From 6bb9db368638dbd129ac49db15c8308deaf1a5a7 Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian.schneppe@pix-art.de>
Date: Fri, 31 Jan 2020 07:09:03 +0100
Subject: evict cached previews when file gets deleted

---
 .../java/de/pixart/messenger/services/XmppConnectionService.java | 9 +++++++++
 src/main/java/de/pixart/messenger/ui/ConversationFragment.java   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
index bd981774c..8f9c2ce98 100644
--- a/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
+++ b/src/main/java/de/pixart/messenger/services/XmppConnectionService.java
@@ -2109,6 +2109,9 @@ public class XmppConnectionService extends Service {
         for (Conversation conversation : getConversations()) {
             deleted |= conversation.markAsDeleted(uuids);
         }
+        for (final String uuid : uuids) {
+            evictPreview(uuid);
+        }
         if (deleted) {
             updateConversationUi();
         }
@@ -5052,6 +5055,12 @@ public class XmppConnectionService extends Service {
         sendIqPacket(account, set, null);
     }
 
+    public void evictPreview(String uuid) {
+        if (mBitmapCache.remove(uuid) != null) {
+            Log.d(Config.LOGTAG, "deleted cached preview");
+        }
+    }
+
     public interface OnMamPreferencesFetched {
         void onPreferencesFetched(Element prefs);
 
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index 997f67d29..a3edfb9fe 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -1926,6 +1926,7 @@ public class ConversationFragment extends XmppFragment implements EditMessage.Ke
         builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
             if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
                 message.setFileDeleted(true);
+                activity.xmppConnectionService.evictPreview(message.getUuid());
                 activity.xmppConnectionService.updateMessage(message, false);
                 activity.onConversationsListItemUpdated();
                 refresh();
-- 
cgit v1.2.3