pidgin/pidgin

Use G_DECLARE_DERIVABLE_TYPE for PurpleConversation and additional cleanups

The setters for PurpleConversation are kind of crappy because of the
conversation cache in the purple_conversations api, which we'll address at a
later time.

Testing Done:
Compiled and ran locally, parted a chat and just signed out to verify no new issues.

Reviewed at https://reviews.imfreedom.org/r/613/
/*
* Purple - Internet Messaging Library
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <https://www.gnu.org/licenses/>.
*/
#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
# error "only <purple.h> may be included directly"
#endif
#ifndef PURPLE_NOOP_CREDENTIAL_PROVIDER_H
#define PURPLE_NOOP_CREDENTIAL_PROVIDER_H
#include <glib.h>
#include <glib-object.h>
#include <purplecredentialprovider.h>
/**
* SECTION:purplenoopcredentialprovider
* @section_id: libpurple-purplenoopcredentialprovider
* @title: No Operation Credential Provider Object
*
* This is the "None" credential provider that always returns failures so that
* the user is forced to enter a password.
*/
G_BEGIN_DECLS
/**
* PurpleNoopCredentialProvider:
*
* #PurpleNoopCredentialProvider is a #PurpleCredentialProvider that does not
* actually provider credentials. It is used to implement the default behavior
* of requiring users to input passwords.
*
* Since: 3.0.0
*/
#define PURPLE_TYPE_NOOP_CREDENTIAL_PROVIDER (purple_noop_credential_provider_get_type())
G_DECLARE_FINAL_TYPE(PurpleNoopCredentialProvider,
purple_noop_credential_provider,
PURPLE, NOOP_CREDENTIAL_PROVIDER, PurpleCredentialProvider)
/**
* purple_noop_credential_provider_new:
*
* Creates a new #PurpleNoopCredentialProvider instance. You typically will
* not need to call this directly as #PurpleCredentialManager will create one
* for itself.
*
* Returns: (transfer full): The new #PurpleNoopCredentialProvider instance.
*/
PurpleCredentialProvider *purple_noop_credential_provider_new(void);
G_END_DECLS
#endif /* PURPLE_NOOP_CREDENTIAL_PROVIDER */