VrShell background implemented in JS.

chrome/browser/android/vr_shell/ui_scene.cc

Index: chrome/browser/android/vr_shell/ui_scene.cc
diff --git a/chrome/browser/android/vr_shell/ui_scene.cc b/chrome/browser/android/vr_shell/ui_scene.cc
index 0035c1c66973e504b1150178c143e827a1f2da8d..5c958d48f9f524bd4ec99717e3296330131ba0b3 100644
--- a/chrome/browser/android/vr_shell/ui_scene.cc
+++ b/chrome/browser/android/vr_shell/ui_scene.cc
@@ -51,6 +51,23 @@ void ParseVec3f(const base::DictionaryValue& dict, const std::string& key,
   }
 }
 
+void ParseColorf(const base::DictionaryValue& dict,
+                 const std::string& key,
+                 Colorf* output) {
+  const base::DictionaryValue* item_dict;
+  if (dict.GetDictionary(key, &item_dict)) {
+    double value;
+    CHECK(item_dict->GetDouble("r", &value));
+    output->r = value;
+    CHECK(item_dict->GetDouble("g", &value));
+    output->g = value;
+    CHECK(item_dict->GetDouble("b", &value));
+    output->b = value;
+    CHECK(item_dict->GetDouble("a", &value));
+    output->a = value;
+  }
+}
+
 void ParseRotationAxisAngle(const base::DictionaryValue& dict,
                             const std::string& key, RotationAxisAngle* output) {
   const base::DictionaryValue* item_dict;
@@ -387,7 +404,6 @@ void UiScene::ApplyDictToElement(const base::DictionaryValue& dict,
   dict.GetBoolean("visible", &element->visible);
   dict.GetBoolean("hitTestable", &element->hit_testable);
   dict.GetBoolean("lockToFov", &element->lock_to_fov);
-  ParseRecti(dict, "copyRect", &element->copy_rect);
   Parse2DVec3f(dict, "size", &element->size);
   ParseVec3f(dict, "scale", &element->scale);
   ParseRotationAxisAngle(dict, "rotation", &element->rotation);
@@ -416,6 +432,28 @@ void UiScene::ApplyDictToElement(const base::DictionaryValue& dict,
                       reinterpret_cast<int*>(&element->y_anchoring))) {
     CHECK_GE(element->parent_id, 0);
   }
+
+  // Parse the element fill.
+  if (dict.GetInteger("fillType", reinterpret_cast<int*>(&element->fill))) {
+    switch (element->fill) {
+      case Fill::SPRITE:
+        ParseRecti(dict, "copyRect", &element->copy_rect);
+        break;
+      case Fill::OPAQUE_GRADIENT:
+        ParseColorf(dict, "edgeColor", &element->edge_color);
+        ParseColorf(dict, "centerColor", &element->center_color);
+      case Fill::GRID_GRADIENT:
+        ParseColorf(dict, "edgeColor", &element->edge_color);
+        ParseColorf(dict, "centerColor", &element->center_color);
+        int value;
+        dict.GetInteger("tileNumber", &value);
+        element->tile_number = value;
+        break;
+      default:
+        element->fill = Fill::NONE;
+        break;
+    }
+  }
 }
 
 }  // namespace vr_shell