Merge master-origin

Conflicts:
	src/main/java/eu/siacs/conversations/ui/SettingsActivity.java
	src/main/java/eu/siacs/conversations/ui/XmppActivity.java
	src/main/java/eu/siacs/conversations/ui/adapter/ConversationAdapter.java
	src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
	src/main/java/eu/siacs/conversations/utils/UIHelper.java
	src/main/res/values-de/strings.xml

4 files changed, 164 insertions, 19 deletions

diff --git a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
index 7a36e2ba..fc21acbc 100644
--- a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java
@@ -2,12 +2,17 @@ package eu.siacs.conversations.utils;
 
 import java.security.SecureRandom;
 import java.text.Normalizer;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
 
-public class CryptoHelper {
+import eu.siacs.conversations.Config;
+
+public final class CryptoHelper {
 	public static final String FILETRANSFER = "?FILETRANSFERv1:";
-	final protected static char[] hexArray = "0123456789abcdef".toCharArray();
-	final protected static char[] vowels = "aeiou".toCharArray();
-	final protected static char[] consonants = "bcdfghjklmnpqrstvwxyz".toCharArray();
+	private final static char[] hexArray = "0123456789abcdef".toCharArray();
+	private final static char[] vowels = "aeiou".toCharArray();
+	private final static char[] consonants = "bcdfghjklmnpqrstvwxyz".toCharArray();
 	final public static byte[] ONE = new byte[] { 0, 0, 0, 1 };
 
 	public static String bytesToHex(byte[] bytes) {
@@ -45,7 +50,7 @@ public class CryptoHelper {
 		return randomWord(3, random) + "." + randomWord(7, random);
 	}
 
-	protected static String randomWord(int lenght, SecureRandom random) {
+	private static String randomWord(int lenght, SecureRandom random) {
 		StringBuilder builder = new StringBuilder(lenght);
 		for (int i = 0; i < lenght; ++i) {
 			if (i % 2 == 0) {
@@ -91,4 +96,11 @@ public class CryptoHelper {
 		builder.insert(35, " ");
 		return builder.toString();
 	}
+
+	public static String[] getSupportedCipherSuites(final String[] platformSupportedCipherSuites) {
+		//final Collection<String> cipherSuites = new LinkedHashSet<>(Arrays.asList(Config.ENABLED_CIPHERS));
+		//cipherSuites.retainAll(Arrays.asList(platformSupportedCipherSuites));
+		//return cipherSuites.toArray(new String[cipherSuites.size()]);
+		return platformSupportedCipherSuites;
+	}
 }
diff --git a/src/main/java/eu/siacs/conversations/utils/UIHelper.java b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
index b4f28c45..333f6e27 100644
--- a/src/main/java/eu/siacs/conversations/utils/UIHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/UIHelper.java
@@ -1,6 +1,7 @@
 package eu.siacs.conversations.utils;
 
 import java.util.ArrayList;
+import java.net.URLConnection;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.HashMap;
@@ -13,18 +14,25 @@ import java.util.regex.Matcher;
 
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.R;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Downloadable;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.xmpp.jid.Jid;
+
 import android.content.Context;
 import android.text.format.DateFormat;
 import android.text.format.DateUtils;
 import android.text.Spannable.Factory;
 import android.text.style.ImageSpan;
 import android.text.Spannable;
+import android.util.Pair;
 
 public class UIHelper {
 	private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
-			| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
+		| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 	private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
-			| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
+		| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
 
 	public static String readableTimeDifference(Context context, long time) {
 		return readableTimeDifference(context, time, false);
@@ -63,13 +71,21 @@ public class UIHelper {
 	}
 
 	private static boolean today(Date date) {
+		return sameDay(date,new Date(System.currentTimeMillis()));
+	}
+
+	public static boolean sameDay(long timestamp1, long timestamp2) {
+		return sameDay(new Date(timestamp1),new Date(timestamp2));
+	}
+
+	private static boolean sameDay(Date a, Date b) {
 		Calendar cal1 = Calendar.getInstance();
 		Calendar cal2 = Calendar.getInstance();
-		cal1.setTime(date);
-		cal2.setTimeInMillis(System.currentTimeMillis());
+		cal1.setTime(a);
+		cal2.setTime(b);
 		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
-				&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
-						.get(Calendar.DAY_OF_YEAR);
+			&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
+			.get(Calendar.DAY_OF_YEAR);
 	}
 
 	public static String lastseen(Context context, long time) {
@@ -232,8 +248,117 @@ public class UIHelper {
 			return 0xFF202020;
 		}
 		int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
-				0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
-				0xFF795548, 0xFF607d8b};
+			0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
+			0xFF795548, 0xFF607d8b};
 		return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
 	}
+
+	public static Pair<String,Boolean> getMessagePreview(final Context context, final Message message) {
+		final Downloadable d = message.getDownloadable();
+		if (d != null ) {
+			switch (d.getStatus()) {
+				case Downloadable.STATUS_CHECKING:
+					return new Pair<>(context.getString(R.string.checking_image),true);
+				case Downloadable.STATUS_DOWNLOADING:
+					return new Pair<>(context.getString(R.string.receiving_x_file,
+									getFileDescriptionString(context,message),
+									d.getProgress()),true);
+				case Downloadable.STATUS_OFFER:
+				case Downloadable.STATUS_OFFER_CHECK_FILESIZE:
+					return new Pair<>(context.getString(R.string.x_file_offered_for_download,
+									getFileDescriptionString(context,message)),true);
+				case Downloadable.STATUS_DELETED:
+					return new Pair<>(context.getString(R.string.file_deleted),true);
+				case Downloadable.STATUS_FAILED:
+					return new Pair<>(context.getString(R.string.file_transmission_failed),true);
+				case Downloadable.STATUS_UPLOADING:
+					if (message.getStatus() == Message.STATUS_OFFERED) {
+						return new Pair<>(context.getString(R.string.offering_x_file,
+								getFileDescriptionString(context, message)), true);
+					} else {
+						return new Pair<>(context.getString(R.string.sending_x_file,
+								getFileDescriptionString(context, message)), true);
+					}
+				default:
+					return new Pair<>("",false);
+			}
+		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
+			return new Pair<>(context.getString(R.string.encrypted_message_received),true);
+		} else if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
+			if (message.getStatus() == Message.STATUS_RECEIVED) {
+				return new Pair<>(context.getString(R.string.received_x_file,
+							getFileDescriptionString(context, message)), true);
+			} else {
+				return new Pair<>(getFileDescriptionString(context,message),true);
+			}
+		} else {
+			if (message.getBody().startsWith(Message.ME_COMMAND)) {
+				return new Pair<>(message.getBody().replaceAll("^" + Message.ME_COMMAND,
+						UIHelper.getMessageDisplayName(message) + " "), false);
+			} else {
+				return new Pair<>(message.getBody(), false);
+			}
+		}
+	}
+
+	public static String getFileDescriptionString(final Context context, final Message message) {
+		if (message.getType() == Message.TYPE_IMAGE) {
+			return context.getString(R.string.image);
+		}
+		final String path = message.getRelativeFilePath();
+		if (path == null) {
+			return "";
+		}
+		final String mime;
+		try {
+			mime = URLConnection.guessContentTypeFromName(path.replace("#",""));
+		} catch (final StringIndexOutOfBoundsException ignored) {
+			return context.getString(R.string.file);
+		}
+		if (mime == null) {
+			return context.getString(R.string.file);
+		} else if (mime.startsWith("audio/")) {
+			return context.getString(R.string.audio);
+		} else if(mime.startsWith("video/")) {
+			return context.getString(R.string.video);
+		} else if (mime.startsWith("image/")) {
+			return context.getString(R.string.image);
+		} else if (mime.contains("pdf")) {
+			return context.getString(R.string.pdf_document)	;
+		} else if (mime.contains("application/vnd.android.package-archive")) {
+			return context.getString(R.string.apk)	;
+		} else if (mime.contains("vcard")) {
+			return context.getString(R.string.vcard)	;
+		} else {
+			return mime;
+		}
+	}
+
+	public static String getMessageDisplayName(final Message message) {
+		if (message.getStatus() == Message.STATUS_RECEIVED) {
+			if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
+				return getDisplayedMucCounterpart(message.getCounterpart());
+			} else {
+				final Contact contact = message.getContact();
+				return contact != null ? contact.getDisplayName() : "";
+			}
+		} else {
+			if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
+				return getDisplayedMucCounterpart(message.getConversation().getJid());
+			} else {
+				final Jid jid = message.getConversation().getAccount().getJid();
+				return jid.hasLocalpart() ? jid.getLocalpart() : jid.toDomainJid().toString();
+			}
+		}
+	}
+
+	private static String getDisplayedMucCounterpart(final Jid counterpart) {
+		if (counterpart==null) {
+			return "";
+		} else if (!counterpart.isBareJid()) {
+			return counterpart.getResourcepart().trim();
+		} else {
+			return counterpart.toString().trim();
+		}
+	}
 }
diff --git a/src/main/java/eu/siacs/conversations/utils/Xmlns.java b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
index 67de7c79..17fd2d26 100644
--- a/src/main/java/eu/siacs/conversations/utils/Xmlns.java
+++ b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
@@ -4,4 +4,5 @@ public final class Xmlns {
 	public static final String BLOCKING = "urn:xmpp:blocking";
 	public static final String ROSTER = "jabber:iq:roster";
 	public static final String REGISTER = "jabber:iq:register";
+	public static final String BYTE_STREAMS = "http://jabber.org/protocol/bytestreams";
 }
diff --git a/src/main/java/eu/siacs/conversations/utils/XmppUri.java b/src/main/java/eu/siacs/conversations/utils/XmppUri.java
index aacb6362..0f1b18c3 100644
--- a/src/main/java/eu/siacs/conversations/utils/XmppUri.java
+++ b/src/main/java/eu/siacs/conversations/utils/XmppUri.java
@@ -18,7 +18,11 @@ public class XmppUri {
 		try {
 			parse(Uri.parse(uri));
 		} catch (IllegalArgumentException e) {
-			jid = null;
+			try {
+				jid = Jid.fromString(uri).toBareJid().toString();
+			} catch (InvalidJidException e2) {
+				jid = null;
+			}
 		}
 	}
 
@@ -42,6 +46,13 @@ public class XmppUri {
 			try {
 				jid = URLDecoder.decode(uri.getEncodedPath(), "UTF-8").split("/")[1];
 			} catch (final UnsupportedEncodingException ignored) {
+				jid = null;
+			}
+		} else {
+			try {
+				jid = Jid.fromString(uri.toString()).toBareJid().toString();
+			} catch (final InvalidJidException ignored) {
+				jid = null;
 			}
 		}
 	}
@@ -62,7 +73,7 @@ public class XmppUri {
 
 	public Jid getJid() {
 		try {
-			return Jid.fromString(this.jid);
+			return this.jid == null ? null :Jid.fromString(this.jid);
 		} catch (InvalidJidException e) {
 			return null;
 		}
@@ -71,8 +82,4 @@ public class XmppUri {
 	public String getFingerprint() {
 		return this.fingerprint;
 	}
-
-	public boolean isMuc() {
-		return this.muc;
-	}
 }