Index: content/browser/geofencing/mock_geofencing_service.cc |
diff --git a/content/browser/geofencing/mock_geofencing_service.cc b/content/browser/geofencing/mock_geofencing_service.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3bb1c2211a2750dc42040323076b659dfab5ce4a |
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+++ b/content/browser/geofencing/mock_geofencing_service.cc |
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+// 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. |
+ |
+// MSVC++ requires this to be set before any other includes to get M_PI. |
+#define _USE_MATH_DEFINES |
+ |
+#include "content/browser/geofencing/mock_geofencing_service.h" |
+ |
+#include <cmath> |
+ |
+#include "base/bind.h" |
+#include "base/message_loop/message_loop.h" |
+#include "content/browser/geofencing/geofencing_registration_delegate.h" |
+#include "third_party/WebKit/public/platform/WebCircularGeofencingRegion.h" |
+ |
+namespace content { |
+ |
+namespace { |
+ |
+void RegisterRegionResult(GeofencingRegistrationDelegate* delegate, |
+ int64 geofencing_registration_id, |
+ GeofencingStatus status) { |
+ base::MessageLoop::current()->PostTask( |
+ FROM_HERE, |
+ base::Bind(&GeofencingRegistrationDelegate::RegistrationFinished, |
+ base::Unretained(delegate), geofencing_registration_id, |
+ status)); |
+} |
+ |
+double DegreesToRadians(float degrees) { |
+ return (M_PI * degrees) / 180.f; |
+} |
+ |
+double Haversin(double theta) { |
+ double temp = sin(theta / 2); |
+ return temp * temp; |
+} |
+ |
+// Calculates the distance in meters between two points with coordinates in |
+// degrees. |
+double Distance(double lat1, double long1, double lat2, double long2) { |
+ double R = 6371000; // radius of earth in meters |
+ double phi1 = DegreesToRadians(lat1); |
+ double phi2 = DegreesToRadians(lat2); |
+ double dphi = DegreesToRadians(lat2 - lat1); |
+ double dlambda = DegreesToRadians(long2 - long1); |
+ double haversine = Haversin(dphi) + cos(phi1) * cos(phi2) * Haversin(dlambda); |
+ return 2 * R * asin(sqrt(haversine)); |
+} |
+ |
+// Returns true iff the provided coordinate is inside the region. |
+bool PositionInRegion(double latitude, |
+ double longitude, |
+ const blink::WebCircularGeofencingRegion& region) { |
+ return Distance(latitude, longitude, region.latitude, region.longitude) <= |
+ region.radius; |
+} |
+} |
+ |
+struct MockGeofencingService::Registration { |
+ blink::WebCircularGeofencingRegion region; |
+ GeofencingRegistrationDelegate* delegate; |
+ bool is_inside; |
+}; |
+ |
+MockGeofencingService::MockGeofencingService(bool service_available) |
+ : available_(service_available), |
+ next_id_(0), |
+ has_position_(false), |
+ last_latitude_(0), |
+ last_longitude_(0) { |
+} |
+ |
+MockGeofencingService::~MockGeofencingService() { |
+} |
+ |
+void MockGeofencingService::SetMockPosition(double latitude, double longitude) { |
+ has_position_ = true; |
+ last_latitude_ = latitude; |
+ last_longitude_ = longitude; |
+ for (auto& registration : registrations_) { |
+ bool is_inside = |
+ PositionInRegion(latitude, longitude, registration.second.region); |
+ if (is_inside != registration.second.is_inside) { |
+ if (is_inside) |
+ registration.second.delegate->RegionEntered(registration.first); |
+ else |
+ registration.second.delegate->RegionExited(registration.first); |
+ } |
+ registration.second.is_inside = is_inside; |
+ } |
+} |
+ |
+bool MockGeofencingService::IsServiceAvailable() { |
+ return available_; |
+} |
+ |
+int64 MockGeofencingService::RegisterRegion( |
+ const blink::WebCircularGeofencingRegion& region, |
+ GeofencingRegistrationDelegate* delegate) { |
+ int64 id = next_id_++; |
+ Registration& registration = registrations_[id]; |
+ registration.region = region; |
+ registration.delegate = delegate; |
+ registration.is_inside = |
+ has_position_ && |
+ PositionInRegion(last_latitude_, last_longitude_, region); |
+ RegisterRegionResult(delegate, id, GEOFENCING_STATUS_OK); |
+ if (registration.is_inside) { |
+ base::MessageLoop::current()->PostTask( |
+ FROM_HERE, base::Bind(&GeofencingRegistrationDelegate::RegionEntered, |
+ base::Unretained(delegate), id)); |
+ } |
+ return id; |
+} |
+ |
+void MockGeofencingService::UnregisterRegion(int64 geofencing_registration_id) { |
+ registrations_.erase(geofencing_registration_id); |
+} |
+ |
+} // namespace content |