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/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
var l10n = l10n || {};
/**
* Localize an element by setting its innerText according to the specified tag
* and an optional set of substitutions.
* @param {Element} element The element to localize.
* @param {string} tag The localization tag.
* @param {(string|Array)=} opt_substitutions An optional set of substitution
* strings corresponding to the "placeholders" attributes in messages.json.
* @return {boolean} True if the localization was successful; false otherwise.
*/
l10n.localizeElementFromTag = function(element, tag, opt_substitutions) {
var translation = chrome.i18n.getMessage(tag, opt_substitutions);
if (translation) {
element.innerHTML = translation;
} else {
console.error('Missing translation for "' + tag + '":', element);
}
return translation != null;
};
/**
* Localize an element by setting its innerText according to its i18n-content
* attribute, and an optional set of substitutions.
* @param {Element} element The element to localize.
* @param {(string|Array)=} opt_substitutions An optional set of substitution
* strings corresponding to the "placeholders" attributes in messages.json.
* @return {boolean} True if the localization was successful; false otherwise.
*/
l10n.localizeElement = function(element, opt_substitutions) {
var tag = element.getAttribute('i18n-content');
return l10n.localizeElementFromTag(element, tag, opt_substitutions);
};
/**
* Localize all tags with the i18n-content attribute, using i18n-data-n
* attributes to specify any placeholder substitutions.
*/
l10n.localize = function() {
var elements = document.querySelectorAll('[i18n-content]');
for (var i = 0; i < elements.length; ++i) {
/** @type {Element} */ var element = elements[i];
var substitutions = null;
for (var j = 1; j < 9; ++j) {
var attr = 'i18n-value-' + j;
if (element.hasAttribute(attr)) {
if (!substitutions) {
substitutions = [];
}
substitutions.push(element.getAttribute(attr));
} else {
break;
}
}
l10n.localizeElement(element, substitutions);
}
};
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