1 files changed, 159 insertions, 0 deletions
diff --git a/packages/frontend/src/widgets/WidgetSlideshow.vue b/packages/frontend/src/widgets/WidgetSlideshow.vue
new file mode 100644
index 0000000000..2c937d85c5
--- /dev/null
+++ b/packages/frontend/src/widgets/WidgetSlideshow.vue
@@ -0,0 +1,159 @@
+<template>
+<div class="kvausudm _panel mkw-slideshow" :style="{ height: widgetProps.height + 'px' }">
+	<div @click="choose">
+		<p v-if="widgetProps.folderId == null">
+			{{ i18n.ts.folder }}
+		</p>
+		<p v-if="widgetProps.folderId != null && images.length === 0 && !fetching">{{ $t('no-image') }}</p>
+		<div ref="slideA" class="slide a"></div>
+		<div ref="slideB" class="slide b"></div>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { nextTick, onMounted, onUnmounted, reactive, ref, shallowRef } from 'vue';
+import { useWidgetPropsManager, Widget, WidgetComponentEmits, WidgetComponentExpose, WidgetComponentProps } from './widget';
+import { GetFormResultType } from '@/scripts/form';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import { i18n } from '@/i18n';
+
+const name = 'slideshow';
+
+const widgetPropsDef = {
+	height: {
+		type: 'number' as const,
+		default: 300,
+	},
+	folderId: {
+		type: 'string' as const,
+		default: null,
+		hidden: true,
+	},
+};
+
+type WidgetProps = GetFormResultType<typeof widgetPropsDef>;
+
+// 現時点ではvueの制限によりimportしたtypeをジェネリックに渡せない
+//const props = defineProps<WidgetComponentProps<WidgetProps>>();
+//const emit = defineEmits<WidgetComponentEmits<WidgetProps>>();
+const props = defineProps<{ widget?: Widget<WidgetProps>; }>();
+const emit = defineEmits<{ (ev: 'updateProps', props: WidgetProps); }>();
+
+const { widgetProps, configure, save } = useWidgetPropsManager(name,
+	widgetPropsDef,
+	props,
+	emit,
+);
+
+const images = ref([]);
+const fetching = ref(true);
+const slideA = shallowRef<HTMLElement>();
+const slideB = shallowRef<HTMLElement>();
+
+const change = () => {
+	if (images.value.length === 0) return;
+
+	const index = Math.floor(Math.random() * images.value.length);
+	const img = `url(${ images.value[index].url })`;
+
+	slideB.value.style.backgroundImage = img;
+
+	slideB.value.classList.add('anime');
+	window.setTimeout(() => {
+		// 既にこのウィジェットがunmountされていたら要素がない
+		if (slideA.value == null) return;
+
+		slideA.value.style.backgroundImage = img;
+
+		slideB.value.classList.remove('anime');
+	}, 1000);
+};
+
+const fetch = () => {
+	fetching.value = true;
+
+	os.api('drive/files', {
+		folderId: widgetProps.folderId,
+		type: 'image/*',
+		limit: 100,
+	}).then(res => {
+		images.value = res;
+		fetching.value = false;
+		slideA.value.style.backgroundImage = '';
+		slideB.value.style.backgroundImage = '';
+		change();
+	});
+};
+
+const choose = () => {
+	os.selectDriveFolder(false).then(folder => {
+		if (folder == null) {
+			return;
+		}
+		widgetProps.folderId = folder.id;
+		save();
+		fetch();
+	});
+};
+
+useInterval(change, 10000, {
+	immediate: false,
+	afterMounted: true,
+});
+
+onMounted(() => {
+	if (widgetProps.folderId != null) {
+		fetch();
+	}
+});
+
+defineExpose<WidgetComponentExpose>({
+	name,
+	configure,
+	id: props.widget ? props.widget.id : null,
+});
+</script>
+
+<style lang="scss" scoped>
+.kvausudm {
+	position: relative;
+
+	> div {
+		width: 100%;
+		height: 100%;
+		cursor: pointer;
+
+		> p {
+			display: block;
+			margin: 1em;
+			text-align: center;
+			color: #888;
+		}
+
+		> * {
+			pointer-events: none;
+		}
+
+		> .slide {
+			position: absolute;
+			top: 0;
+			left: 0;
+			width: 100%;
+			height: 100%;
+			background-size: cover;
+			background-position: center;
+
+			&.b {
+				opacity: 0;
+			}
+
+			&.anime {
+				transition: opacity 1s;
+				opacity: 1;
+			}
+		}
+	}
+}
+</style>