/// <inheritdoc/>
public async Task OnLoadedAsync()
{
var rustup = new Rustup(this.optionsModel.RustupPath);
if (!await rustup.IsInstalledAsync())
{
var infoBar = new VsUtilities.InfoBar("could not start the rls: rustup is not installed or not on the path");
await VsUtilities.ShowInfoBarAsync(infoBar, this.serviceProvider);
return;
}
var toolchain = this.optionsModel.Toolchain;
if (!await rustup.HasToolchainAsync(toolchain))
{
var infoBar = new VsUtilities.InfoBar($"configured toolchain {toolchain} is not installed", new VsUtilities.InfoBarButton("Install"));
if (await Utilities.WaitForSingleButtonInfoBarAsync(infoBar, this.serviceProvider))
{
var task = rustup.InstallToolchainAsync(toolchain);
await VsUtilities.CreateTaskAsync($"Installing {toolchain}", this.serviceProvider, task);
if (await task != 0)
{
return;
}
}
else
{
return;
}
}
// Check for necessary rls components
if (!await rustup.HasComponentAsync("rls", toolchain) ||
!await rustup.HasComponentAsync("rust-analysis", toolchain) ||
!await rustup.HasComponentAsync("rust-src", toolchain))
{
if (!await this.InstallComponentsAsync(rustup, toolchain, "rls-preview", "rust-analysis", "rust-src"))
{
var infoBar = new VsUtilities.InfoBar("could not install one of the required rls components");
await VsUtilities.ShowInfoBarAsync(infoBar, this.serviceProvider);
return;
}
}
if (this.StartAsync != null)
{
await this.StartAsync.InvokeAsync(this, EventArgs.Empty);
}
}
private async Task <bool> InstallComponentsAsync(Rustup rustup, string toolchain, params string[] components)
{
VsUtilities.InfoBar infoBar;
if (components.Length == 1)
{
infoBar = new VsUtilities.InfoBar($"component '{components[0]}' is not installed", new VsUtilities.InfoBarButton("Install"));
}
else
{
infoBar = new VsUtilities.InfoBar("required components are not installed", new VsUtilities.InfoBarButton("Install"));
}
if (await Utilities.WaitForSingleButtonInfoBarAsync(infoBar, this.serviceProvider))
{
var task = rustup.InstallComponentsAsync(toolchain, components);
await VsUtilities.CreateTaskAsync($"Installing components", this.serviceProvider, task);
return(await task == 0);
}
else
{
return(false);
}
}