Added method AudioThumbnailCache::removeThumb().

modules/juce_audio_utils/gui/juce_AudioThumbnailCache.cpp

@@ -140,6 +140,15 @@ void AudioThumbnailCache::clear()
     thumbs.clear();
 }
 
+void AudioThumbnailCache::removeThumb (const int64 hashCode)
+{
+    const ScopedLock sl (lock);
+
+    for (int i = thumbs.size(); --i >= 0;)
+        if (thumbs.getUnchecked(i)->hash == hashCode)
+            thumbs.remove (i);
+}
+
 static inline int getThumbnailCacheFileMagicHeader() noexcept
 {
     return (int) ByteOrder::littleEndianInt ("ThmC");

modules/juce_audio_utils/gui/juce_AudioThumbnailCache.h

@@ -72,6 +72,9 @@ public:
     */
     void storeThumb (const AudioThumbnailBase& thumb, int64 hashCode);
 
+    /** Tells the cache to forget about the thumb with the given hashcode. */
+    void removeThumb (int64 hashCode);
+
     //==============================================================================
     /** Attempts to re-load a saved cache of thumbnails from a stream.
         The cache data must have been written by the writeToStream() method.