Fixes #2794 Dismiss Library panels when navigating back/forward

app/src/common/shared/org/mozilla/vrbrowser/VRBrowserActivity.java

@@ -304,6 +304,22 @@ protected void onCreate(Bundle savedInstanceState) {
     protected void initializeWidgets() {
         UISurfaceTextureRenderer.setUseHardwareAcceleration(SettingsStore.getInstance(getBaseContext()).isUIHardwareAccelerationEnabled());
         UISurfaceTextureRenderer.setRenderActive(true);
+
+        // Empty widget just for handling focus on empty space
+        mRootWidget = new RootWidget(this);
+        mRootWidget.setClickCallback(() -> {
+            for (WorldClickListener listener: mWorldClickListeners) {
+                listener.onWorldClick();
+            }
+        });
+
+        // Create Browser navigation widget
+        mNavigationBar = new NavigationBarWidget(this);
+
+        // Create keyboard widget
+        mKeyboard = new KeyboardWidget(this);
+
+        // Windows
         mWindows = new Windows(this);
         mWindows.setDelegate(new Windows.Delegate() {
             @Override
@@ -339,24 +355,8 @@ public void onWindowVideoAvailabilityChanged(@NonNull WindowWidget aWindow) {
             }
         });
 
-        // Create Browser navigation widget
-        mNavigationBar = new NavigationBarWidget(this);
-
-        // Create keyboard widget
-        mKeyboard = new KeyboardWidget(this);
-
         // Create the tray
         mTray = new TrayWidget(this);
-
-        // Empty widget just for handling focus on empty space
-        mRootWidget = new RootWidget(this);
-        mRootWidget.setClickCallback(() -> {
-            for (WorldClickListener listener: mWorldClickListeners) {
-                listener.onWorldClick();
-            }
-        });
-
-        // Add widget listeners
         mTray.addListeners(mWindows);
         mTray.setAddWindowVisible(mWindows.canOpenNewWindow());
 

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/NavigationBarWidget.java

@@ -19,6 +19,7 @@
 import android.widget.EditText;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.databinding.DataBindingUtil;
 import androidx.databinding.ObservableBoolean;
 import androidx.lifecycle.Observer;
@@ -53,6 +54,7 @@
 import org.mozilla.vrbrowser.utils.ConnectivityReceiver;
 import org.mozilla.vrbrowser.utils.UrlUtils;
 
+import java.util.ArrayList;
 import java.util.concurrent.Executor;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -70,6 +72,14 @@ public class NavigationBarWidget extends UIWidget implements GeckoSession.Naviga
     private static final int BOOKMARK_ADDED_NOTIFICATION_ID = 2;
     private static final int POPUP_NOTIFICATION_ID = 3;
 
+    public interface NavigationListener {
+        void onBack();
+        void onForward();
+        void onReload();
+        void onStop();
+        void onHome();
+    }
+
     private WindowViewModel mViewModel;
     private NavigationBarBinding mBinding;
     private AudioEngine mAudio;
@@ -92,6 +102,7 @@ public class NavigationBarWidget extends UIWidget implements GeckoSession.Naviga
     private SendTabDialogWidget mSendTabDialog;
     private int mBlockedCount;
     private Executor mUIThreadExecutor;
+    private ArrayList<NavigationListener> mNavigationListeners;
 
     public NavigationBarWidget(Context aContext) {
         super(aContext);
@@ -119,6 +130,8 @@ private void initialize(@NonNull Context aContext) {
 
         mResizeBackHandler = () -> exitResizeMode(ResizeAction.RESTORE_SIZE);
 
+        mNavigationListeners = new ArrayList<>();
+
         mFullScreenBackHandler = this::exitFullScreenMode;
         mVRVideoBackHandler = () -> {
             exitVRVideo();
@@ -157,6 +170,7 @@ private void updateUI() {
             if (mAudio != null) {
                 mAudio.playSound(AudioEngine.Sound.BACK);
             }
+            mNavigationListeners.forEach(NavigationListener::onBack);
         });
 
         mBinding.navigationBarNavigation.forwardButton.setOnClickListener(v -> {
@@ -165,6 +179,7 @@ private void updateUI() {
             if (mAudio != null) {
                 mAudio.playSound(AudioEngine.Sound.CLICK);
             }
+            mNavigationListeners.forEach(NavigationListener::onForward);
         });
 
         mBinding.navigationBarNavigation.reloadButton.setOnClickListener(v -> {
@@ -177,6 +192,7 @@ private void updateUI() {
             if (mAudio != null) {
                 mAudio.playSound(AudioEngine.Sound.CLICK);
             }
+            mNavigationListeners.forEach(NavigationListener::onReload);
         });
 
         mBinding.navigationBarNavigation.homeButton.setOnClickListener(v -> {
@@ -185,6 +201,7 @@ private void updateUI() {
             if (mAudio != null) {
                 mAudio.playSound(AudioEngine.Sound.CLICK);
             }
+            mNavigationListeners.forEach(NavigationListener::onHome);
         });
 
         mBinding.navigationBarNavigation.servoButton.setOnClickListener(v -> {
@@ -376,6 +393,14 @@ protected void initializeWidgetPlacement(WidgetPlacement aPlacement) {
         aPlacement.cylinder = true;
     }
 
+    public void addNavigationBarListener(@Nullable NavigationListener listener) {
+        mNavigationListeners.add(listener);
+    }
+
+    public void removeNavigationBarListener(@Nullable NavigationListener listener) {
+        mNavigationListeners.remove(listener);
+    }
+
     @Override
     public void detachFromWindow() {
         hideAllNotifications();

app/src/common/shared/org/mozilla/vrbrowser/ui/widgets/WindowWidget.java

@@ -622,6 +622,10 @@ public void setActiveWindow(boolean active) {
                 session.getTextInput().setView(this);
             }
             mSession.updateLastUse();
+            mWidgetManager.getNavigationBar().addNavigationBarListener(mNavigationBarListener);
+
+        } else {
+            mWidgetManager.getNavigationBar().removeNavigationBarListener(mNavigationBarListener);
         }
 
         hideContextMenus();
@@ -915,6 +919,7 @@ public void releaseWidget() {
         }
         mBookmarksView.removeBookmarksListener(mBookmarksListener);
         mHistoryView.removeHistoryListener(mHistoryListener);
+        mWidgetManager.getNavigationBar().removeNavigationBarListener(mNavigationBarListener);
         mPromptDelegate.detachFromWindow();
         super.releaseWidget();
     }
@@ -1415,6 +1420,33 @@ public void onClickItem(@NonNull View view, @NonNull VisitInfo item) {
         }
     };
 
+    private NavigationBarWidget.NavigationListener mNavigationBarListener = new NavigationBarWidget.NavigationListener() {
+        @Override
+        public void onBack() {
+            hideLibraryPanels();
+        }
+
+        @Override
+        public void onForward() {
+            hideLibraryPanels();
+        }
+
+        @Override
+        public void onReload() {
+            hideLibraryPanels();
+        }
+
+        @Override
+        public void onStop() {
+            // Nothing to do
+        }
+
+        @Override
+        public void onHome() {
+            hideLibraryPanels();
+        }
+    };
+
     private void hideContextMenus() {
         if (mContextMenu != null) {
             if (!mContextMenu.isReleased()) {