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Diffstat (limited to 'gps/location/ILocationAPI.h')
| -rw-r--r-- | gps/location/ILocationAPI.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/gps/location/ILocationAPI.h b/gps/location/ILocationAPI.h new file mode 100644 index 0000000..3df6f79 --- /dev/null +++ b/gps/location/ILocationAPI.h @@ -0,0 +1,194 @@ +/* Copyright (c) 2018 The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of The Linux Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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 ILOCATIONAPI_H +#define ILOCATIONAPI_H + +#include "LocationDataTypes.h" + +class ILocationAPI +{ +public: + virtual ~ILocationAPI(){}; + + /** @brief Updates/changes the callbacks that will be called. + mandatory callbacks must be present for callbacks to be successfully updated + no return value */ + virtual void updateCallbacks(LocationCallbacks&) = 0; + + /* ================================== TRACKING ================================== */ + + /** @brief Starts a tracking session, which returns a session id that will be + used by the other tracking APIs and also in the responseCallback to match command + with response. locations are reported on the registered trackingCallback + periodically according to LocationOptions. + @return session id + responseCallback returns: + LOCATION_ERROR_SUCCESS if session was successfully started + LOCATION_ERROR_ALREADY_STARTED if a startTracking session is already in progress + LOCATION_ERROR_CALLBACK_MISSING if no trackingCallback was passed + LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameter is invalid */ + virtual uint32_t startTracking(TrackingOptions&) = 0; + + /** @brief Stops a tracking session associated with id parameter. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */ + virtual void stopTracking(uint32_t id) = 0; + + /** @brief Changes the LocationOptions of a tracking session associated with id. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a tracking session */ + virtual void updateTrackingOptions(uint32_t id, TrackingOptions&) = 0; + + /* ================================== BATCHING ================================== */ + + /** @brief starts a batching session, which returns a session id that will be + used by the other batching APIs and also in the responseCallback to match command + with response. locations are reported on the batchingCallback passed in createInstance + periodically according to LocationOptions. A batching session starts tracking on + the low power processor and delivers them in batches by the batchingCallback when + the batch is full or when getBatchedLocations is called. This allows for the processor + that calls this API to sleep when the low power processor can batch locations in the + backgroup and wake up the processor calling the API only when the batch is full, thus + saving power. + @return session id + responseCallback returns: + LOCATION_ERROR_SUCCESS if session was successful + LOCATION_ERROR_ALREADY_STARTED if a startBatching session is already in progress + LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback + LOCATION_ERROR_INVALID_PARAMETER if a parameter is invalid + LOCATION_ERROR_NOT_SUPPORTED if batching is not supported */ + virtual uint32_t startBatching(BatchingOptions&) = 0; + + /** @brief Stops a batching session associated with id parameter. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with batching session */ + virtual void stopBatching(uint32_t id) = 0; + + /** @brief Changes the LocationOptions of a batching session associated with id. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_INVALID_PARAMETER if LocationOptions parameters are invalid + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */ + virtual void updateBatchingOptions(uint32_t id, BatchingOptions&) = 0; + + /** @brief Gets a number of locations that are currently stored/batched + on the low power processor, delivered by the batchingCallback passed in createInstance. + Location are then deleted from the batch stored on the low power processor. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful, will be followed by batchingCallback call + LOCATION_ERROR_CALLBACK_MISSING if no batchingCallback + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a batching session */ + virtual void getBatchedLocations(uint32_t id, size_t count) = 0; + + /* ================================== GEOFENCE ================================== */ + + /** @brief Adds any number of geofences and returns an array of geofence ids that + will be used by the other geofence APIs and also in the collectiveResponseCallback to + match command with response. The geofenceBreachCallback will deliver the status of each + geofence according to the GeofenceOption for each. The geofence id array returned will + be valid until the collectiveResponseCallback is called and has returned. + @return id array + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if session was successful + LOCATION_ERROR_CALLBACK_MISSING if no geofenceBreachCallback + LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid + LOCATION_ERROR_NOT_SUPPORTED if geofence is not supported */ + virtual uint32_t* addGeofences(size_t count, GeofenceOption*, GeofenceInfo*) = 0; + + /** @brief Removes any number of geofences. Caller should delete ids array after + removeGeofences returneds. + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ + virtual void removeGeofences(size_t count, uint32_t* ids) = 0; + + /** @brief Modifies any number of geofences. Caller should delete ids array after + modifyGeofences returns. + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session + LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid */ + virtual void modifyGeofences(size_t count, uint32_t* ids, GeofenceOption* options) = 0; + + /** @brief Pauses any number of geofences, which is similar to removeGeofences, + only that they can be resumed at any time. Caller should delete ids array after + pauseGeofences returns. + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ + virtual void pauseGeofences(size_t count, uint32_t* ids) = 0; + + /** @brief Resumes any number of geofences that are currently paused. Caller should + delete ids array after resumeGeofences returns. + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_ID_UNKNOWN if id is not associated with a geofence session */ + virtual void resumeGeofences(size_t count, uint32_t* ids) = 0; + + /* ================================== GNSS ====================================== */ + + /** @brief gnssNiResponse is called in response to a gnssNiCallback. + responseCallback returns: + LOCATION_ERROR_SUCCESS if session was successful + LOCATION_ERROR_INVALID_PARAMETER if any parameters in GnssNiResponse are invalid + LOCATION_ERROR_ID_UNKNOWN if id does not match a gnssNiCallback */ + virtual void gnssNiResponse(uint32_t id, GnssNiResponse response) = 0; +}; + +class ILocationControlAPI +{ +public: + virtual ~ILocationControlAPI(){}; + + /** @brief Updates the gnss specific configuration, which returns a session id array + with an id for each of the bits set in GnssConfig.flags, order from low bits to high bits. + The response for each config that is set will be returned in collectiveResponseCallback. + The session id array returned will be valid until the collectiveResponseCallback is called + and has returned. This effect is global for all clients of ILocationAPI. + collectiveResponseCallback returns: + LOCATION_ERROR_SUCCESS if session was successful + LOCATION_ERROR_INVALID_PARAMETER if any other parameters are invalid + LOCATION_ERROR_GENERAL_FAILURE if failure for any other reason */ + virtual uint32_t* gnssUpdateConfig(GnssConfig config) = 0; + + /** @brief Delete specific gnss aiding data for testing, which returns a session id + that will be returned in responseCallback to match command with response. + Only allowed in userdebug builds. This effect is global for all clients of ILocationAPI. + responseCallback returns: + LOCATION_ERROR_SUCCESS if successful + LOCATION_ERROR_INVALID_PARAMETER if any parameters are invalid + LOCATION_ERROR_NOT_SUPPORTED if build is not userdebug */ + virtual uint32_t gnssDeleteAidingData(GnssAidingData& data) = 0; +}; + +#endif /* ILOCATIONAPI_H */ |