fix for #411
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@@ -24,6 +24,7 @@ export default class Chat extends Component {
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this.scrollableMessagesContainer = createRef();
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this.scrollableMessagesContainer = createRef();
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this.websocket = null;
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this.websocket = null;
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this.receivedFirstMessages = false;
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this.getChatHistory = this.getChatHistory.bind(this);
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this.getChatHistory = this.getChatHistory.bind(this);
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this.receivedWebsocketMessage = this.receivedWebsocketMessage.bind(this);
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this.receivedWebsocketMessage = this.receivedWebsocketMessage.bind(this);
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@@ -181,8 +182,8 @@ export default class Chat extends Component {
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checkShouldScroll() {
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checkShouldScroll() {
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const { scrollTop, scrollHeight, clientHeight } = this.scrollableMessagesContainer.current;
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const { scrollTop, scrollHeight, clientHeight } = this.scrollableMessagesContainer.current;
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const fullyScrolled = scrollHeight - clientHeight;
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const fullyScrolled = scrollHeight - clientHeight;
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const shoudlScroll = scrollHeight >= clientHeight && fullyScrolled - scrollTop < MESSAGE_JUMPTOBOTTOM_BUFFER;
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const shouldScroll = scrollHeight >= clientHeight && fullyScrolled - scrollTop < MESSAGE_JUMPTOBOTTOM_BUFFER;
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return shoudlScroll;
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return shouldScroll;
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}
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}
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handleWindowResize() {
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handleWindowResize() {
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@@ -195,8 +196,13 @@ export default class Chat extends Component {
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if (numMutations) {
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if (numMutations) {
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const item = mutations[numMutations - 1];
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const item = mutations[numMutations - 1];
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if (item.type === 'childList' && item.addedNodes.length) {
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if (item.type === 'childList' && item.addedNodes.length) {
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if (this.newMessagesReceived || this.checkShouldScroll()) {
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if (this.newMessagesReceived) {
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this.scrollToBottom();
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if (!this.receivedFirstMessages) {
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this.scrollToBottom();
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this.receivedFirstMessages = true;
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} else if (this.checkShouldScroll()) {
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this.scrollToBottom();
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}
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this.newMessagesReceived = false;
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this.newMessagesReceived = false;
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}
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}
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}
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}
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