save message drafts across restarts

2 files changed, 16 insertions, 12 deletions

diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index 5744d67a7..833b1eb3b 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -58,6 +58,7 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
     public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
     private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
     public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
+    public static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
 
     private String draftMessage;
     private String name;
@@ -80,8 +81,6 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
     private transient String otrFingerprint = null;
     private Smp mSmp = new Smp();
 
-    private String nextMessage;
-
     private transient MucOptions mucOptions = null;
 
     private byte[] symmetricKey;
@@ -788,19 +787,18 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
     }
 
     public String getNextMessage() {
-        if (this.nextMessage == null) {
-            return "";
-        } else {
-            return this.nextMessage;
-        }
+        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
+        return nextMessage == null ? "" : nextMessage;
     }
 
     public boolean smpRequested() {
         return smp().status == Smp.STATUS_CONTACT_REQUESTED;
     }
 
-    public void setNextMessage(String message) {
-        this.nextMessage = message;
+    public boolean setNextMessage(String message) {
+        boolean changed = !getNextMessage().equals(message);
+        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
+        return changed;
     }
 
     public void setSymmetricKey(byte[] key) {
diff --git a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
index ff023997f..d1a007e3b 100644
--- a/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
+++ b/src/main/java/de/pixart/messenger/ui/ConversationFragment.java
@@ -909,7 +909,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         }
         if (this.conversation != null) {
             final String msg = mEditMessage.getText().toString();
-            this.conversation.setNextMessage(msg);
+            if (this.conversation.setNextMessage(msg)) {
+                activity.xmppConnectionService.updateConversation(this.conversation);
+            }
             updateChatState(this.conversation, msg);
         }
     }
@@ -930,7 +932,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
         setupIme();
         if (this.conversation != null) {
             final String msg = mEditMessage.getText().toString();
-            this.conversation.setNextMessage(msg);
+            if (this.conversation.setNextMessage(msg)) {
+                activity.xmppConnectionService.updateConversation(conversation);
+            }
             if (this.conversation != conversation) {
                 updateChatState(this.conversation, msg);
                 messageListAdapter.stopAudioPlayer();
@@ -1173,7 +1177,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
             mEditMessage.append(conversation.getDraftMessage());
             conversation.setDraftMessage(null);
         }
-        conversation.setNextMessage(mEditMessage.getText().toString());
+        if (conversation.setNextMessage(mEditMessage.getText().toString())) {
+            activity.xmppConnectionService.updateConversation(conversation);
+        }
         updateChatMsgHint();
         new Handler().post(new Runnable() {
             @Override