From 822431ac14a6f13b65ad5d1eb31659353203bfc6 Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@element.io>
Date: Thu, 3 Dec 2020 13:53:47 +0100
Subject: [PATCH] guess platform, might need tweaking still

---
 src/Platform.js | 32 +++++++++++++++++++++++++++-----
 src/main.js     |  2 +-
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/src/Platform.js b/src/Platform.js
index 328826c..21de264 100644
--- a/src/Platform.js
+++ b/src/Platform.js
@@ -26,10 +26,32 @@ export const Platform = createEnum(
 	"Linux"
 );
 
-export function guessApplicablePlatforms(userAgent) {
-	// use https://github.com/faisalman/ua-parser-js to guess, and pass as RootVM options
-	return [Platform.DesktopWeb, Platform.Linux];
-	// return [Platform.MobileWeb, Platform.Android];
+export function guessApplicablePlatforms(userAgent, platform) {
+	// return [Platform.DesktopWeb, Platform.Linux];
+    let nativePlatform;
+    let webPlatform;
+    if (/android/i.test(userAgent)) {
+        nativePlatform = Platform.Android;
+        webPlatform = Platform.MobileWeb;
+    } else if ( // https://stackoverflow.com/questions/9038625/detect-if-device-is-ios/9039885
+        (
+            /iPad|iPhone|iPod/.test(navigator.platform) ||
+            (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1)
+        ) && !window.MSStream
+    ) {
+        nativePlatform = Platform.iOS;
+        webPlatform = Platform.MobileWeb;
+    } else if (platform.toLowerCase().indexOf("linux") !== -1) {
+        nativePlatform = Platform.Linux;
+        webPlatform = Platform.DesktopWeb;
+    } else if (platform.toLowerCase().indexOf("mac") !== -1) {
+        nativePlatform = Platform.macOS;
+        webPlatform = Platform.DesktopWeb;
+    } else {
+        nativePlatform = Platform.Windows;
+        webPlatform = Platform.DesktopWeb;
+    }
+    return [nativePlatform, webPlatform];
 }
 
 export function isWebPlatform(p) {
@@ -39,4 +61,4 @@ export function isWebPlatform(p) {
 
 export function isDesktopPlatform(p) {
 	return p === Platform.Linux || p === Platform.Windows || p === Platform.macOS;
-}
\ No newline at end of file
+}
diff --git a/src/main.js b/src/main.js
index 3ffd2f1..16c324a 100644
--- a/src/main.js
+++ b/src/main.js
@@ -24,7 +24,7 @@ export async function main(container) {
 	const vm = new RootViewModel({
 		request: xhrRequest,
 		openLink: url => location.href = url,
-		platforms: guessApplicablePlatforms(navigator.userAgent),
+		platforms: guessApplicablePlatforms(navigator.userAgent, navigator.platform),
 		preferences: new Preferences(window.localStorage),
 		origin: location.origin,
 	});