cef/include/capi/cef_web_plugin_capi.h

// Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
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#ifndef CEF_INCLUDE_CAPI_CEF_WEB_PLUGIN_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_WEB_PLUGIN_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

struct _cef_browser_t;

///
// Information about a specific web plugin.
///
typedef struct _cef_web_plugin_info_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Returns the plugin name.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_name)(
      struct _cef_web_plugin_info_t* self);

  ///
  // Returns the plugin file path (DLL/bundle/library).
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_path)(
      struct _cef_web_plugin_info_t* self);

  ///
  // Returns the version of the plugin (may be OS-specific).
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_version)(
      struct _cef_web_plugin_info_t* self);

  ///
  // Returns a description of the plugin from the version information.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_description)(
      struct _cef_web_plugin_info_t* self);
} cef_web_plugin_info_t;

///
// Structure to implement for visiting web plugin information. The functions of
// this structure will be called on the browser process UI thread.
///
typedef struct _cef_web_plugin_info_visitor_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Method that will be called once for each plugin. |count| is the 0-based
  // index for the current plugin. |total| is the total number of plugins.
  // Return false (0) to stop visiting plugins. This function may never be
  // called if no plugins are found.
  ///
  int(CEF_CALLBACK* visit)(struct _cef_web_plugin_info_visitor_t* self,
                           struct _cef_web_plugin_info_t* info,
                           int count,
                           int total);
} cef_web_plugin_info_visitor_t;

///
// Structure to implement for receiving unstable plugin information. The
// functions of this structure will be called on the browser process IO thread.
///
typedef struct _cef_web_plugin_unstable_callback_t {
  ///
  // Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  // Method that will be called for the requested plugin. |unstable| will be
  // true (1) if the plugin has reached the crash count threshold of 3 times in
  // 120 seconds.
  ///
  void(CEF_CALLBACK* is_unstable)(
      struct _cef_web_plugin_unstable_callback_t* self,
      const cef_string_t* path,
      int unstable);
} cef_web_plugin_unstable_callback_t;

///
// Visit web plugin information. Can be called on any thread in the browser
// process.
///
CEF_EXPORT void cef_visit_web_plugin_info(
    cef_web_plugin_info_visitor_t* visitor);

///
// Cause the plugin list to refresh the next time it is accessed regardless of
// whether it has already been loaded. Can be called on any thread in the
// browser process.
///
CEF_EXPORT void cef_refresh_web_plugins();

///
// Unregister an internal plugin. This may be undone the next time
// cef_refresh_web_plugins() is called. Can be called on any thread in the
// browser process.
///
CEF_EXPORT void cef_unregister_internal_web_plugin(const cef_string_t* path);

///
// Register a plugin crash. Can be called on any thread in the browser process
// but will be executed on the IO thread.
///
CEF_EXPORT void cef_register_web_plugin_crash(const cef_string_t* path);

///
// Query if a plugin is unstable. Can be called on any thread in the browser
// process.
///
CEF_EXPORT void cef_is_web_plugin_unstable(
    const cef_string_t* path,
    cef_web_plugin_unstable_callback_t* callback);

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_WEB_PLUGIN_CAPI_H_