From ad25d1059c44ce2229c40dabf6b7136f89356952 Mon Sep 17 00:00:00 2001
From: Romedius Weiss <romedius.weiss@gmail.com>
Date: Fri, 4 Nov 2016 14:17:04 +0100
Subject: [PATCH] Fix for CB-11513

https://issues.apache.org/jira/browse/CB-11513
---
 src/ios/CDVSound.m | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/ios/CDVSound.m b/src/ios/CDVSound.m
index 97f5d6e5..278f8547 100644
--- a/src/ios/CDVSound.m
+++ b/src/ios/CDVSound.m
@@ -836,13 +836,31 @@ -(void)itemStalledPlaying:(NSNotification *) notification {
 
 - (void)onMemoryWarning
 {
-    [[self soundCache] removeAllObjects];
-    [self setSoundCache:nil];
+    /* https://issues.apache.org/jira/browse/CB-11513 */
+    NSMutableArray* keysToRemove = [[NSMutableArray alloc] init];
+    
+    for(id key in [self soundCache]) {
+        CDVAudioFile* audioFile = [[self soundCache] objectForKey:key];
+        if (audioFile != nil) {
+            if (audioFile.player != nil && ![audioFile.player isPlaying]) {
+                [keysToRemove addObject:key];
+            }
+            if (audioFile.recorder != nil && ![audioFile.recorder isRecording]) {
+                [keysToRemove addObject:key];
+            }
+        }
+    }
+    
+    [[self soundCache] removeObjectsForKeys:keysToRemove];
+    
+    // [[self soundCache] removeAllObjects];
+    // [self setSoundCache:nil];
     [self setAvSession:nil];
 
     [super onMemoryWarning];
 }
 
+
 - (void)dealloc
 {
     [[self soundCache] removeAllObjects];