Brendan Dahl
13 years ago
7 changed files with 196 additions and 27 deletions
@ -1,2 +1,4 @@
@@ -1,2 +1,4 @@
|
||||
content/ |
||||
metadata.inc |
||||
chrome.manifest.inc |
||||
locale/ |
||||
|
||||
@ -0,0 +1,3 @@
@@ -0,0 +1,3 @@
|
||||
# Additional resources for pdf.js |
||||
|
||||
# PDFJS_SUPPORTED_LOCALES |
||||
@ -0,0 +1,114 @@
@@ -0,0 +1,114 @@
|
||||
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
||||
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ |
||||
|
||||
'use strict'; |
||||
|
||||
// Small subset of the webL10n API by Fabien Cazenave for pdf.js extension.
|
||||
(function(window) { |
||||
var gLanguage = ''; |
||||
|
||||
// fetch an l10n objects
|
||||
function getL10nData(key) { |
||||
var response = FirefoxCom.request('getStrings', key); |
||||
var data = JSON.parse(response); |
||||
if (!data) |
||||
console.warn('[l10n] #' + key + ' missing for [' + gLanguage + ']'); |
||||
return data; |
||||
} |
||||
|
||||
// replace {{arguments}} with their values
|
||||
function substArguments(text, args) { |
||||
if (!args) |
||||
return text; |
||||
|
||||
return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function(all, name) { |
||||
return name in args ? args[name] : '{{' + name + '}}'; |
||||
}); |
||||
} |
||||
|
||||
// translate a string
|
||||
function translateString(key, args, fallback) { |
||||
var data = getL10nData(key); |
||||
if (!data && fallback) |
||||
data = {textContent: fallback}; |
||||
if (!data) |
||||
return '{{' + key + '}}'; |
||||
return substArguments(data.textContent, args); |
||||
} |
||||
|
||||
// translate an HTML element
|
||||
function translateElement(element) { |
||||
if (!element || !element.dataset) |
||||
return; |
||||
|
||||
// get the related l10n object
|
||||
var data = getL10nData(element.dataset.l10nId); |
||||
if (!data) |
||||
return; |
||||
|
||||
// get arguments (if any)
|
||||
// TODO: more flexible parser?
|
||||
var args; |
||||
if (element.dataset.l10nArgs) try { |
||||
args = JSON.parse(element.dataset.l10nArgs); |
||||
} catch (e) { |
||||
console.warn('[l10n] could not parse arguments for #' + key + ''); |
||||
} |
||||
|
||||
// translate element
|
||||
// TODO: security check?
|
||||
for (var k in data) |
||||
element[k] = substArguments(data[k], args); |
||||
} |
||||
|
||||
|
||||
// translate an HTML subtree
|
||||
function translateFragment(element) { |
||||
element = element || document.querySelector('html'); |
||||
|
||||
// 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++) |
||||
translateElement(children[i]); |
||||
|
||||
// translate element itself if necessary
|
||||
if (element.dataset.l10nId) |
||||
translateElement(element); |
||||
} |
||||
|
||||
window.addEventListener('DOMContentLoaded', function() { |
||||
gLanguage = FirefoxCom.request('getLocale', null); |
||||
|
||||
translateFragment(); |
||||
|
||||
// fire a 'localized' DOM event
|
||||
var evtObject = document.createEvent('Event'); |
||||
evtObject.initEvent('localized', false, false); |
||||
evtObject.language = gLanguage; |
||||
window.dispatchEvent(evtObject); |
||||
}); |
||||
|
||||
// Public API
|
||||
document.mozL10n = { |
||||
// get a localized string
|
||||
get: translateString, |
||||
|
||||
// get|set the document language and direction
|
||||
get language() { |
||||
return { |
||||
// get|set the document language (ISO-639-1)
|
||||
get code() { return gLanguage; }, |
||||
|
||||
// get the direction (ltr|rtl) of the current language
|
||||
get direction() { |
||||
// http://www.w3.org/International/questions/qa-scripts
|
||||
// Arabic, Hebrew, Farsi, Pashto, Urdu
|
||||
var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']; |
||||
return (rtlList.indexOf(gLanguage) >= 0) ? 'rtl' : 'ltr'; |
||||
} |
||||
}; |
||||
} |
||||
}; |
||||
})(this); |
||||
|
||||
Loading…
Reference in new issue