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Move Add-on SDK source to toolkit/jetpack

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NTD 2018-02-09 06:46:43 -05:00 • committed by Roy Tam
commit 23b67db438
993 changed files with 484 additions and 100663 deletions
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133
addon-sdk/source/lib/sdk/content/l10n-html.js
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@ -1,133 +0,0 @@
/* 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";
module.metadata = {
"stability": "unstable"
};
const { Ci, Cc, Cu } = require("chrome");
const core = require("../l10n/core");
const { loadSheet, removeSheet } = require("../stylesheet/utils");
const { process, frames } = require("../remote/child");
var observerService = Cc["@mozilla.org/observer-service;1"]
.getService(Ci.nsIObserverService);
const { ShimWaiver } = Cu.import("resource://gre/modules/ShimWaiver.jsm");
const addObserver = ShimWaiver.getProperty(observerService, "addObserver");
const removeObserver = ShimWaiver.getProperty(observerService, "removeObserver");
const assetsURI = require('../self').data.url();
const hideSheetUri = "data:text/css,:root {visibility: hidden !important;}";
function translateElementAttributes(element) {
// Translateable attributes
const attrList = ['title', 'accesskey', 'alt', 'label', 'placeholder'];
const ariaAttrMap = {
'ariaLabel': 'aria-label',
'ariaValueText': 'aria-valuetext',
'ariaMozHint': 'aria-moz-hint'
};
const attrSeparator = '.';
// Try to translate each of the attributes
for (let attribute of attrList) {
const data = core.get(element.dataset.l10nId + attrSeparator + attribute);
if (data)
element.setAttribute(attribute, data);
}
// Look for the aria attribute translations that match fxOS's aliases
for (let attrAlias in ariaAttrMap) {
const data = core.get(element.dataset.l10nId + attrSeparator + attrAlias);
if (data)
element.setAttribute(ariaAttrMap[attrAlias], data);
}
}
// Taken from Gaia:
// https://github.com/andreasgal/gaia/blob/04fde2640a7f40314643016a5a6c98bf3755f5fd/webapi.js#L1470
function translateElement(element) {
element = element || document;
// check all translatable children (= w/ a `data-l10n-id' attribute)
var children = element.querySelectorAll('*[data-l10n-id]');
var elementCount = children.length;
for (var i = 0; i < elementCount; i++) {
var child = children[i];
// translate the child
var key = child.dataset.l10nId;
var data = core.get(key);
if (data)
child.textContent = data;
translateElementAttributes(child);
}
}
exports.translateElement = translateElement;
function onDocumentReady2Translate(event) {
let document = event.target;
document.removeEventListener("DOMContentLoaded", onDocumentReady2Translate,
false);
translateElement(document);
try {
// Finally display document when we finished replacing all text content
if (document.defaultView)
removeSheet(document.defaultView, hideSheetUri, 'user');
}
catch(e) {
console.exception(e);
}
}
function onContentWindow(document) {
// Accept only HTML documents
if (!(document instanceof Ci.nsIDOMHTMLDocument))
return;
// Bug 769483: data:URI documents instanciated with nsIDOMParser
// have a null `location` attribute at this time
if (!document.location)
return;
// Accept only document from this addon
if (document.location.href.indexOf(assetsURI) !== 0)
return;
try {
// First hide content of the document in order to have content blinking
// between untranslated and translated states
loadSheet(document.defaultView, hideSheetUri, 'user');
}
catch(e) {
console.exception(e);
}
// Wait for DOM tree to be built before applying localization
document.addEventListener("DOMContentLoaded", onDocumentReady2Translate,
false);
}
// Listen to creation of content documents in order to translate them as soon
// as possible in their loading process
const ON_CONTENT = "document-element-inserted";
let enabled = false;
function enable() {
if (enabled)
return;
addObserver(onContentWindow, ON_CONTENT, false);
enabled = true;
}
process.port.on("sdk/l10n/html/enable", enable);
function disable() {
if (!enabled)
return;
removeObserver(onContentWindow, ON_CONTENT);
enabled = false;
}
process.port.on("sdk/l10n/html/disable", disable);