#pragma once
#if ENABLE(GEOLOCATION)
#include "ActiveDOMObject.h"
#include "Document.h"
#include "Geoposition.h"
#include "PositionCallback.h"
#include "PositionError.h"
#include "PositionErrorCallback.h"
#include "PositionOptions.h"
#include "ScriptWrappable.h"
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
namespace WebCore {
class Frame;
class GeoNotifier;
class GeolocationError;
class Page;
class ScriptExecutionContext;
class SecurityOrigin;
struct PositionOptions;
class Geolocation : public ScriptWrappable, public RefCounted<Geolocation>, public ActiveDOMObject {
friend class GeoNotifier;
public:
static Ref<Geolocation> create(ScriptExecutionContext*);
WEBCORE_EXPORT ~Geolocation();
WEBCORE_EXPORT void resetAllGeolocationPermission();
Document* document() const { return downcast<Document>(scriptExecutionContext()); }
Frame* frame() const { return document() ? document()->frame() : nullptr; }
void getCurrentPosition(Ref<PositionCallback>&&, RefPtr<PositionErrorCallback>&&, PositionOptions&&);
int watchPosition(Ref<PositionCallback>&&, RefPtr<PositionErrorCallback>&&, PositionOptions&&);
void clearWatch(int watchID);
WEBCORE_EXPORT void setIsAllowed(bool);
void resetIsAllowed() { m_allowGeolocation = Unknown; }
bool isAllowed() const { return m_allowGeolocation == Yes; }
void positionChanged();
void setError(GeolocationError*);
bool shouldBlockGeolocationRequests();
private:
explicit Geolocation(ScriptExecutionContext*);
Geoposition* lastPosition();
void stop() override;
bool canSuspendForDocumentSuspension() const override;
void suspend(ReasonForSuspension) override;
void resume() override;
const char* activeDOMObjectName() const override;
bool isDenied() const { return m_allowGeolocation == No; }
Page* page() const;
SecurityOrigin* securityOrigin() const;
typedef Vector<RefPtr<GeoNotifier>> GeoNotifierVector;
typedef HashSet<RefPtr<GeoNotifier>> GeoNotifierSet;
class Watchers {
public:
bool add(int id, RefPtr<GeoNotifier>&&);
GeoNotifier* find(int id);
void remove(int id);
void remove(GeoNotifier*);
bool contains(GeoNotifier*) const;
void clear();
bool isEmpty() const;
void getNotifiersVector(GeoNotifierVector&) const;
private:
typedef HashMap<int, RefPtr<GeoNotifier>> IdToNotifierMap;
typedef HashMap<RefPtr<GeoNotifier>, int> NotifierToIdMap;
IdToNotifierMap m_idToNotifierMap;
NotifierToIdMap m_notifierToIdMap;
};
bool hasListeners() const { return !m_oneShots.isEmpty() || !m_watchers.isEmpty(); }
void sendError(GeoNotifierVector&, PositionError&);
void sendPosition(GeoNotifierVector&, Geoposition&);
static void extractNotifiersWithCachedPosition(GeoNotifierVector& notifiers, GeoNotifierVector* cached);
static void copyToSet(const GeoNotifierVector&, GeoNotifierSet&);
static void stopTimer(GeoNotifierVector&);
void stopTimersForOneShots();
void stopTimersForWatchers();
void stopTimers();
void cancelRequests(GeoNotifierVector&);
void cancelAllRequests();
void makeSuccessCallbacks(Geoposition&);
void handleError(PositionError&);
void requestPermission();
bool startUpdating(GeoNotifier*);
void stopUpdating();
void handlePendingPermissionNotifiers();
void startRequest(GeoNotifier*);
void fatalErrorOccurred(GeoNotifier*);
void requestTimedOut(GeoNotifier*);
void requestUsesCachedPosition(GeoNotifier*);
bool haveSuitableCachedPosition(const PositionOptions&);
void makeCachedPositionCallbacks();
GeoNotifierSet m_oneShots;
Watchers m_watchers;
GeoNotifierSet m_pendingForPermissionNotifiers;
RefPtr<Geoposition> m_lastPosition;
enum {
Unknown,
InProgress,
Yes,
No
} m_allowGeolocation;
bool m_isSuspended;
bool m_resetOnResume;
bool m_hasChangedPosition;
RefPtr<PositionError> m_errorWaitingForResume;
void resumeTimerFired();
Timer m_resumeTimer;
GeoNotifierSet m_requestsAwaitingCachedPosition;
};
}
#endif // ENABLE(GEOLOCATION)