Pass through geofencing API calls to the content layer.

Source/modules/geofencing/Geofencing.cpp

Index: Source/modules/geofencing/Geofencing.cpp
diff --git a/Source/modules/geofencing/Geofencing.cpp b/Source/modules/geofencing/Geofencing.cpp
index 59d8b975755550e0b2f48b7a08e7fda81d16acc8..9cc6c8a3c0012c69be1fa7bfb9c37005dee119e9 100644
--- a/Source/modules/geofencing/Geofencing.cpp
+++ b/Source/modules/geofencing/Geofencing.cpp
@@ -5,12 +5,44 @@
 #include "config.h"
 #include "modules/geofencing/Geofencing.h"
 
+#include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
+#include "modules/geofencing/GeofencingError.h"
+#include "modules/geofencing/GeofencingRegion.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebGeofencingProvider.h"
 
 namespace blink {
 
+namespace {
+
+class RegionArray {
+public:
+    typedef blink::WebVector<blink::WebGeofencingRegion> WebType;
+    static HeapVector<Member<GeofencingRegion> > take(ScriptPromiseResolver* resolver, WebType* regionsRaw)
+    {
+        OwnPtr<WebType> webRegions = adoptPtr(regionsRaw);
+        HeapVector<Member<GeofencingRegion> > regions;
+        for (size_t i = 0; i < webRegions->size(); ++i) {
+            regions.append(GeofencingRegion::createFromWebRegion((*webRegions)[i]));
+        }
+        return regions;
+    }
+
+    static void dispose(WebType* regionsRaw)
+    {
+        delete regionsRaw;
+    }
+
+private:
+    RegionArray();
+};
+
+} // namespace
+
 Geofencing::Geofencing()
 {
     ScriptWrappable::init(this);
@@ -18,17 +50,41 @@ Geofencing::Geofencing()
 
 ScriptPromise Geofencing::registerRegion(ScriptState* scriptState, GeofencingRegion* region)
 {
-    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+    WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
+    if (!provider)
+        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+
+    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+    // TODO(mek): somehow pass a reference to the current serviceworker to the provider.
+    provider->registerRegion(region->webRegion(), new CallbackPromiseAdapter<void, GeofencingError>(resolver));
+    return promise;
 }
 
 ScriptPromise Geofencing::unregisterRegion(ScriptState* scriptState, const String& regionId)
 {
-    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+    WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
+    if (!provider)
+        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+
+    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+    // TODO(mek): somehow pass a reference to the current serviceworker to the provider.
+    provider->unregisterRegion(regionId, new CallbackPromiseAdapter<void, GeofencingError>(resolver));
+    return promise;
 }
 
 ScriptPromise Geofencing::getRegisteredRegions(ScriptState* scriptState) const
 {
-    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+    WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
+    if (!provider)
+        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
+
+    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+    // TODO(mek): somehow pass a reference to the current serviceworker to the provider.
+    provider->getRegisteredRegions(new CallbackPromiseAdapter<RegionArray, GeofencingError>(resolver));
+    return promise;
 }
 
 } // namespace blink