Block background UI interaction for dialogs

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

@@ -141,6 +141,7 @@ public void run() {
     private ConnectivityReceiver mConnectivityReceiver;
     private boolean mConnectionAvailable = true;
     private AudioManager mAudioManager;
+    private Widget mActiveDialog;
 
     private boolean callOnAudioManager(Consumer<AudioManager> fn) {
         if (mAudioManager == null) {
@@ -588,6 +589,9 @@ void dispatchCreateWidgetLayer(final int aHandle, final Surface aSurface, final
     void handleMotionEvent(final int aHandle, final int aDevice, final boolean aPressed, final float aX, final float aY) {
         runOnUiThread(() -> {
             Widget widget = mWidgets.get(aHandle);
+            if (!isWidgetInputEnabled(widget)) {
+                widget = null; // Fallback to mRootWidget in order to allow world clicks to dismiss UI.
+            }
             float scale = widget != null ? widget.getPlacement().textureScale : 1.0f;
             final float x = aX / scale;
             final float y = aY / scale;
@@ -608,6 +612,9 @@ void handleMotionEvent(final int aHandle, final int aDevice, final boolean aPres
     void handleScrollEvent(final int aHandle, final int aDevice, final float aX, final float aY) {
         runOnUiThread(() -> {
             Widget widget = mWidgets.get(aHandle);
+            if (!isWidgetInputEnabled(widget)) {
+                return;
+            }
             if (widget != null) {
                 float scrollDirection = mSettings.getScrollDirection() == 0 ? 1.0f : -1.0f;
                 MotionEventGenerator.dispatchScroll(widget, aDevice, aX * scrollDirection, aY * scrollDirection);
@@ -842,6 +849,22 @@ public void addWidgets(final Iterable<Widget> aWidgets) {
         });
     }
 
+    private void updateActiveDialog(final Widget aWidget) {
+        if (!aWidget.isDialog()) {
+            return;
+        }
+
+        if (aWidget.isVisible()) {
+            mActiveDialog = aWidget;
+        } else if (aWidget == mActiveDialog && !aWidget.isVisible()) {
+            mActiveDialog = null;
+        }
+    }
+
+    private boolean isWidgetInputEnabled(Widget aWidget) {
+        return mActiveDialog == null || aWidget == null || mActiveDialog == aWidget || aWidget instanceof KeyboardWidget;
+    }
+
     // VideoAvailabilityListener
     @Override
     public void onVideoAvailabilityChanged(boolean aVideosAvailable) {
@@ -850,10 +873,11 @@ public void onVideoAvailabilityChanged(boolean aVideosAvailable) {
 
     // WidgetManagerDelegate
     @Override
-    public void addWidget(final Widget aWidget) {
+    public void addWidget(Widget aWidget) {
         mWidgets.put(aWidget.getHandle(), aWidget);
         ((View)aWidget).setVisibility(aWidget.getPlacement().visible ? View.VISIBLE : View.GONE);
         queueRunnable(() -> addWidgetNative(aWidget.getHandle(), aWidget.getPlacement()));
+        updateActiveDialog(aWidget);
     }
 
     @Override
@@ -886,7 +910,7 @@ public void updateWidget(final Widget aWidget) {
         for (UpdateListener listener: mWidgetUpdateListeners) {
             listener.onWidgetUpdate(aWidget);
         }
-
+        updateActiveDialog(aWidget);
     }
 
     @Override
@@ -895,6 +919,9 @@ public void removeWidget(final Widget aWidget) {
         mWidgetContainer.removeView((View) aWidget);
         aWidget.setFirstDraw(false);
         queueRunnable(() -> removeWidgetNative(aWidget.getHandle()));
+        if (aWidget == mActiveDialog) {
+            mActiveDialog = null;
+        }
     }
 
     @Override

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

@@ -182,6 +182,11 @@ public void releaseWidget() {
         mWidgetManager = null;
     }
 
+    @Override
+    public boolean isDialog() {
+        return false;
+    }
+
     @Override
     public void setFirstDraw(final boolean aIsFirstDraw) {
         mWidgetPlacement.firstDraw = aIsFirstDraw;

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

@@ -24,6 +24,7 @@ public interface Widget {
     void setFirstDraw(boolean aIsFirstDraw);
     boolean getFirstDraw();
     boolean isVisible();
+    boolean isDialog();
     void setVisible(boolean aVisible);
     void resizeByMultiplier(float aspect, float multiplier);
 }

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

@@ -21,7 +21,7 @@
 import org.mozilla.vrbrowser.ui.widgets.WidgetManagerDelegate;
 import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
 
-public class CrashDialogWidget extends UIWidget implements WidgetManagerDelegate.FocusChangeListener {
+public class CrashDialogWidget extends UIDialog {
 
     private static final String LOGTAG = "VRB";
 
@@ -150,12 +150,4 @@ public void hide(@HideFlags int aHideFlags) {
     public void setCrashDialogDelegate(CrashDialogDelegate aDelegate) {
         mCrashDialogDelegate = aDelegate;
     }
-
-    // WidgetManagerDelegate.FocusChangeListener
-    @Override
-    public void onGlobalFocusChanged(View oldFocus, View newFocus) {
-        if (oldFocus == this && isVisible()) {
-            onDismiss();
-        }
-    }
 }

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

@@ -23,7 +23,7 @@
 
 import java.net.URI;
 
-public class PermissionWidget extends UIWidget implements WidgetManagerDelegate.FocusChangeListener {
+public class PermissionWidget extends UIDialog implements WidgetManagerDelegate.FocusChangeListener {
 
     private static final String LOGTAG = "VRB";
 
@@ -58,8 +58,6 @@ public PermissionWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
     private void initialize(Context aContext) {
         inflate(aContext, R.layout.permission, this);
 
-        mWidgetManager.addFocusChangeListener(this);
-
         mPermissionIcon = findViewById(R.id.permissionIcon);
         mPermissionMessage = findViewById(R.id.permissionText);
 
@@ -70,13 +68,6 @@ private void initialize(Context aContext) {
         allowButton.setOnClickListener(v -> handlePermissionResult(true));
     }
 
-    @Override
-    public void releaseWidget() {
-        mWidgetManager.removeFocusChangeListener(this);
-
-        super.releaseWidget();
-    }
-
     @Override
     protected void initializeWidgetPlacement(WidgetPlacement aPlacement) {
         Context context = getContext();
@@ -177,13 +168,4 @@ private void handlePermissionResult(boolean aGranted) {
 
         onDismiss();
     }
-
-    // WidgetManagerDelegate.FocusChangeListener
-
-    @Override
-    public void onGlobalFocusChanged(View oldFocus, View newFocus) {
-        if (oldFocus == this && isVisible()) {
-            onDismiss();
-        }
-    }
 }

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

@@ -19,7 +19,7 @@
 import org.mozilla.vrbrowser.ui.widgets.UIWidget;
 import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
 
-public class RestartDialogWidget extends UIWidget {
+public class RestartDialogWidget extends UIDialog {
 
     private static final String LOGTAG = "VRB";
 

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

@@ -0,0 +1,48 @@
+package org.mozilla.vrbrowser.ui.widgets.dialogs;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+
+import org.mozilla.vrbrowser.ui.widgets.UIWidget;
+import org.mozilla.vrbrowser.ui.widgets.WidgetManagerDelegate;
+
+public abstract class UIDialog extends UIWidget implements WidgetManagerDelegate.FocusChangeListener {
+    public UIDialog(Context aContext) {
+        super(aContext);
+        initialize();
+    }
+
+    public UIDialog(Context aContext, AttributeSet aAttrs) {
+        super(aContext, aAttrs);
+        initialize();
+    }
+
+    public UIDialog(Context aContext, AttributeSet aAttrs, int aDefStyle) {
+        super(aContext, aAttrs, aDefStyle);
+        initialize();
+    }
+
+    private void initialize() {
+        mWidgetManager.addFocusChangeListener(this);
+    }
+
+    @Override
+    public void releaseWidget() {
+        super.releaseWidget();
+        mWidgetManager.removeFocusChangeListener(this);
+    }
+
+    @Override
+    public boolean isDialog() {
+        return true;
+    }
+
+    // WidgetManagerDelegate.FocusChangeListener
+    @Override
+    public void onGlobalFocusChanged(View oldFocus, View newFocus) {
+        if (oldFocus == this && isVisible()) {
+            onDismiss();
+        }
+    }
+}

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

@@ -35,8 +35,8 @@
 import androidx.annotation.IdRes;
 import androidx.core.app.ActivityCompat;
 
-public class VoiceSearchWidget extends UIWidget implements WidgetManagerDelegate.PermissionListener,
-        Application.ActivityLifecycleCallbacks, WidgetManagerDelegate.FocusChangeListener {
+public class VoiceSearchWidget extends UIDialog implements WidgetManagerDelegate.PermissionListener,
+        Application.ActivityLifecycleCallbacks {
 
     private static final String LOGTAG = "VRB";
     private static final int VOICESEARCH_AUDIO_REQUEST_CODE = 7455;
@@ -87,7 +87,6 @@ private void initialize(Context aContext) {
 
         mAudio = AudioEngine.fromContext(aContext);
 
-        mWidgetManager.addFocusChangeListener(this);
         mWidgetManager.addPermissionListener(this);
 
         mMozillaSpeechService = MozillaSpeechService.getInstance();
@@ -135,7 +134,6 @@ public void setDelegate(VoiceSearchDelegate delegate) {
 
     @Override
     public void releaseWidget() {
-        mWidgetManager.removeFocusChangeListener(this);
         mWidgetManager.removePermissionListener(this);
         mMozillaSpeechService.removeListener(mVoiceSearchListener);
         ((Application)getContext().getApplicationContext()).unregisterActivityLifecycleCallbacks(this);
@@ -370,13 +368,4 @@ public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
     public void onActivityDestroyed(Activity activity) {
 
     }
-
-    // WidgetManagerDelegate.FocusChangeListener
-    @Override
-    public void onGlobalFocusChanged(View oldFocus, View newFocus) {
-        if (isVisible()) {
-            hide(REMOVE_WIDGET);
-        }
-    }
-
 }

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

@@ -30,10 +30,7 @@ public AlertPromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
         initialize(aContext);
     }
 
-    @Override
     protected void initialize(Context aContext) {
-        super.initialize(aContext);
-
         inflate(aContext, R.layout.prompt_alert, this);
 
         mAudio = AudioEngine.fromContext(aContext);

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

@@ -42,10 +42,7 @@ public AuthPromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
         initialize(aContext);
     }
 
-    @Override
     protected void initialize(Context aContext) {
-        super.initialize(aContext);
-
         inflate(aContext, R.layout.prompt_auth, this);
 
         mAudio = AudioEngine.fromContext(aContext);

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

@@ -57,10 +57,7 @@ public ChoicePromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle)
         initialize(aContext);
     }
 
-    @Override
     protected void initialize(Context aContext) {
-        super.initialize(aContext);
-
         inflate(aContext, R.layout.prompt_choice, this);
 
         mWidgetManager.addFocusChangeListener(this);

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

@@ -35,10 +35,7 @@ public ConfirmPromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle)
         initialize(aContext);
     }
 
-    @Override
     protected void initialize(Context aContext) {
-        super.initialize(aContext);
-
         inflate(aContext, R.layout.prompt_confirm, this);
 
         mWidgetManager.addFocusChangeListener(this);

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

@@ -11,8 +11,9 @@
 import org.mozilla.vrbrowser.ui.widgets.UIWidget;
 import org.mozilla.vrbrowser.ui.widgets.WidgetManagerDelegate;
 import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
+import org.mozilla.vrbrowser.ui.widgets.dialogs.UIDialog;
 
-public class PromptWidget extends UIWidget implements WidgetManagerDelegate.FocusChangeListener {
+public class PromptWidget extends UIDialog {
 
     protected TextView mTitle;
     protected TextView mMessage;
@@ -31,10 +32,6 @@ public PromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
         super(aContext, aAttrs, aDefStyle);
     }
 
-    protected void initialize(Context aContext) {
-        mWidgetManager.addFocusChangeListener(this);
-    }
-
     public void setTitle(String title) {
         if (title == null || title.isEmpty()) {
             mTitle.setVisibility(View.GONE);
@@ -66,12 +63,6 @@ protected void initializeWidgetPlacement(WidgetPlacement aPlacement) {
         aPlacement.translationZ = WidgetPlacement.unitFromMeters(getContext(), R.dimen.browser_children_z_distance);
     }
 
-    @Override
-    public void releaseWidget() {
-        mWidgetManager.removeFocusChangeListener(this);
-
-        super.releaseWidget();
-    }
 
     @Override
     public void show() {

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

@@ -33,10 +33,7 @@ public TextPromptWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
         initialize(aContext);
     }
 
-    @Override
     protected void initialize(Context aContext) {
-        super.initialize(aContext);
-
         inflate(aContext, R.layout.prompt_text, this);
 
         mAudio = AudioEngine.fromContext(aContext);

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

@@ -31,6 +31,7 @@
 import org.mozilla.vrbrowser.ui.widgets.WidgetManagerDelegate;
 import org.mozilla.vrbrowser.ui.widgets.WidgetPlacement;
 import org.mozilla.vrbrowser.ui.widgets.dialogs.RestartDialogWidget;
+import org.mozilla.vrbrowser.ui.widgets.dialogs.UIDialog;
 import org.mozilla.vrbrowser.ui.widgets.prompts.AlertPromptWidget;
 
 import java.io.UnsupportedEncodingException;
@@ -39,7 +40,7 @@
 import java.util.Calendar;
 import java.util.GregorianCalendar;
 
-public class SettingsWidget extends UIWidget implements WidgetManagerDelegate.FocusChangeListener, WidgetManagerDelegate.WorldClickListener, SettingsView.Delegate {
+public class SettingsWidget extends UIDialog implements WidgetManagerDelegate.WorldClickListener, SettingsView.Delegate {
     private static final String LOGTAG = "VRB";
     private AudioEngine mAudio;
     private SettingsView mCurrentView;
@@ -82,7 +83,6 @@ public SettingsWidget(Context aContext, AttributeSet aAttrs, int aDefStyle) {
     private void initialize(Context aContext) {
         inflate(aContext, R.layout.settings, this);
 
-        mWidgetManager.addFocusChangeListener(this);
         mWidgetManager.addWorldClickListener(this);
         mMainLayout = findViewById(R.id.optionsLayout);
 
@@ -211,7 +211,6 @@ private void initialize(Context aContext) {
     @Override
     public void releaseWidget() {
         mWidgetManager.removeWorldClickListener(this);
-        mWidgetManager.removeFocusChangeListener(this);
 
         super.releaseWidget();
     }