// Copyright © 2015 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.
|
|
namespace CefSharp
|
{
|
/// <summary>
|
/// Implement this interface to handle events related to browser load status.
|
/// The methods of this interface will be called on the CEF UI thread. Blocking in these methods
|
/// will likely cause your UI to become unresponsive and/or hang.
|
/// </summary>
|
public interface ILoadHandler
|
{
|
/// <summary>
|
/// Called when the loading state has changed. This callback will be executed twice
|
/// once when loading is initiated either programmatically or by user action,
|
/// and once when loading is terminated due to completion, cancellation of failure.
|
/// This method will be called on the CEF UI thread.
|
/// Blocking this thread will likely cause your UI to become unresponsive and/or hang.
|
/// </summary>
|
/// <param name="chromiumWebBrowser">the ChromiumWebBrowser control</param>
|
/// <param name="loadingStateChangedArgs">args</param>
|
void OnLoadingStateChange(IWebBrowser chromiumWebBrowser, LoadingStateChangedEventArgs loadingStateChangedArgs);
|
|
/// <summary>
|
/// Called when the browser begins loading a frame.
|
/// The <see cref="FrameLoadEndEventArgs.Frame"/> value will never be empty
|
/// Check the <see cref="IFrame.IsMain"/> method to see if this frame is the main frame.
|
/// Multiple frames may be loading at the same time. Sub-frames may start or continue loading after the main frame load has ended.
|
/// This method may not be called for a particular frame if the load request for that frame fails.
|
/// For notification of overall browser load status use <see cref="OnLoadingStateChange"/> instead.
|
/// This method will be called on the CEF UI thread.
|
/// Blocking this thread will likely cause your UI to become unresponsive and/or hang.
|
/// </summary>
|
/// <param name="chromiumWebBrowser">the ChromiumWebBrowser control</param>
|
/// <param name="frameLoadStartArgs">args</param>
|
/// <remarks>Whilst thist may seem like a logical place to execute js, it's called before the DOM has been loaded, implement
|
/// <see cref="IRenderProcessMessageHandler.OnContextCreated"/> as it's called when the underlying V8Context is created
|
/// (Only called for the main frame at this stage)</remarks>
|
void OnFrameLoadStart(IWebBrowser chromiumWebBrowser, FrameLoadStartEventArgs frameLoadStartArgs);
|
|
/// <summary>
|
/// Called when the browser is done loading a frame.
|
/// The <see cref="FrameLoadEndEventArgs.Frame"/> value will never be empty
|
/// Check the <see cref="IFrame.IsMain"/> method to see if this frame is the main frame.
|
/// Multiple frames may be loading at the same time. Sub-frames may start or continue loading after the main frame load has ended.
|
/// This method will always be called for all frames irrespective of whether the request completes successfully.
|
/// This method will be called on the CEF UI thread.
|
/// Blocking this thread will likely cause your UI to become unresponsive and/or hang.
|
/// </summary>
|
/// <param name="chromiumWebBrowser">the ChromiumWebBrowser control</param>
|
/// <param name="frameLoadEndArgs">args</param>
|
void OnFrameLoadEnd(IWebBrowser chromiumWebBrowser, FrameLoadEndEventArgs frameLoadEndArgs);
|
|
/// <summary>
|
/// Called when the resource load for a navigation fails or is canceled.
|
/// <see cref="LoadErrorEventArgs.ErrorCode"/> is the error code number, <see cref="LoadErrorEventArgs.ErrorText"/> is the error text and
|
/// <see cref="LoadErrorEventArgs.FailedUrl"/> is the URL that failed to load. See net\base\net_error_list.h
|
/// for complete descriptions of the error codes.
|
/// This method will be called on the CEF UI thread.
|
/// Blocking this thread will likely cause your UI to become unresponsive and/or hang.
|
/// </summary>
|
/// <param name="chromiumWebBrowser">the ChromiumWebBrowser control</param>
|
/// <param name="loadErrorArgs">args</param>
|
void OnLoadError(IWebBrowser chromiumWebBrowser, LoadErrorEventArgs loadErrorArgs);
|
}
|
}
|
