| 1 | import 'package:flutter/material.dart'; |
| 2 | |
| 3 | import 'providers/voice_mode_provider.dart'; |
| 4 | |
| 5 | /// Accent color palette used across the voice-mode UI (overlay header, |
| 6 | /// waveform visualizer, transcript badge, control buttons). |
| 7 | /// |
| 8 | /// Centralised so the same phase always renders with the same colour |
| 9 | /// regardless of which surface paints it. |
| 10 | class VoiceModePalette { |
| 11 | const VoiceModePalette._(); |
| 12 | |
| 13 | static Color accentFor(VoiceModePhase phase, {required bool isDark}) { |
| 14 | switch (phase) { |
| 15 | case VoiceModePhase.listening: |
| 16 | return isDark ? const Color(0xFF34D399) : const Color(0xFF059669); |
| 17 | case VoiceModePhase.processing: |
| 18 | return isDark ? const Color(0xFFA78BFA) : const Color(0xFF7C3AED); |
| 19 | case VoiceModePhase.speaking: |
| 20 | return isDark ? const Color(0xFF818CF8) : const Color(0xFF4F46E5); |
| 21 | case VoiceModePhase.idle: |
| 22 | return isDark ? const Color(0xFF94A3B8) : const Color(0xFF64748B); |
| 23 | case VoiceModePhase.error: |
| 24 | return const Color(0xFFEF4444); |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | /// Secondary accent color for multi-spectral gradient shaders & wave rings. |
| 29 | static Color secondaryFor(VoiceModePhase phase, {required bool isDark}) { |
| 30 | switch (phase) { |
| 31 | case VoiceModePhase.listening: |
| 32 | return isDark ? const Color(0xFF38BDF8) : const Color(0xFF0284C7); |
| 33 | case VoiceModePhase.processing: |
| 34 | return isDark ? const Color(0xFFE879F9) : const Color(0xFFC084FC); |
| 35 | case VoiceModePhase.speaking: |
| 36 | return isDark ? const Color(0xFFF472B6) : const Color(0xFFDB2777); |
| 37 | case VoiceModePhase.idle: |
| 38 | return isDark ? const Color(0xFF64748B) : const Color(0xFF475569); |
| 39 | case VoiceModePhase.error: |
| 40 | return isDark ? const Color(0xFFF87171) : const Color(0xFFDC2626); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /// Full 3D sphere gradient stops for a given phase. |
| 45 | static List<Color> sphereGradientFor( |
| 46 | VoiceModePhase phase, { |
| 47 | required bool isDark, |
| 48 | }) { |
| 49 | final accent = accentFor(phase, isDark: isDark); |
| 50 | final secondary = secondaryFor(phase, isDark: isDark); |
| 51 | |
| 52 | switch (phase) { |
| 53 | case VoiceModePhase.listening: |
| 54 | return [ |
| 55 | const Color(0xFFA7F3D0), // Soft mint top highlight |
| 56 | accent, // Emerald / Teal accent |
| 57 | secondary, // Cyan blue |
| 58 | const Color(0xFF0284C7), // Deep cyan edge |
| 59 | ]; |
| 60 | case VoiceModePhase.processing: |
| 61 | return [ |
| 62 | const Color(0xFFF0ABFC), // Bright violet light top |
| 63 | accent, // Deep purple |
| 64 | secondary, // Magenta shimmer |
| 65 | const Color(0xFF4C1D95), // Deep dark indigo edge |
| 66 | ]; |
| 67 | case VoiceModePhase.speaking: |
| 68 | return [ |
| 69 | const Color(0xFFFFAEE2), // Light peach pink top |
| 70 | const Color(0xFFF472B6), // Pink |
| 71 | accent, // Indigo / Purple |
| 72 | secondary, // Deep rose / cyan bottom |
| 73 | ]; |
| 74 | case VoiceModePhase.idle: |
| 75 | return [ |
| 76 | const Color(0xFFCBD5E1), // Cool grey light |
| 77 | accent, // Slate blue |
| 78 | secondary, // Dark slate |
| 79 | const Color(0xFF334155), // Charcoal edge |
| 80 | ]; |
| 81 | case VoiceModePhase.error: |
| 82 | return [ |
| 83 | const Color(0xFFFECDD3), // Soft rose pink highlight |
| 84 | const Color(0xFFF87171), // Vibrant coral red |
| 85 | accent, // Crimson red |
| 86 | const Color(0xFF991B1B), // Dark burgundy edge |
| 87 | ]; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /// Subtle background used behind the centred phase icon / pill. |
| 92 | static Color subtleBg(BuildContext context, {double opacity = 0.08}) { |
| 93 | final isDark = Theme.of(context).brightness == Brightness.dark; |
| 94 | return (isDark ? Colors.white : Colors.black).withValues(alpha: opacity); |
| 95 | } |
| 96 | } |