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Class CefLoadHandler

CefBaseRefCounted
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   +--CefLoadHandler

class CefLoadHandler

extends CefBaseRefCounted

Implement this interface to handle events related to browser load status. The methods of this class will be called on the browser process UI thread or render process main thread (TID_RENDERER).

OnLoadEnd

public virtual void OnLoadEnd( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, int httpStatusCode );

Called when the browser is done loading a frame. The |frame| value will never be empty -- call the IsMain() method to check 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 not be called for same page navigations (fragments, history state, etc.) or for navigations that fail or are canceled before commit. For notification of overall browser load status use OnLoadingStateChange instead.

OnLoadError

public virtual void OnLoadError( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, CefLoadHandler::ErrorCode errorCode, const CefString& errorText, const CefString& failedUrl );

Called when a navigation fails or is canceled. This method may be called by itself if before commit or in combination with OnLoadStart/OnLoadEnd if after commit. |errorCode| is the error code number, |errorText| is the error text and |failedUrl| is the URL that failed to load. See net\base\net_error_list.h for complete descriptions of the error codes.

OnLoadingStateChange

public virtual void OnLoadingStateChange( CefRefPtr< CefBrowser > browser, bool isLoading, bool canGoBack, bool canGoForward );

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. It will be called before any calls to OnLoadStart and after all calls to OnLoadError and/or OnLoadEnd.

OnLoadStart

public virtual void OnLoadStart( CefRefPtr< CefBrowser > browser, CefRefPtr< CefFrame > frame, CefLoadHandler::TransitionType transition_type );

Called after a navigation has been committed and before the browser begins loading contents in the frame. The |frame| value will never be empty -- call the IsMain() method to check if this frame is the main frame. |transition_type| provides information about the source of the navigation and an accurate value is only available in the browser process. 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 not be called for same page navigations (fragments, history state, etc.) or for navigations that fail or are canceled before commit. For notification of overall browser load status use OnLoadingStateChange instead.