Implemented Unflow for plaintext content

js/app.js

@@ -99,6 +99,8 @@ addEventListener('DOMContentLoaded', function() {
     return bmArray[index]
   }
 
+  var activeContent={'prop': 'textContent', 'nowrap': '', 'wrap': ''} // placeholder to hold the wrapped and non-wrapped content
+
   function loadURL(url, noNavUpdate) { // wrapper to openURL that actually updates all the UI and history
     logoStatus.textContent = logoLoadingChar
     statusBar.textContent = 'Loading ' + url
@@ -108,14 +110,18 @@ addEventListener('DOMContentLoaded', function() {
       var updateHistory = !('updateAddr' in res && res.updateAddr === false), // true by default
           updateContent = !(res.content === null) // true by default
       if(updateContent) { // update the content zone
+        activeContent.nowrap = res.content
+        activeContent.wrap = res.contentWf || res.content
         contentZone.innerHTML = ''
         contentZone.textContent = ''
         contentZone.dataset.wrap = 0 // reset line wrapping
         if(res.contentType === 'text/plain') {
+          activeContent.prop = 'textContent'
           contentZone.dataset.format='plain'
-          contentZone.textContent = res.content
+          contentZone.textContent = activeContent.nowrap
         } else {
           contentZone.dataset.format='native'
+          activeContent.prop='innerHTML'
           contentZone.innerHTML = res.content
           var contentLinks = contentZone.querySelectorAll('a'), l = contentLinks.length, i
           for(i=0;i<l;i++) { // dynamically index all the links in the rendered content
@@ -203,6 +209,8 @@ addEventListener('DOMContentLoaded', function() {
         break
       case '6': // toggle line wrapping
         contentZone.dataset.wrap = 1 - parseInt(contentZone.dataset.wrap)
+        if(activeContent.wrap != activeContent.nowrap) // only update contentZone if they differ
+          contentZone[activeContent.prop] = activeContent[parseInt(contentZone.dataset.wrap) ? 'wrap' : 'nowrap']
         break
       case 'Call': // refresh
         loadURL(currentUrl, true)