--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/Geolocation.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef Geolocation_h
+#define Geolocation_h
+
+#include "GeolocationPositionCache.h"
+#include "Geoposition.h"
+#include "PositionCallback.h"
+#include "PositionError.h"
+#include "PositionErrorCallback.h"
+#include "PositionOptions.h"
+#include "Timer.h"
+
+#if !ENABLE(CLIENT_BASED_GEOLOCATION)
+#include "GeolocationService.h"
+#endif
+
+namespace WebCore {
+
+class Frame;
+
+#if ENABLE(CLIENT_BASED_GEOLOCATION)
+class GeolocationPosition;
+class GeolocationError;
+#endif
+
+class Geolocation : public RefCounted<Geolocation>
+#if !ENABLE(CLIENT_BASED_GEOLOCATION) && ENABLE(GEOLOCATION)
+    , public GeolocationServiceClient
+#endif
+{
+public:
+    static PassRefPtr<Geolocation> create(Frame* frame) { return adoptRef(new Geolocation(frame)); }
+
+    ~Geolocation();
+
+    void disconnectFrame();
+    
+    void getCurrentPosition(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PassRefPtr<PositionOptions>);
+    int watchPosition(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PassRefPtr<PositionOptions>);
+    void clearWatch(int watchId);
+
+    // These methods are used by Android.
+    void suspend();
+    void resume();
+
+    void setIsAllowed(bool);
+    Frame* frame() const { return m_frame; }
+
+#if ENABLE(CLIENT_BASED_GEOLOCATION)
+    void positionChanged();
+    void setError(GeolocationError*);
+#else
+    GeolocationService* getGeolocationService() const { return m_service.get(); }
+#endif
+
+private:
+    Geoposition* lastPosition();
+
+    bool isAllowed() const { return m_allowGeolocation == Yes; }
+    bool isDenied() const { return m_allowGeolocation == No; }
+    
+    Geolocation(Frame*);
+
+    class GeoNotifier : public RefCounted<GeoNotifier> {
+    public:
+        static PassRefPtr<GeoNotifier> create(Geolocation* geolocation, PassRefPtr<PositionCallback> positionCallback, PassRefPtr<PositionErrorCallback> positionErrorCallback, PassRefPtr<PositionOptions> options) { return adoptRef(new GeoNotifier(geolocation, positionCallback, positionErrorCallback, options)); }
+        
+        void setFatalError(PassRefPtr<PositionError>);
+        bool hasZeroTimeout() const;
+        void setUseCachedPosition();
+        void runSuccessCallback(Geoposition*);
+        void startTimerIfNeeded();
+        void timerFired(Timer<GeoNotifier>*);
+        
+        Geolocation* m_geolocation;
+        RefPtr<PositionCallback> m_successCallback;
+        RefPtr<PositionErrorCallback> m_errorCallback;
+        RefPtr<PositionOptions> m_options;
+        Timer<GeoNotifier> m_timer;
+        RefPtr<PositionError> m_fatalError;
+        bool m_useCachedPosition;
+
+    private:
+        GeoNotifier(Geolocation*, PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PassRefPtr<PositionOptions>);
+    };
+
+    class Watchers {
+    public:
+        void set(int id, PassRefPtr<GeoNotifier>);
+        void remove(int id);
+        void remove(GeoNotifier*);
+        bool contains(GeoNotifier*) const;
+        void clear();
+        bool isEmpty() const;
+        void getNotifiersVector(Vector<RefPtr<GeoNotifier> >&) 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(Vector<RefPtr<GeoNotifier> >&, PositionError*);
+    void sendPosition(Vector<RefPtr<GeoNotifier> >&, Geoposition*);
+
+    static void stopTimer(Vector<RefPtr<GeoNotifier> >&);
+    void stopTimersForOneShots();
+    void stopTimersForWatchers();
+    void stopTimers();
+
+    void positionChangedInternal();
+    void makeSuccessCallbacks();
+    void handleError(PositionError*);
+
+    void requestPermission();
+
+    bool startUpdating(GeoNotifier*);
+    void stopUpdating();
+
+#if !ENABLE(CLIENT_BASED_GEOLOCATION) && ENABLE(GEOLOCATION)
+    // GeolocationServiceClient
+    virtual void geolocationServicePositionChanged(GeolocationService*);
+    virtual void geolocationServiceErrorOccurred(GeolocationService*);
+#endif
+
+    PassRefPtr<GeoNotifier> startRequest(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PassRefPtr<PositionOptions>);
+
+    void fatalErrorOccurred(GeoNotifier*);
+    void requestTimedOut(GeoNotifier*);
+    void requestUsesCachedPosition(GeoNotifier*);
+    bool haveSuitableCachedPosition(PositionOptions*);
+    void makeCachedPositionCallbacks();
+
+    typedef HashSet<RefPtr<GeoNotifier> > GeoNotifierSet;
+    
+    GeoNotifierSet m_oneShots;
+    Watchers m_watchers;
+    Frame* m_frame;
+#if !ENABLE(CLIENT_BASED_GEOLOCATION)
+    OwnPtr<GeolocationService> m_service;
+#endif
+#if USE(PREEMPT_GEOLOCATION_PERMISSION)
+    RefPtr<GeoNotifier> m_startRequestPermissionNotifier;
+#endif
+    RefPtr<Geoposition> m_lastPosition;
+
+    enum {
+        Unknown,
+        InProgress,
+        Yes,
+        No
+    } m_allowGeolocation;
+
+#if ENABLE(GEOLOCATION)
+    OwnPtr<GeolocationPositionCache> m_positionCache;
+#endif
+    GeoNotifierSet m_requestsAwaitingCachedPosition;
+};
+    
+} // namespace WebCore
+
+#endif // Geolocation_h