org.htmlunit.javascript.host.dom

Class MutationObserver

java.lang.Object

org.htmlunit.corejs.javascript.ScriptableObject

org.htmlunit.javascript.HtmlUnitScriptable

org.htmlunit.javascript.host.dom.MutationObserver

All Implemented Interfaces:

Serializable, Cloneable, org.htmlunit.corejs.javascript.ConstProperties, org.htmlunit.corejs.javascript.debug.DebuggableObject, org.htmlunit.corejs.javascript.Scriptable, org.htmlunit.corejs.javascript.SymbolScriptable, CharacterDataChangeListener, HtmlAttributeChangeListener

public class MutationObserver
extends HtmlUnitScriptable
implements HtmlAttributeChangeListener, CharacterDataChangeListener

A JavaScript object for MutationObserver.

Author:

Ahmed Ashour, Ronald Brill, Atsushi Nakagawa

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.htmlunit.corejs.javascript.ScriptableObject

org.htmlunit.corejs.javascript.ScriptableObject.KeyComparator

Field Summary

Fields inherited from class org.htmlunit.corejs.javascript.ScriptableObject

CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST

Fields inherited from interface org.htmlunit.corejs.javascript.Scriptable

NOT_FOUND

Constructor Summary

Constructors

Constructor and Description
MutationObserver()

Method Summary

Modifier and Type	Method and Description
void	attributeAdded(HtmlAttributeChangeEvent event) Notification that a new attribute was added to the HtmlElement.
void	attributeRemoved(HtmlAttributeChangeEvent event) Notification that an existing attribute has been removed from the HtmlElement.
void	attributeReplaced(HtmlAttributeChangeEvent event) Notification that an attribute on the HtmlElement has been replaced.
void	characterDataChanged(CharacterDataChangeEvent event) Notification that a Character Data was added.
void	disconnect() Stops the MutationObserver instance from receiving notifications of DOM mutations.
void	jsConstructor(org.htmlunit.corejs.javascript.Function function) Creates an instance.
void	observe(Node node, org.htmlunit.corejs.javascript.NativeObject options) Registers the MutationObserver instance to receive notifications of DOM mutations on the specified node.
org.htmlunit.corejs.javascript.Scriptable	takeRecords() Empties the MutationObserver instance's record queue and returns what was in there.

Methods inherited from class org.htmlunit.javascript.HtmlUnitScriptable

clone, equivalentValues, get, getBrowserVersion, getClassName, getDefaultValue, getDomNodeOrDie, getDomNodeOrNull, getPrototype, getScriptableFor, getWindow, getWindow, getWindowFromTopCallScope, getWithPreemption, has, hasInstance, initParentScope, makeScriptableFor, put, setClassName, setDomNode, setDomNode, setParentScope, setupPromise, setupRejectedPromise

Methods inherited from class org.htmlunit.corejs.javascript.ScriptableObject

applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildDataDescriptor, callMethod, callMethod, checkPropertyChange, checkPropertyDefinition, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, delete, delete, deleteProperty, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, ensureSymbolScriptable, get, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGeneratorFunctionPrototype, getGetterOrSetter, getGetterOrSetter, getIds, getObjectPrototype, getOwnPropertyDescriptor, getParentScope, getProperty, getProperty, getProperty, getPropertyIds, getPrototype, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, has, hasProperty, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, put, putConst, putConstProperty, putProperty, putProperty, putProperty, querySlot, redefineProperty, sameValue, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setAttributes, setCommonDescriptorProperties, setExternalArrayData, setGetterOrSetter, setPrototype, size

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MutationObserver

public MutationObserver()

Method Detail

jsConstructor

public void jsConstructor(org.htmlunit.corejs.javascript.Function function)

Creates an instance.

Parameters:

function - the function to observe

observe

public void observe(Node node,
                    org.htmlunit.corejs.javascript.NativeObject options)

Registers the MutationObserver instance to receive notifications of DOM mutations on the specified node.

Parameters:

node - the node

options - the options

disconnect

public void disconnect()

Stops the MutationObserver instance from receiving notifications of DOM mutations.

takeRecords

public org.htmlunit.corejs.javascript.Scriptable takeRecords()

Empties the MutationObserver instance's record queue and returns what was in there.

Returns:

an NativeArray of MutationRecords

characterDataChanged

public void characterDataChanged(CharacterDataChangeEvent event)

Notification that a Character Data was added. Called after it is changed.

Specified by:

characterDataChanged in interface CharacterDataChangeListener

Parameters:

event - the character data change event

attributeAdded

public void attributeAdded(HtmlAttributeChangeEvent event)

Notification that a new attribute was added to the HtmlElement. Called after the attribute is added.

Specified by:

attributeAdded in interface HtmlAttributeChangeListener

Parameters:

event - the attribute change event

attributeRemoved

public void attributeRemoved(HtmlAttributeChangeEvent event)

Notification that an existing attribute has been removed from the HtmlElement. Called after the attribute is removed.

Specified by:

attributeRemoved in interface HtmlAttributeChangeListener

Parameters:

event - the attribute change event

attributeReplaced

public void attributeReplaced(HtmlAttributeChangeEvent event)

Notification that an attribute on the HtmlElement has been replaced. Called after the attribute is replaced.

Specified by:

attributeReplaced in interface HtmlAttributeChangeListener

Parameters:

event - the attribute change event