Gui: Reorganize the navigation files into a top Navigation folder.

src/Gui/Navigation/NavigationAnimator.cpp

@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/****************************************************************************
+ *                                                                          *
+ *   Copyright (c) 2023 Bas Ruigrok (Rexbas) <Rexbas@proton.me>             *
+ *                                                                          *
+ *   This file is part of FreeCAD.                                          *
+ *                                                                          *
+ *   FreeCAD is free software: you can redistribute it and/or modify it     *
+ *   under the terms of the GNU Lesser General Public License as            *
+ *   published by the Free Software Foundation, either version 2.1 of the   *
+ *   License, or (at your option) any later version.                        *
+ *                                                                          *
+ *   FreeCAD 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       *
+ *   Lesser General Public License for more details.                        *
+ *                                                                          *
+ *   You should have received a copy of the GNU Lesser General Public       *
+ *   License along with FreeCAD. If not, see                                *
+ *   <https://www.gnu.org/licenses/>.                                       *
+ *                                                                          *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+#include "NavigationAnimator.h"
+#include "NavigationAnimation.h"
+#include <QEventLoop>
+
+using namespace Gui;
+
+NavigationAnimator::NavigationAnimator()
+    : activeAnimation(nullptr)
+{}
+
+NavigationAnimator::~NavigationAnimator()
+{
+    stop();
+}
+
+/**
+ * @brief Start an animation
+ *
+ * @param animation The animation to start
+ */
+void NavigationAnimator::start(const std::shared_ptr<NavigationAnimation>& animation)
+{
+    stop();
+    activeAnimation = animation;
+    activeAnimation->initialize();
+
+    connect(activeAnimation.get(), &NavigationAnimation::finished, this, [this]() {
+        activeAnimation->onStop(true);
+        activeAnimation.reset();
+    });
+
+    activeAnimation->start();
+}
+
+/**
+ * @brief Start an animation and wait for it to finish
+ *
+ * @param animation The animation to start
+ * @return True if the animation finished, false if interrupted
+ */
+bool NavigationAnimator::startAndWait(const std::shared_ptr<NavigationAnimation>& animation)
+{
+    stop();
+    bool finished = true;
+    QEventLoop loop;
+    connect(animation.get(), &NavigationAnimation::finished, &loop, &QEventLoop::quit);
+    connect(animation.get(), &NavigationAnimation::interrupted, &loop, [&finished, &loop]() {
+        finished = false;
+        loop.quit();
+    });
+    start(animation);
+    loop.exec();
+    return finished;
+}
+
+/**
+ * @brief Stops an active animation and releases shared ownership of the animation
+ */
+void NavigationAnimator::stop()
+{
+    if (activeAnimation && activeAnimation->state() != QAbstractAnimation::State::Stopped) {
+        disconnect(activeAnimation.get(), &NavigationAnimation::finished, 0, 0);
+        Q_EMIT activeAnimation->interrupted();
+        activeAnimation->stop();
+        activeAnimation->onStop(false);
+        activeAnimation.reset();
+    }
+}
+
+/**
+ * @return Whether or not an animation is active
+ */
+bool NavigationAnimator::isAnimating() const
+{
+    if (activeAnimation != nullptr) {
+        return activeAnimation->state() == QAbstractAnimation::State::Running;
+    }
+
+    return false;
+}