[Android] Livedataset: Add sorted insertion

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue May  5 17:20:12 2020 +0200| [821a1b04976b42523527ed772cec4d932348c2cb] | committer: Geoffrey Métais

Livedataset: Add sorted insertion

> https://code.videolan.org/videolan/vlc-android/commit/821a1b04976b42523527ed772cec4d932348c2cb
---

 .../src/main/java/org/videolan/tools/livedata/LiveDataset.kt     | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/application/tools/src/main/java/org/videolan/tools/livedata/LiveDataset.kt b/application/tools/src/main/java/org/videolan/tools/livedata/LiveDataset.kt
index 13d1615f6..350a3dd04 100644
--- a/application/tools/src/main/java/org/videolan/tools/livedata/LiveDataset.kt
+++ b/application/tools/src/main/java/org/videolan/tools/livedata/LiveDataset.kt
@@ -56,6 +56,15 @@ class LiveDataset<T> : MutableLiveData<MutableList<T>>() {
         value = internalList.apply { add(item) }
     }
 
+    fun add(item: T, comparator: Comparator<T>) {
+        var position = 0
+        for (media in internalList) {
+            if (comparator.compare(item, media) > 0) position++
+            else break
+        }
+        value = internalList.apply { this.add(position, item) }
+    }
+
     fun add(position: Int, item: T) {
         value = internalList.apply { add(position, item) }
     }