n2corelibs-events-15996.js

模拟amazon.com的窗口弹出效果,当鼠标移到图片上时弹出模拟的窗口

//! ################################################################
//! Copyright (c) 2004-2007 Amazon.com, Inc., and its Affiliates.
//! All rights reserved.
//! Not to be reused without permission
//! $DateTime: 2007/07/11 15:11:53 $
//! ################################################################
function n2EventsInitLibrary() { // Begin library code wrapper. Goes all the way to the bottom of the file
if (window.goN2LibMon) goN2LibMon.beginLoad('events', 'n2CoreLibs');
window.N2Instance = function(oFeature) {
this.className = 'N2Instance';
this.version = '1.1.0';
this.oFeature = oFeature;
this._timers = new Object(); // HASH of timerids for this object, indexed by timer name.
this.nSTATEDORMANT = 0;
this.nSTATEPREOPEN = 1;
this.nSTATEOPENING = 2;
this.nSTATEVISIBLE = 3;
this.nSTATECLOSING = 4;
this.activeState = this.nSTATEDORMANT;
this.instanceName = null;
this.oRegFeatureOpened = null;
}
new N2Instance();
window.N2Instance.prototype.getFeature = function() {
return this.oFeature;
}
window.N2Instance.prototype.getFeatureID = function() {
return (this.oRegFeatureOpened ? this.oRegFeatureOpened.getFeatureID() : "");
}
window.N2Instance.prototype.setRegFeatureOpened = function(oRegFeatureOpened) {
this.oRegFeatureOpened = oRegFeatureOpened;
}
window.N2Instance.prototype.getRegFeatureOpened = function() {
return this.oRegFeatureOpened;
}
window.N2Instance.prototype.getInstanceName = function() {
return this.instanceName;
}
window.N2Instance.prototype.getInstanceNameFromLinkInfo = function(oLNI) {
;
return null;
}
window.N2Instance.prototype._setInstanceName = function(oLNI) {
;
var instanceName = this.getInstanceNameFromLinkInfo(oLNI);
if (instanceName != this.instanceName) {
this.clearAllTimers();
this.instanceName = instanceName;
}
}
window.N2Instance.prototype.isDormant = function() {
return (this.activeState <= this.nSTATEDORMANT);
}
window.N2Instance.prototype.isPreOpen = function() {
return (this.nSTATEDORMANT < this.activeState && this.activeState <= this.nSTATEPREOPEN);
}
window.N2Instance.prototype.isOpening = function() {
return (this.nSTATEPREOPEN < this.activeState && this.activeState <= this.nSTATEOPENING);
}
window.N2Instance.prototype.isVisible = function() {
return (this.nSTATEOPENING < this.activeState && this.activeState <= this.nSTATEVISIBLE);
}
window.N2Instance.prototype.isClosing = function() {
return (this.nSTATEVISIBLE < this.activeState);
}
window.N2Instance.prototype.isActive = function() {
return this.isVisible();
};
window.N2Instance.prototype.setTimer = function(timerName, nMSDelay, eventData) {
this.clearTimer(timerName);
var timerObject = new Object();
this._timers[timerName] = timerObject;
;//goN2Debug.info("N2Instance setting timer feature " + this.getFeatureID() + ", instance " + this.getInstanceName() + ", timer " + timerName + ", eventData " + eventData);
timerObject.eventData = eventData;
timerObject.timerid = setTimeout(
"N2Instance._timerFired('" +
this.getFeatureID() + "', '" +
this.getInstanceName() + "', '" +
timerName+"')",
nMSDelay);
}
window.N2Instance.prototype.clearTimer = function(timerName) {
var timerObject = this._timers[timerName];
if (timerObject) {
;
clearTimeout(timerObject.timerid);
this._timers[timerName] = 0;
}
}
window.N2Instance.prototype.clearAllTimers = function() {
;
for (var timerName in this._timers) {
this.clearTimer(timerName);
}
}
window.N2Instance._timerFired = function(featureID, instanceName, timerName) {
;
var oFeature = goN2Events.lookupFeature(featureID);
;
if (!oFeature) {
return;
}
var oInstance = oFeature.getInstance(featureID, instanceName);
;
if (!oInstance) {
return;
}
var timerObject = oInstance._timers[timerName];
oInstance._timers[timerName] = 0;
;
oInstance[timerName](timerObject.eventData);
}
window.N2FInstance = function(oFeature) {
N2FInstance.parentClass.call(this, oFeature);
this.className = 'N2FInstance';
this.version = '1.1.0';
this.bPreOpenDuringClose = false;
this.bMouseIsIn = false;
}
window.N2FInstance.prototype = new N2Instance();
window.N2FInstance.parentClass = N2Instance;
window.N2FInstance.prototype.getRawObject = function() {
;
return null;
}
window.N2FInstance.prototype.getInstanceNameFromLinkInfo = function(oLNI) {
var name = N2FInstance.getInstanceNameFromLinkInfo(oLNI);
return name;
}
window.N2FInstance.getInstanceNameFromLinkInfo = function(oLNI) {
;
var name = (oLNI.getID() ? N2Feature.prefixFInstanceNames + oLNI.getID() : null);
return name;
}
window.N2FInstance.prototype.isStatic = function() {
return false;
}
window.N2FInstance.prototype.assignInstance = function(oLNI) {
if (!this.isDormant()) {
;
return false;
}
this._setInstanceName(oLNI);
return true;
}
window.N2FInstance.prototype.overlayClosed = function() {
return;
}
window.N2FInstance.prototype.notifyFInstanceHasMouse = function(bMouseIsInInstance) {
var bMouseWasIn = this.bMouseIsIn;
this.bMouseIsIn = bMouseIsInInstance;
if (this.oFeature.isDisabled()) {
return;
}
if (this.isStatic()) {
return;
}
if (bMouseWasIn && !bMouseIsInInstance) {
;
this._scheduleClose(this.getRegFeatureOpened().getDelayCloseAfter());
} else if (!bMouseWasIn && bMouseIsInInstance) {
;
this._cancelClose();
}
}
window.N2FInstance.prototype.setMouseIn = function(bMouseIsInInstance) {
this.bMouseIsIn = bMouseIsInInstance;
}
window.N2FInstance.prototype.mouseOverHotspotTrack = function(oLNI) {
;//goN2Debug.info("feature instance mouseOverHotspotTrack; feature " + oLNI.getFeature() + ", feature instance '" + this.getInstanceName() + "'");
var oRegFeature = goN2Events.lookupRegFeature(oLNI.getFeature());
;
if (this.oFeature.isDisabled()) {
return;
}
this._cancelClose();
}
window.N2FInstance.prototype.mouseOverHotspotOpen = function(oLNI, nFeatureFlags) {
;//goN2Debug.info("feature instance mouseOverHotspotOpen; feature " + oLNI.getFeature() + ", feature instance '" + this.getInstanceName() + "'");
var oRegFeature = goN2Events.lookupRegFeature(oLNI.getFeature());
;
if (this.oFeature.isDisabled()) {
return;
}
if (this.activeState<=this.nSTATEPREOPEN || this.isClosing()) {
this._scheduleOpen(oLNI, nFeatureFlags, oRegFeature.getDelayShowAfter());
} else {
;
this._cancelClose();
}
}
window.N2FInstance.prototype.mouseOutHotspotClose = function(oLNI) {
;//goN2Debug.info("feature instance mouseOutHotspotClose; feature " + this.getFeatureID() + ", feature instance '" + this.getInstanceName() + "'");
var oRegFeature = goN2Events.lookupRegFeature(oLNI.getFeature());
;
if (this.activeState <= this.nSTATEDORMANT) {
} else if (this.activeState <= this.nSTATEPREOPEN) {
this._cancelOpen();
} else if (this.activeState <= this.nSTATEVISIBLE) {
this._scheduleClose(oRegFeature.getDelayReachWithin());
} else {
}
}
window.N2FInstance.prototype.clickHotspotOpen = function(oLNI, nFeatureFlags) {
;//goN2Debug.info("feature instance clickHotspotOpen; feature " + this.getFeatureID() + ", feature instance '" + this.getInstanceName() + "'");
var oRegFeature = goN2Events.lookupRegFeature(oLNI.getFeature());
;
this.openNow(oLNI, nFeatureFlags);
}
window.N2FInstance.prototype.mouseOver = function() {
;//goN2Debug.info("feature instance mouseOver; feature " + this.getFeatureID() + ", feature instance '" + this.getInstanceName() + "'");
this.notifyFInstanceHasMouse(true);
}
window.N2FInstance.prototype.mouseOut = function() {
;//goN2Debug.info("feature instance mouseOut; feature " + this.getFeatureID() + ", feature instance '" + this.getInstanceName() + "'");
this.notifyFInstanceHasMouse(false);
}
window.N2FInstance.prototype._scheduleOpen = function(oLNI, nFeatureFlags, nMSDelay) {
this.setRegFeatureOpened(goN2Events.lookupRegFeature(oLNI.getFeature()));
;
var eventData = new Object();
eventData.oLNI = oLNI;
eventData.nFeatureFlags = nFeatureFlags;
this.setTimer("_timedOpen", nMSDelay, eventData);
if (this.isClosing()) {
this.bPreOpenDuringClose = true;
} else {
this.activeState = this.nSTATEPREOPEN;
}
}
window.N2FInstance.prototype._timedOpen = function(eventData) {
if (this.oFeature.isDisabled()) {
return;
}
this.openNow(eventData.oLNI, eventData.nFeatureFlags);
}
window.N2FInstance.prototype._cancelOpen = function() {
;
this.clearTimer("_timedOpen");
}
window.N2FInstance.prototype._scheduleClose = function(nMSDelay) {
;
if (this.isStatic()) {
return;
}
this.setTimer("_timedClose", nMSDelay, null);
}
window.N2FInstance.prototype._timedClose = function(eventData) {
this.closeNow();
}
window.N2FInstance.prototype._cancelClose = function() {
;
this.clearTimer("_timedClose");
}
window.N2FInstance.prototype.openNow = function(oLNI, nFeatureFlags) {
;
}
window.N2FInstance.prototype.closeNow = function(bImmediate) {
;
}
window.N2FInstanceWrapper = function(oWrapperFeature) {
N2FInstanceWrapper.parentClass.call(this, oWrapperFeature); // Call the base class constructor function.
this.className = 'N2FInstanceWrapper';
this.version = '1.1.0';
this.oWrappedFeature = null; // must be null except when Active.
}
window.N2FInstanceWrapper.prototype = new N2FInstance();
window.N2FInstanceWrapper.parentClass = N2FInstance;
window.N2FInstanceWrapper.prototype.isStatic = function() {
return ((this.oWrappedFeature && this.oWrappedFeature.isStatic) ? this.oWrappedFeature.isStatic() : false);
}
window.N2FInstanceWrapper.prototype.getRawObject = function() {
;
return this.oWrappedFeature.getObject();
}
window.N2FInstanceWrapper.prototype.openNow = function(oLNI, nFeatureFlags) {
;//goN2Debug.info("feature instance wrapper openNow; feature " + oLNI.getFeature() + ", feature instance '" + this.getInstanceNameFromLinkInfo(oLNI) + "'");
;
if (this.oFeature.isDisabled()) {
return;
}
var oFInstanceActive = this.oFeature.getActiveWrappedFInstance();
if (oFInstanceActive) {
oFInstanceActive.closeNow(true);
}
this.oWrappedFeature = this.oFeature.getWrappedFeatureObj();
this.oFeature.setActiveWrappedFInstance(this);
if (!this.oWrappedFeature.isVisible())
{
;
this._cancelOpen();
this.setRegFeatureOpened(goN2Events.lookupRegFeature(oLNI.getFeature()));
var oHotspot = this._createHotspotObj(oLNI, nFeatureFlags);
this.oWrappedFeature.show(oHotspot);
if (this.oWrappedFeature.isVisible()) {
goN2Events.toggleObjects("hide", this.oFeature.getWrappedFeatureActiveElement().id);
this._setStateFromWrappedFeature(this.nSTATEVISIBLE);
} else {
this.oWrappedFeature = null;
this.oFeature.setActiveWrappedFInstance(null);
this._setStateFromWrappedFeature(this.nSTATEDORMANT);
}
} else {
;
this._setStateFromWrappedFeature(this.nSTATEVISIBLE);
}
}
window.N2FInstance.prototype.overlayClosed = function() {
if (this.oWrappedFeature) {
this.oWrappedFeature = null;
this.oFeature.setActiveWrappedFInstance(null);
}
this._setStateFromWrappedFeature(this.nSTATEDORMANT);
}
window.N2FInstanceWrapper.prototype._setStateFromWrappedFeature = function(activeStateExpected) {
if (this.oWrappedFeature && this.oWrappedFeature.isVisible()) {
this.activeState = this.nSTATEVISIBLE;
} else {
this.activeState = this.nSTATEDORMANT;
}
;
if (this.activeState != activeStateExpected) {
;
}
}
window.N2FInstanceWrapper.prototype.closeNow = function(bImmediate) {
;//goN2Debug.info("feature instance wrapper closeNow; feature " + this.getFeatureID() + ", feature instance '" + this.getInstanceName() + "'");
if (this.isStatic()) {
return;
}
var oWrappedFeature = this.oWrappedFeature;
if (oWrappedFeature && oWrappedFeature.isVisible()) {
this._cancelClose();
var nAnimateCloseSaved;
if (bImmediate) {
nAnimateCloseSaved = this._smashNAnimateClose(oWrappedFeature, 0);
}
try {
;
oWrappedFeature.hide();
} catch (e) {
if (bImmediate) {
this._smashNAnimateClose(oWrappedFeature, nAnimateCloseSaved);
}
throw(e);
}
if (bImmediate) {
this._smashNAnimateClose(oWrappedFeature, nAnimateCloseSaved);
}
;
if (this.oWrappedFeature) {
this.oWrappedFeature = null;
this.oFeature.setActiveWrappedFInstance(null);
}
goN2Events.toggleObjects("show");
} else {
;
}
this._setStateFromWrappedFeature(this.nSTATEDORMANT);
this.setRegFeatureOpened(null);
}
window.N2FInstanceWrapper.prototype._smashNAnimateClose = function(oWrappedFeature, newValue) {
var oldValue = oWrappedFeature.nAnimateClose;
oWrappedFeature.nAnimateClose = newValue;
return oldValue;
}
window.N2FInstanceWrapper.prototype._createHotspotObj = function(oLNI, nFeatureFlags) {
if (goN2U.isUndefOrNull(nFeatureFlags)) {
nFeatureFlags = 0;
}
var oHotspot = new Object();
oHotspot.id = "";
oHotspot.objectname = "";
oHotspot.abstop = "";           // abs y within the document
oHotspot.absleft = "";          // abs x within the document
oHotspot.top = "";              // abs y within the window [relative to the document]
oHotspot.left = "";             // abs x within the window [relative to the document]
oHotspot.bottom = "";
oHotspot.right = "";
oHotspot.availAbove = 0;
oHotspot.availUnder = 0;
oHotspot.availLeft = 0;
oHotspot.availRight = 0;
oHotspot.scrollLeft = 0;
oHotspot.scrollTop = 0;
oHotspot.clientHeight = 0;
oHotspot.clientWidth = 0;
oHotspot.staticFlag = 0;
var sFeatureID = oLNI.getFeature();
;
var sLinkID = oLNI.getLinkID();
var oLink = goN2U.getRawObject(sLinkID);
oHotspot.oLink = oLink;
var sName = oLNI.getLinkName();
if (sName != oLink.id) {
oHotspot.sNameOverride = sName;
}
;
oHotspot.featureID = sFeatureID;
;
oHotspot.relatedFeatureObj = this.oWrappedFeature;
oHotspot.staticFlag = nFeatureFlags;
oHotspot.scrollLeft = goN2U.getScrollLeft();
oHotspot.scrollTop = goN2U.getScrollTop();
oHotspot.clientHeight = goN2U.getInsideWindowHeight();
oHotspot.clientWidth = goN2U.getInsideWindowWidth();
;
;
oHotspot.href = oLink.href;
var sTmp;
var re = /([\r\n])/gi;
sTmp = oLink.innerHTML;
oHotspot.linkHTML = sTmp.replace(re, " ");
sTmp = goN2U.isUndefOrNull(oLink.innerText) ? oLink.innerHTML : oLink.innerText;
oHotspot.linkText = sTmp.replace(re, " ");
;
;
;
;
oHotspot.absleft = goN2U.getScrolledElementLeft(oLink);
oHotspot.abstop = goN2U.getScrolledElementTop(oLink);
oHotspot.left = goN2U.getObjectLeft(oLink) - oHotspot.scrollLeft;
oHotspot.top = goN2U.getObjectTop(oLink) - oHotspot.scrollTop;
oHotspot.width = goN2U.getObjectWidth(oLink);
oHotspot.height = goN2U.getObjectHeight(oLink);
var elChild = oLink.firstChild;
if ( (oHotspot.width == 0) && elChild ){
oHotspot.width = goN2U.getObjectWidth(elChild);
oHotspot.height = goN2U.getObjectHeight(elChild);
} else if ( goN2U.isMozilla5() ) {
var aChildren = oLink.childNodes
var nChildren = aChildren.length;
for (var i=0;i<nChildren;i++) {
elChild = aChildren[i];
if ((elChild.nodeType == 1) && (elChild.tagName == 'IMG')) {
oHotspot.bottom = oHotspot.top + goN2U.getObjectHeight(oLink);
oHotspot.height = goN2U.getObjectHeight(elChild);
var oldTop = oHotspot.top;
oHotspot.top = oHotspot.bottom - oHotspot.height;
oHotspot.abstop = oHotspot.abstop + (oHotspot.top-oldTop);
break;
}
}
}
oHotspot.right = oHotspot.left + oHotspot.width;
oHotspot.bottom = oHotspot.top + oHotspot.height;
oHotspot.sLinkID = sLinkID;
; //oLink set earlier
oHotspot.availAbove = oHotspot.abstop - oHotspot.scrollTop - 1;
oHotspot.availUnder = oHotspot.clientHeight - (oHotspot.abstop + oHotspot.height - oHotspot.scrollTop);
oHotspot.availLeft = oHotspot.absleft - oHotspot.scrollLeft - 1;
oHotspot.availRight = oHotspot.clientWidth - (oHotspot.absleft + oHotspot.width - oHotspot.scrollLeft);
return oHotspot;
}
window.N2HInstance = function(oFeature) {
N2HInstance.parentClass.call(this, oFeature); // Call the base class constructor function.
this.className = 'N2HInstance';
this.version = '1.1.0';
}
window.N2HInstance.prototype = new N2Instance();
window.N2HInstance.parentClass = N2Instance;
window.N2HInstance.prototype.getInstanceNameFromLinkInfo = function(oLNI) {
return N2HInstance.getInstanceNameFromLinkInfo(oLNI);
}
window.N2HInstance.getInstanceNameFromLinkInfo = function(oLNI) {
;
;
return N2Feature.prefixHInstanceNames + oLNI.getLinkID();
}
window.N2HInstance.prototype.getLinkInfoFromInstanceName = function(sInstanceName) {
return N2HInstance.getInstanceNameFromLinkInfo(sInstanceName);
}
window.N2HInstance.getLinkInfoFromInstanceName = function(sInstanceName) {
;
var prefixLength = N2Feature.prefixHInstanceNames.length;
;