chat bubbles. yeah

7 files changed, 153 insertions, 20 deletions

diff --git a/src/de/gultsch/chat/entities/Conversation.java b/src/de/gultsch/chat/entities/Conversation.java
index 2dd8a0495..413e3d626 100644
--- a/src/de/gultsch/chat/entities/Conversation.java
+++ b/src/de/gultsch/chat/entities/Conversation.java
@@ -1,5 +1,6 @@
 package de.gultsch.chat.entities;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import android.content.ContentValues;
@@ -9,6 +10,9 @@ import android.net.Uri;
 public class Conversation extends AbstractEntity {
 
 	private static final long serialVersionUID = -6727528868973996739L;
+	
+	public static final String TABLENAME = "conversations";
+	
 	public static final int STATUS_AVAILABLE = 0;
 	public static final int STATUS_ARCHIVED = 1;
 	public static final int STATUS_DELETED = 2;
@@ -27,7 +31,7 @@ public class Conversation extends AbstractEntity {
 	private int status;
 	private long created;
 
-	private transient List<Message> messages;
+	private transient List<Message> messages = null;
 
 	public Conversation(String name, Uri profilePhoto, Account account,
 			String contactJid) {
@@ -48,6 +52,7 @@ public class Conversation extends AbstractEntity {
 	}
 
 	public List<Message> getMessages() {
+		if (messages == null) this.messages = new ArrayList<Message>(); //prevent null pointer
 		return messages;
 	}
 
@@ -81,6 +86,10 @@ public class Conversation extends AbstractEntity {
 	public int getStatus() {
 		return this.status;
 	}
+	
+	public long getCreated() {
+		return this.created;
+	}
 
 	public ContentValues getContentValues() {
 		ContentValues values = new ContentValues();
diff --git a/src/de/gultsch/chat/entities/Message.java b/src/de/gultsch/chat/entities/Message.java
index 5e5cfbe40..26e646ff4 100644
--- a/src/de/gultsch/chat/entities/Message.java
+++ b/src/de/gultsch/chat/entities/Message.java
@@ -6,6 +6,8 @@ import android.database.Cursor;
 public class Message extends AbstractEntity {
 
 	private static final long serialVersionUID = 7222081895167103025L;
+	
+	public static final String TABLENAME = "messages";
 
 	public static final int STATUS_RECIEVED = 0;
 	public static final int STATUS_UNSEND = 1;
diff --git a/src/de/gultsch/chat/persistance/DatabaseBackend.java b/src/de/gultsch/chat/persistance/DatabaseBackend.java
index dac83f586..06b9af16f 100644
--- a/src/de/gultsch/chat/persistance/DatabaseBackend.java
+++ b/src/de/gultsch/chat/persistance/DatabaseBackend.java
@@ -4,15 +4,16 @@ import java.util.ArrayList;
 import java.util.List;
 
 import de.gultsch.chat.entities.Conversation;
+import de.gultsch.chat.entities.Message;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 
 public class DatabaseBackend extends SQLiteOpenHelper {
-	
+
 	private static DatabaseBackend instance = null;
-	
+
 	private static final String DATABASE_NAME = "history";
 	private static final int DATABASE_VERSION = 1;
 
@@ -22,7 +23,13 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 
 	@Override
 	public void onCreate(SQLiteDatabase db) {
-		db.execSQL("create table conversations (uuid TEXT, name TEXT, profilePhotoUri TEXT, accountUuid TEXT, contactJid TEXT, created NUMBER, status NUMBER)");
+		db.execSQL("create table " + Conversation.TABLENAME + " ("
+				+ Conversation.UUID + " TEXT, " + Conversation.NAME + " TEXT, "
+				+ Conversation.PHOTO_URI + " TEXT, " + Conversation.ACCOUNT
+				+ " TEXT, " + Conversation.CONTACT + " TEXT, "
+				+ Conversation.CREATED + " NUMBER, " + Conversation.STATUS
+				+ " NUMBER)");
+		db.execSQL("create table "+Message.TABLENAME+ "()");
 	}
 
 	@Override
@@ -30,23 +37,23 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 		// TODO Auto-generated method stub
 
 	}
-	
+
 	public static synchronized DatabaseBackend getInstance(Context context) {
 		if (instance == null) {
 			instance = new DatabaseBackend(context);
 		}
 		return instance;
 	}
-	
+
 	public void addConversation(Conversation conversation) {
 		SQLiteDatabase db = this.getWritableDatabase();
 		db.insert("conversations", null, conversation.getContentValues());
 	}
-	
-	
+
 	public int getConversationCount() {
 		SQLiteDatabase db = this.getReadableDatabase();
-		Cursor cursor = db.rawQuery("select count(uuid) as count from conversations",null);
+		Cursor cursor = db.rawQuery(
+				"select count(uuid) as count from conversations", null);
 		cursor.moveToFirst();
 		return cursor.getInt(0);
 	}
@@ -54,9 +61,12 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 	public List<Conversation> getConversations(int status) {
 		List<Conversation> list = new ArrayList<Conversation>();
 		SQLiteDatabase db = this.getReadableDatabase();
-		String[] selectionArgs = {""+status};
-		Cursor cursor = db.rawQuery("select * from conversations where status = ? order by created desc", selectionArgs);
-		while(cursor.moveToNext()) {
+		String[] selectionArgs = { "" + status };
+		Cursor cursor = db
+				.rawQuery(
+						"select * from conversations where status = ? order by created desc",
+						selectionArgs);
+		while (cursor.moveToNext()) {
 			list.add(Conversation.fromCursor(cursor));
 		}
 		return list;
diff --git a/src/de/gultsch/chat/ui/ConversationActivity.java b/src/de/gultsch/chat/ui/ConversationActivity.java
index 97b937c35..4f76e9c12 100644
--- a/src/de/gultsch/chat/ui/ConversationActivity.java
+++ b/src/de/gultsch/chat/ui/ConversationActivity.java
@@ -9,6 +9,7 @@ import de.gultsch.chat.entities.Account;
 import de.gultsch.chat.entities.Contact;
 import de.gultsch.chat.entities.Conversation;
 import de.gultsch.chat.persistance.DatabaseBackend;
+import de.gultsch.chat.utils.Beautifier;
 import android.os.Bundle;
 import android.app.FragmentTransaction;
 import android.content.Context;
@@ -60,6 +61,8 @@ public class ConversationActivity extends XmppActivity {
 				}
 				((TextView) view.findViewById(R.id.conversation_name))
 						.setText(getItem(position).getName());
+				((TextView) view.findViewById(R.id.conversation_lastupdate))
+				.setText(Beautifier.readableTimeDifference(getItem(position).getCreated()));
 				((ImageView) view.findViewById(R.id.conversation_image))
 						.setImageURI(getItem(position).getProfilePhotoUri());
 				return view;
diff --git a/src/de/gultsch/chat/ui/ConversationFragment.java b/src/de/gultsch/chat/ui/ConversationFragment.java
index 70ceb07c8..fca5202a7 100644
--- a/src/de/gultsch/chat/ui/ConversationFragment.java
+++ b/src/de/gultsch/chat/ui/ConversationFragment.java
@@ -2,24 +2,108 @@ package de.gultsch.chat.ui;
 
 import de.gultsch.chat.R;
 import de.gultsch.chat.entities.Conversation;
+import de.gultsch.chat.entities.Message;
+import de.gultsch.chat.utils.Beautifier;
 import android.app.Fragment;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Typeface;
+import android.net.Uri;
 import android.os.Bundle;
+import android.provider.ContactsContract.Profile;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.view.View.OnClickListener;
 import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
 
 public class ConversationFragment extends Fragment {
-	
+
 	Conversation conversation;
-	
+
 	public void setConversation(Conversation conv) {
 		this.conversation = conv;
 	}
-	
+
 	@Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.fragment_conversation, container, false);
-    }
+	public View onCreateView(final LayoutInflater inflater, ViewGroup container,
+			Bundle savedInstanceState) {
+		
+		String[] mProjection = new String[]
+			    {
+			        Profile._ID,
+			        Profile.PHOTO_THUMBNAIL_URI
+			    };
+			Cursor mProfileCursor = getActivity().getContentResolver().query(
+			        Profile.CONTENT_URI,
+			        mProjection ,
+			        null,
+			        null,
+			        null);
+			
+		mProfileCursor.moveToFirst();
+		final Uri profilePicture = Uri.parse(mProfileCursor.getString(1));
+		
+		Log.d("gultsch","found user profile pic "+profilePicture.toString());
+		
+		final View view = inflater.inflate(R.layout.fragment_conversation, container,
+				false);
+		((ImageButton) view.findViewById(R.id.textSendButton))
+				.setOnClickListener(new OnClickListener() {
+
+					@Override
+					public void onClick(View v) {
+						EditText chatMsg = (EditText) view.findViewById(R.id.textinput);
+						if (chatMsg.getText().length() < 1) return;
+						Message message = new Message(conversation,chatMsg.getText().toString(),
+								Message.ENCRYPTION_NONE);
+						XmppActivity activity = (XmppActivity) getActivity();
+						activity.xmppConnectionService.sendMessage(message);
+						conversation.getMessages().add(message);
+						chatMsg.setText("");
+						
+						ListView messagesView = (ListView) view.findViewById(R.id.messages_view);
+						ArrayAdapter<Message> adapter = (ArrayAdapter<Message>) messagesView.getAdapter();
+						adapter.notifyDataSetChanged();
+						
+						messagesView.setSelection(conversation.getMessages().size() -1);
+					}
+				});
+
+		ListView messagesView = (ListView) view
+				.findViewById(R.id.messages_view);
+		messagesView.setAdapter(new ArrayAdapter<Message>(this.getActivity()
+				.getApplicationContext(), R.layout.message_sent,
+				this.conversation.getMessages()) {
+
+			@Override
+			public View getView(int position, View view, ViewGroup parent) {
+				Message item = getItem(position);
+				if ((item.getStatus() != Message.STATUS_RECIEVED)
+						|| (item.getStatus() == Message.STATUS_SEND)) {
+					view = (View) inflater.inflate(R.layout.message_sent, null);
+					((ImageView) view.findViewById(R.id.message_photo)).setImageURI(profilePicture);
+				}
+				((TextView) view.findViewById(R.id.message_body)).setText(item.getBody());
+				TextView time = (TextView) view.findViewById(R.id.message_time);
+				if (item.getStatus() == Message.STATUS_UNSEND) {
+					time.setTypeface(null, Typeface.ITALIC);
+				} else {
+					time.setText(Beautifier.readableTimeDifference(item.getTimeSent()));
+				}
+				return view;
+			}
+		});
+
+		return view;
+	}
 
 	public Conversation getConversation() {
 		return conversation;
diff --git a/src/de/gultsch/chat/ui/XmppActivity.java b/src/de/gultsch/chat/ui/XmppActivity.java
index 991730413..c15482ac4 100644
--- a/src/de/gultsch/chat/ui/XmppActivity.java
+++ b/src/de/gultsch/chat/ui/XmppActivity.java
@@ -10,8 +10,8 @@ import android.content.ServiceConnection;
 import android.os.IBinder;
 
 public abstract class XmppActivity extends Activity {
-	protected XmppConnectionService xmppConnectionService;
-	protected boolean xmppConnectionServiceBound = false;
+	public XmppConnectionService xmppConnectionService;
+	public boolean xmppConnectionServiceBound = false;
 	protected boolean handledViewIntent = false;
 	protected ServiceConnection mConnection = new ServiceConnection() {
 
diff --git a/src/de/gultsch/chat/utils/Beautifier.java b/src/de/gultsch/chat/utils/Beautifier.java
new file mode 100644
index 000000000..43b7acc2c
--- /dev/null
+++ b/src/de/gultsch/chat/utils/Beautifier.java
@@ -0,0 +1,25 @@
+package de.gultsch.chat.utils;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class Beautifier {
+	public static String readableTimeDifference(long time) {
+		if (time==0) {
+			return "just now";
+		}
+		Date date = new Date(time);
+		long difference = (System.currentTimeMillis() - time) / 1000;
+		if (difference<60) {
+			return "just now";
+		} else if (difference<60*10) {
+			return difference / 60 + " min ago";
+		} else if (difference<60*60*24) {
+			SimpleDateFormat sdf = new SimpleDateFormat("HH:mm");
+			return sdf.format(date);
+		} else {
+			SimpleDateFormat sdf = new SimpleDateFormat("M/D");
+			return sdf.format(date);
+		}
+	}
+}