Closes #2626 Pico controller updates and quit confirm dialog (#3111)

* Pico controllers update

* Pico confirm quit dialog

* Fix keys and added L/R

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

@@ -693,7 +693,22 @@ public void onBackPressed() {
             return;
         }
         if (!mWindows.handleBack()) {
-            super.onBackPressed();
+            if (DeviceType.isPicoVR()) {
+                mWindows.getFocusedWindow().showConfirmPrompt(
+                        getString(R.string.app_name),
+                        getString(R.string.exit_confirm_dialog_body, getString(R.string.app_name)),
+                        new String[]{
+                                getString(R.string.exit_confirm_dialog_button_cancel),
+                                getString(R.string.exit_confirm_dialog_button_quit),
+                        }, index -> {
+                            if (index == PromptDialogWidget.POSITIVE) {
+                                VRBrowserActivity.super.onBackPressed();
+                            }
+                        });
+
+            } else {
+                super.onBackPressed();
+            }
         }
     }
 

app/src/main/cpp/BrowserWorld.cpp

@@ -204,7 +204,6 @@ struct BrowserWorld::State {
     rootOpaqueParent->AddNode(rootOpaque);
     //rootOpaque->AddLight(light);
     //rootTransparent->AddLight(light);
-    rootController->AddLight(light);
     cullVisitor = CullVisitor::Create(create);
     drawList = DrawableList::Create(create);
     controllers = ControllerContainer::Create(create, rootTransparent);
@@ -804,6 +803,9 @@ BrowserWorld::InitializeJava(JNIEnv* aEnv, jobject& aActivity, jobject& aAssetMa
     m.controllers->SetPointerColor(vrb::Color(VRBrowser::GetPointerColor()));
     m.loadingAnimation->LoadModels(m.loader);
     m.rootController->AddNode(m.controllers->GetRoot());
+    if (m.device->IsControllerLightEnabled()) {
+      m.rootController->AddLight(m.light);
+    }
 #if !defined(SNAPDRAGONVR)
     UpdateEnvironment();
     // Don't load the env model, we are going for skyboxes in v1.0

app/src/main/cpp/DeviceDelegate.h

@@ -89,6 +89,7 @@ class DeviceDelegate {
   virtual VRLayerCubePtr CreateLayerCube(int32_t aWidth, int32_t aHeight, GLint aInternalFormat) { return nullptr; }
   virtual VRLayerEquirectPtr CreateLayerEquirect(const VRLayerPtr &aSource) { return nullptr; }
   virtual void DeleteLayer(const VRLayerPtr& aLayer) {};
+  virtual bool IsControllerLightEnabled() const { return true; }
 protected:
   DeviceDelegate() {}
 

app/src/main/res/values/strings.xml

@@ -1463,4 +1463,13 @@ the Select` button. When clicked it closes all the previously selected tabs -->
 
     <!-- This string is displayed in the disable button of the quick Tracking Protection dialog, accessed from the Tracking Protection icon in the URL bar. -->
     <string name="tracking_dialog_button_disable">Disable</string>
+
+    <!-- This string is displayed in the body of the confirm dialog shown in some platforms when the back button is pressed to quit the app.  -->
+    <string name="exit_confirm_dialog_body">Are you sure you want to exit %1$s?</string>
+
+    <!-- This string is displayed in the Cancel button of the confirm dialog shown in some platforms when the back button is pressed to quit the app.  -->
+    <string name="exit_confirm_dialog_button_cancel">Cancel</string>
+
+    <!-- This string is displayed in the Quit button of the confirm dialog shown in some platforms when the back button is pressed to quit the app.  -->
+    <string name="exit_confirm_dialog_button_quit">Quit</string>
 </resources>