requires an update on the next frame
-    //  n         - if this player requires an update after 'n' units of time
-    double timeToEffectChange();
-
-    void cancel();
-
-    double currentTime();
-    void setCurrentTime(double newCurrentTime);
-
-    double calculateCurrentTime() const;
-    double currentTimeInternal();
-    void setCurrentTimeInternal(double newCurrentTime, TimingUpdateReason = TimingUpdateOnDemand);
-
-    bool paused() const { return m_paused && !m_isPausedForTesting; }
-    String playState();
-    AnimationPlayState playStateInternal();
-
-    void pause();
-    void play();
-    void reverse();
-    void finish(ExceptionState&);
-    bool finished() { return limited(currentTimeInternal()); }
-    bool playing() { return !(finished() || m_paused || m_isPausedForTesting); }
-    // FIXME: Resolve whether finished() should just return the flag, and
-    // remove this method.
-    bool finishedInternal() const { return m_finished; }
-
-    virtual const AtomicString& interfaceName() const override;
-    virtual ExecutionContext* executionContext() const override;
-    virtual bool hasPendingActivity() const override;
-    virtual void stop() override;
-    virtual bool dispatchEvent(PassRefPtr<Event>) override;
-
-    double playbackRate() const { return m_playbackRate; }
-    void setPlaybackRate(double);
-    const AnimationTimeline* timeline() const { return m_timeline; }
-    AnimationTimeline* timeline() { return m_timeline; }
-
-    void timelineDestroyed() { m_timeline = nullptr; }
-
-    double calculateStartTime(double currentTime) const;
-    bool hasStartTime() const { return !isNull(m_startTime); }
-    double startTime() const;
-    double startTimeInternal() const { return m_startTime; }
-    void setStartTime(double);
-    void setStartTimeInternal(double);
-
-    const AnimationNode* source() const { return m_content.get(); }
-    AnimationNode* source() { return m_content.get(); }
-    void setSource(AnimationNode*);
-
-    // Pausing via this method is not reflected in the value returned by
-    // paused() and must never overlap with pausing via pause().
-    void pauseForTesting(double pauseTime);
-    // This should only be used for CSS
-    void unpause();
-
-    void setOutdated();
-    bool outdated() { return m_outdated; }
-
-    void setPending();
-    void notifyCompositorStartTime(double timelineTime);
-
-
-    void preCommit();
-    void postCommit(double timelineTime);
-
-    unsigned sequenceNumber() const { return m_sequenceNumber; }
-
-    static bool hasLowerPriority(AnimationPlayer* player1, AnimationPlayer* player2)
-    {
-        return player1->sequenceNumber() < player2->sequenceNumber();
-    }
-
-    // Checks if the AnimationStack is the last reference holder to the Player.
-    bool canFree() const;
-
-    virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) override;
-
-private:
-    AnimationPlayer(ExecutionContext*, AnimationTimeline&, AnimationNode*);
-    double sourceEnd() const;
-    bool limited(double currentTime) const;
-    void updateCurrentTimingState(TimingUpdateReason);
-    void unpauseInternal();
-
-    double m_playbackRate;
-
-    double m_startTime;
-    double m_holdTime;
-
-    unsigned m_sequenceNumber;
-
-    RefPtr<AnimationNode> m_content;
-    RawPtr<AnimationTimeline> m_timeline;
-    // Reflects all pausing, including via pauseForTesting().
-    bool m_paused;
-    bool m_held;
-    bool m_isPausedForTesting;
-
-    // This indicates timing information relevant to the player's effect
-    // has changed by means other than the ordinary progression of time
-    bool m_outdated;
-
-    bool m_finished;
-    // Holds a 'finished' event queued for asynchronous dispatch via the
-    // ScriptedAnimationController. This object remains active until the
-    // event is actually dispatched.
-    RefPtr<Event> m_pendingFinishedEvent;
-
-    bool m_pending;
-    bool m_currentTimePending;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATIONPLAYER_H_