media assets: refactor media asset component.

app/components/media_asset_component/media_asset_component.html.erb

@@ -1,7 +1,7 @@
-<div class="media-asset-container media-asset-container-fit-height flex flex-col <%= outer_classes %>" data-dynamic-height="<%= dynamic_height %>" style="--header-visible-height: 0px; --media-asset-width: <%= image_width %>; --media-asset-height: <%= image_height %>;">
+<div class="media-asset-component media-asset-component-fit-height media-asset-component-fit-width flex flex-col <%= outer_classes %>" data-dynamic-height="<%= dynamic_height %>" style="--header-visible-height: 0px; --media-asset-width: <%= image_width %>; --media-asset-height: <%= image_height %>;">
   <%= header %>
 
-  <div class="media-asset-component relative max-h-inherit overflow-hidden <%= inner_classes %>">
+  <div class="media-asset-container relative max-h-inherit overflow-hidden <%= inner_classes %>">
     <div class="media-asset-zoom-level hidden absolute top-0.5 left-0.5 p-1 m-0.5 leading-none rounded text-xs font-arial font-bold pointer-events-none transition-opacity">
       100%
     </div>

app/components/media_asset_component/media_asset_component.scss

@@ -1,4 +1,4 @@
-.media-asset-component:not(:hover) .media-asset-zoom-level {
+.media-asset-container:not(:hover) .media-asset-zoom-level {
   opacity: 0;
 }
 
@@ -7,8 +7,8 @@
   background: var(--preview-icon-background);
 }
 
-.media-asset-container {
-  &:not(.media-asset-container-fit-height) .paginator {
+.media-asset-component {
+  &:not(.media-asset-component-fit-height) .paginator {
     position: sticky;
   }
 
@@ -37,19 +37,24 @@
   .media-asset-image {
     user-select: none;
     width: auto;
-    height: auto;
-    max-width: 100%;
     max-height: inherit;
   }
 
-  &.media-asset-container-fit-height {
+  &.media-asset-component-fit-height {
     max-height: calc(100vh - var(--header-visible-height));
     justify-content: center;
 
-    .media-asset-component {
+    .media-asset-container {
       aspect-ratio: var(--media-asset-width) / var(--media-asset-height);
       height: max-content;
       height: intrinsic; // XXX Safari-only hack to make images correct height on upload page. I have no idea how this works.
     }
   }
+
+  &.media-asset-component-fit-width {
+    .media-asset-image {
+      height: auto;
+      max-width: 100%;
+    }
+  }
 }

app/javascript/src/javascripts/media_asset_component.js

@@ -1,19 +1,19 @@
 export default class MediaAssetComponent {
   static initialize() {
-    $(".media-asset-container").toArray().forEach(element => {
+    $(".media-asset-component").toArray().forEach(element => {
       new MediaAssetComponent(element);
     });
   }
 
   constructor(element) {
-    this.$container = $(element);
-    this.$component = this.$container.find(".media-asset-component");
+    this.$component = $(element);
+    this.$container = this.$component.find(".media-asset-container");
+    this.$image = this.$component.find(".media-asset-image");
+    this.$zoomLevel = this.$component.find(".media-asset-zoom-level");
 
-    if (this.$container.attr("data-dynamic-height") === "true") {
+    if (this.$component.attr("data-dynamic-height") === "true") {
       this.updateHeight();
-      $(window).on("scroll.danbooru", element => {
-        this.updateHeight();
-      });
+      $(window).on("scroll.danbooru", e => this.updateHeight());
     }
 
     if (this.$image.length) {
@@ -26,8 +26,10 @@ export default class MediaAssetComponent {
   }
 
   toggleFit() {
-    if (this.canZoom) {
-      this.$container.toggleClass("media-asset-container-fit-height");
+    if (this.canZoomOut) {
+      this.$component.addClass("media-asset-component-fit-height media-asset-component-fit-width");
+    } else if (this.canZoomHeight) {
+      this.$component.removeClass("media-asset-component-fit-height");
     }
 
     this.updateZoom();
@@ -46,19 +48,19 @@ export default class MediaAssetComponent {
 
   updateHeight() {
     // XXX 115 = header height (hardcoded to prevent height glitches as page loads)
-    this.$container.css("--header-visible-height", Math.min(115, Math.max(0, this.$container.offset().top - $(window).scrollTop())) + "px");
+    this.$component.css("--header-visible-height", Math.min(115, Math.max(0, this.$component.offset().top - $(window).scrollTop())) + "px");
   }
 
   get zoomLevel() {
     return this.$image.width() / Number(this.$image.attr("width"));
   }
 
-  get canZoom() {
-    return this.canZoomIn || this.canZoomOut;
+  get canZoomIn() {
+    return this.canZoomHeight;
   }
 
-  get canZoomIn() {
-    return !this.isZoomed && this.$image.height() < this.$image.get(0).naturalHeight && Math.round(this.$image.width()) < Math.round(this.$container.width());
+  get canZoomHeight() {
+    return !this.isZoomed && this.$image.height() < this.$image.get(0).naturalHeight && Math.round(this.$image.width()) < Math.round(this.$component.width());
   }
 
   get canZoomOut() {
@@ -66,15 +68,7 @@ export default class MediaAssetComponent {
   }
 
   get isZoomed() {
-    return !this.$container.is(".media-asset-container-fit-height");
-  }
-
-  get $image() {
-    return this.$component.find(".media-asset-image");
-  }
-
-  get $zoomLevel() {
-    return this.$component.find(".media-asset-zoom-level");
+    return !this.$component.is(".media-asset-component-fit-height.media-asset-component-fit-width");
   }
 }
 

app/javascript/src/styles/common/utilities.scss

@@ -47,6 +47,7 @@ $spacer: 0.25rem; /* 4px */
 
 .overflow-auto { overflow: auto; }
 .overflow-hidden { overflow: hidden; }
+.overflow-x-hidden { overflow-x: hidden; }
 
 .break-all { word-break: break-all; overflow-wrap: anywhere; }
 .break-words { word-break: break-word; overflow-wrap: anywhere; }

app/views/media_assets/show.html.erb

@@ -1,7 +1,7 @@
 <div id="c-media-assets">
   <div id="a-show">
     <div class="md:flex flex-row gap-4">
-      <div class="flex-1 w-full">
+      <div class="flex-1 w-full min-w-0">
         <%= render MediaAssetComponent.new(media_asset: @media_asset, current_user: CurrentUser.user, outer_classes: "sticky h-full relative top-0", inner_classes: "mx-auto", dynamic_height: true) do |component| %>
           <% component.with_header do %>
             <div class="paginator top-0 w-full z-10">