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Initialize platform web pay button when added to DOM #1978

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merged 1 commit into from
Oct 28, 2024
Merged

Initialize platform web pay button when added to DOM #1978

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63 changes: 37 additions & 26 deletions packages/stripe_web/lib/src/widgets/platform_pay_button.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,36 @@ class WebPlatformPayButton extends StatefulWidget {
}

class _WebPlatformPayButtonState extends State<WebPlatformPayButton> {
final web.HTMLDivElement _divElement = web.HTMLDivElement()
..id = 'platform-pay-button';

late final web.MutationObserver mutationObserver = web.MutationObserver(
((JSArray<web.MutationRecord> entries, web.MutationObserver observer) {
if (web.document.getElementById('platform-pay-button') != null) {
mutationObserver.disconnect();

PaymentRequest paymentRequest = WebStripe.js
.paymentRequest((widget.paymentRequestCreateOptions).toJS());

paymentRequest.canMakePayment().then((value) {
WebStripe.js.elements().createPaymentRequestButton(
JsPaymentRequestButtonElementCreateOptions(
paymentRequest: paymentRequest.js,
style: JsPaymentRequestButtonElementStyle(
paymentRequestButton: PaymentRequestButtonStyleOptions(
theme: theme(Theme.of(context).brightness),
type: type,
height: '${constraints.maxHeight}px',
))))
..on('click', (event) {
event.toDart['preventDefault']();
widget.onPressed();
})
..mount('#platform-pay-button'.toJS);
});
}
}.toJS));

BoxConstraints get constraints =>
widget.constraints ??
const BoxConstraints.expand(height: kPlatformPayButtonDefaultHeight);
Expand All @@ -40,8 +70,13 @@ class _WebPlatformPayButtonState extends State<WebPlatformPayButton> {
void initState() {
// ignore: undefined_prefixed_name
ui.platformViewRegistry.registerViewFactory('stripe_platform_pay_button',
(int viewId) => web.HTMLDivElement()..id = 'platform-pay-button');
_initButton();
(int viewId) => _divElement);

mutationObserver.observe(
web.document,
web.MutationObserverInit(childList: true, subtree: true),
);

super.initState();
}

Expand All @@ -58,30 +93,6 @@ class _WebPlatformPayButtonState extends State<WebPlatformPayButton> {
);
}

_initButton() {
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
PaymentRequest paymentRequest = WebStripe.js
.paymentRequest((widget.paymentRequestCreateOptions).toJS());

paymentRequest.canMakePayment().then((value) {
WebStripe.js.elements().createPaymentRequestButton(
JsPaymentRequestButtonElementCreateOptions(
paymentRequest: paymentRequest.js,
style: JsPaymentRequestButtonElementStyle(
paymentRequestButton: PaymentRequestButtonStyleOptions(
theme: theme(Theme.of(context).brightness),
type: type,
height: '${constraints.maxHeight}px',
))))
..on('click', (event) {
event.toDart['preventDefault']();
widget.onPressed();
})
..mount('#platform-pay-button'.toJS);
});
});
}

PaymentRequestButtonType get type {
switch (widget.type) {
case PlatformButtonType.buy:
Expand Down
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