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TF-2533 Remove iframe listener dependency on dart

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This commit is contained in:
DatDang
2024-04-01 14:09:35 +07:00
committed by Dat H. Pham
parent 8d01b0f339
commit ae0aeab048
2 changed files with 71 additions and 72 deletions
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core/lib/presentation/views/html_viewer/html_content_viewer_on_web_widget.dart
+63 -68
View File
@@ -52,7 +52,9 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
String? _htmlData;
bool _isLoading = true;
double minHeight = 100;
final _jsonEncoder = const JsonEncoder();
late final StreamSubscription<html.MessageEvent> sizeListener;
bool _iframeLoaded = false;
static const String iframeOnLoadMessage = 'iframeHasBeenLoaded';
@override
void initState() {
@@ -61,6 +63,57 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
_actualWidth = widget.widthContent;
_createdViewId = _getRandString(10);
_setUpWeb();
sizeListener = html.window.onMessage.listen((event) {
var data = json.decode(event.data);
if (data['view'] != _createdViewId) return;
if (data['message'] == iframeOnLoadMessage) {
_iframeLoaded = true;
}
if (!_iframeLoaded) return;
if (data['type'] != null && data['type'].contains('toDart: htmlHeight')) {
final docHeight = data['height'] ?? _actualHeight;
if (docHeight != null && mounted) {
final scrollHeightWithBuffer = docHeight + 30.0;
if (scrollHeightWithBuffer > minHeight) {
setState(() {
_actualHeight = scrollHeightWithBuffer;
_isLoading = false;
});
}
}
if (mounted && _isLoading) {
setState(() {
_isLoading = false;
});
}
}
if (data['type'] != null && data['type'].contains('toDart: htmlWidth')) {
final docWidth = data['width'] ?? _actualWidth;
if (docWidth != null && mounted) {
if (docWidth > _minWidth && widget.allowResizeToDocumentSize) {
setState(() {
_actualWidth = docWidth;
});
}
}
}
if (data['type'] != null && data['type'].contains('toDart: OpenLink')) {
final link = data['url'];
if (link != null && mounted) {
final urlString = link as String;
if (urlString.startsWith('mailto:')) {
widget.mailtoDelegate?.call(Uri.parse(urlString));
}
}
}
});
}
@override
@@ -93,6 +146,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
<script type="text/javascript">
window.parent.addEventListener('message', handleMessage, false);
window.addEventListener('click', handleOnClickLink, true);
window.addEventListener('load', handleOnLoad);
function handleMessage(e) {
if (e && e.data && e.data.includes("toIframe:")) {
@@ -140,6 +194,12 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
return url.protocol === "mailto:";
}
function handleOnLoad() {
window.parent.postMessage(JSON.stringify({"view": "$_createdViewId", "message": "$iframeOnLoadMessage"}), "*");
window.parent.postMessage(JSON.stringify({"view": "$_createdViewId", "type": "toIframe: getHeight"}), "*");
window.parent.postMessage(JSON.stringify({"view": "$_createdViewId", "type": "toIframe: getWidth"}), "*");
}
</script>
''';
@@ -184,53 +244,7 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
..style.border = 'none'
..style.overflow = 'hidden'
..style.width = '100%'
..style.height = '100%'
..onLoad.listen((event) async {
_sendMessageToWebViewForGetHeight();
_sendMessageToWebViewForGetWidth();
html.window.onMessage.listen((event) {
var data = json.decode(event.data);
if (data['type'] != null && data['type'].contains('toDart: htmlHeight') && data['view'] == _createdViewId) {
final docHeight = data['height'] ?? _actualHeight;
if (docHeight != null && mounted) {
final scrollHeightWithBuffer = docHeight + 30.0;
if (scrollHeightWithBuffer > minHeight) {
setState(() {
_actualHeight = scrollHeightWithBuffer;
_isLoading = false;
});
}
}
if (mounted && _isLoading) {
setState(() {
_isLoading = false;
});
}
}
if (data['type'] != null && data['type'].contains('toDart: htmlWidth') && data['view'] == _createdViewId) {
final docWidth = data['width'] ?? _actualWidth;
if (docWidth != null && mounted) {
if (docWidth > _minWidth && widget.allowResizeToDocumentSize) {
setState(() {
_actualWidth = docWidth;
});
}
}
}
if (data['type'] != null && data['type'].contains('toDart: OpenLink') && data['view'] == _createdViewId) {
final link = data['url'];
if (link != null && mounted) {
final urlString = link as String;
if (urlString.startsWith('mailto:')) {
widget.mailtoDelegate?.call(Uri.parse(urlString));
}
}
}
});
});
..style.height = '100%';
ui.platformViewRegistry.registerViewFactory(_createdViewId, (int viewId) => iframe);
@@ -286,29 +300,10 @@ class _HtmlContentViewerOnWebState extends State<HtmlContentViewerOnWeb> {
});
}
void _sendMessageToWebViewForGetHeight() {
final dataGetHeight = <String, Object>{
'type': 'toIframe: getHeight',
'view' : _createdViewId
};
final jsonGetHeight = _jsonEncoder.convert(dataGetHeight);
html.window.postMessage(jsonGetHeight, '*');
}
void _sendMessageToWebViewForGetWidth() {
final dataGetWidth = <String, Object>{
'type': 'toIframe: getWidth',
'view' : _createdViewId
};
final jsonGetWidth = _jsonEncoder.convert(dataGetWidth);
html.window.postMessage(jsonGetWidth, '*');
}
@override
void dispose() {
_htmlData = null;
sizeListener.cancel();
super.dispose();
}
}
lib/features/email/presentation/controller/single_email_controller.dart
+8 -4
View File
@@ -257,7 +257,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
emailSupervisorController.disposePageViewController();
}
_updateCurrentEmailId(null);
_resetToOriginalValue();
_resetToOriginalValue(isEmailClosing: true);
mailboxDashBoardController.clearSelectedEmail();
mailboxDashBoardController.dispatchRoute(DashboardRoutes.thread);
mailboxDashBoardController.clearEmailUIAction();
@@ -421,7 +421,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
_identitySelected = identities.first;
}
void _getEmailContentAction(EmailId emailId) async {
void _getEmailContentAction(EmailId emailId) {
final emailLoaded = emailSupervisorController.getEmailInQueueByEmailId(emailId);
if (emailLoaded != null) {
@@ -578,7 +578,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
}
}
void _resetToOriginalValue() {
void _resetToOriginalValue({bool isEmailClosing = false}) {
emailContents.value = null;
_currentEmailLoaded = null;
attachments.clear();
@@ -586,6 +586,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
calendarEvent.value = null;
eventActions.clear();
emailUnsubscribe.value = null;
if (isEmailClosing) {
emailLoadedViewState.value = Right(UIState.idle);
viewState.value = Right(UIState.idle);
}
}
PresentationMailbox? getMailboxContain(PresentationEmail email) {
@@ -1273,7 +1277,7 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
}
mailboxDashBoardController.clearSelectedEmail();
_updateCurrentEmailId(null);
_resetToOriginalValue();
_resetToOriginalValue(isEmailClosing: true);
_replaceBrowserHistory();
if (mailboxDashBoardController.searchController.isSearchEmailRunning) {
if (context != null && responsiveUtils.isWebDesktop(context)) {