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122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
#pragma once
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#ifndef MANGOHUD_DBUS_INFO_H
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#define MANGOHUD_DBUS_INFO_H
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#include <array>
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#include <functional>
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#include <map>
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#include <mutex>
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#include <stdexcept>
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#include <string>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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#include "loaders/loader_dbus.h"
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struct metadata {
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// std::vector<std::string> artists;
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std::string artists; // pre-concatenate
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std::string title;
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std::string album;
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std::string something;
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std::string artUrl;
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bool playing = false;
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bool valid = false;
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bool got_song_data = false;
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bool got_playback_data = false;
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};
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struct mutexed_metadata {
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std::mutex mtx;
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metadata meta;
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struct {
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float pos;
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float longest;
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int dir = -1;
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bool needs_recalc = true;
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float tw0;
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float tw1;
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float tw2;
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} ticker;
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};
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enum SignalType {
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ST_NAMEOWNERCHANGED,
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ST_PROPERTIESCHANGED,
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};
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extern struct mutexed_metadata main_metadata;
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namespace dbusmgr {
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class dbus_manager;
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using signal_handler_func = bool (dbus_manager::*)(DBusMessage*, const char*);
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struct DBusSignal {
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const char* intf;
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const char* signal;
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signal_handler_func handler;
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};
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class dbus_manager {
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public:
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dbus_manager() {}
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~dbus_manager();
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bool init(const std::string& requested_player);
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void deinit();
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bool get_media_player_metadata(metadata& meta, std::string name = "");
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void connect_to_signals();
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void disconnect_from_signals();
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DBusConnection* get_conn() const { return m_dbus_conn; }
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libdbus_loader& dbus() { return m_dbus_ldr; }
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protected:
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void stop_thread();
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void start_thread();
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void dbus_thread();
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bool dbus_list_name_to_owner();
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bool select_active_player();
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static DBusHandlerResult filter_signals(DBusConnection*, DBusMessage*,
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void*);
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bool handle_properties_changed(DBusMessage*, const char*);
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bool handle_name_owner_changed(DBusMessage*, const char*);
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void onNewPlayer(
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metadata& meta); // A different player has become the active player
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void onNoPlayer(); // There is no longer any player active
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void onPlayerUpdate(
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metadata& meta); // The active player has sent an update
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DBusError m_error;
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DBusConnection* m_dbus_conn = nullptr;
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bool m_quit = false;
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bool m_inited = false;
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std::thread m_thread;
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libdbus_loader m_dbus_ldr;
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std::unordered_map<std::string, std::string> m_name_owners;
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std::string m_requested_player;
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std::string m_active_player;
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const std::array<DBusSignal, 2> m_signals{{
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{"org.freedesktop.DBus", "NameOwnerChanged",
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&dbus_manager::handle_name_owner_changed},
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{"org.freedesktop.DBus.Properties", "PropertiesChanged",
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&dbus_manager::handle_properties_changed},
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}};
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};
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extern dbus_manager dbus_mgr;
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} // namespace dbusmgr
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bool get_media_player_metadata(dbusmgr::dbus_manager& dbus, const std::string& name, metadata& meta);
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#endif //MANGOHUD_DBUS_INFO_H
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