mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-27 15:46:10 +03:00
39 lines
1.9 KiB
JavaScript
39 lines
1.9 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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$.MouseTracker.havePointerEvents = false;
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$.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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var divElement = document.createElement( 'div' );
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return $.isFunction( divElement.setCapture ) && $.isFunction( divElement.releaseCapture );
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}());
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if ( $.MouseTracker.havePointerCapture ) {
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$.MouseTracker.subscribeEvents.push( "losecapture" );
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}
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if ( 'ontouchstart' in window ) {
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// iOS, Android, and other W3c Touch Event implementations
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// (see http://www.w3.org/TR/touch-events/)
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// (see https://developer.apple.com/library/ios/documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html)
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// (see https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html)
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$.MouseTracker.subscribeEvents.push( "touchstart", "touchend", "touchmove", "touchcancel" );
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}
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if ( 'ongesturestart' in window ) {
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// iOS (see https://developer.apple.com/library/ios/documentation/AppleApplications/Reference/SafariWebContent/HandlingEvents/HandlingEvents.html)
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// Subscribe to these to prevent default gesture handling
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$.MouseTracker.subscribeEvents.push( "gesturestart", "gesturechange" );
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}
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}(OpenSeadragon));
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