genode/repos/gems/include/dialog/runtime.h
Norman Feske 4a5632ab6d dialog: support view attribs in sandboxed_runtime
This patch mirrors the interface of Sculpt's distant_runtime to the
sandboxed_runtime variant, allowing the configuration of xpos, ypos,
min_width, min_height, opaque, and background color.

Issue #5008
2023-11-28 14:44:28 +01:00

113 lines
2.7 KiB
C++

/*
* \brief Wrapper around 'Sandboxed_runtime' for simple applications
* \author Norman Feske
* \date 2023-03-24
*/
/*
* Copyright (C) 2023 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _INCLUDE__DIALOG__RUNTIME_H_
#define _INCLUDE__DIALOG__RUNTIME_H_
#include <dialog/sandboxed_runtime.h>
#include <os/buffered_xml.h>
namespace Dialog { struct Runtime; }
class Dialog::Runtime : private Sandbox::State_handler
{
private:
Env &_env;
Allocator &_alloc;
Sandbox _sandbox { _env, *this };
Sandboxed_runtime _runtime { _env, _alloc, _sandbox };
void _generate_sandbox_config(Xml_generator &xml) const
{
xml.node("report", [&] () {
xml.attribute("child_ram", "yes");
xml.attribute("child_caps", "yes");
xml.attribute("delay_ms", 20*1000);
});
xml.node("parent-provides", [&] () {
auto service_node = [&] (char const *name) {
xml.node("service", [&] () {
xml.attribute("name", name); }); };
service_node("ROM");
service_node("CPU");
service_node("PD");
service_node("LOG");
service_node("Gui");
service_node("Timer");
service_node("Report");
service_node("File_system");
});
_runtime.gen_start_nodes(xml);
}
void _update_sandbox_config()
{
Buffered_xml const config { _alloc, "config", [&] (Xml_generator &xml) {
_generate_sandbox_config(xml); } };
config.with_xml_node([&] (Xml_node const &config) {
_sandbox.apply_config(config); });
}
/**
* Sandbox::State_handler
*/
void handle_sandbox_state() override
{
/* obtain current sandbox state */
Buffered_xml state(_alloc, "state", [&] (Xml_generator &xml) {
_sandbox.generate_state_report(xml); });
bool reconfiguration_needed = false;
state.with_xml_node([&] (Xml_node state) {
if (_runtime.apply_sandbox_state(state))
reconfiguration_needed = true; });
if (reconfiguration_needed)
_update_sandbox_config();
}
public:
Runtime(Env &env, Allocator &alloc) : _env(env), _alloc(alloc) { }
struct View : Sandboxed_runtime::View
{
View(Runtime &runtime, Top_level_dialog &dialog, auto &&... args)
:
Sandboxed_runtime::View(runtime._runtime, dialog, args...)
{
runtime._update_sandbox_config();
}
};
template <typename T>
struct Event_handler : Sandboxed_runtime::Event_handler<T>
{
Event_handler(Runtime &runtime, T &obj, void (T::*member)(Event const &))
: Sandboxed_runtime::Event_handler<T>(runtime._runtime, obj, member) { }
};
void update_view_config() { _update_sandbox_config(); }
};
#endif /* _INCLUDE__DIALOG__RUNTIME_H_ */