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-rw-r--r--application/basilisk/modules/URLBarZoom.jsm51
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diff --git a/application/basilisk/modules/URLBarZoom.jsm b/application/basilisk/modules/URLBarZoom.jsm
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+++ b/application/basilisk/modules/URLBarZoom.jsm
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+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+/* 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/. */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = [ "URLBarZoom" ];
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+var URLBarZoom = {
+
+ init: function(aWindow) {
+ // Register ourselves with the service so we know when the zoom prefs change.
+ Services.obs.addObserver(updateZoomButton, "browser-fullZoom:zoomChange", false);
+ Services.obs.addObserver(updateZoomButton, "browser-fullZoom:zoomReset", false);
+ Services.obs.addObserver(updateZoomButton, "browser-fullZoom:location-change", false);
+ },
+}
+
+function updateZoomButton(aSubject, aTopic) {
+ let win = aSubject.ownerDocument.defaultView;
+ let customizableZoomControls = win.document.getElementById("zoom-controls");
+ let zoomResetButton = win.document.getElementById("urlbar-zoom-button");
+ let zoomFactor = Math.round(win.ZoomManager.zoom * 100);
+
+ // Ensure that zoom controls haven't already been added to browser in Customize Mode
+ if (customizableZoomControls &&
+ customizableZoomControls.getAttribute("cui-areatype") == "toolbar") {
+ zoomResetButton.hidden = true;
+ return;
+ }
+ if (zoomFactor != 100) {
+ // Check if zoom button is visible and update label if it is
+ if (zoomResetButton.hidden) {
+ zoomResetButton.hidden = false;
+ }
+ // Only allow pulse animation for zoom changes, not tab switching
+ if (aTopic != "browser-fullZoom:location-change") {
+ zoomResetButton.setAttribute("animate", "true");
+ } else {
+ zoomResetButton.removeAttribute("animate");
+ }
+ zoomResetButton.setAttribute("label",
+ win.gNavigatorBundle.getFormattedString("urlbar-zoom-button.label", [zoomFactor]));
+ // Hide button if zoom is at 100%
+ } else {
+ zoomResetButton.hidden = true;
+ }
+}