[core] Immutable Impls

1 files changed, 20 insertions, 2 deletions

diff --git a/src/mbgl/style/source.cpp b/src/mbgl/style/source.cpp
index cfb268006b..4fcebc8377 100644
--- a/src/mbgl/style/source.cpp
+++ b/src/mbgl/style/source.cpp
@@ -1,15 +1,24 @@
 #include <mbgl/style/source.hpp>
 #include <mbgl/style/source_impl.hpp>
+#include <mbgl/style/source_observer.hpp>
+#include <mbgl/util/logging.hpp>
 
 namespace mbgl {
 namespace style {
 
-Source::Source(SourceType type_, std::unique_ptr<Impl> baseImpl_)
-    : baseImpl(std::move(baseImpl_)), type(type_) {
+static SourceObserver nullObserver;
+
+Source::Source(Immutable<Impl> impl)
+    : baseImpl(std::move(impl)),
+      observer(&nullObserver) {
 }
 
 Source::~Source() = default;
 
+SourceType Source::getType() const {
+    return baseImpl->type;
+}
+
 const std::string& Source::getID() const {
     return baseImpl->id;
 }
@@ -18,5 +27,14 @@ optional<std::string> Source::getAttribution() const {
     return baseImpl->getAttribution();
 }
 
+void Source::setObserver(SourceObserver* observer_) {
+    observer = observer_ ? observer_ : &nullObserver;
+}
+
+void Source::dumpDebugLogs() const {
+    Log::Info(Event::General, "Source::id: %s", getID().c_str());
+    Log::Info(Event::General, "Source::loaded: %d", loaded);
+}
+
 } // namespace style
 } // namespace mbgl