/**
Copyright 2024 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import cn from "classnames";
import React, { memo, ReactNode, RefObject, useEffect, useState } from "react";
import { useLiveAPIContext } from "../../contexts/LiveAPIContext";
import { AudioRecorder } from "../../lib/audio-recorder";
import LogoAnimation from '../logo-animation/LogoAnimation'; // ایمپورت کامپوننت لوگو
// آیکون توقف (Pause)
const SvgPauseIcon = () => ;
// آیکون دوربین
const SvgCameraIcon = () => ;
// آیکون توقف دوربین
const SvgStopCamIcon = () => ;
// آیکون تعویض دوربین
const SvgSwitchCameraIcon = () => ;
export type ControlTrayProps = {
videoRef: RefObject;
supportsVideo: boolean;
onVideoStreamChange: (stream: MediaStream | null) => void;
isAppMicActive: boolean;
onAppMicToggle: (active: boolean) => void;
isAppCamActive: boolean;
onAppCamToggle: (active: boolean) => void;
ReferenceMicrophoneIcon: () => JSX.Element;
};
const ControlTray: React.FC = ({
videoRef,
onVideoStreamChange,
supportsVideo,
isAppMicActive,
onAppMicToggle,
isAppCamActive,
onAppCamToggle,
ReferenceMicrophoneIcon,
}) => {
const { client, connected, connect } = useLiveAPIContext();
const [audioRecorder] = useState(() => new AudioRecorder());
const [activeLocalVideoStream, setActiveLocalVideoStream] = useState(null);
const [currentFacingMode, setCurrentFacingMode] = useState<'user' | 'environment'>('user');
const [isSwitchingCamera, setIsSwitchingCamera] = useState(false);
const renderCanvasRef = React.useRef(null);
useEffect(() => {
if (isAppCamActive && !activeLocalVideoStream && !isSwitchingCamera) {
startWebcam();
} else if (!isAppCamActive && activeLocalVideoStream) {
stopWebcam();
}
}, [isAppCamActive, activeLocalVideoStream, isSwitchingCamera]);
useEffect(() => {
const onData = (base64: string) => {
if (client && connected && isAppMicActive) {
client.sendRealtimeInput([{ mimeType: "audio/pcm;rate=16000", data: base64 }]);
}
};
if (connected && isAppMicActive && audioRecorder) {
audioRecorder.on("data", onData).start();
} else if (audioRecorder && audioRecorder.recording) {
audioRecorder.stop();
}
return () => {
if (audioRecorder) {
audioRecorder.off("data", onData);
if (audioRecorder.recording) audioRecorder.stop();
}
};
}, [connected, client, isAppMicActive, audioRecorder]);
useEffect(() => {
let timeoutId = -1;
function sendVideoFrame() {
if (connected && activeLocalVideoStream && client && videoRef.current) {
const video = videoRef.current;
const canvas = renderCanvasRef.current;
if (!canvas || video.readyState < video.HAVE_METADATA || video.paused || video.ended) {
if (activeLocalVideoStream) timeoutId = window.setTimeout(sendVideoFrame, 1000 / 4);
return;
}
try {
const ctx = canvas.getContext("2d");
if (!ctx) return;
const scale = 0.5;
canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
if (canvas.width > 0 && canvas.height > 0) {
ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
const base64 = canvas.toDataURL("image/jpeg", 0.8);
const data = base64.slice(base64.indexOf(",") + 1);
if (data) client.sendRealtimeInput([{ mimeType: "image/jpeg", data }]);
}
} catch (error) { console.error("❌ Error frame:", error); }
}
if (connected && activeLocalVideoStream) {
timeoutId = window.setTimeout(sendVideoFrame, 1000 / 4);
}
}
if (connected && activeLocalVideoStream && videoRef.current) {
timeoutId = window.setTimeout(sendVideoFrame, 200);
}
return () => clearTimeout(timeoutId);
}, [connected, activeLocalVideoStream, client, videoRef, renderCanvasRef]);
useEffect(() => {
if (videoRef.current) {
if (videoRef.current.srcObject !== activeLocalVideoStream) {
videoRef.current.srcObject = activeLocalVideoStream;
if (activeLocalVideoStream) {
videoRef.current.play().catch(e => console.warn("Video play failed:", e));
}
}
}
}, [activeLocalVideoStream, videoRef]);
const ensureConnectedAndReady = async (): Promise => {
if (!connected) {
try { await connect(); return true; }
catch (err) { console.error('❌ CT Connect err:', err); return false; }
}
return true;
};
const handleMicToggle = async () => {
if (isSwitchingCamera) return;
const newMicState = !isAppMicActive;
if (newMicState && !(await ensureConnectedAndReady())) {
onAppMicToggle(false); return;
}
onAppMicToggle(newMicState);
};
const startWebcam = async (facingModeToTry: 'user' | 'environment' = currentFacingMode) => {
if (isSwitchingCamera) return;
setIsSwitchingCamera(true);
try {
const mediaStream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: facingModeToTry }, audio: false });
setActiveLocalVideoStream(mediaStream); onVideoStreamChange(mediaStream); setCurrentFacingMode(facingModeToTry);
} catch (error) {
console.error(`❌ Start WC err ${facingModeToTry}:`, error);
setActiveLocalVideoStream(null); onVideoStreamChange(null); onAppCamToggle(false);
} finally { setIsSwitchingCamera(false); }
};
const stopWebcam = () => {
if (activeLocalVideoStream) activeLocalVideoStream.getTracks().forEach(track => track.stop());
setActiveLocalVideoStream(null); onVideoStreamChange(null);
};
const handleCamToggle = async () => {
if (isSwitchingCamera) return;
const newCamState = !isAppCamActive;
if (newCamState) {
if (!(await ensureConnectedAndReady())) {
onAppCamToggle(false);
return;
}
if (!isAppMicActive) {
onAppMicToggle(true);
}
onAppCamToggle(true);
} else {
onAppCamToggle(false);
}
};
const handleSwitchCamera = async () => {
if (!isAppCamActive || !activeLocalVideoStream || isSwitchingCamera) return;
setIsSwitchingCamera(true);
const targetFacingMode = currentFacingMode === 'user' ? 'environment' : 'user';
activeLocalVideoStream.getTracks().forEach(track => track.stop());
try {
const newStream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: { exact: targetFacingMode } }, audio: false });
setActiveLocalVideoStream(newStream); onVideoStreamChange(newStream); setCurrentFacingMode(targetFacingMode);
} catch (error) {
console.error(`❌ Switch Cam err ${targetFacingMode}:`, error);
try {
const restoredStream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: currentFacingMode }, audio: false });
setActiveLocalVideoStream(restoredStream); onVideoStreamChange(restoredStream);
} catch (restoreError) {
console.error('❌ Restore Cam err:', restoreError);
setActiveLocalVideoStream(null); onVideoStreamChange(null); onAppCamToggle(false);
}
} finally { setIsSwitchingCamera(false); }
};
return (
);
};
export default memo(ControlTray);