From eac1d1da4032b4541ad23009d0b8994f8ae24282 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Sun, 6 Dec 2020 21:03:40 +0100
Subject: [PATCH] Implemented determining OS type

---
 .../net/dankito/utils/multiplatform/os/Os.kt  | 19 ++++++++++++
 .../utils/multiplatform/os/OsHelper.kt        |  8 +++++
 .../dankito/utils/multiplatform/os/OsType.kt  | 12 ++++++++
 .../utils/multiplatform/os/OsHelper.kt        |  8 +++++
 .../utils/multiplatform/os/OsHelper.kt        | 29 +++++++++++++++++++
 5 files changed, 76 insertions(+)
 create mode 100644 common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/Os.kt
 create mode 100644 common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
 create mode 100644 common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsType.kt
 create mode 100644 common/src/iosMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
 create mode 100644 common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt

diff --git a/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/Os.kt b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/Os.kt
new file mode 100644
index 00000000..58959f5e
--- /dev/null
+++ b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/Os.kt
@@ -0,0 +1,19 @@
+package net.dankito.utils.multiplatform.os
+
+
+open class Os(open val osHelper: OsHelper = OsHelper()) {
+
+    open val osType: OsType
+        get() = osHelper.osType
+
+
+    open val isRunningOnJvm: Boolean
+        get() = osType == OsType.JVM
+
+    open val isRunningOnAndroid: Boolean
+        get() = osType == OsType.Android
+
+    open val isRunningOniOS: Boolean
+        get() = osType == OsType.iOS
+
+}
\ No newline at end of file
diff --git a/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
new file mode 100644
index 00000000..3d713667
--- /dev/null
+++ b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
@@ -0,0 +1,8 @@
+package net.dankito.utils.multiplatform.os
+
+
+expect class OsHelper {
+
+    val osType: OsType
+
+}
\ No newline at end of file
diff --git a/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsType.kt b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsType.kt
new file mode 100644
index 00000000..3fe3d65f
--- /dev/null
+++ b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/os/OsType.kt
@@ -0,0 +1,12 @@
+package net.dankito.utils.multiplatform.os
+
+
+enum class OsType {
+
+    JVM,
+
+    Android,
+
+    iOS
+
+}
\ No newline at end of file
diff --git a/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt b/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
new file mode 100644
index 00000000..70cd2db3
--- /dev/null
+++ b/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
@@ -0,0 +1,8 @@
+package net.dankito.utils.multiplatform.os
+
+
+actual class OsHelper {
+
+    actual val osType = OsType.iOS
+
+}
\ No newline at end of file
diff --git a/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt b/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
new file mode 100644
index 00000000..126f7286
--- /dev/null
+++ b/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/os/OsHelper.kt
@@ -0,0 +1,29 @@
+package net.dankito.utils.multiplatform.os
+
+
+actual open class OsHelper {
+
+    actual val osType: OsType
+        get() {
+            return if (isRunningOnAndroid) {
+                OsType.Android
+            }
+            else {
+                OsType.JVM
+            }
+        }
+
+
+    open val isRunningOnAndroid: Boolean = determineIsRunningOnAndroid()
+
+
+    protected open fun determineIsRunningOnAndroid(): Boolean {
+        try {
+            Class.forName("android.app.Activity")
+            return true
+        } catch (ex: Exception) { }
+
+        return false
+    }
+
+}
\ No newline at end of file