// Copyright © 2021 The CefSharp Authors. All rights reserved.

//

// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

using CefSharp.WinForms.Host;

namespace CefSharp.WinForms.Handler

{

/// <summary>

/// A WinForms Specific <see cref="ILoadHandler"/> implementation that simplifies

/// the process of hosting a Popup as a Control/Tab.Use this implementation as a base

/// for your own custom implementation if you are using <see cref="LifeSpanHandler.Create"/>

/// </summary>

public class LoadHandler : CefSharp.Handler.LoadHandler

{

/// <inheritdoc />

protected override void OnFrameLoadEnd(IWebBrowser chromiumWebBrowser, FrameLoadEndEventArgs args)

{

var browser = args.Browser;

if (browser.IsPopup)

{

var control = ChromiumHostControl.FromBrowser(browser);

control?.OnFrameLoadEnd(args);

}

base.OnFrameLoadEnd(chromiumWebBrowser, args);

}

/// <inheritdoc />

protected override void OnFrameLoadStart(IWebBrowser chromiumWebBrowser, FrameLoadStartEventArgs args)

{

var browser = args.Browser;

if (browser.IsPopup)

{

var control = ChromiumHostControl.FromBrowser(browser);

control?.OnFrameLoadStart(args);

}

base.OnFrameLoadStart(chromiumWebBrowser, args);

}

/// <inheritdoc />

protected override void OnLoadError(IWebBrowser chromiumWebBrowser, LoadErrorEventArgs args)

{

var browser = args.Browser;

if (browser.IsPopup)

{

var control = ChromiumHostControl.FromBrowser(browser);

control?.OnLoadError(args);

}

base.OnLoadError(chromiumWebBrowser, args);

}

/// <inheritdoc />

protected override void OnLoadingStateChange(IWebBrowser chromiumWebBrowser, LoadingStateChangedEventArgs args)

{

var browser = args.Browser;

if (browser.IsPopup)

{

var control = ChromiumHostControl.FromBrowser(browser);

control?.OnLoadingStateChange(args);

}

base.OnLoadingStateChange(chromiumWebBrowser, args);

}

}

}