From 39fb5400370b818760dc7bcfe42e74b2512a840d Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 8 Oct 2017 15:04:55 +0900
Subject: separate content

---
 src/content/components/keymapper.js | 43 +++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/content/components/keymapper.js

(limited to 'src/content/components/keymapper.js')

diff --git a/src/content/components/keymapper.js b/src/content/components/keymapper.js
new file mode 100644
index 0000000..8f2cead
--- /dev/null
+++ b/src/content/components/keymapper.js
@@ -0,0 +1,43 @@
+import * as inputActions from 'content/actions/input';
+import * as operationActions from 'content/actions/operation';
+
+export default class KeymapperComponent {
+  constructor(store) {
+    this.store = store;
+  }
+
+  update() {
+  }
+
+  key(key, ctrl) {
+    let keymaps = this.keymaps();
+    if (!keymaps) {
+      return;
+    }
+    this.store.dispatch(inputActions.keyPress(key, ctrl));
+
+    let input = this.store.getState().input;
+    let matched = Object.keys(keymaps).filter((keyStr) => {
+      return keyStr.startsWith(input.keys);
+    });
+    if (matched.length === 0) {
+      this.store.dispatch(inputActions.clearKeys());
+      return false;
+    } else if (matched.length > 1 ||
+      matched.length === 1 && input.keys !== matched[0]) {
+      return true;
+    }
+    let operation = keymaps[matched];
+    this.store.dispatch(operationActions.exec(operation));
+    this.store.dispatch(inputActions.clearKeys());
+    return true;
+  }
+
+  keymaps() {
+    let settings = this.store.getState().setting.settings;
+    if (!settings || !settings.json) {
+      return null;
+    }
+    return JSON.parse(settings.json).keymaps;
+  }
+}
-- 
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