mirror of
https://github.com/classilla/tenfourfox.git
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453 lines
16 KiB
JavaScript
453 lines
16 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, "PageMetadata",
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"resource://gre/modules/PageMetadata.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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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(data, installCallback, options={}) {
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SocialService.installProvider(data, installCallback, options);
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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: () => 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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};
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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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node.setAttribute("constrain-size", "true");
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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.setAttribute("constrain-size", "true");
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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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function sizeSocialPanelToContent(panel, iframe, requestedSize) {
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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 docEl = doc.documentElement;
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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 = Math.max(PANEL_MIN_WIDTH, docEl.offsetWidth);
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let height = Math.max(PANEL_MIN_HEIGHT, docEl.offsetHeight);
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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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// if our scrollHeight is still larger than the iframe, the css calculations
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// above did not work for this site, increase the height. This can happen if
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// the site increases its height for additional UI.
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if (docEl.scrollHeight > iframe.boxObject.height)
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height = docEl.scrollHeight;
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// if a size was defined in the manifest use it as a minimum
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if (requestedSize) {
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if (requestedSize.height)
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height = Math.max(height, requestedSize.height);
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if (requestedSize.width)
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width = Math.max(width, requestedSize.width);
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}
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// add the extra space used by the panel (toolbar, borders, etc) if the iframe
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// 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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// using panel.sizeTo will ignore css transitions, set size via style
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if (Math.abs(panel.boxObject.width - width) >= 2)
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panel.style.width = width + "px";
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if (Math.abs(panel.boxObject.height - height) >= 2)
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panel.style.height = height + "px";
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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, requestedSize) {
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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((mutations) => {
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sizeSocialPanelToContent(panel, iframe, requestedSize);
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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, requestedSize);
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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]];
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} else if (p[1] == "body") {
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// build a body for emailers
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let body = "";
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if (pageData.title)
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body += pageData.title + "\n\n";
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if (pageData.description)
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body += pageData.description + "\n\n";
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if (pageData.text)
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body += pageData.text + "\n\n";
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body += pageData.url;
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query["body"] = body;
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}
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});
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// if the url template doesn't have title and no text was provided, add the title as the text.
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if (!query.text && !query.title && pageData.title) {
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query.text = pageData.title;
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}
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}
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var str = [];
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for (let p in query)
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str.push(p + "=" + encodeURIComponent(query[p]));
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if (str.length)
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endpointURL = endpointURL + "?" + str.join("&");
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return endpointURL;
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},
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};
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