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viewer: refactor preloading 

Signed-off-by: Varun Patil <radialapps@gmail.com>
pull/900/head
Varun Patil 2023-10-28 01:01:05 -07:00
parent e13e9cb37b
commit 18b8a5404f
1 changed files with 13 additions and 21 deletions
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34
src/components/viewer/Viewer.vue
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@ -397,10 +397,6 @@ export default defineComponent({
},
methods: {
fetchDay(dayId: number) {
utils.bus.emit('memories:timeline:fetch-day', dayId);
},
updateLoading(delta: number) {
this.loading += delta;
},
@ -722,23 +718,21 @@ export default defineComponent({
const photo = this.list[idx];
// Something went really wrong
if (!photo) {
return {};
}
if (!photo) return {};
// Get index of current day in dayIds lisst
const dayIdx = utils.binarySearch(this.dayIds, photo.dayid);
// Preload next and previous 3 days
const dayIdx = utils.binarySearch(this.dayIds, photo.dayid);
const preload = (idx: number) => {
if (idx > 0 && idx < this.dayIds.length && !this.days.get(this.dayIds[idx])?.detail) {
this.fetchDay(this.dayIds[idx]);
for (let idx = dayIdx - 3; idx <= dayIdx + 3; idx++) {
if (idx < 0 || idx >= this.dayIds.length || idx === dayIdx) continue;
const day = this.days.get(this.dayIds[idx]);
if (day && !day?.detail) {
// duplicate requests are skipped by Timeline
utils.bus.emit('memories:timeline:fetch-day', day.dayid);
}
};
preload(dayIdx - 1);
preload(dayIdx - 2);
preload(dayIdx - 3);
preload(dayIdx + 1);
preload(dayIdx + 2);
preload(dayIdx + 3);
}
// Get thumb image
const thumbSrc: string =
@ -764,9 +758,7 @@ export default defineComponent({
if (thumb && this.fullyOpened) {
const rect = thumb.getBoundingClientRect();
if (rect.bottom < 50 || rect.top > _m.window.innerHeight - 50) {
thumb.scrollIntoView({
block: 'center',
});
thumb.scrollIntoView({ block: 'center' });
}
}