Improve video player to imitate YouTube player style.

Add updated video (just a not complete demo, but with better sound and image quality as the last one)

desktop/src/main/java/bisq/desktop/common/view/FillStageView.java

@@ -0,0 +1,23 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq 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 Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.desktop.common.view;
+
+// Marker interface for child views used in popups when the window size change should be applied to the view, 
+// so that the popup will fill the available space.
+public interface FillStageView {
+}

desktop/src/main/java/bisq/desktop/components/controls/BisqIconButton.java

@@ -91,9 +91,16 @@ public static Button createIconButton(String iconId, @Nullable String tooltip) {
     }
 
     public static Button createIconButton(ImageView imageView) {
+        return createIconButton(imageView, null);
+    }
+
+    public static Button createIconButton(ImageView imageView, @Nullable String tooltip) {
         Button button = new Button();
         button.setGraphic(imageView);
         button.getStyleClass().add("icon-button");
+        if (tooltip != null) {
+            button.setTooltip(new BisqTooltip(tooltip));
+        }
         return button;
     }
 

desktop/src/main/java/bisq/desktop/main/content/bisq_easy/onboarding/BisqEasyOnboardingController.java

@@ -18,7 +18,9 @@
 package bisq.desktop.main.content.bisq_easy.onboarding;
 
 import bisq.bisq_easy.NavigationTarget;
+import bisq.common.observable.Pin;
 import bisq.desktop.ServiceProvider;
+import bisq.desktop.common.threading.UIThread;
 import bisq.desktop.common.view.Controller;
 import bisq.desktop.common.view.Navigation;
 import bisq.desktop.main.content.bisq_easy.trade_wizard.TradeWizardController;
@@ -33,6 +35,7 @@ public class BisqEasyOnboardingController implements Controller {
     private final BisqEasyOnboardingView view;
     private final BisqEasyOnboardingModel model;
     private final SettingsService settingsService;
+    private Pin cookieChangedPin;
 
     public BisqEasyOnboardingController(ServiceProvider serviceProvider) {
         settingsService = serviceProvider.getSettingsService();
@@ -42,11 +45,13 @@ public BisqEasyOnboardingController(ServiceProvider serviceProvider) {
 
     @Override
     public void onActivate() {
-        model.getVideoSeen().set(settingsService.getCookie().asBoolean(CookieKey.BISQ_EASY_VIDEO_OPENED).orElse(false));
+        cookieChangedPin = settingsService.getCookieChanged().addObserver(c -> UIThread.run(() ->
+                model.getVideoSeen().set(settingsService.getCookie().asBoolean(CookieKey.BISQ_EASY_VIDEO_OPENED).orElse(false))));
     }
 
     @Override
     public void onDeactivate() {
+        cookieChangedPin.unbind();
     }
 
     void onOpenOfferbook() {

desktop/src/main/java/bisq/desktop/main/content/bisq_easy/onboarding/video/BisqEasyVideoController.java

@@ -31,7 +31,6 @@ public class BisqEasyVideoController implements Controller {
     @Getter
     private final BisqEasyVideoView view;
     private final SettingsService settingsService;
-    private Runnable completeHandler;
 
     public BisqEasyVideoController(ServiceProvider serviceProvider) {
         settingsService = serviceProvider.getSettingsService();

desktop/src/main/java/bisq/desktop/main/content/bisq_easy/onboarding/video/BisqEasyVideoModel.java

@@ -19,7 +19,12 @@
 
 import bisq.desktop.common.view.Model;
 import lombok.Getter;
+import lombok.Setter;
 
 @Getter
 public class BisqEasyVideoModel implements Model {
+    @Setter
+    private boolean mediaPlayerPausedBySeek;
+    @Setter
+    private double lastPositionBeforeClose;
 }