Add firefox OS support (unverified)

Hard-coded list right now; also having some issues verifying the
results.

plugin.xml

@@ -43,5 +43,11 @@
         </config-file>
         <source-file src="src/android/Fonts.java" target-dir="src/org/adaptit/cordova/Fonts" />      
     </platform>    
+    <!-- firefoxos -->
+    <platform name="firefoxos">
+        <js-module src="src/firefoxos/FontsProxy.js" name="FontsProxy">
+            <runs />
+        </js-module>
+    </platform>
     <!-- wp7 and Firefox OS not currently supported -->
 </plugin>

src/firefoxos/FontsProxy.js

@@ -0,0 +1,108 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+*/
+
+// font list (hard-coded) from https://github.com/mozilla-b2g/moztt/blob/master/fonts.mk
+var fonts = [
+    "AndroidClock Regular",
+    "AndroidClock-Large Regular",
+    "Clockopia",
+    "Droid Naskh Shift Alt",
+    "Roboto Bold",
+    "Roboto Bold Italic",
+    "Roboto Italic",
+    "Roboto Light",
+    "Roboto Light Italic",
+    "Roboto Regular",
+    "Roboto Thin",
+    "Roboto Thin Italic",
+    "Roboto Condensed Bold",
+    "Roboto Condensed Bold Italic",
+    "Roboto Condensed Italic",
+    "Roboto Condensed Regular",
+
+    "Droid Sans Mono",
+    "Droid Sans Thai",
+    "Droid Sans Hebrew",
+    "Droid Sans Hebrew Bold",
+    "Droid Sans Armenian",
+    "Droid Sans Ethiopic",
+    "Droid Sans Ethiopic Bold",
+    "Droid Sans Georgian",
+
+    "Droid Serif Regular",
+    "Droid Serif Bold",
+    "Droid Serif Italic",
+    "Droid Serif Bold Italic",
+
+    "MotoyaLMaru W3 Mono",
+
+    "Fira Sans Light",
+    "Fira Sans Regular",
+    "Fira Sans Medium",
+    "Fira Sans Bold",
+    "Fira Sans Light Italic",
+    "Fira Sans Regular Italic",
+    "Fira Sans Medium Italic",
+    "Fira Sans Bold Italic",
+    "Fira Mono Regular",
+    "Fira Mono Medium",
+    "Fira Mono Bold",
+
+    "Charis SIL Regular",
+    "Charis SIL Bold",
+    "Charis SIL Italic",
+    "Charis SIL Bold Italic",
+
+    "Padauk",
+    "Padauk Bold",
+    "Lohit Gujarati",
+    "Lohit Kannada",
+    "Lohit Oriya",
+    "Lohit Punjabi",
+    "Lohit Telugu",
+    "Noto Sans Bengali",
+    "Noto Sans Bengali Bold",
+    "Noto Sans Devangari",
+    "Noto Sans Devangari Bold",
+    "Noto Sans Khmer",
+    "Noto Sans Khmer Bold",
+    "Noto Sans Tamil",
+    "Noto Sans Tamil Bold"
+];
+
+// BUGBUG? Not sure what to do with these fonts
+//    external/moztt/AndroidFonts/MTLmr3m$(TTF_EXT):system/fonts/MTLmr3m$(TTF_EXT) \
+//    external/moztt/AndroidFonts/MTLc3m$(TTF_EXT):system/fonts/MTLc3m$(TTF_EXT) \
+//    external/moztt/Noto/NotoColorEmoji.ttf:system/fonts/NotoColorEmoji.ttf \
+//    external/moztt/DDCUchen-1.000/DDC_Uchen$(TTF_EXT):system/fonts/DDC_Uchen$(TTF_EXT) \
+//    external/moztt/Meera-06/Meera$(TTF_EXT):system/fonts/Meera$(TTF_EXT) \
+
+function getFontList(successCB, errorCB) {
+    'use strict';
+
+    successCB({value: fonts});
+}
+
+var Fonts = {
+    getFontList: getFontList
+};
+
+require("cordova/exec/proxy").add("Fonts", Fonts);