looper/backend.cpp
2024-04-09 10:15:05 -07:00

106 lines
No EOL
3 KiB
C++

#include "backend.hpp"
#ifdef GLIB_ENABLED
#include <glib-object.h>
#endif
#include "data.h"
#include "thirdparty/CLI11.hpp"
std::map<std::string, UIBackend*> UIBackend::backends;
std::string UIBackend::get_id() {
return "";
}
UIBackend *UIBackend::running_ui_backend = nullptr;
void UIBackend::init_playback() {
if (multi_instance) {
playback = new PlaybackInstance();
} else {
playback = Playback::Create(&daemon_found);
if (playback == nullptr) {
throw 1;
}
}
}
void UIBackend::init_libportal() {
#ifdef GLIB_ENABLED
g_set_application_name("Looper");
#endif
}
void UIBackend::setup_playback_args() {
if (speed_set) {
playback->SetSpeed(new_speed);
}
if (tempo_set) {
playback->SetTempo(new_tempo);
}
if (pitch_set) {
playback->SetPitch(new_pitch);
}
if (args.size() > 0) {
playback->Start(args[0]);
}
if (!daemon_found && playback->is_proxy()) {
throw 0;
}
}
bool UIBackend::parse_args(std::vector<std::string> realArgs, int argc, char **argv) {
args = realArgs;
CLI::App app{DESCRIPTION};
std::string filename = "";
app.allow_extras();
auto speed_opt = app.add_option("-s,--speed", new_speed, "Set the initial speed of the playback.")->default_val(1.0);
auto tempo_opt = app.add_option("-t,--tempo", new_tempo, "Set the initial tempo of the playback.")->default_val(1.0);
auto pitch_opt = app.add_option("-p,--pitch", new_pitch, "Set the initial pitch of the playback.")->default_val(1.0);
std::vector<CLI::Option*> options;
options.push_back(speed_opt);
options.push_back(tempo_opt);
options.push_back(pitch_opt);
if (allow_multi_instance()) {
auto multi_instance_opt = app.add_flag<bool>("-m,--multi-instance", multi_instance, "Disables the DBus api to allow multiple instances.");
options.push_back(multi_instance_opt);
}
try {
app.parse(args);
} catch (const CLI::ParseError &e) {
throw app.exit(e);
}
args = app.remaining();
speed_set = !speed_opt->empty();
tempo_set = !tempo_opt->empty();
pitch_set = !pitch_opt->empty();
if (args.size() > 0) {
return true;
} else {
for (auto opt : options) {
if (!opt->empty()) {
return true;
}
}
}
return false;
}
void UIBackend::init_dbus() {
if (!multi_instance && !playback->is_proxy()) {
dbus_api = DBusAPI::Create(playback);
}
}
int UIBackend::run(std::vector<std::string> realArgs, int argc, char **argv) {
init_libportal();
parse_args(realArgs, argc, argv);
init_playback();
setup_playback_args();
init_dbus();
return 0;
}
void UIBackend::deinit_backends() {
for (auto &kv : backends) {
delete kv.second;
}
backends.clear();
}
UIBackend::~UIBackend() {
if (dbus_api != nullptr) delete dbus_api;
delete playback;
}
std::string UIBackend::get_name() {
return "Unknown frontend";
}