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UI: improves remove channel animation (#23585)
Co-authored-by: chapoi <101828855+chapoi@users.noreply.github.com>
This commit is contained in:
Joffrey JAFFEUX
@ -15,11 +15,10 @@ import I18n from "I18n";
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import { modifier } from "ember-modifier";
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import { bind } from "discourse-common/utils/decorators";
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import { tracked } from "@glimmer/tracking";
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import discourseLater from "discourse-common/lib/later";
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import { cancel } from "@ember/runloop";
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import { popupAjaxError } from "discourse/lib/ajax-error";
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import icon from "discourse-common/helpers/d-icon";
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import { htmlSafe } from "@ember/template";
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const RESET_CLASS = "-reset";
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const FADEOUT_CLASS = "-fade-out";
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export default class ChatChannelRow extends Component {
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@ -40,94 +39,109 @@ export default class ChatChannelRow extends Component {
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data-chat-channel-id={{@channel.id}}
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{{didInsert this.startTrackingStatus}}
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{{willDestroy this.stopTrackingStatus}}
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{{(if this.shouldHandleSwipe (modifier this.registerSwipableRow))}}
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{{(if this.shouldHandleSwipe (modifier this.handleSwipe))}}
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{{(if this.shouldRemoveChannel (modifier this.onRemoveChannel))}}
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{{(if this.shouldResetRow (modifier this.onResetRow))}}
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>
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<ChatChannelTitle @channel={{@channel}} />
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<ChatChannelMetadata @channel={{@channel}} @unreadIndicator={{true}} />
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<div
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class={{concatClass
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"chat-channel-row__content"
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(if this.shouldReset "-animate-reset")
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}}
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{{(if this.shouldHandleSwipe (modifier this.registerSwipableRow))}}
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{{(if this.shouldHandleSwipe (modifier this.handleSwipe))}}
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{{(if this.shouldReset (modifier this.onReset))}}
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style={{this.rowStyle}}
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>
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<ChatChannelTitle @channel={{@channel}} />
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<ChatChannelMetadata @channel={{@channel}} @unreadIndicator={{true}} />
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{{#if
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(and @options.leaveButton @channel.isFollowing this.site.desktopView)
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}}
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<ToggleChannelMembershipButton
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@channel={{@channel}}
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@options={{hash
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leaveClass="btn-flat chat-channel-leave-btn"
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labelType="none"
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leaveIcon="times"
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leaveTitle=(if
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@channel.isDirectMessageChannel
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this.leaveDirectMessageLabel
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this.leaveChannelLabel
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)
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}}
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/>
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{{/if}}
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{{#if
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(and @options.leaveButton @channel.isFollowing this.site.desktopView)
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}}
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<ToggleChannelMembershipButton
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@channel={{@channel}}
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@options={{hash
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leaveClass="btn-flat chat-channel-leave-btn"
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labelType="none"
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leaveIcon="times"
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leaveTitle=(if
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@channel.isDirectMessageChannel
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this.leaveDirectMessageLabel
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this.leaveChannelLabel
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)
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}}
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/>
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{{/if}}
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</div>
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{{#if this.shouldHandleSwipe}}
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{{#if this.showRemoveButton}}
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<div
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class={{concatClass
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"chat-channel-row__action-btn"
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(if this.isCancelling "-cancel" "-leave")
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(if this.isAtThreshold "-at-threshold" "-not-at-threshold")
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}}
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{{this.registerActionButton}}
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{{this.positionActionButton}}
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>
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{{#if this.isCancelling}}
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{{this.cancelActionLabel}}
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{{else}}
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{{this.removeActionLabel}}
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{{/if}}
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{{icon "times-circle"}}
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</div>
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{{/if}}
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</LinkTo>
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</template>
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@service router;
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@service chat;
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@service capabilities;
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@service currentUser;
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@service site;
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@service api;
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@service capabilities;
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@service chat;
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@service currentUser;
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@service router;
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@service site;
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@tracked isAtThreshold = false;
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@tracked shouldRemoveChannel = false;
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@tracked hasReachedThreshold = false;
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@tracked isCancelling = false;
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@tracked shouldResetRow = false;
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@tracked actionButton;
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@tracked swipableRow;
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positionActionButton = modifier((element) => {
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element.style.left = "100%";
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});
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registerActionButton = modifier((element) => {
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this.actionButton = element;
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});
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@tracked showRemoveButton = false;
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@tracked swipableRow = null;
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@tracked shouldReset = false;
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@tracked diff = 0;
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@tracked rowStyle = null;
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@tracked canSwipe = true;
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registerSwipableRow = modifier((element) => {
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this.swipableRow = element;
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});
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onRemoveChannel = modifier(() => {
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this.swipableRow.classList.add(FADEOUT_CLASS);
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onReset = modifier((element) => {
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const handler = () => {
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this.rowStyle = htmlSafe("margin-right: 0px;");
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this.showRemoveButton = false;
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this.shouldReset = false;
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};
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const handler = discourseLater(() => {
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this.chat.unfollowChannel(this.args.channel).catch(popupAjaxError);
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}, 250);
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element.addEventListener("transitionend", handler, { once: true });
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return () => {
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cancel(handler);
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element.removeEventListener("transitionend", handler);
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this.rowStyle = htmlSafe("margin-right: 0px;");
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this.showRemoveButton = false;
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this.shouldReset = false;
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};
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});
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onRemoveChannel = modifier((element) => {
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element.addEventListener(
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"transitionend",
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() => {
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this.chat.unfollowChannel(this.args.channel).catch(popupAjaxError);
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},
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{ once: true }
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);
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element.classList.add(FADEOUT_CLASS);
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});
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handleSwipe = modifier((element) => {
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element.addEventListener("touchstart", this.onSwipeStart, {
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passive: true,
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});
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element.addEventListener("touchmove", this.onSwipe);
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element.addEventListener("touchmove", this.onSwipe, {
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passive: true,
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});
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element.addEventListener("touchend", this.onSwipeEnd);
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return () => {
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@ -137,93 +151,49 @@ export default class ChatChannelRow extends Component {
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};
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});
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onResetRow = modifier(() => {
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this.swipableRow.classList.add(RESET_CLASS);
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this.swipableRow.style.left = "0px";
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const handler = discourseLater(() => {
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this.isCancelling = false;
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this.hasReachedThreshold = false;
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this.shouldResetRow = false;
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this.swipableRow.classList.remove(RESET_CLASS);
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}, 250);
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return () => {
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cancel(handler);
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this.swipableRow.classList.remove(RESET_CLASS);
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};
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});
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_lastX = null;
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_towardsThreshold = false;
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@bind
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onSwipeStart(event) {
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this.hasReachedThreshold = false;
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this.isCancelling = false;
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this._lastX = this.initialX = event.changedTouches[0].screenX;
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this._initialX = event.changedTouches[0].screenX;
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}
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@bind
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onSwipe(event) {
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const touchX = event.changedTouches[0].screenX;
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const diff = this.initialX - touchX;
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this.showRemoveButton = true;
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this.shouldReset = false;
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this.isAtThreshold = false;
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// we don't state to be too sensitive to the touch
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if (Math.abs(this._lastX - touchX) > 5) {
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this._towardsThreshold = this._lastX >= touchX;
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this._lastX = touchX;
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}
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const threshold = window.innerWidth / 3;
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const touchX = event.changedTouches[0].screenX;
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this.diff = this._initialX - touchX;
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this.isAtThreshold = this.diff >= threshold;
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// ensures we will go back to the initial position when swiping very fast
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if (diff < 10) {
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this.isCancelling = false;
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this.hasReachedThreshold = false;
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this.swipableRow.style.left = "0px";
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return;
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}
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if (this.diff > 25) {
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if (this.isAtThreshold) {
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this.diff = threshold + (this.diff - threshold) * 0.1;
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}
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if (diff >= window.innerWidth / 3) {
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this.isCancelling = false;
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this.hasReachedThreshold = true;
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return;
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this.rowStyle = htmlSafe(`margin-right: ${this.diff}px;`);
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} else {
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this.isCancelling = !this._towardsThreshold;
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}
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if (diff > 25) {
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this.actionButton.style.width = diff + "px";
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this.swipableRow.style.left = -(this.initialX - touchX) + "px";
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this.rowStyle = htmlSafe("margin-right: 0px;");
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}
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}
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@bind
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onSwipeEnd(event) {
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this._lastX = null;
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const diff = this.initialX - event.changedTouches[0].screenX;
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if (diff >= window.innerWidth / 3) {
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this.swipableRow.style.left = "0px";
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onSwipeEnd() {
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if (this.isAtThreshold) {
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this.rowStyle = htmlSafe("margin-right: 0px;");
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this.shouldRemoveChannel = true;
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return;
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} else {
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this.shouldReset = true;
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}
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this.isCancelling = true;
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this.shouldResetRow = true;
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}
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get shouldHandleSwipe() {
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return this.capabilities.touch && this.args.channel.isDirectMessageChannel;
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}
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get cancelActionLabel() {
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return I18n.t("cancel_value");
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}
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get removeActionLabel() {
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return I18n.t("chat.remove");
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}
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get leaveDirectMessageLabel() {
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return I18n.t("chat.direct_messages.leave");
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}
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