Merge pull request #4421 from timvandermeij/metadata-font-loader-syntax

Making src/display/{metadata,font_loader}.js adhere to the style guide

src/display/font_loader.js

@@ -24,15 +24,16 @@ var FontLoader = {
   insertRule: function fontLoaderInsertRule(rule) {
     var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG');
     if (!styleElement) {
-        styleElement = document.createElement('style');
+      styleElement = document.createElement('style');
-        styleElement.id = 'PDFJS_FONT_STYLE_TAG';
+      styleElement.id = 'PDFJS_FONT_STYLE_TAG';
-        document.documentElement.getElementsByTagName('head')[0].appendChild(
+      document.documentElement.getElementsByTagName('head')[0].appendChild(
-          styleElement);
+        styleElement);
     }
 
     var styleSheet = styleElement.sheet;
     styleSheet.insertRule(rule, styleSheet.cssRules.length);
   },
+
   clear: function fontLoaderClear() {
     var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG');
     if (styleElement) {
@@ -77,15 +78,17 @@ var FontLoader = {
   },
 
   isSyncFontLoadingSupported: (function detectSyncFontLoadingSupport() {
-    if (isWorker)
+    if (isWorker) {
       return false;
+    }
 
     // User agent string sniffing is bad, but there is no reliable way to tell
     // if font is fully loaded and ready to be used with canvas.
     var userAgent = window.navigator.userAgent;
     var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent);
-    if (m && m[1] >= 14)
+    if (m && m[1] >= 14) {
       return true;
+    }
     // TODO other browsers
     return false;
   })(),
@@ -258,8 +261,9 @@ var FontLoader = {
 //
 //  for (var i = 0, ii = fonts.length; i < ii; i++) {
 //    var font = fonts[i];
-//    if (font.attached)
+//    if (font.attached) {
 //      continue;
+//    }
 //
 //    font.attached = true;
 //    font.bindDOM()
@@ -284,8 +288,9 @@ var FontFace = (function FontFaceClosure() {
   }
   FontFace.prototype = {
     bindDOM: function FontFace_bindDOM() {
-      if (!this.data)
+      if (!this.data) {
         return null;
+      }
 
       if (PDFJS.disableFontFace) {
         this.disableFontFace = true;
@@ -299,15 +304,16 @@ var FontFace = (function FontFaceClosure() {
       var url = ('url(data:' + this.mimetype + ';base64,' +
                  window.btoa(data) + ');');
       var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
-
       FontLoader.insertRule(rule);
 
       if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
-          globalScope['FontInspector'].enabled)
+          globalScope['FontInspector'].enabled) {
         globalScope['FontInspector'].fontAdded(this, url);
+      }
 
       return rule;
     },
+
     getPathGenerator: function (objs, character) {
       if (!(character in this.compiledGlyphs)) {
         var js = objs.get(this.loadedName + '_path_' + character);

src/display/metadata.js

@@ -59,20 +59,22 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
 
       if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in <xmpmeta>
         rdf = rdf.firstChild;
-        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf')
+        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
           rdf = rdf.nextSibling;
+        }
       }
 
       var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null;
-      if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes())
+      if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
         return;
+      }
 
       var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
-
       for (i = 0, length = children.length; i < length; i++) {
         desc = children[i];
-        if (desc.nodeName.toLowerCase() !== 'rdf:description')
+        if (desc.nodeName.toLowerCase() !== 'rdf:description') {
           continue;
+        }
 
         for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
           if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {