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Merge pull request #1949 from openseadragon/ms-IE
Remove support for IE < 11 (fixes #1863)
This commit is contained in:
Ian Gilman
GitHub
commit
ab3f49abe3
@ -3,6 +3,8 @@ OPENSEADRAGON CHANGELOG
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2.5.0: (In progress)
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* BREAKING CHANGE: Dropped support for older browsers (IE < 11) (#1949 @msalsbery)
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* BREAKING CHANGE: Removed deprecated OpenSeadragon.getEvent function (#1949 @msalsbery)
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* DEPRECATION: MouseTracker exitHandler deprecated for name change to leaveHandler for consistency with DOM event names (#1872 @msalsbery)
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* Now when "simple image" tile sources are removed from the viewer, they free the memory used by the pyramid they create (#1789 @TakumaKira)
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* Documentation fix (#1814 @kenanchristian)
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@ -33,6 +35,7 @@ OPENSEADRAGON CHANGELOG
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* Viewer: added a canvas-contextmenu event (#1872 @msalsbery)
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* Added additional documentation for the zoomPerSecond viewer option (#1872 @msalsbery)
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* MouseTracker: Per #1863, dropped support for Internet Explorer < 11 (#1872 @msalsbery)
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* Fixed simulated drag events in navigator tests (#1949 @msalsbery)
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2.4.2:
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@ -1577,29 +1577,6 @@ function OpenSeadragon( options ){
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},
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/**
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* Gets the latest event, really only useful internally since its
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* specific to IE behavior.
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* @function
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* @param {Event} [event]
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* @returns {Event}
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* @deprecated For internal use only
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* @private
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*/
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getEvent: function( event ) {
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if( event ){
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$.getEvent = function( event ) {
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return event;
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};
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} else {
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$.getEvent = function() {
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return window.event;
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};
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}
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return $.getEvent( event );
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},
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/**
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* Gets the position of the mouse on the screen for a given event.
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* @function
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@ -1612,7 +1589,6 @@ function OpenSeadragon( options ){
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$.getMousePosition = function( event ){
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var result = new $.Point();
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event = $.getEvent( event );
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result.x = event.pageX;
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result.y = event.pageY;
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@ -1622,7 +1598,6 @@ function OpenSeadragon( options ){
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$.getMousePosition = function( event ){
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var result = new $.Point();
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event = $.getEvent( event );
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result.x =
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event.clientX +
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document.body.scrollLeft +
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@ -1858,51 +1833,16 @@ function OpenSeadragon( options ){
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/**
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* Ensures an image is loaded correctly to support alpha transparency.
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* Generally only IE has issues doing this correctly for formats like
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* png.
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* @function
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* @param {String} src
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* @returns {Element}
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*/
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makeTransparentImage: function( src ) {
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var img = $.makeNeutralElement( "img" );
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$.makeTransparentImage = function( src ){
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var img = $.makeNeutralElement( "img" );
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img.src = src;
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img.src = src;
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return img;
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};
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if ( $.Browser.vendor === $.BROWSERS.IE && $.Browser.version < 7 ) {
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$.makeTransparentImage = function( src ){
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var img = $.makeNeutralElement( "img" ),
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element = null;
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element = $.makeNeutralElement("span");
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element.style.display = "inline-block";
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img.onload = function() {
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element.style.width = element.style.width || img.width + "px";
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element.style.height = element.style.height || img.height + "px";
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img.onload = null;
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img = null; // to prevent memory leaks in IE
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};
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img.src = src;
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element.style.filter =
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"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" +
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src +
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"', sizingMethod='scale')";
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return element;
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};
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}
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return $.makeTransparentImage( src );
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return img;
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},
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@ -2144,23 +2084,7 @@ function OpenSeadragon( options ){
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* @param {Event} [event]
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*/
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cancelEvent: function( event ) {
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event = $.getEvent( event );
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if ( event.preventDefault ) {
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$.cancelEvent = function( event ){
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// W3C for preventing default
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event.preventDefault();
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};
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} else {
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$.cancelEvent = function( event ){
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event = $.getEvent( event );
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// legacy for preventing default
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event.cancel = true;
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// IE < 9 for preventing default
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event.returnValue = false;
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};
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}
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$.cancelEvent( event );
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event.preventDefault();
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},
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@ -2171,28 +2095,7 @@ function OpenSeadragon( options ){
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* @param {Event} [event]
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*/
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eventIsCanceled: function( event ) {
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event = $.getEvent( event );
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if ( event.preventDefault ) {
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$.eventIsCanceled = function( event ){
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// W3C
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return event.defaultPrevented;
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};
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} else {
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$.eventIsCanceled = function( event ){
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event = $.getEvent( event );
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if ( typeof event.returnValue !== 'undefined' ) {
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// IE < 9
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return !event.returnValue;
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} else if ( typeof event.cancel !== 'undefined' ) {
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// legacy
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return event.cancel;
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} else {
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return false;
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}
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};
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}
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return $.eventIsCanceled( event );
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return event.defaultPrevented;
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},
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@ -2202,23 +2105,7 @@ function OpenSeadragon( options ){
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* @param {Event} [event]
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*/
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stopEvent: function( event ) {
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event = $.getEvent( event );
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if ( event.stopPropagation ) {
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// W3C for stopping propagation
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$.stopEvent = function( event ){
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event.stopPropagation();
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};
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} else {
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// IE < 9 for stopping propagation
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$.stopEvent = function( event ){
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event = $.getEvent( event );
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event.cancelBubble = true;
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};
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}
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$.stopEvent( event );
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event.stopPropagation();
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},
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@ -2407,25 +2294,7 @@ function OpenSeadragon( options ){
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request.send(null);
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} catch (e) {
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var msg = e.message;
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/*
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IE < 10 does not support CORS and an XHR request to a different origin will fail as soon
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as send() is called. This is particularly easy to miss during development and appear in
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production if you use a CDN or domain sharding and the security policy is likely to break
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exception handlers since any attempt to access a property of the request object will
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raise an access denied TypeError inside the catch block.
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To be friendlier, we'll check for this specific error and add a documentation pointer
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to point developers in the right direction. We test the exception number because IE's
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error messages are localized.
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*/
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var oldIE = $.Browser.vendor === $.BROWSERS.IE && $.Browser.version < 10;
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if ( oldIE && typeof ( e.number ) !== "undefined" && e.number === -2147024891 ) {
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msg += "\nSee http://msdn.microsoft.com/en-us/library/ms537505(v=vs.85).aspx#xdomain";
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}
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$.console.log( "%s while making AJAX request: %s", e.name, msg );
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$.console.log( "%s while making AJAX request: %s", e.name, e.message );
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request.onreadystatechange = function(){};
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@ -2772,21 +2641,15 @@ function OpenSeadragon( options ){
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//determine if this browser supports image alpha transparency
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$.Browser.alpha = !(
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(
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$.Browser.vendor === $.BROWSERS.IE &&
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$.Browser.version < 9
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) || (
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$.Browser.vendor === $.BROWSERS.CHROME &&
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$.Browser.version < 2
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)
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$.Browser.vendor === $.BROWSERS.CHROME && $.Browser.version < 2
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);
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//determine if this browser supports element.style.opacity
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$.Browser.opacity = !(
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$.Browser.vendor === $.BROWSERS.IE &&
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$.Browser.version < 9
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);
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$.Browser.opacity = true;
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if ( $.Browser.vendor === $.BROWSERS.IE && $.Browser.version < 11 ) {
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$.console.error('Internet Explorer versions < 11 are not supported by OpenSeadragon');
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}
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})();
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@ -6,21 +6,13 @@
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$.MouseTracker.subscribeEvents = [ "click", "dblclick", "keypress", "focus", "blur", $.MouseTracker.wheelEventName ];
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if( $.MouseTracker.wheelEventName == "DOMMouseScroll" ) {
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if( $.MouseTracker.wheelEventName === "DOMMouseScroll" ) {
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// Older Firefox
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$.MouseTracker.subscribeEvents.push( "MozMousePixelScroll" );
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}
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$.MouseTracker.havePointerEvents = false;
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$.MouseTracker.unprefixedPointerEvents = true;
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$.MouseTracker.subscribeEvents.push( "mouseenter", "mouseleave" );
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if ( $.Browser.vendor !== $.BROWSERS.IE || $.Browser.version > 8 ) {
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$.MouseTracker.subscribeEvents.push( "mouseover", "mouseout" );
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$.MouseTracker.havePointerOverOut = true;
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} else {
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$.MouseTracker.havePointerOverOut = false;
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}
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$.MouseTracker.subscribeEvents.push( "mousedown", "mouseup", "mousemove" );
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$.MouseTracker.subscribeEvents.push( "mouseenter", "mouseleave", "mouseover", "mouseout", "mousedown", "mouseup", "mousemove" );
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$.MouseTracker.mousePointerId = "legacy-mouse";
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// Legacy mouse events capture support (IE/Firefox only?)
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$.MouseTracker.havePointerCapture = (function () {
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@ -222,13 +222,28 @@
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};
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var simulateNavigatorDrag = function (viewer, distanceX, distanceY) {
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var $canvas = $(viewer.element).find('.displayregion'),
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event = {
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dx: Math.floor(distanceX),
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dy: Math.floor(distanceY)
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};
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$canvas
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.simulate('drag', event);
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var $canvas = $(viewer.element).find('.openseadragon-canvas'),
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offset = $canvas.offset(),
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event = {};
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event.clientX = offset.left + 1;
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event.clientY = offset.top + 1;
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$canvas.simulate( 'mouseenter', event );
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event.button = 0;
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$canvas.simulate( 'mousedown', event );
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event.clientX += distanceX;
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event.clientY += distanceY;
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$canvas.simulate( 'mousemove', event );
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event.button = 0;
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$canvas.simulate( 'mouseup', event );
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event.clientX = offset.left - 1;
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event.clientY = offset.top - 1;
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event.relatedTarget = document.body;
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$canvas.simulate( 'mouseleave', event );
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};
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var dragNavigatorBackToCenter = function () {
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