57 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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module ThemeHelper
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  def theme_style_tags(theme)
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    if theme == 'system'
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      ''.html_safe.tap do |tags|
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        tags << stylesheet_pack_tag('mastodon-light', media: 'not all and (prefers-color-scheme: dark)', crossorigin: 'anonymous')
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        tags << stylesheet_pack_tag('default', media: '(prefers-color-scheme: dark)', crossorigin: 'anonymous')
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      end
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    else
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      stylesheet_pack_tag theme, media: 'all', crossorigin: 'anonymous'
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    end
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  end
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  def theme_color_tags(theme)
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    if theme == 'system'
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      ''.html_safe.tap do |tags|
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        tags << tag.meta(name: 'theme-color', content: Themes::THEME_COLORS[:dark], media: '(prefers-color-scheme: dark)')
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        tags << tag.meta(name: 'theme-color', content: Themes::THEME_COLORS[:light], media: '(prefers-color-scheme: light)')
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      end
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    else
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      tag.meta name: 'theme-color', content: theme_color_for(theme)
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    end
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  end
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  def custom_stylesheet
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    if active_custom_stylesheet.present?
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      stylesheet_link_tag(
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        custom_css_path(active_custom_stylesheet),
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        host: root_url,
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        media: :all,
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        skip_pipeline: true
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      )
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    end
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  end
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  private
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  def active_custom_stylesheet
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    if cached_custom_css_digest.present?
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      [:custom, cached_custom_css_digest.to_s.first(8)]
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        .compact_blank
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        .join('-')
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    end
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  end
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  def cached_custom_css_digest
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    Rails.cache.fetch(:setting_digest_custom_css) do
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      Setting.custom_css&.then { |content| Digest::SHA256.hexdigest(content) }
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    end
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  end
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  def theme_color_for(theme)
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    theme == 'mastodon-light' ? Themes::THEME_COLORS[:light] : Themes::THEME_COLORS[:dark]
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  end
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end
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