Various cleanup to global shortcuts code

src/globalshortcuts/globalshortcutsbackend-win.cpp

@@ -0,0 +1,86 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include "globalshortcutsbackend-win.h"
+
+#include "core/logging.h"
+
+#include <QObject>
+#include <QMap>
+#include <QAction>
+#include <QKeySequence>
+#include <QtAlgorithms>
+
+#include "globalshortcutsmanager.h"
+#include "globalshortcutsbackend.h"
+#include "globalshortcut.h"
+
+GlobalShortcutsBackendWin::GlobalShortcutsBackendWin(GlobalShortcutsManager *manager, QObject *parent)
+    : GlobalShortcutsBackend(manager, GlobalShortcutsBackend::Type_Win, parent),
+      gshortcut_init_(nullptr) {}
+
+GlobalShortcutsBackendWin::~GlobalShortcutsBackendWin() {
+  GlobalShortcutsBackendWin::DoUnregister();
+}
+
+bool GlobalShortcutsBackendWin::IsAvailable() const {
+  return true;
+}
+
+bool GlobalShortcutsBackendWin::DoRegister() {
+
+  qLog(Debug) << "Registering";
+
+  if (!gshortcut_init_) gshortcut_init_ = new GlobalShortcut(this);
+
+  QList<GlobalShortcutsManager::Shortcut> shortcuts = manager_->shortcuts().values();
+  for (const GlobalShortcutsManager::Shortcut &shortcut : shortcuts) {
+    AddShortcut(shortcut.action);
+  }
+
+  return true;
+
+}
+
+bool GlobalShortcutsBackendWin::AddShortcut(QAction *action) {
+
+  if (action->shortcut().isEmpty()) return false;
+
+  GlobalShortcut *shortcut = new GlobalShortcut(action->shortcut(), this, this);
+  QObject::connect(shortcut, &GlobalShortcut::activated, action, &QAction::trigger);
+  shortcuts_ << shortcut;
+  return true;
+
+}
+
+void GlobalShortcutsBackendWin::DoUnregister() {
+
+  qLog(Debug) << "Unregistering";
+
+  qDeleteAll(shortcuts_);
+  shortcuts_.clear();
+
+  if (gshortcut_init_) {
+    delete gshortcut_init_;
+    gshortcut_init_ = nullptr;
+  }
+
+}