internal static Task <WebViewControlHost> CreateWebViewControlHostAsync(
this WebViewControlProcess process,
IntPtr hostWindowHandle,
Rect bounds)
{
Verify.IsNotNull(process);
Verify.IsFalse(hostWindowHandle == IntPtr.Zero);
var rect = new Windows.Foundation.Rect(bounds.X, bounds.Y, bounds.Width, bounds.Height);
return(process.CreateWebViewControlHostAsync(hostWindowHandle, rect));
}
/// <summary>
/// Creates a <see cref="IWebView"/> within the context of <paramref name="process"/>.
/// </summary>
/// <param name="process">An instance of <see cref="WebViewControlProcess" />.</param>
/// <param name="hostWindowHandle">The host window handle.</param>
/// <param name="bounds">A <see cref="Rect" /> containing numerical values that represent the location and size of the control.</param>
/// <returns>An <see cref="IWebView" /> instance.</returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="hostWindowHandle"/> is equal to <see cref="IntPtr.Zero"/>, or
/// <paramref name="process"/> is <see langword="null" />.
/// </exception>
internal static async Task <IWebView> CreateWebViewAsync(
this WebViewControlProcess process,
IntPtr hostWindowHandle,
Rect bounds)
{
if (process is null)
{
throw new ArgumentNullException(nameof(process));
}
if (hostWindowHandle == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(hostWindowHandle));
}
return(new WebView(await process.CreateWebViewControlHostAsync(hostWindowHandle, bounds).ConfigureAwait(false)));
}
/// <summary>
/// Creates a <see cref="IWebView"/> within the context of <paramref name="process"/> using the <paramref name="visual"/> to create a HWND and within the specified <paramref name="bounds"/>.
/// </summary>
/// <param name="process">An instance of <see cref="WebViewControlProcess" />.</param>
/// <param name="visual">A <see cref="Visual"/> instance in which to create a HWND.</param>
/// <param name="bounds">A <see cref="Rect" /> containing numerical values that represent the location and size of the control.</param>
/// <returns>An asynchronous operation that completes with a <see cref="IWebView"/>.</returns>
internal static async Task <IWebView> CreateWebViewAsync(this WebViewControlProcess process, Visual visual, Rect bounds)
{
HwndSource sourceHwnd;
if (!visual.Dispatcher.CheckAccess())
{
sourceHwnd = visual.Dispatcher.Invoke(() => (HwndSource)PresentationSource.FromVisual(visual));
}
else
{
sourceHwnd = (HwndSource)PresentationSource.FromVisual(visual);
}
Verify.IsNotNull(sourceHwnd);
var webViewControlHost = await process.CreateWebViewControlHostAsync(sourceHwnd?.Handle ?? IntPtr.Zero, bounds);
return(!visual.Dispatcher.CheckAccess()
? visual.Dispatcher.Invoke(() => new WebView(webViewControlHost))
: new WebView(webViewControlHost));
}