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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 "heap/Handle.h"
32 #include "modules/geolocation/Geolocation.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 Supplement<Page>, public PageLifecycleObserver {
46 WTF_MAKE_NONCOPYABLE(GeolocationController);
48 virtual ~GeolocationController();
50 static PassOwnPtr<GeolocationController> create(Page*, GeolocationClient*);
52 void addObserver(Geolocation*, bool enableHighAccuracy);
53 void removeObserver(Geolocation*);
55 void requestPermission(Geolocation*);
56 void cancelPermissionRequest(Geolocation*);
58 void positionChanged(GeolocationPosition*);
59 void errorOccurred(GeolocationError*);
61 GeolocationPosition* lastPosition();
63 void setClientForTest(GeolocationClient*);
64 bool hasClientForTest() { return m_hasClientForTest; }
65 GeolocationClient* client() { return m_client; }
67 // Inherited from PageLifecycleObserver.
68 virtual void pageVisibilityChanged() OVERRIDE;
70 static const char* supplementName();
71 static GeolocationController* from(Page* page) { return static_cast<GeolocationController*>(Supplement<Page>::from(page, supplementName())); }
74 GeolocationController(Page*, GeolocationClient*);
76 void startUpdatingIfNeeded();
77 void stopUpdatingIfNeeded();
79 GeolocationClient* m_client;
80 bool m_hasClientForTest;
82 RefPtr<GeolocationPosition> m_lastPosition;
83 typedef WillBePersistentHeapHashSet<RefPtrWillBeMember<Geolocation> > ObserversSet;
84 // All observers; both those requesting high accuracy and those not.
85 ObserversSet m_observers;
86 ObserversSet m_highAccuracyObservers;
87 bool m_isClientUpdating;
88 GeolocationInspectorAgent* m_inspectorAgent;
91 } // namespace WebCore
93 #endif // GeolocationController_h