From babd967eb8ac62c4a6ff6734ff57e46faaa5bab6 Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Mon, 17 Jul 2017 20:46:28 +0200
Subject: [web] options: make help and err permanently visible, improve perf

---
 web/src/js/ducks/ui/optionsEditor.js | 73 ++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 web/src/js/ducks/ui/optionsEditor.js

(limited to 'web/src/js/ducks/ui/optionsEditor.js')

diff --git a/web/src/js/ducks/ui/optionsEditor.js b/web/src/js/ducks/ui/optionsEditor.js
new file mode 100644
index 00000000..23dfe01a
--- /dev/null
+++ b/web/src/js/ducks/ui/optionsEditor.js
@@ -0,0 +1,73 @@
+import { HIDE_MODAL } from "./modal"
+
+export const OPTION_UPDATE_START = 'UI_OPTION_UPDATE_START'
+export const OPTION_UPDATE_SUCCESS = 'UI_OPTION_UPDATE_SUCCESS'
+export const OPTION_UPDATE_ERROR = 'UI_OPTION_UPDATE_ERROR'
+
+const defaultState = {
+    /* optionName -> {isUpdating, value (client-side), error} */
+}
+
+export default function reducer(state = defaultState, action) {
+    switch (action.type) {
+        case OPTION_UPDATE_START:
+            return {
+                ...state,
+                [action.option]: {
+                    isUpdate: true,
+                    value: action.value,
+                    error: false,
+                }
+            }
+
+        case OPTION_UPDATE_SUCCESS:
+            return {
+                ...state,
+                [action.option]: undefined
+            }
+
+        case OPTION_UPDATE_ERROR:
+            let val = state[action.option].value;
+            if (typeof(val) === "boolean") {
+                // If a boolean option errs, reset it to its previous state to be less confusing.
+                // Example: Start mitmweb, check "add_upstream_certs_to_client_chain".
+                val = !val;
+            }
+            return {
+                ...state,
+                [action.option]: {
+                    value: val,
+                    isUpdating: false,
+                    error: action.error
+                }
+            }
+
+        case HIDE_MODAL:
+            return {}
+
+        default:
+            return state
+    }
+}
+
+export function startUpdate(option, value) {
+    return {
+        type: OPTION_UPDATE_START,
+        option,
+        value,
+    }
+}
+export function updateSuccess(option) {
+    return {
+        type: OPTION_UPDATE_SUCCESS,
+        option,
+    }
+}
+
+export function updateError(option, error) {
+    return {
+        type: OPTION_UPDATE_ERROR,
+        option,
+        error,
+    }
+}
-- 
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