Rename

app/src/main/java/io/legato/kazusa/utils/ConflateLiveData.kt

@@ -0,0 +1,37 @@
+package io.legato.kazusa.utils
+
+import android.os.Handler
+import android.os.Looper
+import androidx.lifecycle.LiveData
+
+/**
+ * 合并发送,只发送最新数据
+ * @param delay 发送时间间隔
+ */
+class ConflateLiveData<T>(val delay: Int) : LiveData<T>() {
+    private val handler = Handler(Looper.getMainLooper())
+    private val sendRunnable = Runnable { sendData() }
+    private var postTime = 0L
+    private var data: T? = null
+
+    private fun sendData() {
+        data?.let {
+            super.postValue(it)
+        }
+    }
+
+    @Synchronized
+    public override fun postValue(value: T) {
+        data = value
+        val postDelay = postTime + delay - System.currentTimeMillis()
+        if (postDelay > 0) {
+            handler.removeCallbacks(sendRunnable)
+            handler.postDelayed(sendRunnable, postDelay)
+        } else {
+            handler.removeCallbacks(sendRunnable)
+            postTime = System.currentTimeMillis()
+            super.postValue(value)
+        }
+    }
+
+}