Only load home page if session uri is blank on new intent. (#3545)

Fixes #3530
Fixes #3543

Author: bluemarvin

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

@@ -643,7 +643,7 @@ void loadFromIntent(final Intent intent) {
             }
             mWindows.openNewTabAfterRestore(uri.toString(), location);
         } else {
-            mWindows.getFocusedWindow().loadHomeIfNotRestored();
+            mWindows.getFocusedWindow().loadHomeIfBlank();
         }
     }
 

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

@@ -126,7 +126,6 @@ public class WindowWidget extends UIWidget implements SessionChangeListener,
     private Windows.WindowPlacement mWindowPlacement = Windows.WindowPlacement.FRONT;
     private Windows.WindowPlacement mWindowPlacementBeforeFullscreen = Windows.WindowPlacement.FRONT;
     private float mMaxWindowScale = 3;
-    private boolean mIsRestored = false;
     private CopyOnWriteArrayList<WindowListener> mListeners;
     boolean mActive = false;
     boolean mHovered = false;
@@ -382,8 +381,9 @@ public void close() {
         mListeners.clear();
     }
 
-    public void loadHomeIfNotRestored() {
-        if (!mIsRestored) {
+    public void loadHomeIfBlank() {
+        final String currentUri = mSession.getCurrentUri();
+        if ((currentUri == null) || currentUri.isEmpty() || UrlUtils.isBlankUri(getContext(), mSession.getCurrentUri())) {
             loadHome();
         }
     }
@@ -397,10 +397,6 @@ public void loadHome() {
         }
     }
 
-    protected void setRestored(boolean restored) {
-        mIsRestored = restored;
-    }
-
     private void setView(View view, boolean switchSurface) {
         Runnable setView = () -> {
             if (switchSurface) {

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

@@ -333,7 +333,6 @@ private WindowWidget addRestoredWindow(@NonNull WindowState aState, @Nullable Se
         newWindow.getPlacement().width = aState.textureWidth;
         newWindow.getPlacement().height = aState.textureHeight;
         newWindow.getPlacement().worldWidth = aState.worldWidth;
-        newWindow.setRestored(true);
         placeWindow(newWindow, aState.placement);
         if (newWindow.getSession() != null) {
             if (aState.panelType != null) {