Matrix

import {  STATUS_MATRIX_STATES,  type MatrixColors,  type MatrixState,} from "./types";export const STATUS_MATRIX_CONFIG = {  size: 36,  transitionDuration: 420,} as const;export const STATUS_MATRIX_COLORS = {  error: "#ff2e3a",  info: "#2e80ff",  neutral: "#e8ebed",  offline: "#737880",  recording: "#ff3340",  success: "#14e088",  warning: "#ff9e0a",} satisfies MatrixColors;export const STATUS_MATRIX_STATE_INDEX = Object.fromEntries(  STATUS_MATRIX_STATES.map((state, index) => [state, index]),) as Record<MatrixState, number>;

import {  Canvas,  Fill,  Shader,  Skia,  useCanvasSize,  useClock,} from "@shopify/react-native-skia";import { StyleSheet } from "react-native";import {  useDerivedValue,  useReducedMotion,  type SharedValue,} from "react-native-reanimated";import {  STATUS_MATRIX_COLORS,  STATUS_MATRIX_STATE_INDEX,} from "./config";import type { MatrixColors } from "./types";const matrixEffect = Skia.RuntimeEffect.Make(`    uniform float2 resolution;    uniform float time;    uniform float currentState;    uniform float previousState;    uniform float transition;    uniform float4 neutralColor;    uniform float4 recordingColor;    uniform float4 successColor;    uniform float4 errorColor;    uniform float4 warningColor;    uniform float4 infoColor;    uniform float4 offlineColor;    const float TAU = 6.28318530718;    float clamp01(float value) {      return clamp(value, 0.0, 1.0);    }    float point(float2 cell, float x, float y) {      return (1.0 - step(0.1, abs(cell.x - x))) *        (1.0 - step(0.1, abs(cell.y - y)));    }    float within(float value, float minimum, float maximum) {      return step(minimum - 0.1, value) * step(value, maximum + 0.1);    }    float noiseHash(float2 point) {      return fract(sin(dot(point, float2(127.1, 311.7))) * 43758.5453123);    }    float softNoise(float2 cell, float phase) {      float base = noiseHash(cell + floor(phase) * 17.0);      float next = noiseHash(cell + (floor(phase) + 1.0) * 17.0);      float mixAmount = smoothstep(0.0, 1.0, fract(phase));      return mix(base, next, mixAmount);    }    float cycleWave(float elapsed, float duration, float phase) {      return 0.5 + 0.5 * sin(elapsed * TAU / duration + phase);    }    float streamColumnPhase(float x) {      if (x < -1.5) {        return 1.44;      }      if (x < -0.5) {        return 1.57;      }      if (x < 0.5) {        return 0.92;      }      if (x < 1.5) {        return 1.93;      }      return 0.22;    }    float recordingCross(float2 cell) {      float vertical = point(cell, 0.0, -1.0) +        point(cell, 0.0, 0.0) +        point(cell, 0.0, 1.0);      float horizontal = point(cell, -1.0, 0.0) +        point(cell, 1.0, 0.0);      return clamp01(vertical + horizontal);    }    float check(float2 cell) {      return clamp01(        point(cell, -2.0, 1.0) +        point(cell, -1.0, 2.0) +        point(cell, 0.0, 1.0) +        point(cell, 1.0, 0.0) +        point(cell, 2.0, -1.0)      );    }    float errorX(float2 cell) {      return clamp01(        point(cell, -2.0, -2.0) + point(cell, 2.0, -2.0) +        point(cell, -1.0, -1.0) + point(cell, 1.0, -1.0) +        point(cell, 0.0, 0.0) +        point(cell, -1.0, 1.0) + point(cell, 1.0, 1.0) +        point(cell, -2.0, 2.0) + point(cell, 2.0, 2.0)      );    }    float warning(float2 cell) {      return clamp01(        point(cell, 0.0, -2.0) +        point(cell, 0.0, -1.0) +        point(cell, 0.0, 0.0) +        point(cell, 0.0, 2.0)      );    }    float info(float2 cell) {      return clamp01(        point(cell, 0.0, -2.0) +        point(cell, 0.0, 0.0) +        point(cell, 0.0, 1.0) +        point(cell, 0.0, 2.0)      );    }    float pauseBars(float2 cell) {      return within(cell.y, -1.0, 1.0) *        (point(cell, -1.0, cell.y) + point(cell, 1.0, cell.y));    }    float stopBlock(float2 cell) {      return within(cell.x, -1.0, 1.0) * within(cell.y, -1.0, 1.0);    }    float4 stateSignal(float state, float2 cell, float elapsed) {      float3 color = neutralColor.rgb;      float level = 0.15;      if (state == ${STATUS_MATRIX_STATE_INDEX.idle}) {        level = 0.145;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.loading}) {        float nearGrain = softNoise(cell, elapsed * 4.1);        float farGrain = softNoise(          cell + float2(8.7, 3.1),          elapsed * 1.7 + 0.4        );        level = 0.19 + mix(nearGrain, farGrain, 0.32) * 0.62;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.thinking}) {        float diagonal = cycleWave(          elapsed,          1.2,          (cell.x + cell.y) * 0.45 - 1.43        );        level = 0.18 + diagonal * 0.67;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.streaming}) {        float stream = cycleWave(          elapsed,          0.9,          cell.y * 0.80 + streamColumnPhase(cell.x)        );        level = 0.18 + stream * 0.70;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.searching}) {        float scan = cycleWave(elapsed, 1.1, cell.x * 0.62 - 0.17);        level = 0.16 + scan * 0.70;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.syncing}) {        float syncPhase = (cell.x + cell.y) * 0.39 - 1.04 +          0.74 * exp(-pow(length(cell) * 0.8, 2.0));        float ripple = cycleWave(elapsed, 1.3, syncPhase);        level = 0.18 + ripple * 0.66;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.connecting}) {        float radialPhase = -0.96 -          1.52 * exp(-pow(length(cell) * 0.85, 2.0));        float connectPulse = cycleWave(elapsed, 1.4, radialPhase);        level = 0.17 + connectPulse * 0.75;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.waiting}) {        float waitingPoint = -2.25 + fract(elapsed / 1.2) * 4.5;        float ping = exp(-pow(abs(cell.x - waitingPoint) * 1.18, 2.0)) *          exp(-pow(abs(cell.y) * 2.8, 2.0));        level = 0.14 + ping * 0.66;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.uploading}) {        float fill = cycleWave(elapsed, 1.0, -cell.y * 0.72 - 3.93);        level = 0.25 + fill * 0.63;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.downloading}) {        float fill = cycleWave(elapsed, 1.0, cell.y * 0.72 + 2.26);        level = 0.25 + fill * 0.63;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.listening}) {        float texture = 0.5 + 0.5 * cos(          cell.y * 0.90 + elapsed * TAU        );        float flutter = softNoise(cell, elapsed * 3.5);        level = 0.20 + texture * 0.56 + flutter * 0.10;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.speaking}) {        float syllable = 0.5 + 0.5 * cos(          cell.y * 0.95 + 2.0 - elapsed * TAU / 0.575        );        float accent = softNoise(cell, elapsed * 5.5);        level = 0.17 + syllable * 0.60 + accent * 0.12;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.recording}) {        float recordPulse = cycleWave(elapsed, 1.4, -2.58);        color = recordingColor.rgb;        level = 0.11 + recordingCross(cell) *          (0.14 + recordPulse * 0.50);      } else if (state == ${STATUS_MATRIX_STATE_INDEX.success}) {        color = successColor.rgb;        level = 0.13 + check(cell) * 0.87;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.error}) {        float errorPulse = cycleWave(elapsed, 1.1, -1.78);        color = errorColor.rgb;        level = 0.11 + errorX(cell) * (0.11 + errorPulse * 0.67);      } else if (state == ${STATUS_MATRIX_STATE_INDEX.warning}) {        float warningPulse = cycleWave(elapsed, 1.6, -0.73);        color = warningColor.rgb;        level = 0.12 + warning(cell) * warningPulse * 0.84;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.info}) {        color = infoColor.rgb;        level = 0.12 + info(cell) * 0.80;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.paused}) {        level = 0.13 + pauseBars(cell) * 0.75;      } else if (state == ${STATUS_MATRIX_STATE_INDEX.stopped}) {        level = 0.12 + stopBlock(cell) * 0.77;      } else {        color = offlineColor.rgb;        level = 0.08;      }      return float4(color, level);    }    half4 main(float2 position) {      float minimumSize = max(1.0, min(resolution.x, resolution.y));      float spacing = minimumSize * 0.175;      float radius = minimumSize * 0.061;      float antialias = max(0.55, minimumSize * 0.015);      float2 center = resolution * 0.5;      float2 normalizedCell = (position - center) / spacing;      float2 cell = float2(        floor(normalizedCell.x + 0.5),        floor(normalizedCell.y + 0.5)      );      if (abs(cell.x) > 2.0 || abs(cell.y) > 2.0) {        return half4(0.0, 0.0, 0.0, 0.0);      }      float2 dotCenter = center + cell * spacing;      float dotCoverage = 1.0 - smoothstep(        radius - antialias,        radius + antialias,        length(position - dotCenter)      );      float easedTransition = smoothstep(0.0, 1.0, transition);      float4 prior = stateSignal(previousState, cell, time);      float4 current = stateSignal(currentState, cell, time);      float4 signalValue = mix(prior, current, easedTransition);      float alpha = dotCoverage * signalValue.a;      return half4(signalValue.rgb * alpha, alpha);    }`);if (!matrixEffect) {  throw new Error("Matrix shader failed to compile.");}const matrixShader = matrixEffect;export function MatrixArtwork({  colors: colorOverrides,  currentState,  paused = false,  previousState,  transition,}: {  colors?: Partial<MatrixColors>;  currentState: SharedValue<number>;  paused?: boolean;  previousState: SharedValue<number>;  transition: SharedValue<number>;}) {  const {    ref,    size: { height, width },  } = useCanvasSize();  const clock = useClock();  const reducedMotion = useReducedMotion();  const colors = {    ...STATUS_MATRIX_COLORS,    ...colorOverrides,  };  const neutralColor = Skia.Color(colors.neutral);  const recordingColor = Skia.Color(colors.recording);  const successColor = Skia.Color(colors.success);  const errorColor = Skia.Color(colors.error);  const warningColor = Skia.Color(colors.warning);  const infoColor = Skia.Color(colors.info);  const offlineColor = Skia.Color(colors.offline);  const uniforms = useDerivedValue(() => ({    currentState: currentState.get(),    errorColor,    infoColor,    neutralColor,    offlineColor,    previousState: previousState.get(),    recordingColor,    resolution: [width, height],    successColor,    time: paused || reducedMotion ? 0 : clock.get() / 1_000,    transition: transition.get(),    warningColor,  }));  return (    <Canvas      pointerEvents="none"      ref={ref}      style={StyleSheet.absoluteFill}    >      <Fill>        <Shader source={matrixShader} uniforms={uniforms} />      </Fill>    </Canvas>  );}

export const STATUS_MATRIX_STATES = [  "idle",  "loading",  "thinking",  "streaming",  "searching",  "syncing",  "connecting",  "waiting",  "uploading",  "downloading",  "listening",  "speaking",  "recording",  "success",  "error",  "warning",  "info",  "paused",  "stopped",  "offline",] as const;export type MatrixState =  (typeof STATUS_MATRIX_STATES)[number];export type MatrixColors = {  /** Color shared by neutral activity and static states. */  neutral: string;  /** Color used for the recording cross. */  recording: string;  /** Color used for the success check. */  success: string;  /** Color used for the error X. */  error: string;  /** Color used for the warning exclamation. */  warning: string;  /** Color used for the info glyph. */  info: string;  /** Color used while offline. */  offline: string;};export type MatrixBaseProps = {  /** Accessible description announced with the current state. */  accessibilityLabel?: string;  /** Color tokens resolved by the consuming app's theme. */  colors?: Partial<MatrixColors>;  /** Stops the status motion while retaining the selected state. */  paused?: boolean;  /** Height and width of the square matrix surface. */  size?: number;  /** Semantic status represented by the matrix. */  state: MatrixState;};

import { View } from "react-native";import { STATUS_MATRIX_CONFIG } from "../config";import { MatrixArtwork } from "../matrix-artwork";import type { MatrixBaseProps } from "../types";import { useMatrix } from "../use-status-matrix";import { cn } from "#shared/utils/cn";export type MatrixProps = MatrixBaseProps & {  className?: string;};/** A compact 5×5 LED matrix for semantic async and AI states. */export function Matrix({  accessibilityLabel,  className,  colors,  paused,  size = STATUS_MATRIX_CONFIG.size,  state,}: MatrixProps) {  const { currentState, previousState, transition } =    useMatrix({      paused,      state,    });  return (    <View      accessibilityLabel={accessibilityLabel ?? `${state} status`}      accessibilityRole="image"      accessible      className={cn(        "relative items-center justify-center",        className,      )}      style={{ height: size, width: size }}    >      <MatrixArtwork        colors={colors}        currentState={currentState}        paused={paused}        previousState={previousState}        transition={transition}      />    </View>  );}

import { useEffect } from "react";import {  cancelAnimation,  Easing,  useReducedMotion,  useSharedValue,  withTiming,} from "react-native-reanimated";import {  STATUS_MATRIX_CONFIG,  STATUS_MATRIX_STATE_INDEX,} from "./config";import type { MatrixState } from "./types";export function useMatrix({  paused = false,  state,}: {  paused?: boolean;  state: MatrixState;}) {  const reducedMotion = useReducedMotion();  const currentState = useSharedValue(    STATUS_MATRIX_STATE_INDEX[state],  );  const previousState = useSharedValue(    STATUS_MATRIX_STATE_INDEX[state],  );  const transition = useSharedValue(1);  useEffect(() => {    const nextState = STATUS_MATRIX_STATE_INDEX[state];    if (currentState.get() === nextState) {      return;    }    cancelAnimation(transition);    previousState.set(currentState.get());    currentState.set(nextState);    if (paused || reducedMotion) {      transition.set(1);      return;    }    transition.set(0);    transition.set(      withTiming(1, {        duration: STATUS_MATRIX_CONFIG.transitionDuration,        easing: Easing.linear,      }),    );  }, [currentState, paused, reducedMotion, state, transition, previousState]);  useEffect(    () => () => {      cancelAnimation(transition);    },    [transition],  );  return {    currentState,    previousState,    transition,  };}