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dom/smil/nsSMILTimeValueSpec.h@6474c204b198 (annotated)

dom/smil/nsSMILTimeValueSpec.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#ifndef NS_SMILTIMEVALUESPEC_H_
michael@0	7	#define NS_SMILTIMEVALUESPEC_H_
michael@0	8
michael@0	9	#include "mozilla/Attributes.h"
michael@0	10	#include "nsSMILTimeValueSpecParams.h"
michael@0	11	#include "nsReferencedElement.h"
michael@0	12	#include "nsAutoPtr.h"
michael@0	13	#include "nsIDOMEventListener.h"
michael@0	14
michael@0	15	class nsAString;
michael@0	16	class nsSMILTimeValue;
michael@0	17	class nsSMILTimedElement;
michael@0	18	class nsSMILTimeContainer;
michael@0	19	class nsSMILInstanceTime;
michael@0	20	class nsSMILInterval;
michael@0	21
michael@0	22	namespace mozilla {
michael@0	23	class EventListenerManager;
michael@0	24	} // namespace mozilla
michael@0	25
michael@0	26	//----------------------------------------------------------------------
michael@0	27	// nsSMILTimeValueSpec class
michael@0	28	//
michael@0	29	// An individual element of a 'begin' or 'end' attribute, e.g. '5s', 'a.end'.
michael@0	30	// This class handles the parsing of such specifications and performs the
michael@0	31	// necessary event handling (for event, repeat, and accesskey specifications)
michael@0	32	// and synchronisation (for syncbase specifications).
michael@0	33	//
michael@0	34	// For an overview of how this class is related to other SMIL time classes see
michael@0	35	// the documentation in nsSMILTimeValue.h
michael@0	36
michael@0	37	class nsSMILTimeValueSpec
michael@0	38	{
michael@0	39	public:
michael@0	40	typedef mozilla::dom::Element Element;
michael@0	41
michael@0	42	nsSMILTimeValueSpec(nsSMILTimedElement& aOwner, bool aIsBegin);
michael@0	43	~nsSMILTimeValueSpec();
michael@0	44
michael@0	45	nsresult SetSpec(const nsAString& aStringSpec, Element* aContextNode);
michael@0	46	void ResolveReferences(nsIContent* aContextNode);
michael@0	47	bool IsEventBased() const;
michael@0	48
michael@0	49	void HandleNewInterval(nsSMILInterval& aInterval,
michael@0	50	const nsSMILTimeContainer* aSrcContainer);
michael@0	51	void HandleTargetElementChange(Element* aNewTarget);
michael@0	52
michael@0	53	// For created nsSMILInstanceTime objects
michael@0	54	bool DependsOnBegin() const;
michael@0	55	void HandleChangedInstanceTime(const nsSMILInstanceTime& aBaseTime,
michael@0	56	const nsSMILTimeContainer* aSrcContainer,
michael@0	57	nsSMILInstanceTime& aInstanceTimeToUpdate,
michael@0	58	bool aObjectChanged);
michael@0	59	void HandleDeletedInstanceTime(nsSMILInstanceTime& aInstanceTime);
michael@0	60
michael@0	61	// Cycle-collection support
michael@0	62	void Traverse(nsCycleCollectionTraversalCallback* aCallback);
michael@0	63	void Unlink();
michael@0	64
michael@0	65	protected:
michael@0	66	void UpdateReferencedElement(Element* aFrom, Element* aTo);
michael@0	67	void UnregisterFromReferencedElement(Element* aElement);
michael@0	68	nsSMILTimedElement* GetTimedElement(Element* aElement);
michael@0	69	bool IsWhitelistedEvent();
michael@0	70	void RegisterEventListener(Element* aElement);
michael@0	71	void UnregisterEventListener(Element* aElement);
michael@0	72	mozilla::EventListenerManager* GetEventListenerManager(Element* aElement);
michael@0	73	void HandleEvent(nsIDOMEvent* aEvent);
michael@0	74	bool CheckEventDetail(nsIDOMEvent* aEvent);
michael@0	75	bool CheckRepeatEventDetail(nsIDOMEvent* aEvent);
michael@0	76	bool CheckAccessKeyEventDetail(nsIDOMEvent* aEvent);
michael@0	77	nsSMILTimeValue ConvertBetweenTimeContainers(const nsSMILTimeValue& aSrcTime,
michael@0	78	const nsSMILTimeContainer* aSrcContainer);
michael@0	79	bool ApplyOffset(nsSMILTimeValue& aTime) const;
michael@0	80
michael@0	81	nsSMILTimedElement* mOwner;
michael@0	82	bool mIsBegin; // Indicates if *we* are a begin spec,
michael@0	83	// not to be confused with
michael@0	84	// mParams.mSyncBegin which indicates
michael@0	85	// if we're synced with the begin of
michael@0	86	// the target.
michael@0	87	nsSMILTimeValueSpecParams mParams;
michael@0	88
michael@0	89	class TimeReferenceElement : public nsReferencedElement
michael@0	90	{
michael@0	91	public:
michael@0	92	TimeReferenceElement(nsSMILTimeValueSpec* aOwner) : mSpec(aOwner) { }
michael@0	93	void ResetWithElement(Element* aTo) {
michael@0	94	nsRefPtr<Element> from = get();
michael@0	95	Unlink();
michael@0	96	ElementChanged(from, aTo);
michael@0	97	}
michael@0	98
michael@0	99	protected:
michael@0	100	virtual void ElementChanged(Element* aFrom, Element* aTo) MOZ_OVERRIDE
michael@0	101	{
michael@0	102	nsReferencedElement::ElementChanged(aFrom, aTo);
michael@0	103	mSpec->UpdateReferencedElement(aFrom, aTo);
michael@0	104	}
michael@0	105	virtual bool IsPersistent() MOZ_OVERRIDE { return true; }
michael@0	106	private:
michael@0	107	nsSMILTimeValueSpec* mSpec;
michael@0	108	};
michael@0	109
michael@0	110	TimeReferenceElement mReferencedElement;
michael@0	111
michael@0	112	class EventListener MOZ_FINAL : public nsIDOMEventListener
michael@0	113	{
michael@0	114	public:
michael@0	115	EventListener(nsSMILTimeValueSpec* aOwner) : mSpec(aOwner) { }
michael@0	116	void Disconnect()
michael@0	117	{
michael@0	118	mSpec = nullptr;
michael@0	119	}
michael@0	120
michael@0	121	NS_DECL_ISUPPORTS
michael@0	122	NS_DECL_NSIDOMEVENTLISTENER
michael@0	123
michael@0	124	private:
michael@0	125	nsSMILTimeValueSpec* mSpec;
michael@0	126	};
michael@0	127	nsRefPtr<EventListener> mEventListener;
michael@0	128	};
michael@0	129
michael@0	130	#endif // NS_SMILTIMEVALUESPEC_H_