use iframe-ed command-line

1 files changed, 63 insertions, 0 deletions

diff --git a/src/command-line/index.js b/src/command-line/index.js
index 67aac61..f99afa0 100644
--- a/src/command-line/index.js
+++ b/src/command-line/index.js
@@ -1 +1,64 @@
 import './index.scss';
+
+const parent = window.parent;
+
+// TODO consider object-oriented
+var prevValue = "";
+
+const blurData = () => {
+  return JSON.stringify({
+    type: 'vimvixen.commandline.blur'
+  });
+};
+
+const keydownData = (input) => {
+  return JSON.stringify({
+    type: 'vimvixen.commandline.enter',
+    value: input.value
+  });
+};
+
+const keyupData = (input) => {
+  return JSON.stringify({
+    type: 'vimvixen.commandline.change',
+    value: input.value
+  });
+};
+
+const handleBlur = () => {
+  parent.postMessage(blurData(), '*');
+};
+
+const handleKeydown = (e) => {
+  switch(e.keyCode) {
+  case KeyboardEvent.DOM_VK_ESCAPE:
+    parent.postMessage(blurData(), '*');
+    break;
+  case KeyboardEvent.DOM_VK_RETURN:
+    parent.postMessage(keydownData(e.target), '*');
+    break;
+  }
+};
+
+const handleKeyup = (e) => {
+  if (e.target.value === prevValue) {
+    return;
+  }
+  parent.postMessage(keyupData(e.target), '*');
+  prevValue = e.target.value;
+};
+
+window.addEventListener('load', () => {
+  let hash = window.location.hash;
+  let initial = '';
+  if (hash.length > 0) {
+    initial = decodeURIComponent(hash.substring(1));
+  }
+
+  let input = window.document.querySelector('#vimvixen-command-line-line-input');
+  input.addEventListener('blur', handleBlur);
+  input.addEventListener('keydown', handleKeydown);
+  input.addEventListener('keyup', handleKeyup);
+  input.value = initial;
+  input.focus();
+});