universalviewer/dist/uv-2.0.0/lib/openseadragon.min.js

The Universal Viewer is an open source project to enable cultural heritage institutions to present their digital artifacts in an IIIF-compliant and highly customisable user interface.

//! openseadragon 2.2.1
//! Built on 2016-07-01
//! Git commit: v2.2.1-0-babdefd
//! http://openseadragon.github.io
//! License: http://openseadragon.github.io/license/


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d;if(b.keyHandler){c=a.getEvent(c);d=b.keyHandler({eventSource:b,keyCode:c.keyCode?c.keyCode:c.charCode,ctrl:c.ctrlKey,shift:c.shiftKey,alt:c.altKey,meta:c.metaKey,originalEvent:c,preventDefaultAction:!1,userData:b.userData});d||a.cancelEvent(c)}}function r(b,c){var d;if(b.focusHandler){c=a.getEvent(c);d=b.focusHandler({eventSource:b,originalEvent:c,preventDefaultAction:!1,userData:b.userData});d===!1&&a.cancelEvent(c)}}function s(b,c){var d;if(b.blurHandler){c=a.getEvent(c);d=b.blurHandler({eventSource:b,originalEvent:c,preventDefaultAction:!1,userData:b.userData});d===!1&&a.cancelEvent(c)}}function t(a,b){v(a,b,b)}function u(b,c){c=a.getEvent(c);var d={target:c.target||c.srcElement,type:"wheel",shiftKey:c.shiftKey||!1,clientX:c.clientX,clientY:c.clientY,pageX:c.pageX?c.pageX:c.clientX,pageY:c.pageY?c.pageY:c.clientY,deltaMode:"MozMousePixelScroll"==c.type?0:1,deltaX:0,deltaZ:0};"mousewheel"==a.MouseTracker.wheelEventName?d.deltaY=-1/a.DEFAULT_SETTINGS.pixelsPerWheelLine*c.wheelDelta:d.deltaY=c.detail;v(b,d,c)}function v(b,c,d){var e,f=0;f=c.deltaY<0?1:-1;if(b.scrollHandler){e=b.scrollHandler({eventSource:b,pointerType:"mouse",position:j(c,b.element),scroll:f,shift:c.shiftKey,isTouchEvent:!1,originalEvent:d,preventDefaultAction:!1,userData:b.userData});e===!1&&a.cancelEvent(d)}}function w(a,b){if(a===b)return!1;for(;b&&b!==a;)b=b.parentNode;return b===a}function x(b,c){c=a.getEvent(c);z(b,c)}function y(b,c){c=a.getEvent(c);c.currentTarget===c.relatedTarget||w(c.currentTarget,c.relatedTarget)||z(b,c)}function z(b,c){var 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c,d;if(a.getById(b.id)){c=a.removeById(b.id);if(!b.hasOwnProperty("isPrimary")){d=a.getPrimary();if(!d){d=a.getByIndex(0);d&&(d.isPrimary=!0)}}}else c=a.getLength();return c}function ga(b,c,d){var e,f,g,h,i=b.getActivePointersListByType(d[0].type),j=d.length;for(e=0;j>e;e++){f=d[e];g=i.getById(f.id);if(g){g.insideElement=!0;g.lastPos=g.currentPos;g.lastTime=g.currentTime;g.currentPos=f.currentPos;g.currentTime=f.currentTime;f=g}else{f.captured=!1;f.insideElementPressed=!1;f.insideElement=!0;ea(i,f)}if(b.enterHandler){h=b.enterHandler({eventSource:b,pointerType:f.type,position:k(f.currentPos,b.element),buttons:i.buttons,pointers:b.getActivePointerCount(),insideElementPressed:f.insideElementPressed,buttonDownAny:0!==i.buttons,isTouchEvent:"touch"===f.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});h===!1&&a.cancelEvent(c)}}}function ha(b,c,d){var e,f,g,h,i=(pa[b.hash],b.getActivePointersListByType(d[0].type)),j=d.length;for(e=0;j>e;e++){f=d[e];g=i.getById(f.id);if(g){if(g.captured){g.insideElement=!1;g.lastPos=g.currentPos;g.lastTime=g.currentTime;g.currentPos=f.currentPos;g.currentTime=f.currentTime}else fa(i,g);f=g}if(b.exitHandler){h=b.exitHandler({eventSource:b,pointerType:f.type,position:k(f.currentPos,b.element),buttons:i.buttons,pointers:b.getActivePointerCount(),insideElementPressed:g?g.insideElementPressed:!1,buttonDownAny:0!==i.buttons,isTouchEvent:"touch"===f.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});h===!1&&a.cancelEvent(c)}}}function ia(b,c,d,e){var f,g,h,i,j=pa[b.hash],m=b.getActivePointersListByType(d[0].type),n=d.length;"undefined"!=typeof c.buttons?m.buttons=c.buttons:a.Browser.vendor===a.BROWSERS.IE&&a.Browser.version<9?0===e?m.buttons+=1:1===e?m.buttons+=4:2===e?m.buttons+=2:3===e?m.buttons+=8:4===e?m.buttons+=16:5===e&&(m.buttons+=32):0===e?m.buttons|=1:1===e?m.buttons|=4:2===e?m.buttons|=2:3===e?m.buttons|=8:4===e?m.buttons|=16:5===e&&(m.buttons|=32);if(0!==e){if(b.nonPrimaryPressHandler){f=b.nonPrimaryPressHandler({eventSource:b,pointerType:d[0].type,position:k(d[0].currentPos,b.element),button:e,buttons:m.buttons,isTouchEvent:"touch"===d[0].type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}return!1}for(g=0;n>g;g++){h=d[g];i=m.getById(h.id);if(i){i.captured=!0;i.insideElementPressed=!0;i.insideElement=!0;i.contactPos=h.currentPos;i.contactTime=h.currentTime;i.lastPos=i.currentPos;i.lastTime=i.currentTime;i.currentPos=h.currentPos;i.currentTime=h.currentTime;h=i}else{h.captured=!0;h.insideElementPressed=!0;h.insideElement=!0;ea(m,h)}m.contacts++;(b.dragHandler||b.dragEndHandler||b.pinchHandler)&&a.MouseTracker.gesturePointVelocityTracker.addPoint(b,h);if(1===m.contacts){if(b.pressHandler){f=b.pressHandler({eventSource:b,pointerType:h.type,position:k(h.contactPos,b.element),buttons:m.buttons,isTouchEvent:"touch"===h.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}}else if(2===m.contacts&&b.pinchHandler&&"touch"===h.type){j.pinchGPoints=m.asArray();j.lastPinchDist=j.currentPinchDist=j.pinchGPoints[0].currentPos.distanceTo(j.pinchGPoints[1].currentPos);j.lastPinchCenter=j.currentPinchCenter=l(j.pinchGPoints[0].currentPos,j.pinchGPoints[1].currentPos)}}return!0}function ja(b,c,d,e){var f,g,h,i,j,m,n,o=pa[b.hash],p=b.getActivePointersListByType(d[0].type),q=d.length,r=!1,s=!1;"undefined"!=typeof c.buttons?p.buttons=c.buttons:a.Browser.vendor===a.BROWSERS.IE&&a.Browser.version<9?0===e?p.buttons-=1:1===e?p.buttons-=4:2===e?p.buttons-=2:3===e?p.buttons-=8:4===e?p.buttons-=16:5===e&&(p.buttons-=32):0===e?p.buttons^=-2:1===e?p.buttons^=-5:2===e?p.buttons^=-3:3===e?p.buttons^=-9:4===e?p.buttons^=-17:5===e&&(p.buttons^=-33);if(0!==e){if(b.nonPrimaryReleaseHandler){f=b.nonPrimaryReleaseHandler({eventSource:b,pointerType:d[0].type,position:k(d[0].currentPos,b.element),button:e,buttons:p.buttons,isTouchEvent:"touch"===d[0].type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}return!1}for(i=0;q>i;i++){j=d[i];m=p.getById(j.id);if(m){if(m.captured){m.captured=!1;r=!0;s=!0}m.lastPos=m.currentPos;m.lastTime=m.currentTime;m.currentPos=j.currentPos;m.currentTime=j.currentTime;m.insideElement||fa(p,m);g=m.currentPos;h=m.currentTime;if(s){p.contacts--;(b.dragHandler||b.dragEndHandler||b.pinchHandler)&&a.MouseTracker.gesturePointVelocityTracker.removePoint(b,m);if(0===p.contacts){if(b.releaseHandler){f=b.releaseHandler({eventSource:b,pointerType:m.type,position:k(g,b.element),buttons:p.buttons,insideElementPressed:m.insideElementPressed,insideElementReleased:m.insideElement,isTouchEvent:"touch"===m.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}if(b.dragEndHandler&&!m.currentPos.equals(m.contactPos)){f=b.dragEndHandler({eventSource:b,pointerType:m.type,position:k(m.currentPos,b.element),speed:m.speed,direction:m.direction,shift:c.shiftKey,isTouchEvent:"touch"===m.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}if((b.clickHandler||b.dblClickHandler)&&m.insideElement){n=h-m.contactTime<=b.clickTimeThreshold&&m.contactPos.distanceTo(g)<=b.clickDistThreshold;if(b.clickHandler){f=b.clickHandler({eventSource:b,pointerType:m.type,position:k(m.currentPos,b.element),quick:n,shift:c.shiftKey,isTouchEvent:"touch"===m.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}if(b.dblClickHandler&&n){p.clicks++;if(1===p.clicks){o.lastClickPos=g;o.dblClickTimeOut=setTimeout(function(){p.clicks=0},b.dblClickTimeThreshold)}else if(2===p.clicks){clearTimeout(o.dblClickTimeOut);p.clicks=0;if(o.lastClickPos.distanceTo(g)<=b.dblClickDistThreshold){f=b.dblClickHandler({eventSource:b,pointerType:m.type,position:k(m.currentPos,b.element),shift:c.shiftKey,isTouchEvent:"touch"===m.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}o.lastClickPos=null}}}}else if(2===p.contacts&&b.pinchHandler&&"touch"===m.type){o.pinchGPoints=p.asArray();o.lastPinchDist=o.currentPinchDist=o.pinchGPoints[0].currentPos.distanceTo(o.pinchGPoints[1].currentPos);o.lastPinchCenter=o.currentPinchCenter=l(o.pinchGPoints[0].currentPos,o.pinchGPoints[1].currentPos)}}else if(b.releaseHandler){f=b.releaseHandler({eventSource:b,pointerType:m.type,position:k(g,b.element),buttons:p.buttons,insideElementPressed:m.insideElementPressed,insideElementReleased:m.insideElement,isTouchEvent:"touch"===m.type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});f===!1&&a.cancelEvent(c)}}}return r}function ka(b,c,d){var e,f,g,h,i,j,m=pa[b.hash],n=b.getActivePointersListByType(d[0].type),o=d.length;"undefined"!=typeof c.buttons&&(n.buttons=c.buttons);for(e=0;o>e;e++){f=d[e];g=n.getById(f.id);if(g){f.hasOwnProperty("isPrimary")&&(g.isPrimary=f.isPrimary);g.lastPos=g.currentPos;g.lastTime=g.currentTime;g.currentPos=f.currentPos;g.currentTime=f.currentTime}else{f.captured=!1;f.insideElementPressed=!1;f.insideElement=!0;ea(n,f)}}if(b.stopHandler&&"mouse"===d[0].type){clearTimeout(b.stopTimeOut);b.stopTimeOut=setTimeout(function(){ma(b,c,d[0].type)},b.stopDelay)}if(0===n.contacts){if(b.moveHandler){j=b.moveHandler({eventSource:b,pointerType:d[0].type,position:k(d[0].currentPos,b.element),buttons:n.buttons,isTouchEvent:"touch"===d[0].type,originalEvent:c,preventDefaultAction:!1,userData:b.userData});j===!1&&a.cancelEvent(c)}}else 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if(window.MSPointerEvent&&window.navigator.msPointerEnabled){a.MouseTracker.havePointerEvents=!0;a.MouseTracker.subscribeEvents.push("MSPointerOver","MSPointerOut","MSPointerDown","MSPointerUp","MSPointerMove","MSPointerCancel");a.MouseTracker.unprefixedPointerEvents=!1;navigator.msMaxTouchPoints?a.MouseTracker.maxTouchPoints=navigator.msMaxTouchPoints:a.MouseTracker.maxTouchPoints=0;a.MouseTracker.haveMouseEnter=!1}else{a.MouseTracker.havePointerEvents=!1;if(a.Browser.vendor===a.BROWSERS.IE&&a.Browser.version<9){a.MouseTracker.subscribeEvents.push("mouseenter","mouseleave");a.MouseTracker.haveMouseEnter=!0}else{a.MouseTracker.subscribeEvents.push("mouseover","mouseout");a.MouseTracker.haveMouseEnter=!1}a.MouseTracker.subscribeEvents.push("mousedown","mouseup","mousemove");"ontouchstart"in window&&a.MouseTracker.subscribeEvents.push("touchstart","touchend","touchmove","touchcancel");"ongesturestart"in window&&a.MouseTracker.subscribeEvents.push("gesturestart","gesturechange");a.MouseTracker.mousePointerId="legacy-mouse";a.MouseTracker.maxTouchPoints=10}a.MouseTracker.GesturePointList=function(a){this._gPoints=[];this.type=a;this.buttons=0;this.contacts=0;this.clicks=0;this.captureCount=0};a.MouseTracker.GesturePointList.prototype={getLength:function(){return this._gPoints.length},asArray:function(){return this._gPoints},add:function(a){return this._gPoints.push(a)},removeById:function(a){var b,c=this._gPoints