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Bug 935259: Follow-up: Split DOMLinkAdded switch statement into methods. r=liuche
This commit is contained in:
Stéphane SCHMIDELY
parent
fcf9a60c6e
commit
86b88b70a6
@ -3977,6 +3977,130 @@ Tab.prototype = {
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}
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},
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sanitizeRelString: function(linkRel) {
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// Sanitize the rel string
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let list = [];
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if (linkRel) {
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list = linkRel.toLowerCase().split(/\s+/);
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let hash = {};
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list.forEach(function(value) { hash[value] = true; });
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list = [];
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for (let rel in hash)
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list.push("[" + rel + "]");
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}
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return list;
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},
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makeFaviconMessage: function(eventTarget) {
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// We want to get the largest icon size possible for our UI.
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let maxSize = 0;
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// We use the sizes attribute if available
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// see http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon
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if (eventTarget.hasAttribute("sizes")) {
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let sizes = eventTarget.getAttribute("sizes").toLowerCase();
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if (sizes == "any") {
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// Since Java expects an integer, use -1 to represent icons with sizes="any"
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maxSize = -1;
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} else {
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let tokens = sizes.split(" ");
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tokens.forEach(function(token) {
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// TODO: check for invalid tokens
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let [w, h] = token.split("x");
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maxSize = Math.max(maxSize, Math.max(w, h));
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});
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}
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}
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return {
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type: "Link:Favicon",
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tabID: this.id,
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href: resolveGeckoURI(eventTarget.href),
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size: maxSize,
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mime: eventTarget.getAttribute("type") || ""
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};
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},
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makeFeedMessage: function(eventTarget, targetType) {
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try {
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// urlSecurityCeck will throw if things are not OK
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ContentAreaUtils.urlSecurityCheck(eventTarget.href,
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eventTarget.ownerDocument.nodePrincipal,
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Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
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if (!this.browser.feeds)
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this.browser.feeds = [];
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this.browser.feeds.push({
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href: eventTarget.href,
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title: eventTarget.title,
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type: targetType
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});
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return {
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type: "Link:Feed",
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tabID: this.id
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};
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} catch (e) {
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return null;
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}
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},
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makeOpenSearchMessage: function(eventTarget) {
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let type = eventTarget.type && eventTarget.type.toLowerCase();
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// Replace all starting or trailing spaces or spaces before "*;" globally w/ "".
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type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
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// Check that type matches opensearch.
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let isOpenSearch = (type == "application/opensearchdescription+xml");
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if (isOpenSearch && eventTarget.title && /^(?:https?|ftp):/i.test(eventTarget.href)) {
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Services.search.init(() => {
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let visibleEngines = Services.search.getVisibleEngines();
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// NOTE: Engines are currently identified by name, but this can be changed
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// when Engines are identified by URL (see bug 335102).
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if (visibleEngines.some(function(e) {
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return e.name == eventTarget.title;
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})) {
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// This engine is already present, do nothing.
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return null;
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}
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if (this.browser.engines) {
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// This engine has already been handled, do nothing.
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if (this.browser.engines.some(function(e) {
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return e.url == eventTarget.href;
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})) {
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return null;
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}
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} else {
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this.browser.engines = [];
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}
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// Get favicon.
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let iconURL = eventTarget.ownerDocument.documentURIObject.prePath + "/favicon.ico";
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let newEngine = {
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title: eventTarget.title,
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url: eventTarget.href,
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iconURL: iconURL
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};
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this.browser.engines.push(newEngine);
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// Don't send a message to display engines if we've already handled an engine.
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if (this.browser.engines.length > 1)
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return null;
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// Broadcast message that this tab contains search engines that should be visible.
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return {
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type: "Link:OpenSearch",
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tabID: this.id,
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visible: true
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};
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});
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}
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},
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handleEvent: function(aEvent) {
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switch (aEvent.type) {
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case "DOMContentLoaded": {
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@ -4066,6 +4190,7 @@ Tab.prototype = {
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case "DOMLinkAdded":
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case "DOMLinkChanged": {
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let jsonMessage = null;
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let target = aEvent.originalTarget;
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if (!target.href || target.disabled)
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return;
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@ -4074,47 +4199,10 @@ Tab.prototype = {
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if (target.ownerDocument != this.browser.contentDocument)
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return;
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// Sanitize the rel string
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let list = [];
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if (target.rel) {
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list = target.rel.toLowerCase().split(/\s+/);
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let hash = {};
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list.forEach(function(value) { hash[value] = true; });
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list = [];
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for (let rel in hash)
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list.push("[" + rel + "]");
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}
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// Sanitize rel link
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let list = this.sanitizeRelString(target.rel);
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if (list.indexOf("[icon]") != -1) {
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// We want to get the largest icon size possible for our UI.
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let maxSize = 0;
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// We use the sizes attribute if available
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// see http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon
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if (target.hasAttribute("sizes")) {
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let sizes = target.getAttribute("sizes").toLowerCase();
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if (sizes == "any") {
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// Since Java expects an integer, use -1 to represent icons with sizes="any"
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maxSize = -1;
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} else {
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let tokens = sizes.split(" ");
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tokens.forEach(function(token) {
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// TODO: check for invalid tokens
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let [w, h] = token.split("x");
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maxSize = Math.max(maxSize, Math.max(w, h));
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});
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}
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}
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let json = {
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type: "Link:Favicon",
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tabID: this.id,
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href: resolveGeckoURI(target.href),
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size: maxSize,
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mime: target.getAttribute("type") || ""
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};
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Messaging.sendRequest(json);
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jsonMessage = this.makeFaviconMessage(target);
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} else if (list.indexOf("[alternate]") != -1 && aEvent.type == "DOMLinkAdded") {
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let type = target.type.toLowerCase().replace(/^\s+|\s*(?:;.*)?$/g, "");
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let isFeed = (type == "application/rss+xml" || type == "application/atom+xml");
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@ -4122,77 +4210,14 @@ Tab.prototype = {
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if (!isFeed)
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return;
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try {
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// urlSecurityCeck will throw if things are not OK
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ContentAreaUtils.urlSecurityCheck(target.href, target.ownerDocument.nodePrincipal, Ci.nsIScriptSecurityManager.DISALLOW_INHERIT_PRINCIPAL);
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if (!this.browser.feeds)
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this.browser.feeds = [];
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this.browser.feeds.push({ href: target.href, title: target.title, type: type });
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let json = {
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type: "Link:Feed",
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tabID: this.id
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};
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Messaging.sendRequest(json);
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} catch (e) {}
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jsonMessage = this.makeFeedMessage(target, type);
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} else if (list.indexOf("[search]" != -1) && aEvent.type == "DOMLinkAdded") {
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let type = target.type && target.type.toLowerCase();
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// Replace all starting or trailing spaces or spaces before "*;" globally w/ "".
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type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
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// Check that type matches opensearch.
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let isOpenSearch = (type == "application/opensearchdescription+xml");
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if (isOpenSearch && target.title && /^(?:https?|ftp):/i.test(target.href)) {
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Services.search.init(() => {
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let visibleEngines = Services.search.getVisibleEngines();
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// NOTE: Engines are currently identified by name, but this can be changed
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// when Engines are identified by URL (see bug 335102).
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if (visibleEngines.some(function(e) {
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return e.name == target.title;
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})) {
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// This engine is already present, do nothing.
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return;
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}
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if (this.browser.engines) {
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// This engine has already been handled, do nothing.
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if (this.browser.engines.some(function(e) {
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return e.url == target.href;
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})) {
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return;
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}
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} else {
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this.browser.engines = [];
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}
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// Get favicon.
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let iconURL = target.ownerDocument.documentURIObject.prePath + "/favicon.ico";
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let newEngine = {
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title: target.title,
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url: target.href,
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iconURL: iconURL
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};
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this.browser.engines.push(newEngine);
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// Don't send a message to display engines if we've already handled an engine.
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if (this.browser.engines.length > 1)
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return;
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// Broadcast message that this tab contains search engines that should be visible.
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let newEngineMessage = {
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type: "Link:OpenSearch",
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tabID: this.id,
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visible: true
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};
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Messaging.sendRequest(newEngineMessage);
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});
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}
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jsonMessage = this.makeOpenSearchMessage(target);
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}
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if (!jsonMessage)
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return;
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Messaging.sendRequest(jsonMessage);
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break;
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}
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