687 lines
25 KiB
Dart
687 lines
25 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/cupertino.dart';
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import '../../../shared/theme/theme_extensions.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'dart:io' show Platform;
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import 'dart:async';
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import '../providers/chat_providers.dart';
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import '../../tools/widgets/unified_tools_modal.dart';
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import '../../tools/providers/tools_providers.dart';
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import '../../../shared/utils/platform_utils.dart';
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class ModernChatInput extends ConsumerStatefulWidget {
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final Function(String) onSendMessage;
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final bool enabled;
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final Function()? onVoiceInput;
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final Function()? onFileAttachment;
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final Function()? onImageAttachment;
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final Function()? onCameraCapture;
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const ModernChatInput({
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super.key,
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required this.onSendMessage,
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this.enabled = true,
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this.onVoiceInput,
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this.onFileAttachment,
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this.onImageAttachment,
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this.onCameraCapture,
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});
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@override
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ConsumerState<ModernChatInput> createState() => _ModernChatInputState();
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}
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class _ModernChatInputState extends ConsumerState<ModernChatInput>
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with TickerProviderStateMixin {
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final TextEditingController _controller = TextEditingController();
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final FocusNode _focusNode = FocusNode();
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final bool _isRecording = false;
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bool _isExpanded = true; // Start expanded for better UX
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// TODO: Implement voice input functionality
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// final String _voiceInputText = '';
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bool _hasText = false; // track locally without rebuilding on each keystroke
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StreamSubscription<String>? _voiceStreamSubscription;
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late AnimationController _expandController;
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late AnimationController _pulseController;
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Timer? _blurCollapseTimer;
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bool _hasAutoFocusedOnce = false;
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@override
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void initState() {
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super.initState();
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_expandController = AnimationController(
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duration:
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AnimationDuration.fast, // Faster animation for better responsiveness
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vsync: this,
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value: 1.0, // Start expanded
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);
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_pulseController = AnimationController(
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duration: AnimationDuration.slow,
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vsync: this,
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);
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// Listen for text changes and update only when emptiness flips
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_controller.addListener(() {
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final has = _controller.text.trim().isNotEmpty;
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if (has != _hasText) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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setState(() => _hasText = has);
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// Intelligent expansion: expand when user starts typing
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if (has && !_isExpanded) {
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_setExpanded(true);
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}
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});
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}
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});
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// Intelligent expand/collapse around focus changes
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_focusNode.addListener(() {
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// Cancel any pending blur-driven collapse
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_blurCollapseTimer?.cancel();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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final hasFocus = _focusNode.hasFocus;
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if (hasFocus) {
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if (!_isExpanded) _setExpanded(true);
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} else {
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// Defer collapse slightly to avoid IME show/hide race conditions
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_blurCollapseTimer = Timer(const Duration(milliseconds: 160), () {
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if (!mounted) return;
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if (_focusNode.hasFocus) return; // focus came back
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// Collapse only when keyboard is fully hidden to avoid flicker
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final keyboardVisible =
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MediaQuery.of(context).viewInsets.bottom > 0;
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if (keyboardVisible) return;
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final has = _controller.text.trim().isNotEmpty;
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if (!has && _isExpanded) {
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_setExpanded(false);
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}
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});
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}
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});
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});
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// Let autofocus handle the focus - no manual intervention
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// The TextField's autofocus: true should handle focus and keyboard automatically
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// Additionally, request focus after first frame to ensure reliability across platforms
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (!_hasAutoFocusedOnce && widget.enabled) {
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_ensureFocusedIfEnabled();
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_hasAutoFocusedOnce = true;
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}
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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_focusNode.dispose();
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_expandController.dispose();
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_pulseController.dispose();
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_blurCollapseTimer?.cancel();
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_voiceStreamSubscription?.cancel();
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super.dispose();
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}
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void _ensureFocusedIfEnabled() {
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if (!widget.enabled) return;
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if (!_focusNode.hasFocus) {
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FocusScope.of(context).requestFocus(_focusNode);
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}
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}
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@override
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void didUpdateWidget(covariant ModernChatInput oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.enabled && !oldWidget.enabled && !_hasAutoFocusedOnce) {
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// Became enabled (e.g., after selecting a model) → focus the input
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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_ensureFocusedIfEnabled();
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_hasAutoFocusedOnce = true;
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});
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}
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if (!widget.enabled && oldWidget.enabled) {
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// Became disabled → collapse and hide keyboard
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (_isExpanded) _setExpanded(false);
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if (_focusNode.hasFocus) {
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_focusNode.unfocus();
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}
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});
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}
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}
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void _sendMessage() {
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final text = _controller.text.trim();
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if (text.isEmpty || !widget.enabled) return;
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PlatformUtils.lightHaptic();
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widget.onSendMessage(text);
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_controller.clear();
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// Keep tools and web search enabled for the conversation
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// Keep input expanded and focused for better UX - don't dismiss keyboard
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// KeyboardUtils.dismissKeyboard(context);
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// _setExpanded(false);
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}
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void _setExpanded(bool expanded) {
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if (_isExpanded == expanded) return;
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setState(() {
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_isExpanded = expanded;
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});
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if (expanded) {
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_expandController.forward();
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} else {
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_expandController.reverse();
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}
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}
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@override
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Widget build(BuildContext context) {
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// Check if assistant is currently generating by checking last assistant message streaming
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final messages = ref.watch(chatMessagesProvider);
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final isGenerating =
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messages.isNotEmpty &&
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messages.last.role == 'assistant' &&
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messages.last.isStreaming;
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final stopGeneration = ref.read(stopGenerationProvider);
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return Container(
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// Transparent wrapper so rounded corners are visible against page background
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color: Colors.transparent,
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padding: EdgeInsets.only(
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left: 0,
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right: 0,
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top: Spacing.xs.toDouble(),
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bottom: 0,
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Main input area with unified 2-row design
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Container(
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clipBehavior: Clip.antiAlias,
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padding: EdgeInsets.only(
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bottom: MediaQuery.of(context).padding.bottom,
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),
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decoration: BoxDecoration(
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color: context.conduitTheme.inputBackground,
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(AppBorderRadius.xl),
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bottom: Radius.circular(0),
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),
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border: Border(
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top: BorderSide(
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color: context.conduitTheme.inputBorder,
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width: BorderWidth.regular,
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),
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left: BorderSide(
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color: context.conduitTheme.inputBorder,
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width: BorderWidth.regular,
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),
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right: BorderSide(
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color: context.conduitTheme.inputBorder,
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width: BorderWidth.regular,
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),
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// Removed bottom border to eliminate divider
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),
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boxShadow: ConduitShadows.input,
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),
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width: double.infinity,
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child: ConstrainedBox(
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constraints: BoxConstraints(
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// cap the input area to 40% of screen height to avoid bottom overflow
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maxHeight: MediaQuery.of(context).size.height * 0.4,
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),
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child: AnimatedSize(
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duration:
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AnimationDuration.fast, // Faster for better responsiveness
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curve: Curves.fastOutSlowIn, // More efficient curve
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alignment: Alignment.topCenter,
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child: SingleChildScrollView(
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physics: const ClampingScrollPhysics(),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Collapsed/Expanded top row: text input with left/right buttons in collapsed
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Padding(
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padding: const EdgeInsets.all(Spacing.inputPadding),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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if (!_isExpanded) ...[
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_buildRoundButton(
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icon: Icons.add,
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onTap: widget.enabled
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? _showAttachmentOptions
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: null,
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tooltip: 'Add attachment',
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),
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const SizedBox(width: Spacing.sm),
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],
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// Text input expands to fill
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Expanded(
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child: Semantics(
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textField: true,
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label: 'Message input',
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hint: 'Type your message',
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child: TextField(
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controller: _controller,
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focusNode: _focusNode,
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enabled: widget.enabled,
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autofocus: false,
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maxLines: _isExpanded ? null : 1,
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keyboardType: TextInputType.multiline,
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textInputAction: TextInputAction.newline,
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showCursor: true,
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cursorColor: context.conduitTheme.inputText,
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style: AppTypography.chatMessageStyle
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.copyWith(
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color: context.conduitTheme.inputText,
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),
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decoration: InputDecoration(
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hintText: 'Message...',
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hintStyle: TextStyle(
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color:
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context.conduitTheme.inputPlaceholder,
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fontSize: AppTypography.bodyLarge,
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fontWeight: _isRecording
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? FontWeight.w500
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: FontWeight.w400,
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fontStyle: _isRecording
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? FontStyle.italic
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: FontStyle.normal,
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),
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// Ensure the text field background matches its parent container
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// and does not use the global InputDecorationTheme fill
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filled: false,
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border: InputBorder.none,
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enabledBorder: InputBorder.none,
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focusedBorder: InputBorder.none,
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errorBorder: InputBorder.none,
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disabledBorder: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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isDense: true,
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alignLabelWithHint: true,
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),
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// Removed onChanged setState to reduce rebuilds
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onSubmitted: (_) => _sendMessage(),
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onTap: () {
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if (!widget.enabled) return;
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if (!_isExpanded) {
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_setExpanded(true);
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WidgetsBinding.instance
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.addPostFrameCallback((_) {
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if (!mounted) return;
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_ensureFocusedIfEnabled();
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});
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} else {
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_ensureFocusedIfEnabled();
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}
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},
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),
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),
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),
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if (!_isExpanded) ...[
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const SizedBox(width: Spacing.sm),
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// Primary action button (Send/Stop) when collapsed
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_buildPrimaryButton(
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_hasText,
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isGenerating,
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stopGeneration,
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),
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],
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],
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),
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),
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// Expanded bottom row with additional options
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if (_isExpanded) ...[
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Container(
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padding: const EdgeInsets.only(
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left: Spacing.inputPadding,
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right: Spacing.inputPadding,
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bottom: Spacing.inputPadding,
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),
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child: FadeTransition(
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opacity: _expandController,
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child: Row(
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children: [
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_buildRoundButton(
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icon: Icons.add,
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onTap: widget.enabled
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? _showAttachmentOptions
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: null,
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tooltip: 'Add attachment',
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),
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const SizedBox(width: Spacing.sm),
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// Tools button
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_buildRoundButton(
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icon: Icons.build,
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onTap: widget.enabled
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? () {
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_showUnifiedToolsModal();
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}
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: null,
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tooltip: 'Tools',
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isActive:
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ref
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.watch(selectedToolIdsProvider)
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.isNotEmpty ||
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ref.watch(webSearchEnabledProvider),
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),
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const Spacer(),
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// Microphone button: call provided callback for premium voice UI
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_buildRoundButton(
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icon: Platform.isIOS
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? CupertinoIcons.mic_fill
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: Icons.mic,
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onTap: widget.enabled
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? widget.onVoiceInput
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: null,
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tooltip: 'Voice input',
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isActive: _isRecording,
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),
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const SizedBox(width: Spacing.sm),
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// Primary action button (Send/Stop) when expanded
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_buildPrimaryButton(
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_hasText,
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isGenerating,
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stopGeneration,
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),
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],
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),
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),
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),
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],
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],
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),
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),
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),
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),
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),
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],
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),
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);
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}
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Widget _buildPrimaryButton(
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bool hasText,
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bool isGenerating,
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void Function() stopGeneration,
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) {
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// Spec: 48px touch target, circular radius, md icon size
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const double buttonSize = TouchTarget.comfortable; // 48.0
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const double radius = AppBorderRadius.round; // big to ensure circle
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final enabled = !isGenerating && hasText && widget.enabled;
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// Generating -> STOP variant
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if (isGenerating) {
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return Tooltip(
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message: 'Stop generating',
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child: GestureDetector(
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onTap: stopGeneration,
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child: Container(
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width: buttonSize,
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height: buttonSize,
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decoration: BoxDecoration(
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color: context.conduitTheme.error.withValues(
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alpha: Alpha.buttonPressed,
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),
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borderRadius: BorderRadius.circular(radius),
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border: Border.all(
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color: context.conduitTheme.error,
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width: BorderWidth.regular,
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),
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boxShadow: ConduitShadows.button,
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),
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child: Stack(
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alignment: Alignment.center,
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children: [
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SizedBox(
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width: buttonSize - 18,
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height: buttonSize - 18,
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child: CircularProgressIndicator(
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strokeWidth: BorderWidth.medium,
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valueColor: AlwaysStoppedAnimation<Color>(
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context.conduitTheme.error,
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),
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),
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),
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Icon(
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Platform.isIOS ? CupertinoIcons.stop_fill : Icons.stop,
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size: IconSize.medium,
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color: context.conduitTheme.error,
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),
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],
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),
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),
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),
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);
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}
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// Default SEND variant
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return Tooltip(
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message: enabled ? 'Send message' : 'Send',
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child: GestureDetector(
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onTap: enabled ? _sendMessage : null,
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child: Opacity(
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opacity: enabled ? Alpha.primary : Alpha.disabled,
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child: IgnorePointer(
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ignoring: !enabled,
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child: Container(
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width: buttonSize,
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height: buttonSize,
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decoration: BoxDecoration(
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color: context.conduitTheme.cardBackground,
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borderRadius: BorderRadius.circular(radius),
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border: Border.all(
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color: enabled
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? context.conduitTheme.cardBorder
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: context.conduitTheme.cardBorder.withValues(
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alpha: Alpha.medium,
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),
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width: BorderWidth.regular,
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),
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boxShadow: ConduitShadows.button,
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),
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child: Icon(
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Platform.isIOS ? CupertinoIcons.arrow_up : Icons.arrow_upward,
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size: IconSize.medium,
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color: enabled
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? context.conduitTheme.textPrimary
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: context.conduitTheme.textPrimary.withValues(
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alpha: Alpha.disabled,
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),
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),
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),
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),
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),
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),
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);
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}
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Widget _buildRoundButton({
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required IconData icon,
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VoidCallback? onTap,
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String? tooltip,
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bool isActive = false,
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bool showBackground = true,
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}) {
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return Tooltip(
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message: tooltip ?? '',
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child: GestureDetector(
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onTap: onTap,
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child: Container(
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width: TouchTarget.comfortable,
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height: TouchTarget.comfortable,
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decoration: BoxDecoration(
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color: isActive
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? context.conduitTheme.textPrimary.withValues(
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alpha: Alpha.buttonHover,
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)
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: showBackground
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? context.conduitTheme.cardBackground
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: Colors.transparent,
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borderRadius: BorderRadius.circular(AppBorderRadius.xl),
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border: Border.all(
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color: isActive
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? context.conduitTheme.textPrimary.withValues(
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alpha: Alpha.buttonHover + Alpha.subtle,
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)
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: showBackground
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? context.conduitTheme.cardBorder
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: Colors.transparent,
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width: BorderWidth.regular,
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),
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boxShadow: (isActive || showBackground)
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? ConduitShadows.button
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: null,
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),
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child: Icon(
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icon,
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size: IconSize.medium,
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color: widget.enabled
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? (isActive
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? context.conduitTheme.textPrimary
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: context.conduitTheme.textPrimary.withValues(
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alpha: Alpha.strong,
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))
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: context.conduitTheme.textPrimary.withValues(
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alpha: Alpha.disabled,
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),
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),
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),
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),
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);
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}
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void _showAttachmentOptions() {
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showModalBottomSheet(
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context: context,
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backgroundColor: Colors.transparent,
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builder: (context) => Container(
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decoration: BoxDecoration(
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color: context.conduitTheme.surfaceBackground,
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borderRadius: const BorderRadius.vertical(
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|
top: Radius.circular(AppBorderRadius.bottomSheet),
|
|
),
|
|
boxShadow: ConduitShadows.modal,
|
|
),
|
|
padding: const EdgeInsets.all(Spacing.bottomSheetPadding),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
// Handle bar
|
|
Container(
|
|
width: 40,
|
|
height: 4,
|
|
decoration: BoxDecoration(
|
|
color: context.conduitTheme.textPrimary.withValues(
|
|
alpha: Alpha.medium,
|
|
),
|
|
borderRadius: BorderRadius.circular(2),
|
|
),
|
|
),
|
|
const SizedBox(height: Spacing.lg),
|
|
|
|
// Options grid
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
|
children: [
|
|
_buildAttachmentOption(
|
|
icon: Platform.isIOS ? CupertinoIcons.doc : Icons.attach_file,
|
|
label: 'File',
|
|
onTap: () {
|
|
Navigator.pop(context); // Close modal
|
|
widget.onFileAttachment?.call();
|
|
},
|
|
),
|
|
_buildAttachmentOption(
|
|
icon: Platform.isIOS ? CupertinoIcons.photo : Icons.image,
|
|
label: 'Photo',
|
|
onTap: () {
|
|
Navigator.pop(context); // Close modal
|
|
widget.onImageAttachment?.call();
|
|
},
|
|
),
|
|
_buildAttachmentOption(
|
|
icon: Platform.isIOS
|
|
? CupertinoIcons.camera
|
|
: Icons.camera_alt,
|
|
label: 'Camera',
|
|
onTap: () {
|
|
Navigator.pop(context); // Close modal
|
|
widget.onCameraCapture?.call();
|
|
},
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: Spacing.lg),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showUnifiedToolsModal() {
|
|
showModalBottomSheet(
|
|
context: context,
|
|
backgroundColor: Colors.transparent,
|
|
builder: (context) => const UnifiedToolsModal(),
|
|
);
|
|
}
|
|
|
|
Widget _buildAttachmentOption({
|
|
required IconData icon,
|
|
required String label,
|
|
VoidCallback? onTap,
|
|
}) {
|
|
return GestureDetector(
|
|
onTap: onTap,
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Container(
|
|
width: 64,
|
|
height: 64,
|
|
decoration: BoxDecoration(
|
|
color: context.conduitTheme.textPrimary.withValues(
|
|
alpha: Alpha.subtle,
|
|
),
|
|
borderRadius: BorderRadius.circular(AppBorderRadius.lg),
|
|
border: Border.all(
|
|
color: context.conduitTheme.textPrimary.withValues(
|
|
alpha: Alpha.subtle,
|
|
),
|
|
width: BorderWidth.regular,
|
|
),
|
|
),
|
|
child: Icon(
|
|
icon,
|
|
color: context.conduitTheme.textPrimary,
|
|
size: IconSize.xl,
|
|
),
|
|
),
|
|
const SizedBox(height: Spacing.sm),
|
|
Text(
|
|
label,
|
|
style: AppTypography.labelStyle.copyWith(
|
|
color: context.conduitTheme.textPrimary,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|