[frio] Remove legacy schemes

- [frio] Replace default scheme file by default scheme value
- [frio] Simplify frio theme settings
- [frio] Remove query string scheme setting

view/theme/frio/config.php

@@ -24,6 +24,7 @@ use Friendica\Core\Renderer;
 use Friendica\DI;
 
 require_once 'view/theme/frio/php/Image.php';
+require_once 'view/theme/frio/php/scheme.php';
 
 function theme_post(App $a)
 {
@@ -93,14 +94,7 @@ function theme_content(): string
 	}
 
 	$arr = [
-		'scheme' => DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'scheme',
+		'scheme'              => frio_scheme_get_current_for_user(DI::userSession()->getLocalUserId()),
-			DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'schema',
-				DI::config()->get('frio', 'scheme',
-					DI::config()->get('frio', 'schema')
-				)
-			)
-		),
-
 		'share_string'        => '',
 		'scheme_accent'       => DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'scheme_accent'      , DI::config()->get('frio', 'scheme_accent')),
 		'nav_bg'              => DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'nav_bg'             , DI::config()->get('frio', 'nav_bg')),
@@ -123,8 +117,8 @@ function theme_admin(): string
 	}
 
 	$arr = [
-		'scheme'              => DI::config()->get('frio', 'scheme', DI::config()->get('frio', 'schema')),
+		'scheme'              => frio_scheme_get_current(),
-		'scheme_accent'       => DI::config()->get('frio', 'scheme_accent'),
+		'scheme_accent'       => DI::config()->get('frio', 'scheme_accent') ?: FRIO_SCHEME_ACCENT_BLUE,
 		'share_string'        => '',
 		'nav_bg'              => DI::config()->get('frio', 'nav_bg'),
 		'nav_icon_color'      => DI::config()->get('frio', 'nav_icon_color'),
@@ -149,33 +143,15 @@ function frio_form($arr)
 	$scheme_info = get_scheme_info($arr['scheme']);
 	$disable = $scheme_info['overwrites'];
 
-	$schemes = [
-		'light' => DI::l10n()->t('Light (Accented)'),
-		'dark'  => DI::l10n()->t('Dark (Accented)'),
-		'black' => DI::l10n()->t('Black (Accented)'),
-	];
-
-	$legacy_schemes = [];
-	foreach (glob('view/theme/frio/scheme/*.php') ?: [] as $file) {
-		$scheme = basename($file, '.php');
-		if (!in_array($scheme, ['default', 'light', 'dark', 'black'])) {
-			$scheme_name = ucfirst($scheme);
-			$legacy_schemes[$scheme] = $scheme_name;
-		}
-	}
-
 	$background_image_help = '<strong>' . DI::l10n()->t('Note') . ': </strong>' . DI::l10n()->t('Check image permissions if all users are allowed to see the image');
 
 	$t = Renderer::getMarkupTemplate('theme_settings.tpl');
 	$ctx = [
 		'$submit'           => DI::l10n()->t('Submit'),
 		'$title'            => DI::l10n()->t('Theme settings'),
-		'$custom'           => DI::l10n()->t('Custom'),
+		'$scheme'           => ['frio_scheme', DI::l10n()->t('Appearance'), $arr['scheme'], frio_scheme_get_list()],
-		'$legacy'           => DI::l10n()->t('Legacy'),
+		'$scheme_accent'    => !$scheme_info['accented'] ? '' : ['frio_scheme_accent', DI::l10n()->t('Accent color'), $arr['scheme_accent'], ['blue' => DI::l10n()->t('Blue'), 'red' => DI::l10n()->t('Red'), 'purple' => DI::l10n()->t('Purple'), 'green' => DI::l10n()->t('Green'), 'pink' => DI::l10n()->t('Pink')]],
-		'$accented'         => DI::l10n()->t('Accented'),
+		'$share_string'     => $arr['scheme'] != FRIO_CUSTOM_SCHEME ? '' : ['frio_share_string', DI::l10n()->t('Copy or paste schemestring'), $arr['share_string'], DI::l10n()->t('You can copy this string to share your theme with others. Pasting here applies the schemestring'), false, false],
-		'$scheme'           => ['frio_scheme', DI::l10n()->t('Select color scheme'), $arr['scheme'], $schemes, $legacy_schemes],
-		'$scheme_accent'    => !$scheme_info['accented'] ? '' : ['frio_scheme_accent', DI::l10n()->t('Select scheme accent'), $arr['scheme_accent'], ['blue' => DI::l10n()->t('Blue'), 'red' => DI::l10n()->t('Red'), 'purple' => DI::l10n()->t('Purple'), 'green' => DI::l10n()->t('Green'), 'pink' => DI::l10n()->t('Pink')]],
-		'$share_string'     => $arr['scheme'] != '---' ? '' : ['frio_share_string', DI::l10n()->t('Copy or paste schemestring'), $arr['share_string'], DI::l10n()->t('You can copy this string to share your theme with others. Pasting here applies the schemestring'), false, false],
 		'$nav_bg'           => array_key_exists('nav_bg', $disable) ? '' : ['frio_nav_bg', DI::l10n()->t('Navigation bar background color'), $arr['nav_bg'], '', false],
 		'$nav_icon_color'   => array_key_exists('nav_icon_color', $disable) ? '' : ['frio_nav_icon_color', DI::l10n()->t('Navigation bar icon color '), $arr['nav_icon_color'], '', false],
 		'$link_color'       => array_key_exists('link_color', $disable) ? '' : ['frio_link_color', DI::l10n()->t('Link color'), $arr['link_color'], '', false],

view/theme/frio/php/default.php

@@ -29,6 +29,7 @@ use Friendica\Model\Profile;
 
 require_once 'view/theme/frio/theme.php';
 require_once 'view/theme/frio/php/frio_boot.php';
+require_once 'view/theme/frio/php/scheme.php';
 
 //	$minimal = is_modal();
 if (!isset($minimal)) {
@@ -59,8 +60,8 @@ $is_singleuser_class = $is_singleuser ? "is-singleuser" : "is-not-singleuser";
 		// Add the theme color meta
 		// It makes mobile Chrome UI match Frio's top bar color.
 		$uid = Profile::getThemeUid($a);
-		$scheme = DI::pConfig()->get($uid, 'frio', 'scheme', DI::pConfig()->get($uid, 'frio', 'schema'));
+		$scheme = frio_scheme_get_current_for_user($uid);
-		if ($scheme && is_string($scheme) && $scheme != '---') {
+		if ($scheme != FRIO_CUSTOM_SCHEME) {
 			if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {
 				$schemefile = 'view/theme/frio/scheme/' . $scheme . '.php';
 				$scheme_accent =

view/theme/frio/php/scheme.php

@@ -37,15 +37,13 @@
 use Friendica\DI;
 use Friendica\Util\Strings;
 
+require_once 'view/theme/frio/theme.php';
+
 function get_scheme_info($scheme)
 {
 	$theme = DI::app()->getCurrentTheme();
 	$themepath = 'view/theme/' . $theme . '/';
-	if (empty($scheme)) {
+	$scheme = Strings::sanitizeFilePathItem($scheme) ?: FRIO_DEFAULT_SCHEME;
-		$scheme = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'scheme', DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'frio', 'schema', '---'));
-	}
-
-	$scheme = Strings::sanitizeFilePathItem($scheme);
 
 	$info = [
 		'name' => $scheme,
@@ -100,3 +98,54 @@ function get_scheme_info($scheme)
 
 	return $info;
 }
+
+function frio_scheme_get_list(): array
+{
+	$schemes = [
+		'light' => DI::l10n()->t('Light'),
+		'dark'  => DI::l10n()->t('Dark'),
+		'black' => DI::l10n()->t('Black'),
+	];
+
+	foreach (glob('view/theme/frio/scheme/*.php') ?: [] as $file) {
+		$scheme = basename($file, '.php');
+		if (!in_array($scheme, ['default', 'light', 'dark', 'black'])) {
+			$scheme_info = get_scheme_info($scheme);
+			$schemes[$scheme] = $scheme_info['name'] ?? ucfirst($scheme);
+		}
+	}
+
+	$schemes[FRIO_CUSTOM_SCHEME] = DI::l10n()->t('Custom');
+
+	return $schemes;
+}
+
+function frio_scheme_get_current()
+{
+	$available = array_keys(frio_scheme_get_list());
+
+	$scheme = DI::config()->get('frio', 'scheme') ?: DI::config()->get('frio', 'schema');
+
+	if (!in_array($scheme, $available)) {
+		return FRIO_DEFAULT_SCHEME;
+	}
+
+	return $scheme;
+}
+
+function frio_scheme_get_current_for_user(int $uid)
+{
+	$available = array_keys(frio_scheme_get_list());
+
+	$scheme =
+		DI::pConfig()->get($uid, 'frio', 'scheme') ?:
+			DI::pConfig()->get($uid, 'frio', 'schema') ?:
+				DI::config()->get('frio', 'scheme') ?:
+					DI::config()->get('frio', 'schema');
+
+	if (!in_array($scheme, $available)) {
+		return FRIO_DEFAULT_SCHEME;
+	}
+
+	return $scheme;
+}

view/theme/frio/style.php

@@ -24,10 +24,9 @@ use Friendica\Network\HTTPException\NotModifiedException;
 use Friendica\Util\Strings;
 
 require_once 'view/theme/frio/theme.php';
+require_once 'view/theme/frio/php/scheme.php';
 require_once 'view/theme/frio/php/PHPColors/Color.php';
 
-$scheme = '';
-$schemecss = '';
 $schemecssfile = false;
 $scheme_modified = 0;
 
@@ -35,7 +34,7 @@ $scheme_modified = 0;
  * This script can be included when the maintenance mode is on, which requires us to avoid any config call and
  * use the following hardcoded defaults
  */
-$scheme           = null;
+$scheme           = FRIO_DEFAULT_SCHEME;
 $scheme_accent    = FRIO_SCHEME_ACCENT_BLUE;
 $nav_bg           = '#708fa0';
 $nav_icon_color   = '#ffffff';
@@ -52,7 +51,7 @@ if (DI::mode()->has(\Friendica\App\Mode::MAINTENANCEDISABLED)) {
 	DI::config()->reload();
 
 	// Default to hard-coded values for empty settings
-	$scheme           = DI::config()->get('frio', 'scheme', DI::config()->get('frio', 'schema'));
+	$scheme           = frio_scheme_get_current();
 	$scheme_accent    = DI::config()->get('frio', 'scheme_accent')    ?: $scheme_accent;
 	$nav_bg           = DI::config()->get('frio', 'nav_bg')           ?: $nav_bg;
 	$nav_icon_color   = DI::config()->get('frio', 'nav_icon_color')   ?: $nav_icon_color;
@@ -71,7 +70,7 @@ if (DI::mode()->has(\Friendica\App\Mode::MAINTENANCEDISABLED)) {
 		DI::pConfig()->load($uid, 'frio');
 
 		// Only override display settings that have actually been set
-		$scheme           = DI::pConfig()->get($uid, 'frio', 'scheme', DI::pConfig()->get($uid, 'frio', 'schema')) ?: $scheme;
+		$scheme           = frio_scheme_get_current_for_user($uid);
 		$scheme_accent    = DI::pConfig()->get($uid, 'frio', 'scheme_accent')    ?: $scheme_accent;
 		$nav_bg           = DI::pConfig()->get($uid, 'frio', 'nav_bg')           ?: $nav_bg;
 		$nav_icon_color   = DI::pConfig()->get($uid, 'frio', 'nav_icon_color')   ?: $nav_icon_color;
@@ -89,18 +88,9 @@ if (!$login_bg_image && !$login_bg_color) {
 }
 $login_bg_color = $login_bg_color ?: '#ededed';
 
-// Now load the scheme.  If a value is changed above, we'll keep the settings
+$scheme = Strings::sanitizeFilePathItem($scheme);
-// If not, we'll keep those defined by the scheme
-// Setting $scheme to '' wasn't working for some reason, so we'll check it's
-// not --- like the mobile theme does instead.
-// Allow layouts to over-ride the scheme.
-if (!empty($_REQUEST['scheme'])) {
-	$scheme = $_REQUEST['scheme'];
-}
 
-$scheme = Strings::sanitizeFilePathItem($scheme ?? '');
+if ($scheme != FRIO_CUSTOM_SCHEME) {
-
-if ($scheme && ($scheme != '---')) {
 	if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {
 		$schemefile = 'view/theme/frio/scheme/' . $scheme . '.php';
 		require_once $schemefile;
@@ -110,19 +100,6 @@ if ($scheme && ($scheme != '---')) {
 	}
 }
 
-// If we haven't got a scheme, load the default.  We shouldn't touch this - we
-// should leave it for admins to define for themselves.
-// default.php and default.css MUST be symlinks to existing scheme files.
-if (!$scheme) {
-	if (file_exists('view/theme/frio/scheme/default.php')) {
-		$schemefile = 'view/theme/frio/scheme/default.php';
-		require_once $schemefile;
-	}
-	if (file_exists('view/theme/frio/scheme/default.css')) {
-		$schemecssfile = 'view/theme/frio/scheme/default.css';
-	}
-}
-
 $contentbg_transp = $contentbg_transp != '' ? $contentbg_transp : 100;
 
 // Calculate some colors in dependance of existing colors.

view/theme/frio/templates/theme_settings.tpl

@@ -4,17 +4,9 @@
 <div class="form-group field select">
 	<label for="id_{{$scheme.0}}">{{$scheme.1}}</label>
 	<select name="{{$scheme.0}}" id="id_{{$scheme.0}}" class="form-control">
-		<option value="---" {{if '---' == $scheme.2}}selected="selected"{{/if}}>{{$custom}}</option>
-		<optgroup label="{{$accented}}">
 	{{foreach $scheme.3 as $value => $label}}
 		<option value="{{$value}}" {{if $value == $scheme.2}}selected="selected"{{/if}}>{{$label}}</option>
 	{{/foreach}}
-		</optgroup>
-		<optgroup label="{{$legacy}}">
-	{{foreach $scheme.4 as $value => $label}}
-			<option value="{{$value}}" {{if $value == $scheme.2}}selected="selected"{{/if}}>{{$label}}</option>
-	{{/foreach}}
-		</optgroup>
 	</select>
 </div>
 

view/theme/frio/theme.php

@@ -41,6 +41,9 @@ const FRIO_SCHEME_ACCENT_PURPLE = '#a54bad';
 const FRIO_SCHEME_ACCENT_GREEN  = '#218f39';
 const FRIO_SCHEME_ACCENT_PINK   = '#d900a9';
 
+const FRIO_DEFAULT_SCHEME = 'light';
+const FRIO_CUSTOM_SCHEME = '---';
+
 /*
  * This script can be included even when the app is in maintenance mode which requires us to avoid any config call
  */