add receiver side for media

android/app/src/main/AndroidManifest.xml

@@ -34,6 +34,7 @@
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
     <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.USE_BIOMETRIC"/>
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="29" />
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and

android/app/src/main/kotlin/com/example/connect/MainActivity.kt

@@ -1,5 +1,5 @@
 package com.example.connect
 
-import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.android.FlutterFragmentActivity
 
-class MainActivity: FlutterActivity()
+class MainActivity: FlutterFragmentActivity()

ios/Runner/Info.plist

@@ -48,6 +48,8 @@
 	<key>NSCameraUsageDescription</key>
 	<string>To create photos that can be shared.</string>
 	<key>NSMicrophoneUsageDescription</key>
-	<string>Explanation on why the microphone access is needed.</string>
+	<string>To create videos that can be securely shared.</string>
+	<key>NSFaceIDUsageDescription</key>
+	<string>To protect others twonlies!</string>
 </dict>
 </plist>

lib/src/components/message_send_state_icon.dart

@@ -28,7 +28,7 @@ class MessageSendStateIcon extends StatelessWidget {
     String text = "";
 
     Color color =
-        message.messageKind.getColor(Theme.of(context).colorScheme.primary);
+        message.messageContent.getColor(Theme.of(context).colorScheme.primary);
 
     Widget loaderIcon = Row(
       children: [

lib/src/model/json/message.dart

@@ -23,16 +23,6 @@ extension MessageKindExtension on MessageKind {
   static MessageKind fromIndex(int index) {
     return MessageKind.values[index];
   }
-
-  Color getColor(Color primary) {
-    Color color = primary;
-    if (this == MessageKind.textMessage) {
-      color = Colors.lightBlue;
-    } else if (this == MessageKind.video) {
-      color = Colors.deepPurple;
-    }
-    return color;
-  }
 }
 
 // TODO: use message as base class, remove kind and flatten content
@@ -72,6 +62,29 @@ class Message {
 class MessageContent {
   MessageContent();
 
+  Color getColor(Color primary) {
+    Color color;
+    if (this is TextMessageContent) {
+      color = Colors.lightBlue;
+    } else {
+      final content = this;
+      if (content is MediaMessageContent) {
+        if (content.isRealTwonly) {
+          color = primary;
+        } else {
+          if (content.isVideo) {
+            color = Colors.deepPurple;
+          } else {
+            color = const Color.fromARGB(255, 214, 47, 47);
+          }
+        }
+      } else {
+        return Colors.black; // this should not happen
+      }
+    }
+    return color;
+  }
+
   static MessageContent fromJson(Map json) {
     switch (json['type']) {
       case 'MediaMessageContent':
@@ -92,10 +105,12 @@ class MediaMessageContent extends MessageContent {
   final List<int> downloadToken;
   final int maxShowTime;
   final bool isRealTwonly;
+  final bool isVideo;
   MediaMessageContent({
     required this.downloadToken,
     required this.maxShowTime,
     required this.isRealTwonly,
+    required this.isVideo,
   });
 
   static MediaMessageContent fromJson(Map json) {
@@ -103,6 +118,7 @@ class MediaMessageContent extends MessageContent {
       downloadToken: List<int>.from(json['downloadToken']),
       maxShowTime: json['maxShowTime'],
       isRealTwonly: json['isRealTwonly'],
+      isVideo: json['isVideo'] ?? false,
     );
   }
 

lib/src/model/messages_model.dart

@@ -27,7 +27,7 @@ class DbMessage {
   int? messageOtherId;
   int otherUserId;
   MessageKind messageKind;
-  MessageContent? messageContent;
+  MessageContent messageContent;
   DateTime? messageOpenedAt;
   bool messageAcknowledgeByUser;
   bool isDownloaded;

lib/src/providers/api/api.dart

@@ -155,7 +155,7 @@ Future uploadMediaFile(
           downloadToken: uploadToken,
           maxShowTime: maxShowTime,
           isRealTwonly: isRealTwonly,
-      ),
+          isVideo: false),
       timestamp: DateTime.now(),
     ),
   );
@@ -174,7 +174,7 @@ Future encryptAndUploadMediaFile(
           downloadToken: [],
           maxShowTime: maxShowTime,
           isRealTwonly: isRealTwonly,
-      ));
+          isVideo: false));
   // isRealTwonly,
   if (messageId == null) return;
 
@@ -252,11 +252,13 @@ Future<Uint8List?> getDownloadedMedia(
     List<int> mediaToken, int messageOtherId) async {
   final box = await getMediaStorage();
   Uint8List? media = box.get("${mediaToken}_downloaded");
-  int fromUserId = box.get("${mediaToken}_fromUserId");
-  await userOpenedOtherMessage(fromUserId, messageOtherId);
+
+  // int fromUserId = box.get("${mediaToken}_fromUserId");
+  // await userOpenedOtherMessage(fromUserId, messageOtherId);
   // box.delete(mediaToken.toString());
   // box.put("${mediaToken}_downloaded", "deleted");
   // box.delete("${mediaToken}_fromUserId");
+
   return media;
 }
 

lib/src/views/chats/chat_item_details_view.dart

@@ -67,8 +67,8 @@ class ChatListEntry extends StatelessWidget {
         }
         break;
       case MessageKind.image:
-        Color color =
-            message.messageKind.getColor(Theme.of(context).colorScheme.primary);
+        Color color = message.messageContent
+            .getColor(Theme.of(context).colorScheme.primary);
         child = GestureDetector(
           onTap: () {
             if (state == MessageSendState.received && !isDownloading) {

lib/src/views/chats/media_viewer_view.dart

@@ -1,6 +1,9 @@
-import 'dart:typed_data';
+import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:local_auth/local_auth.dart';
+import 'package:lottie/lottie.dart';
 import 'package:twonly/src/components/media_view_sizing.dart';
 import 'package:twonly/src/model/contacts_model.dart';
 import 'package:twonly/src/model/json/message.dart';
@@ -18,37 +21,149 @@ class MediaViewerView extends StatefulWidget {
 
 class _MediaViewerViewState extends State<MediaViewerView> {
   Uint8List? _imageByte;
+  DateTime? canBeSeenUntil;
+  int maxShowTime = 999999;
+  bool isRealTwonly = false;
+  // DateTime opened;
 
   @override
   void initState() {
     super.initState();
-    _initAsync();
-  }
-
-  Future _initAsync() async {
     final content = widget.message.messageContent;
     if (content is MediaMessageContent) {
+      if (content.isRealTwonly) {
+        isRealTwonly = true;
+      }
+    }
+    loadMedia();
+  }
+
+  Future loadMedia({bool force = false}) async {
+    final content = widget.message.messageContent;
+    if (content is MediaMessageContent) {
+      if (content.isRealTwonly) {
+        if (!force) {
+          return;
+        }
+        try {
+          final LocalAuthentication auth = LocalAuthentication();
+          bool didAuthenticate = await auth.authenticate(
+              localizedReason: 'Please authenticate to see this twonly!',
+              options: const AuthenticationOptions(useErrorDialogs: false));
+          if (!didAuthenticate) {
+            if (context.mounted) {
+              Navigator.pop(context);
+            }
+            return;
+          }
+        } on PlatformException catch (e) {
+          debugPrint(e.toString());
+          // these errors because of hardware not available or bio is not enrolled
+          // as this is just a nice gimig, do not interrupt the user experience
+        }
+      }
+
       List<int> token = content.downloadToken;
       _imageByte =
           await getDownloadedMedia(token, widget.message.messageOtherId!);
+
       setState(() {});
     }
   }
 
+  startTimer() {
+    Future.delayed(canBeSeenUntil!.difference(DateTime.now()), () {
+      if (context.mounted) {
+        Navigator.pop(context);
+      }
+    });
+  }
+
+  mediaOpened() {
+    if (canBeSeenUntil != null) return;
+    final content = widget.message.messageContent;
+    if (content is MediaMessageContent) {
+      if (content.maxShowTime != 999999) {
+        canBeSeenUntil = DateTime.now().add(
+          Duration(seconds: content.maxShowTime),
+        );
+        maxShowTime = content.maxShowTime;
+        startTimer();
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
-    if (_imageByte == null) return Container();
+    double progress = 0;
+    if (canBeSeenUntil != null) {
+      Duration difference = canBeSeenUntil!.difference(DateTime.now());
+      print(difference.inMilliseconds);
+      // Calculate the progress as a value between 0.0 and 1.0
+      progress = (difference.inMilliseconds / (maxShowTime * 1000));
+      if (progress <= 0) {
+        return Scaffold();
+      }
+    }
+    // progress = 0.8;
+
     return Scaffold(
-      body: Stack(
+      body: SafeArea(
+        child: Stack(
           fit: StackFit.expand,
           children: [
-          MediaViewSizing(Image.memory(
+            if (_imageByte != null)
+              MediaViewSizing(
+                Image.memory(
                   _imageByte!,
                   fit: BoxFit.contain,
-          )),
+                  frameBuilder:
+                      ((context, child, frame, wasSynchronouslyLoaded) {
+                    if (frame != null || wasSynchronouslyLoaded) {
+                      mediaOpened();
+                    }
+                    if (wasSynchronouslyLoaded) return child;
+                    return AnimatedSwitcher(
+                      duration: const Duration(milliseconds: 200),
+                      child: frame != null
+                          ? child
+                          : SizedBox(
+                              height: 60,
+                              width: 60,
+                              child: CircularProgressIndicator(strokeWidth: 6),
+                            ),
+                    );
+                  }),
+                ),
+              ),
+            if (isRealTwonly && _imageByte == null)
+              Positioned.fill(
+                child: GestureDetector(
+                  onTap: () {
+                    loadMedia(force: true);
+                  },
+                  child: Column(
+                    children: [
+                      Expanded(
+                        child: Lottie.asset(
+                            'assets/animations/present.lottie.json'),
+                      ),
+                      Container(
+                        padding: EdgeInsets.only(bottom: 200),
+                        child: Text("Tap to open your twonly!"),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
             Positioned(
               left: 10,
-            top: 60,
+              top: 10,
               child: Row(
                 // mainAxisAlignment: MainAxisAlignment.center,
                 children: [
@@ -63,13 +178,30 @@ class _MediaViewerViewState extends State<MediaViewerView> {
               ),
             ),
             Positioned(
-            bottom: 70,
+              right: 20,
+              top: 27,
+              child: Row(
+                children: [
+                  if (canBeSeenUntil != null)
+                    SizedBox(
+                        width: 20,
+                        height: 20,
+                        child: CircularProgressIndicator(
+                          value: progress,
+                          strokeWidth: 2.0,
+                        )),
+                ],
+              ),
+            ),
+            if (_imageByte != null)
+              Positioned(
+                bottom: 30,
                 left: 0,
                 right: 0,
                 child: Row(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                const SizedBox(width: 20),
+                    // const SizedBox(width: 20),
                     FilledButton.icon(
                       icon: FaIcon(FontAwesomeIcons.solidPaperPlane),
                       onPressed: () async {},
@@ -85,9 +217,10 @@ class _MediaViewerViewState extends State<MediaViewerView> {
                     ),
                   ],
                 ),
-          )
+              ),
           ],
         ),
+      ),
     );
   }
 }

pubspec.lock

@@ -432,6 +432,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: "615a505aef59b151b46bbeef55b36ce2b6ed299d160c51d84281946f0aa0ce0e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.24"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -674,6 +682,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.1.1"
+  local_auth:
+    dependency: "direct main"
+    description:
+      name: local_auth
+      sha256: "434d854cf478f17f12ab29a76a02b3067f86a63a6d6c4eb8fbfdcfe4879c1b7b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  local_auth_android:
+    dependency: transitive
+    description:
+      name: local_auth_android
+      sha256: "6763aaf8965f21822624cb2fd3c03d2a8b3791037b5efb0fe4b13e110f5afc92"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.46"
+  local_auth_darwin:
+    dependency: transitive
+    description:
+      name: local_auth_darwin
+      sha256: "630996cd7b7f28f5ab92432c4b35d055dd03a747bc319e5ffbb3c4806a3e50d2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.3"
+  local_auth_platform_interface:
+    dependency: transitive
+    description:
+      name: local_auth_platform_interface
+      sha256: "1b842ff177a7068442eae093b64abe3592f816afd2a533c0ebcdbe40f9d2075a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.10"
+  local_auth_windows:
+    dependency: transitive
+    description:
+      name: local_auth_windows
+      sha256: bc4e66a29b0fdf751aafbec923b5bed7ad6ed3614875d8151afe2578520b2ab5
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.11"
   logging:
     dependency: "direct main"
     description:
@@ -682,6 +730,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  lottie:
+    dependency: "direct main"
+    description:
+      name: lottie
+      sha256: c5fa04a80a620066c15cf19cc44773e19e9b38e989ff23ea32e5903ef1015950
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.1"
   macros:
     dependency: transitive
     description:
@@ -1217,4 +1273,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.6.0 <4.0.0"
-  flutter: ">=3.24.0"
+  flutter: ">=3.27.0"

pubspec.yaml

@@ -33,7 +33,9 @@ dependencies:
   introduction_screen: ^3.1.14
   json_annotation: ^4.9.0
   libsignal_protocol_dart: ^0.7.1
+  local_auth: ^2.3.0
   logging: ^1.3.0
+  lottie: ^3.3.1
   path: ^1.9.0
   path_provider: ^2.1.5
   permission_handler: ^11.3.1
@@ -72,6 +74,7 @@ flutter:
   assets:
     # Add assets from the images directory to the application.
     - assets/images/
+    - assets/animations/present.lottie.json
     - assets/icons/
     - assets/icons/flame.png
     - assets/images/onboarding/01.png