genode/repos/gems/src/server/wm/window_layouter_slave.h

138 lines
4.0 KiB
C++

/*
* \brief Slave for managing the window layout
* \author Norman Feske
* \date 2014-02-14
*/
/*
* Copyright (C) 2014 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _WINDOW_LAYOUTER_SLAVE_H_
#define _WINDOW_LAYOUTER_SLAVE_H_
namespace Wm {
class Window_layouter_slave;
using Genode::Rom_session_capability;
using Genode::Capability;
}
class Wm::Window_layouter_slave
{
private:
Genode::Ram_session &_ram;
class Policy : public Genode::Slave_policy
{
private:
Single_session_service _window_list_rom_service;
Single_session_service _hover_rom_service;
Single_session_service _input_service;
Single_session_service _window_layout_report_service;
Single_session_service _resize_request_report_service;
Single_session_service _focus_report_service;
protected:
char const **_permitted_services() const
{
static char const *permitted_services[] = {
"CAP", "LOG", "SIGNAL", "RM", "Timer", 0 };
return permitted_services;
};
public:
Policy(Genode::Rpc_entrypoint &entrypoint,
Genode::Ram_session &ram,
Rom_session_capability window_list_rom,
Rom_session_capability hover_rom,
Input::Session_capability input,
Capability<Report::Session> window_layout_report,
Capability<Report::Session> resize_request_report,
Capability<Report::Session> focus_report)
:
Slave_policy("floating_window_layouter", entrypoint, &ram),
_window_list_rom_service("ROM", window_list_rom),
_hover_rom_service("ROM", hover_rom),
_input_service("Input", input),
_window_layout_report_service("Report", window_layout_report),
_resize_request_report_service("Report", resize_request_report),
_focus_report_service("Report", focus_report)
{ }
Genode::Service *resolve_session_request(const char *service_name,
const char *args) override
{
using Genode::strcmp;
char label[128];
Arg_string::find_arg(args, "label").string(label, sizeof(label), "");
if (strcmp(service_name, "ROM") == 0) {
if (strcmp(label, "floating_window_layouter -> window_list") == 0)
return &_window_list_rom_service;
if (strcmp(label, "floating_window_layouter -> hover") == 0)
return &_hover_rom_service;
}
if (strcmp(service_name, "Report") == 0) {
if (strcmp(label, "floating_window_layouter -> window_layout") == 0)
return &_window_layout_report_service;
if (strcmp(label, "floating_window_layouter -> resize_request") == 0)
return &_resize_request_report_service;
if (strcmp(label, "floating_window_layouter -> focus") == 0)
return &_focus_report_service;
}
if (strcmp(service_name, "Input") == 0)
return &_input_service;
return Genode::Slave_policy::resolve_session_request(service_name, args);
}
};
Genode::size_t const _ep_stack_size = 4*1024*sizeof(Genode::addr_t);
Genode::Rpc_entrypoint _ep;
Policy _policy;
Genode::size_t const _quota = 1*1024*1024;
Genode::Slave _slave;
public:
/**
* Constructor
*/
Window_layouter_slave(Genode::Cap_session &cap,
Genode::Ram_session &ram,
Rom_session_capability window_list_rom,
Rom_session_capability hover_rom,
Input::Session_capability input,
Capability<Report::Session> window_layout_report,
Capability<Report::Session> resize_request_report,
Capability<Report::Session> focus_report)
:
_ram(ram),
_ep(&cap, _ep_stack_size, "floating_window_layouter"),
_policy(_ep, ram, window_list_rom, hover_rom, input,
window_layout_report, resize_request_report, focus_report),
_slave(_ep, _policy, _quota)
{ }
};
#endif /* _WINDOW_LAYOUTER_SLAVE_H_ */