Support for Cordova network api.

1 files changed, 89 insertions, 0 deletions

diff --git a/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Network.kt b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Network.kt
new file mode 100644
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--- /dev/null
+++ b/kvision-modules/kvision-cordova/src/main/kotlin/pl/treksoft/kvision/cordova/Network.kt
@@ -0,0 +1,89 @@
+/*
+ * 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 kotlin.browser.document
+import kotlin.browser.window
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+/**
+ * Main object for Cordova network.
+ */
+object Network {
+
+    /**
+     * Connection types
+     */
+    enum class ConnectionType {
+        UNKNOWN,
+        ETHERNET,
+        WIFI,
+        CELL_2G,
+        CELL_3G,
+        CELL_4G,
+        CELL,
+        NONE
+    }
+
+    /**
+     * Network status events
+     */
+    enum class NetworkEvent(internal val type: String) {
+        OFFLINE("offline"),
+        ONLINE("online")
+    }
+
+    /**
+     * Get network connection type.
+     */
+    suspend fun getConnectionType(): ConnectionType {
+        return suspendCoroutine { continuation ->
+            addDeviceReadyListener {
+                val connectionType = when (window.navigator.asDynamic().connection.type) {
+                    js("Connection.ETHERNET") -> ConnectionType.ETHERNET
+                    js("Connection.WIFI") -> ConnectionType.WIFI
+                    js("Connection.CELL_2G") -> ConnectionType.CELL_2G
+                    js("Connection.CELL_3G") -> ConnectionType.CELL_3G
+                    js("Connection.CELL_4G") -> ConnectionType.CELL_4G
+                    js("Connection.CELL") -> ConnectionType.CELL
+                    js("Connection.NONE") -> ConnectionType.NONE
+                    else -> ConnectionType.UNKNOWN
+                }
+                continuation.resume(connectionType)
+            }
+        }
+    }
+
+    /**
+     * Add listeners for network status Cordova events.
+     */
+    fun addStatusListener(event: NetworkEvent, listener: () -> Unit) {
+        addDeviceReadyListener {
+            document.addEventListener(event.type, {
+                listener()
+            }, false)
+        }
+    }
+
+}