162 lines
4.2 KiB
C++
162 lines
4.2 KiB
C++
/*
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* \brief Slave used for presenting the menu
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* \author Norman Feske
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* \date 2014-09-30
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*/
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/*
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* Copyright (C) 2014 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 General Public License version 2.
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*/
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#ifndef _MENU_VIEW_SLAVE_H_
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#define _MENU_VIEW_SLAVE_H_
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/* Genode includes */
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#include <os/slave.h>
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#include <nitpicker_session/nitpicker_session.h>
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/* gems includes */
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#include <gems/single_session_service.h>
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/* local includes */
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#include <types.h>
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namespace Launcher { class Menu_view_slave; }
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class Launcher::Menu_view_slave
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{
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public:
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typedef Surface_base::Point Position;
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private:
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class Policy : public Genode::Slave_policy
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{
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private:
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Lock mutable _nitpicker_root_lock { Lock::LOCKED };
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Capability<Root> _nitpicker_root_cap;
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Single_session_service _nitpicker_service;
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Single_session_service _dialog_rom_service;
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Single_session_service _hover_report_service;
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Position _position;
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protected:
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char const **_permitted_services() const
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{
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static char const *permitted_services[] = {
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"ROM", "CAP", "LOG", "SIGNAL", "RM", "Timer", 0 };
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return permitted_services;
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};
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private:
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void _configure(Position pos)
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{
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char config[1024];
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snprintf(config, sizeof(config),
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"<config xpos=\"%d\" ypos=\"%d\">\n"
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" <report hover=\"yes\"/>\n"
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" <libc>\n"
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" <vfs>\n"
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" <tar name=\"menu_view_styles.tar\" />\n"
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" </vfs>\n"
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" </libc>\n"
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"</config>",
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pos.x(), pos.y());
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configure(config);
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}
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public:
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Policy(Genode::Rpc_entrypoint &entrypoint,
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Genode::Ram_session &ram,
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Capability<Nitpicker::Session> nitpicker_session,
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Capability<Rom_session> dialog_rom_session,
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Capability<Report::Session> hover_report_session,
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Position position)
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:
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Slave_policy("menu_view", entrypoint, &ram),
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_nitpicker_service(Nitpicker::Session::service_name(), nitpicker_session),
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_dialog_rom_service(Rom_session::service_name(), dialog_rom_session),
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_hover_report_service(Report::Session::service_name(), hover_report_session),
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_position(position)
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{
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_configure(position);
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}
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void position(Position pos)
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{
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_configure(pos);
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}
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Genode::Service *resolve_session_request(const char *service_name,
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const char *args) override
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{
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using Genode::strcmp;
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if (strcmp(service_name, "Nitpicker") == 0)
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return &_nitpicker_service;
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char label[128];
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Arg_string::find_arg(args, "label").string(label, sizeof(label), "");
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if (strcmp(service_name, "ROM") == 0) {
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if (strcmp(label, "menu_view -> dialog") == 0)
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return &_dialog_rom_service;
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}
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if (strcmp(service_name, "Report") == 0) {
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if (strcmp(label, "menu_view -> hover") == 0)
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return &_hover_report_service;
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}
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return Genode::Slave_policy::resolve_session_request(service_name, args);
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}
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};
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Genode::size_t const _ep_stack_size = 4*1024*sizeof(Genode::addr_t);
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Genode::Rpc_entrypoint _ep;
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Policy _policy;
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Genode::size_t const _quota = 4*1024*1024;
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Genode::Slave _slave;
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public:
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/**
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* Constructor
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*
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* \param ep entrypoint used for child thread
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* \param ram RAM session used to allocate the configuration
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* dataspace
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*/
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Menu_view_slave(Genode::Cap_session &cap, Genode::Ram_session &ram,
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Capability<Nitpicker::Session> nitpicker_session,
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Capability<Rom_session> dialog_rom_session,
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Capability<Report::Session> hover_report_session,
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Position initial_position)
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:
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_ep(&cap, _ep_stack_size, "nit_fader"),
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_policy(_ep, ram, nitpicker_session, dialog_rom_session,
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hover_report_session, initial_position),
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_slave(_ep, _policy, _quota)
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{ }
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void position(Position position) { _policy.position(position); }
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};
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#endif /* _NIT_FADER_SLAVE_H_ */
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