refacor media widget, apply clang format rule

src/widgets/controlCenter/mediaWidget.cpp

@@ -0,0 +1,50 @@
+#include "widgets/controlCenter/mediaWidget.hpp"
+
+#include <memory>
+
+MediaWidget::MediaWidget() : Gtk::Box(Gtk::Orientation::VERTICAL) {
+    this->set_hexpand(true);
+    this->set_vexpand(false);
+    this->add_css_class("control-center-media-widget");
+    this->container.set_orientation(Gtk::Orientation::VERTICAL);
+    this->container.set_hexpand(true);
+    this->container.set_vexpand(false);
+    this->append(this->container);
+
+    this->mprisController->signal_player_registered().connect(
+        [this](const std::string &bus_name) {
+            this->addPlayerWidget(bus_name);
+        });
+
+    this->mprisController->signal_player_deregistered().connect(
+        [this](const std::string &bus_name) {
+            this->removePlayerWidget(bus_name);
+        });
+
+    for (const auto &bus_name : this->mprisController->get_registered_players()) {
+        this->addPlayerWidget(bus_name);
+    }
+}
+
+void MediaWidget::addPlayerWidget(const std::string &bus_name) {
+    if (this->mediaWidgets.find(bus_name) != this->mediaWidgets.end()) {
+        return;
+    }
+
+    auto controller = MprisController::createForPlayer(bus_name);
+    auto widget     = std::make_unique<MediaPlayer>(controller);
+    
+    this->mediaWidgets.emplace(bus_name, std::move(widget));
+    this->container.append(*this->mediaWidgets[bus_name]);
+}
+
+void MediaWidget::removePlayerWidget(const std::string &bus_name) {
+    auto it = this->mediaWidgets.find(bus_name);
+
+    if (it == this->mediaWidgets.end()) {
+        return;
+    }
+    
+    this->container.remove(*it->second);
+    this->mediaWidgets.erase(it);
+}