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51 lines
1.9 KiB
51 lines
1.9 KiB
// -*- indent-tabs-mode: nil; js-indent-level: 2 -*- |
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/* 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 |
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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"use strict"; |
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this.EXPORTED_SYMBOLS = [ "URLBarZoom" ]; |
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Components.utils.import("resource://gre/modules/Services.jsm"); |
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var URLBarZoom = { |
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init: function(aWindow) { |
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// Register ourselves with the service so we know when the zoom prefs change. |
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Services.obs.addObserver(updateZoomButton, "browser-fullZoom:zoomChange", false); |
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Services.obs.addObserver(updateZoomButton, "browser-fullZoom:zoomReset", false); |
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Services.obs.addObserver(updateZoomButton, "browser-fullZoom:location-change", false); |
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}, |
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} |
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function updateZoomButton(aSubject, aTopic) { |
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let win = aSubject.ownerDocument.defaultView; |
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let customizableZoomControls = win.document.getElementById("zoom-controls"); |
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let zoomResetButton = win.document.getElementById("urlbar-zoom-button"); |
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let zoomFactor = Math.round(win.ZoomManager.zoom * 100); |
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// Ensure that zoom controls haven't already been added to browser in Customize Mode |
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if (customizableZoomControls && |
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customizableZoomControls.getAttribute("cui-areatype") == "toolbar") { |
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zoomResetButton.hidden = true; |
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return; |
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} |
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if (zoomFactor != 100) { |
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// Check if zoom button is visible and update label if it is |
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if (zoomResetButton.hidden) { |
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zoomResetButton.hidden = false; |
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} |
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// Only allow pulse animation for zoom changes, not tab switching |
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if (aTopic != "browser-fullZoom:location-change") { |
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zoomResetButton.setAttribute("animate", "true"); |
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} else { |
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zoomResetButton.removeAttribute("animate"); |
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} |
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zoomResetButton.setAttribute("label", |
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win.gNavigatorBundle.getFormattedString("urlbar-zoom-button.label", [zoomFactor])); |
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// Hide button if zoom is at 100% |
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} else { |
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zoomResetButton.hidden = true; |
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} |
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}
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