mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
691 lines
24 KiB
JavaScript
691 lines
24 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["Social", "CreateSocialStatusWidget",
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"CreateSocialMarkWidget", "OpenGraphBuilder",
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"DynamicResizeWatcher", "sizeSocialPanelToContent"];
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const Ci = Components.interfaces;
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const Cc = Components.classes;
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const Cu = Components.utils;
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// The minimum sizes for the auto-resize panel code, minimum size necessary to
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// properly show the error page in the panel.
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const PANEL_MIN_HEIGHT = 190;
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const PANEL_MIN_WIDTH = 330;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "CustomizableUI",
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"resource:///modules/CustomizableUI.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "SocialService",
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"resource://gre/modules/SocialService.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
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"resource://gre/modules/PlacesUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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"resource://gre/modules/PrivateBrowsingUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Promise",
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"resource://gre/modules/Promise.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "unescapeService",
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"@mozilla.org/feed-unescapehtml;1",
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"nsIScriptableUnescapeHTML");
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function promiseSetAnnotation(aURI, providerList) {
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let deferred = Promise.defer();
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// Delaying to catch issues with asynchronous behavior while waiting
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// to implement asynchronous annotations in bug 699844.
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Services.tm.mainThread.dispatch(function() {
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try {
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if (providerList && providerList.length > 0) {
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PlacesUtils.annotations.setPageAnnotation(
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aURI, "social/mark", JSON.stringify(providerList), 0,
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PlacesUtils.annotations.EXPIRE_WITH_HISTORY);
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} else {
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PlacesUtils.annotations.removePageAnnotation(aURI, "social/mark");
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}
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} catch(e) {
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Cu.reportError("SocialAnnotation failed: " + e);
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}
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deferred.resolve();
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}, Ci.nsIThread.DISPATCH_NORMAL);
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return deferred.promise;
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}
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function promiseGetAnnotation(aURI) {
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let deferred = Promise.defer();
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// Delaying to catch issues with asynchronous behavior while waiting
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// to implement asynchronous annotations in bug 699844.
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Services.tm.mainThread.dispatch(function() {
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let val = null;
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try {
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val = PlacesUtils.annotations.getPageAnnotation(aURI, "social/mark");
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} catch (ex) { }
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deferred.resolve(val);
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}, Ci.nsIThread.DISPATCH_NORMAL);
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return deferred.promise;
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}
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this.Social = {
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initialized: false,
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lastEventReceived: 0,
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providers: [],
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_disabledForSafeMode: false,
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init: function Social_init() {
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this._disabledForSafeMode = Services.appinfo.inSafeMode && this.enabled;
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let deferred = Promise.defer();
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if (this.initialized) {
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deferred.resolve(true);
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return deferred.promise;
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}
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this.initialized = true;
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// if SocialService.hasEnabledProviders, retreive the providers so the
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// front-end can generate UI
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if (SocialService.hasEnabledProviders) {
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// Retrieve the current set of providers, and set the current provider.
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SocialService.getOrderedProviderList(function (providers) {
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Social._updateProviderCache(providers);
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Social._updateWorkerState(SocialService.enabled);
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deferred.resolve(false);
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});
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} else {
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deferred.resolve(false);
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}
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// Register an observer for changes to the provider list
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SocialService.registerProviderListener(function providerListener(topic, origin, providers) {
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// An engine change caused by adding/removing a provider should notify.
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// any providers we receive are enabled in the AddonsManager
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if (topic == "provider-installed" || topic == "provider-uninstalled") {
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// installed/uninstalled do not send the providers param
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Services.obs.notifyObservers(null, "social:" + topic, origin);
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return;
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}
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if (topic == "provider-enabled") {
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Social._updateProviderCache(providers);
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Social._updateWorkerState(true);
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Services.obs.notifyObservers(null, "social:" + topic, origin);
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return;
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}
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if (topic == "provider-disabled") {
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// a provider was removed from the list of providers, that does not
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// affect worker state for other providers
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Social._updateProviderCache(providers);
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Social._updateWorkerState(providers.length > 0);
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Services.obs.notifyObservers(null, "social:" + topic, origin);
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return;
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}
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if (topic == "provider-update") {
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// a provider has self-updated its manifest, we need to update our cache
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// and reload the provider.
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Social._updateProviderCache(providers);
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let provider = Social._getProviderFromOrigin(origin);
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provider.reload();
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}
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});
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return deferred.promise;
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},
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_updateWorkerState: function(enable) {
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[p.enabled = enable for (p of Social.providers) if (p.enabled != enable)];
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},
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// Called to update our cache of providers and set the current provider
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_updateProviderCache: function (providers) {
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this.providers = providers;
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Services.obs.notifyObservers(null, "social:providers-changed", null);
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},
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get enabled() {
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return !this._disabledForSafeMode && this.providers.length > 0;
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},
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toggleNotifications: function SocialNotifications_toggle() {
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let prefValue = Services.prefs.getBoolPref("social.toast-notifications.enabled");
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Services.prefs.setBoolPref("social.toast-notifications.enabled", !prefValue);
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},
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_getProviderFromOrigin: function (origin) {
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for (let p of this.providers) {
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if (p.origin == origin) {
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return p;
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}
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}
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return null;
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},
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getManifestByOrigin: function(origin) {
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return SocialService.getManifestByOrigin(origin);
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},
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installProvider: function(doc, data, installCallback, aBypassUserEnable=false) {
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SocialService.installProvider(doc, data, installCallback, aBypassUserEnable);
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},
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uninstallProvider: function(origin, aCallback) {
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SocialService.uninstallProvider(origin, aCallback);
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},
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// Activation functionality
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activateFromOrigin: function (origin, callback) {
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// It's OK if the provider has already been activated - we still get called
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// back with it.
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SocialService.enableProvider(origin, callback);
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},
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// Page Marking functionality
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isURIMarked: function(origin, aURI, aCallback) {
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promiseGetAnnotation(aURI).then(function(val) {
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if (val) {
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let providerList = JSON.parse(val);
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val = providerList.indexOf(origin) >= 0;
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}
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aCallback(!!val);
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}).then(null, Cu.reportError);
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},
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markURI: function(origin, aURI, aCallback) {
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// update or set our annotation
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promiseGetAnnotation(aURI).then(function(val) {
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let providerList = val ? JSON.parse(val) : [];
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let marked = providerList.indexOf(origin) >= 0;
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if (marked)
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return;
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providerList.push(origin);
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// we allow marking links in a page that may not have been visited yet.
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// make sure there is a history entry for the uri, then annotate it.
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let place = {
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uri: aURI,
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visits: [{
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visitDate: Date.now() + 1000,
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transitionType: Ci.nsINavHistoryService.TRANSITION_LINK
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}]
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};
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PlacesUtils.asyncHistory.updatePlaces(place, {
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handleError: function () Cu.reportError("couldn't update history for socialmark annotation"),
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handleResult: function () {},
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handleCompletion: function () {
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promiseSetAnnotation(aURI, providerList).then(function() {
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if (aCallback)
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schedule(function() { aCallback(true); } );
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}).then(null, Cu.reportError);
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}
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});
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}).then(null, Cu.reportError);
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},
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unmarkURI: function(origin, aURI, aCallback) {
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// this should not be called if this.provider or the port is null
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// set our annotation
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promiseGetAnnotation(aURI).then(function(val) {
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let providerList = val ? JSON.parse(val) : [];
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let marked = providerList.indexOf(origin) >= 0;
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if (marked) {
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// remove the annotation
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providerList.splice(providerList.indexOf(origin), 1);
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promiseSetAnnotation(aURI, providerList).then(function() {
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if (aCallback)
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schedule(function() { aCallback(false); } );
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}).then(null, Cu.reportError);
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}
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}).then(null, Cu.reportError);
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},
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setErrorListener: function(iframe, errorHandler) {
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if (iframe.socialErrorListener)
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return iframe.socialErrorListener;
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return new SocialErrorListener(iframe, errorHandler);
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}
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};
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function schedule(callback) {
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Services.tm.mainThread.dispatch(callback, Ci.nsIThread.DISPATCH_NORMAL);
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}
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function CreateSocialStatusWidget(aId, aProvider) {
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if (!aProvider.statusURL)
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return;
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let widget = CustomizableUI.getWidget(aId);
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// The widget is only null if we've created then destroyed the widget.
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// Once we've actually called createWidget the provider will be set to
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// PROVIDER_API.
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if (widget && widget.provider == CustomizableUI.PROVIDER_API)
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return;
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CustomizableUI.createWidget({
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id: aId,
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type: 'custom',
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removable: true,
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defaultArea: CustomizableUI.AREA_NAVBAR,
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onBuild: function(aDocument) {
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let node = aDocument.createElement('toolbarbutton');
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node.id = this.id;
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node.setAttribute('class', 'toolbarbutton-1 chromeclass-toolbar-additional social-status-button badged-button');
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node.style.listStyleImage = "url(" + (aProvider.icon32URL || aProvider.iconURL) + ")";
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node.setAttribute("origin", aProvider.origin);
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node.setAttribute("label", aProvider.name);
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node.setAttribute("tooltiptext", aProvider.name);
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node.setAttribute("oncommand", "SocialStatus.showPopup(this);");
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if (PrivateBrowsingUtils.isWindowPrivate(aDocument.defaultView))
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node.setAttribute("disabled", "true");
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return node;
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}
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});
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};
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function CreateSocialMarkWidget(aId, aProvider) {
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if (!aProvider.markURL)
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return;
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let widget = CustomizableUI.getWidget(aId);
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// The widget is only null if we've created then destroyed the widget.
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// Once we've actually called createWidget the provider will be set to
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// PROVIDER_API.
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if (widget && widget.provider == CustomizableUI.PROVIDER_API)
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return;
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CustomizableUI.createWidget({
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id: aId,
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type: 'custom',
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removable: true,
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defaultArea: CustomizableUI.AREA_NAVBAR,
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onBuild: function(aDocument) {
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let node = aDocument.createElement('toolbarbutton');
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node.id = this.id;
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node.setAttribute('class', 'toolbarbutton-1 chromeclass-toolbar-additional social-mark-button');
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node.setAttribute('type', "socialmark");
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node.style.listStyleImage = "url(" + (aProvider.unmarkedIcon || aProvider.icon32URL || aProvider.iconURL) + ")";
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node.setAttribute("origin", aProvider.origin);
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let window = aDocument.defaultView;
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let menuLabel = window.gNavigatorBundle.getFormattedString("social.markpageMenu.label", [aProvider.name]);
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node.setAttribute("label", menuLabel);
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node.setAttribute("tooltiptext", menuLabel);
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node.setAttribute("observes", "Social:PageShareOrMark");
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return node;
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}
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});
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};
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// Error handling class used to listen for network errors in the social frames
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// and replace them with a social-specific error page
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function SocialErrorListener(iframe, errorHandler) {
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this.setErrorMessage = errorHandler;
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this.iframe = iframe;
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iframe.socialErrorListener = this;
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iframe.docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress)
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.addProgressListener(this,
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Ci.nsIWebProgress.NOTIFY_STATE_REQUEST |
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Ci.nsIWebProgress.NOTIFY_LOCATION);
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}
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SocialErrorListener.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
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Ci.nsISupportsWeakReference,
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Ci.nsISupports]),
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remove: function() {
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this.iframe.docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress)
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.removeProgressListener(this);
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delete this.iframe.socialErrorListener;
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},
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onStateChange: function SPL_onStateChange(aWebProgress, aRequest, aState, aStatus) {
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let failure = false;
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if ((aState & Ci.nsIWebProgressListener.STATE_STOP)) {
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if (aRequest instanceof Ci.nsIHttpChannel) {
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try {
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// Change the frame to an error page on 4xx (client errors)
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// and 5xx (server errors). responseStatus throws if it is not set.
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failure = aRequest.responseStatus >= 400 &&
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aRequest.responseStatus < 600;
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} catch (e) {
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failure = aStatus == Components.results.NS_ERROR_CONNECTION_REFUSED;
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}
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}
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}
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// Calling cancel() will raise some OnStateChange notifications by itself,
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// so avoid doing that more than once
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if (failure && aStatus != Components.results.NS_BINDING_ABORTED) {
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aRequest.cancel(Components.results.NS_BINDING_ABORTED);
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let origin = this.iframe.getAttribute("origin");
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if (origin) {
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let provider = Social._getProviderFromOrigin(origin);
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provider.errorState = "content-error";
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}
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this.setErrorMessage(aWebProgress.QueryInterface(Ci.nsIDocShell)
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.chromeEventHandler);
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}
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},
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onLocationChange: function SPL_onLocationChange(aWebProgress, aRequest, aLocation, aFlags) {
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if (aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) {
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aRequest.cancel(Components.results.NS_BINDING_ABORTED);
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let origin = this.iframe.getAttribute("origin");
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if (origin) {
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let provider = Social._getProviderFromOrigin(origin);
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if (!provider.errorState)
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provider.errorState = "content-error";
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}
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schedule(function() {
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this.setErrorMessage(aWebProgress.QueryInterface(Ci.nsIDocShell)
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.chromeEventHandler);
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}.bind(this));
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}
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},
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onProgressChange: function SPL_onProgressChange() {},
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onStatusChange: function SPL_onStatusChange() {},
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onSecurityChange: function SPL_onSecurityChange() {},
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};
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function sizeSocialPanelToContent(panel, iframe) {
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let doc = iframe.contentDocument;
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if (!doc || !doc.body) {
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return;
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}
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// We need an element to use for sizing our panel. See if the body defines
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// an id for that element, otherwise use the body itself.
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let body = doc.body;
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let bodyId = body.getAttribute("contentid");
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if (bodyId) {
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body = doc.getElementById(bodyId) || doc.body;
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}
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// offsetHeight/Width don't include margins, so account for that.
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let cs = doc.defaultView.getComputedStyle(body);
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let width = PANEL_MIN_WIDTH;
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let height = PANEL_MIN_HEIGHT;
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// if the panel is preloaded prior to being shown, cs will be null. in that
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// case use the minimum size for the panel until it is shown.
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if (cs) {
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let computedHeight = parseInt(cs.marginTop) + body.offsetHeight + parseInt(cs.marginBottom);
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height = Math.max(computedHeight, height);
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let computedWidth = parseInt(cs.marginLeft) + body.offsetWidth + parseInt(cs.marginRight);
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width = Math.max(computedWidth, width);
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}
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// only add the extra space if the iframe has been loaded
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if (iframe.boxObject.width && iframe.boxObject.height) {
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// add extra space the panel needs if any
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width += panel.boxObject.width - iframe.boxObject.width;
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height += panel.boxObject.height - iframe.boxObject.height;
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}
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// when size is computed, we want to be sure changes are "significant" since
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// some sites will resize when the iframe is resized by a small amount, making
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// the panel slowly shrink to some minimum.
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if (Math.abs(panel.boxObject.width - width) > 2 || Math.abs(panel.boxObject.height - height) > 2) {
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panel.sizeTo(width, height);
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}
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}
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function DynamicResizeWatcher() {
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this._mutationObserver = null;
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}
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DynamicResizeWatcher.prototype = {
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start: function DynamicResizeWatcher_start(panel, iframe) {
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this.stop(); // just in case...
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let doc = iframe.contentDocument;
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this._mutationObserver = new iframe.contentWindow.MutationObserver(function(mutations) {
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sizeSocialPanelToContent(panel, iframe);
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});
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// Observe anything that causes the size to change.
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let config = {attributes: true, characterData: true, childList: true, subtree: true};
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this._mutationObserver.observe(doc, config);
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// and since this may be setup after the load event has fired we do an
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// initial resize now.
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sizeSocialPanelToContent(panel, iframe);
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},
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stop: function DynamicResizeWatcher_stop() {
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if (this._mutationObserver) {
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try {
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this._mutationObserver.disconnect();
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} catch (ex) {
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// may get "TypeError: can't access dead object" which seems strange,
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// but doesn't seem to indicate a real problem, so ignore it...
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}
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this._mutationObserver = null;
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}
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}
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}
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this.OpenGraphBuilder = {
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generateEndpointURL: function(URLTemplate, pageData) {
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// support for existing oexchange style endpoints by supporting their
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// querystring arguments. parse the query string template and do
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// replacements where necessary the query names may be different than ours,
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// so we could see u=%{url} or url=%{url}
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let [endpointURL, queryString] = URLTemplate.split("?");
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let query = {};
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if (queryString) {
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queryString.split('&').forEach(function (val) {
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let [name, value] = val.split('=');
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let p = /%\{(.+)\}/.exec(value);
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if (!p) {
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// preserve non-template query vars
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query[name] = value;
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} else if (pageData[p[1]]) {
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if (p[1] == "previews")
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query[name] = pageData[p[1]][0];
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else
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|
query[name] = pageData[p[1]];
|
|
} else if (p[1] == "body") {
|
|
// build a body for emailers
|
|
let body = "";
|
|
if (pageData.title)
|
|
body += pageData.title + "\n\n";
|
|
if (pageData.description)
|
|
body += pageData.description + "\n\n";
|
|
if (pageData.text)
|
|
body += pageData.text + "\n\n";
|
|
body += pageData.url;
|
|
query["body"] = body;
|
|
}
|
|
});
|
|
}
|
|
var str = [];
|
|
for (let p in query)
|
|
str.push(p + "=" + encodeURIComponent(query[p]));
|
|
if (str.length)
|
|
endpointURL = endpointURL + "?" + str.join("&");
|
|
return endpointURL;
|
|
},
|
|
|
|
getData: function(browser, target) {
|
|
let res = {
|
|
url: this._validateURL(browser, browser.currentURI.spec),
|
|
title: browser.contentDocument.title,
|
|
previews: []
|
|
};
|
|
this._getMetaData(browser, res);
|
|
this._getLinkData(browser, res);
|
|
this._getPageData(browser, res);
|
|
res.microdata = this.getMicrodata(browser, target);
|
|
return res;
|
|
},
|
|
|
|
getMicrodata: function (browser, target) {
|
|
return getMicrodata(browser.contentDocument, target);
|
|
},
|
|
|
|
_getMetaData: function(browser, o) {
|
|
// query for standardized meta data
|
|
let els = browser.contentDocument
|
|
.querySelectorAll("head > meta[property], head > meta[name]");
|
|
if (els.length < 1)
|
|
return;
|
|
let url;
|
|
for (let el of els) {
|
|
let value = el.getAttribute("content")
|
|
if (!value)
|
|
continue;
|
|
value = unescapeService.unescape(value.trim());
|
|
let key = el.getAttribute("property") || el.getAttribute("name");
|
|
if (!key)
|
|
continue;
|
|
// There are a wide array of possible meta tags, expressing articles,
|
|
// products, etc. so all meta tags are passed through but we touch up the
|
|
// most common attributes.
|
|
o[key] = value;
|
|
switch (key) {
|
|
case "title":
|
|
case "og:title":
|
|
o.title = value;
|
|
break;
|
|
case "description":
|
|
case "og:description":
|
|
o.description = value;
|
|
break;
|
|
case "og:site_name":
|
|
o.siteName = value;
|
|
break;
|
|
case "medium":
|
|
case "og:type":
|
|
o.medium = value;
|
|
break;
|
|
case "og:video":
|
|
url = this._validateURL(browser, value);
|
|
if (url)
|
|
o.source = url;
|
|
break;
|
|
case "og:url":
|
|
url = this._validateURL(browser, value);
|
|
if (url)
|
|
o.url = url;
|
|
break;
|
|
case "og:image":
|
|
url = this._validateURL(browser, value);
|
|
if (url)
|
|
o.previews.push(url);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
_getLinkData: function(browser, o) {
|
|
let els = browser.contentDocument
|
|
.querySelectorAll("head > link[rel], head > link[id]");
|
|
for (let el of els) {
|
|
let url = el.getAttribute("href");
|
|
if (!url)
|
|
continue;
|
|
url = this._validateURL(browser, unescapeService.unescape(url.trim()));
|
|
switch (el.getAttribute("rel") || el.getAttribute("id")) {
|
|
case "shorturl":
|
|
case "shortlink":
|
|
o.shortUrl = url;
|
|
break;
|
|
case "canonicalurl":
|
|
case "canonical":
|
|
o.url = url;
|
|
break;
|
|
case "image_src":
|
|
o.previews.push(url);
|
|
break;
|
|
case "alternate":
|
|
// expressly for oembed support but we're liberal here and will let
|
|
// other alternate links through. oembed defines an href, supplied by
|
|
// the site, where you can fetch additional meta data about a page.
|
|
// We'll let the client fetch the oembed data themselves, but they
|
|
// need the data from this link.
|
|
if (!o.alternate)
|
|
o.alternate = [];
|
|
o.alternate.push({
|
|
"type": el.getAttribute("type"),
|
|
"href": el.getAttribute("href"),
|
|
"title": el.getAttribute("title")
|
|
})
|
|
}
|
|
}
|
|
},
|
|
|
|
// scrape through the page for data we want
|
|
_getPageData: function(browser, o) {
|
|
if (o.previews.length < 1)
|
|
o.previews = this._getImageUrls(browser);
|
|
},
|
|
|
|
_validateURL: function(browser, url) {
|
|
let uri = Services.io.newURI(browser.currentURI.resolve(url), null, null);
|
|
if (["http", "https", "ftp", "ftps"].indexOf(uri.scheme) < 0)
|
|
return null;
|
|
uri.userPass = "";
|
|
return uri.spec;
|
|
},
|
|
|
|
_getImageUrls: function(browser) {
|
|
let l = [];
|
|
let els = browser.contentDocument.querySelectorAll("img");
|
|
for (let el of els) {
|
|
let content = el.getAttribute("src");
|
|
if (content) {
|
|
l.push(this._validateURL(browser, unescapeService.unescape(content)));
|
|
// we don't want a billion images
|
|
if (l.length > 5)
|
|
break;
|
|
}
|
|
}
|
|
return l;
|
|
}
|
|
};
|
|
|
|
// getMicrodata (and getObject) based on wg algorythm to convert microdata to json
|
|
// http://www.whatwg.org/specs/web-apps/current-work/multipage/microdata-2.html#json
|
|
function getMicrodata(document, target) {
|
|
|
|
function _getObject(item) {
|
|
let result = {};
|
|
if (item.itemType.length)
|
|
result.types = [i for (i of item.itemType)];
|
|
if (item.itemId)
|
|
result.itemId = item.itemid;
|
|
if (item.properties.length)
|
|
result.properties = {};
|
|
for (let elem of item.properties) {
|
|
let value;
|
|
if (elem.itemScope)
|
|
value = _getObject(elem);
|
|
else if (elem.itemValue)
|
|
value = elem.itemValue;
|
|
// handle mis-formatted microdata
|
|
else if (elem.hasAttribute("content"))
|
|
value = elem.getAttribute("content");
|
|
|
|
for (let prop of elem.itemProp) {
|
|
if (!result.properties[prop])
|
|
result.properties[prop] = [];
|
|
result.properties[prop].push(value);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
let result = { items: [] };
|
|
let elms = target ? [target] : document.getItems();
|
|
for (let el of elms) {
|
|
if (el.itemScope)
|
|
result.items.push(_getObject(el));
|
|
}
|
|
return result;
|
|
}
|