Move the Media components out of the Embed namespace

The Embed namespace is not needed.

app/components/companion_windows_component.html.erb

@@ -74,7 +74,7 @@
       Share
     </header>
 
-    <%= render Embed::Media::EmbedThisFormComponent.new(viewer:) %>
+    <%= render Media::EmbedThisFormComponent.new(viewer:) %>
 
     <button data-action="click->companion-window#closeModal">Close</button>
   </dialog>

app/components/media/embed_this_form_component.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Media
+  class EmbedThisFormComponent < ViewComponent::Base
+    def initialize(viewer:)
+      @viewer = viewer
+    end
+
+    delegate :embed_request, :purl_object, to: :viewer
+    delegate :title, to: :purl_object, prefix: true
+    delegate :purl_url, to: :purl_object
+
+    attr_reader :viewer
+  end
+end

app/components/media/metadata_component.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Media
+  class MetadataComponent < ViewComponent::Base
+    def initialize(viewer:)
+      @viewer = viewer
+    end
+
+    attr_reader :viewer
+  end
+end

app/components/media/preview_image_component.rb

@@ -0,0 +1,63 @@
+# frozen_string_literal: true
+
+module Media
+  # Displays an image (e.g. photo of the media) for a media resource
+  class PreviewImageComponent < ViewComponent::Base
+    include Embed::StacksImage
+
+    # @param [String] druid the object identifier
+    # @param [ResourceFile] file the file to display
+    # @param [Integer] resource_index the offset of this resource in the purl
+    # @param [String] type the type of resource (either audio or video), used to determine which icon to show
+    def initialize(druid:, file:, resource_index:, type:)
+      @druid = druid
+      @file = file
+      @resource_index = resource_index
+      @type = type
+    end
+
+    attr_reader :resource_index, :druid, :file, :type
+
+    def call
+      # the 74,73 size accounts for the additional pixel size returned by the image server
+      thumb_url = stacks_square_url(druid, file.title, size: '74,73')
+      render WrapperComponent.new(thumbnail: thumb_url, file:, type:, resource_index:) do
+        tag.div(class: 'osd', id: "openseadragon-#{resource_index}",
+                data: { controller: 'osd', osd_url_value:, osd_nav_images_value: })
+      end
+    end
+
+    def osd_url_value
+      "#{stacks_image_url(druid, file.filename)}/info.json"
+    end
+
+    def osd_nav_images_value # rubocop:disable Metrics/MethodLength
+      {
+        zoomIn: {
+          REST: asset_path('zoomin_rest.png'),
+          GROUP: asset_path('zoomin_grouphover.png'),
+          HOVER: asset_path('zoomin_hover.png'),
+          DOWN: asset_path('zoomin_pressed.png')
+        },
+        zoomOut: {
+          REST: asset_path('zoomout_rest.png'),
+          GROUP: asset_path('zoomout_grouphover.png'),
+          HOVER: asset_path('zoomout_hover.png'),
+          DOWN: asset_path('zoomout_pressed.png')
+        },
+        home: {
+          REST: asset_path('home_rest.png'),
+          GROUP: asset_path('home_grouphover.png'),
+          HOVER: asset_path('home_hover.png'),
+          DOWN: asset_path('home_pressed.png')
+        },
+        fullpage: {
+          REST: asset_path('fullpage_rest.png'),
+          GROUP: asset_path('fullpage_grouphover.png'),
+          HOVER: asset_path('fullpage_hover.png'),
+          DOWN: asset_path('fullpage_pressed.png')
+        }
+      }
+    end
+  end
+end