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Diffstat (limited to 'gallery/pswp/photoswipe-ui-default.js')
| -rw-r--r-- | gallery/pswp/photoswipe-ui-default.js | 861 |
1 files changed, 861 insertions, 0 deletions
diff --git a/gallery/pswp/photoswipe-ui-default.js b/gallery/pswp/photoswipe-ui-default.js new file mode 100644 index 0000000..7f3a71a --- /dev/null +++ b/gallery/pswp/photoswipe-ui-default.js @@ -0,0 +1,861 @@ +/*! PhotoSwipe Default UI - 4.1.1 - 2015-12-24 +* http://photoswipe.com +* Copyright (c) 2015 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; + + +}); |