src/frontend/Index.svelte

<svelte:options accessors={true} />

<script lang="ts">
	import type { Gradio, ShareData } from "@gradio/utils";

	import type { FileData } from "@gradio/client";
	import type { LoadingStatus } from "@gradio/statustracker";

	import StaticAudio from "./static/StaticAudio.svelte";
	import InteractiveAudio from "./interactive/InteractiveAudio.svelte";
	import { StatusTracker } from "@gradio/statustracker";
	import { Block, UploadText } from "@gradio/atoms";
	import type { WaveformOptions } from "./shared/types";
	import { normalise_file } from "@gradio/client";

	export let elem_id = "";
	export let elem_classes: string[] = [];
	export let visible = true;
	export let interactive: boolean;
	export let value: null | FileData = null;
	export let sources:
		| ["microphone"]
		| ["upload"]
		| ["microphone", "upload"]
		| ["upload", "microphone"];
	export let image: string | FileData | null = null;
	export let label: string;
	export let root: string;
	export let show_label: boolean;
	export let proxy_url: null | string;
	export let container = true;
	export let scale: number | null = null;
	export let min_width: number | undefined = undefined;
	export let loading_status: LoadingStatus;
	export let autoplay = false;
	export let show_download_button = true;
	export let show_share_button = false;
	export let waveform_options: WaveformOptions = {};
	export let pending: boolean;
	export let streaming: boolean;
	export let gradio: Gradio<{
		change: typeof value;
		stream: typeof value;
		error: string;
		warning: string;
		edit: never;
		play: never;
		pause: never;
		stop: never;
		end: never;
		start_recording: never;
		pause_recording: never;
		stop_recording: typeof value;
		upload: never;
		clear: never;
		share: ShareData;
	}>;

	let old_value: null | FileData | string = null;
	let _value: null | FileData;
	$: _value = normalise_file(value, root, proxy_url);

	let active_source: "microphone" | "upload";

	let initial_value: null | FileData = value;

	$: if (value && initial_value === null) {
		initial_value = value;
	}

	const handle_reset_value = (): void => {
		if (initial_value === null || value === initial_value) {
			return;
		}

		value = initial_value;
	};


	$: {
		if (JSON.stringify(value) !== JSON.stringify(old_value)) {
			old_value = value;
			gradio.dispatch("change");
		}
	}

	let dragging: boolean;

	$: if (sources) {
		active_source = sources[0];
	}

	const waveform_settings = {
		height: 50,
		waveColor: waveform_options.waveform_color || "#9ca3af",
		progressColor: waveform_options.waveform_progress_color || "#f97316",
		barWidth: 2,
		barGap: 3,
		barHeight: 4,
		cursorWidth: 2,
		cursorColor: "#ddd5e9",
		autoplay: autoplay,
		barRadius: 10,
		dragToSeek: true,
		mediaControls: waveform_options.show_controls
	};

	function handle_error({ detail }: CustomEvent<string>): void {
		const [level, status] = detail.includes("Invalid file type")
			? ["warning", "complete"]
			: ["error", "error"];
		loading_status = loading_status || {};
		loading_status.status = status as LoadingStatus["status"];
		loading_status.message = detail;
		gradio.dispatch(level as "error" | "warning", detail);
	}
</script>

{#if value !== null && !streaming}
	<StatusTracker
	autoscroll={gradio.autoscroll}
	i18n={gradio.i18n}
	{...loading_status}
	/>
	<StaticAudio
		i18n={gradio.i18n}
		{image}
		{show_label}
		{show_download_button}
		{show_share_button}
		value={_value}
		{label}
		{root}
		{proxy_url}
		{waveform_settings}
		on:share={(e) => gradio.dispatch("share", e.detail)}
		on:error={(e) => gradio.dispatch("error", e.detail)}
		on:end={() => gradio.dispatch("end")}
	/>
{:else}
	<InteractiveAudio
		{label}
		{show_label}
		value={_value}
		on:change={({ detail }) => (value = detail)}
		on:stream={({ detail }) => {
			value = detail;
			gradio.dispatch("stream", value);
		}}
		on:drag={({ detail }) => (dragging = detail)}
		{root}
		{sources}
		{active_source}
		{pending}
		{streaming}
		{handle_reset_value}
		bind:dragging
		on:edit={() => gradio.dispatch("edit")}
		on:play={() => gradio.dispatch("play")}
		on:pause={() => gradio.dispatch("pause")}
		on:stop={() => gradio.dispatch("stop")}
		on:end={() => gradio.dispatch("end")}
		on:start_recording={() => gradio.dispatch("start_recording")}
		on:pause_recording={() => gradio.dispatch("pause_recording")}
		on:stop_recording={(e) => gradio.dispatch("stop_recording", e.detail)}
		on:upload={() => gradio.dispatch("upload")}
		on:clear={() => gradio.dispatch("clear")}
		on:error={handle_error}
		i18n={gradio.i18n}
		{waveform_settings}
	>
	</InteractiveAudio>
{/if}