Implementation of joptionspane for not supported tray notification

kmpnotifier/src/jvmMain/kotlin/com/mmk/kmpnotifier/di/PlatformModule.jvm.kt

@@ -1,7 +1,7 @@
 package com.mmk.kmpnotifier.di
 
 import com.mmk.kmpnotifier.firebase.FirebaseDesktopPushNotifier
-import com.mmk.kmpnotifier.notification.DesktopNotifier
+import com.mmk.kmpnotifier.notification.DesktopNotifierFactory
 import com.mmk.kmpnotifier.notification.Notifier
 import com.mmk.kmpnotifier.notification.PushNotifier
 import com.mmk.kmpnotifier.notification.configuration.NotificationPlatformConfiguration
@@ -18,7 +18,7 @@ internal actual val platformModule: Module = module {
     factory {
         val configuration =
             get<NotificationPlatformConfiguration>() as NotificationPlatformConfiguration.Desktop
-        DesktopNotifier(desktopNotificationConfiguration = configuration)
+        DesktopNotifierFactory.getNotifier(configuration = configuration)
     } bind Notifier::class
     factoryOf(::DesktopPermissionUtil) bind PermissionUtil::class
     factoryOf(::FirebaseDesktopPushNotifier) bind PushNotifier::class

kmpnotifier/src/jvmMain/kotlin/com/mmk/kmpnotifier/extensions/DesktopPlatformExt.kt

@@ -1,9 +1,11 @@
 package com.mmk.kmpnotifier.extensions
 
+import java.io.File
+
 internal sealed interface DesktopPlatform {
-    data object Linux:DesktopPlatform
-    data object Windows:DesktopPlatform
-    data object MacOs:DesktopPlatform
+    data object Linux : DesktopPlatform
+    data object Windows : DesktopPlatform
+    data object MacOs : DesktopPlatform
 }
 
 internal fun getDesktopPlatformType(): DesktopPlatform? {
@@ -14,4 +16,12 @@ internal fun getDesktopPlatformType(): DesktopPlatform? {
         name?.contains("Mac") == true -> DesktopPlatform.MacOs
         else -> null
     }
+}
+
+public fun composeDesktopResourcesPath(): String? {
+    return runCatching {
+        val resourcesDirectory = File(System.getProperty("compose.application.resources.dir"))
+        return resourcesDirectory.canonicalPath
+    }.getOrNull()
+
 }

kmpnotifier/src/jvmMain/kotlin/com/mmk/kmpnotifier/notification/DesktopNotifierFactory.kt

@@ -0,0 +1,15 @@
+package com.mmk.kmpnotifier.notification
+
+import com.mmk.kmpnotifier.notification.configuration.NotificationPlatformConfiguration
+import com.mmk.kmpnotifier.notification.impl.JOptionPaneNotifier
+import com.mmk.kmpnotifier.notification.impl.TrayNotifier
+
+internal object DesktopNotifierFactory {
+    fun getNotifier(configuration: NotificationPlatformConfiguration.Desktop): Notifier {
+        return when {
+            TrayNotifier.isSupported -> TrayNotifier(configuration = configuration)
+            //TODO for now return JOptionPaneNotifier for not supported platforms
+            else -> JOptionPaneNotifier(configuration = configuration)
+        }
+    }
+}

kmpnotifier/src/jvmMain/kotlin/com/mmk/kmpnotifier/notification/impl/JOptionPaneNotifier.kt

@@ -0,0 +1,34 @@
+package com.mmk.kmpnotifier.notification.impl
+
+import com.mmk.kmpnotifier.notification.Notifier
+import com.mmk.kmpnotifier.notification.configuration.NotificationPlatformConfiguration
+import javax.swing.ImageIcon
+import javax.swing.JOptionPane
+
+internal class JOptionPaneNotifier(private val configuration: NotificationPlatformConfiguration.Desktop) :
+    Notifier {
+
+    override fun notify(title: String, body: String, payloadData: Map<String, String>): Int {
+        val id = -1
+        notify(id = id, title = title, body = body, payloadData)
+        return id
+    }
+
+    override fun notify(id: Int, title: String, body: String, payloadData: Map<String, String>) {
+        JOptionPane.showMessageDialog(
+            null,
+            body,
+            title,
+            JOptionPane.INFORMATION_MESSAGE,
+            ImageIcon(configuration.notificationIconPath)
+        )
+    }
+
+    override fun remove(id: Int) {
+        println("No remove functionality")
+    }
+
+    override fun removeAll() {
+        println("No removeAll functionality")
+    }
+}

kmpnotifier/src/jvmMain/kotlin/com/mmk/kmpnotifier/notification/impl/TrayNotifier.kt

@@ -0,0 +1,58 @@
+package com.mmk.kmpnotifier.notification.impl
+
+import com.mmk.kmpnotifier.notification.Notifier
+import com.mmk.kmpnotifier.notification.configuration.NotificationPlatformConfiguration
+import java.awt.SystemTray
+import java.awt.Toolkit
+import java.awt.TrayIcon
+import kotlin.random.Random
+
+internal class TrayNotifier(private val configuration: NotificationPlatformConfiguration.Desktop) :
+    Notifier {
+
+    private val trayIcons: MutableMap<Int, TrayIcon> = mutableMapOf()
+
+    companion object {
+        val isSupported by lazy {
+            SystemTray.isSupported().also {
+                if (it.not()) System.err.println(
+                    "Tray is not supported on the current platform. "
+                )
+            }
+        }
+    }
+
+    override fun notify(title: String, body: String, payloadData: Map<String, String>): Int {
+        if (isSupported.not()) return -1
+        val notificationID = Random.nextInt(0, Int.MAX_VALUE)
+        notify(notificationID, title, body, payloadData)
+        return notificationID
+    }
+
+    override fun notify(
+        id: Int,
+        title: String,
+        body: String,
+        payloadData: Map<String, String>
+    ) {
+        if (isSupported.not()) return
+        val icon = Toolkit.getDefaultToolkit().getImage(configuration.notificationIconPath)
+        val trayIcon = TrayIcon(icon).apply {
+            isImageAutoSize = true
+        }
+        SystemTray.getSystemTray().add(trayIcon)
+            .also { trayIcons[id] = trayIcon }
+        trayIcon.displayMessage(title, body, TrayIcon.MessageType.INFO)
+    }
+
+    override fun remove(id: Int) {
+        val systemTray = SystemTray.getSystemTray()
+        val trayIcon = trayIcons.getOrDefault(id, null)
+        trayIcon?.let { systemTray.remove(it) }
+    }
+
+    override fun removeAll() {
+        val systemTray = SystemTray.getSystemTray()
+        systemTray.trayIcons.forEach { systemTray.remove(it) }
+    }
+}

sample/src/desktopMain/kotlin/com/mmk/kmpnotifier/sample/Main.kt

@@ -1,7 +1,7 @@
 package com.mmk.kmpnotifier.sample
+
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
-import androidx.compose.ui.window.rememberTrayState
 
 
 fun main() = application {

sample/src/desktopMain/kotlin/com/mmk/kmpnotifier/sample/Platform.desktop.kt

@@ -1,11 +1,16 @@
 package com.mmk.kmpnotifier.sample
 
+import com.mmk.kmpnotifier.extensions.composeDesktopResourcesPath
 import com.mmk.kmpnotifier.notification.NotifierManager
 import com.mmk.kmpnotifier.notification.configuration.NotificationPlatformConfiguration
+import java.io.File
 
 actual fun onApplicationStartPlatformSpecific() {
     println("Desktop app is initialized")
     NotifierManager.initialize(
-        NotificationPlatformConfiguration.Desktop(showPushNotification = true, notificationIconPath = "ic_notification.png")
+        NotificationPlatformConfiguration.Desktop(
+            showPushNotification = true,
+            notificationIconPath = composeDesktopResourcesPath() + File.separator + "ic_notification.png"
+        )
     )
 }