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Scroll to last bubble on its update

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This commit is contained in:
Eduard Kuzmenko 2021-05-12 23:56:34 +04:00
parent 094ec4c858
commit 515aea4e35
1 changed files with 12 additions and 5 deletions
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17
src/components/chat/bubbles.ts
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@ -189,7 +189,7 @@ export default class ChatBubbles {
//this.log('history_update', this.bubbles[mid], mid, message); //this.log('history_update', this.bubbles[mid], mid, message);
if(this.scrollingToNewBubble) { if(this.scrollingToNewBubble) {
this.scrollToNewLastBubble(); this.scrollToBubbleEnd();
} }
//this.renderMessage(message, false, false, bubble); //this.renderMessage(message, false, false, bubble);
@ -280,6 +280,7 @@ export default class ChatBubbles {
if(message.media?.webpage && !bubble.querySelector('.web')) { if(message.media?.webpage && !bubble.querySelector('.web')) {
getHeavyAnimationPromise().then(() => { getHeavyAnimationPromise().then(() => {
this.renderMessage(message, true, false, bubble, false); this.renderMessage(message, true, false, bubble, false);
this.scrollToBubbleIfLast(bubble);
}); });
/* const mounted = this.getMountedBubble(mid); /* const mounted = this.getMountedBubble(mid);
if(!mounted) return; if(!mounted) return;
@ -332,6 +333,7 @@ export default class ChatBubbles {
const updatePosition = this.chat.type === 'scheduled'; const updatePosition = this.chat.type === 'scheduled';
this.renderMessage(mounted.message, true, false, mounted.bubble, updatePosition); this.renderMessage(mounted.message, true, false, mounted.bubble, updatePosition);
this.scrollToBubbleIfLast(mounted.bubble);
if(updatePosition) { if(updatePosition) {
(this.messagesQueuePromise || Promise.resolve()).then(() => { (this.messagesQueuePromise || Promise.resolve()).then(() => {
@ -1249,7 +1251,7 @@ export default class ChatBubbles {
//this.log('renderNewMessagesByIDs: messagesQueuePromise after', this.scrollable.isScrolledDown); //this.log('renderNewMessagesByIDs: messagesQueuePromise after', this.scrollable.isScrolledDown);
//this.scrollable.scrollTo(this.scrollable.scrollHeight, 'top', true, true, 5000); //this.scrollable.scrollTo(this.scrollable.scrollHeight, 'top', true, true, 5000);
//const bubble = this.bubbles[Math.max(...mids)]; //const bubble = this.bubbles[Math.max(...mids)];
this.scrollToNewLastBubble(); this.scrollToBubbleEnd();
//this.scrollable.scrollIntoViewNew(this.chatInner, 'end'); //this.scrollable.scrollIntoViewNew(this.chatInner, 'end');
@ -1281,9 +1283,7 @@ export default class ChatBubbles {
return this.scrollable.scrollIntoViewNew(element, position, 4, undefined, forceDirection, forceDuration); return this.scrollable.scrollIntoViewNew(element, position, 4, undefined, forceDirection, forceDuration);
} }
public scrollToNewLastBubble() { public scrollToBubbleEnd(bubble = this.chatInner.lastElementChild.lastElementChild as HTMLElement) {
const bubble = this.chatInner.lastElementChild.lastElementChild as HTMLElement;
/* if(DEBUG) { /* if(DEBUG) {
this.log('scrollToNewLastBubble: will scroll into view:', bubble); this.log('scrollToNewLastBubble: will scroll into view:', bubble);
} */ } */
@ -1296,6 +1296,13 @@ export default class ChatBubbles {
} }
} }
public scrollToBubbleIfLast(bubble: HTMLElement) {
if(bubble.parentElement.lastElementChild === bubble &&
bubble.parentElement.parentElement.lastElementChild === bubble.parentElement) {
this.scrollToBubbleEnd(bubble);
}
}
public highlightBubble(element: HTMLElement) { public highlightBubble(element: HTMLElement) {
const datasetKey = 'highlightTimeout'; const datasetKey = 'highlightTimeout';
if(element.dataset[datasetKey]) { if(element.dataset[datasetKey]) {