4 files changed, 11 insertions, 0 deletions
diff --git a/src/background/actions/operation.js b/src/background/actions/operation.js
index 56eb168..10c366f 100644
--- a/src/background/actions/operation.js
+++ b/src/background/actions/operation.js
@@ -77,6 +77,12 @@ const exec = (operation, tab) => {
     return browser.tabs.sendMessage(tab.id, {
       type: messages.CONSOLE_HIDE,
     });
+  case operations.PAGE_SOURCE:
+    return browser.tabs.create({
+      url: 'view-source:' + tab.url,
+      index: tab.index + 1,
+      openerTabId: tab.id,
+    });
   default:
     return Promise.resolve();
   }
diff --git a/src/settings/components/form/keymaps-form.jsx b/src/settings/components/form/keymaps-form.jsx
index 0e4a223..c830d95 100644
--- a/src/settings/components/form/keymaps-form.jsx
+++ b/src/settings/components/form/keymaps-form.jsx
@@ -36,6 +36,7 @@ const KeyMapFields = [
     ['navigate.link.prev', 'Open previous link'],
     ['navigate.parent', 'Go to parent directory'],
     ['navigate.root', 'Go to root directory'],
+    ['page.source', 'Open page source'],
     ['focus.input', 'Focus input'],
   ], [
     ['find.start', 'Start find mode'],
diff --git a/src/shared/operations.js b/src/shared/operations.js
index a2f980f..e8cc8cf 100644
--- a/src/shared/operations.js
+++ b/src/shared/operations.js
@@ -37,6 +37,9 @@ export default {
   // Focus
   FOCUS_INPUT: 'focus.input',
 
+  // Page
+  PAGE_SOURCE: 'page.source',
+
   // Tabs
   TAB_CLOSE: 'tabs.close',
   TAB_CLOSE_FORCE: 'tabs.close.force',
diff --git a/src/shared/settings/default.js b/src/shared/settings/default.js
index 3b6706d..9e1c202 100644
--- a/src/shared/settings/default.js
+++ b/src/shared/settings/default.js
@@ -48,6 +48,7 @@ export default {
     "gu": { "type": "navigate.parent" },
     "gU": { "type": "navigate.root" },
     "gi": { "type": "focus.input" },
+    "gf": { "type": "page.source" },
     "y": { "type": "urls.yank" },
     "p": { "type": "urls.paste", "newTab": false },
     "P": { "type": "urls.paste", "newTab": true },