97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
/*
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* \brief ROM service for intercepting clipboard ROMs
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* \author Norman Feske
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* \date 2019-06-26
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*
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* This ROM service can be used as proxy for clipboard ROMs to ensure the
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* consistency of the client labels appearing at the clipboard component
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* with the label of the currently focused nitpicker client.
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*/
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/*
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* Copyright (C) 2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _ROM_FORWARDER_H_
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#define _ROM_FORWARDER_H_
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/* Genode includes */
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#include <root/component.h>
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#include <rom_session/connection.h>
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namespace Wm { struct Rom_forwarder; }
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struct Wm::Rom_forwarder
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{
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struct Session : Genode::Rpc_object<Genode::Rom_session>
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{
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Genode::Env &_env;
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Genode::Rom_connection _connection;
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Session(Genode::Env &env, Genode::Session_label const &label)
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: _env(env), _connection(env, label.string())
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{ _env.ep().manage(*this); }
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~Session() { _env.ep().dissolve(*this); }
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void upgrade(Genode::Session::Resources const &resources)
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{
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_connection.upgrade(resources);
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}
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/***************************
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** Rom_session interface **
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***************************/
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Genode::Rom_dataspace_capability dataspace() override
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{
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return _connection.dataspace();
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}
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bool update() override
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{
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return _connection.update();
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}
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void sigh(Signal_context_capability sigh) override
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{
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_connection.sigh(sigh);
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}
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};
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struct Root : Genode::Root_component<Session>
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{
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Genode::Env &_env;
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Genode::Allocator &_alloc;
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Session *_create_session(char const *args) override
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{
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return new (md_alloc()) Session(_env, Genode::label_from_args(args));
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}
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void _upgrade_session(Session *session, const char *args) override
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{
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session->upgrade(Genode::session_resources_from_args(args));
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}
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Root(Genode::Env &env, Genode::Allocator &alloc)
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:
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Genode::Root_component<Session>(env.ep(), alloc),
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_env(env), _alloc(alloc)
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{
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_env.parent().announce(env.ep().manage(*this));
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}
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} _root;
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Rom_forwarder(Genode::Env &env, Genode::Allocator &alloc)
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: _root(env, alloc) { }
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};
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#endif /* _ROM_FORWARDER_H_ */
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