Slight improvement for double-clicking play/pause in new item preview

Oh right, if the *label* is `:active`, that only applies if we're
clicking it with our mouse. But if the *toggle* is actively, that
applies both to mouse events on the label, and keyboard events on the
checkbox.

app/assets/javascripts/outfit-viewer.js

@@ -1,4 +1,4 @@
-class OutfitLayer extends HTMLElement {
+class OutfitViewer extends HTMLElement {
 	#internals;
 
 	constructor() {
@@ -10,26 +10,98 @@ class OutfitLayer extends HTMLElement {
 		setTimeout(() => this.#connectToChildren(), 0);
 	}
 
+	#connectToChildren() {
+		const playPauseToggle = document.querySelector(".play-pause-toggle");
+
+		// Read our initial playing state from the toggle, and subscribe to changes.
+		this.#setIsPlaying(playPauseToggle.checked);
+		playPauseToggle.addEventListener("change", () => {
+			this.#setIsPlaying(playPauseToggle.checked);
+			this.#setIsPlayingCookie(playPauseToggle.checked);
+		});
+	}
+
+	#setIsPlaying(isPlaying) {
+		// TODO: Listen for changes to the child list, and add `playing` when new
+		// nodes arrive, if playing.
+		const thirtyDays = 60 * 60 * 24 * 30;
+		if (isPlaying) {
+			this.#internals.states.add("playing");
+			for (const layer of this.querySelectorAll("outfit-layer")) {
+				layer.play();
+			}
+		} else {
+			this.#internals.states.delete("playing");
+			for (const layer of this.querySelectorAll("outfit-layer")) {
+				layer.pause();
+			}
+		}
+	}
+
+	#setIsPlayingCookie(isPlaying) {
+		const thirtyDays = 60 * 60 * 24 * 30;
+		const value = isPlaying ? "true" : "false";
+		document.cookie = `DTIOutfitViewerIsPlaying=${value};max-age=${thirtyDays}`;
+	}
+}
+
+class OutfitLayer extends HTMLElement {
+	#internals;
+
+	constructor() {
+		super();
+		this.#internals = this.attachInternals();
+
+		// An <outfit-layer> starts in the loading state, and then might very
+		// quickly decide it's not after `#connectToChildren`. This is to prevent a
+		// flash of *non*-loading state, when a new layer loads in. (e.g. In the
+		// time between our parent <turbo-frame> loading, which shows the loading
+		// spinner; and us being marked `:state(loading)`, which shows the loading
+		// spinner; we don't want the loading spinner to do its usual *immediate*
+		// total fade-out; then have to fade back in again, on the usual delay.)
+		this.#setStatus("loading");
+	}
+
+	connectedCallback() {
+		setTimeout(() => this.#connectToChildren(), 0);
+	}
+
 	disconnectedCallback() {
 		window.removeEventListener("message", this.#onMessage);
 	}
 
+	play() {
+		this.#sendMessageToIframe({ type: "play" });
+	}
+
+	pause() {
+		this.#sendMessageToIframe({ type: "pause" });
+	}
+
 	#connectToChildren() {
 		const image = this.querySelector("img");
 		const iframe = this.querySelector("iframe");
 
 		if (image) {
+			// Initialize status based on the image's current `complete` attribute,
+			// then wait for load/error events to update it further if needed.
+			this.#setStatus(image.complete ? "loaded" : "loading");
 			image.addEventListener("load", () => this.#setStatus("loaded"));
 			image.addEventListener("error", () => this.#setStatus("error"));
-			this.#setStatus(image.complete ? "loaded" : "loading");
 		} else if (iframe) {
 			this.iframe = iframe;
-			window.addEventListener("message", (m) => this.#onMessage(m));
+
+			// Initialize status to `loading`, and asynchronously request a status
+			// message from the iframe if it managed to load before this triggers
+			// (impressive, but I think I've seen it happen!). Then, wait for
+			// messages or error events from the iframe to update status further if
+			// needed.
 			this.#setStatus("loading");
+			this.#sendMessageToIframe({ type: "requestStatus" });
+			window.addEventListener("message", (m) => this.#onMessage(m));
+			this.iframe.addEventListener("error", () => this.#setStatus("error"));
 		} else {
-			throw new Error(
-				`<outfit-layer> must contain an <img> or <iframe> tag`,
-			);
+			throw new Error(`<outfit-layer> must contain an <img> or <iframe> tag`);
 		}
 	}
 
@@ -38,11 +110,17 @@ class OutfitLayer extends HTMLElement {
 			return;
 		}
 
-		if (
-			data.type === "status" &&
-			["loaded", "error"].includes(data.status)
-		) {
-			this.#setStatus(data.status);
+		if (data.type === "status") {
+			if (data.status === "loaded") {
+				this.#setStatus("loaded");
+				this.#setHasAnimations(data.hasAnimations);
+			} else if (data.status === "error") {
+				this.#setStatus("error");
+			} else {
+				throw new Error(
+					`<outfit-layer> got unexpected status: ${JSON.stringify(data.status)}`,
+				);
+			}
 		} else {
 			throw new Error(
 				`<outfit-layer> got unexpected message: ${JSON.stringify(data)}`,
@@ -51,11 +129,31 @@ class OutfitLayer extends HTMLElement {
 	}
 
 	#setStatus(newStatus) {
-		this.#internals.states.clear();
+		this.#internals.states.delete("loading");
+		this.#internals.states.delete("loaded");
+		this.#internals.states.delete("error");
 		this.#internals.states.add(newStatus);
 	}
+
+	#setHasAnimations(hasAnimations) {
+		if (hasAnimations) {
+			this.#internals.states.add("has-animations");
+		} else {
+			this.#internals.states.delete("has-animations");
+		}
 	}
 
+	#sendMessageToIframe(message) {
+		if (this.iframe?.contentWindow == null) {
+			return;
+		}
+
+		// The frame is sandboxed (origin == null), so send to Any origin.
+		this.iframe.contentWindow.postMessage(message, "*");
+	}
+}
+
+customElements.define("outfit-viewer", OutfitViewer);
 customElements.define("outfit-layer", OutfitLayer);
 
 // Morph turbo-frames on this page, to reuse asset nodes when we want to—very

app/assets/javascripts/swf_assets/show.js

@@ -237,9 +237,7 @@ function onAnimationFrame() {
 
 	if (msSinceLastLog >= 5000) {
 		const fps = numFramesSinceLastLog / (msSinceLastLog / 1000);
-		console.debug(
-			`${logPrefix} FPS: ${fps.toFixed(2)} (Target: ${targetFps})`,
-		);
+		console.debug(`${logPrefix} FPS: ${fps.toFixed(2)} (Target: ${targetFps})`);
 		lastLogTime = document.timeline.currentTime;
 		numFramesSinceLastLog = 0;
 	}
@@ -276,6 +274,44 @@ function getInitialPlayingStatus() {
 	}
 }
 
+/**
+ * Recursively scans the given MovieClip (or child createjs node), to see if
+ * there are any animated areas.
+ */
+function hasAnimations(createjsNode) {
+	return (
+		// Some nodes have simple animation frames.
+		createjsNode.totalFrames > 1 ||
+		// Tweens are a form of animation that can happen separately from frames.
+		// They expect timer ticks to happen, and they change the scene accordingly.
+		createjsNode?.timeline?.tweens?.length >= 1 ||
+		// And some nodes have _children_ that are animated.
+		(createjsNode.children || []).some(hasAnimations)
+	);
+}
+
+function sendStatus() {
+	if (loadingStatus === "loading") {
+		sendMessage({ type: "status", status: "loading" });
+	} else if (loadingStatus === "loaded") {
+		sendMessage({
+			type: "status",
+			status: "loaded",
+			hasAnimations: hasAnimations(movieClip),
+		});
+	} else if (loadingStatus === "error") {
+		sendMessage({ type: "status", status: "error" });
+	} else {
+		throw new Error(
+			`unexpected loadingStatus ${JSON.stringify(loadingStatus)}`,
+		);
+	}
+}
+
+function sendMessage(message) {
+	parent.postMessage(message, document.location.origin);
+}
+
 window.addEventListener("resize", () => {
 	updateCanvasDimensions();
 
@@ -296,6 +332,8 @@ window.addEventListener("message", ({ data }) => {
 		play();
 	} else if (data.type === "pause") {
 		pause();
+	} else if (data.type === "requestStatus") {
+		sendStatus();
 	} else {
 		throw new Error(`unexpected message: ${JSON.stringify(data)}`);
 	}
@@ -303,19 +341,13 @@ window.addEventListener("message", ({ data }) => {
 
 startMovie()
 	.then(() => {
-		parent.postMessage(
-			{ type: "status", status: "loaded" },
-			document.location.origin,
-		);
+		sendStatus();
 	})
 	.catch((error) => {
 		console.error(logPrefix, error);
 
 		loadingStatus = "error";
-		parent.postMessage(
-			{ type: "status", status: "error" },
-			document.location.origin,
-		);
+		sendStatus();
 
 		// If loading the movie fails, show the fallback image instead, by moving
 		// it out of the canvas content and into the body.

app/assets/stylesheets/application/hanger-spinner.css

@@ -0,0 +1,64 @@
+.hanger-spinner {
+	height: 32px;
+	width: 32px;
+
+	@media (prefers-reduced-motion: no-preference) {
+		animation: 1.2s infinite hanger-spinner-swing;
+		transform-origin: top center;
+	}
+
+	@media (prefers-reduced-motion: reduce) {
+		animation: 1.6s infinite hanger-spinner-fade-pulse;
+	}
+}
+
+/*
+	Adapted from animate.css "swing". We spend 75% of the time swinging,
+	then 25% of the time pausing before the next loop.
+
+	We use this animation for folks who are okay with dizzy-ish motion.
+	For reduced motion, we use a pulse-fade instead.
+*/
+@keyframes hanger-spinner-swing {
+	15% {
+		transform: rotate3d(0, 0, 1, 15deg);
+	}
+
+	30% {
+		transform: rotate3d(0, 0, 1, -10deg);
+	}
+
+	45% {
+		transform: rotate3d(0, 0, 1, 5deg);
+	}
+
+	60% {
+		transform: rotate3d(0, 0, 1, -5deg);
+	}
+
+	75% {
+		transform: rotate3d(0, 0, 1, 0deg);
+	}
+
+	100% {
+		transform: rotate3d(0, 0, 1, 0deg);
+	}
+}
+
+/*
+	A homebrew fade-pulse animation. We use this for folks who don't
+	like motion. It's an important accessibility thing!
+*/
+@keyframes hanger-spinner-fade-pulse {
+	0% {
+		opacity: 0.2;
+	}
+
+	50% {
+		opacity: 1;
+	}
+
+	100% {
+		opacity: 0.2;
+	}
+}

app/assets/stylesheets/items/_show.sass

@@ -38,31 +38,118 @@ body.items-show
     height: 16px
     width: 16px
 
-  .outfit-viewer
-    position: relative
+  outfit-viewer
     display: block
+    position: relative
     width: 300px
     height: 300px
     border: 1px solid $module-border-color
     border-radius: 1em
     overflow: hidden
-
     margin: 0 auto .75em
 
+    // There's no useful text in here, but double-clicking the play/pause
+    // button can cause a weird selection state. Disable text selection.
+    user-select: none
+    -webkit-user-select: none
+
     outfit-layer
       display: block
       position: absolute
       inset: 0
 
+      // We disable pointer-events most importantly for the iframes, which
+      // will ignore our `cursor: wait` and show a plain cursor for the
+      // inside of its own document. But also, the context menus for these
+      // elements are kinda actively misleading, too!
+      pointer-events: none
+
       img, iframe
         width: 100%
         height: 100%
 
-    &:has(outfit-layer:state(loading))
-      background: gray
+    .loading-indicator
+      position: absolute
+      z-index: 1000
+      bottom: 0px
+      right: 4px
+      padding: 8px
+      background: radial-gradient(circle closest-side, white 45%, #ffffff00)
 
-    &:has(outfit-layer:state(error))
-      border-color: $error-border-color
+      opacity: 0
+      transition: opacity .5s
+
+    .play-pause-button
+      position: absolute
+      z-index: 1001
+      left: 8px
+      bottom: 8px
+      display: none
+      align-items: center
+      justify-content: center
+      color: white
+      background: rgba(0, 0, 0, 0.64)
+      width: 2.5em
+      height: 2.5em
+      border-radius: 100%
+      border: 2px solid transparent
+      transition: all .25s
+
+      .playing-label, .paused-label
+        display: none
+        width: 1em
+        height: 1em
+
+      .play-pause-toggle
+        // Visually hidden
+        clip: rect(0 0 0 0)
+        clip-path: inset(50%)
+        height: 1px
+        overflow: hidden
+        position: absolute
+        white-space: nowrap
+        width: 1px
+
+        &:checked ~ .playing-label
+          display: block
+
+        &:not(:checked) ~ .paused-label
+          display: block
+
+      &:hover, &:has(.play-pause-toggle:focus)
+        border: 2px solid $module-border-color
+        background: $module-bg-color
+        color: $text-color
+
+      &:has(.play-pause-toggle:active)
+        transform: translateY(2px)
+
+    &:has(outfit-layer:state(has-animations))
+      .play-pause-button
+        display: flex
+
+  .error-indicator
+    font-size: 85%
+    color: $error-color
+    margin-top: .25em
+    margin-bottom: .5em
+    display: none
+
+  // When loading, fade in the loading spinner after a brief delay. (We only
+  // apply the delay here, because fading *out* on load should be instant.)
+  // We are loading when the <turbo-frame> is busy, or when at least one layer
+  // is loading.
+  #item-preview[busy] outfit-viewer, outfit-viewer:has(outfit-layer:state(loading))
+    cursor: wait
+    .loading-indicator
+      opacity: 1
+      transition-delay: 2s
+
+  #item-preview:has(outfit-layer:state(error))
+    outfit-viewer
+      border: 2px solid red
+    .error-indicator
+      display: block
 
   .species-color-picker
     .error-icon

app/assets/stylesheets/swf_assets/show.css

@@ -1,4 +1,5 @@
 #asset-canvas,
+#asset-image,
 #fallback {
 	position: absolute;
 	left: 0;

app/controllers/swf_assets_controller.rb

@@ -15,7 +15,7 @@ class SwfAssetsController < ApplicationController
 			)
 		}
 
-		policy.script_src_elem -> {
+		policy.script_src -> {
 			src_list(
 				helpers.javascript_url("lib/easeljs.min"),
 				helpers.javascript_url("lib/tweenjs.min"),
@@ -24,7 +24,7 @@ class SwfAssetsController < ApplicationController
 			)
 		}
 
-		policy.style_src_elem -> {
+		policy.style_src -> {
 			src_list(
 				helpers.stylesheet_url("swf_assets/show"),
 			)

app/helpers/items_helper.rb

@@ -224,6 +224,10 @@ module ItemsHelper
     end
   end
 
+  def outfit_viewer_is_playing
+    cookies["DTIOutfitViewerIsPlaying"] == "true"
+  end
+
   private
 
   def build_on_pet_types(species, special_color=nil, &block)

app/views/application/_hanger_spinner.html

@@ -0,0 +1,6 @@
+<svg class="hanger-spinner" viewBox="0 0 473 473">
+	<path
+		fill="currentColor"
+		d="M451.426,315.003c-0.517-0.344-1.855-0.641-2.41-0.889l-201.09-88.884v-28.879c38.25-4.6,57.136-29.835,57.136-62.28c0-35.926-25.283-63.026-59.345-63.026c-35.763,0-65.771,29.481-65.771,64.384c0,6.005,4.973,10.882,10.978,10.882c1.788,0,3.452-0.535,4.934-1.291c3.519-1.808,6.024-5.365,6.024-9.591c0-22.702,20.674-42.62,44.217-42.62c22.003,0,37.982,17.356,37.982,41.262c0,23.523-19.011,41.262-44.925,41.262c-6.005,0-10.356,4.877-10.356,10.882v21.267v21.353c0,0.21-0.421,0.383-0.401,0.593L35.61,320.55C7.181,330.792-2.554,354.095,0.554,371.881c3.194,18.293,18.704,30.074,38.795,30.074H422.26c23.782,0,42.438-12.307,48.683-32.942C477.11,348.683,469.078,326.766,451.426,315.003z M450.115,364.031c-3.452,11.427-13.607,18.8-27.846,18.8H39.349c-9.725,0-16.104-5.394-17.5-13.368c-1.587-9.104,4.265-22.032,21.831-28.42l199.531-94.583l196.844,87.65C449.303,340.717,453.434,353.072,450.115,364.031z"
+	/>
+</svg>

app/views/items/_outfit_viewer.html.haml

@@ -1,4 +1,16 @@
-.outfit-viewer
+%outfit-viewer
+  .loading-indicator= render partial: "hanger_spinner"
+
+  %label.play-pause-button{title: "Pause/play animations"}
+    %input.play-pause-toggle{
+      type: "checkbox",
+      checked: outfit_viewer_is_playing,
+    }
+    %svg.playing-label{viewBox: "0 0 24 24", "aria-hidden": "true", "aria-label": "Pause"}
+      %path{fill: "currentColor", d: "M6 19h4V5H6v14zm8-14v14h4V5h-4z"}
+    %svg.paused-label{viewBox: "0 0 24 24", "aria-hidden": "true", "aria-label": "Play"}
+      %path{fill: "currentColor", d: "M8 5v14l11-7z"}
+
   - outfit.visible_layers.each do |swf_asset|
     %outfit-layer{
       data: {
@@ -7,6 +19,6 @@
       },
     }
       - if swf_asset.canvas_movie?
-        %iframe{src: swf_asset_path(swf_asset) + "?playing"}
+        %iframe{src: swf_asset_path(swf_asset, playing: outfit_viewer_is_playing ? true : nil)}
       - else
         = image_tag swf_asset.image_url, alt: ""

app/views/items/show.html.haml

@@ -15,6 +15,8 @@
 
 = turbo_frame_tag "item-preview" do
   = render partial: "outfit_viewer", locals: {outfit: @preview_outfit}
+  .error-indicator
+    💥 We couldn't load all of this outfit. Try again?
 
   = form_for item_path(@item), method: :get, class: "species-color-picker",
     data: {"is-valid": @preview_error.nil?} do |f|
@@ -39,6 +41,9 @@
         %li= link_to(contributor.name, user_contributions_path(contributor)) + format_contribution_count(count)
     %footer= t '.contributors.footer'
 
+- content_for :stylesheets do
+  = stylesheet_link_tag "application/hanger-spinner"
+
 - content_for :javascripts do
   = javascript_include_tag "lib/idiomorph", async: true
   = javascript_include_tag "outfit-viewer", async: true

app/views/layouts/application.html.haml

@@ -13,7 +13,6 @@
     %link{href: image_path('favicon.png'), rel: 'icon'}
     = yield :stylesheets
     = stylesheet_link_tag "application"
-    = render 'analytics'
     = yield :meta
     = open_graph_tags
     = csrf_meta_tag
@@ -24,6 +23,7 @@
     = javascript_include_tag 'application', defer: true
     = yield :javascripts
     = yield :head
+    = render 'analytics'
   %body{:class => body_class}
     #container
       = yield :before_title

app/views/swf_assets/show.html.haml

@@ -7,13 +7,13 @@
       Embed for Asset ##{@swf_asset.id} | #{t "app_name"}
     %link{href: image_path("favicon.png"), rel: "icon"}
 
-    -# NOTE: For all these assets, the Content-Security-Policy doesn't account
-    -# for asset debug mode, so let's just opt out of it with `debug: false`!
-    - if @swf_asset.canvas_movie?
     -# Load the stylesheet first, because displaying things correctly is the
     -# actual most essential thing.
     = stylesheet_link_tag "swf_assets/show", debug: false
 
+    -# NOTE: For all these assets, the Content-Security-Policy doesn't account
+    -# for asset debug mode, so let's just opt out of it with `debug: false`!
+    - if @swf_asset.canvas_movie?
       -# This is optional, but preloading the sprites can help us from having
       -# to wait on all the other JS to load and set up before we start!
       - @swf_asset.canvas_movie_sprite_urls.each do |sprite_url|
@@ -33,4 +33,4 @@
         -# the browser won't bother to load it if it's not used.
         = image_tag @swf_asset.image_url, id: "fallback", alt: "", loading: "lazy"
     - else
-      = image_tag @swf_asset.image_url, alt: ""
+      = image_tag @swf_asset.image_url, alt: "", id: "asset-image"

lib/tasks/public_data.rake

@@ -74,6 +74,7 @@ namespace :public_data do
 		# The connection details for our database!
 		config = ApplicationRecord.connection_db_config.configuration_hash
 		args << "--host=#{config[:host]}" if config[:host]
+		args << "--ssl=false" # SSL is the default for recent MariaDB; override!
 		args << "--user=#{config[:username]}" if config[:username]
 		args << "--password=#{config[:password]}" if config[:password]
 		args << "--database=#{config.fetch(:database)}"