waybar/src/modules/upower/upower.cpp

#include "modules/upower/upower.hpp"

#include <iostream>
#include <map>
#include <string>

namespace waybar::modules {
UPower::UPower(const std::string& id, const Json::Value& config)
    : AModule(config, "tray", id),
      box_(Gtk::ORIENTATION_HORIZONTAL, 0),
      icon_(),
      label_(),
      devices() {
  box_.pack_start(icon_);
  box_.pack_start(label_);
  event_box_.add(box_);

  GError* error = NULL;
  client = up_client_new_full(NULL, &error);
  if (client == NULL) {
    throw std::runtime_error("Unable to create UPower client!");
  }

  g_signal_connect(client, "device-added", G_CALLBACK(deviceAdded_cb), this);
  g_signal_connect(client, "device-removed", G_CALLBACK(deviceRemoved_cb), this);
  g_signal_connect(client, "notify", G_CALLBACK(deviceNotify_cb), this);

  resetDevices();

  dp.emit();
}

UPower::~UPower() {}

void UPower::clicked() { printf("CLICK\n"); }

void UPower::deviceAdded_cb(UpClient* client, UpDevice* device, gpointer data) {
  UPower* up = static_cast<UPower*>(data);
  up->addDevice(device);
  up->setDisplayDevice();
  // Update the widget
  up->dp.emit();
}
void UPower::deviceRemoved_cb(UpClient* client, const gchar* object_path, gpointer data) {
  UPower* up = static_cast<UPower*>(data);
  up->removeDevice(object_path);
  up->setDisplayDevice();
  // Update the widget
  up->dp.emit();
}
void UPower::deviceNotify_cb(gpointer data) {
  UPower* up = static_cast<UPower*>(data);
  // Update the widget
  up->dp.emit();
}

void UPower::removeDevice(const std::string devicePath) { devices.erase(devicePath); }

void UPower::addDevice(UpDevice* device) {
  if (device) {
    const gchar* objectPath = up_device_get_object_path(device);
    devices[objectPath] = device;
    g_signal_connect(devices[objectPath], "notify", G_CALLBACK(deviceNotify_cb), this);
  }
}

void UPower::setDisplayDevice() {
  displayDevice = up_client_get_display_device(client);
  g_signal_connect(displayDevice, "notify", G_CALLBACK(deviceNotify_cb), this);
}

/** Removes all devices and adds the current devices */
void UPower::resetDevices() {
  // Removes all devices
  if (devices.size() > 0) {
    auto it = devices.cbegin();
    while (it != devices.cend()) {
      devices.erase(it++);
    }
  }

  // Adds all devices
  GPtrArray* newDevices = up_client_get_devices2(client);
  for (guint i = 0; i < newDevices->len; i++) {
    UpDevice* device = (UpDevice*)g_ptr_array_index(newDevices, i);
    if (device) addDevice(device);
  }

  setDisplayDevice();

  // Update the widget
  dp.emit();
}

auto UPower::update() -> void {
  printf("UPDATE!\n");

  UpDeviceKind  kind;
  UpDeviceState state;
  double        percentage;
  gboolean      is_power_supply;
  gboolean      is_present;
  gchar*        icon_name;

  g_object_get(displayDevice,
               "kind",
               &kind,
               "state",
               &state,
               "is-present",
               &is_present,
               "power-supply",
               &is_power_supply,
               "percentage",
               &percentage,
               "icon-name",
               &icon_name,
               NULL);

  printf("ICON: %s\n", icon_name);

  // Call parent update
  AModule::update();
}

}  // namespace waybar::modules