photoswipe-ui-default.min.js000064400000023025150732341450012130 0ustar00/*! PhotoSwipe Default UI - 4.1.3 - 2019-01-08 * http://photoswipe.com * Copyright (c) 2019 Dmitry Semenov; */ !function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.PhotoSwipeUI_Default=t()}(this,function(){"use strict";return function(e,t){var n,o,l,r,i,s,a,u,c,p,d,m,f,h,w,g,v,b,_=this,C=!1,T=!0,I=!0,E={barsSize:{top:44,bottom:"auto"},closeElClasses:["item","caption","zoom-wrap","ui","top-bar"],timeToIdle:4e3,timeToIdleOutside:1e3,loadingIndicatorDelay:1e3,addCaptionHTMLFn:function(e,t){return e.title?(t.children[0].innerHTML=e.title,!0):(t.children[0].innerHTML="",!1)},closeEl:!0,captionEl:!0,fullscreenEl:!0,zoomEl:!0,shareEl:!0,counterEl:!0,arrowEl:!0,preloaderEl:!0,tapToClose:!1,tapToToggleControls:!0,clickToCloseNonZoomable:!0,shareButtons:[{id:"facebook",label:"Share on Facebook",url:"https://www.facebook.com/sharer/sharer.php?u={{url}}"},{id:"twitter",label:"Tweet",url:"https://twitter.com/intent/tweet?text={{text}}&url={{url}}"},{id:"pinterest",label:"Pin it",url:"http://www.pinterest.com/pin/create/button/?url={{url}}&media={{image_url}}&description={{text}}"},{id:"download",label:"Download image",url:"{{raw_image_url}}",download:!0}],getImageURLForShare:function(){return e.currItem.src||""},getPageURLForShare:function(){return window.location.href},getTextForShare:function(){return e.currItem.title||""},indexIndicatorSep:" / ",fitControlsWidth:1200},F=function(e){if(g)return!0;e=e||window.event,w.timeToIdle&&w.mouseUsed&&!c&&z();for(var n,o,l=(e.target||e.srcElement).getAttribute("class")||"",r=0;r-1&&(n.onTap(),o=!0);if(o){e.stopPropagation&&e.stopPropagation(),g=!0;var i=t.features.isOldAndroid?600:30;setTimeout(function(){g=!1},i)}},x=function(e,n,o){t[(o?"add":"remove")+"Class"](e,"pswp__"+n)},S=function(){var 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pswp__caption--fake")).appendChild(t.createEl("pswp__caption__center")),o.insertBefore(r,l),t.addClass(o,"pswp__ui--fit")),w.addCaptionHTMLFn(n,r,!0)){var a=r.clientHeight;i.bottom=parseInt(a,10)||44}else i.bottom=s.top;else i.bottom="auto"===s.bottom?0:s.bottom;i.top=s.top}else 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i;t.extend(e.options,E,!0),w=e.options,o=t.getChildByClass(e.scrollWrap,"pswp__ui"),(p=e.listen)("onVerticalDrag",function(e){T&&e<.95?_.hideControls():!T&&e>=.95&&_.showControls()}),p("onPinchClose",function(e){T&&e<.9?(_.hideControls(),i=!0):i&&!T&&e>.9&&_.showControls()}),p("zoomGestureEnded",function(){(i=!1)&&!T&&_.showControls()}),p("beforeChange",_.update),p("doubleTap",function(t){var n=e.currItem.initialZoomLevel;e.getZoomLevel()!==n?e.zoomTo(n,t,333):e.zoomTo(w.getDoubleTapZoom(!1,e.currItem),t,333)}),p("preventDragEvent",function(e,t,n){var o=e.target||e.srcElement;o&&o.getAttribute("class")&&e.type.indexOf("mouse")>-1&&(o.getAttribute("class").indexOf("__caption")>0||/(SMALL|STRONG|EM)/i.test(o.tagName))&&(n.prevent=!1)}),p("bindEvents",function(){t.bind(o,"pswpTap click",F),t.bind(e.scrollWrap,"pswpTap",_.onGlobalTap),e.likelyTouchDevice||t.bind(e.scrollWrap,"mouseover",_.onMouseOver)}),p("unbindEvents",function(){I||K(),v&&clearInterval(v),t.unbind(document,"mouseout",M),t.unbind(document,"mousemove",z),t.unbind(o,"pswpTap click",F),t.unbind(e.scrollWrap,"pswpTap",_.onGlobalTap),t.unbind(e.scrollWrap,"mouseover",_.onMouseOver),n&&(t.unbind(document,n.eventK,_.updateFullscreen),n.isFullscreen()&&(w.hideAnimationDuration=0,n.exit()),n=null)}),p("destroy",function(){w.captionEl&&(r&&o.removeChild(r),t.removeClass(l,"pswp__caption--empty")),a&&(a.children[0].onclick=null),t.removeClass(o,"pswp__ui--over-close"),t.addClass(o,"pswp__ui--hidden"),_.setIdle(!1)}),w.showAnimationDuration||t.removeClass(o,"pswp__ui--hidden"),p("initialZoomIn",function(){w.showAnimationDuration&&t.removeClass(o,"pswp__ui--hidden")}),p("initialZoomOut",function(){t.addClass(o,"pswp__ui--hidden")}),p("parseVerticalMargin",A),function(){var e,n,l,r=function(o){if(o)for(var r=o.length,i=0;i-1&&(w[l.option]?(t.removeClass(e,"pswp__element--disabled"),l.onInit&&l.onInit(e)):t.addClass(e,"pswp__element--disabled"))}};r(o.children);var i=t.getChildByClass(o,"pswp__top-bar");i&&r(i.children)}(),w.shareEl&&s&&a&&(I=!0),S(),w.timeToIdle&&p("mouseUsed",function(){t.bind(document,"mousemove",z),t.bind(document,"mouseout",M),v=setInterval(function(){2==++y&&_.setIdle(!0)},w.timeToIdle/2)}),w.fullscreenEl&&!t.features.isOldAndroid&&(n||(n=_.getFullscreenAPI()),n?(t.bind(document,n.eventK,_.updateFullscreen),_.updateFullscreen(),t.addClass(e.template,"pswp--supports-fs")):t.removeClass(e.template,"pswp--supports-fs")),w.preloaderEl&&(D(!0),p("beforeChange",function(){clearTimeout(f),f=setTimeout(function(){e.currItem&&e.currItem.loading?(!e.allowProgressiveImg()||e.currItem.img&&!e.currItem.img.naturalWidth)&&D(!1):D(!0)},w.loadingIndicatorDelay)}),p("imageLoadComplete",function(t,n){e.currItem===n&&D(!0)}))},_.setIdle=function(e){c=e,x(o,"ui--idle",e)},_.update=function(){T&&e.currItem?(_.updateIndexIndicator(),w.captionEl&&(w.addCaptionHTMLFn(e.currItem,l),x(l,"caption--empty",!e.currItem.title)),C=!0):C=!1,I||K(),S()},_.updateFullscreen=function(o){o&&setTimeout(function(){e.setScrollOffset(0,t.getScrollY())},50),t[(n.isFullscreen()?"add":"remove")+"Class"](e.template,"pswp--fs")},_.updateIndexIndicator=function(){w.counterEl&&(i.innerHTML=e.getCurrentIndex()+1+w.indexIndicatorSep+w.getNumItemsFn())},_.onGlobalTap=function(n){var o=(n=n||window.event).target||n.srcElement;if(!g)if(n.detail&&"mouse"===n.detail.pointerType){if(R(o))return void e.close();t.hasClass(o,"pswp__img")&&(1===e.getZoomLevel()&&e.getZoomLevel()<=e.currItem.fitRatio?w.clickToCloseNonZoomable&&e.close():e.toggleDesktopZoom(n.detail.releasePoint))}else if(w.tapToToggleControls&&(T?_.hideControls():_.showControls()),w.tapToClose&&(t.hasClass(o,"pswp__img")||R(o)))return void e.close()},_.onMouseOver=function(e){var t=(e=e||window.event).target||e.srcElement;x(o,"ui--over-close",R(t))},_.hideControls=function(){t.addClass(o,"pswp__ui--hidden"),T=!1},_.showControls=function(){T=!0,C||_.update(),t.removeClass(o,"pswp__ui--hidden")},_.supportsFullscreen=function(){var e=document;return!!(e.exitFullscreen||e.mozCancelFullScreen||e.webkitExitFullscreen||e.msExitFullscreen)},_.getFullscreenAPI=function(){var t,n=document.documentElement,o="fullscreenchange";return n.requestFullscreen?t={enterK:"requestFullscreen",exitK:"exitFullscreen",elementK:"fullscreenElement",eventK:o}:n.mozRequestFullScreen?t={enterK:"mozRequestFullScreen",exitK:"mozCancelFullScreen",elementK:"mozFullScreenElement",eventK:"moz"+o}:n.webkitRequestFullscreen?t={enterK:"webkitRequestFullscreen",exitK:"webkitExitFullscreen",elementK:"webkitFullscreenElement",eventK:"webkit"+o}:n.msRequestFullscreen&&(t={enterK:"msRequestFullscreen",exitK:"msExitFullscreen",elementK:"msFullscreenElement",eventK:"MSFullscreenChange"}),t&&(t.enter=function(){if(u=w.closeOnScroll,w.closeOnScroll=!1,"webkitRequestFullscreen"!==this.enterK)return e.template[this.enterK]();e.template[this.enterK](Element.ALLOW_KEYBOARD_INPUT)},t.exit=function(){return w.closeOnScroll=u,document[this.exitK]()},t.isFullscreen=function(){return document[this.elementK]}),t}}});photoswipe-ui-default.js000064400000052000150732341450011341 0ustar00/*! PhotoSwipe Default UI - 4.1.3 - 2019-01-08 * http://photoswipe.com * Copyright (c) 2019 Dmitry Semenov; */ /** * * UI on top of main sliding area (caption, arrows, close button, etc.). * Built just using public methods/properties of PhotoSwipe. * */ (function (root, factory) { if (typeof define === 'function' && define.amd) { define(factory); } else if (typeof exports === 'object') { module.exports = factory(); } else { root.PhotoSwipeUI_Default = factory(); } })(this, function () { 'use strict'; var PhotoSwipeUI_Default = function(pswp, framework) { var ui = this; var _overlayUIUpdated = false, _controlsVisible = true, _fullscrenAPI, _controls, _captionContainer, _fakeCaptionContainer, _indexIndicator, _shareButton, _shareModal, _shareModalHidden = true, _initalCloseOnScrollValue, _isIdle, _listen, _loadingIndicator, _loadingIndicatorHidden, _loadingIndicatorTimeout, _galleryHasOneSlide, _options, _defaultUIOptions = { barsSize: {top:44, bottom:'auto'}, closeElClasses: ['item', 'caption', 'zoom-wrap', 'ui', 'top-bar'], timeToIdle: 4000, timeToIdleOutside: 1000, loadingIndicatorDelay: 1000, // 2s addCaptionHTMLFn: function(item, captionEl /*, isFake */) { if(!item.title) { captionEl.children[0].innerHTML = ''; return false; } captionEl.children[0].innerHTML = item.title; return true; }, closeEl:true, captionEl: true, fullscreenEl: true, zoomEl: true, shareEl: true, counterEl: true, arrowEl: true, preloaderEl: true, tapToClose: false, tapToToggleControls: true, clickToCloseNonZoomable: true, shareButtons: [ {id:'facebook', label:'Share on Facebook', url:'https://www.facebook.com/sharer/sharer.php?u={{url}}'}, {id:'twitter', label:'Tweet', url:'https://twitter.com/intent/tweet?text={{text}}&url={{url}}'}, {id:'pinterest', label:'Pin it', url:'http://www.pinterest.com/pin/create/button/'+ '?url={{url}}&media={{image_url}}&description={{text}}'}, {id:'download', label:'Download image', url:'{{raw_image_url}}', download:true} ], getImageURLForShare: function( /* shareButtonData */ ) { return pswp.currItem.src || ''; }, getPageURLForShare: function( /* shareButtonData */ ) { return window.location.href; }, getTextForShare: function( /* shareButtonData */ ) { return pswp.currItem.title || ''; }, indexIndicatorSep: ' / ', fitControlsWidth: 1200 }, _blockControlsTap, _blockControlsTapTimeout; var _onControlsTap = function(e) { if(_blockControlsTap) { return true; } e = e || window.event; if(_options.timeToIdle && _options.mouseUsed && !_isIdle) { // reset idle timer _onIdleMouseMove(); } var target = e.target || e.srcElement, uiElement, clickedClass = target.getAttribute('class') || '', found; for(var i = 0; i < _uiElements.length; i++) { uiElement = _uiElements[i]; if(uiElement.onTap && clickedClass.indexOf('pswp__' + uiElement.name ) > -1 ) { uiElement.onTap(); found = true; } } if(found) { if(e.stopPropagation) { e.stopPropagation(); } _blockControlsTap = true; // Some versions of Android don't prevent ghost click event // when preventDefault() was called on touchstart and/or touchend. // // This happens on v4.3, 4.2, 4.1, // older versions strangely work correctly, // but just in case we add delay on all of them) var tapDelay = framework.features.isOldAndroid ? 600 : 30; _blockControlsTapTimeout = setTimeout(function() { _blockControlsTap = false; }, tapDelay); } }, _fitControlsInViewport = function() { return !pswp.likelyTouchDevice || _options.mouseUsed || screen.width > _options.fitControlsWidth; }, _togglePswpClass = function(el, cName, add) { framework[ (add ? 'add' : 'remove') + 'Class' ](el, 'pswp__' + cName); }, // add class when there is just one item in the gallery // (by default it hides left/right arrows and 1ofX counter) _countNumItems = function() { var hasOneSlide = (_options.getNumItemsFn() === 1); if(hasOneSlide !== _galleryHasOneSlide) { _togglePswpClass(_controls, 'ui--one-slide', hasOneSlide); _galleryHasOneSlide = hasOneSlide; } }, _toggleShareModalClass = function() { _togglePswpClass(_shareModal, 'share-modal--hidden', _shareModalHidden); }, _toggleShareModal = function() { _shareModalHidden = !_shareModalHidden; if(!_shareModalHidden) { _toggleShareModalClass(); setTimeout(function() { if(!_shareModalHidden) { framework.addClass(_shareModal, 'pswp__share-modal--fade-in'); } }, 30); } else { framework.removeClass(_shareModal, 'pswp__share-modal--fade-in'); setTimeout(function() { if(_shareModalHidden) { _toggleShareModalClass(); } }, 300); } if(!_shareModalHidden) { _updateShareURLs(); } return false; }, _openWindowPopup = function(e) { e = e || window.event; var target = e.target || e.srcElement; pswp.shout('shareLinkClick', e, target); if(!target.href) { return false; } if( target.hasAttribute('download') ) { return true; } window.open(target.href, 'pswp_share', 'scrollbars=yes,resizable=yes,toolbar=no,'+ 'location=yes,width=550,height=420,top=100,left=' + (window.screen ? Math.round(screen.width / 2 - 275) : 100) ); if(!_shareModalHidden) { _toggleShareModal(); } return false; }, _updateShareURLs = function() { var shareButtonOut = '', shareButtonData, shareURL, image_url, page_url, share_text; for(var i = 0; i < _options.shareButtons.length; i++) { shareButtonData = _options.shareButtons[i]; image_url = _options.getImageURLForShare(shareButtonData); page_url = _options.getPageURLForShare(shareButtonData); share_text = _options.getTextForShare(shareButtonData); shareURL = shareButtonData.url.replace('{{url}}', encodeURIComponent(page_url) ) .replace('{{image_url}}', encodeURIComponent(image_url) ) .replace('{{raw_image_url}}', image_url ) .replace('{{text}}', encodeURIComponent(share_text) ); shareButtonOut += '' + shareButtonData.label + ''; if(_options.parseShareButtonOut) { shareButtonOut = _options.parseShareButtonOut(shareButtonData, shareButtonOut); } } _shareModal.children[0].innerHTML = shareButtonOut; _shareModal.children[0].onclick = _openWindowPopup; }, _hasCloseClass = function(target) { for(var i = 0; i < _options.closeElClasses.length; i++) { if( framework.hasClass(target, 'pswp__' + _options.closeElClasses[i]) ) { return true; } } }, _idleInterval, _idleTimer, _idleIncrement = 0, _onIdleMouseMove = function() { clearTimeout(_idleTimer); _idleIncrement = 0; if(_isIdle) { ui.setIdle(false); } }, _onMouseLeaveWindow = function(e) { e = e ? e : window.event; var from = e.relatedTarget || e.toElement; if (!from || from.nodeName === 'HTML') { clearTimeout(_idleTimer); _idleTimer = setTimeout(function() { ui.setIdle(true); }, _options.timeToIdleOutside); } }, _setupFullscreenAPI = function() { if(_options.fullscreenEl && !framework.features.isOldAndroid) { if(!_fullscrenAPI) { _fullscrenAPI = ui.getFullscreenAPI(); } if(_fullscrenAPI) { framework.bind(document, _fullscrenAPI.eventK, ui.updateFullscreen); ui.updateFullscreen(); framework.addClass(pswp.template, 'pswp--supports-fs'); } else { framework.removeClass(pswp.template, 'pswp--supports-fs'); } } }, _setupLoadingIndicator = function() { // Setup loading indicator if(_options.preloaderEl) { _toggleLoadingIndicator(true); _listen('beforeChange', function() { clearTimeout(_loadingIndicatorTimeout); // display loading indicator with delay _loadingIndicatorTimeout = setTimeout(function() { if(pswp.currItem && pswp.currItem.loading) { if( !pswp.allowProgressiveImg() || (pswp.currItem.img && !pswp.currItem.img.naturalWidth) ) { // show preloader if progressive loading is not enabled, // or image width is not defined yet (because of slow connection) _toggleLoadingIndicator(false); // items-controller.js function allowProgressiveImg } } else { _toggleLoadingIndicator(true); // hide preloader } }, _options.loadingIndicatorDelay); }); _listen('imageLoadComplete', function(index, item) { if(pswp.currItem === item) { _toggleLoadingIndicator(true); } }); } }, _toggleLoadingIndicator = function(hide) { if( _loadingIndicatorHidden !== hide ) { _togglePswpClass(_loadingIndicator, 'preloader--active', !hide); _loadingIndicatorHidden = hide; } }, _applyNavBarGaps = function(item) { var gap = item.vGap; if( _fitControlsInViewport() ) { var bars = _options.barsSize; if(_options.captionEl && bars.bottom === 'auto') { if(!_fakeCaptionContainer) { _fakeCaptionContainer = framework.createEl('pswp__caption pswp__caption--fake'); _fakeCaptionContainer.appendChild( framework.createEl('pswp__caption__center') ); _controls.insertBefore(_fakeCaptionContainer, _captionContainer); framework.addClass(_controls, 'pswp__ui--fit'); } if( _options.addCaptionHTMLFn(item, _fakeCaptionContainer, true) ) { var captionSize = _fakeCaptionContainer.clientHeight; gap.bottom = parseInt(captionSize,10) || 44; } else { gap.bottom = bars.top; // if no caption, set size of bottom gap to size of top } } else { gap.bottom = bars.bottom === 'auto' ? 0 : bars.bottom; } // height of top bar is static, no need to calculate it gap.top = bars.top; } else { gap.top = gap.bottom = 0; } }, _setupIdle = function() { // Hide controls when mouse is used if(_options.timeToIdle) { _listen('mouseUsed', function() { framework.bind(document, 'mousemove', _onIdleMouseMove); framework.bind(document, 'mouseout', _onMouseLeaveWindow); _idleInterval = setInterval(function() { _idleIncrement++; if(_idleIncrement === 2) { ui.setIdle(true); } }, _options.timeToIdle / 2); }); } }, _setupHidingControlsDuringGestures = function() { // Hide controls on vertical drag _listen('onVerticalDrag', function(now) { if(_controlsVisible && now < 0.95) { ui.hideControls(); } else if(!_controlsVisible && now >= 0.95) { ui.showControls(); } }); // Hide controls when pinching to close var pinchControlsHidden; _listen('onPinchClose' , function(now) { if(_controlsVisible && now < 0.9) { ui.hideControls(); pinchControlsHidden = true; } else if(pinchControlsHidden && !_controlsVisible && now > 0.9) { ui.showControls(); } }); _listen('zoomGestureEnded', function() { pinchControlsHidden = false; if(pinchControlsHidden && !_controlsVisible) { ui.showControls(); } }); }; var _uiElements = [ { name: 'caption', option: 'captionEl', onInit: function(el) { _captionContainer = el; } }, { name: 'share-modal', option: 'shareEl', onInit: function(el) { _shareModal = el; }, onTap: function() { _toggleShareModal(); } }, { name: 'button--share', option: 'shareEl', onInit: function(el) { _shareButton = el; }, onTap: function() { _toggleShareModal(); } }, { name: 'button--zoom', option: 'zoomEl', onTap: pswp.toggleDesktopZoom }, { name: 'counter', option: 'counterEl', onInit: function(el) { _indexIndicator = el; } }, { name: 'button--close', option: 'closeEl', onTap: pswp.close }, { name: 'button--arrow--left', option: 'arrowEl', onTap: pswp.prev }, { name: 'button--arrow--right', option: 'arrowEl', onTap: pswp.next }, { name: 'button--fs', option: 'fullscreenEl', onTap: function() { if(_fullscrenAPI.isFullscreen()) { _fullscrenAPI.exit(); } else { _fullscrenAPI.enter(); } } }, { name: 'preloader', option: 'preloaderEl', onInit: function(el) { _loadingIndicator = el; } } ]; var _setupUIElements = function() { var item, classAttr, uiElement; var loopThroughChildElements = function(sChildren) { if(!sChildren) { return; } var l = sChildren.length; for(var i = 0; i < l; i++) { item = sChildren[i]; classAttr = item.className; for(var a = 0; a < _uiElements.length; a++) { uiElement = _uiElements[a]; if(classAttr.indexOf('pswp__' + uiElement.name) > -1 ) { if( _options[uiElement.option] ) { // if element is not disabled from options framework.removeClass(item, 'pswp__element--disabled'); if(uiElement.onInit) { uiElement.onInit(item); } //item.style.display = 'block'; } else { framework.addClass(item, 'pswp__element--disabled'); //item.style.display = 'none'; } } } } }; loopThroughChildElements(_controls.children); var topBar = framework.getChildByClass(_controls, 'pswp__top-bar'); if(topBar) { loopThroughChildElements( topBar.children ); } }; ui.init = function() { // extend options framework.extend(pswp.options, _defaultUIOptions, true); // create local link for fast access _options = pswp.options; // find pswp__ui element _controls = framework.getChildByClass(pswp.scrollWrap, 'pswp__ui'); // create local link _listen = pswp.listen; _setupHidingControlsDuringGestures(); // update controls when slides change _listen('beforeChange', ui.update); // toggle zoom on double-tap _listen('doubleTap', function(point) { var initialZoomLevel = pswp.currItem.initialZoomLevel; if(pswp.getZoomLevel() !== initialZoomLevel) { pswp.zoomTo(initialZoomLevel, point, 333); } else { pswp.zoomTo(_options.getDoubleTapZoom(false, pswp.currItem), point, 333); } }); // Allow text selection in caption _listen('preventDragEvent', function(e, isDown, preventObj) { var t = e.target || e.srcElement; if( t && t.getAttribute('class') && e.type.indexOf('mouse') > -1 && ( t.getAttribute('class').indexOf('__caption') > 0 || (/(SMALL|STRONG|EM)/i).test(t.tagName) ) ) { preventObj.prevent = false; } }); // bind events for UI _listen('bindEvents', function() { framework.bind(_controls, 'pswpTap click', _onControlsTap); framework.bind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap); if(!pswp.likelyTouchDevice) { framework.bind(pswp.scrollWrap, 'mouseover', ui.onMouseOver); } }); // unbind events for UI _listen('unbindEvents', function() { if(!_shareModalHidden) { _toggleShareModal(); } if(_idleInterval) { clearInterval(_idleInterval); } framework.unbind(document, 'mouseout', _onMouseLeaveWindow); framework.unbind(document, 'mousemove', _onIdleMouseMove); framework.unbind(_controls, 'pswpTap click', _onControlsTap); framework.unbind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap); framework.unbind(pswp.scrollWrap, 'mouseover', ui.onMouseOver); if(_fullscrenAPI) { framework.unbind(document, _fullscrenAPI.eventK, ui.updateFullscreen); if(_fullscrenAPI.isFullscreen()) { _options.hideAnimationDuration = 0; _fullscrenAPI.exit(); } _fullscrenAPI = null; } }); // clean up things when gallery is destroyed _listen('destroy', function() { if(_options.captionEl) { if(_fakeCaptionContainer) { _controls.removeChild(_fakeCaptionContainer); } framework.removeClass(_captionContainer, 'pswp__caption--empty'); } if(_shareModal) { _shareModal.children[0].onclick = null; } framework.removeClass(_controls, 'pswp__ui--over-close'); framework.addClass( _controls, 'pswp__ui--hidden'); ui.setIdle(false); }); if(!_options.showAnimationDuration) { framework.removeClass( _controls, 'pswp__ui--hidden'); } _listen('initialZoomIn', function() { if(_options.showAnimationDuration) { framework.removeClass( _controls, 'pswp__ui--hidden'); } }); _listen('initialZoomOut', function() { framework.addClass( _controls, 'pswp__ui--hidden'); }); _listen('parseVerticalMargin', _applyNavBarGaps); _setupUIElements(); if(_options.shareEl && _shareButton && _shareModal) { _shareModalHidden = true; } _countNumItems(); _setupIdle(); _setupFullscreenAPI(); _setupLoadingIndicator(); }; ui.setIdle = function(isIdle) { _isIdle = isIdle; _togglePswpClass(_controls, 'ui--idle', isIdle); }; ui.update = function() { // Don't update UI if it's hidden if(_controlsVisible && pswp.currItem) { ui.updateIndexIndicator(); if(_options.captionEl) { _options.addCaptionHTMLFn(pswp.currItem, _captionContainer); _togglePswpClass(_captionContainer, 'caption--empty', !pswp.currItem.title); } _overlayUIUpdated = true; } else { _overlayUIUpdated = false; } if(!_shareModalHidden) { _toggleShareModal(); } _countNumItems(); }; ui.updateFullscreen = function(e) { if(e) { // some browsers change window scroll position during the fullscreen // so PhotoSwipe updates it just in case setTimeout(function() { pswp.setScrollOffset( 0, framework.getScrollY() ); }, 50); } // toogle pswp--fs class on root element framework[ (_fullscrenAPI.isFullscreen() ? 'add' : 'remove') + 'Class' ](pswp.template, 'pswp--fs'); }; ui.updateIndexIndicator = function() { if(_options.counterEl) { _indexIndicator.innerHTML = (pswp.getCurrentIndex()+1) + _options.indexIndicatorSep + _options.getNumItemsFn(); } }; ui.onGlobalTap = function(e) { e = e || window.event; var target = e.target || e.srcElement; if(_blockControlsTap) { return; } if(e.detail && e.detail.pointerType === 'mouse') { // close gallery if clicked outside of the image if(_hasCloseClass(target)) { pswp.close(); return; } if(framework.hasClass(target, 'pswp__img')) { if(pswp.getZoomLevel() === 1 && pswp.getZoomLevel() <= pswp.currItem.fitRatio) { if(_options.clickToCloseNonZoomable) { pswp.close(); } } else { pswp.toggleDesktopZoom(e.detail.releasePoint); } } } else { // tap anywhere (except buttons) to toggle visibility of controls if(_options.tapToToggleControls) { if(_controlsVisible) { ui.hideControls(); } else { ui.showControls(); } } // tap to close gallery if(_options.tapToClose && (framework.hasClass(target, 'pswp__img') || _hasCloseClass(target)) ) { pswp.close(); return; } } }; ui.onMouseOver = function(e) { e = e || window.event; var target = e.target || e.srcElement; // add class when mouse is over an element that should close the gallery _togglePswpClass(_controls, 'ui--over-close', _hasCloseClass(target)); }; ui.hideControls = function() { framework.addClass(_controls,'pswp__ui--hidden'); _controlsVisible = false; }; ui.showControls = function() { _controlsVisible = true; if(!_overlayUIUpdated) { ui.update(); } framework.removeClass(_controls,'pswp__ui--hidden'); }; ui.supportsFullscreen = function() { var d = document; return !!(d.exitFullscreen || d.mozCancelFullScreen || d.webkitExitFullscreen || d.msExitFullscreen); }; ui.getFullscreenAPI = function() { var dE = document.documentElement, api, tF = 'fullscreenchange'; if (dE.requestFullscreen) { api = { enterK: 'requestFullscreen', exitK: 'exitFullscreen', elementK: 'fullscreenElement', eventK: tF }; } else if(dE.mozRequestFullScreen ) { api = { enterK: 'mozRequestFullScreen', exitK: 'mozCancelFullScreen', elementK: 'mozFullScreenElement', eventK: 'moz' + tF }; } else if(dE.webkitRequestFullscreen) { api = { enterK: 'webkitRequestFullscreen', exitK: 'webkitExitFullscreen', elementK: 'webkitFullscreenElement', eventK: 'webkit' + tF }; } else if(dE.msRequestFullscreen) { api = { enterK: 'msRequestFullscreen', exitK: 'msExitFullscreen', elementK: 'msFullscreenElement', eventK: 'MSFullscreenChange' }; } if(api) { api.enter = function() { // disable close-on-scroll in fullscreen _initalCloseOnScrollValue = _options.closeOnScroll; _options.closeOnScroll = false; if(this.enterK === 'webkitRequestFullscreen') { pswp.template[this.enterK]( Element.ALLOW_KEYBOARD_INPUT ); } else { return pswp.template[this.enterK](); } }; api.exit = function() { _options.closeOnScroll = _initalCloseOnScrollValue; return document[this.exitK](); }; api.isFullscreen = function() { return document[this.elementK]; }; } return api; }; }; return PhotoSwipeUI_Default; }); photoswipe.js000064400000267636150732341450007333 0ustar00/*! PhotoSwipe - v4.1.3 - 2019-01-08 * http://photoswipe.com * Copyright (c) 2019 Dmitry Semenov; */ (function (root, factory) { if (typeof define === 'function' && define.amd) { define(factory); } else if (typeof exports === 'object') { module.exports = factory(); } else { root.PhotoSwipe = factory(); } })(this, function () { 'use strict'; var PhotoSwipe = function(template, UiClass, items, options){ /*>>framework-bridge*/ /** * * Set of generic functions used by gallery. * * You're free to modify anything here as long as functionality is kept. * */ var framework = { features: null, bind: function(target, type, listener, unbind) { var methodName = (unbind ? 'remove' : 'add') + 'EventListener'; type = type.split(' '); for(var i = 0; i < type.length; i++) { if(type[i]) { target[methodName]( type[i], listener, false); } } }, isArray: function(obj) { return (obj instanceof Array); }, createEl: function(classes, tag) { var el = document.createElement(tag || 'div'); if(classes) { el.className = classes; } return el; }, getScrollY: function() { var yOffset = window.pageYOffset; return yOffset !== undefined ? yOffset : document.documentElement.scrollTop; }, unbind: function(target, type, listener) { framework.bind(target,type,listener,true); }, removeClass: function(el, className) { var reg = new RegExp('(\\s|^)' + className + '(\\s|$)'); el.className = el.className.replace(reg, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); }, addClass: function(el, className) { if( !framework.hasClass(el,className) ) { el.className += (el.className ? ' ' : '') + className; } }, hasClass: function(el, className) { return el.className && new RegExp('(^|\\s)' + className + '(\\s|$)').test(el.className); }, getChildByClass: function(parentEl, childClassName) { var node = parentEl.firstChild; while(node) { if( framework.hasClass(node, childClassName) ) { return node; } node = node.nextSibling; } }, arraySearch: function(array, value, key) { var i = array.length; while(i--) { if(array[i][key] === value) { return i; } } return -1; }, extend: function(o1, o2, preventOverwrite) { for (var prop in o2) { if (o2.hasOwnProperty(prop)) { if(preventOverwrite && o1.hasOwnProperty(prop)) { continue; } o1[prop] = o2[prop]; } } }, easing: { sine: { out: function(k) { return Math.sin(k * (Math.PI / 2)); }, inOut: function(k) { return - (Math.cos(Math.PI * k) - 1) / 2; } }, cubic: { out: function(k) { return --k * k * k + 1; } } /* elastic: { out: function ( k ) { var s, a = 0.1, p = 0.4; if ( k === 0 ) return 0; if ( k === 1 ) return 1; if ( !a || a < 1 ) { a = 1; s = p / 4; } else s = p * Math.asin( 1 / a ) / ( 2 * Math.PI ); return ( a * Math.pow( 2, - 10 * k) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) + 1 ); }, }, back: { out: function ( k ) { var s = 1.70158; return --k * k * ( ( s + 1 ) * k + s ) + 1; } } */ }, /** * * @return {object} * * { * raf : request animation frame function * caf : cancel animation frame function * transfrom : transform property key (with vendor), or null if not supported * oldIE : IE8 or below * } * */ detectFeatures: function() { if(framework.features) { return framework.features; } var helperEl = framework.createEl(), helperStyle = helperEl.style, vendor = '', features = {}; // IE8 and below features.oldIE = document.all && !document.addEventListener; features.touch = 'ontouchstart' in window; if(window.requestAnimationFrame) { features.raf = window.requestAnimationFrame; features.caf = window.cancelAnimationFrame; } features.pointerEvent = !!(window.PointerEvent) || navigator.msPointerEnabled; // fix false-positive detection of old Android in new IE // (IE11 ua string contains "Android 4.0") if(!features.pointerEvent) { var ua = navigator.userAgent; // Detect if device is iPhone or iPod and if it's older than iOS 8 // http://stackoverflow.com/a/14223920 // // This detection is made because of buggy top/bottom toolbars // that don't trigger window.resize event. // For more info refer to _isFixedPosition variable in core.js if (/iP(hone|od)/.test(navigator.platform)) { var v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/); if(v && v.length > 0) { v = parseInt(v[1], 10); if(v >= 1 && v < 8 ) { features.isOldIOSPhone = true; } } } // Detect old Android (before KitKat) // due to bugs related to position:fixed // http://stackoverflow.com/questions/7184573/pick-up-the-android-version-in-the-browser-by-javascript var match = ua.match(/Android\s([0-9\.]*)/); var androidversion = match ? match[1] : 0; androidversion = parseFloat(androidversion); if(androidversion >= 1 ) { if(androidversion < 4.4) { features.isOldAndroid = true; // for fixed position bug & performance } features.androidVersion = androidversion; // for touchend bug } features.isMobileOpera = /opera mini|opera mobi/i.test(ua); // p.s. yes, yes, UA sniffing is bad, propose your solution for above bugs. } var styleChecks = ['transform', 'perspective', 'animationName'], vendors = ['', 'webkit','Moz','ms','O'], styleCheckItem, styleName; for(var i = 0; i < 4; i++) { vendor = vendors[i]; for(var a = 0; a < 3; a++) { styleCheckItem = styleChecks[a]; // uppercase first letter of property name, if vendor is present styleName = vendor + (vendor ? styleCheckItem.charAt(0).toUpperCase() + styleCheckItem.slice(1) : styleCheckItem); if(!features[styleCheckItem] && styleName in helperStyle ) { features[styleCheckItem] = styleName; } } if(vendor && !features.raf) { vendor = vendor.toLowerCase(); features.raf = window[vendor+'RequestAnimationFrame']; if(features.raf) { features.caf = window[vendor+'CancelAnimationFrame'] || window[vendor+'CancelRequestAnimationFrame']; } } } if(!features.raf) { var lastTime = 0; features.raf = function(fn) { var currTime = new Date().getTime(); var timeToCall = Math.max(0, 16 - (currTime - lastTime)); var id = window.setTimeout(function() { fn(currTime + timeToCall); }, timeToCall); lastTime = currTime + timeToCall; return id; }; features.caf = function(id) { clearTimeout(id); }; } // Detect SVG support features.svg = !!document.createElementNS && !!document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect; framework.features = features; return features; } }; framework.detectFeatures(); // Override addEventListener for old versions of IE if(framework.features.oldIE) { framework.bind = function(target, type, listener, unbind) { type = type.split(' '); var methodName = (unbind ? 'detach' : 'attach') + 'Event', evName, _handleEv = function() { listener.handleEvent.call(listener); }; for(var i = 0; i < type.length; i++) { evName = type[i]; if(evName) { if(typeof listener === 'object' && listener.handleEvent) { if(!unbind) { listener['oldIE' + evName] = _handleEv; } else { if(!listener['oldIE' + evName]) { return false; } } target[methodName]( 'on' + evName, listener['oldIE' + evName]); } else { target[methodName]( 'on' + evName, listener); } } } }; } /*>>framework-bridge*/ /*>>core*/ //function(template, UiClass, items, options) var self = this; /** * Static vars, don't change unless you know what you're doing. */ var DOUBLE_TAP_RADIUS = 25, NUM_HOLDERS = 3; /** * Options */ var _options = { allowPanToNext:true, spacing: 0.12, bgOpacity: 1, mouseUsed: false, loop: true, pinchToClose: true, closeOnScroll: true, closeOnVerticalDrag: true, verticalDragRange: 0.75, hideAnimationDuration: 333, showAnimationDuration: 333, showHideOpacity: false, focus: true, escKey: true, arrowKeys: true, mainScrollEndFriction: 0.35, panEndFriction: 0.35, isClickableElement: function(el) { return el.tagName === 'A'; }, getDoubleTapZoom: function(isMouseClick, item) { if(isMouseClick) { return 1; } else { return item.initialZoomLevel < 0.7 ? 1 : 1.33; } }, maxSpreadZoom: 1.33, modal: true, // not fully implemented yet scaleMode: 'fit' // TODO }; framework.extend(_options, options); /** * Private helper variables & functions */ var _getEmptyPoint = function() { return {x:0,y:0}; }; var _isOpen, _isDestroying, _closedByScroll, _currentItemIndex, _containerStyle, _containerShiftIndex, _currPanDist = _getEmptyPoint(), _startPanOffset = _getEmptyPoint(), _panOffset = _getEmptyPoint(), _upMoveEvents, // drag move, drag end & drag cancel events array _downEvents, // drag start events array _globalEventHandlers, _viewportSize = {}, _currZoomLevel, _startZoomLevel, _translatePrefix, _translateSufix, _updateSizeInterval, _itemsNeedUpdate, _currPositionIndex = 0, _offset = {}, _slideSize = _getEmptyPoint(), // size of slide area, including spacing _itemHolders, _prevItemIndex, _indexDiff = 0, // difference of indexes since last content update _dragStartEvent, _dragMoveEvent, _dragEndEvent, _dragCancelEvent, _transformKey, _pointerEventEnabled, _isFixedPosition = true, _likelyTouchDevice, _modules = [], _requestAF, _cancelAF, _initalClassName, _initalWindowScrollY, _oldIE, _currentWindowScrollY, _features, _windowVisibleSize = {}, _renderMaxResolution = false, _orientationChangeTimeout, // Registers PhotoSWipe module (History, Controller ...) _registerModule = function(name, module) { framework.extend(self, module.publicMethods); _modules.push(name); }, _getLoopedId = function(index) { var numSlides = _getNumItems(); if(index > numSlides - 1) { return index - numSlides; } else if(index < 0) { return numSlides + index; } return index; }, // Micro bind/trigger _listeners = {}, _listen = function(name, fn) { if(!_listeners[name]) { _listeners[name] = []; } return _listeners[name].push(fn); }, _shout = function(name) { var listeners = _listeners[name]; if(listeners) { var args = Array.prototype.slice.call(arguments); args.shift(); for(var i = 0; i < listeners.length; i++) { listeners[i].apply(self, args); } } }, _getCurrentTime = function() { return new Date().getTime(); }, _applyBgOpacity = function(opacity) { _bgOpacity = opacity; self.bg.style.opacity = opacity * _options.bgOpacity; }, _applyZoomTransform = function(styleObj,x,y,zoom,item) { if(!_renderMaxResolution || (item && item !== self.currItem) ) { zoom = zoom / (item ? item.fitRatio : self.currItem.fitRatio); } styleObj[_transformKey] = _translatePrefix + x + 'px, ' + y + 'px' + _translateSufix + ' scale(' + zoom + ')'; }, _applyCurrentZoomPan = function( allowRenderResolution ) { if(_currZoomElementStyle) { if(allowRenderResolution) { if(_currZoomLevel > self.currItem.fitRatio) { if(!_renderMaxResolution) { _setImageSize(self.currItem, false, true); _renderMaxResolution = true; } } else { if(_renderMaxResolution) { _setImageSize(self.currItem); _renderMaxResolution = false; } } } _applyZoomTransform(_currZoomElementStyle, _panOffset.x, _panOffset.y, _currZoomLevel); } }, _applyZoomPanToItem = function(item) { if(item.container) { _applyZoomTransform(item.container.style, item.initialPosition.x, item.initialPosition.y, item.initialZoomLevel, item); } }, _setTranslateX = function(x, elStyle) { elStyle[_transformKey] = _translatePrefix + x + 'px, 0px' + _translateSufix; }, _moveMainScroll = function(x, dragging) { if(!_options.loop && dragging) { var newSlideIndexOffset = _currentItemIndex + (_slideSize.x * _currPositionIndex - x) / _slideSize.x, delta = Math.round(x - _mainScrollPos.x); if( (newSlideIndexOffset < 0 && delta > 0) || (newSlideIndexOffset >= _getNumItems() - 1 && delta < 0) ) { x = _mainScrollPos.x + delta * _options.mainScrollEndFriction; } } _mainScrollPos.x = x; _setTranslateX(x, _containerStyle); }, _calculatePanOffset = function(axis, zoomLevel) { var m = _midZoomPoint[axis] - _offset[axis]; return _startPanOffset[axis] + _currPanDist[axis] + m - m * ( zoomLevel / _startZoomLevel ); }, _equalizePoints = function(p1, p2) { p1.x = p2.x; p1.y = p2.y; if(p2.id) { p1.id = p2.id; } }, _roundPoint = function(p) { p.x = Math.round(p.x); p.y = Math.round(p.y); }, _mouseMoveTimeout = null, _onFirstMouseMove = function() { // Wait until mouse move event is fired at least twice during 100ms // We do this, because some mobile browsers trigger it on touchstart if(_mouseMoveTimeout ) { framework.unbind(document, 'mousemove', _onFirstMouseMove); framework.addClass(template, 'pswp--has_mouse'); _options.mouseUsed = true; _shout('mouseUsed'); } _mouseMoveTimeout = setTimeout(function() { _mouseMoveTimeout = null; }, 100); }, _bindEvents = function() { framework.bind(document, 'keydown', self); if(_features.transform) { // don't bind click event in browsers that don't support transform (mostly IE8) framework.bind(self.scrollWrap, 'click', self); } if(!_options.mouseUsed) { framework.bind(document, 'mousemove', _onFirstMouseMove); } framework.bind(window, 'resize scroll orientationchange', self); _shout('bindEvents'); }, _unbindEvents = function() { framework.unbind(window, 'resize scroll orientationchange', self); framework.unbind(window, 'scroll', _globalEventHandlers.scroll); framework.unbind(document, 'keydown', self); framework.unbind(document, 'mousemove', _onFirstMouseMove); if(_features.transform) { framework.unbind(self.scrollWrap, 'click', self); } if(_isDragging) { framework.unbind(window, _upMoveEvents, self); } clearTimeout(_orientationChangeTimeout); _shout('unbindEvents'); }, _calculatePanBounds = function(zoomLevel, update) { var bounds = _calculateItemSize( self.currItem, _viewportSize, zoomLevel ); if(update) { _currPanBounds = bounds; } return bounds; }, _getMinZoomLevel = function(item) { if(!item) { item = self.currItem; } return item.initialZoomLevel; }, _getMaxZoomLevel = function(item) { if(!item) { item = self.currItem; } return item.w > 0 ? _options.maxSpreadZoom : 1; }, // Return true if offset is out of the bounds _modifyDestPanOffset = function(axis, destPanBounds, destPanOffset, destZoomLevel) { if(destZoomLevel === self.currItem.initialZoomLevel) { destPanOffset[axis] = self.currItem.initialPosition[axis]; return true; } else { destPanOffset[axis] = _calculatePanOffset(axis, destZoomLevel); if(destPanOffset[axis] > destPanBounds.min[axis]) { destPanOffset[axis] = destPanBounds.min[axis]; return true; } else if(destPanOffset[axis] < destPanBounds.max[axis] ) { destPanOffset[axis] = destPanBounds.max[axis]; return true; } } return false; }, _setupTransforms = function() { if(_transformKey) { // setup 3d transforms var allow3dTransform = _features.perspective && !_likelyTouchDevice; _translatePrefix = 'translate' + (allow3dTransform ? '3d(' : '('); _translateSufix = _features.perspective ? ', 0px)' : ')'; return; } // Override zoom/pan/move functions in case old browser is used (most likely IE) // (so they use left/top/width/height, instead of CSS transform) _transformKey = 'left'; framework.addClass(template, 'pswp--ie'); _setTranslateX = function(x, elStyle) { elStyle.left = x + 'px'; }; _applyZoomPanToItem = function(item) { var zoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio, s = item.container.style, w = zoomRatio * item.w, h = zoomRatio * item.h; s.width = w + 'px'; s.height = h + 'px'; s.left = item.initialPosition.x + 'px'; s.top = item.initialPosition.y + 'px'; }; _applyCurrentZoomPan = function() { if(_currZoomElementStyle) { var s = _currZoomElementStyle, item = self.currItem, zoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio, w = zoomRatio * item.w, h = zoomRatio * item.h; s.width = w + 'px'; s.height = h + 'px'; s.left = _panOffset.x + 'px'; s.top = _panOffset.y + 'px'; } }; }, _onKeyDown = function(e) { var keydownAction = ''; if(_options.escKey && e.keyCode === 27) { keydownAction = 'close'; } else if(_options.arrowKeys) { if(e.keyCode === 37) { keydownAction = 'prev'; } else if(e.keyCode === 39) { keydownAction = 'next'; } } if(keydownAction) { // don't do anything if special key pressed to prevent from overriding default browser actions // e.g. in Chrome on Mac cmd+arrow-left returns to previous page if( !e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey ) { if(e.preventDefault) { e.preventDefault(); } else { e.returnValue = false; } self[keydownAction](); } } }, _onGlobalClick = function(e) { if(!e) { return; } // don't allow click event to pass through when triggering after drag or some other gesture if(_moved || _zoomStarted || _mainScrollAnimating || _verticalDragInitiated) { e.preventDefault(); e.stopPropagation(); } }, _updatePageScrollOffset = function() { self.setScrollOffset(0, framework.getScrollY()); }; // Micro animation engine var _animations = {}, _numAnimations = 0, _stopAnimation = function(name) { if(_animations[name]) { if(_animations[name].raf) { _cancelAF( _animations[name].raf ); } _numAnimations--; delete _animations[name]; } }, _registerStartAnimation = function(name) { if(_animations[name]) { _stopAnimation(name); } if(!_animations[name]) { _numAnimations++; _animations[name] = {}; } }, _stopAllAnimations = function() { for (var prop in _animations) { if( _animations.hasOwnProperty( prop ) ) { _stopAnimation(prop); } } }, _animateProp = function(name, b, endProp, d, easingFn, onUpdate, onComplete) { var startAnimTime = _getCurrentTime(), t; _registerStartAnimation(name); var animloop = function(){ if ( _animations[name] ) { t = _getCurrentTime() - startAnimTime; // time diff //b - beginning (start prop) //d - anim duration if ( t >= d ) { _stopAnimation(name); onUpdate(endProp); if(onComplete) { onComplete(); } return; } onUpdate( (endProp - b) * easingFn(t/d) + b ); _animations[name].raf = _requestAF(animloop); } }; animloop(); }; var publicMethods = { // make a few local variables and functions public shout: _shout, listen: _listen, viewportSize: _viewportSize, options: _options, isMainScrollAnimating: function() { return _mainScrollAnimating; }, getZoomLevel: function() { return _currZoomLevel; }, getCurrentIndex: function() { return _currentItemIndex; }, isDragging: function() { return _isDragging; }, isZooming: function() { return _isZooming; }, setScrollOffset: function(x,y) { _offset.x = x; _currentWindowScrollY = _offset.y = y; _shout('updateScrollOffset', _offset); }, applyZoomPan: function(zoomLevel,panX,panY,allowRenderResolution) { _panOffset.x = panX; _panOffset.y = panY; _currZoomLevel = zoomLevel; _applyCurrentZoomPan( allowRenderResolution ); }, init: function() { if(_isOpen || _isDestroying) { return; } var i; self.framework = framework; // basic functionality self.template = template; // root DOM element of PhotoSwipe self.bg = framework.getChildByClass(template, 'pswp__bg'); _initalClassName = template.className; _isOpen = true; _features = framework.detectFeatures(); _requestAF = _features.raf; _cancelAF = _features.caf; _transformKey = _features.transform; _oldIE = _features.oldIE; self.scrollWrap = framework.getChildByClass(template, 'pswp__scroll-wrap'); self.container = framework.getChildByClass(self.scrollWrap, 'pswp__container'); _containerStyle = self.container.style; // for fast access // Objects that hold slides (there are only 3 in DOM) self.itemHolders = _itemHolders = [ {el:self.container.children[0] , wrap:0, index: -1}, {el:self.container.children[1] , wrap:0, index: -1}, {el:self.container.children[2] , wrap:0, index: -1} ]; // hide nearby item holders until initial zoom animation finishes (to avoid extra Paints) _itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'none'; _setupTransforms(); // Setup global events _globalEventHandlers = { resize: self.updateSize, // Fixes: iOS 10.3 resize event // does not update scrollWrap.clientWidth instantly after resize // https://github.com/dimsemenov/PhotoSwipe/issues/1315 orientationchange: function() { clearTimeout(_orientationChangeTimeout); _orientationChangeTimeout = setTimeout(function() { if(_viewportSize.x !== self.scrollWrap.clientWidth) { self.updateSize(); } }, 500); }, scroll: _updatePageScrollOffset, keydown: _onKeyDown, click: _onGlobalClick }; // disable show/hide effects on old browsers that don't support CSS animations or transforms, // old IOS, Android and Opera mobile. Blackberry seems to work fine, even older models. var oldPhone = _features.isOldIOSPhone || _features.isOldAndroid || _features.isMobileOpera; if(!_features.animationName || !_features.transform || oldPhone) { _options.showAnimationDuration = _options.hideAnimationDuration = 0; } // init modules for(i = 0; i < _modules.length; i++) { self['init' + _modules[i]](); } // init if(UiClass) { var ui = self.ui = new UiClass(self, framework); ui.init(); } _shout('firstUpdate'); _currentItemIndex = _currentItemIndex || _options.index || 0; // validate index if( isNaN(_currentItemIndex) || _currentItemIndex < 0 || _currentItemIndex >= _getNumItems() ) { _currentItemIndex = 0; } self.currItem = _getItemAt( _currentItemIndex ); if(_features.isOldIOSPhone || _features.isOldAndroid) { _isFixedPosition = false; } template.setAttribute('aria-hidden', 'false'); if(_options.modal) { if(!_isFixedPosition) { template.style.position = 'absolute'; template.style.top = framework.getScrollY() + 'px'; } else { template.style.position = 'fixed'; } } if(_currentWindowScrollY === undefined) { _shout('initialLayout'); _currentWindowScrollY = _initalWindowScrollY = framework.getScrollY(); } // add classes to root element of PhotoSwipe var rootClasses = 'pswp--open '; if(_options.mainClass) { rootClasses += _options.mainClass + ' '; } if(_options.showHideOpacity) { rootClasses += 'pswp--animate_opacity '; } rootClasses += _likelyTouchDevice ? 'pswp--touch' : 'pswp--notouch'; rootClasses += _features.animationName ? ' pswp--css_animation' : ''; rootClasses += _features.svg ? ' pswp--svg' : ''; framework.addClass(template, rootClasses); self.updateSize(); // initial update _containerShiftIndex = -1; _indexDiff = null; for(i = 0; i < NUM_HOLDERS; i++) { _setTranslateX( (i+_containerShiftIndex) * _slideSize.x, _itemHolders[i].el.style); } if(!_oldIE) { framework.bind(self.scrollWrap, _downEvents, self); // no dragging for old IE } _listen('initialZoomInEnd', function() { self.setContent(_itemHolders[0], _currentItemIndex-1); self.setContent(_itemHolders[2], _currentItemIndex+1); _itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'block'; if(_options.focus) { // focus causes layout, // which causes lag during the animation, // that's why we delay it untill the initial zoom transition ends template.focus(); } _bindEvents(); }); // set content for center slide (first time) self.setContent(_itemHolders[1], _currentItemIndex); self.updateCurrItem(); _shout('afterInit'); if(!_isFixedPosition) { // On all versions of iOS lower than 8.0, we check size of viewport every second. // // This is done to detect when Safari top & bottom bars appear, // as this action doesn't trigger any events (like resize). // // On iOS8 they fixed this. // // 10 Nov 2014: iOS 7 usage ~40%. iOS 8 usage 56%. _updateSizeInterval = setInterval(function() { if(!_numAnimations && !_isDragging && !_isZooming && (_currZoomLevel === self.currItem.initialZoomLevel) ) { self.updateSize(); } }, 1000); } framework.addClass(template, 'pswp--visible'); }, // Close the gallery, then destroy it close: function() { if(!_isOpen) { return; } _isOpen = false; _isDestroying = true; _shout('close'); _unbindEvents(); _showOrHide(self.currItem, null, true, self.destroy); }, // destroys the gallery (unbinds events, cleans up intervals and timeouts to avoid memory leaks) destroy: function() { _shout('destroy'); if(_showOrHideTimeout) { clearTimeout(_showOrHideTimeout); } template.setAttribute('aria-hidden', 'true'); template.className = _initalClassName; if(_updateSizeInterval) { clearInterval(_updateSizeInterval); } framework.unbind(self.scrollWrap, _downEvents, self); // we unbind scroll event at the end, as closing animation may depend on it framework.unbind(window, 'scroll', self); _stopDragUpdateLoop(); _stopAllAnimations(); _listeners = null; }, /** * Pan image to position * @param {Number} x * @param {Number} y * @param {Boolean} force Will ignore bounds if set to true. */ panTo: function(x,y,force) { if(!force) { if(x > _currPanBounds.min.x) { x = _currPanBounds.min.x; } else if(x < _currPanBounds.max.x) { x = _currPanBounds.max.x; } if(y > _currPanBounds.min.y) { y = _currPanBounds.min.y; } else if(y < _currPanBounds.max.y) { y = _currPanBounds.max.y; } } _panOffset.x = x; _panOffset.y = y; _applyCurrentZoomPan(); }, handleEvent: function (e) { e = e || window.event; if(_globalEventHandlers[e.type]) { _globalEventHandlers[e.type](e); } }, goTo: function(index) { index = _getLoopedId(index); var diff = index - _currentItemIndex; _indexDiff = diff; _currentItemIndex = index; self.currItem = _getItemAt( _currentItemIndex ); _currPositionIndex -= diff; _moveMainScroll(_slideSize.x * _currPositionIndex); _stopAllAnimations(); _mainScrollAnimating = false; self.updateCurrItem(); }, next: function() { self.goTo( _currentItemIndex + 1); }, prev: function() { self.goTo( _currentItemIndex - 1); }, // update current zoom/pan objects updateCurrZoomItem: function(emulateSetContent) { if(emulateSetContent) { _shout('beforeChange', 0); } // itemHolder[1] is middle (current) item if(_itemHolders[1].el.children.length) { var zoomElement = _itemHolders[1].el.children[0]; if( framework.hasClass(zoomElement, 'pswp__zoom-wrap') ) { _currZoomElementStyle = zoomElement.style; } else { _currZoomElementStyle = null; } } else { _currZoomElementStyle = null; } _currPanBounds = self.currItem.bounds; _startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel; _panOffset.x = _currPanBounds.center.x; _panOffset.y = _currPanBounds.center.y; if(emulateSetContent) { _shout('afterChange'); } }, invalidateCurrItems: function() { _itemsNeedUpdate = true; for(var i = 0; i < NUM_HOLDERS; i++) { if( _itemHolders[i].item ) { _itemHolders[i].item.needsUpdate = true; } } }, updateCurrItem: function(beforeAnimation) { if(_indexDiff === 0) { return; } var diffAbs = Math.abs(_indexDiff), tempHolder; if(beforeAnimation && diffAbs < 2) { return; } self.currItem = _getItemAt( _currentItemIndex ); _renderMaxResolution = false; _shout('beforeChange', _indexDiff); if(diffAbs >= NUM_HOLDERS) { _containerShiftIndex += _indexDiff + (_indexDiff > 0 ? -NUM_HOLDERS : NUM_HOLDERS); diffAbs = NUM_HOLDERS; } for(var i = 0; i < diffAbs; i++) { if(_indexDiff > 0) { tempHolder = _itemHolders.shift(); _itemHolders[NUM_HOLDERS-1] = tempHolder; // move first to last _containerShiftIndex++; _setTranslateX( (_containerShiftIndex+2) * _slideSize.x, tempHolder.el.style); self.setContent(tempHolder, _currentItemIndex - diffAbs + i + 1 + 1); } else { tempHolder = _itemHolders.pop(); _itemHolders.unshift( tempHolder ); // move last to first _containerShiftIndex--; _setTranslateX( _containerShiftIndex * _slideSize.x, tempHolder.el.style); self.setContent(tempHolder, _currentItemIndex + diffAbs - i - 1 - 1); } } // reset zoom/pan on previous item if(_currZoomElementStyle && Math.abs(_indexDiff) === 1) { var prevItem = _getItemAt(_prevItemIndex); if(prevItem.initialZoomLevel !== _currZoomLevel) { _calculateItemSize(prevItem , _viewportSize ); _setImageSize(prevItem); _applyZoomPanToItem( prevItem ); } } // reset diff after update _indexDiff = 0; self.updateCurrZoomItem(); _prevItemIndex = _currentItemIndex; _shout('afterChange'); }, updateSize: function(force) { if(!_isFixedPosition && _options.modal) { var windowScrollY = framework.getScrollY(); if(_currentWindowScrollY !== windowScrollY) { template.style.top = windowScrollY + 'px'; _currentWindowScrollY = windowScrollY; } if(!force && _windowVisibleSize.x === window.innerWidth && _windowVisibleSize.y === window.innerHeight) { return; } _windowVisibleSize.x = window.innerWidth; _windowVisibleSize.y = window.innerHeight; //template.style.width = _windowVisibleSize.x + 'px'; template.style.height = _windowVisibleSize.y + 'px'; } _viewportSize.x = self.scrollWrap.clientWidth; _viewportSize.y = self.scrollWrap.clientHeight; _updatePageScrollOffset(); _slideSize.x = _viewportSize.x + Math.round(_viewportSize.x * _options.spacing); _slideSize.y = _viewportSize.y; _moveMainScroll(_slideSize.x * _currPositionIndex); _shout('beforeResize'); // even may be used for example to switch image sources // don't re-calculate size on inital size update if(_containerShiftIndex !== undefined) { var holder, item, hIndex; for(var i = 0; i < NUM_HOLDERS; i++) { holder = _itemHolders[i]; _setTranslateX( (i+_containerShiftIndex) * _slideSize.x, holder.el.style); hIndex = _currentItemIndex+i-1; if(_options.loop && _getNumItems() > 2) { hIndex = _getLoopedId(hIndex); } // update zoom level on items and refresh source (if needsUpdate) item = _getItemAt( hIndex ); // re-render gallery item if `needsUpdate`, // or doesn't have `bounds` (entirely new slide object) if( item && (_itemsNeedUpdate || item.needsUpdate || !item.bounds) ) { self.cleanSlide( item ); self.setContent( holder, hIndex ); // if "center" slide if(i === 1) { self.currItem = item; self.updateCurrZoomItem(true); } item.needsUpdate = false; } else if(holder.index === -1 && hIndex >= 0) { // add content first time self.setContent( holder, hIndex ); } if(item && item.container) { _calculateItemSize(item, _viewportSize); _setImageSize(item); _applyZoomPanToItem( item ); } } _itemsNeedUpdate = false; } _startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel; _currPanBounds = self.currItem.bounds; if(_currPanBounds) { _panOffset.x = _currPanBounds.center.x; _panOffset.y = _currPanBounds.center.y; _applyCurrentZoomPan( true ); } _shout('resize'); }, // Zoom current item to zoomTo: function(destZoomLevel, centerPoint, speed, easingFn, updateFn) { /* if(destZoomLevel === 'fit') { destZoomLevel = self.currItem.fitRatio; } else if(destZoomLevel === 'fill') { destZoomLevel = self.currItem.fillRatio; } */ if(centerPoint) { _startZoomLevel = _currZoomLevel; _midZoomPoint.x = Math.abs(centerPoint.x) - _panOffset.x ; _midZoomPoint.y = Math.abs(centerPoint.y) - _panOffset.y ; _equalizePoints(_startPanOffset, _panOffset); } var destPanBounds = _calculatePanBounds(destZoomLevel, false), destPanOffset = {}; _modifyDestPanOffset('x', destPanBounds, destPanOffset, destZoomLevel); _modifyDestPanOffset('y', destPanBounds, destPanOffset, destZoomLevel); var initialZoomLevel = _currZoomLevel; var initialPanOffset = { x: _panOffset.x, y: _panOffset.y }; _roundPoint(destPanOffset); var onUpdate = function(now) { if(now === 1) { _currZoomLevel = destZoomLevel; _panOffset.x = destPanOffset.x; _panOffset.y = destPanOffset.y; } else { _currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel; _panOffset.x = (destPanOffset.x - initialPanOffset.x) * now + initialPanOffset.x; _panOffset.y = (destPanOffset.y - initialPanOffset.y) * now + initialPanOffset.y; } if(updateFn) { updateFn(now); } _applyCurrentZoomPan( now === 1 ); }; if(speed) { _animateProp('customZoomTo', 0, 1, speed, easingFn || framework.easing.sine.inOut, onUpdate); } else { onUpdate(1); } } }; /*>>core*/ /*>>gestures*/ /** * Mouse/touch/pointer event handlers. * * separated from @core.js for readability */ var MIN_SWIPE_DISTANCE = 30, DIRECTION_CHECK_OFFSET = 10; // amount of pixels to drag to determine direction of swipe var _gestureStartTime, _gestureCheckSpeedTime, // pool of objects that are used during dragging of zooming p = {}, // first point p2 = {}, // second point (for zoom gesture) delta = {}, _currPoint = {}, _startPoint = {}, _currPointers = [], _startMainScrollPos = {}, _releaseAnimData, _posPoints = [], // array of points during dragging, used to determine type of gesture _tempPoint = {}, _isZoomingIn, _verticalDragInitiated, _oldAndroidTouchEndTimeout, _currZoomedItemIndex = 0, _centerPoint = _getEmptyPoint(), _lastReleaseTime = 0, _isDragging, // at least one pointer is down _isMultitouch, // at least two _pointers are down _zoomStarted, // zoom level changed during zoom gesture _moved, _dragAnimFrame, _mainScrollShifted, _currentPoints, // array of current touch points _isZooming, _currPointsDistance, _startPointsDistance, _currPanBounds, _mainScrollPos = _getEmptyPoint(), _currZoomElementStyle, _mainScrollAnimating, // true, if animation after swipe gesture is running _midZoomPoint = _getEmptyPoint(), _currCenterPoint = _getEmptyPoint(), _direction, _isFirstMove, _opacityChanged, _bgOpacity, _wasOverInitialZoom, _isEqualPoints = function(p1, p2) { return p1.x === p2.x && p1.y === p2.y; }, _isNearbyPoints = function(touch0, touch1) { return Math.abs(touch0.x - touch1.x) < DOUBLE_TAP_RADIUS && Math.abs(touch0.y - touch1.y) < DOUBLE_TAP_RADIUS; }, _calculatePointsDistance = function(p1, p2) { _tempPoint.x = Math.abs( p1.x - p2.x ); _tempPoint.y = Math.abs( p1.y - p2.y ); return Math.sqrt(_tempPoint.x * _tempPoint.x + _tempPoint.y * _tempPoint.y); }, _stopDragUpdateLoop = function() { if(_dragAnimFrame) { _cancelAF(_dragAnimFrame); _dragAnimFrame = null; } }, _dragUpdateLoop = function() { if(_isDragging) { _dragAnimFrame = _requestAF(_dragUpdateLoop); _renderMovement(); } }, _canPan = function() { return !(_options.scaleMode === 'fit' && _currZoomLevel === self.currItem.initialZoomLevel); }, // find the closest parent DOM element _closestElement = function(el, fn) { if(!el || el === document) { return false; } // don't search elements above pswp__scroll-wrap if(el.getAttribute('class') && el.getAttribute('class').indexOf('pswp__scroll-wrap') > -1 ) { return false; } if( fn(el) ) { return el; } return _closestElement(el.parentNode, fn); }, _preventObj = {}, _preventDefaultEventBehaviour = function(e, isDown) { _preventObj.prevent = !_closestElement(e.target, _options.isClickableElement); _shout('preventDragEvent', e, isDown, _preventObj); return _preventObj.prevent; }, _convertTouchToPoint = function(touch, p) { p.x = touch.pageX; p.y = touch.pageY; p.id = touch.identifier; return p; }, _findCenterOfPoints = function(p1, p2, pCenter) { pCenter.x = (p1.x + p2.x) * 0.5; pCenter.y = (p1.y + p2.y) * 0.5; }, _pushPosPoint = function(time, x, y) { if(time - _gestureCheckSpeedTime > 50) { var o = _posPoints.length > 2 ? _posPoints.shift() : {}; o.x = x; o.y = y; _posPoints.push(o); _gestureCheckSpeedTime = time; } }, _calculateVerticalDragOpacityRatio = function() { var yOffset = _panOffset.y - self.currItem.initialPosition.y; // difference between initial and current position return 1 - Math.abs( yOffset / (_viewportSize.y / 2) ); }, // points pool, reused during touch events _ePoint1 = {}, _ePoint2 = {}, _tempPointsArr = [], _tempCounter, _getTouchPoints = function(e) { // clean up previous points, without recreating array while(_tempPointsArr.length > 0) { _tempPointsArr.pop(); } if(!_pointerEventEnabled) { if(e.type.indexOf('touch') > -1) { if(e.touches && e.touches.length > 0) { _tempPointsArr[0] = _convertTouchToPoint(e.touches[0], _ePoint1); if(e.touches.length > 1) { _tempPointsArr[1] = _convertTouchToPoint(e.touches[1], _ePoint2); } } } else { _ePoint1.x = e.pageX; _ePoint1.y = e.pageY; _ePoint1.id = ''; _tempPointsArr[0] = _ePoint1;//_ePoint1; } } else { _tempCounter = 0; // we can use forEach, as pointer events are supported only in modern browsers _currPointers.forEach(function(p) { if(_tempCounter === 0) { _tempPointsArr[0] = p; } else if(_tempCounter === 1) { _tempPointsArr[1] = p; } _tempCounter++; }); } return _tempPointsArr; }, _panOrMoveMainScroll = function(axis, delta) { var panFriction, overDiff = 0, newOffset = _panOffset[axis] + delta[axis], startOverDiff, dir = delta[axis] > 0, newMainScrollPosition = _mainScrollPos.x + delta.x, mainScrollDiff = _mainScrollPos.x - _startMainScrollPos.x, newPanPos, newMainScrollPos; // calculate fdistance over the bounds and friction if(newOffset > _currPanBounds.min[axis] || newOffset < _currPanBounds.max[axis]) { panFriction = _options.panEndFriction; // Linear increasing of friction, so at 1/4 of viewport it's at max value. // Looks not as nice as was expected. Left for history. // panFriction = (1 - (_panOffset[axis] + delta[axis] + panBounds.min[axis]) / (_viewportSize[axis] / 4) ); } else { panFriction = 1; } newOffset = _panOffset[axis] + delta[axis] * panFriction; // move main scroll or start panning if(_options.allowPanToNext || _currZoomLevel === self.currItem.initialZoomLevel) { if(!_currZoomElementStyle) { newMainScrollPos = newMainScrollPosition; } else if(_direction === 'h' && axis === 'x' && !_zoomStarted ) { if(dir) { if(newOffset > _currPanBounds.min[axis]) { panFriction = _options.panEndFriction; overDiff = _currPanBounds.min[axis] - newOffset; startOverDiff = _currPanBounds.min[axis] - _startPanOffset[axis]; } // drag right if( (startOverDiff <= 0 || mainScrollDiff < 0) && _getNumItems() > 1 ) { newMainScrollPos = newMainScrollPosition; if(mainScrollDiff < 0 && newMainScrollPosition > _startMainScrollPos.x) { newMainScrollPos = _startMainScrollPos.x; } } else { if(_currPanBounds.min.x !== _currPanBounds.max.x) { newPanPos = newOffset; } } } else { if(newOffset < _currPanBounds.max[axis] ) { panFriction =_options.panEndFriction; overDiff = newOffset - _currPanBounds.max[axis]; startOverDiff = _startPanOffset[axis] - _currPanBounds.max[axis]; } if( (startOverDiff <= 0 || mainScrollDiff > 0) && _getNumItems() > 1 ) { newMainScrollPos = newMainScrollPosition; if(mainScrollDiff > 0 && newMainScrollPosition < _startMainScrollPos.x) { newMainScrollPos = _startMainScrollPos.x; } } else { if(_currPanBounds.min.x !== _currPanBounds.max.x) { newPanPos = newOffset; } } } // } if(axis === 'x') { if(newMainScrollPos !== undefined) { _moveMainScroll(newMainScrollPos, true); if(newMainScrollPos === _startMainScrollPos.x) { _mainScrollShifted = false; } else { _mainScrollShifted = true; } } if(_currPanBounds.min.x !== _currPanBounds.max.x) { if(newPanPos !== undefined) { _panOffset.x = newPanPos; } else if(!_mainScrollShifted) { _panOffset.x += delta.x * panFriction; } } return newMainScrollPos !== undefined; } } if(!_mainScrollAnimating) { if(!_mainScrollShifted) { if(_currZoomLevel > self.currItem.fitRatio) { _panOffset[axis] += delta[axis] * panFriction; } } } }, // Pointerdown/touchstart/mousedown handler _onDragStart = function(e) { // Allow dragging only via left mouse button. // As this handler is not added in IE8 - we ignore e.which // // http://www.quirksmode.org/js/events_properties.html // https://developer.mozilla.org/en-US/docs/Web/API/event.button if(e.type === 'mousedown' && e.button > 0 ) { return; } if(_initialZoomRunning) { e.preventDefault(); return; } if(_oldAndroidTouchEndTimeout && e.type === 'mousedown') { return; } if(_preventDefaultEventBehaviour(e, true)) { e.preventDefault(); } _shout('pointerDown'); if(_pointerEventEnabled) { var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id'); if(pointerIndex < 0) { pointerIndex = _currPointers.length; } _currPointers[pointerIndex] = {x:e.pageX, y:e.pageY, id: e.pointerId}; } var startPointsList = _getTouchPoints(e), numPoints = startPointsList.length; _currentPoints = null; _stopAllAnimations(); // init drag if(!_isDragging || numPoints === 1) { _isDragging = _isFirstMove = true; framework.bind(window, _upMoveEvents, self); _isZoomingIn = _wasOverInitialZoom = _opacityChanged = _verticalDragInitiated = _mainScrollShifted = _moved = _isMultitouch = _zoomStarted = false; _direction = null; _shout('firstTouchStart', startPointsList); _equalizePoints(_startPanOffset, _panOffset); _currPanDist.x = _currPanDist.y = 0; _equalizePoints(_currPoint, startPointsList[0]); _equalizePoints(_startPoint, _currPoint); //_equalizePoints(_startMainScrollPos, _mainScrollPos); _startMainScrollPos.x = _slideSize.x * _currPositionIndex; _posPoints = [{ x: _currPoint.x, y: _currPoint.y }]; _gestureCheckSpeedTime = _gestureStartTime = _getCurrentTime(); //_mainScrollAnimationEnd(true); _calculatePanBounds( _currZoomLevel, true ); // Start rendering _stopDragUpdateLoop(); _dragUpdateLoop(); } // init zoom if(!_isZooming && numPoints > 1 && !_mainScrollAnimating && !_mainScrollShifted) { _startZoomLevel = _currZoomLevel; _zoomStarted = false; // true if zoom changed at least once _isZooming = _isMultitouch = true; _currPanDist.y = _currPanDist.x = 0; _equalizePoints(_startPanOffset, _panOffset); _equalizePoints(p, startPointsList[0]); _equalizePoints(p2, startPointsList[1]); _findCenterOfPoints(p, p2, _currCenterPoint); _midZoomPoint.x = Math.abs(_currCenterPoint.x) - _panOffset.x; _midZoomPoint.y = Math.abs(_currCenterPoint.y) - _panOffset.y; _currPointsDistance = _startPointsDistance = _calculatePointsDistance(p, p2); } }, // Pointermove/touchmove/mousemove handler _onDragMove = function(e) { e.preventDefault(); if(_pointerEventEnabled) { var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id'); if(pointerIndex > -1) { var p = _currPointers[pointerIndex]; p.x = e.pageX; p.y = e.pageY; } } if(_isDragging) { var touchesList = _getTouchPoints(e); if(!_direction && !_moved && !_isZooming) { if(_mainScrollPos.x !== _slideSize.x * _currPositionIndex) { // if main scroll position is shifted – direction is always horizontal _direction = 'h'; } else { var diff = Math.abs(touchesList[0].x - _currPoint.x) - Math.abs(touchesList[0].y - _currPoint.y); // check the direction of movement if(Math.abs(diff) >= DIRECTION_CHECK_OFFSET) { _direction = diff > 0 ? 'h' : 'v'; _currentPoints = touchesList; } } } else { _currentPoints = touchesList; } } }, // _renderMovement = function() { if(!_currentPoints) { return; } var numPoints = _currentPoints.length; if(numPoints === 0) { return; } _equalizePoints(p, _currentPoints[0]); delta.x = p.x - _currPoint.x; delta.y = p.y - _currPoint.y; if(_isZooming && numPoints > 1) { // Handle behaviour for more than 1 point _currPoint.x = p.x; _currPoint.y = p.y; // check if one of two points changed if( !delta.x && !delta.y && _isEqualPoints(_currentPoints[1], p2) ) { return; } _equalizePoints(p2, _currentPoints[1]); if(!_zoomStarted) { _zoomStarted = true; _shout('zoomGestureStarted'); } // Distance between two points var pointsDistance = _calculatePointsDistance(p,p2); var zoomLevel = _calculateZoomLevel(pointsDistance); // slightly over the of initial zoom level if(zoomLevel > self.currItem.initialZoomLevel + self.currItem.initialZoomLevel / 15) { _wasOverInitialZoom = true; } // Apply the friction if zoom level is out of the bounds var zoomFriction = 1, minZoomLevel = _getMinZoomLevel(), maxZoomLevel = _getMaxZoomLevel(); if ( zoomLevel < minZoomLevel ) { if(_options.pinchToClose && !_wasOverInitialZoom && _startZoomLevel <= self.currItem.initialZoomLevel) { // fade out background if zooming out var minusDiff = minZoomLevel - zoomLevel; var percent = 1 - minusDiff / (minZoomLevel / 1.2); _applyBgOpacity(percent); _shout('onPinchClose', percent); _opacityChanged = true; } else { zoomFriction = (minZoomLevel - zoomLevel) / minZoomLevel; if(zoomFriction > 1) { zoomFriction = 1; } zoomLevel = minZoomLevel - zoomFriction * (minZoomLevel / 3); } } else if ( zoomLevel > maxZoomLevel ) { // 1.5 - extra zoom level above the max. E.g. if max is x6, real max 6 + 1.5 = 7.5 zoomFriction = (zoomLevel - maxZoomLevel) / ( minZoomLevel * 6 ); if(zoomFriction > 1) { zoomFriction = 1; } zoomLevel = maxZoomLevel + zoomFriction * minZoomLevel; } if(zoomFriction < 0) { zoomFriction = 0; } // distance between touch points after friction is applied _currPointsDistance = pointsDistance; // _centerPoint - The point in the middle of two pointers _findCenterOfPoints(p, p2, _centerPoint); // paning with two pointers pressed _currPanDist.x += _centerPoint.x - _currCenterPoint.x; _currPanDist.y += _centerPoint.y - _currCenterPoint.y; _equalizePoints(_currCenterPoint, _centerPoint); _panOffset.x = _calculatePanOffset('x', zoomLevel); _panOffset.y = _calculatePanOffset('y', zoomLevel); _isZoomingIn = zoomLevel > _currZoomLevel; _currZoomLevel = zoomLevel; _applyCurrentZoomPan(); } else { // handle behaviour for one point (dragging or panning) if(!_direction) { return; } if(_isFirstMove) { _isFirstMove = false; // subtract drag distance that was used during the detection direction if( Math.abs(delta.x) >= DIRECTION_CHECK_OFFSET) { delta.x -= _currentPoints[0].x - _startPoint.x; } if( Math.abs(delta.y) >= DIRECTION_CHECK_OFFSET) { delta.y -= _currentPoints[0].y - _startPoint.y; } } _currPoint.x = p.x; _currPoint.y = p.y; // do nothing if pointers position hasn't changed if(delta.x === 0 && delta.y === 0) { return; } if(_direction === 'v' && _options.closeOnVerticalDrag) { if(!_canPan()) { _currPanDist.y += delta.y; _panOffset.y += delta.y; var opacityRatio = _calculateVerticalDragOpacityRatio(); _verticalDragInitiated = true; _shout('onVerticalDrag', opacityRatio); _applyBgOpacity(opacityRatio); _applyCurrentZoomPan(); return ; } } _pushPosPoint(_getCurrentTime(), p.x, p.y); _moved = true; _currPanBounds = self.currItem.bounds; var mainScrollChanged = _panOrMoveMainScroll('x', delta); if(!mainScrollChanged) { _panOrMoveMainScroll('y', delta); _roundPoint(_panOffset); _applyCurrentZoomPan(); } } }, // Pointerup/pointercancel/touchend/touchcancel/mouseup event handler _onDragRelease = function(e) { if(_features.isOldAndroid ) { if(_oldAndroidTouchEndTimeout && e.type === 'mouseup') { return; } // on Android (v4.1, 4.2, 4.3 & possibly older) // ghost mousedown/up event isn't preventable via e.preventDefault, // which causes fake mousedown event // so we block mousedown/up for 600ms if( e.type.indexOf('touch') > -1 ) { clearTimeout(_oldAndroidTouchEndTimeout); _oldAndroidTouchEndTimeout = setTimeout(function() { _oldAndroidTouchEndTimeout = 0; }, 600); } } _shout('pointerUp'); if(_preventDefaultEventBehaviour(e, false)) { e.preventDefault(); } var releasePoint; if(_pointerEventEnabled) { var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id'); if(pointerIndex > -1) { releasePoint = _currPointers.splice(pointerIndex, 1)[0]; if(navigator.msPointerEnabled) { var MSPOINTER_TYPES = { 4: 'mouse', // event.MSPOINTER_TYPE_MOUSE 2: 'touch', // event.MSPOINTER_TYPE_TOUCH 3: 'pen' // event.MSPOINTER_TYPE_PEN }; releasePoint.type = MSPOINTER_TYPES[e.pointerType]; if(!releasePoint.type) { releasePoint.type = e.pointerType || 'mouse'; } } else { releasePoint.type = e.pointerType || 'mouse'; } } } var touchList = _getTouchPoints(e), gestureType, numPoints = touchList.length; if(e.type === 'mouseup') { numPoints = 0; } // Do nothing if there were 3 touch points or more if(numPoints === 2) { _currentPoints = null; return true; } // if second pointer released if(numPoints === 1) { _equalizePoints(_startPoint, touchList[0]); } // pointer hasn't moved, send "tap release" point if(numPoints === 0 && !_direction && !_mainScrollAnimating) { if(!releasePoint) { if(e.type === 'mouseup') { releasePoint = {x: e.pageX, y: e.pageY, type:'mouse'}; } else if(e.changedTouches && e.changedTouches[0]) { releasePoint = {x: e.changedTouches[0].pageX, y: e.changedTouches[0].pageY, type:'touch'}; } } _shout('touchRelease', e, releasePoint); } // Difference in time between releasing of two last touch points (zoom gesture) var releaseTimeDiff = -1; // Gesture completed, no pointers left if(numPoints === 0) { _isDragging = false; framework.unbind(window, _upMoveEvents, self); _stopDragUpdateLoop(); if(_isZooming) { // Two points released at the same time releaseTimeDiff = 0; } else if(_lastReleaseTime !== -1) { releaseTimeDiff = _getCurrentTime() - _lastReleaseTime; } } _lastReleaseTime = numPoints === 1 ? _getCurrentTime() : -1; if(releaseTimeDiff !== -1 && releaseTimeDiff < 150) { gestureType = 'zoom'; } else { gestureType = 'swipe'; } if(_isZooming && numPoints < 2) { _isZooming = false; // Only second point released if(numPoints === 1) { gestureType = 'zoomPointerUp'; } _shout('zoomGestureEnded'); } _currentPoints = null; if(!_moved && !_zoomStarted && !_mainScrollAnimating && !_verticalDragInitiated) { // nothing to animate return; } _stopAllAnimations(); if(!_releaseAnimData) { _releaseAnimData = _initDragReleaseAnimationData(); } _releaseAnimData.calculateSwipeSpeed('x'); if(_verticalDragInitiated) { var opacityRatio = _calculateVerticalDragOpacityRatio(); if(opacityRatio < _options.verticalDragRange) { self.close(); } else { var initalPanY = _panOffset.y, initialBgOpacity = _bgOpacity; _animateProp('verticalDrag', 0, 1, 300, framework.easing.cubic.out, function(now) { _panOffset.y = (self.currItem.initialPosition.y - initalPanY) * now + initalPanY; _applyBgOpacity( (1 - initialBgOpacity) * now + initialBgOpacity ); _applyCurrentZoomPan(); }); _shout('onVerticalDrag', 1); } return; } // main scroll if( (_mainScrollShifted || _mainScrollAnimating) && numPoints === 0) { var itemChanged = _finishSwipeMainScrollGesture(gestureType, _releaseAnimData); if(itemChanged) { return; } gestureType = 'zoomPointerUp'; } // prevent zoom/pan animation when main scroll animation runs if(_mainScrollAnimating) { return; } // Complete simple zoom gesture (reset zoom level if it's out of the bounds) if(gestureType !== 'swipe') { _completeZoomGesture(); return; } // Complete pan gesture if main scroll is not shifted, and it's possible to pan current image if(!_mainScrollShifted && _currZoomLevel > self.currItem.fitRatio) { _completePanGesture(_releaseAnimData); } }, // Returns object with data about gesture // It's created only once and then reused _initDragReleaseAnimationData = function() { // temp local vars var lastFlickDuration, tempReleasePos; // s = this var s = { lastFlickOffset: {}, lastFlickDist: {}, lastFlickSpeed: {}, slowDownRatio: {}, slowDownRatioReverse: {}, speedDecelerationRatio: {}, speedDecelerationRatioAbs: {}, distanceOffset: {}, backAnimDestination: {}, backAnimStarted: {}, calculateSwipeSpeed: function(axis) { if( _posPoints.length > 1) { lastFlickDuration = _getCurrentTime() - _gestureCheckSpeedTime + 50; tempReleasePos = _posPoints[_posPoints.length-2][axis]; } else { lastFlickDuration = _getCurrentTime() - _gestureStartTime; // total gesture duration tempReleasePos = _startPoint[axis]; } s.lastFlickOffset[axis] = _currPoint[axis] - tempReleasePos; s.lastFlickDist[axis] = Math.abs(s.lastFlickOffset[axis]); if(s.lastFlickDist[axis] > 20) { s.lastFlickSpeed[axis] = s.lastFlickOffset[axis] / lastFlickDuration; } else { s.lastFlickSpeed[axis] = 0; } if( Math.abs(s.lastFlickSpeed[axis]) < 0.1 ) { s.lastFlickSpeed[axis] = 0; } s.slowDownRatio[axis] = 0.95; s.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis]; s.speedDecelerationRatio[axis] = 1; }, calculateOverBoundsAnimOffset: function(axis, speed) { if(!s.backAnimStarted[axis]) { if(_panOffset[axis] > _currPanBounds.min[axis]) { s.backAnimDestination[axis] = _currPanBounds.min[axis]; } else if(_panOffset[axis] < _currPanBounds.max[axis]) { s.backAnimDestination[axis] = _currPanBounds.max[axis]; } if(s.backAnimDestination[axis] !== undefined) { s.slowDownRatio[axis] = 0.7; s.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis]; if(s.speedDecelerationRatioAbs[axis] < 0.05) { s.lastFlickSpeed[axis] = 0; s.backAnimStarted[axis] = true; _animateProp('bounceZoomPan'+axis,_panOffset[axis], s.backAnimDestination[axis], speed || 300, framework.easing.sine.out, function(pos) { _panOffset[axis] = pos; _applyCurrentZoomPan(); } ); } } } }, // Reduces the speed by slowDownRatio (per 10ms) calculateAnimOffset: function(axis) { if(!s.backAnimStarted[axis]) { s.speedDecelerationRatio[axis] = s.speedDecelerationRatio[axis] * (s.slowDownRatio[axis] + s.slowDownRatioReverse[axis] - s.slowDownRatioReverse[axis] * s.timeDiff / 10); s.speedDecelerationRatioAbs[axis] = Math.abs(s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis]); s.distanceOffset[axis] = s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis] * s.timeDiff; _panOffset[axis] += s.distanceOffset[axis]; } }, panAnimLoop: function() { if ( _animations.zoomPan ) { _animations.zoomPan.raf = _requestAF(s.panAnimLoop); s.now = _getCurrentTime(); s.timeDiff = s.now - s.lastNow; s.lastNow = s.now; s.calculateAnimOffset('x'); s.calculateAnimOffset('y'); _applyCurrentZoomPan(); s.calculateOverBoundsAnimOffset('x'); s.calculateOverBoundsAnimOffset('y'); if (s.speedDecelerationRatioAbs.x < 0.05 && s.speedDecelerationRatioAbs.y < 0.05) { // round pan position _panOffset.x = Math.round(_panOffset.x); _panOffset.y = Math.round(_panOffset.y); _applyCurrentZoomPan(); _stopAnimation('zoomPan'); return; } } } }; return s; }, _completePanGesture = function(animData) { // calculate swipe speed for Y axis (paanning) animData.calculateSwipeSpeed('y'); _currPanBounds = self.currItem.bounds; animData.backAnimDestination = {}; animData.backAnimStarted = {}; // Avoid acceleration animation if speed is too low if(Math.abs(animData.lastFlickSpeed.x) <= 0.05 && Math.abs(animData.lastFlickSpeed.y) <= 0.05 ) { animData.speedDecelerationRatioAbs.x = animData.speedDecelerationRatioAbs.y = 0; // Run pan drag release animation. E.g. if you drag image and release finger without momentum. animData.calculateOverBoundsAnimOffset('x'); animData.calculateOverBoundsAnimOffset('y'); return true; } // Animation loop that controls the acceleration after pan gesture ends _registerStartAnimation('zoomPan'); animData.lastNow = _getCurrentTime(); animData.panAnimLoop(); }, _finishSwipeMainScrollGesture = function(gestureType, _releaseAnimData) { var itemChanged; if(!_mainScrollAnimating) { _currZoomedItemIndex = _currentItemIndex; } var itemsDiff; if(gestureType === 'swipe') { var totalShiftDist = _currPoint.x - _startPoint.x, isFastLastFlick = _releaseAnimData.lastFlickDist.x < 10; // if container is shifted for more than MIN_SWIPE_DISTANCE, // and last flick gesture was in right direction if(totalShiftDist > MIN_SWIPE_DISTANCE && (isFastLastFlick || _releaseAnimData.lastFlickOffset.x > 20) ) { // go to prev item itemsDiff = -1; } else if(totalShiftDist < -MIN_SWIPE_DISTANCE && (isFastLastFlick || _releaseAnimData.lastFlickOffset.x < -20) ) { // go to next item itemsDiff = 1; } } var nextCircle; if(itemsDiff) { _currentItemIndex += itemsDiff; if(_currentItemIndex < 0) { _currentItemIndex = _options.loop ? _getNumItems()-1 : 0; nextCircle = true; } else if(_currentItemIndex >= _getNumItems()) { _currentItemIndex = _options.loop ? 0 : _getNumItems()-1; nextCircle = true; } if(!nextCircle || _options.loop) { _indexDiff += itemsDiff; _currPositionIndex -= itemsDiff; itemChanged = true; } } var animateToX = _slideSize.x * _currPositionIndex; var animateToDist = Math.abs( animateToX - _mainScrollPos.x ); var finishAnimDuration; if(!itemChanged && animateToX > _mainScrollPos.x !== _releaseAnimData.lastFlickSpeed.x > 0) { // "return to current" duration, e.g. when dragging from slide 0 to -1 finishAnimDuration = 333; } else { finishAnimDuration = Math.abs(_releaseAnimData.lastFlickSpeed.x) > 0 ? animateToDist / Math.abs(_releaseAnimData.lastFlickSpeed.x) : 333; finishAnimDuration = Math.min(finishAnimDuration, 400); finishAnimDuration = Math.max(finishAnimDuration, 250); } if(_currZoomedItemIndex === _currentItemIndex) { itemChanged = false; } _mainScrollAnimating = true; _shout('mainScrollAnimStart'); _animateProp('mainScroll', _mainScrollPos.x, animateToX, finishAnimDuration, framework.easing.cubic.out, _moveMainScroll, function() { _stopAllAnimations(); _mainScrollAnimating = false; _currZoomedItemIndex = -1; if(itemChanged || _currZoomedItemIndex !== _currentItemIndex) { self.updateCurrItem(); } _shout('mainScrollAnimComplete'); } ); if(itemChanged) { self.updateCurrItem(true); } return itemChanged; }, _calculateZoomLevel = function(touchesDistance) { return 1 / _startPointsDistance * touchesDistance * _startZoomLevel; }, // Resets zoom if it's out of bounds _completeZoomGesture = function() { var destZoomLevel = _currZoomLevel, minZoomLevel = _getMinZoomLevel(), maxZoomLevel = _getMaxZoomLevel(); if ( _currZoomLevel < minZoomLevel ) { destZoomLevel = minZoomLevel; } else if ( _currZoomLevel > maxZoomLevel ) { destZoomLevel = maxZoomLevel; } var destOpacity = 1, onUpdate, initialOpacity = _bgOpacity; if(_opacityChanged && !_isZoomingIn && !_wasOverInitialZoom && _currZoomLevel < minZoomLevel) { //_closedByScroll = true; self.close(); return true; } if(_opacityChanged) { onUpdate = function(now) { _applyBgOpacity( (destOpacity - initialOpacity) * now + initialOpacity ); }; } self.zoomTo(destZoomLevel, 0, 200, framework.easing.cubic.out, onUpdate); return true; }; _registerModule('Gestures', { publicMethods: { initGestures: function() { // helper function that builds touch/pointer/mouse events var addEventNames = function(pref, down, move, up, cancel) { _dragStartEvent = pref + down; _dragMoveEvent = pref + move; _dragEndEvent = pref + up; if(cancel) { _dragCancelEvent = pref + cancel; } else { _dragCancelEvent = ''; } }; _pointerEventEnabled = _features.pointerEvent; if(_pointerEventEnabled && _features.touch) { // we don't need touch events, if browser supports pointer events _features.touch = false; } if(_pointerEventEnabled) { if(navigator.msPointerEnabled) { // IE10 pointer events are case-sensitive addEventNames('MSPointer', 'Down', 'Move', 'Up', 'Cancel'); } else { addEventNames('pointer', 'down', 'move', 'up', 'cancel'); } } else if(_features.touch) { addEventNames('touch', 'start', 'move', 'end', 'cancel'); _likelyTouchDevice = true; } else { addEventNames('mouse', 'down', 'move', 'up'); } _upMoveEvents = _dragMoveEvent + ' ' + _dragEndEvent + ' ' + _dragCancelEvent; _downEvents = _dragStartEvent; if(_pointerEventEnabled && !_likelyTouchDevice) { _likelyTouchDevice = (navigator.maxTouchPoints > 1) || (navigator.msMaxTouchPoints > 1); } // make variable public self.likelyTouchDevice = _likelyTouchDevice; _globalEventHandlers[_dragStartEvent] = _onDragStart; _globalEventHandlers[_dragMoveEvent] = _onDragMove; _globalEventHandlers[_dragEndEvent] = _onDragRelease; // the Kraken if(_dragCancelEvent) { _globalEventHandlers[_dragCancelEvent] = _globalEventHandlers[_dragEndEvent]; } // Bind mouse events on device with detected hardware touch support, in case it supports multiple types of input. if(_features.touch) { _downEvents += ' mousedown'; _upMoveEvents += ' mousemove mouseup'; _globalEventHandlers.mousedown = _globalEventHandlers[_dragStartEvent]; _globalEventHandlers.mousemove = _globalEventHandlers[_dragMoveEvent]; _globalEventHandlers.mouseup = _globalEventHandlers[_dragEndEvent]; } if(!_likelyTouchDevice) { // don't allow pan to next slide from zoomed state on Desktop _options.allowPanToNext = false; } } } }); /*>>gestures*/ /*>>show-hide-transition*/ /** * show-hide-transition.js: * * Manages initial opening or closing transition. * * If you're not planning to use transition for gallery at all, * you may set options hideAnimationDuration and showAnimationDuration to 0, * and just delete startAnimation function. * */ var _showOrHideTimeout, _showOrHide = function(item, img, out, completeFn) { if(_showOrHideTimeout) { clearTimeout(_showOrHideTimeout); } _initialZoomRunning = true; _initialContentSet = true; // dimensions of small thumbnail {x:,y:,w:}. // Height is optional, as calculated based on large image. var thumbBounds; if(item.initialLayout) { thumbBounds = item.initialLayout; item.initialLayout = null; } else { thumbBounds = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex); } var duration = out ? _options.hideAnimationDuration : _options.showAnimationDuration; var onComplete = function() { _stopAnimation('initialZoom'); if(!out) { _applyBgOpacity(1); if(img) { img.style.display = 'block'; } framework.addClass(template, 'pswp--animated-in'); _shout('initialZoom' + (out ? 'OutEnd' : 'InEnd')); } else { self.template.removeAttribute('style'); self.bg.removeAttribute('style'); } if(completeFn) { completeFn(); } _initialZoomRunning = false; }; // if bounds aren't provided, just open gallery without animation if(!duration || !thumbBounds || thumbBounds.x === undefined) { _shout('initialZoom' + (out ? 'Out' : 'In') ); _currZoomLevel = item.initialZoomLevel; _equalizePoints(_panOffset, item.initialPosition ); _applyCurrentZoomPan(); template.style.opacity = out ? 0 : 1; _applyBgOpacity(1); if(duration) { setTimeout(function() { onComplete(); }, duration); } else { onComplete(); } return; } var startAnimation = function() { var closeWithRaf = _closedByScroll, fadeEverything = !self.currItem.src || self.currItem.loadError || _options.showHideOpacity; // apply hw-acceleration to image if(item.miniImg) { item.miniImg.style.webkitBackfaceVisibility = 'hidden'; } if(!out) { _currZoomLevel = thumbBounds.w / item.w; _panOffset.x = thumbBounds.x; _panOffset.y = thumbBounds.y - _initalWindowScrollY; self[fadeEverything ? 'template' : 'bg'].style.opacity = 0.001; _applyCurrentZoomPan(); } _registerStartAnimation('initialZoom'); if(out && !closeWithRaf) { framework.removeClass(template, 'pswp--animated-in'); } if(fadeEverything) { if(out) { framework[ (closeWithRaf ? 'remove' : 'add') + 'Class' ](template, 'pswp--animate_opacity'); } else { setTimeout(function() { framework.addClass(template, 'pswp--animate_opacity'); }, 30); } } _showOrHideTimeout = setTimeout(function() { _shout('initialZoom' + (out ? 'Out' : 'In') ); if(!out) { // "in" animation always uses CSS transitions (instead of rAF). // CSS transition work faster here, // as developer may also want to animate other things, // like ui on top of sliding area, which can be animated just via CSS _currZoomLevel = item.initialZoomLevel; _equalizePoints(_panOffset, item.initialPosition ); _applyCurrentZoomPan(); _applyBgOpacity(1); if(fadeEverything) { template.style.opacity = 1; } else { _applyBgOpacity(1); } _showOrHideTimeout = setTimeout(onComplete, duration + 20); } else { // "out" animation uses rAF only when PhotoSwipe is closed by browser scroll, to recalculate position var destZoomLevel = thumbBounds.w / item.w, initialPanOffset = { x: _panOffset.x, y: _panOffset.y }, initialZoomLevel = _currZoomLevel, initalBgOpacity = _bgOpacity, onUpdate = function(now) { if(now === 1) { _currZoomLevel = destZoomLevel; _panOffset.x = thumbBounds.x; _panOffset.y = thumbBounds.y - _currentWindowScrollY; } else { _currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel; _panOffset.x = (thumbBounds.x - initialPanOffset.x) * now + initialPanOffset.x; _panOffset.y = (thumbBounds.y - _currentWindowScrollY - initialPanOffset.y) * now + initialPanOffset.y; } _applyCurrentZoomPan(); if(fadeEverything) { template.style.opacity = 1 - now; } else { _applyBgOpacity( initalBgOpacity - now * initalBgOpacity ); } }; if(closeWithRaf) { _animateProp('initialZoom', 0, 1, duration, framework.easing.cubic.out, onUpdate, onComplete); } else { onUpdate(1); _showOrHideTimeout = setTimeout(onComplete, duration + 20); } } }, out ? 25 : 90); // Main purpose of this delay is to give browser time to paint and // create composite layers of PhotoSwipe UI parts (background, controls, caption, arrows). // Which avoids lag at the beginning of scale transition. }; startAnimation(); }; /*>>show-hide-transition*/ /*>>items-controller*/ /** * * Controller manages gallery items, their dimensions, and their content. * */ var _items, _tempPanAreaSize = {}, _imagesToAppendPool = [], _initialContentSet, _initialZoomRunning, _controllerDefaultOptions = { index: 0, errorMsg: '
The image could not be loaded.
', forceProgressiveLoading: false, // TODO preload: [1,1], getNumItemsFn: function() { return _items.length; } }; var _getItemAt, _getNumItems, _initialIsLoop, _getZeroBounds = function() { return { center:{x:0,y:0}, max:{x:0,y:0}, min:{x:0,y:0} }; }, _calculateSingleItemPanBounds = function(item, realPanElementW, realPanElementH ) { var bounds = item.bounds; // position of element when it's centered bounds.center.x = Math.round((_tempPanAreaSize.x - realPanElementW) / 2); bounds.center.y = Math.round((_tempPanAreaSize.y - realPanElementH) / 2) + item.vGap.top; // maximum pan position bounds.max.x = (realPanElementW > _tempPanAreaSize.x) ? Math.round(_tempPanAreaSize.x - realPanElementW) : bounds.center.x; bounds.max.y = (realPanElementH > _tempPanAreaSize.y) ? Math.round(_tempPanAreaSize.y - realPanElementH) + item.vGap.top : bounds.center.y; // minimum pan position bounds.min.x = (realPanElementW > _tempPanAreaSize.x) ? 0 : bounds.center.x; bounds.min.y = (realPanElementH > _tempPanAreaSize.y) ? item.vGap.top : bounds.center.y; }, _calculateItemSize = function(item, viewportSize, zoomLevel) { if (item.src && !item.loadError) { var isInitial = !zoomLevel; if(isInitial) { if(!item.vGap) { item.vGap = {top:0,bottom:0}; } // allows overriding vertical margin for individual items _shout('parseVerticalMargin', item); } _tempPanAreaSize.x = viewportSize.x; _tempPanAreaSize.y = viewportSize.y - item.vGap.top - item.vGap.bottom; if (isInitial) { var hRatio = _tempPanAreaSize.x / item.w; var vRatio = _tempPanAreaSize.y / item.h; item.fitRatio = hRatio < vRatio ? hRatio : vRatio; //item.fillRatio = hRatio > vRatio ? hRatio : vRatio; var scaleMode = _options.scaleMode; if (scaleMode === 'orig') { zoomLevel = 1; } else if (scaleMode === 'fit') { zoomLevel = item.fitRatio; } if (zoomLevel > 1) { zoomLevel = 1; } item.initialZoomLevel = zoomLevel; if(!item.bounds) { // reuse bounds object item.bounds = _getZeroBounds(); } } if(!zoomLevel) { return; } _calculateSingleItemPanBounds(item, item.w * zoomLevel, item.h * zoomLevel); if (isInitial && zoomLevel === item.initialZoomLevel) { item.initialPosition = item.bounds.center; } return item.bounds; } else { item.w = item.h = 0; item.initialZoomLevel = item.fitRatio = 1; item.bounds = _getZeroBounds(); item.initialPosition = item.bounds.center; // if it's not image, we return zero bounds (content is not zoomable) return item.bounds; } }, _appendImage = function(index, item, baseDiv, img, preventAnimation, keepPlaceholder) { if(item.loadError) { return; } if(img) { item.imageAppended = true; _setImageSize(item, img, (item === self.currItem && _renderMaxResolution) ); baseDiv.appendChild(img); if(keepPlaceholder) { setTimeout(function() { if(item && item.loaded && item.placeholder) { item.placeholder.style.display = 'none'; item.placeholder = null; } }, 500); } } }, _preloadImage = function(item) { item.loading = true; item.loaded = false; var img = item.img = framework.createEl('pswp__img', 'img'); var onComplete = function() { item.loading = false; item.loaded = true; if(item.loadComplete) { item.loadComplete(item); } else { item.img = null; // no need to store image object } img.onload = img.onerror = null; img = null; }; img.onload = onComplete; img.onerror = function() { item.loadError = true; onComplete(); }; img.src = item.src;// + '?a=' + Math.random(); img.alt = item.alt || ''; return img; }, _checkForError = function(item, cleanUp) { if(item.src && item.loadError && item.container) { if(cleanUp) { item.container.innerHTML = ''; } item.container.innerHTML = _options.errorMsg.replace('%url%', item.src ); return true; } }, _setImageSize = function(item, img, maxRes) { if(!item.src) { return; } if(!img) { img = item.container.lastChild; } var w = maxRes ? item.w : Math.round(item.w * item.fitRatio), h = maxRes ? item.h : Math.round(item.h * item.fitRatio); if(item.placeholder && !item.loaded) { item.placeholder.style.width = w + 'px'; item.placeholder.style.height = h + 'px'; } img.style.width = w + 'px'; img.style.height = h + 'px'; }, _appendImagesPool = function() { if(_imagesToAppendPool.length) { var poolItem; for(var i = 0; i < _imagesToAppendPool.length; i++) { poolItem = _imagesToAppendPool[i]; if( poolItem.holder.index === poolItem.index ) { _appendImage(poolItem.index, poolItem.item, poolItem.baseDiv, poolItem.img, false, poolItem.clearPlaceholder); } } _imagesToAppendPool = []; } }; _registerModule('Controller', { publicMethods: { lazyLoadItem: function(index) { index = _getLoopedId(index); var item = _getItemAt(index); if(!item || ((item.loaded || item.loading) && !_itemsNeedUpdate)) { return; } _shout('gettingData', index, item); if (!item.src) { return; } _preloadImage(item); }, initController: function() { framework.extend(_options, _controllerDefaultOptions, true); self.items = _items = items; _getItemAt = self.getItemAt; _getNumItems = _options.getNumItemsFn; //self.getNumItems; _initialIsLoop = _options.loop; if(_getNumItems() < 3) { _options.loop = false; // disable loop if less then 3 items } _listen('beforeChange', function(diff) { var p = _options.preload, isNext = diff === null ? true : (diff >= 0), preloadBefore = Math.min(p[0], _getNumItems() ), preloadAfter = Math.min(p[1], _getNumItems() ), i; for(i = 1; i <= (isNext ? preloadAfter : preloadBefore); i++) { self.lazyLoadItem(_currentItemIndex+i); } for(i = 1; i <= (isNext ? preloadBefore : preloadAfter); i++) { self.lazyLoadItem(_currentItemIndex-i); } }); _listen('initialLayout', function() { self.currItem.initialLayout = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex); }); _listen('mainScrollAnimComplete', _appendImagesPool); _listen('initialZoomInEnd', _appendImagesPool); _listen('destroy', function() { var item; for(var i = 0; i < _items.length; i++) { item = _items[i]; // remove reference to DOM elements, for GC if(item.container) { item.container = null; } if(item.placeholder) { item.placeholder = null; } if(item.img) { item.img = null; } if(item.preloader) { item.preloader = null; } if(item.loadError) { item.loaded = item.loadError = false; } } _imagesToAppendPool = null; }); }, getItemAt: function(index) { if (index >= 0) { return _items[index] !== undefined ? _items[index] : false; } return false; }, allowProgressiveImg: function() { // 1. Progressive image loading isn't working on webkit/blink // when hw-acceleration (e.g. translateZ) is applied to IMG element. // That's why in PhotoSwipe parent element gets zoom transform, not image itself. // // 2. Progressive image loading sometimes blinks in webkit/blink when applying animation to parent element. // That's why it's disabled on touch devices (mainly because of swipe transition) // // 3. Progressive image loading sometimes doesn't work in IE (up to 11). // Don't allow progressive loading on non-large touch devices return _options.forceProgressiveLoading || !_likelyTouchDevice || _options.mouseUsed || screen.width > 1200; // 1200 - to eliminate touch devices with large screen (like Chromebook Pixel) }, setContent: function(holder, index) { if(_options.loop) { index = _getLoopedId(index); } var prevItem = self.getItemAt(holder.index); if(prevItem) { prevItem.container = null; } var item = self.getItemAt(index), img; if(!item) { holder.el.innerHTML = ''; return; } // allow to override data _shout('gettingData', index, item); holder.index = index; holder.item = item; // base container DIV is created only once for each of 3 holders var baseDiv = item.container = framework.createEl('pswp__zoom-wrap'); if(!item.src && item.html) { if(item.html.tagName) { baseDiv.appendChild(item.html); } else { baseDiv.innerHTML = item.html; } } _checkForError(item); _calculateItemSize(item, _viewportSize); if(item.src && !item.loadError && !item.loaded) { item.loadComplete = function(item) { // gallery closed before image finished loading if(!_isOpen) { return; } // check if holder hasn't changed while image was loading if(holder && holder.index === index ) { if( _checkForError(item, true) ) { item.loadComplete = item.img = null; _calculateItemSize(item, _viewportSize); _applyZoomPanToItem(item); if(holder.index === _currentItemIndex) { // recalculate dimensions self.updateCurrZoomItem(); } return; } if( !item.imageAppended ) { if(_features.transform && (_mainScrollAnimating || _initialZoomRunning) ) { _imagesToAppendPool.push({ item:item, baseDiv:baseDiv, img:item.img, index:index, holder:holder, clearPlaceholder:true }); } else { _appendImage(index, item, baseDiv, item.img, _mainScrollAnimating || _initialZoomRunning, true); } } else { // remove preloader & mini-img if(!_initialZoomRunning && item.placeholder) { item.placeholder.style.display = 'none'; item.placeholder = null; } } } item.loadComplete = null; item.img = null; // no need to store image element after it's added _shout('imageLoadComplete', index, item); }; if(framework.features.transform) { var placeholderClassName = 'pswp__img pswp__img--placeholder'; placeholderClassName += (item.msrc ? '' : ' pswp__img--placeholder--blank'); var placeholder = framework.createEl(placeholderClassName, item.msrc ? 'img' : ''); if(item.msrc) { placeholder.src = item.msrc; } _setImageSize(item, placeholder); baseDiv.appendChild(placeholder); item.placeholder = placeholder; } if(!item.loading) { _preloadImage(item); } if( self.allowProgressiveImg() ) { // just append image if(!_initialContentSet && _features.transform) { _imagesToAppendPool.push({ item:item, baseDiv:baseDiv, img:item.img, index:index, holder:holder }); } else { _appendImage(index, item, baseDiv, item.img, true, true); } } } else if(item.src && !item.loadError) { // image object is created every time, due to bugs of image loading & delay when switching images img = framework.createEl('pswp__img', 'img'); img.style.opacity = 1; img.src = item.src; _setImageSize(item, img); _appendImage(index, item, baseDiv, img, true); } if(!_initialContentSet && index === _currentItemIndex) { _currZoomElementStyle = baseDiv.style; _showOrHide(item, (img ||item.img) ); } else { _applyZoomPanToItem(item); } holder.el.innerHTML = ''; holder.el.appendChild(baseDiv); }, cleanSlide: function( item ) { if(item.img ) { item.img.onload = item.img.onerror = null; } item.loaded = item.loading = item.img = item.imageAppended = false; } } }); /*>>items-controller*/ /*>>tap*/ /** * tap.js: * * Displatches tap and double-tap events. * */ var tapTimer, tapReleasePoint = {}, _dispatchTapEvent = function(origEvent, releasePoint, pointerType) { var e = document.createEvent( 'CustomEvent' ), eDetail = { origEvent:origEvent, target:origEvent.target, releasePoint: releasePoint, pointerType:pointerType || 'touch' }; e.initCustomEvent( 'pswpTap', true, true, eDetail ); origEvent.target.dispatchEvent(e); }; _registerModule('Tap', { publicMethods: { initTap: function() { _listen('firstTouchStart', self.onTapStart); _listen('touchRelease', self.onTapRelease); _listen('destroy', function() { tapReleasePoint = {}; tapTimer = null; }); }, onTapStart: function(touchList) { if(touchList.length > 1) { clearTimeout(tapTimer); tapTimer = null; } }, onTapRelease: function(e, releasePoint) { if(!releasePoint) { return; } if(!_moved && !_isMultitouch && !_numAnimations && self.container.contains(e.target)) { var p0 = releasePoint; if(tapTimer) { clearTimeout(tapTimer); tapTimer = null; // Check if taped on the same place if ( _isNearbyPoints(p0, tapReleasePoint) ) { _shout('doubleTap', p0); return; } } if(releasePoint.type === 'mouse') { _dispatchTapEvent(e, releasePoint, 'mouse'); return; } var clickedTagName = e.target.tagName.toUpperCase(); // avoid double tap delay on buttons and elements that have class pswp__single-tap if(clickedTagName === 'BUTTON' || framework.hasClass(e.target, 'pswp__single-tap') ) { _dispatchTapEvent(e, releasePoint); return; } _equalizePoints(tapReleasePoint, p0); tapTimer = setTimeout(function() { _dispatchTapEvent(e, releasePoint); tapTimer = null; }, 300); } } } }); /*>>tap*/ /*>>desktop-zoom*/ /** * * desktop-zoom.js: * * - Binds mousewheel event for paning zoomed image. * - Manages "dragging", "zoomed-in", "zoom-out" classes. * (which are used for cursors and zoom icon) * - Adds toggleDesktopZoom function. * */ var _wheelDelta; _registerModule('DesktopZoom', { publicMethods: { initDesktopZoom: function() { if(_oldIE) { // no zoom for old IE (<=8) return; } if(_likelyTouchDevice) { // if detected hardware touch support, we wait until mouse is used, // and only then apply desktop-zoom features _listen('mouseUsed', function() { self.setupDesktopZoom(); }); } else { self.setupDesktopZoom(true); } }, setupDesktopZoom: function(onInit) { _wheelDelta = {}; var events = 'wheel mousewheel DOMMouseScroll'; _listen('bindEvents', function() { framework.bind(template, events, self.handleMouseWheel); }); _listen('unbindEvents', function() { if(_wheelDelta) { framework.unbind(template, events, self.handleMouseWheel); } }); self.mouseZoomedIn = false; var hasDraggingClass, updateZoomable = function() { if(self.mouseZoomedIn) { framework.removeClass(template, 'pswp--zoomed-in'); self.mouseZoomedIn = false; } if(_currZoomLevel < 1) { framework.addClass(template, 'pswp--zoom-allowed'); } else { framework.removeClass(template, 'pswp--zoom-allowed'); } removeDraggingClass(); }, removeDraggingClass = function() { if(hasDraggingClass) { framework.removeClass(template, 'pswp--dragging'); hasDraggingClass = false; } }; _listen('resize' , updateZoomable); _listen('afterChange' , updateZoomable); _listen('pointerDown', function() { if(self.mouseZoomedIn) { hasDraggingClass = true; framework.addClass(template, 'pswp--dragging'); } }); _listen('pointerUp', removeDraggingClass); if(!onInit) { updateZoomable(); } }, handleMouseWheel: function(e) { if(_currZoomLevel <= self.currItem.fitRatio) { if( _options.modal ) { if (!_options.closeOnScroll || _numAnimations || _isDragging) { e.preventDefault(); } else if(_transformKey && Math.abs(e.deltaY) > 2) { // close PhotoSwipe // if browser supports transforms & scroll changed enough _closedByScroll = true; self.close(); } } return true; } // allow just one event to fire e.stopPropagation(); // https://developer.mozilla.org/en-US/docs/Web/Events/wheel _wheelDelta.x = 0; if('deltaX' in e) { if(e.deltaMode === 1 /* DOM_DELTA_LINE */) { // 18 - average line height _wheelDelta.x = e.deltaX * 18; _wheelDelta.y = e.deltaY * 18; } else { _wheelDelta.x = e.deltaX; _wheelDelta.y = e.deltaY; } } else if('wheelDelta' in e) { if(e.wheelDeltaX) { _wheelDelta.x = -0.16 * e.wheelDeltaX; } if(e.wheelDeltaY) { _wheelDelta.y = -0.16 * e.wheelDeltaY; } else { _wheelDelta.y = -0.16 * e.wheelDelta; } } else if('detail' in e) { _wheelDelta.y = e.detail; } else { return; } _calculatePanBounds(_currZoomLevel, true); var newPanX = _panOffset.x - _wheelDelta.x, newPanY = _panOffset.y - _wheelDelta.y; // only prevent scrolling in nonmodal mode when not at edges if (_options.modal || ( newPanX <= _currPanBounds.min.x && newPanX >= _currPanBounds.max.x && newPanY <= _currPanBounds.min.y && newPanY >= _currPanBounds.max.y ) ) { e.preventDefault(); } // TODO: use rAF instead of mousewheel? self.panTo(newPanX, newPanY); }, toggleDesktopZoom: function(centerPoint) { centerPoint = centerPoint || {x:_viewportSize.x/2 + _offset.x, y:_viewportSize.y/2 + _offset.y }; var doubleTapZoomLevel = _options.getDoubleTapZoom(true, self.currItem); var zoomOut = _currZoomLevel === doubleTapZoomLevel; self.mouseZoomedIn = !zoomOut; self.zoomTo(zoomOut ? self.currItem.initialZoomLevel : doubleTapZoomLevel, centerPoint, 333); framework[ (!zoomOut ? 'add' : 'remove') + 'Class'](template, 'pswp--zoomed-in'); } } }); /*>>desktop-zoom*/ /*>>history*/ /** * * history.js: * * - Back button to close gallery. * * - Unique URL for each slide: example.com/&pid=1&gid=3 * (where PID is picture index, and GID and gallery index) * * - Switch URL when slides change. * */ var _historyDefaultOptions = { history: true, galleryUID: 1 }; var _historyUpdateTimeout, _hashChangeTimeout, _hashAnimCheckTimeout, _hashChangedByScript, _hashChangedByHistory, _hashReseted, _initialHash, _historyChanged, _closedFromURL, _urlChangedOnce, _windowLoc, _supportsPushState, _getHash = function() { return _windowLoc.hash.substring(1); }, _cleanHistoryTimeouts = function() { if(_historyUpdateTimeout) { clearTimeout(_historyUpdateTimeout); } if(_hashAnimCheckTimeout) { clearTimeout(_hashAnimCheckTimeout); } }, // pid - Picture index // gid - Gallery index _parseItemIndexFromURL = function() { var hash = _getHash(), params = {}; if(hash.length < 5) { // pid=1 return params; } var i, vars = hash.split('&'); for (i = 0; i < vars.length; i++) { if(!vars[i]) { continue; } var pair = vars[i].split('='); if(pair.length < 2) { continue; } params[pair[0]] = pair[1]; } if(_options.galleryPIDs) { // detect custom pid in hash and search for it among the items collection var searchfor = params.pid; params.pid = 0; // if custom pid cannot be found, fallback to the first item for(i = 0; i < _items.length; i++) { if(_items[i].pid === searchfor) { params.pid = i; break; } } } else { params.pid = parseInt(params.pid,10)-1; } if( params.pid < 0 ) { params.pid = 0; } return params; }, _updateHash = function() { if(_hashAnimCheckTimeout) { clearTimeout(_hashAnimCheckTimeout); } if(_numAnimations || _isDragging) { // changing browser URL forces layout/paint in some browsers, which causes noticable lag during animation // that's why we update hash only when no animations running _hashAnimCheckTimeout = setTimeout(_updateHash, 500); return; } if(_hashChangedByScript) { clearTimeout(_hashChangeTimeout); } else { _hashChangedByScript = true; } var pid = (_currentItemIndex + 1); var item = _getItemAt( _currentItemIndex ); if(item.hasOwnProperty('pid')) { // carry forward any custom pid assigned to the item pid = item.pid; } var newHash = _initialHash + '&' + 'gid=' + _options.galleryUID + '&' + 'pid=' + pid; if(!_historyChanged) { if(_windowLoc.hash.indexOf(newHash) === -1) { _urlChangedOnce = true; } // first time - add new hisory record, then just replace } var newURL = _windowLoc.href.split('#')[0] + '#' + newHash; if( _supportsPushState ) { if('#' + newHash !== window.location.hash) { history[_historyChanged ? 'replaceState' : 'pushState']('', document.title, newURL); } } else { if(_historyChanged) { _windowLoc.replace( newURL ); } else { _windowLoc.hash = newHash; } } _historyChanged = true; _hashChangeTimeout = setTimeout(function() { _hashChangedByScript = false; }, 60); }; _registerModule('History', { publicMethods: { initHistory: function() { framework.extend(_options, _historyDefaultOptions, true); if( !_options.history ) { return; } _windowLoc = window.location; _urlChangedOnce = false; _closedFromURL = false; _historyChanged = false; _initialHash = _getHash(); _supportsPushState = ('pushState' in history); if(_initialHash.indexOf('gid=') > -1) { _initialHash = _initialHash.split('&gid=')[0]; _initialHash = _initialHash.split('?gid=')[0]; } _listen('afterChange', self.updateURL); _listen('unbindEvents', function() { framework.unbind(window, 'hashchange', self.onHashChange); }); var returnToOriginal = function() { _hashReseted = true; if(!_closedFromURL) { if(_urlChangedOnce) { history.back(); } else { if(_initialHash) { _windowLoc.hash = _initialHash; } else { if (_supportsPushState) { // remove hash from url without refreshing it or scrolling to top history.pushState('', document.title, _windowLoc.pathname + _windowLoc.search ); } else { _windowLoc.hash = ''; } } } } _cleanHistoryTimeouts(); }; _listen('unbindEvents', function() { if(_closedByScroll) { // if PhotoSwipe is closed by scroll, we go "back" before the closing animation starts // this is done to keep the scroll position returnToOriginal(); } }); _listen('destroy', function() { if(!_hashReseted) { returnToOriginal(); } }); _listen('firstUpdate', function() { _currentItemIndex = _parseItemIndexFromURL().pid; }); var index = _initialHash.indexOf('pid='); if(index > -1) { _initialHash = _initialHash.substring(0, index); if(_initialHash.slice(-1) === '&') { _initialHash = _initialHash.slice(0, -1); } } setTimeout(function() { if(_isOpen) { // hasn't destroyed yet framework.bind(window, 'hashchange', self.onHashChange); } }, 40); }, onHashChange: function() { if(_getHash() === _initialHash) { _closedFromURL = true; self.close(); return; } if(!_hashChangedByScript) { _hashChangedByHistory = true; self.goTo( _parseItemIndexFromURL().pid ); _hashChangedByHistory = false; } }, updateURL: function() { // Delay the update of URL, to avoid lag during transition, // and to not to trigger actions like "refresh page sound" or "blinking favicon" to often _cleanHistoryTimeouts(); if(_hashChangedByHistory) { return; } if(!_historyChanged) { _updateHash(); // first time } else { _historyUpdateTimeout = setTimeout(_updateHash, 800); } } } }); /*>>history*/ framework.extend(self, publicMethods); }; return PhotoSwipe; });photoswipe.min.js000064400000075612150732341450010104 0ustar00/*! 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