implement focus input

src/content/actions/operation.js

@@ -2,6 +2,7 @@ import operations from 'shared/operations';
 import messages from 'shared/messages';
 import * as scrolls from 'content/scrolls';
 import * as navigates from 'content/navigates';
+import * as focuses from 'content/focuses';
 import * as urls from 'content/urls';
 import * as consoleFrames from 'content/console-frames';
 import * as addonActions from './addon';
@@ -57,6 +58,8 @@ const exec = (operation, repeat, settings) => {
     return navigates.parent(window);
   case operations.NAVIGATE_ROOT:
     return navigates.root(window);
+  case operations.FOCUS_INPUT:
+    return focuses.focusInput();
   case operations.URLS_YANK:
     urls.yank(window);
     return consoleFrames.postMessage(window.document, {

src/content/focuses.js

@@ -0,0 +1,10 @@
+const focusInput = () => {
+  let inputTypes = ['email', 'number', 'search', 'tel', 'text', 'url'];
+  let inputSelector = inputTypes.map(type => `input[type=${type}]`).join(',');
+  let target = window.document.querySelector(inputSelector + ',textarea');
+  if (target) {
+    target.focus();
+  }
+};
+
+export { focusInput };

src/shared/operations.js

@@ -31,6 +31,9 @@ export default {
   NAVIGATE_PARENT: 'navigate.parent',
   NAVIGATE_ROOT: 'navigate.root',
 
+  // Focus
+  FOCUS_INPUT: 'focus.input',
+
   // Tabs
   TAB_CLOSE: 'tabs.close',
   TAB_REOPEN: 'tabs.reopen',