Add `sendLocation` API to Rust Room (#681)

Will be used by the location sharing feature.

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/MatrixRoom.kt

@@ -114,4 +114,13 @@ interface MatrixRoom : Closeable {
     suspend fun setTopic(topic: String): Result<Unit>
 
     suspend fun reportContent(eventId: EventId, reason: String, blockUserId: UserId?): Result<Unit>
+
+    /**
+     * Share a location message in the room.
+     *
+     * @param body A human readable textual representation of the location.
+     * @param geoUri A geo URI (RFC 5870) representing the location e.g. `geo:51.5008,0.1247;u=35`.
+     *  Respectively: latitude, longitude, and (optional) uncertainty.
+     */
+    suspend fun sendLocation(body: String, geoUri: String): Result<Unit>
 }

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/room/RustMatrixRoom.kt

@@ -338,4 +338,13 @@ class RustMatrixRoom(
             }
         }
     }
+
+    override suspend fun sendLocation(
+        body: String,
+        geoUri: String
+    ): Result<Unit> = withContext(coroutineDispatchers.io) {
+        runCatching {
+            innerRoom.sendLocation(body, geoUri, genTransactionId())
+        }
+    }
 }

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/room/FakeMatrixRoom.kt

@@ -77,6 +77,7 @@ class FakeMatrixRoom(
     private var cancelSendResult = Result.success(Unit)
     private var forwardEventResult = Result.success(Unit)
     private var reportContentResult = Result.success(Unit)
+    private var sendLocationResult = Result.success(Unit)
 
     var sendMediaCount = 0
         private set
@@ -93,6 +94,9 @@ class FakeMatrixRoom(
     var reportedContentCount: Int = 0
         private set
 
+    var sendLocationCount: Int = 0
+        private set
+
     var isInviteAccepted: Boolean = false
         private set
 
@@ -262,6 +266,14 @@ class FakeMatrixRoom(
         return reportContentResult
     }
 
+    override suspend fun sendLocation(
+        body: String,
+        geoUri: String
+    ): Result<Unit> = simulateLongTask {
+        sendLocationCount++
+        return sendLocationResult
+    }
+
     override fun close() = Unit
 
     fun givenLeaveRoomError(throwable: Throwable?) {
@@ -355,4 +367,8 @@ class FakeMatrixRoom(
     fun givenReportContentResult(result: Result<Unit>) {
         reportContentResult = result
     }
+
+    fun givenSendLocationResult(result: Result<Unit>) {
+        sendLocationResult = result
+    }
 }