let the user decide on whether or not to compress pictures

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -414,8 +414,10 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	}
 
 	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
-		if (getFileBackend().useImageAsIs(uri)) {
+		final String compressPictures = getCompressPicturesPreference();
-			Log.d(Config.LOGTAG, "using image as is");
+		if ("never".equals(compressPictures)
+				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
+			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 			attachFileToConversation(conversation, uri, callback);
 			return;
 		}
@@ -590,6 +592,10 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		return getPreferences().getBoolean("away_when_screen_off", false);
 	}
 
+	private String getCompressPicturesPreference() {
+		return getPreferences().getString("picture_compression", "auto");
+	}
+
 	private int getTargetPresence() {
 		if (xaOnSilentMode() && isPhoneSilenced()) {
 			return Presences.XA;

src/main/res/values/arrays.xml

@@ -57,4 +57,16 @@
 		<item>voice</item>
 		<item>location</item>
 	</string-array>
+
+	<string-array name="picture_compression_values">
+		<item>never</item>
+		<item>auto</item>
+		<item>always</item>
+	</string-array>
+
+	<string-array name="picture_compression_entries">
+		<item>@string/never</item>
+		<item>@string/automatically</item>
+		<item>@string/always</item>
+	</string-array>
 </resources>

src/main/res/values/strings.xml

@@ -287,7 +287,7 @@
 	<string name="pref_about_conversations_summary">Build and licensing information</string>
 	<string name="pref_about_message" translatable="false">
 			Conversations • the very last word in instant messaging.
-			\n\nCopyright © 2014-2015 Daniel Gultsch
+			\n\nCopyright © 2014-2016 Daniel Gultsch
 			\n\nThis program is free software: you can redistribute it and/or modify
 			it under the terms of the GNU General Public License as published by
 			the Free Software Foundation, either version 3 of the License, or
@@ -571,4 +571,8 @@
 	<string name="notify_only_when_highlighted">Notify only when highlighted</string>
 	<string name="notify_never">Notifications disabled</string>
 	<string name="notify_paused">Notifications paused</string>
+	<string name="pref_picture_compression">Compress Pictures</string>
+	<string name="pref_picture_compression_summary">Resize and compressed pictures</string>
+	<string name="always">Always</string>
+	<string name="automatically">Automatically</string>
 </resources>

src/main/res/xml/preferences.xml

@@ -22,7 +22,13 @@
             android:key="auto_accept_file_size"
             android:summary="@string/pref_accept_files_summary"
             android:title="@string/pref_accept_files"/>
-
+        <ListPreference
+            android:defaultValue="auto"
+            android:entries="@array/picture_compression_entries"
+            android:entryValues="@array/picture_compression_values"
+            android:key="picture_compression"
+            android:summary="@string/pref_picture_compression_summary"
+            android:title="@string/pref_picture_compression"/>
         <CheckBoxPreference
             android:defaultValue="true"
             android:key="confirm_messages"
@@ -92,8 +98,8 @@
         <CheckBoxPreference
             android:defaultValue="false"
             android:key="use_white_background"
-            android:title="@string/pref_use_white_background"
+            android:summary="@string/pref_use_white_background_summary"
-            android:summary="@string/pref_use_white_background_summary"/>
+            android:title="@string/pref_use_white_background"/>
         <CheckBoxPreference
             android:defaultValue="false"
             android:key="use_larger_font"
@@ -142,13 +148,13 @@
                     android:title="@string/pref_remove_trusted_certificates_title"/>
             </PreferenceCategory>
             <PreferenceCategory
-                android:title="@string/pref_connection_options"
+                android:key="connection_options"
-                android:key="connection_options">
+                android:title="@string/pref_connection_options">
                 <CheckBoxPreference
                     android:defaultValue="false"
                     android:key="use_tor"
-                    android:title="@string/pref_use_tor"
+                    android:summary="@string/pref_use_tor_summary"
-                    android:summary="@string/pref_use_tor_summary"/>
+                    android:title="@string/pref_use_tor"/>
             </PreferenceCategory>
             <PreferenceCategory android:title="@string/pref_input_options">
                 <CheckBoxPreference
@@ -186,9 +192,9 @@
                     android:summary="@string/pref_keep_foreground_service_summary"
                     android:title="@string/pref_keep_foreground_service"/>
                 <eu.siacs.conversations.ui.ExportLogsPreference
-                        android:key="export_logs"
+                    android:key="export_logs"
-                        android:title="@string/pref_export_logs"
+                    android:summary="@string/pref_export_logs_summary"
-                        android:summary="@string/pref_export_logs_summary"/>
+                    android:title="@string/pref_export_logs"/>
             </PreferenceCategory>
         </PreferenceScreen>