feat: chat reactions

closes #2

lib/widgets/chat.dart

@@ -246,13 +246,34 @@ class _ChatMessageWidget extends StatelessWidget {
       final profile = state.data ?? Metadata(pubKey: msg.pubKey);
       return GestureDetector(
         onLongPress: () {
+          if (ndk.accounts.canSign) {
             showModalBottomSheet(
               context: context,
               constraints: BoxConstraints.expand(),
-            builder: (ctx) => ProfileModalWidget(profile: profile, event: msg),
+              builder:
+                  (ctx) => ProfileModalWidget(profile: profile, event: msg),
             );
+          }
         },
-        child: RichText(
+        child: Column(
+          spacing: 2,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            _chatText(profile),
+            RxFilter<Nip01Event>(
+              filters: [
+                Filter(kinds: [9735, 7], eTags: [msg.id]),
+              ],
+              builder: (ctx, data) => _chatReactions(data),
+            ),
+          ],
+        ),
+      );
+    });
+  }
+
+  Widget _chatText(Metadata profile) {
+    return RichText(
       text: TextSpan(
         children: [
           WidgetSpan(
@@ -265,10 +286,7 @@ class _ChatMessageWidget extends StatelessWidget {
             child: ProfileNameWidget(
               profile: profile,
               style: TextStyle(
-                    color:
+                color: msg.pubKey == stream.info.host ? PRIMARY_1 : SECONDARY_1,
-                        msg.pubKey == stream.info.host
-                            ? PRIMARY_1
-                            : SECONDARY_1,
               ),
             ),
           ),
@@ -276,9 +294,48 @@ class _ChatMessageWidget extends StatelessWidget {
           TextSpan(text: msg.content, style: TextStyle(color: FONT_COLOR)),
         ],
       ),
-        ),
     );
-    });
+  }
+
+  Widget _chatReactions(List<Nip01Event>? events) {
+    if ((events?.length ?? 0) == 0) return SizedBox.shrink();
+
+    final zaps = events!
+        .where((e) => e.kind == 9735)
+        .map((e) => ZapReceipt.fromEvent(e));
+    final reactions = events.where((e) => e.kind == 7);
+
+    return Row(
+      spacing: 8,
+      children: [
+        if (zaps.isNotEmpty)
+          Container(
+            padding: EdgeInsets.symmetric(horizontal: 4, vertical: 2),
+            decoration: BoxDecoration(color: LAYER_2, borderRadius: DEFAULT_BR),
+            child: Text(
+              formatSats(zaps.fold(0, (acc, v) => acc + (v.amountSats ?? 0))),
+            ),
+          ),
+        if (reactions.isNotEmpty)
+          ...reactions
+              .fold(<String, Set<String>>{}, (acc, v) {
+                acc[v.content] ??= Set();
+                acc[v.content]!.add(v.pubKey);
+                return acc;
+              })
+              .entries
+              .map(
+                (v) => Container(
+                  padding: EdgeInsets.symmetric(horizontal: 4, vertical: 2),
+                  decoration: BoxDecoration(
+                    color: LAYER_2,
+                    borderRadius: DEFAULT_BR,
+                  ),
+                  child: Center(child: Text(v.key)),
+                ),
+              ),
+      ],
+    );
   }
 }
 

lib/widgets/profile_modal.dart

@@ -1,5 +1,11 @@
+import 'dart:developer' as developer;
+
+import 'package:emoji_picker_flutter/emoji_picker_flutter.dart';
+import 'package:flutter/foundation.dart' as foundation;
 import 'package:flutter/material.dart';
 import 'package:ndk/ndk.dart';
+import 'package:zap_stream_flutter/main.dart';
+import 'package:zap_stream_flutter/theme.dart';
 import 'package:zap_stream_flutter/widgets/button.dart';
 import 'package:zap_stream_flutter/widgets/mute_button.dart';
 import 'package:zap_stream_flutter/widgets/profile.dart';
@@ -23,6 +29,42 @@ class ProfileModalWidget extends StatelessWidget {
         spacing: 10,
         children: [
           ProfileWidget(profile: profile),
+          EmojiPicker(
+            onEmojiSelected: (category, emoji) {
+              developer.log(emoji.emoji);
+              ndk.broadcast.broadcastReaction(
+                eventId: event.id,
+                reaction: emoji.emoji,
+              );
+              Navigator.pop(context);
+            },
+            config: Config(
+              height: 256,
+              checkPlatformCompatibility: true,
+              emojiViewConfig: EmojiViewConfig(
+                emojiSizeMax:
+                    28 *
+                    (foundation.defaultTargetPlatform == TargetPlatform.iOS
+                        ? 1.20
+                        : 1.0),
+                backgroundColor: LAYER_1,
+              ),
+              viewOrderConfig: const ViewOrderConfig(
+                top: EmojiPickerItem.categoryBar,
+                middle: EmojiPickerItem.emojiView,
+                bottom: EmojiPickerItem.searchBar,
+              ),
+              bottomActionBarConfig: BottomActionBarConfig(
+                backgroundColor: LAYER_2,
+                buttonColor: PRIMARY_1,
+              ),
+              categoryViewConfig: CategoryViewConfig(backgroundColor: LAYER_2),
+              searchViewConfig: SearchViewConfig(
+                backgroundColor: LAYER_2,
+                buttonIconColor: PRIMARY_1,
+              ),
+            ),
+          ),
           BasicButton.text(
             "Zap",
             onTap: () {

linux/flutter/generated_plugin_registrant.cc

@@ -6,12 +6,16 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <emoji_picker_flutter/emoji_picker_flutter_plugin.h>
 #include <file_selector_linux/file_selector_plugin.h>
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 #include <objectbox_flutter_libs/objectbox_flutter_libs_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) emoji_picker_flutter_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "EmojiPickerFlutterPlugin");
+  emoji_picker_flutter_plugin_register_with_registrar(emoji_picker_flutter_registrar);
   g_autoptr(FlPluginRegistrar) file_selector_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "FileSelectorPlugin");
   file_selector_plugin_register_with_registrar(file_selector_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  emoji_picker_flutter
   file_selector_linux
   flutter_secure_storage_linux
   objectbox_flutter_libs

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,22 +5,26 @@
 import FlutterMacOS
 import Foundation
 
+import emoji_picker_flutter
 import file_selector_macos
 import flutter_secure_storage_macos
 import objectbox_flutter_libs
 import package_info_plus
 import path_provider_foundation
+import shared_preferences_foundation
 import sqflite_darwin
 import url_launcher_macos
 import video_player_avfoundation
 import wakelock_plus
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  EmojiPickerFlutterPlugin.register(with: registry.registrar(forPlugin: "EmojiPickerFlutterPlugin"))
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   ObjectboxFlutterLibsPlugin.register(with: registry.registrar(forPlugin: "ObjectboxFlutterLibsPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
   UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
   FVPVideoPlayerPlugin.register(with: registry.registrar(forPlugin: "FVPVideoPlayerPlugin"))

pubspec.lock

@@ -185,6 +185,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.3.11"
+  emoji_picker_flutter:
+    dependency: "direct main"
+    description:
+      name: emoji_picker_flutter
+      sha256: "9a44c102079891ea5877f78c70f2e3c6e9df7b7fe0a01757d31f1046eeaa016d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.3.0"
   equatable:
     dependency: transitive
     description:
@@ -777,6 +785,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.28.0"
+  shared_preferences:
+    dependency: transitive
+    description:
+      name: shared_preferences
+      sha256: "6e8bf70b7fef813df4e9a36f658ac46d107db4b4cfe1048b477d4e453a8159f5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.3"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "20cbd561f743a342c76c151d6ddb93a9ce6005751e7aa458baad3858bfbfb6ac"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.10"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "6a52cfcdaeac77cad8c97b539ff688ccfc458c007b4db12be584fbe5c0e49e03"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.4"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -894,6 +958,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      sha256: "1722b2dcc462b4b2f3ee7d188dad008b6eb4c40bbd03a3de451d82c78bba9aad"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
   url_launcher:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -29,6 +29,7 @@ dependencies:
   url_launcher: ^6.3.1
   chewie: ^1.11.3
   image_picker: ^1.1.2
+  emoji_picker_flutter: ^4.3.0
 
 dependency_overrides:
   ndk:

windows/flutter/generated_plugin_registrant.cc

@@ -6,12 +6,15 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <emoji_picker_flutter/emoji_picker_flutter_plugin_c_api.h>
 #include <file_selector_windows/file_selector_windows.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <objectbox_flutter_libs/objectbox_flutter_libs_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  EmojiPickerFlutterPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("EmojiPickerFlutterPluginCApi"));
   FileSelectorWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FileSelectorWindows"));
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  emoji_picker_flutter
   file_selector_windows
   flutter_secure_storage_windows
   objectbox_flutter_libs