1 files changed, 46 insertions, 0 deletions
diff --git a/src/background/index.js b/src/background/index.js
new file mode 100644
index 0000000..604ea92
--- /dev/null
+++ b/src/background/index.js
@@ -0,0 +1,46 @@
+import * as actions from '../shared/actions';
+import * as tabs from './tabs';
+import KeyQueue from './key-queue';
+
+const queue = new KeyQueue();
+
+const keyDownHandle = (request) => {
+  return queue.push({
+    code: request.code,
+    shift: request.shift,
+    ctrl: request.ctrl,
+    alt: request.alt,
+    meta: request.meta
+  })
+}
+
+const doBackgroundAction = (sender, action) => {
+  switch(action[0]) {
+  case actions.TABS_PREV:
+    tabs.selectPrevTab(sender.tab.index, actions[1] || 1);
+    break;
+  case actions.TABS_NEXT:
+    tabs.selectNextTab(sender.tab.index, actions[1] || 1);
+    break;
+  }
+}
+
+browser.runtime.onMessage.addListener((request, sender, sendResponse) => {
+  let action = null;
+
+  switch (request.type) {
+  case 'event.keydown':
+    action = keyDownHandle(request);
+    break;
+  }
+
+  if (action == null) {
+    return;
+  }
+
+  if (actions.isBackgroundAction(action[0])) {
+    doBackgroundAction(sender, action);
+  } else if (actions.isContentAction(action[0])) {
+    sendResponse(action);
+  }
+});