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/* global WPCOM_sharing_counts */ |
| 2 |
|
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// NOTE: This file intentionally does not make use of polyfills or libraries, |
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// including jQuery. Please keep all code as IE11-compatible vanilla ES5, and |
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// ensure everything is inside an IIFE to avoid global namespace pollution. |
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// Code follows WordPress browser support guidelines. For an up to date list, |
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// see https://make.wordpress.org/core/handbook/best-practices/browser-support/ |
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|
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( function () { |
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var currentScript = document.currentScript; |
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|
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// -------------------------- UTILITY FUNCTIONS -------------------------- // |
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|
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// Helper function to load an external script. |
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function loadScript( url ) { |
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var script = document.createElement( 'script' ); |
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var prev = currentScript || document.getElementsByTagName( 'script' )[ 0 ]; |
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script.setAttribute( 'async', true ); |
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script.setAttribute( 'src', url ); |
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prev.parentNode.insertBefore( script, prev ); |
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} |
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|
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// Helper matches function (not a polyfill), compatible with IE 11. |
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function matches( el, sel ) { |
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if ( Element.prototype.matches ) { |
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return el.matches( sel ); |
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} |
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|
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if ( Element.prototype.msMatchesSelector ) { |
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return el.msMatchesSelector( sel ); |
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} |
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} |
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|
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// Helper closest parent node function (not a polyfill) based on |
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// https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Polyfill |
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function closest( el, sel ) { |
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if ( el.closest ) { |
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return el.closest( sel ); |
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} |
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|
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var current = el; |
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|
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do { |
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if ( matches( current, sel ) ) { |
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return current; |
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} |
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current = current.parentElement || current.parentNode; |
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} while ( current !== null && current.nodeType === 1 ); |
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|
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return null; |
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} |
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|
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// Helper function to iterate over a NodeList |
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// (since IE 11 doesn't have NodeList.prototype.forEach) |
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function forEachNode( list, fn ) { |
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for ( var i = 0; i < list.length; i++ ) { |
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var node = list[ i ]; |
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fn( node, i, list ); |
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} |
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} |
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|
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// Helper function to remove a node from the DOM. |
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function removeNode( node ) { |
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if ( node && node.parentNode ) { |
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node.parentNode.removeChild( node ); |
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} |
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} |
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|
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// Helper functions to show/hide a node, and check its status. |
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function hideNode( node ) { |
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if ( node ) { |
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node.style.display = 'none'; |
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} |
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} |
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|
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function showNode( node ) { |
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if ( node ) { |
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node.style.removeProperty( 'display' ); |
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} |
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} |
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|
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function isNodeHidden( node ) { |
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return ! node || node.style.display === 'none'; |
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} |
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|
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// ------------------------------- CLASSES ------------------------------- // |
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|
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var PANE_SELECTOR = '.sharing-hidden .inner'; |
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var PANE_DATA_ATTR = 'data-sharing-more-button-id'; |
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|
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// Implements a MoreButton class, which controls the lifecycle and behavior |
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// of a "more" button and its dialog. |
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function MoreButton( buttonEl ) { |
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this.button = buttonEl; |
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this.pane = closest( buttonEl, 'div' ).querySelector( PANE_SELECTOR ); |
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this.openedBy = null; |
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this.recentlyOpenedByHover = false; |
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|
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MoreButton.instances.push( this ); |
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this.pane.setAttribute( PANE_DATA_ATTR, MoreButton.instances.length - 1 ); |
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|
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this.attachHandlers(); |
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} |
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|
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// Keep a reference to each instance, so we can get back to it from the DOM. |
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MoreButton.instances = []; |
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|
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// Delay time configs. |
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MoreButton.hoverOpenDelay = 200; |
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MoreButton.recentOpenDelay = 400; |
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MoreButton.hoverCloseDelay = 300; |
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|
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// Use this to avoid creating new instances for buttons which already have one. |
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MoreButton.instantiateOrReuse = function ( buttonEl ) { |
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var pane = closest( buttonEl, 'div' ).querySelector( PANE_SELECTOR ); |
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var paneId = pane && pane.getAttribute( PANE_DATA_ATTR ); |
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|
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var existingInstance = MoreButton.instances[ paneId ]; |
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if ( existingInstance ) { |
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return existingInstance; |
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} |
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|
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return new MoreButton( buttonEl ); |
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}; |
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|
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// Retrieve a button instance from the pane DOM element. |
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MoreButton.getButtonInstanceFromPane = function ( paneEl ) { |
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var paneId = paneEl && paneEl.getAttribute( PANE_DATA_ATTR ); |
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return MoreButton.instances[ paneId ]; |
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}; |
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|
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// Close all open More Button dialogs. |
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MoreButton.closeAll = function () { |
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for ( var i = 0; i < MoreButton.instances.length; i++ ) { |
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MoreButton.instances[ i ].close(); |
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} |
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}; |
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|
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MoreButton.prototype.open = function () { |
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var offset; |
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var offsetParent; |
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var parentOffset = [ 0, 0 ]; |
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|
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function getOffsets( el ) { |
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var rect = el.getBoundingClientRect(); |
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return [ |
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rect.left + ( window.scrollX || window.pageXOffset || 0 ), |
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rect.top + ( window.scrollY || window.pageYOffset || 0 ), |
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]; |
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} |
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|
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function getStyleValue( el, prop ) { |
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return parseInt( getComputedStyle( el ).getPropertyValue( prop ) || 0 ); |
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} |
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|
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offset = getOffsets( this.button ); |
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offsetParent = this.button.offsetParent || document.documentElement; |
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|
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while ( |
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offsetParent && |
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( offsetParent === document.body || offsetParent === document.documentElement ) && |
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getComputedStyle( offsetParent ).getPropertyValue( 'position' ) === 'static' |
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) { |
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offsetParent = offsetParent.parentNode; |
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} |
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|
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if ( offsetParent && offsetParent !== this.button && offsetParent.nodeType === 1 ) { |
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parentOffset = getOffsets( offsetParent ); |
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parentOffset = [ |
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parentOffset[ 0 ] + getStyleValue( offsetParent, 'border-left-width' ), |
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parentOffset[ 1 ] + getStyleValue( offsetParent, 'border-top-width' ), |
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]; |
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} |
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|
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var positionLeft = |
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offset[ 0 ] - parentOffset[ 0 ] - getStyleValue( this.button, 'margin-left' ); |
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var positionTop = offset[ 1 ] - parentOffset[ 1 ] - getStyleValue( this.button, 'margin-top' ); |
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|
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this.pane.style.left = positionLeft + 'px'; |
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this.pane.style.top = positionTop + this.button.offsetHeight + 3 + 'px'; |
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|
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showNode( this.pane ); |
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}; |
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|
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MoreButton.prototype.close = function () { |
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hideNode( this.pane ); |
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this.openedBy = null; |
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}; |
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|
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MoreButton.prototype.toggle = function () { |
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if ( isNodeHidden( this.pane ) ) { |
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this.open(); |
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} else { |
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this.close(); |
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} |
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}; |
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|
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MoreButton.prototype.resetCloseTimer = function () { |
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clearTimeout( this.closeTimer ); |
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this.closeTimer = setTimeout( this.close.bind( this ), MoreButton.hoverCloseDelay ); |
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}; |
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|
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MoreButton.prototype.attachHandlers = function () { |
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this.buttonClick = function ( event ) { |
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event.preventDefault(); |
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event.stopPropagation(); |
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|
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this.openedBy = 'click'; |
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clearTimeout( this.openTimer ); |
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clearTimeout( this.closeTimer ); |
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|
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if ( this.recentlyOpenedByHover ) { |
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this.recentlyOpenedByHover = false; |
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clearTimeout( this.hoverOpenTimer ); |
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this.open(); |
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} else { |
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this.toggle(); |
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} |
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}.bind( this ); |
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|
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this.buttonEnter = function () { |
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if ( ! this.openedBy ) { |
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this.openTimer = setTimeout( |
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function () { |
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this.open(); |
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this.openedBy = 'hover'; |
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this.recentlyOpenedByHover = true; |
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this.hoverOpenTimer = setTimeout( |
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function () { |
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this.recentlyOpenedByHover = false; |
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}.bind( this ), |
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MoreButton.recentOpenDelay |
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); |
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}.bind( this ), |
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MoreButton.hoverOpenDelay |
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); |
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} |
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clearTimeout( this.closeTimer ); |
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}.bind( this ); |
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|
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this.buttonLeave = function () { |
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if ( this.openedBy === 'hover' ) { |
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this.resetCloseTimer(); |
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} |
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clearTimeout( this.openTimer ); |
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}.bind( this ); |
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|
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this.paneEnter = function () { |
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clearTimeout( this.closeTimer ); |
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}.bind( this ); |
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|
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this.paneLeave = function () { |
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if ( this.openedBy === 'hover' ) { |
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this.resetCloseTimer(); |
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} |
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}.bind( this ); |
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|
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this.documentClick = function () { |
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this.close(); |
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}.bind( this ); |
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|
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this.button.addEventListener( 'click', this.buttonClick ); |
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document.addEventListener( 'click', this.documentClick ); |
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|
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if ( document.ontouchstart === undefined ) { |
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// Non-touchscreen device: use hover/mouseout with delay |
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this.button.addEventListener( 'mouseenter', this.buttonEnter ); |
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this.button.addEventListener( 'mouseleave', this.buttonLeave ); |
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this.pane.addEventListener( 'mouseenter', this.paneEnter ); |
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this.pane.addEventListener( 'mouseleave', this.paneLeave ); |
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} |
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}; |
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|
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// ---------------------------- SHARE COUNTS ---------------------------- // |
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|
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if ( window.sharing_js_options && window.sharing_js_options.counts ) { |
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var WPCOMSharing = { |
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done_urls: [], |
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get_counts: function () { |
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var url, requests, id, service, service_request; |
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|
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if ( 'undefined' === typeof WPCOM_sharing_counts ) { |
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return; |
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} |
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|
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for ( url in WPCOM_sharing_counts ) { |
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id = WPCOM_sharing_counts[ url ]; |
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|
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if ( 'undefined' !== typeof WPCOMSharing.done_urls[ id ] ) { |
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continue; |
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} |
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|
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requests = { |
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// Pinterest handles share counts for both http and https |
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pinterest: [ |
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window.location.protocol + |
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'//api.pinterest.com/v1/urls/count.json?callback=WPCOMSharing.update_pinterest_count&url=' + |
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encodeURIComponent( url ), |
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], |
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}; |
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|
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for ( service in requests ) { |
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if ( ! document.querySelector( 'a[data-shared=sharing-' + service + '-' + id + ']' ) ) { |
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continue; |
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} |
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|
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while ( ( service_request = requests[ service ].pop() ) ) { |
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loadScript( service_request ); |
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} |
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|
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if ( window.sharing_js_options.is_stats_active ) { |
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WPCOMSharing.bump_sharing_count_stat( service ); |
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} |
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} |
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|
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WPCOMSharing.done_urls[ id ] = true; |
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} |
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}, |
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update_pinterest_count: function ( data ) { |
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if ( 'undefined' !== typeof data.count && data.count * 1 > 0 ) { |
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WPCOMSharing.inject_share_count( |
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'sharing-pinterest-' + WPCOM_sharing_counts[ data.url ], |
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data.count |
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); |
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} |
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}, |
| 327 |
inject_share_count: function ( id, count ) { |
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forEachNode( |
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document.querySelectorAll( 'a[data-shared=' + id + '] > span' ), |
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function ( span ) { |
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var countNode = span.querySelector( '.share-count' ); |
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removeNode( countNode ); |
| 333 |
var newNode = document.createElement( 'span' ); |
| 334 |
newNode.className = 'share-count'; |
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newNode.textContent = WPCOMSharing.format_count( count ); |
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span.appendChild( newNode ); |
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} |
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); |
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}, |
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format_count: function ( count ) { |
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if ( count < 1000 ) { |
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return count; |
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} |
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if ( count >= 1000 && count < 10000 ) { |
| 345 |
return String( count ).substring( 0, 1 ) + 'K+'; |
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} |
| 347 |
return '10K+'; |
| 348 |
}, |
| 349 |
bump_sharing_count_stat: function ( service ) { |
| 350 |
new Image().src = |
| 351 |
document.location.protocol + |
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'//pixel.wp.com/g.gif?v=wpcom-no-pv&x_sharing-count-request=' + |
| 353 |
service + |
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'&r=' + |
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Math.random(); |
| 356 |
}, |
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}; |
| 358 |
window.WPCOMSharing = WPCOMSharing; |
| 359 |
} |
| 360 |
|
| 361 |
// ------------------------ BUTTON FUNCTIONALITY ------------------------ // |
| 362 |
function isUrlForCurrentHost( url ) { |
| 363 |
var currentDomain = window.location.protocol + '//' + window.location.hostname + '/'; |
| 364 |
|
| 365 |
return String( url ).indexOf( currentDomain ) === 0; |
| 366 |
} |
| 367 |
|
| 368 |
function getEncodedFormFieldForSubmit( name, value ) { |
| 369 |
// Encode the key and value into a URI-compatible string. |
| 370 |
var encoded = encodeURIComponent( name ) + '=' + encodeURIComponent( value ); |
| 371 |
|
| 372 |
// In x-www-form-urlencoded, spaces should be `+`, not `%20`. |
| 373 |
return encoded.replace( /%20/g, '+' ); |
| 374 |
} |
| 375 |
|
| 376 |
function trackButtonClick( button ) { |
| 377 |
var clickCount = getClickCountForButton( button ); |
| 378 |
|
| 379 |
setClickCountForButton( button, clickCount + 1 ); |
| 380 |
} |
| 381 |
|
| 382 |
function setClickCountForButton( button, clickCount ) { |
| 383 |
button.setAttribute( 'jetpack-share-click-count', clickCount ); |
| 384 |
} |
| 385 |
|
| 386 |
function getClickCountForButton( button ) { |
| 387 |
var currentClickCount = button.getAttribute( 'jetpack-share-click-count' ); |
| 388 |
if ( currentClickCount === null ) { |
| 389 |
return 0; |
| 390 |
} |
| 391 |
|
| 392 |
return parseInt( currentClickCount, 10 ); |
| 393 |
} |
| 394 |
|
| 395 |
function showEmailShareError( emailShareButton, sdUlGroup ) { |
| 396 |
var sdContent = sdUlGroup.parentElement; |
| 397 |
if ( ! sdContent.classList.contains( 'sd-content' ) ) { |
| 398 |
return; |
| 399 |
} |
| 400 |
|
| 401 |
forEachNode( sdContent.querySelectorAll( '.share-email-error' ), function ( shareEmailError ) { |
| 402 |
shareEmailError.parentElement.removeChild( shareEmailError ); |
| 403 |
} ); |
| 404 |
|
| 405 |
var newShareEmailError = document.createElement( 'div' ); |
| 406 |
newShareEmailError.className = 'share-email-error'; |
| 407 |
|
| 408 |
var newShareEmailErrorTitle = document.createElement( 'h6' ); |
| 409 |
newShareEmailErrorTitle.className = 'share-email-error-title'; |
| 410 |
newShareEmailErrorTitle.innerText = emailShareButton.getAttribute( |
| 411 |
'data-email-share-error-title' |
| 412 |
); |
| 413 |
newShareEmailError.appendChild( newShareEmailErrorTitle ); |
| 414 |
|
| 415 |
var newShareEmailErrorText = document.createElement( 'p' ); |
| 416 |
newShareEmailErrorText.className = 'share-email-error-text'; |
| 417 |
newShareEmailErrorText.innerText = emailShareButton.getAttribute( |
| 418 |
'data-email-share-error-text' |
| 419 |
); |
| 420 |
newShareEmailError.appendChild( newShareEmailErrorText ); |
| 421 |
|
| 422 |
sdContent.appendChild( newShareEmailError ); |
| 423 |
} |
| 424 |
|
| 425 |
function recordEmailShareClick( emailShareTrackerUrl, emailShareNonce ) { |
| 426 |
var request = new XMLHttpRequest(); |
| 427 |
request.open( 'POST', emailShareTrackerUrl, true ); |
| 428 |
request.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8' ); |
| 429 |
request.setRequestHeader( 'x-requested-with', 'XMLHttpRequest' ); |
| 430 |
|
| 431 |
request.send( getEncodedFormFieldForSubmit( 'email-share-nonce', emailShareNonce ) ); |
| 432 |
} |
| 433 |
|
| 434 |
// Sharing initialization. |
| 435 |
// Will run immediately or on `DOMContentLoaded`, depending on current page status. |
| 436 |
function init() { |
| 437 |
WPCOMSharing_do(); |
| 438 |
} |
| 439 |
if ( document.readyState !== 'loading' ) { |
| 440 |
init(); |
| 441 |
} else { |
| 442 |
document.addEventListener( 'DOMContentLoaded', init ); |
| 443 |
} |
| 444 |
|
| 445 |
// Set up sharing again whenever a new post loads, to pick up any new buttons. |
| 446 |
document.body.addEventListener( 'is.post-load', WPCOMSharing_do ); |
| 447 |
|
| 448 |
// Set up sharing, updating counts and adding all button functionality. |
| 449 |
function WPCOMSharing_do() { |
| 450 |
if ( window.WPCOMSharing ) { |
| 451 |
window.WPCOMSharing.get_counts(); |
| 452 |
} |
| 453 |
|
| 454 |
forEachNode( document.querySelectorAll( '.sharedaddy a' ), function ( anchor ) { |
| 455 |
var href = anchor.getAttribute( 'href' ); |
| 456 |
if ( href && href.indexOf( 'share=' ) !== -1 && href.indexOf( '&nb=1' ) === -1 ) { |
| 457 |
anchor.setAttribute( 'href', href + '&nb=1' ); |
| 458 |
} |
| 459 |
} ); |
| 460 |
|
| 461 |
// Show hidden buttons |
| 462 |
|
| 463 |
// Touchscreen device: use click. |
| 464 |
// Non-touchscreen device: use click if not already appearing due to a hover event |
| 465 |
|
| 466 |
forEachNode( |
| 467 |
document.querySelectorAll( '.sharedaddy a.sharing-anchor' ), |
| 468 |
function ( buttonEl ) { |
| 469 |
MoreButton.instantiateOrReuse( buttonEl ); |
| 470 |
} |
| 471 |
); |
| 472 |
|
| 473 |
if ( document.ontouchstart !== undefined ) { |
| 474 |
document.body.classList.add( 'jp-sharing-input-touch' ); |
| 475 |
} |
| 476 |
|
| 477 |
// Add click functionality |
| 478 |
forEachNode( document.querySelectorAll( '.sharedaddy ul' ), function ( group ) { |
| 479 |
if ( group.getAttribute( 'data-sharing-events-added' ) === 'true' ) { |
| 480 |
return; |
| 481 |
} |
| 482 |
group.setAttribute( 'data-sharing-events-added', 'true' ); |
| 483 |
|
| 484 |
var printUrl = function ( uniqueId, urlToPrint ) { |
| 485 |
var iframe = document.createElement( 'iframe' ); |
| 486 |
iframe.setAttribute( |
| 487 |
'style', |
| 488 |
'position:fixed; top:100; left:100; height:1px; width:1px; border:none;' |
| 489 |
); |
| 490 |
iframe.setAttribute( 'id', 'printFrame-' + uniqueId ); |
| 491 |
iframe.setAttribute( 'name', iframe.getAttribute( 'id' ) ); |
| 492 |
iframe.setAttribute( 'src', urlToPrint ); |
| 493 |
iframe.setAttribute( |
| 494 |
'onload', |
| 495 |
'frames["printFrame-' + |
| 496 |
uniqueId + |
| 497 |
'"].focus();frames["printFrame-' + |
| 498 |
uniqueId + |
| 499 |
'"].print();' |
| 500 |
); |
| 501 |
document.body.appendChild( iframe ); |
| 502 |
}; |
| 503 |
|
| 504 |
// Print button |
| 505 |
forEachNode( group.querySelectorAll( 'a.share-print' ), function ( printButton ) { |
| 506 |
printButton.addEventListener( 'click', function ( event ) { |
| 507 |
event.preventDefault(); |
| 508 |
event.stopPropagation(); |
| 509 |
|
| 510 |
var ref = printButton.getAttribute( 'href' ) || ''; |
| 511 |
var doPrint = function () { |
| 512 |
if ( ref.indexOf( '#print' ) === -1 ) { |
| 513 |
var uid = new Date().getTime(); |
| 514 |
printUrl( uid, ref ); |
| 515 |
} else { |
| 516 |
window.print(); |
| 517 |
} |
| 518 |
}; |
| 519 |
|
| 520 |
// Is the button in a dropdown? |
| 521 |
var pane = closest( printButton, PANE_SELECTOR ); |
| 522 |
if ( pane ) { |
| 523 |
var moreButton = MoreButton.getButtonInstanceFromPane( pane ); |
| 524 |
if ( moreButton ) { |
| 525 |
moreButton.close(); |
| 526 |
doPrint(); |
| 527 |
} |
| 528 |
} else { |
| 529 |
doPrint(); |
| 530 |
} |
| 531 |
} ); |
| 532 |
} ); |
| 533 |
|
| 534 |
// Press This button |
| 535 |
forEachNode( group.querySelectorAll( 'a.share-press-this' ), function ( pressThisButton ) { |
| 536 |
pressThisButton.addEventListener( 'click', function ( event ) { |
| 537 |
event.preventDefault(); |
| 538 |
event.stopPropagation(); |
| 539 |
|
| 540 |
var s = ''; |
| 541 |
|
| 542 |
if ( window.getSelection ) { |
| 543 |
s = window.getSelection(); |
| 544 |
} else if ( document.getSelection ) { |
| 545 |
s = document.getSelection(); |
| 546 |
} else if ( document.selection ) { |
| 547 |
s = document.selection.createRange().text; |
| 548 |
} |
| 549 |
|
| 550 |
if ( s ) { |
| 551 |
var href = pressThisButton.getAttribute( 'href' ); |
| 552 |
pressThisButton.setAttribute( 'href', href + '&sel=' + encodeURI( s ) ); |
| 553 |
} |
| 554 |
|
| 555 |
if ( |
| 556 |
! window.open( |
| 557 |
pressThisButton.getAttribute( 'href' ), |
| 558 |
't', |
| 559 |
'toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570' |
| 560 |
) |
| 561 |
) { |
| 562 |
document.location.href = pressThisButton.getAttribute( 'href' ); |
| 563 |
} |
| 564 |
} ); |
| 565 |
} ); |
| 566 |
|
| 567 |
// Email button |
| 568 |
forEachNode( group.querySelectorAll( 'a.share-email' ), function ( emailButton ) { |
| 569 |
setClickCountForButton( emailButton, 0 ); |
| 570 |
|
| 571 |
var emailShareNonce = emailButton.getAttribute( 'data-email-share-nonce' ); |
| 572 |
var emailShareTrackerUrl = emailButton.getAttribute( 'data-email-share-track-url' ); |
| 573 |
|
| 574 |
if ( |
| 575 |
emailShareNonce && |
| 576 |
emailShareTrackerUrl && |
| 577 |
isUrlForCurrentHost( emailShareTrackerUrl ) |
| 578 |
) { |
| 579 |
emailButton.addEventListener( 'click', function () { |
| 580 |
trackButtonClick( emailButton ); |
| 581 |
|
| 582 |
if ( getClickCountForButton( emailButton ) > 2 ) { |
| 583 |
showEmailShareError( emailButton, group ); |
| 584 |
} |
| 585 |
|
| 586 |
recordEmailShareClick( emailShareTrackerUrl, emailShareNonce ); |
| 587 |
} ); |
| 588 |
} |
| 589 |
} ); |
| 590 |
} ); |
| 591 |
|
| 592 |
forEachNode( |
| 593 |
document.querySelectorAll( 'li.share-email, li.share-custom a.sharing-anchor' ), |
| 594 |
function ( node ) { |
| 595 |
node.classList.add( 'share-service-visible' ); |
| 596 |
} |
| 597 |
); |
| 598 |
} |
| 599 |
} )(); |
| 600 |
|
