Pass through geofencing API calls to the content layer.

Source/modules/geofencing/Geofencing.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #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/CircularGeofencingRegion.h"
+#include "modules/geofencing/GeofencingError.h"
+#include "modules/geofencing/GeofencingRegion.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebCircularGeofencingRegion.h"
+#include "public/platform/WebGeofencingProvider.h"
+#include "public/platform/WebGeofencingRegistration.h"
 
 namespace blink {
 
+namespace {
+
+// For CallbackPromiseAdapter to convert a WebVector of regions to a HeapVector.
+class RegionArray {
+public:
+    typedef blink::WebVector<blink::WebGeofencingRegistration> 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(CircularGeofencingRegion::create((*webRegions)[i].id, (*webRegions)[i].region));
+        return regions;
+    }
+
+    static void dispose(WebType* regionsRaw)
+    {
+        delete regionsRaw;
+    }
+
+private:
+    RegionArray();
+};
+
+} // namespace
+
 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();
+    // FIXME: somehow pass a reference to the current serviceworker to the provider.
+    provider->registerRegion(region->id(), toCircularGeofencingRegion(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();
+    // FIXME: 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();
+    // FIXME: somehow pass a reference to the current serviceworker to the provider.
+    provider->getRegisteredRegions(new CallbackPromiseAdapter<RegionArray, GeofencingError>(resolver));
+    return promise;
 }
 
 } // namespace blink