Add shortcut to view page source

app/localShortcuts.js

@@ -22,6 +22,7 @@ module.exports.register = (win) => {
     ['Ctrl+PageUp', messages.SHORTCUT_PREV_TAB],
     ['CmdOrCtrl+9', messages.SHORTCUT_SET_ACTIVE_FRAME_TO_LAST],
     ['CmdOrCtrl+G', messages.SHORTCUT_ACTIVE_FRAME_FIND_NEXT],
+    ['CmdOrCtrl+U', messages.SHORTCUT_ACTIVE_FRAME_VIEW_SOURCE],
     ['CmdOrCtrl+Shift+G', messages.SHORTCUT_ACTIVE_FRAME_FIND_PREV],
     ['CmdOrCtrl+Alt+J', messages.SHORTCUT_ACTIVE_FRAME_TOGGLE_DEV_TOOLS],
     ['CmdOrCtrl+Shift+=', messages.SHORTCUT_ACTIVE_FRAME_ZOOM_IN],

js/components/frame.js

@@ -452,7 +452,9 @@ class Frame extends ImmutableComponent {
         break
       case 'view-source':
         const sourceLocation = UrlUtil.getViewSourceUrlFromUrl(this.webview.getURL())
-        windowActions.newFrame({location: sourceLocation}, true)
+        if (sourceLocation !== null) {
+          windowActions.newFrame({location: sourceLocation}, true)
+        }
         // TODO: Make the URL bar show the view-source: prefix
         break
       case 'save':

js/contextMenus.js

@@ -941,6 +941,7 @@ function mainTemplateInit (nodeProps, frame) {
     if (!isLink && !isImage) {
       template.push({
         label: locale.translation('viewPageSource'),
+        accelerator: 'CmdOrCtrl+U',
         click: (item, focusedWindow) => {
           if (focusedWindow) {
             focusedWindow.webContents.send(messages.SHORTCUT_ACTIVE_FRAME_VIEW_SOURCE)

js/lib/urlutil.js

@@ -81,6 +81,14 @@ const UrlUtil = {
     }
   },
 
+  isImageAddress (url) {
+    return (url.match(/\.(jpeg|jpg|gif|png|svg|bmp)$/))
+  },
+
+  isHttpAddress (url) {
+    return (url.match(/^https?:\/\/(.*)/))
+  },
+
   /**
    * Checks if a string is not a URL.
    * @param {String} input The input value.
@@ -218,6 +226,9 @@ const UrlUtil = {
    * @returns {String} The view-source URL.
    */
   getViewSourceUrlFromUrl: function (input) {
+    if (this.isImageAddress(input) || !this.isHttpAddress(input)) {
+      return null
+    }
     if (this.isViewSourceUrl(input)) {
       return input
     }