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https://github.com/openseadragon/openseadragon.git
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7567a657bd
Fix for enhancement #300 Added double-click/tap gesture detection to MouseTracker.with corresponding dblClickHandler event callback. Added unit test for double-click detection. Added Viewer dblClickHandler handling to optionally zoom on double-click.
43 lines
1.8 KiB
JavaScript
43 lines
1.8 KiB
JavaScript
(function($, undefined) {
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/**
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* Plugin to force OpenSeadragon to use the legacy mouse pointer event model
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*/
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$.MouseTracker.subscribeEvents = [ "click", "dblclick", "keypress", "focus", "blur", $.MouseTracker.wheelEventName ];
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if( $.MouseTracker.wheelEventName == "DOMMouseScroll" ) {
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// Older Firefox
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$.MouseTracker.subscribeEvents.push( "MozMousePixelScroll" );
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}
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$.MouseTracker.subscribeEvents.push( "mousedown", "mouseup", "mousemove" );
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if ( 'onmouseenter' in window ) {
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$.MouseTracker.subscribeEvents.push( "mouseenter", "mouseleave" );
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$.MouseTracker.haveMouseEnter = true;
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} else {
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$.MouseTracker.subscribeEvents.push( "mouseover", "mouseout" );
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$.MouseTracker.haveMouseEnter = false;
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}
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if ( 'ontouchstart' in window ) {
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// iOS, Android, and other W3c Touch Event implementations (see http://www.w3.org/TR/2011/WD-touch-events-20110505)
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$.MouseTracker.subscribeEvents.push( "touchstart", "touchend", "touchmove", "touchcancel" );
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if ( 'ontouchenter' in window ) {
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$.MouseTracker.subscribeEvents.push( "touchenter", "touchleave" );
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$.MouseTracker.haveTouchEnter = true;
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} else {
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$.MouseTracker.haveTouchEnter = false;
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}
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} else {
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$.MouseTracker.haveTouchEnter = false;
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}
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if ( 'ongesturestart' in window ) {
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// iOS (see https://developer.apple.com/library/safari/documentation/UserExperience/Reference/GestureEventClassReference/GestureEvent/GestureEvent.html)
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// Subscribe to these to prevent default gesture handling
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$.MouseTracker.subscribeEvents.push( "gesturestart", "gesturechange" );
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}
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$.MouseTracker.mousePointerId = "legacy-mouse";
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$.MouseTracker.maxTouchPoints = 10;
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}(OpenSeadragon));
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