cef/include/capi/cef_load_handler_capi.h

// Copyright (c) 2017 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
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//    * Redistributions in binary form must reproduce the above
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// in the documentation and/or other materials provided with the
// distribution.
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// Framework nor the names of its contributors may be used to endorse
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// written permission.
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// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
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// $hash=d8fa87bb47ec889cab864fe96f94e07bf1deb0f6$
//

#ifndef CEF_INCLUDE_CAPI_CEF_LOAD_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_LOAD_HANDLER_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_browser_capi.h"
#include "include/capi/cef_frame_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
// Implement this structure to handle events related to browser load status. The
// functions of this structure will be called on the browser process UI thread
// or render process main thread (TID_RENDERER).
///
typedef struct _cef_load_handler_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // 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.
  ///
  void(CEF_CALLBACK* on_loading_state_change)(struct _cef_load_handler_t* self,
                                              struct _cef_browser_t* browser,
                                              int isLoading,
                                              int canGoBack,
                                              int canGoForward);

  ///
  // Called after a navigation has been committed and before the browser begins
  // loading contents in the frame. The |frame| value will never be NULL -- call
  // the is_main() function 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 function 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.
  ///
  void(CEF_CALLBACK* on_load_start)(struct _cef_load_handler_t* self,
                                    struct _cef_browser_t* browser,
                                    struct _cef_frame_t* frame,
                                    cef_transition_type_t transition_type);

  ///
  // Called when the browser is done loading a frame. The |frame| value will
  // never be NULL -- call the is_main() function 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
  // function 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.
  ///
  void(CEF_CALLBACK* on_load_end)(struct _cef_load_handler_t* self,
                                  struct _cef_browser_t* browser,
                                  struct _cef_frame_t* frame,
                                  int httpStatusCode);

  ///
  // Called when a navigation fails or is canceled. This function 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.
  ///
  void(CEF_CALLBACK* on_load_error)(struct _cef_load_handler_t* self,
                                    struct _cef_browser_t* browser,
                                    struct _cef_frame_t* frame,
                                    cef_errorcode_t errorCode,
                                    const cef_string_t* errorText,
                                    const cef_string_t* failedUrl);
} cef_load_handler_t;

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_LOAD_HANDLER_CAPI_H_