ব্যাকগ্রাউন্ডে ব্রাউজার ট্যাব ও প্রসেস সচল রাখার পূর্ণাঙ্গ গাইড: Anti-Throttling ও Keep-Alive টেকনিক

allow pasting

window.keepAlive = (function() {
    let timerId = null;
    let count = 0;
    let lastRun = null;

    function doAction() {
        count++;
        lastRun = new Date();
        
        // Save current scroll position
        const startX = window.scrollX;
        const startY = window.scrollY;
        
        // Minimal scroll to trigger activity
        window.scrollBy(0, 1);
        
        // Immediately restore position
        window.scrollTo(startX, startY);
    }

    return {
        start: function() {
            if (timerId) {
                console.warn("[keepAlive] Already running!");
                return;
            }
            console.log("[keepAlive] Started.");
            // Execute every 30 seconds
            timerId = setInterval(doAction, 30000);
            doAction(); // Run once immediately
        },
        stop: function() {
            if (timerId) {
                clearInterval(timerId);
                timerId = null;
                console.log("[keepAlive] Stopped.");
            } else {
                console.log("[keepAlive] Not running.");
            }
        },
        status: function() {
            console.log(`=== keepAlive Status ===`);
            console.log(`State: ${timerId ? "RUNNING" : "STOPPED"}`);
            console.log(`Execution Count: ${count}`);
            console.log(`Last Run: ${lastRun ? lastRun.toLocaleTimeString() : "Never"}`);
            console.log(`Visibility State: ${document.visibilityState}`);
            console.log(`Document Hidden: ${document.hidden}`);
            console.log(`========================`);
        }
    };
})();

keepAlive.start()

keepAlive.stop()

keepAlive.status()

window.addEventListener("scroll")

window.workerKeepAlive = (function() {
    let worker = null;
    let count = 0;
    let lastRun = null;

    const workerCode = `
        let timer = null;
        self.onmessage = function(e) {
            if (e.data === "start") {
                if(timer) return;
                timer = setInterval(() => self.postMessage("tick"), 30000);
            } else if (e.data === "stop") {
                clearInterval(timer);
                timer = null;
            }
        };
    `;

    return {
        start: function() {
            if (worker) {
                console.warn("[workerKeepAlive] Already running!");
                return;
            }
            const blob = new Blob([workerCode], { type: "application/javascript" });
            worker = new Worker(URL.createObjectURL(blob));
            
            worker.onmessage = function(e) {
                if (e.data === "tick") {
                    count++;
                    lastRun = new Date();
                    const x = window.scrollX, y = window.scrollY;
                    window.scrollBy(0, 1);
                    window.scrollTo(x, y);
                }
            };
            worker.postMessage("start");
            console.log("[workerKeepAlive] Worker Started.");
        },
        stop: function() {
            if(worker) {
                worker.postMessage("stop");
                worker.terminate();
                worker = null;
                console.log("[workerKeepAlive] Worker Stopped.");
            }
        },
        status: function() {
            console.log(`Worker State: ${worker ? "RUNNING" : "STOPPED"} | Executions: ${count}`);
        }
    }
})();

workerKeepAlive.start()

workerKeepAlive.stop()

workerKeepAlive.status()

chrome://settings/performance

brave://settings/system

--disable-background-timer-throttling

--disable-renderer-backgrounding

--disable-backgrounding-occluded-windows

/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --disable-background-timer-throttling --disable-renderer-backgrounding --disable-backgrounding-occluded-windows --user-data-dir="/tmp/chrome_dev"

/Applications/Brave\ Browser.app/Contents/MacOS/Brave\ Browser --disable-background-timer-throttling --disable-renderer-backgrounding --disable-backgrounding-occluded-windows --user-data-dir="/tmp/brave_dev"

"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-timer-throttling --disable-renderer-backgrounding --disable-backgrounding-occluded-windows --user-data-dir="%TEMP%\chrome_dev"

"C:\Program Files\BraveSoftware\Brave-Browser\Application\brave.exe" --disable-background-timer-throttling --disable-renderer-backgrounding --disable-backgrounding-occluded-windows --user-data-dir="%TEMP%\brave_dev"

#!/bin/bash
# Save as keep_focused.sh and run with: bash keep_focused.sh
echo "Starting focus loop. Press Ctrl+C to stop."
while true; do
    osascript -e '
    tell application "System Events"
        if exists (processes where name is "Google Chrome") then
            tell application "Google Chrome" to activate
        end if
    end tell'
    sleep 10
done

# Save as KeepFocused.ps1 and run in PowerShell. Press Ctrl+C to stop.
$code = @"
using System;
using System.Runtime.InteropServices;
public class WinAPI {
    [DllImport("user32.dll")]
    public static extern bool SetForegroundWindow(IntPtr hWnd);
    [DllImport("user32.dll")]
    public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
}
"@
Add-Type -TypeDefinition $code

Write-Host "Starting focus loop for Chrome. Press Ctrl+C to stop."
while ($true) {
    $process = Get-Process chrome -ErrorAction SilentlyContinue | Where-Object {$_.MainWindowTitle -ne ""} | Select-Object -First 1
    if ($process) {
        [WinAPI]::ShowWindow($process.MainWindowHandle, 9) # 9 = Restore
        [WinAPI]::SetForegroundWindow($process.MainWindowHandle)
    }
    Start-Sleep -Seconds 10
}

keepAlive.start()

keepAlive.status()