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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/. */
/**
* Provide unit converter.
*/
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
import { UnitConverterSimple } from "resource:///modules/UnitConverterSimple.sys.mjs";
import { UnitConverterTemperature } from "resource:///modules/UnitConverterTemperature.sys.mjs";
import { UnitConverterTimezone } from "resource:///modules/UnitConverterTimezone.sys.mjs";
import {
UrlbarProvider,
UrlbarUtils,
} from "resource:///modules/UrlbarUtils.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
UrlbarPrefs: "resource:///modules/UrlbarPrefs.sys.mjs",
UrlbarResult: "resource:///modules/UrlbarResult.sys.mjs",
UrlbarView: "resource:///modules/UrlbarView.sys.mjs",
});
XPCOMUtils.defineLazyServiceGetter(
lazy,
"ClipboardHelper",
"@mozilla.org/widget/clipboardhelper;1",
"nsIClipboardHelper"
);
const CONVERTERS = [
new UnitConverterSimple(),
new UnitConverterTemperature(),
new UnitConverterTimezone(),
];
const DYNAMIC_RESULT_TYPE = "unitConversion";
const VIEW_TEMPLATE = {
attributes: {
selectable: true,
},
children: [
{
name: "content",
tag: "span",
classList: ["urlbarView-no-wrap"],
children: [
{
name: "icon",
tag: "img",
classList: ["urlbarView-favicon"],
attributes: {
src: "chrome://global/skin/icons/edit-copy.svg",
},
},
{
name: "output",
tag: "strong",
},
{
name: "action",
tag: "span",
},
],
},
],
};
/**
* Provide a feature that converts given units.
*/
class ProviderUnitConversion extends UrlbarProvider {
constructor() {
super();
lazy.UrlbarResult.addDynamicResultType(DYNAMIC_RESULT_TYPE);
lazy.UrlbarView.addDynamicViewTemplate(DYNAMIC_RESULT_TYPE, VIEW_TEMPLATE);
}
/**
* Returns the name of this provider.
*
* @returns {string} the name of this provider.
*/
get name() {
return "UnitConversion";
}
/**
* Returns the type of this provider.
*
* @returns {integer} one of the types from UrlbarUtils.PROVIDER_TYPE.*
*/
get type() {
return UrlbarUtils.PROVIDER_TYPE.PROFILE;
}
/**
* Whether the provider should be invoked for the given context. If this
* method returns false, the providers manager won't start a query with this
* provider, to save on resources.
*
* @param {UrlbarQueryContext} queryContext
* The query context object.
* @returns {boolean}
* Whether this provider should be invoked for the search.
*/
isActive({ searchString }) {
if (!lazy.UrlbarPrefs.get("unitConversion.enabled")) {
return false;
}
for (const converter of CONVERTERS) {
const result = converter.convert(searchString);
if (result) {
this._activeResult = result;
return true;
}
}
this._activeResult = null;
return false;
}
/**
* This is called only for dynamic result types, when the urlbar view updates
* the view of one of the results of the provider. It should return an object
* describing the view update.
*
* @param {UrlbarResult} result The result whose view will be updated.
* @returns {object} An object describing the view update.
*/
getViewUpdate(result) {
return {
output: {
textContent: result.payload.output,
},
action: {
l10n: { id: "urlbar-result-action-copy-to-clipboard" },
},
};
}
/**
* This method is called by the providers manager when a query starts to fetch
* each extension provider's results. It fires the resultsRequested event.
*
* @param {UrlbarQueryContext} queryContext
* The query context object.
* @param {Function} addCallback
* The callback invoked by this method to add each result.
*/
startQuery(queryContext, addCallback) {
const result = new lazy.UrlbarResult(
UrlbarUtils.RESULT_TYPE.DYNAMIC,
UrlbarUtils.RESULT_SOURCE.OTHER_LOCAL,
{
dynamicType: DYNAMIC_RESULT_TYPE,
output: this._activeResult,
input: queryContext.searchString,
}
);
result.suggestedIndex = lazy.UrlbarPrefs.get(
"unitConversion.suggestedIndex"
);
addCallback(this, result);
}
pickResult(result, element) {
const { textContent } = element.querySelector(
".urlbarView-dynamic-unitConversion-output"
);
lazy.ClipboardHelper.copyString(textContent);
}
}
export const UrlbarProviderUnitConversion = new ProviderUnitConversion();
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