Add PWA app manifest to public player page.

config/routes/public.php

@@ -12,6 +12,9 @@ return function (App $app) {
             $group->get('[/{embed:embed|social}]', Controller\Frontend\PublicPages\PlayerAction::class)
                 ->setName('public:index');
 
+            $group->get('/app.webmanifest', Controller\Frontend\PublicPages\AppManifestAction::class)
+                ->setName('public:manifest');
+
             $group->get('/embed-requests', Controller\Frontend\PublicPages\RequestsAction::class)
                 ->setName('public:embedrequests');
 

src/Controller/Frontend/PublicPages/AppManifestAction.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace App\Controller\Frontend\PublicPages;
+
+use App\Environment;
+use App\Exception\StationNotFoundException;
+use App\Http\Response;
+use App\Http\ServerRequest;
+use Psr\Http\Message\ResponseInterface;
+
+class AppManifestAction
+{
+    public function __invoke(
+        ServerRequest $request,
+        Response $response,
+        Environment $environment
+    ): ResponseInterface {
+        $station = $request->getStation();
+
+        if (!$station->getEnablePublicPage()) {
+            throw new StationNotFoundException();
+        }
+
+        $iconBaseUrl = $environment->getAssetUrl() . '/icons/' . $environment->getAppEnvironment();
+
+        $manifest = [
+            'name' => $station->getName() . ' - AzuraCast',
+            'short_name' => $station->getName(),
+            'description' => $station->getDescription(),
+            'start_url' => '.',
+            'display' => 'minimal-ui',
+            'theme_color' => '#2196F3',
+            'icons' => [
+                [
+                    'src' => $iconBaseUrl . '/android-icon-36x36.png',
+                    'sizes' => '36x36',
+                    'type' => 'image/png',
+                    'density' => '0.75',
+                ],
+                [
+                    'src' => $iconBaseUrl . '/android-icon-48x48.png',
+                    'sizes' => '48x48',
+                    'type' => 'image/png',
+                    'density' => '1.0',
+                ],
+                [
+                    'src' => $iconBaseUrl . '/android-icon-72x72.png',
+                    'sizes' => '72x72',
+                    'type' => 'image/png',
+                    'density' => '1.5',
+                ],
+                [
+                    'src' => $iconBaseUrl . '/android-icon-96x96.png',
+                    'sizes' => '96x96',
+                    'type' => 'image/png',
+                    'density' => '2.0',
+                ],
+                [
+                    'src' => $iconBaseUrl . '/android-icon-144x144.png',
+                    'sizes' => '144x144',
+                    'type' => 'image/png',
+                    'density' => '3.0',
+                ],
+                [
+                    'src' => $iconBaseUrl . '/android-icon-192x192.png',
+                    'sizes' => '192x192',
+                    'type' => 'image/png',
+                    'density' => '4.0',
+                ],
+            ],
+        ];
+
+        $customization = $request->getCustomization();
+        $publicTheme = $customization->getPublicTheme();
+
+        if ($customization::THEME_BROWSER !== $publicTheme) {
+            $manifest['background_color'] = match ($publicTheme) {
+                $customization::THEME_DARK => '#222222',
+                default => '#EEEEEE'
+            };
+        }
+
+        return $response
+            ->withHeader('Content-Type', 'application/manifest+json')
+            ->withJson($manifest);
+    }
+}

templates/frontend/public/index.phtml

@@ -40,6 +40,7 @@ $assets
 
 $this->push('head');
 ?>
+<link rel="manifest" href="<?=(string)$router->fromHere('public:manifest')?>">
 
 <meta property="og:title" content="<?=$this->e($station->getName())?>">
 <meta property="og:url" content="<?=$this->e($station->getUrl())?>">
@@ -54,7 +55,6 @@ $this->push('head');
 )?>">
 <meta property="twitter:player:width" content="400">
 <meta property="twitter:player:height" content="125">
-
 <?php
 $this->end();
 ?>