Handle our APIs being called despite browser not supporting WebHID

AnalogSense · Oct 11, 2024 · 65d7bb2 · 65d7bb2
1 parent bb97f2e
commit 65d7bb2
Showing 1 changed file with 29 additions and 21 deletions.
diff --git a/AnalogSense.js b/AnalogSense.js
@@ -257,43 +257,51 @@ window.analogsense = {
     getDevices: async function()
     {
         const result = [];
-
-        const devices = await navigator.hid.getDevices();
-        for (const dev of devices)
+        if ("hid" in navigator)
         {
-            const provider = analogsense.findProviderForDevice(dev);
-            if (provider)
+            const devices = await navigator.hid.getDevices();
+            for (const dev of devices)
             {
-                if (!dev.opened)
+                const provider = analogsense.findProviderForDevice(dev);
+                if (provider)
                 {
-                    await dev.open();
+                    if (!dev.opened)
+                    {
+                        await dev.open();
+                    }
+                    result.push(new provider(dev));
                 }
-                result.push(new provider(dev));
             }
         }
-
         return result;
     },
     requestDevice: async function()
     {
-        const filters = [];
-        for (const provider of analogsense.providers)
-        {
-            provider.populateFilters(filters);
-        }
-        const devices = await navigator.hid.requestDevice({ filters });
-        for (const dev of devices)
+        if ("hid" in navigator)
         {
-            const provider = analogsense.findProviderForDevice(dev);
-            if (provider)
+            const filters = [];
+            for (const provider of analogsense.providers)
+            {
+                provider.populateFilters(filters);
+            }
+            const devices = await navigator.hid.requestDevice({ filters });
+            for (const dev of devices)
             {
-                if (!dev.opened)
+                const provider = analogsense.findProviderForDevice(dev);
+                if (provider)
                 {
-                    await dev.open();
+                    if (!dev.opened)
+                    {
+                        await dev.open();
+                    }
+                    return new provider(dev);
                 }
-                return new provider(dev);
             }
         }
+        else
+        {
+            alert("Your browser does not support the WebHID API, so analog keyboard input will not be available.");
+        }
         return null;
     },
     razerScancodeToHidScancode: function(scancode)