Redesign pending bubble in Chatbot (#10099)

* redesign pending bubble in chatbot

* add changeset

* add minwidth to image frame

* add changeset

* adjust bubble margin for avatars

* ensure iconbuttonwrapper doesnt get cut off

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

Author: hannahblair

.changeset/purple-rivers-cry.md

@@ -0,0 +1,7 @@
+---
+"@gradio/chatbot": minor
+"@gradio/image": minor
+"gradio": minor
+---
+
+feat:Redesign pending bubble in Chatbot

js/chatbot/shared/ChatBot.svelte

@@ -355,7 +355,7 @@
 				/>
 			{/each}
 			{#if pending_message}
-				<Pending {layout} />
+				<Pending {layout} {avatar_images} />
 			{:else}
 				{@const options = get_last_bot_options()}
 				{#if options}

js/chatbot/shared/Pending.svelte

@@ -1,60 +1,129 @@
 <script lang="ts">
+	import { Image } from "@gradio/image/shared";
+	import type { FileData } from "@gradio/client";
+
 	export let layout = "bubble";
+	export let avatar_images: [FileData | null, FileData | null] = [null, null];
 </script>
 
-<div
-	class="message pending"
-	role="status"
-	aria-label="Loading response"
-	aria-live="polite"
-	style:border-radius={layout === "bubble" ? "var(--radius-xxl)" : "none"}
->
-	<span class="sr-only">Loading content</span>
-	<div class="dot-flashing" />
-	&nbsp;
-	<div class="dot-flashing" />
-	&nbsp;
-	<div class="dot-flashing" />
+<div class="container">
+	{#if avatar_images[1] !== null}
+		<div class="avatar-container">
+			<Image class="avatar-image" src={avatar_images[1].url} alt="bot avatar" />
+		</div>
+	{/if}
+
+	<div
+		class="message bot pending {layout}"
+		class:with_avatar={avatar_images[1] !== null}
+		class:with_opposite_avatar={avatar_images[0] !== null}
+		role="status"
+		aria-label="Loading response"
+		aria-live="polite"
+	>
+		<div class="message-content">
+			<span class="sr-only">Loading content</span>
+			<div class="dots">
+				<div class="dot" />
+				<div class="dot" />
+				<div class="dot" />
+			</div>
+		</div>
+	</div>
 </div>
 
 <style>
-	.pending {
-		background: var(--color-accent-soft);
+	.container {
 		display: flex;
-		flex-direction: row;
-		justify-content: center;
-		align-items: center;
-		align-self: center;
-		gap: 2px;
+		margin: calc(var(--spacing-xl) * 2);
+	}
+
+	.bubble.pending {
+		border-width: 1px;
+		border-radius: var(--radius-lg);
+		border-bottom-left-radius: 0;
+		border-color: var(--border-color-primary);
+		background-color: var(--background-fill-secondary);
+		box-shadow: var(--shadow-drop);
+		align-self: flex-start;
+		width: fit-content;
+		margin-bottom: var(--spacing-xl);
+	}
+
+	.bubble.with_opposite_avatar {
+		margin-right: calc(var(--spacing-xxl) + 35px + var(--spacing-xxl));
+	}
+
+	.panel.pending {
+		margin: 0;
+		padding: calc(var(--spacing-lg) * 2) calc(var(--spacing-lg) * 2);
 		width: 100%;
-		height: var(--size-16);
+		border: none;
+		background: none;
+		box-shadow: none;
+		border-radius: 0;
 	}
-	.dot-flashing {
-		animation: flash 1s infinite ease-in-out;
-		border-radius: 5px;
+
+	.panel.with_avatar {
+		padding-left: calc(var(--spacing-xl) * 2) !important;
+		padding-right: calc(var(--spacing-xl) * 2) !important;
+	}
+
+	.avatar-container {
+		align-self: flex-start;
+		position: relative;
+		display: flex;
+		justify-content: flex-start;
+		align-items: flex-start;
+		width: 35px;
+		height: 35px;
+		flex-shrink: 0;
+		bottom: 0;
+		border-radius: 50%;
+		border: 1px solid var(--border-color-primary);
+		margin-right: var(--spacing-xxl);
+	}
+
+	.message-content {
+		padding: var(--spacing-sm) var(--spacing-xl);
+		min-height: var(--size-8);
+		display: flex;
+		align-items: center;
+	}
+
+	.dots {
+		display: flex;
+		gap: var(--spacing-xs);
+		align-items: center;
+	}
+
+	.dot {
+		width: var(--size-1-5);
+		height: var(--size-1-5);
+		margin-right: var(--spacing-xs);
+		border-radius: 50%;
 		background-color: var(--body-text-color);
-		width: 7px;
-		height: 7px;
-		color: var(--body-text-color);
+		opacity: 0.5;
+		animation: pulse 1.5s infinite;
+	}
+
+	.dot:nth-child(2) {
+		animation-delay: 0.2s;
 	}
-	@keyframes flash {
+
+	.dot:nth-child(3) {
+		animation-delay: 0.4s;
+	}
+
+	@keyframes pulse {
 		0%,
 		100% {
-			opacity: 0;
+			opacity: 0.4;
+			transform: scale(1);
 		}
 		50% {
 			opacity: 1;
+			transform: scale(1.1);
 		}
 	}
-
-	.dot-flashing:nth-child(1) {
-		animation-delay: 0s;
-	}
-
-	.dot-flashing:nth-child(2) {
-		animation-delay: 0.33s;
-	}
-	.dot-flashing:nth-child(3) {
-		animation-delay: 0.66s;
-	}
 </style>

js/image/shared/ImagePreview.svelte

@@ -116,6 +116,7 @@
 	.image-container {
 		height: 100%;
 		position: relative;
+		min-width: var(--size-20);
 	}
 
 	.image-container button {