cef/include/capi/cef_render_process_handler_capi.h

// Copyright (c) 2024 Marshall A. Greenblatt. All rights reserved.
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#ifndef CEF_INCLUDE_CAPI_CEF_RENDER_PROCESS_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_RENDER_PROCESS_HANDLER_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_browser_capi.h"
#include "include/capi/cef_dom_capi.h"
#include "include/capi/cef_frame_capi.h"
#include "include/capi/cef_load_handler_capi.h"
#include "include/capi/cef_process_message_capi.h"
#include "include/capi/cef_v8_capi.h"
#include "include/capi/cef_values_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
/// Structure used to implement render process callbacks. The functions of this
/// structure will be called on the render process main thread (TID_RENDERER)
/// unless otherwise indicated.
///
typedef struct _cef_render_process_handler_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Called after WebKit has been initialized.
  ///
  void(CEF_CALLBACK* on_web_kit_initialized)(
      struct _cef_render_process_handler_t* self);

  ///
  /// Called after a browser has been created. When browsing cross-origin a new
  /// browser will be created before the old browser with the same identifier is
  /// destroyed. |extra_info| is an optional read-only value originating from
  /// cef_browser_host_t::cef_browser_host_create_browser(),
  /// cef_browser_host_t::cef_browser_host_create_browser_sync(),
  /// cef_life_span_handler_t::on_before_popup() or
  /// cef_browser_view_t::cef_browser_view_create().
  ///
  void(CEF_CALLBACK* on_browser_created)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_dictionary_value_t* extra_info);

  ///
  /// Called before a browser is destroyed.
  ///
  void(CEF_CALLBACK* on_browser_destroyed)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser);

  ///
  /// Return the handler for browser load status events.
  ///
  struct _cef_load_handler_t*(CEF_CALLBACK* get_load_handler)(
      struct _cef_render_process_handler_t* self);

  ///
  /// Called immediately after the V8 context for a frame has been created. To
  /// retrieve the JavaScript 'window' object use the
  /// cef_v8context_t::get_global() function. V8 handles can only be accessed
  /// from the thread on which they are created. A task runner for posting tasks
  /// on the associated thread can be retrieved via the
  /// cef_v8context_t::get_task_runner() function.
  ///
  void(CEF_CALLBACK* on_context_created)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_v8context_t* context);

  ///
  /// Called immediately before the V8 context for a frame is released. No
  /// references to the context should be kept after this function is called.
  ///
  void(CEF_CALLBACK* on_context_released)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_v8context_t* context);

  ///
  /// Called for global uncaught exceptions in a frame. Execution of this
  /// callback is disabled by default. To enable set
  /// cef_settings_t.uncaught_exception_stack_size > 0.
  ///
  void(CEF_CALLBACK* on_uncaught_exception)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_v8context_t* context,
      struct _cef_v8exception_t* exception,
      struct _cef_v8stack_trace_t* stackTrace);

  ///
  /// Called when a new node in the the browser gets focus. The |node| value may
  /// be NULL if no specific node has gained focus. The node object passed to
  /// this function represents a snapshot of the DOM at the time this function
  /// is executed. DOM objects are only valid for the scope of this function. Do
  /// not keep references to or attempt to access any DOM objects outside the
  /// scope of this function.
  ///
  void(CEF_CALLBACK* on_focused_node_changed)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_domnode_t* node);

  ///
  /// Called when a new message is received from a different process. Return
  /// true (1) if the message was handled or false (0) otherwise. It is safe to
  /// keep a reference to |message| outside of this callback.
  ///
  int(CEF_CALLBACK* on_process_message_received)(
      struct _cef_render_process_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      cef_process_id_t source_process,
      struct _cef_process_message_t* message);
} cef_render_process_handler_t;

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_RENDER_PROCESS_HANDLER_CAPI_H_