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Some scroll fixes

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This commit is contained in:
Pavel Djundik 2018-07-13 22:53:30 +03:00 committed by Pavel Djundik
parent f4b4cfdee2
commit 4b5252d285
1 changed files with 13 additions and 12 deletions
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25
client/components/MessageList.vue
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@ -116,6 +116,7 @@ export default {
},
watch: {
"channel.messages"() {
this.scrolledToBottom = true;
this.keepScrollPosition();
},
},
@ -131,13 +132,17 @@ export default {
});
}
this.scrolledToBottom = true;
this.$refs.chat.scrollTop = this.$refs.chat.scrollHeight;
});
},
mounted() {
this.scrolledToBottom = true;
window.addEventListener("resize", debounce(this.handleResize, 50), {passive: true});
this.$refs.chat.addEventListener("scroll", debounce(this.handleScroll, 50), {passive: true});
this.debouncedResize = debounce(this.handleResize, 50);
this.debouncedScroll = debounce(this.handleScroll, 50)
window.addEventListener("resize", this.debouncedResize, {passive: true});
this.$refs.chat.addEventListener("scroll", this.debouncedScroll, {passive: true});
this.$nextTick(() => {
if (this.historyObserver) {
this.historyObserver.observe(this.$refs.loadMoreButton);
@ -145,8 +150,8 @@ export default {
});
},
beforeDestroy() {
window.removeEventListener("resize", this.handleResize);
this.$refs.chat.removeEventListener("scroll", this.handleScroll);
window.removeEventListener("resize", this.debouncedResize);
this.$refs.chat.removeEventListener("scroll", this.debouncedScroll);
},
destroyed() {
if (this.historyObserver) {
@ -219,7 +224,7 @@ export default {
return;
}
if (el.scrollHeight - el.scrollTop - el.offsetHeight > 30) {
if (!this.scrolledToBottom) {
if (this.channel.historyLoading) {
const heightOld = el.scrollHeight - el.scrollTop;
@ -246,17 +251,13 @@ export default {
return;
}
this.scrolledToBottom = !(el.scrollHeight - el.scrollTop - el.offsetHeight > 30);
this.scrolledToBottom = el.scrollHeight - el.scrollTop - el.offsetHeight <= 30;
},
handleResize() {
// Keep message list scrolled to bottom on resize
const el = this.$refs.chat;
if (!el) {
return;
}
if (this.scrolledToBottom) {
if (el && this.scrolledToBottom) {
this.$nextTick(() => {
el.scrollTop = el.scrollHeight;
});