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Mini Shell
/*! 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 += '<a href="' + shareURL + '" target="_blank" '+
'class="pswp__share--' + shareButtonData.id + '"' +
(shareButtonData.download ? 'download' : '') + '>' +
shareButtonData.label + '</a>';
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;
});
Zerion Mini Shell 1.0