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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var gNewtabUrl = {
+ /**
+ * Writes browser.newtab.url with the appropriate value.
+ * If the choice is "my home page", get and sanitize
+ * the browser home page URL to make it suitable for newtab use.
+ *
+ * Called from prefwindow ondialogaccept in preferences.xul,
+ * newtabPage oncommand in tabs.xul, browserHomePage oninput,
+ * useCurrent, useBookmark and restoreDefaultHomePage oncommand
+ * in main.xul to consider instantApply.
+ */
+ writeNewtabUrl: function(newtabUrlChoice, browserHomepageUrl) {
+ try {
+ if (newtabUrlChoice) {
+ if (Services.prefs.getBoolPref("browser.preferences.instantApply")) {
+ newtabUrlChoice = parseInt(newtabUrlChoice);
+ } else {
+ return;
+ }
+ } else {
+ if (this.newtabUrlChoiceIsSet) {
+ newtabUrlChoice = Services.prefs.getIntPref("browser.newtab.choice");
+ } else {
+ newtabUrlChoice = this.getNewtabChoice();
+ }
+ }
+ if (browserHomepageUrl || browserHomepageUrl == "") {
+ if (Services.prefs.getBoolPref("browser.preferences.instantApply")) {
+ if (browserHomepageUrl == "") {
+ browserHomepageUrl = "about:home";
+ }
+ } else {
+ return;
+ }
+ } else {
+ browserHomepageUrl = Services.prefs.getComplexValue("browser.startup.homepage",
+ Components.interfaces.nsIPrefLocalizedString).data;
+ }
+ let newtabUrlPref = Services.prefs.getCharPref("browser.newtab.url");
+ switch (newtabUrlChoice) {
+ case 1:
+ newtabUrlPref = "about:logopage";
+ break;
+ case 2:
+ newtabUrlPref = Services.prefs.getDefaultBranch("browser.")
+ .getComplexValue("startup.homepage",
+ Components.interfaces.nsIPrefLocalizedString).data;
+ break;
+ case 3:
+ // If url is a pipe-delimited set of pages, just take the first one.
+ let newtabUrlSanitizedPref=browserHomepageUrl.split("|")[0];
+ // XXX: do we need extra sanitation here, e.g. for invalid URLs?
+ Services.prefs.setCharPref("browser.newtab.myhome", newtabUrlSanitizedPref);
+ newtabUrlPref = newtabUrlSanitizedPref;
+ break;
+ case 4:
+ newtabUrlPref = "about:newtab";
+ break;
+ default:
+ // In case of any other value it's a custom URL, consider instantApply.
+ if (this.newtabPageCustom) {
+ newtabUrlPref = this.newtabPageCustom;
+ }
+ }
+ Services.prefs.setCharPref("browser.newtab.url",newtabUrlPref);
+ } catch(e) { console.error(e); }
+ },
+
+ /**
+ * Determines the value of browser.newtab.choice based
+ * on the value of browser.newtab.url
+ *
+ * @returns the value of browser.newtab.choice
+ */
+ getNewtabChoice: function() {
+ let newtabUrlPref = Services.prefs.getCharPref("browser.newtab.url");
+ let browserHomepageUrl = Services.prefs.getComplexValue("browser.startup.homepage",
+ Components.interfaces.nsIPrefLocalizedString).data;
+ let newtabUrlSanitizedPref = browserHomepageUrl.split("|")[0];
+ let defaultStartupHomepage = Services.prefs.getDefaultBranch("browser.")
+ .getComplexValue("startup.homepage",
+ Components.interfaces.nsIPrefLocalizedString).data;
+ switch (newtabUrlPref) {
+ case "about:logopage":
+ return 1;
+ case defaultStartupHomepage:
+ return 2;
+ case newtabUrlSanitizedPref:
+ return 3;
+ case "about:newtab":
+ return 4;
+ default: // Custom URL entered.
+ // We need this to consider instantApply.
+ this.newtabPageCustom = newtabUrlPref;
+ return 0;
+ }
+ }
+};