1 files changed, 49 insertions, 0 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/fragments/BaseFragment.kt b/app/src/main/kotlin/com/pitchedapps/frost/fragments/BaseFragment.kt
new file mode 100644
index 00000000..435b87a2
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/fragments/BaseFragment.kt
@@ -0,0 +1,49 @@
+package com.pitchedapps.frost.fragments
+
+import android.content.Context
+import android.support.v4.app.Fragment
+import com.pitchedapps.frost.utils.KeyPairObservable
+import com.pitchedapps.frost.utils.L
+import com.pitchedapps.frost.utils.putInt
+import io.reactivex.disposables.Disposable
+import io.reactivex.functions.Consumer
+
+/**
+ * Created by Allan Wang on 2017-05-29.
+ */
+interface BaseFragmentContract {
+    fun onActivityEvent(position: Int, key: Int)
+    fun onBackPressed(): Boolean
+}
+
+abstract class BaseFragment : Fragment(), Consumer<Pair<Int, Int>>, BaseFragmentContract {
+    var disposable: Disposable? = null
+    val position: Int by lazy { arguments.getInt(ARG_POSITION) }
+
+    companion object {
+        val ARG_POSITION = "arg_position"
+
+        fun <T : BaseFragment> newInstance(fragment: T, position: Int): T {
+            fragment.putInt(ARG_POSITION, position)
+            return fragment
+        }
+    }
+
+    override fun onAttach(context: Context?) {
+        super.onAttach(context)
+        if (activity is KeyPairObservable && disposable == null)
+            disposable = (activity as KeyPairObservable).observable.subscribe(this, Consumer {
+                t: Throwable ->
+                L.e(t.message ?: "Observable error")
+            })
+    }
+
+    override fun onDestroyView() {
+        disposable?.dispose()
+        disposable = null
+        super.onDestroyView()
+    }
+
+    override fun accept(t: Pair<Int, Int>) = onActivityEvent(t.first, t.second)
+
+}
+\ No newline at end of file