src/third_party/WebKit/Source/modules/geofencing/Geofencing.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "modules/geofencing/Geofencing.h"
   7
   8 #include "bindings/core/v8/CallbackPromiseAdapter.h"
   9 #include "bindings/core/v8/ScriptPromise.h"
  10 #include "bindings/core/v8/ScriptPromiseResolver.h"
  11 #include "core/dom/DOMException.h"
  12 #include "core/dom/ExceptionCode.h"
  13 #include "modules/geofencing/CircularGeofencingRegion.h"
  14 #include "modules/geofencing/GeofencingError.h"
  15 #include "modules/geofencing/GeofencingRegion.h"
  16 #include "public/platform/Platform.h"
  17 #include "public/platform/WebCircularGeofencingRegion.h"
  18 #include "public/platform/WebGeofencingProvider.h"
  19 #include "public/platform/WebGeofencingRegistration.h"
  20
  21 namespace blink {
  22
  23 namespace {
  24
  25 // For CallbackPromiseAdapter to convert a WebVector of regions to a HeapVector.
  26 class RegionArray {
  27 public:
  28     typedef blink::WebVector<blink::WebGeofencingRegistration> WebType;
  29     static HeapVector<Member<GeofencingRegion> > take(ScriptPromiseResolver* resolver, WebType* regionsRaw)
  30     {
  31         OwnPtr<WebType> webRegions = adoptPtr(regionsRaw);
  32         HeapVector<Member<GeofencingRegion> > regions;
  33         for (size_t i = 0; i < webRegions->size(); ++i)
  34             regions.append(CircularGeofencingRegion::create((*webRegions)[i].id, (*webRegions)[i].region));
  35         return regions;
  36     }
  37
  38     static void dispose(WebType* regionsRaw)
  39     {
  40         delete regionsRaw;
  41     }
  42
  43 private:
  44     RegionArray();
  45 };
  46
  47 } // namespace
  48
  49 Geofencing::Geofencing()
  50 {
  51 }
  52
  53 ScriptPromise Geofencing::registerRegion(ScriptState* scriptState, GeofencingRegion* region)
  54 {
  55     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
  56     if (!provider)
  57         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
  58
  59     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
  60     ScriptPromise promise = resolver->promise();
  61     // FIXME: somehow pass a reference to the current serviceworker to the provider.
  62     provider->registerRegion(region->id(), toCircularGeofencingRegion(region)->webRegion(), new CallbackPromiseAdapter<void, GeofencingError>(resolver));
  63     return promise;
  64 }
  65
  66 ScriptPromise Geofencing::unregisterRegion(ScriptState* scriptState, const String& regionId)
  67 {
  68     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
  69     if (!provider)
  70         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
  71
  72     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
  73     ScriptPromise promise = resolver->promise();
  74     // FIXME: somehow pass a reference to the current serviceworker to the provider.
  75     provider->unregisterRegion(regionId, new CallbackPromiseAdapter<void, GeofencingError>(resolver));
  76     return promise;
  77 }
  78
  79 ScriptPromise Geofencing::getRegisteredRegions(ScriptState* scriptState) const
  80 {
  81     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
  82     if (!provider)
  83         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
  84
  85     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
  86     ScriptPromise promise = resolver->promise();
  87     // FIXME: somehow pass a reference to the current serviceworker to the provider.
  88     provider->getRegisteredRegions(new CallbackPromiseAdapter<RegionArray, GeofencingError>(resolver));
  89     return promise;
  90 }
  91
  92 } // namespace blink