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Diffstat (limited to 'WebCore/page/Geolocation.h')
-rw-r--r-- | WebCore/page/Geolocation.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/WebCore/page/Geolocation.h b/WebCore/page/Geolocation.h new file mode 100644 index 0000000..572cbd8 --- /dev/null +++ b/WebCore/page/Geolocation.h @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2008 Apple Inc. All Rights Reserved. + * + * 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 "GeolocationService.h" +#include "PositionCallback.h" +#include "PositionErrorCallback.h" +#include "PositionOptions.h" +#include "Timer.h" +#include <wtf/Platform.h> +#include <wtf/HashMap.h> +#include <wtf/HashSet.h> +#include <wtf/OwnPtr.h> +#include <wtf/PassRefPtr.h> +#include <wtf/RefCounted.h> +#include <wtf/RefPtr.h> + +namespace WebCore { + +class Frame; +class Geoposition; + +class Geolocation : public RefCounted<Geolocation>, public GeolocationServiceClient { +public: + static PassRefPtr<Geolocation> create(Frame* frame) { return adoptRef(new Geolocation(frame)); } + + virtual ~Geolocation() {} + + void disconnectFrame(); + + Geoposition* lastPosition() const { return m_service->lastPosition(); } + + void getCurrentPosition(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PositionOptions*); + int watchPosition(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PositionOptions*); + void clearWatch(int watchId); + + void suspend(); + void resume(); + +private: + Geolocation(Frame*); + + class GeoNotifier : public RefCounted<GeoNotifier> { + public: + static PassRefPtr<GeoNotifier> create(PassRefPtr<PositionCallback> positionCallback, PassRefPtr<PositionErrorCallback> positionErrorCallback, PositionOptions* options) { return adoptRef(new GeoNotifier(positionCallback, positionErrorCallback, options)); } + + void timerFired(Timer<GeoNotifier>*); + + RefPtr<PositionCallback> m_successCallback; + RefPtr<PositionErrorCallback> m_errorCallback; + Timer<GeoNotifier> m_timer; + + private: + GeoNotifier(PassRefPtr<PositionCallback>, PassRefPtr<PositionErrorCallback>, PositionOptions*); + }; + + bool hasListeners() const { return !m_oneShots.isEmpty() || !m_watchers.isEmpty(); } + + void sendErrorToOneShots(PositionError*); + void sendErrorToWatchers(PositionError*); + void sendPositionToOneShots(Geoposition*); + void sendPositionToWatchers(Geoposition*); + + void handleError(PositionError*); + + virtual void geolocationServicePositionChanged(GeolocationService*); + virtual void geolocationServiceErrorOccurred(GeolocationService*); + + typedef HashSet<RefPtr<GeoNotifier> > GeoNotifierSet; + typedef HashMap<int, RefPtr<GeoNotifier> > GeoNotifierMap; + + GeoNotifierSet m_oneShots; + GeoNotifierMap m_watchers; + Frame* m_frame; + OwnPtr<GeolocationService> m_service; +}; + +} // namespace WebCore + +#endif // Geolocation_h |