init
This commit is contained in:
emmymayo
@@ -0,0 +1,614 @@
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/* global WPCOM_sharing_counts */
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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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( function () {
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var currentScript = document.currentScript;
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||||
|
||||
// -------------------------- UTILITY FUNCTIONS -------------------------- //
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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' );
|
||||
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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|
||||
// 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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||||
|
||||
// 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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var current = el;
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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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return null;
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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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// 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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// 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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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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function isNodeHidden( node ) {
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return ! node || node.style.display === 'none';
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}
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// ------------------------------- CLASSES ------------------------------- //
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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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// 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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MoreButton.instances.push( this );
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this.pane.setAttribute( PANE_DATA_ATTR, MoreButton.instances.length - 1 );
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this.attachHandlers();
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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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// 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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// 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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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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return new MoreButton( buttonEl );
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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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// 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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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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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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function getStyleValue( el, prop ) {
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return parseInt( getComputedStyle( el ).getPropertyValue( prop ) || 0 );
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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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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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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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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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this.pane.style.left = positionLeft + 'px';
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this.pane.style.top = positionTop + this.button.offsetHeight + 3 + 'px';
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showNode( this.pane );
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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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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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MoreButton.prototype.nonHoverOpen = function () {
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clearTimeout( this.openTimer );
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clearTimeout( this.closeTimer );
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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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};
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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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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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this.openedBy = 'click';
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this.nonHoverOpen();
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}.bind( this );
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this.buttonKeydown = function ( event ) {
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if ( event.keyCode === 13 || event.keyCode === 32 ) {
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event.preventDefault();
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event.stopPropagation();
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this.openedBy = 'keydown';
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this.nonHoverOpen();
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}
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}.bind( this );
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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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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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this.paneEnter = function () {
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clearTimeout( this.closeTimer );
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}.bind( this );
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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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this.documentClick = function () {
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this.close();
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}.bind( this );
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this.button.addEventListener( 'click', this.buttonClick );
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this.button.addEventListener( 'keydown', this.buttonKeydown );
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document.addEventListener( 'click', this.documentClick );
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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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// ---------------------------- SHARE COUNTS ---------------------------- //
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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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if ( 'undefined' === typeof WPCOM_sharing_counts ) {
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return;
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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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if ( 'undefined' !== typeof WPCOMSharing.done_urls[ id ] ) {
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continue;
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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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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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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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}
|
||||
}
|
||||
|
||||
WPCOMSharing.done_urls[ id ] = true;
|
||||
}
|
||||
},
|
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update_pinterest_count: function ( data ) {
|
||||
if ( 'undefined' !== typeof data.count && data.count * 1 > 0 ) {
|
||||
WPCOMSharing.inject_share_count(
|
||||
'sharing-pinterest-' + WPCOM_sharing_counts[ data.url ],
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data.count
|
||||
);
|
||||
}
|
||||
},
|
||||
inject_share_count: function ( id, count ) {
|
||||
forEachNode(
|
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document.querySelectorAll( 'a[data-shared=' + id + '] > span' ),
|
||||
function ( span ) {
|
||||
var countNode = span.querySelector( '.share-count' );
|
||||
removeNode( countNode );
|
||||
var newNode = document.createElement( 'span' );
|
||||
newNode.className = 'share-count';
|
||||
newNode.textContent = WPCOMSharing.format_count( count );
|
||||
span.appendChild( newNode );
|
||||
}
|
||||
);
|
||||
},
|
||||
format_count: function ( count ) {
|
||||
if ( count < 1000 ) {
|
||||
return count;
|
||||
}
|
||||
if ( count >= 1000 && count < 10000 ) {
|
||||
return String( count ).substring( 0, 1 ) + 'K+';
|
||||
}
|
||||
return '10K+';
|
||||
},
|
||||
bump_sharing_count_stat: function ( service ) {
|
||||
new Image().src =
|
||||
document.location.protocol +
|
||||
'//pixel.wp.com/g.gif?v=wpcom-no-pv&x_sharing-count-request=' +
|
||||
service +
|
||||
'&r=' +
|
||||
Math.random();
|
||||
},
|
||||
};
|
||||
window.WPCOMSharing = WPCOMSharing;
|
||||
}
|
||||
|
||||
// ------------------------ BUTTON FUNCTIONALITY ------------------------ //
|
||||
function isUrlForCurrentHost( url ) {
|
||||
var currentDomain = window.location.protocol + '//' + window.location.hostname + '/';
|
||||
|
||||
return String( url ).indexOf( currentDomain ) === 0;
|
||||
}
|
||||
|
||||
function getEncodedFormFieldForSubmit( name, value ) {
|
||||
// Encode the key and value into a URI-compatible string.
|
||||
var encoded = encodeURIComponent( name ) + '=' + encodeURIComponent( value );
|
||||
|
||||
// In x-www-form-urlencoded, spaces should be `+`, not `%20`.
|
||||
return encoded.replace( /%20/g, '+' );
|
||||
}
|
||||
|
||||
function trackButtonClick( button ) {
|
||||
var clickCount = getClickCountForButton( button );
|
||||
|
||||
setClickCountForButton( button, clickCount + 1 );
|
||||
}
|
||||
|
||||
function setClickCountForButton( button, clickCount ) {
|
||||
button.setAttribute( 'jetpack-share-click-count', clickCount );
|
||||
}
|
||||
|
||||
function getClickCountForButton( button ) {
|
||||
var currentClickCount = button.getAttribute( 'jetpack-share-click-count' );
|
||||
if ( currentClickCount === null ) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return parseInt( currentClickCount, 10 );
|
||||
}
|
||||
|
||||
function showEmailShareError( emailShareButton, sdUlGroup ) {
|
||||
var sdContent = sdUlGroup.parentElement;
|
||||
if ( ! sdContent.classList.contains( 'sd-content' ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
forEachNode( sdContent.querySelectorAll( '.share-email-error' ), function ( shareEmailError ) {
|
||||
shareEmailError.parentElement.removeChild( shareEmailError );
|
||||
} );
|
||||
|
||||
var newShareEmailError = document.createElement( 'div' );
|
||||
newShareEmailError.className = 'share-email-error';
|
||||
|
||||
var newShareEmailErrorTitle = document.createElement( 'h6' );
|
||||
newShareEmailErrorTitle.className = 'share-email-error-title';
|
||||
newShareEmailErrorTitle.innerText = emailShareButton.getAttribute(
|
||||
'data-email-share-error-title'
|
||||
);
|
||||
newShareEmailError.appendChild( newShareEmailErrorTitle );
|
||||
|
||||
var newShareEmailErrorText = document.createElement( 'p' );
|
||||
newShareEmailErrorText.className = 'share-email-error-text';
|
||||
newShareEmailErrorText.innerText = emailShareButton.getAttribute(
|
||||
'data-email-share-error-text'
|
||||
);
|
||||
newShareEmailError.appendChild( newShareEmailErrorText );
|
||||
|
||||
sdContent.appendChild( newShareEmailError );
|
||||
}
|
||||
|
||||
function recordEmailShareClick( emailShareTrackerUrl, emailShareNonce ) {
|
||||
var request = new XMLHttpRequest();
|
||||
request.open( 'POST', emailShareTrackerUrl, true );
|
||||
request.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8' );
|
||||
request.setRequestHeader( 'x-requested-with', 'XMLHttpRequest' );
|
||||
|
||||
request.send( getEncodedFormFieldForSubmit( 'email-share-nonce', emailShareNonce ) );
|
||||
}
|
||||
|
||||
// Sharing initialization.
|
||||
// Will run immediately or on `DOMContentLoaded`, depending on current page status.
|
||||
function init() {
|
||||
WPCOMSharing_do();
|
||||
}
|
||||
if ( document.readyState !== 'loading' ) {
|
||||
init();
|
||||
} else {
|
||||
document.addEventListener( 'DOMContentLoaded', init );
|
||||
}
|
||||
|
||||
// Set up sharing again whenever a new post loads, to pick up any new buttons.
|
||||
document.body.addEventListener( 'is.post-load', WPCOMSharing_do );
|
||||
|
||||
// Set up sharing, updating counts and adding all button functionality.
|
||||
function WPCOMSharing_do() {
|
||||
if ( window.WPCOMSharing ) {
|
||||
window.WPCOMSharing.get_counts();
|
||||
}
|
||||
|
||||
forEachNode( document.querySelectorAll( '.sharedaddy a' ), function ( anchor ) {
|
||||
var href = anchor.getAttribute( 'href' );
|
||||
if ( href && href.indexOf( 'share=' ) !== -1 && href.indexOf( '&nb=1' ) === -1 ) {
|
||||
anchor.setAttribute( 'href', href + '&nb=1' );
|
||||
}
|
||||
} );
|
||||
|
||||
// Show hidden buttons
|
||||
|
||||
// Touchscreen device: use click.
|
||||
// Non-touchscreen device: use click if not already appearing due to a hover event
|
||||
|
||||
forEachNode(
|
||||
document.querySelectorAll( '.sharedaddy a.sharing-anchor' ),
|
||||
function ( buttonEl ) {
|
||||
MoreButton.instantiateOrReuse( buttonEl );
|
||||
}
|
||||
);
|
||||
|
||||
if ( document.ontouchstart !== undefined ) {
|
||||
document.body.classList.add( 'jp-sharing-input-touch' );
|
||||
}
|
||||
|
||||
// Add click functionality
|
||||
forEachNode( document.querySelectorAll( '.sharedaddy ul' ), function ( group ) {
|
||||
if ( group.getAttribute( 'data-sharing-events-added' ) === 'true' ) {
|
||||
return;
|
||||
}
|
||||
group.setAttribute( 'data-sharing-events-added', 'true' );
|
||||
|
||||
var printUrl = function ( uniqueId, urlToPrint ) {
|
||||
var iframe = document.createElement( 'iframe' );
|
||||
iframe.setAttribute(
|
||||
'style',
|
||||
'position:fixed; top:100; left:100; height:1px; width:1px; border:none;'
|
||||
);
|
||||
iframe.setAttribute( 'id', 'printFrame-' + uniqueId );
|
||||
iframe.setAttribute( 'name', iframe.getAttribute( 'id' ) );
|
||||
iframe.setAttribute( 'src', urlToPrint );
|
||||
iframe.setAttribute(
|
||||
'onload',
|
||||
'frames["printFrame-' +
|
||||
uniqueId +
|
||||
'"].focus();frames["printFrame-' +
|
||||
uniqueId +
|
||||
'"].print();'
|
||||
);
|
||||
document.body.appendChild( iframe );
|
||||
};
|
||||
|
||||
// Print button
|
||||
forEachNode( group.querySelectorAll( 'a.share-print' ), function ( printButton ) {
|
||||
printButton.addEventListener( 'click', function ( event ) {
|
||||
event.preventDefault();
|
||||
event.stopPropagation();
|
||||
|
||||
var ref = printButton.getAttribute( 'href' ) || '';
|
||||
var doPrint = function () {
|
||||
if ( ref.indexOf( '#print' ) === -1 ) {
|
||||
var uid = new Date().getTime();
|
||||
printUrl( uid, ref );
|
||||
} else {
|
||||
window.print();
|
||||
}
|
||||
};
|
||||
|
||||
// Is the button in a dropdown?
|
||||
var pane = closest( printButton, PANE_SELECTOR );
|
||||
if ( pane ) {
|
||||
var moreButton = MoreButton.getButtonInstanceFromPane( pane );
|
||||
if ( moreButton ) {
|
||||
moreButton.close();
|
||||
doPrint();
|
||||
}
|
||||
} else {
|
||||
doPrint();
|
||||
}
|
||||
} );
|
||||
} );
|
||||
|
||||
// Press This button
|
||||
forEachNode( group.querySelectorAll( 'a.share-press-this' ), function ( pressThisButton ) {
|
||||
pressThisButton.addEventListener( 'click', function ( event ) {
|
||||
event.preventDefault();
|
||||
event.stopPropagation();
|
||||
|
||||
var s = '';
|
||||
|
||||
if ( window.getSelection ) {
|
||||
s = window.getSelection();
|
||||
} else if ( document.getSelection ) {
|
||||
s = document.getSelection();
|
||||
} else if ( document.selection ) {
|
||||
s = document.selection.createRange().text;
|
||||
}
|
||||
|
||||
if ( s ) {
|
||||
var href = pressThisButton.getAttribute( 'href' );
|
||||
pressThisButton.setAttribute( 'href', href + '&sel=' + encodeURI( s ) );
|
||||
}
|
||||
|
||||
if (
|
||||
! window.open(
|
||||
pressThisButton.getAttribute( 'href' ),
|
||||
't',
|
||||
'toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570'
|
||||
)
|
||||
) {
|
||||
document.location.href = pressThisButton.getAttribute( 'href' );
|
||||
}
|
||||
} );
|
||||
} );
|
||||
|
||||
// Email button
|
||||
forEachNode( group.querySelectorAll( 'a.share-email' ), function ( emailButton ) {
|
||||
setClickCountForButton( emailButton, 0 );
|
||||
|
||||
var emailShareNonce = emailButton.getAttribute( 'data-email-share-nonce' );
|
||||
var emailShareTrackerUrl = emailButton.getAttribute( 'data-email-share-track-url' );
|
||||
|
||||
if (
|
||||
emailShareNonce &&
|
||||
emailShareTrackerUrl &&
|
||||
isUrlForCurrentHost( emailShareTrackerUrl )
|
||||
) {
|
||||
emailButton.addEventListener( 'click', function () {
|
||||
trackButtonClick( emailButton );
|
||||
|
||||
if ( getClickCountForButton( emailButton ) > 2 ) {
|
||||
showEmailShareError( emailButton, group );
|
||||
}
|
||||
|
||||
recordEmailShareClick( emailShareTrackerUrl, emailShareNonce );
|
||||
} );
|
||||
}
|
||||
} );
|
||||
} );
|
||||
|
||||
forEachNode(
|
||||
document.querySelectorAll( 'li.share-email, li.share-custom a.sharing-anchor' ),
|
||||
function ( node ) {
|
||||
node.classList.add( 'share-service-visible' );
|
||||
}
|
||||
);
|
||||
}
|
||||
} )();
|
||||
Reference in New Issue
Block a user