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TF-2708 Allow Chrome to download PDF after view (#2712)

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This commit is contained in:
Dat Dang
2024-03-15 10:44:45 +07:00
committed by GitHub
parent 9ac7ebd787
commit 65b587b9a0
5 changed files with 69 additions and 10 deletions
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core/lib/data/network/download/download_manager.dart
+17 -8
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@@ -2,18 +2,23 @@ import 'dart:async';
import 'dart:io';
import 'dart:typed_data';
import 'package:core/data/constants/constant.dart';
import 'package:core/data/network/download/download_client.dart';
import 'package:core/data/network/download/downloaded_response.dart';
import 'package:core/domain/exceptions/download_file_exception.dart';
import 'package:core/utils/app_logger.dart';
import 'package:core/utils/html/html_utils.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:http_parser/http_parser.dart';
import 'package:universal_html/html.dart' as html;
class DownloadManager {
final DownloadClient _downloadClient;
final DeviceInfoPlugin _deviceInfoPlugin;
DownloadManager(this._downloadClient);
DownloadManager(this._downloadClient, this._deviceInfoPlugin);
Future<DownloadedResponse> downloadFile(
String downloadUrl,
@@ -104,14 +109,18 @@ class DownloadManager {
}
}
void openDownloadedFileWeb(Uint8List bytes, String? mimeType) {
Future<void> openDownloadedFileWeb(Uint8List bytes, String? mimeType) async {
try {
final blob = html.Blob([bytes], mimeType);
final url = html.Url.createObjectUrlFromBlob(blob);
html.window.open(url, '_blank');
html.Url.revokeObjectUrl(url);
final deviceInfo = await _deviceInfoPlugin.deviceInfo;
if ('${deviceInfo.data['browserName']}' != 'BrowserName.chrome'
|| mimeType != Constant.pdfMimeType) {
final blob = html.Blob([bytes], mimeType);
final url = html.Url.createObjectUrlFromBlob(blob);
html.window.open(url, '_blank');
html.Url.revokeObjectUrl(url);
} else {
HtmlUtils.openNewTabHtmlDocument(HtmlUtils.pdfViewer(bytes));
}
} catch (exception) {
logError('DownloadManager::openDownloadedFileWeb(): ERROR: $exception');
rethrow;
core/lib/utils/html/html_utils.dart
+43
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@@ -1,3 +1,5 @@
import 'js_interop_stub.dart' if (dart.library.html) 'dart:js_interop';
import 'dart:typed_data';
import 'package:core/data/constants/constant.dart';
import 'package:core/presentation/extensions/html_extension.dart';
@@ -148,4 +150,45 @@ class HtmlUtils {
html.Url.revokeObjectUrl(url);
}
static get iframeFullScreenCssStyle => '''
position: fixed;
border: 0;
width: 100%;
height: 100%;''';
static String pdfViewer(Uint8List bytes) {
return '''
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
</head>
<style>
body {
margin: 0;
}
iframe {
${HtmlUtils.iframeFullScreenCssStyle}
}
</style>
<body></body>
<script>
const bytesJs = new Uint8Array(${bytes.toJS}).buffer;
const blob = new Blob([bytesJs], { type: "application/pdf" });
const url = URL.createObjectURL(blob);
window.onload = function() {
const iframe = document.createElement("iframe");
iframe.src = url;
document.body.appendChild(iframe);
};
window.addEventListener("beforeunload", function listener(event) {
URL.revokeObjectURL(url);
window.removeEventListener("beforeunload", listener);
});
</script>
</html>''';
}
}
core/lib/utils/html/js_interop_stub.dart
+5
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@@ -0,0 +1,5 @@
import 'dart:typed_data';
extension Uint8ListExtension on Uint8List {
dynamic get toJS => throw UnimplementedError();
}
lib/main/bindings/network/network_bindings.dart
+2 -1
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@@ -4,6 +4,7 @@ import 'dart:io';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:contact/data/network/contact_api.dart';
import 'package:core/core.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_appauth/flutter_appauth.dart';
@@ -101,7 +102,7 @@ class NetworkBindings extends Bindings {
void _bindingApi() {
Get.put(HttpClient(Get.find<Dio>()));
Get.put(DownloadClient(Get.find<DioClient>(), Get.find<CompressFileUtils>()));
Get.put(DownloadManager(Get.find<DownloadClient>()));
Get.put(DownloadManager(Get.find<DownloadClient>(), Get.find<DeviceInfoPlugin>()));
Get.put(MailboxAPI(Get.find<HttpClient>(), Get.find<Uuid>()));
Get.put(SessionAPI(Get.find<HttpClient>()));
Get.put(ThreadAPI(Get.find<HttpClient>()));
lib/main/bindings/network/network_isolate_binding.dart
+2 -1
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@@ -1,4 +1,5 @@
import 'package:core/core.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter_appauth/flutter_appauth.dart';
@@ -56,7 +57,7 @@ class NetworkIsolateBindings extends Bindings {
void _bindingApi() {
final httpClient = Get.put(HttpClient(Get.find<Dio>(tag: BindingTag.isolateTag)), tag: BindingTag.isolateTag);
Get.put(DownloadClient(Get.find<DioClient>(tag: BindingTag.isolateTag), Get.find<CompressFileUtils>()), tag: BindingTag.isolateTag);
Get.put(DownloadManager(Get.find<DownloadClient>(tag: BindingTag.isolateTag)), tag: BindingTag.isolateTag);
Get.put(DownloadManager(Get.find<DownloadClient>(tag: BindingTag.isolateTag), Get.find<DeviceInfoPlugin>()), tag: BindingTag.isolateTag);
Get.put(ThreadAPI(httpClient), tag: BindingTag.isolateTag);
Get.put(EmailAPI(
httpClient,