LANCommander/LANCommander.Client/UI/Components/Footer.razor

@using LANCommander.Client.Models
@using System.Diagnostics
@inject DownloadService DownloadService
@inject SDK.Client Client

<footer>
    <Space Direction="DirectionVHType.Horizontal" Style="width: 100%">
        <SpaceItem Class="downloader" Style="flex-grow: 1">
            @if (CurrentQueueItem != null)
            {
                <div>@CurrentQueueItem.Title</div>
                <div>@CurrentQueueItem.Version</div>
                <Progress Percent="(CurrentQueueItem.Progress * 100)" />
            }
            else
            {
                <div>Fallout 3</div>
                <div>v1.0.0</div>
                <Progress Percent="56" />
            }
        </SpaceItem>

        <SpaceItem>
            <Button Type="@ButtonType.Primary" OnClick="() => ShowDownloadQueue()">^</Button>
        </SpaceItem>
    </Space>
</footer>

<DownloadQueue @bind-Visible="@DownloadQueueVisible" />

@code {
    IDownloadQueueItem CurrentQueueItem = null;

    bool DownloadQueueVisible = false;

    Stopwatch Stopwatch = new Stopwatch();

    protected override async Task OnInitializedAsync()
    {
        Client.Games.OnArchiveExtractionProgress += (long position, long length, SDK.Models.Game game) =>
        {
            if (!Stopwatch.IsRunning)
                Stopwatch.Start();

            if (Stopwatch.ElapsedMilliseconds > 500)
            {
                CurrentQueueItem = DownloadService.Queue.OrderByDescending(qi => qi.QueuedOn).FirstOrDefault(qi => qi.State);

                CurrentQueueItem.BytesDownloaded = position;
                CurrentQueueItem.TotalBytes = length;

                InvokeAsync(StateHasChanged);

                Stopwatch.Reset();
            }
        };

        Client.Games.OnArchiveEntryExtractionProgress += (object sender, SDK.ArchiveEntryExtractionProgressArgs e) =>
        {
            // InvokeAsync(StateHasChanged);
        };

        DownloadService.OnInstallComplete += async () =>
        {
            Stopwatch.Stop();
        };

        DownloadService.OnQueueChanged += async () =>
        {
            CurrentQueueItem = DownloadService.Queue.OrderByDescending(qi => qi.QueuedOn).FirstOrDefault(qi => qi.State);

            InvokeAsync(StateHasChanged);
        };
    }

    async Task ShowDownloadQueue()
    {
        DownloadQueueVisible = true;
    }
}