// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
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// $hash=fd33ce439e4379d231b6be16bdc1786f314d98e4$
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#ifndef CEF_INCLUDE_CAPI_CEF_CONTEXT_MENU_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_CONTEXT_MENU_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"
#include "include/capi/cef_menu_model_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

struct _cef_context_menu_params_t;

///
// Callback structure used for continuation of custom context menu display.
///
typedef struct _cef_run_context_menu_callback_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Complete context menu display by selecting the specified |command_id| and
  // |event_flags|.
  ///
  void(CEF_CALLBACK* cont)(struct _cef_run_context_menu_callback_t* self,
                           int command_id,
                           cef_event_flags_t event_flags);

  ///
  // Cancel context menu display.
  ///
  void(CEF_CALLBACK* cancel)(struct _cef_run_context_menu_callback_t* self);
} cef_run_context_menu_callback_t;

///
// Implement this structure to handle context menu events. The functions of this
// structure will be called on the UI thread.
///
typedef struct _cef_context_menu_handler_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Called before a context menu is displayed. |params| provides information
  // about the context menu state. |model| initially contains the default
  // context menu. The |model| can be cleared to show no context menu or
  // modified to show a custom menu. Do not keep references to |params| or
  // |model| outside of this callback.
  ///
  void(CEF_CALLBACK* on_before_context_menu)(
      struct _cef_context_menu_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_context_menu_params_t* params,
      struct _cef_menu_model_t* model);

  ///
  // Called to allow custom display of the context menu. |params| provides
  // information about the context menu state. |model| contains the context menu
  // model resulting from OnBeforeContextMenu. For custom display return true
  // (1) and execute |callback| either synchronously or asynchronously with the
  // selected command ID. For default display return false (0). Do not keep
  // references to |params| or |model| outside of this callback.
  ///
  int(CEF_CALLBACK* run_context_menu)(
      struct _cef_context_menu_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_context_menu_params_t* params,
      struct _cef_menu_model_t* model,
      struct _cef_run_context_menu_callback_t* callback);

  ///
  // Called to execute a command selected from the context menu. Return true (1)
  // if the command was handled or false (0) for the default implementation. See
  // cef_menu_id_t for the command ids that have default implementations. All
  // user-defined command ids should be between MENU_ID_USER_FIRST and
  // MENU_ID_USER_LAST. |params| will have the same values as what was passed to
  // on_before_context_menu(). Do not keep a reference to |params| outside of
  // this callback.
  ///
  int(CEF_CALLBACK* on_context_menu_command)(
      struct _cef_context_menu_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame,
      struct _cef_context_menu_params_t* params,
      int command_id,
      cef_event_flags_t event_flags);

  ///
  // Called when the context menu is dismissed irregardless of whether the menu
  // was NULL or a command was selected.
  ///
  void(CEF_CALLBACK* on_context_menu_dismissed)(
      struct _cef_context_menu_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_frame_t* frame);
} cef_context_menu_handler_t;

///
// Provides information about the context menu state. The ethods of this
// structure can only be accessed on browser process the UI thread.
///
typedef struct _cef_context_menu_params_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Returns the X coordinate of the mouse where the context menu was invoked.
  // Coords are relative to the associated RenderView's origin.
  ///
  int(CEF_CALLBACK* get_xcoord)(struct _cef_context_menu_params_t* self);

  ///
  // Returns the Y coordinate of the mouse where the context menu was invoked.
  // Coords are relative to the associated RenderView's origin.
  ///
  int(CEF_CALLBACK* get_ycoord)(struct _cef_context_menu_params_t* self);

  ///
  // Returns flags representing the type of node that the context menu was
  // invoked on.
  ///
  cef_context_menu_type_flags_t(CEF_CALLBACK* get_type_flags)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the URL of the link, if any, that encloses the node that the
  // context menu was invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_link_url)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the link URL, if any, to be used ONLY for "copy link address". We
  // don't validate this field in the frontend process.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_unfiltered_link_url)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the source URL, if any, for the element that the context menu was
  // invoked on. Example of elements with source URLs are img, audio, and video.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_source_url)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns true (1) if the context menu was invoked on an image which has non-
  // NULL contents.
  ///
  int(CEF_CALLBACK* has_image_contents)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the title text or the alt text if the context menu was invoked on
  // an image.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_title_text)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the URL of the top level page that the context menu was invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_page_url)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the URL of the subframe that the context menu was invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_frame_url)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the character encoding of the subframe that the context menu was
  // invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_frame_charset)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the type of context node that the context menu was invoked on.
  ///
  cef_context_menu_media_type_t(CEF_CALLBACK* get_media_type)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns flags representing the actions supported by the media element, if
  // any, that the context menu was invoked on.
  ///
  cef_context_menu_media_state_flags_t(CEF_CALLBACK* get_media_state_flags)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the text of the selection, if any, that the context menu was
  // invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_selection_text)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns the text of the misspelled word, if any, that the context menu was
  // invoked on.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_misspelled_word)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns true (1) if suggestions exist, false (0) otherwise. Fills in
  // |suggestions| from the spell check service for the misspelled word if there
  // is one.
  ///
  int(CEF_CALLBACK* get_dictionary_suggestions)(
      struct _cef_context_menu_params_t* self,
      cef_string_list_t suggestions);

  ///
  // Returns true (1) if the context menu was invoked on an editable node.
  ///
  int(CEF_CALLBACK* is_editable)(struct _cef_context_menu_params_t* self);

  ///
  // Returns true (1) if the context menu was invoked on an editable node where
  // spell-check is enabled.
  ///
  int(CEF_CALLBACK* is_spell_check_enabled)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns flags representing the actions supported by the editable node, if
  // any, that the context menu was invoked on.
  ///
  cef_context_menu_edit_state_flags_t(CEF_CALLBACK* get_edit_state_flags)(
      struct _cef_context_menu_params_t* self);

  ///
  // Returns true (1) if the context menu contains items specified by the
  // renderer process (for example, plugin placeholder or pepper plugin menu
  // items).
  ///
  int(CEF_CALLBACK* is_custom_menu)(struct _cef_context_menu_params_t* self);
} cef_context_menu_params_t;

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_CONTEXT_MENU_HANDLER_CAPI_H_