add clone support

service/src/main/aidl/com/github/kr328/clash/service/IProfileService.aidl

@@ -6,6 +6,7 @@ import com.github.kr328.clash.service.model.ProfileMetadata;
 
 interface IProfileService {
     long acquireUnused(String type);
+    long acquireCloned(long id);
     void updateMetadata(long id, in ProfileMetadata metadata);
     void commit(long id, in IStreamCallback callback);
     void cancel(long id);

service/src/main/java/com/github/kr328/clash/service/ProfileService.kt

@@ -78,6 +78,16 @@ class ProfileService : BaseService() {
                 }
             }
 
+            override fun acquireCloned(id: Long): Long {
+                return runBlocking {
+                    val clonedId = (ProfileDao.queryAllIds() + pending.keys).max()?.plus(1) ?: 0
+
+                    pending[clonedId] = queryMetadataById(id) ?: return@runBlocking -1
+
+                    clonedId
+                }
+            }
+
             override fun queryActive(): ProfileMetadata? {
                 return runBlocking {
                     ProfileDao.queryActive()?.toProfileMetadata(service)