instagram_allow_saveimage

Allow "Save image as..." on context menu of Instagram.
换行
// ==UserScript==
// @name        instagram_allow_saveimage
// @namespace   http://catherine.v0cyc1pp.com/instagram_allow_saveimage.user.js
// @match       https://www.instagram.com/*
// @version     1.14
// @require     http://code.jquery.com/jquery-2.2.4.min.js
// @grant       none
// @run-at      document-end
// @description Allow "Save image as..." on context menu of Instagram.
// @description KNOWN ISSUE: can't save videos.
// @license     MIT
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);


//console.log("instagram_allow_saveimage start");


function main() {
	$("img").each(function() {
		$(this).removeAttr("srcset");
		$(this).removeAttr("sizes");



		var $parent = $(this).parent("div");
		//console.log("$parent="+$parent);
		if ( $parent == null || $parent == undefined ) {
			return;
		}
		var $next = $parent.next("div");
		//console.log("$next="+$next);
		if ( $next == null || $next == undefined ) {
			return;
		}

		var $next2 = $next.next("div");
		//console.log("$next2="+$next2);
		if ( $next2 != null || $next2 != undefined ) {
			var next2_classname = $next2.attr("class");
			if ( next2_classname != undefined ) {
				//console.log("next2_classname="+next2_classname);
				return;
			}
		}


		var classname = $next.attr("class");
		//console.log("classname="+classname);
		/*
		var parent_classname = $parent.attr("class");
		console.log("parent_classname="+parent_classname);
		if ( classname === "_b0xvl" ) {
			return;
		}
		*/
		
		
		var kids = $next.children();
		//console.log("len="+kids.length);
		if ( kids.length == 0 ) {
			//console.log("hide: classname="+classname);
			$next.hide();
		} else {
			//console.log("show: classname="+classname);
			$next.show();
		}
	});

}


var observer = new MutationObserver(function(mutations) {
    observer.disconnect();
    main();
    observer.observe( document, config);
});

var config = { attributes: true, childList: true, characterData: false, subtree:true };

observer.observe( document, config);