2011-04-12 10:18:44 +04:00
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/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is nsAnimationManager, an implementation of part
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* of css3-animations.
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsAnimationManager_h_
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#define nsAnimationManager_h_
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#include "AnimationCommon.h"
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#include "nsCSSPseudoElements.h"
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#include "nsStyleContext.h"
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2011-08-11 17:29:50 +04:00
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#include "nsDataHashtable.h"
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2011-04-12 10:18:44 +04:00
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#include "nsGUIEvent.h"
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#include "mozilla/TimeStamp.h"
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#include "nsThreadUtils.h"
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2011-04-12 10:18:44 +04:00
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class nsCSSKeyframesRule;
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2011-04-23 05:36:23 +04:00
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struct AnimationPropertySegment;
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2011-04-12 10:18:44 +04:00
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struct ElementAnimation;
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struct ElementAnimations;
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namespace mozilla {
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namespace css {
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class Declaration;
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}
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}
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class nsAnimationManager : public mozilla::css::CommonAnimationManager
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{
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public:
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nsAnimationManager(nsPresContext *aPresContext)
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: mozilla::css::CommonAnimationManager(aPresContext),
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mKeyframesListIsDirty(true)
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{
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mKeyframesRules.Init(16); // FIXME: make infallible!
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}
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2011-04-12 10:18:44 +04:00
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struct AnimationEventInfo {
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nsRefPtr<mozilla::dom::Element> mElement;
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nsAnimationEvent mEvent;
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AnimationEventInfo(mozilla::dom::Element *aElement,
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const nsString& aAnimationName,
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PRUint32 aMessage, mozilla::TimeDuration aElapsedTime)
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: mElement(aElement),
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2011-10-17 18:59:28 +04:00
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mEvent(true, aMessage, aAnimationName, aElapsedTime.ToSeconds())
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{
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}
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// nsAnimationEvent doesn't support copy-construction, so we need
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// to ourselves in order to work with nsTArray
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AnimationEventInfo(const AnimationEventInfo &aOther)
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: mElement(aOther.mElement),
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mEvent(true, aOther.mEvent.message,
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aOther.mEvent.animationName, aOther.mEvent.elapsedTime)
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{
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}
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};
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2011-04-12 10:18:44 +04:00
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// nsIStyleRuleProcessor (parts)
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virtual void RulesMatching(ElementRuleProcessorData* aData);
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virtual void RulesMatching(PseudoElementRuleProcessorData* aData);
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virtual void RulesMatching(AnonBoxRuleProcessorData* aData);
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#ifdef MOZ_XUL
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virtual void RulesMatching(XULTreeRuleProcessorData* aData);
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#endif
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virtual NS_MUST_OVERRIDE size_t
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SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const MOZ_OVERRIDE;
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virtual NS_MUST_OVERRIDE size_t
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SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const MOZ_OVERRIDE;
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// nsARefreshObserver
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virtual void WillRefresh(mozilla::TimeStamp aTime);
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/**
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* Return the style rule that RulesMatching should add for
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* aStyleContext. This might be different from what RulesMatching
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* actually added during aStyleContext's construction because the
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* element's animation-name may have changed. (However, this does
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* return null during the non-animation restyling phase, as
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* RulesMatching does.)
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*
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* aStyleContext may be a style context for aElement or for its
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* :before or :after pseudo-element.
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*/
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nsIStyleRule* CheckAnimationRule(nsStyleContext* aStyleContext,
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mozilla::dom::Element* aElement);
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void KeyframesListIsDirty() {
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mKeyframesListIsDirty = true;
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}
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2011-04-12 10:18:44 +04:00
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typedef InfallibleTArray<AnimationEventInfo> EventArray;
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/**
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* Dispatch any pending events. We accumulate animationend and
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* animationiteration events only during refresh driver notifications
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* (and dispatch them at the end of such notifications), but we
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* accumulate animationstart events at other points when style
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* contexts are created.
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*/
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2011-12-15 08:42:15 +04:00
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void DispatchEvents() {
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// Fast-path the common case: no events
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if (!mPendingEvents.IsEmpty()) {
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DoDispatchEvents();
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}
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}
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2011-04-12 10:18:44 +04:00
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2011-04-12 10:18:44 +04:00
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private:
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ElementAnimations* GetElementAnimations(mozilla::dom::Element *aElement,
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nsCSSPseudoElements::Type aPseudoType,
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2011-09-29 10:19:26 +04:00
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bool aCreateIfNeeded);
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2011-04-12 10:18:44 +04:00
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void BuildAnimations(nsStyleContext* aStyleContext,
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InfallibleTArray<ElementAnimation>& aAnimations);
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2011-04-23 05:36:23 +04:00
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bool BuildSegment(InfallibleTArray<AnimationPropertySegment>& aSegments,
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nsCSSProperty aProperty, const nsAnimation& aAnimation,
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2011-04-12 10:18:44 +04:00
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float aFromKey, nsStyleContext* aFromContext,
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mozilla::css::Declaration* aFromDeclaration,
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float aToKey, nsStyleContext* aToContext);
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nsIStyleRule* GetAnimationRule(mozilla::dom::Element* aElement,
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nsCSSPseudoElements::Type aPseudoType);
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nsCSSKeyframesRule* KeyframesRuleFor(const nsSubstring& aName);
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2011-12-15 08:42:15 +04:00
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// The guts of DispatchEvents
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void DoDispatchEvents();
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bool mKeyframesListIsDirty;
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nsDataHashtable<nsStringHashKey, nsCSSKeyframesRule*> mKeyframesRules;
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EventArray mPendingEvents;
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};
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#endif /* !defined(nsAnimationManager_h_) */
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