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26 #ifndef GeolocationController_h
27 #define GeolocationController_h
29 #include "core/page/Page.h"
30 #include "core/page/PageLifecycleObserver.h"
31 #include "modules/geolocation/Geolocation.h"
32 #include "platform/heap/Handle.h"
33 #include "wtf/HashSet.h"
34 #include "wtf/Noncopyable.h"
35 #include "wtf/RefPtr.h"
39 class GeolocationInspectorAgent;
40 class GeolocationClient;
41 class GeolocationError;
42 class GeolocationPosition;
45 class GeolocationController FINAL : public NoBaseWillBeGarbageCollectedFinalized<GeolocationController>, public WillBeHeapSupplement<Page>, public PageLifecycleObserver {
46 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(GeolocationController);
47 WTF_MAKE_NONCOPYABLE(GeolocationController);
49 virtual ~GeolocationController();
51 static PassOwnPtrWillBeRawPtr<GeolocationController> create(Page&, GeolocationClient*);
53 void addObserver(Geolocation*, bool enableHighAccuracy);
54 void removeObserver(Geolocation*);
56 void requestPermission(Geolocation*);
57 void cancelPermissionRequest(Geolocation*);
59 void positionChanged(GeolocationPosition*);
60 void errorOccurred(GeolocationError*);
62 GeolocationPosition* lastPosition();
64 void setClientForTest(GeolocationClient*);
65 bool hasClientForTest() { return m_hasClientForTest; }
66 GeolocationClient* client() { return m_client; }
68 // Inherited from PageLifecycleObserver.
69 virtual void pageVisibilityChanged() OVERRIDE;
71 static const char* supplementName();
72 static GeolocationController* from(Page* page) { return static_cast<GeolocationController*>(WillBeHeapSupplement<Page>::from(page, supplementName())); }
74 virtual void trace(Visitor*) OVERRIDE;
76 virtual void willBeDestroyed() OVERRIDE;
79 GeolocationController(Page&, GeolocationClient*);
81 void startUpdatingIfNeeded();
82 void stopUpdatingIfNeeded();
84 GeolocationClient* m_client;
85 bool m_hasClientForTest;
87 RefPtrWillBeMember<GeolocationPosition> m_lastPosition;
88 typedef WillBeHeapHashSet<RefPtrWillBeMember<Geolocation> > ObserversSet;
89 // All observers; both those requesting high accuracy and those not.
90 ObserversSet m_observers;
91 ObserversSet m_highAccuracyObservers;
92 bool m_isClientUpdating;
93 GeolocationInspectorAgent* m_inspectorAgent;
96 } // namespace WebCore
98 #endif // GeolocationController_h