diff options
Diffstat (limited to 'kvision-modules')
-rw-r--r-- | kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Geolocation.kt | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Geolocation.kt b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Geolocation.kt new file mode 100644 index 00000000..9f4d9cfe --- /dev/null +++ b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Geolocation.kt @@ -0,0 +1,263 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package pl.treksoft.kvision.cordova + +import pl.treksoft.kvision.utils.obj +import kotlin.browser.window +import kotlin.coroutines.resume +import kotlin.coroutines.suspendCoroutine + +/** + * Geolocation coordinates values. + */ +external class Coordinates { + val latitude: Number + val longitude: Number + val altitude: Number + val accuracy: Number + val altitudeAccuracy: Number? + val heading: Number? + val speed: Number +} + +/** + * Geolocation position value. + */ +external class Position { + val coords: Coordinates + val timestamp: Number +} + +/** + * Geolocaton error codes. + */ +enum class PositionError { + PERMISSION_DENIED, + POSITION_UNAVAILABLE, + TIMEOUT +} + +private fun codeToEnum(code: Int): PositionError { + return when (code) { + 1 -> PositionError.PERMISSION_DENIED + 2 -> PositionError.POSITION_UNAVAILABLE + else -> PositionError.TIMEOUT + } +} + +/** + * Exception class for geolocation errors. + */ +class GeolocationException(val code: PositionError, message: String) : Exception(message) + +/** + * Main geolocation object based on webview api. + */ +object Geolocation { + + /** + * Get current location. + * @param enableHighAccuracy provides a hint that the application needs the best possible results + * @param timeout the maximum length of time (milliseconds) that is allowed to pass before getting the result + * @param maximumAge accept a cached position whose age is no greater than the specified time in milliseconds + */ + @Suppress("UnsafeCastFromDynamic") + suspend fun getCurrentPosition( + enableHighAccuracy: Boolean = true, + timeout: Number? = null, + maximumAge: Number? = null + ): Result<Position, GeolocationException> { + return suspendCoroutine { continuation -> + addDeviceReadyListener { + window.navigator.asDynamic().geolocation.getCurrentPosition({ position: Position -> + continuation.resume(Result.Success(position)) + }, { error -> + continuation.resume(Result.error(GeolocationException(codeToEnum(error.code), error.message))) + }, obj { + this.enableHighAccuracy = enableHighAccuracy + if (timeout != null) this.timeout = timeout + if (maximumAge != null) this.maximumAge = maximumAge + }) + } + } + } + + /** + * Watch location changes. + * @param enableHighAccuracy provides a hint that the application needs the best possible results + * @param timeout the maximum length of time (milliseconds) that is allowed to pass before getting the result + * @param maximumAge accept a cached position whose age is no greater than the specified time in milliseconds + * @param resultCallback a callback function receiving the result + * @return watch identifier (can be removed with a [clearWatch] function) + */ + @Suppress("UnsafeCastFromDynamic") + suspend fun watchPosition( + enableHighAccuracy: Boolean = true, + timeout: Number? = null, + maximumAge: Number? = null, + resultCallback: (Result<Position, GeolocationException>) -> Unit + ): String? { + return suspendCoroutine { continuation -> + addDeviceReadyListener { + val watchId = window.navigator.asDynamic().geolocation.watchPosition({ position: Position -> + resultCallback(Result.Success(position)) + }, { error -> + resultCallback(Result.error(GeolocationException(codeToEnum(error.code), error.message))) + }, obj { + this.enableHighAccuracy = enableHighAccuracy + if (timeout != null) this.timeout = timeout + if (maximumAge != null) this.maximumAge = maximumAge + }) + continuation.resume(watchId) + } + } + } + + /** + * Clear the given watch. + * @param watchId watch identifier returned from [watchPosition] function + */ + @Suppress("UnsafeCastFromDynamic") + fun clearWatch(watchId: String) { + if (window.navigator.asDynamic().geolocation != null) { + window.navigator.asDynamic().geolocation.clearWatch(watchId) + } + } + +} + +/** + * Main geolocation object based on Google location services api. + */ +object Locationservices { + + /** + * Location services priority. + */ + enum class Priority { + PRIORITY_HIGH_ACCURACY, + PRIORITY_BALANCED_POWER_ACCURACY, + PRIORITY_LOW_POWER, + PRIORITY_NO_POWER + } + + /** + * Get current location. + * @param enableHighAccuracy provides a hint that the application needs the best possible results + * @param timeout the maximum length of time (milliseconds) that is allowed to pass before getting the result + * @param maximumAge accept a cached position whose age is no greater than the specified time in milliseconds + * @param priority the priority of the request is a strong hint for which location sources to use + * @param interval set the desired interval for active location updates, in milliseconds + * @param fastInterval explicitly set the fastest interval for location updates, in milliseconds + */ + @Suppress("UnsafeCastFromDynamic") + suspend fun getCurrentPosition( + enableHighAccuracy: Boolean = true, + timeout: Number? = null, + maximumAge: Number? = null, + priority: Priority? = null, + interval: Number? = null, + fastInterval: Number? = null + ): Result<Position, GeolocationException> { + return suspendCoroutine { continuation -> + addDeviceReadyListener { + window.asDynamic() + .cordova.plugins.locationServices.geolocation.getCurrentPosition({ position: Position -> + continuation.resume(Result.Success(position)) + }, { error -> + continuation.resume(Result.error(GeolocationException(codeToEnum(error.code), error.message))) + }, obj { + this.enableHighAccuracy = enableHighAccuracy + if (timeout != null) this.timeout = timeout + if (maximumAge != null) this.maximumAge = maximumAge + if (priority != null) this.priority = getJsPriority(priority) + if (interval != null) this.interval = interval + if (fastInterval != null) this.fastInterval = fastInterval + }) + } + } + } + + /** + * Watch location changes. + * @param enableHighAccuracy provides a hint that the application needs the best possible results + * @param timeout the maximum length of time (milliseconds) that is allowed to pass before getting the result + * @param maximumAge accept a cached position whose age is no greater than the specified time in milliseconds + * @param priority the priority of the request is a strong hint for which location sources to use + * @param interval set the desired interval for active location updates, in milliseconds + * @param fastInterval explicitly set the fastest interval for location updates, in milliseconds + * @param resultCallback a callback function receiving the result + * @return watch identifier (can be removed with a [clearWatch] function) + */ + @Suppress("UnsafeCastFromDynamic") + suspend fun watchPosition( + enableHighAccuracy: Boolean = true, + timeout: Number? = null, + maximumAge: Number? = null, + priority: Priority? = null, + interval: Number? = null, + fastInterval: Number? = null, + resultCallback: (Result<Position, GeolocationException>) -> Unit + ): String? { + return suspendCoroutine { continuation -> + addDeviceReadyListener { + val watchId = + window.asDynamic() + .cordova.plugins.locationServices.geolocation.watchPosition({ position: Position -> + resultCallback(Result.Success(position)) + }, { error -> + resultCallback(Result.error(GeolocationException(codeToEnum(error.code), error.message))) + }, obj { + this.enableHighAccuracy = enableHighAccuracy + if (timeout != null) this.timeout = timeout + if (maximumAge != null) this.maximumAge = maximumAge + if (priority != null) this.priority = getJsPriority(priority) + if (interval != null) this.interval = interval + if (fastInterval != null) this.fastInterval = fastInterval + }) + continuation.resume(watchId) + } + } + } + + /** + * Clear the given watch. + * @param watchId watch identifier returned from [watchPosition] function + */ + @Suppress("UnsafeCastFromDynamic") + fun clearWatch(watchId: String) { + if (window.asDynamic().cordova.plugins.locationServices.geolocation != null) { + window.asDynamic().cordova.plugins.locationServices.geolocation.clearWatch(watchId) + } + } + + private fun getJsPriority(priority: Priority): dynamic { + return when (priority) { + Priority.PRIORITY_HIGH_ACCURACY -> 100 + Priority.PRIORITY_BALANCED_POWER_ACCURACY -> 102 + Priority.PRIORITY_LOW_POWER -> 104 + Priority.PRIORITY_NO_POWER -> 105 + } + } + +} |