Wed, 31 Dec 2014 07:22:50 +0100
Correct previous dual key logic pending first delivery installment.
michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 4 | "use strict"; |
michael@0 | 5 | |
michael@0 | 6 | var FeedHandler = { |
michael@0 | 7 | PREF_CONTENTHANDLERS_BRANCH: "browser.contentHandlers.types.", |
michael@0 | 8 | TYPE_MAYBE_FEED: "application/vnd.mozilla.maybe.feed", |
michael@0 | 9 | |
michael@0 | 10 | _contentTypes: null, |
michael@0 | 11 | |
michael@0 | 12 | getContentHandlers: function fh_getContentHandlers(contentType) { |
michael@0 | 13 | if (!this._contentTypes) |
michael@0 | 14 | this.loadContentHandlers(); |
michael@0 | 15 | |
michael@0 | 16 | if (!(contentType in this._contentTypes)) |
michael@0 | 17 | return []; |
michael@0 | 18 | |
michael@0 | 19 | return this._contentTypes[contentType]; |
michael@0 | 20 | }, |
michael@0 | 21 | |
michael@0 | 22 | loadContentHandlers: function fh_loadContentHandlers() { |
michael@0 | 23 | this._contentTypes = {}; |
michael@0 | 24 | |
michael@0 | 25 | let kids = Services.prefs.getBranch(this.PREF_CONTENTHANDLERS_BRANCH).getChildList(""); |
michael@0 | 26 | |
michael@0 | 27 | // First get the numbers of the providers by getting all ###.uri prefs |
michael@0 | 28 | let nums = []; |
michael@0 | 29 | for (let i = 0; i < kids.length; i++) { |
michael@0 | 30 | let match = /^(\d+)\.uri$/.exec(kids[i]); |
michael@0 | 31 | if (!match) |
michael@0 | 32 | continue; |
michael@0 | 33 | else |
michael@0 | 34 | nums.push(match[1]); |
michael@0 | 35 | } |
michael@0 | 36 | |
michael@0 | 37 | // Sort them, to get them back in order |
michael@0 | 38 | nums.sort(function(a, b) { return a - b; }); |
michael@0 | 39 | |
michael@0 | 40 | // Now register them |
michael@0 | 41 | for (let i = 0; i < nums.length; i++) { |
michael@0 | 42 | let branch = Services.prefs.getBranch(this.PREF_CONTENTHANDLERS_BRANCH + nums[i] + "."); |
michael@0 | 43 | let vals = branch.getChildList(""); |
michael@0 | 44 | if (vals.length == 0) |
michael@0 | 45 | return; |
michael@0 | 46 | |
michael@0 | 47 | try { |
michael@0 | 48 | let type = branch.getCharPref("type"); |
michael@0 | 49 | let uri = branch.getComplexValue("uri", Ci.nsIPrefLocalizedString).data; |
michael@0 | 50 | let title = branch.getComplexValue("title", Ci.nsIPrefLocalizedString).data; |
michael@0 | 51 | |
michael@0 | 52 | if (!(type in this._contentTypes)) |
michael@0 | 53 | this._contentTypes[type] = []; |
michael@0 | 54 | this._contentTypes[type].push({ contentType: type, uri: uri, name: title }); |
michael@0 | 55 | } |
michael@0 | 56 | catch(ex) {} |
michael@0 | 57 | } |
michael@0 | 58 | }, |
michael@0 | 59 | |
michael@0 | 60 | observe: function fh_observe(aSubject, aTopic, aData) { |
michael@0 | 61 | if (aTopic === "Feeds:Subscribe") { |
michael@0 | 62 | let args = JSON.parse(aData); |
michael@0 | 63 | let tab = BrowserApp.getTabForId(args.tabId); |
michael@0 | 64 | if (!tab) |
michael@0 | 65 | return; |
michael@0 | 66 | |
michael@0 | 67 | let browser = tab.browser; |
michael@0 | 68 | let feeds = browser.feeds; |
michael@0 | 69 | if (feeds == null) |
michael@0 | 70 | return; |
michael@0 | 71 | |
michael@0 | 72 | // First, let's decide on which feed to subscribe |
michael@0 | 73 | let feedIndex = -1; |
michael@0 | 74 | if (feeds.length > 1) { |
michael@0 | 75 | let p = new Prompt({ |
michael@0 | 76 | window: browser.contentWindow, |
michael@0 | 77 | title: Strings.browser.GetStringFromName("feedHandler.chooseFeed") |
michael@0 | 78 | }).setSingleChoiceItems(feeds.map(function(feed) { |
michael@0 | 79 | return { label: feed.title || feed.href } |
michael@0 | 80 | })).show((function(data) { |
michael@0 | 81 | feedIndex = data.button; |
michael@0 | 82 | if (feedIndex == -1) |
michael@0 | 83 | return; |
michael@0 | 84 | |
michael@0 | 85 | this.loadFeed(feeds[feedIndex], browser); |
michael@0 | 86 | }).bind(this)); |
michael@0 | 87 | return; |
michael@0 | 88 | } |
michael@0 | 89 | |
michael@0 | 90 | this.loadFeed(feeds[0], browser); |
michael@0 | 91 | } |
michael@0 | 92 | }, |
michael@0 | 93 | |
michael@0 | 94 | loadFeed: function fh_loadFeed(aFeed, aBrowser) { |
michael@0 | 95 | let feedURL = aFeed.href; |
michael@0 | 96 | |
michael@0 | 97 | // Next, we decide on which service to send the feed |
michael@0 | 98 | let handlers = this.getContentHandlers(this.TYPE_MAYBE_FEED); |
michael@0 | 99 | if (handlers.length == 0) |
michael@0 | 100 | return; |
michael@0 | 101 | |
michael@0 | 102 | // JSON for Prompt |
michael@0 | 103 | let p = new Prompt({ |
michael@0 | 104 | window: aBrowser.contentWindow, |
michael@0 | 105 | title: Strings.browser.GetStringFromName("feedHandler.subscribeWith") |
michael@0 | 106 | }).setSingleChoiceItems(handlers.map(function(handler) { |
michael@0 | 107 | return { label: handler.name }; |
michael@0 | 108 | })).show(function(data) { |
michael@0 | 109 | if (data.button == -1) |
michael@0 | 110 | return; |
michael@0 | 111 | |
michael@0 | 112 | // Merge the handler URL and the feed URL |
michael@0 | 113 | let readerURL = handlers[data.button].uri; |
michael@0 | 114 | readerURL = readerURL.replace(/%s/gi, encodeURIComponent(feedURL)); |
michael@0 | 115 | |
michael@0 | 116 | // Open the resultant URL in a new tab |
michael@0 | 117 | BrowserApp.addTab(readerURL, { parentId: BrowserApp.selectedTab.id }); |
michael@0 | 118 | }); |
michael@0 | 119 | } |
michael@0 | 120 | }; |