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mirror of https://github.com/kokonect-link/cherrypick synced 2024-12-17 08:09:14 +09:00
cherrypick/packages/frontend/src/components/global/MkStickyContainer.vue
2023-06-01 10:16:23 +09:00

129 lines
3.7 KiB
Vue

<template>
<div ref="rootEl">
<div ref="headerEl" :class="[$style.root, {[$style.reduceAnimation]: !defaultStore.state.animation, [$style.showEl]: showEl && isMobile && isAllowHideHeader && mainRouter.currentRoute.value.name !== 'index', [$style.showElTl]: showEl && isMobile && isAllowHideHeader && mainRouter.currentRoute.value.name === 'index' }]">
<slot name="header"></slot>
</div>
<div ref="bodyEl" :data-sticky-container-header-height="headerHeight">
<slot></slot>
</div>
<div ref="footerEl">
<slot name="footer"></slot>
</div>
</div>
</template>
<script lang="ts" setup>
import { onMounted, onUnmounted, provide, inject, Ref, ref, watch } from 'vue';
import { $$ } from 'vue/macros';
import { CURRENT_STICKY_BOTTOM, CURRENT_STICKY_TOP } from '@/const';
import { deviceKind } from '@/scripts/device-kind';
import { mainRouter } from '@/router';
import { defaultStore } from '@/store';
import { eventBus } from '@/scripts/cherrypick/eventBus';
const isAllowHideHeader = ref(mainRouter.currentRoute.value.name === 'index' || mainRouter.currentRoute.value.name === 'explore' || mainRouter.currentRoute.value.name === 'my-notifications' || mainRouter.currentRoute.value.name === 'my-favorites');
const MOBILE_THRESHOLD = 500;
const isMobile = ref(deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD);
window.addEventListener('resize', () => {
isMobile.value = deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD;
});
let showEl = $ref(false);
const rootEl = $shallowRef<HTMLElement>();
const headerEl = $shallowRef<HTMLElement>();
const footerEl = $shallowRef<HTMLElement>();
const bodyEl = $shallowRef<HTMLElement>();
let headerHeight = $ref<string | undefined>();
let childStickyTop = $ref(0);
const parentStickyTop = inject<Ref<number>>(CURRENT_STICKY_TOP, ref(0));
provide(CURRENT_STICKY_TOP, $$(childStickyTop));
let footerHeight = $ref<string | undefined>();
let childStickyBottom = $ref(0);
const parentStickyBottom = inject<Ref<number>>(CURRENT_STICKY_BOTTOM, ref(0));
provide(CURRENT_STICKY_BOTTOM, $$(childStickyBottom));
const calc = () => {
// コンポーネントが表示されてないけどKeepAliveで残ってる場合などは null になる
if (headerEl != null) {
childStickyTop = parentStickyTop.value + headerEl.offsetHeight;
headerHeight = headerEl.offsetHeight.toString();
}
// コンポーネントが表示されてないけどKeepAliveで残ってる場合などは null になる
if (footerEl != null) {
childStickyBottom = parentStickyBottom.value + footerEl.offsetHeight;
footerHeight = footerEl.offsetHeight.toString();
}
};
const observer = new ResizeObserver(() => {
window.setTimeout(() => {
calc();
}, 100);
});
onMounted(() => {
calc();
watch([parentStickyTop, parentStickyBottom], calc);
watch($$(childStickyTop), () => {
bodyEl.style.setProperty('--stickyTop', `${childStickyTop}px`);
}, {
immediate: true,
});
watch($$(childStickyBottom), () => {
bodyEl.style.setProperty('--stickyBottom', `${childStickyBottom}px`);
}, {
immediate: true,
});
headerEl.style.position = 'sticky';
headerEl.style.top = 'var(--stickyTop, 0)';
headerEl.style.zIndex = '1000';
footerEl.style.position = 'sticky';
footerEl.style.bottom = 'var(--stickyBottom, 0)';
footerEl.style.zIndex = '1000';
observer.observe(headerEl);
observer.observe(footerEl);
eventBus.on('showEl', (showEl_receive) => {
showEl = showEl_receive;
});
});
onUnmounted(() => {
observer.disconnect();
});
defineExpose({
rootEl: $$(rootEl),
});
</script>
<style lang="scss" module>
.root {
transition: opacity 0.5s, transform 0.5s;
&.reduceAnimation {
transition: opacity 0s, transform 0s;
}
&.showEl {
transform: translateY(-50.55px);
}
&.showElTl {
transform: translateY(-90.55px);
}
}
</style>