nicer descriptions in notificaton for images and encrypted messages

res/values/strings.xml

@@ -53,7 +53,7 @@
     <string name="send_failed">unsuccessful delivery</string>
     <string name="send_rejected">rejected</string>
     <string name="receiving_image">Receiving image file. Please wait&#8230;</string>
-    <string name="preparing_image">Preparing image for transmission. Please wait&#8230;</string>
+    <string name="preparing_image">Preparing image for transmission</string>
     <string name="action_clear_history">Clear history</string>
     <string name="clear_conversation_history">Clear Conversation History</string>
     <string name="clear_histor_msg">Do you want to delete all messages within this Conversation?\n\n<b>Warning:</b> This will not influence messages stored on other devices or servers.</string>
@@ -86,4 +86,7 @@
     <string name="offering">offering&#8230;</string>
     <string name="no_pgp_key">No openPGP Key found</string>
     <string name="contact_has_no_pgp_key">Conversations is unable to encrypt your messages because your contact is not announcing his or hers public key.\n\n<small>Please ask your contact to setup openPGP.</small></string>
+    <string name="encrypted_message_received"><i>Encrypted message received. Touch to view and decrypt.</i></string>
+    <string name="encrypted_image_received"><i>Encrypted image received. Touch to view and decrypt.</i></string>
+    <string name="image_file"><i>Image received. Touch to view</i></string>
 </resources>

src/eu/siacs/conversations/entities/Message.java

@@ -1,7 +1,9 @@
 package eu.siacs.conversations.entities;
 
+import eu.siacs.conversations.R;
 import eu.siacs.conversations.xmpp.jingle.JingleConnection;
 import android.content.ContentValues;
+import android.content.Context;
 import android.database.Cursor;
 
 public class Message extends AbstractEntity {
@@ -103,6 +105,20 @@ public class Message extends AbstractEntity {
 	public String getBody() {
 		return body;
 	}
+	
+	public String getReadableBody(Context context) {
+		if ((encryption == ENCRYPTION_PGP)&&(type == TYPE_TEXT)) {
+			return ""+context.getText(R.string.encrypted_message_received);
+		} else if ((encryption == ENCRYPTION_OTR)&&(type == TYPE_IMAGE)) {
+			return ""+context.getText(R.string.encrypted_image_received);
+		} else if (encryption == ENCRYPTION_DECRYPTION_FAILED) {
+			return ""+context.getText(R.string.decryption_failed);
+		} else if (type == TYPE_IMAGE) {
+			return ""+context.getText(R.string.image_file);
+		} else {
+			return body.trim();
+		}
+	}
 
 	public long getTimeSent() {
 		return timeSent;

src/eu/siacs/conversations/ui/ConversationActivity.java

@@ -55,6 +55,7 @@ import android.widget.PopupMenu;
 import android.widget.PopupMenu.OnMenuItemClickListener;
 import android.widget.TextView;
 import android.widget.ImageView;
+import android.widget.Toast;
 
 public class ConversationActivity extends XmppActivity {
 
@@ -112,6 +113,7 @@ public class ConversationActivity extends XmppActivity {
 	
 	protected ConversationActivity activity = this;
 	private DisplayMetrics metrics;
+	private Toast prepareImageToast;
 
 	public List<Conversation> getConversationList() {
 		return this.conversationList;
@@ -178,7 +180,11 @@ public class ConversationActivity extends XmppActivity {
 				Message latestMessage = conv.getLatestMessage();
 				
 				if (latestMessage.getType() == Message.TYPE_TEXT) {
-					convLastMsg.setText(conv.getLatestMessage().getBody());
+					if ((latestMessage.getEncryption() != Message.ENCRYPTION_PGP)&&(latestMessage.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED)) {
+						convLastMsg.setText(conv.getLatestMessage().getBody());
+					} else {
+						convLastMsg.setText(getText(R.string.encrypted_message_received));
+					}
 					convLastMsg.setVisibility(View.VISIBLE);
 					imagePreview.setVisibility(View.GONE);
 				} else if (latestMessage.getType() == Message.TYPE_IMAGE) {
@@ -639,11 +645,14 @@ public class ConversationActivity extends XmppActivity {
 					selectedFragment.hidePgpPassphraseBox();
 				}
 			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
+				prepareImageToast = Toast.makeText(getApplicationContext(), getText(R.string.preparing_image), Toast.LENGTH_LONG);
 				final Conversation conversation = getSelectedConversation();
 				String presence = conversation.getNextPresence();
 				if (conversation.getNextEncryption() == Message.ENCRYPTION_NONE) {
+					prepareImageToast.show();
 					xmppConnectionService.attachImageToConversation(conversation, presence, data.getData());
 				} else if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
+					prepareImageToast.show();
 					attachPgpFile(conversation,data.getData());
 				} else {
 					Log.d(LOGTAG,"unknown next message encryption: "+conversation.getNextEncryption());

src/eu/siacs/conversations/ui/ConversationFragment.java

@@ -492,7 +492,9 @@ public class ConversationFragment extends Fragment {
 	@Override
 	public void onStop() {
 		super.onStop();
-		this.conversation.setNextMessage(chatMsg.getText().toString());
+		if (this.conversation!=null) {
+			this.conversation.setNextMessage(chatMsg.getText().toString());
+		}
 	}
 
 	public void onBackendConnected() {

src/eu/siacs/conversations/utils/UIHelper.java

@@ -389,7 +389,7 @@ public class UIHelper {
 							context, true));
 			mBuilder.setContentTitle(conversation.getName(useSubject));
 			if (notify) {
-				mBuilder.setTicker(conversation.getLatestMessage().getBody().trim());
+				mBuilder.setTicker(conversation.getLatestMessage().getReadableBody(context));
 			}
 			StringBuilder bigText = new StringBuilder();
 			List<Message> messages = conversation.getMessages();
@@ -397,10 +397,10 @@ public class UIHelper {
 			for (int i = messages.size() - 1; i >= 0; --i) {
 				if (!messages.get(i).isRead()) {
 					if (i == messages.size() - 1) {
-						firstLine = messages.get(i).getBody().trim();
+						firstLine = messages.get(i).getReadableBody(context);
 						bigText.append(firstLine);
 					} else {
-						firstLine = messages.get(i).getBody().trim();
+						firstLine = messages.get(i).getReadableBody(context);
 						bigText.insert(0, firstLine + "\n");
 					}
 				} else {
@@ -422,7 +422,7 @@ public class UIHelper {
 					names.append(unread.get(i).getName(useSubject));
 				}
 				style.addLine(Html.fromHtml("<b>" + unread.get(i).getName(useSubject)
-						+ "</b> " + unread.get(i).getLatestMessage().getBody().trim()));
+						+ "</b> " + unread.get(i).getLatestMessage().getReadableBody(context)));
 			}
 			mBuilder.setContentTitle(unread.size() + " unread Conversations");
 			mBuilder.setContentText(names.toString());