Queue media preview (#449)

* output url

* Basic image previews

* Split out task item component

* Move task actions to context menu

* simplify

* Move spinner

* Lift context menu to tab scope

* Better tag

* Fix placeholder style

* nit

* Correctly handle cancelled

* nit

* Split out result item as separate component

* nit

* Fix center crop

* nit

* Simplify task item

* Flat list

* Show prompt id

* Make image draggable

* Disable preview for dragging

* Fix key

* Correctly handle task in expanded view

* Add preview

src/components/sidebar/tabs/queue/ResultItem.vue

@@ -0,0 +1,81 @@
+<template>
+  <div class="result-container" ref="resultContainer">
+    <Image
+      v-if="result.mediaType === 'images'"
+      :src="result.url"
+      alt="Task Output"
+      width="100%"
+      height="100%"
+      preview
+      :pt="{ previewMask: { class: 'image-preview-mask' } }"
+    />
+    <!-- TODO: handle more media types -->
+    <div v-else class="task-result-preview">
+      <i class="pi pi-file"></i>
+      <span>{{ result.mediaType }}</span>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ResultItemImpl } from '@/stores/queueStore'
+import Image from 'primevue/image'
+import { onMounted, ref } from 'vue'
+
+const props = defineProps<{
+  result: ResultItemImpl
+}>()
+
+const resultContainer = ref<HTMLElement | null>(null)
+
+onMounted(() => {
+  if (props.result.mediaType === 'images') {
+    resultContainer.value.querySelectorAll('img').forEach((img) => {
+      img.draggable = true
+    })
+  }
+})
+</script>
+
+<style scoped>
+.result-container {
+  aspect-ratio: 1 / 1;
+  overflow: hidden;
+}
+
+:deep(img) {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.p-image-preview {
+  position: static;
+  display: contents;
+}
+
+:deep(.image-preview-mask) {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: auto;
+  height: auto;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  padding: 10px;
+  cursor: pointer;
+  background: rgba(0, 0, 0, 0.5);
+  color: var(--p-image-preview-mask-color);
+  transition:
+    opacity var(--p-image-transition-duration),
+    background var(--p-image-transition-duration);
+  border-radius: 50%;
+}
+</style>