cef/include/capi/cef_extension_capi.h

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

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_values_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

struct _cef_extension_handler_t;
struct _cef_request_context_t;

///
/// Object representing an extension. Methods may be called on any thread unless
/// otherwise indicated.
///
typedef struct _cef_extension_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Returns the unique extension identifier. This is calculated based on the
  /// extension public key, if available, or on the extension path. See
  /// https://developer.chrome.com/extensions/manifest/key for details.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_identifier)(
      struct _cef_extension_t* self);

  ///
  /// Returns the absolute path to the extension directory on disk. This value
  /// will be prefixed with PK_DIR_RESOURCES if a relative path was passed to
  /// cef_request_context_t::LoadExtension.
  ///
  // The resulting string must be freed by calling cef_string_userfree_free().
  cef_string_userfree_t(CEF_CALLBACK* get_path)(struct _cef_extension_t* self);

  ///
  /// Returns the extension manifest contents as a cef_dictionary_value_t
  /// object. See https://developer.chrome.com/extensions/manifest for details.
  ///
  struct _cef_dictionary_value_t*(CEF_CALLBACK* get_manifest)(
      struct _cef_extension_t* self);

  ///
  /// Returns true (1) if this object is the same extension as |that| object.
  /// Extensions are considered the same if identifier, path and loader context
  /// match.
  ///
  int(CEF_CALLBACK* is_same)(struct _cef_extension_t* self,
                             struct _cef_extension_t* that);

  ///
  /// Returns the handler for this extension. Will return NULL for internal
  /// extensions or if no handler was passed to
  /// cef_request_context_t::LoadExtension.
  ///
  struct _cef_extension_handler_t*(CEF_CALLBACK* get_handler)(
      struct _cef_extension_t* self);

  ///
  /// Returns the request context that loaded this extension. Will return NULL
  /// for internal extensions or if the extension has been unloaded. See the
  /// cef_request_context_t::LoadExtension documentation for more information
  /// about loader contexts. Must be called on the browser process UI thread.
  ///
  struct _cef_request_context_t*(CEF_CALLBACK* get_loader_context)(
      struct _cef_extension_t* self);

  ///
  /// Returns true (1) if this extension is currently loaded. Must be called on
  /// the browser process UI thread.
  ///
  int(CEF_CALLBACK* is_loaded)(struct _cef_extension_t* self);

  ///
  /// Unload this extension if it is not an internal extension and is currently
  /// loaded. Will result in a call to
  /// cef_extension_handler_t::OnExtensionUnloaded on success.
  ///
  void(CEF_CALLBACK* unload)(struct _cef_extension_t* self);
} cef_extension_t;

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_EXTENSION_CAPI_H_