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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,10 @@ export class OutlinePerKeyDataLimitDialog extends LitElement {
* input.
*/
@state() _enableSave = false;
/**
* @member _saving Whether a save request is in flight.
*/
@state() _saving = false;

/**
* @member language The ISO 3166-1 alpha-2 language code used for i18n.
Expand Down Expand Up @@ -204,7 +208,7 @@ export class OutlinePerKeyDataLimitDialog extends LitElement {
<div id="buttonsSection">
<paper-button
id="save"
?disabled=${!this._enableSave}
?disabled=${!this._enableSave || this._saving}
@tap=${this._onSaveButtonTapped}
>${this.localize('save')}</paper-button
>
Expand All @@ -231,6 +235,7 @@ export class OutlinePerKeyDataLimitDialog extends LitElement {
value=${this._initialValue()}
size="7"
@keyup=${this._setSaveButtonDisabledState}
@keydown=${this._onDataLimitInputKeydown}
>
</paper-input>
<paper-dropdown-menu id="unitsDropdown" noink>
Expand Down Expand Up @@ -297,19 +302,35 @@ export class OutlinePerKeyDataLimitDialog extends LitElement {
this._enableSave = !(this._input?.invalid ?? false);
}

private _onDataLimitInputKeydown(event: KeyboardEvent) {
if (event.key !== 'Enter') {
return;
}
event.preventDefault();
void this._onSaveButtonTapped();
}

private async _onSaveButtonTapped() {
if (!this._enableSave || this._saving) {
return;
}
const change = this._dataLimitChange();
if (change === Change.UNCHANGED) {
return;
}
const result =
change === Change.SET
? await this._onDataLimitSet(
displayDataAmountToBytes(this.inputDataLimit())
)
: await this._onDataLimitRemoved();
if (result) {
this.close();
this._saving = true;
try {
const result =
change === Change.SET
? await this._onDataLimitSet(
displayDataAmountToBytes(this.inputDataLimit())
)
: await this._onDataLimitRemoved();
if (result) {
this.close();
}
} finally {
this._saving = false;
}
}

Expand Down