From 831563c8ecb2854ceba73c284719b7579c0a3bbc Mon Sep 17 00:00:00 2001
From: rstular <rok@stular.eu>
Date: Sun, 17 May 2020 16:14:07 +0200
Subject: Experimental theme support

---
 dist/js/lib/themes.js | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 dist/js/lib/themes.js

(limited to 'dist/js/lib/themes.js')

diff --git a/dist/js/lib/themes.js b/dist/js/lib/themes.js
new file mode 100644
index 0000000..d8a7ca1
--- /dev/null
+++ b/dist/js/lib/themes.js
@@ -0,0 +1,37 @@
+const THEME_COLOR_SCHEMES = {
+    light: {
+        "color-primary": "rgba(0, 128, 83, 1)",
+        "color-secondary": "rgba(0, 77, 50, 1)",
+        "color-accent": "rgba(0, 156, 101, 1)",
+        "color-primary-light": "rgba(230, 250, 231, 1)",
+        "color-invalid": "rgba(192, 0, 0, 1)",
+        "background-color": "rgba(255, 255, 255, 1)",
+        "background-accent": "rgba(0, 156, 101, 0.2)"
+    },
+    dark: {
+        "color-primary": "rgba(0, 128, 83, 1)",
+        "color-secondary": "rgba(0, 94, 61, 1)",
+        "color-accent": "rgba(20, 117, 83, 1)",
+        "color-primary-light": "rgba(230, 250, 231, 1)",
+        "color-invalid": "rgba(192, 0, 0, 1)",
+        "background-color": "rgba(31, 31, 31, 1)",
+        "background-accent": "rgba(0, 92, 44, 0.2)"
+    }
+}
+
+function applyTheme(themeName) {
+    for (const [property, value] of Object.entries(THEME_COLOR_SCHEMES[themeName])) {
+        document.documentElement.style.setProperty(`--${property}`, value);
+    }
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+    localforage.getItem("theme").then((selectedTheme) => {
+        if (selectedTheme == null) {
+            let isOsDarkTheme = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+            applyTheme(isOsDarkTheme ? "dark" : "light");
+        } else {
+            applyTheme(selectedTheme);
+        }
+    });
+});
\ No newline at end of file
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