ConversationFragment.java

  1package de.gultsch.chat.ui;
  2
  3import java.util.ArrayList;
  4import java.util.List;
  5
  6import de.gultsch.chat.R;
  7import de.gultsch.chat.entities.Conversation;
  8import de.gultsch.chat.entities.Message;
  9import de.gultsch.chat.utils.Beautifier;
 10import android.app.Fragment;
 11import android.database.Cursor;
 12import android.graphics.Typeface;
 13import android.net.Uri;
 14import android.os.Bundle;
 15import android.provider.ContactsContract.Profile;
 16import android.util.Log;
 17import android.view.LayoutInflater;
 18import android.view.View;
 19import android.view.View.OnClickListener;
 20import android.view.ViewGroup;
 21import android.widget.ArrayAdapter;
 22import android.widget.EditText;
 23import android.widget.ListView;
 24import android.widget.ImageButton;
 25import android.widget.ImageView;
 26import android.widget.TextView;
 27
 28public class ConversationFragment extends Fragment {
 29	
 30	protected Conversation conversation;
 31	protected ListView messagesView;
 32	protected LayoutInflater inflater;
 33	protected List<Message> messageList = new ArrayList<Message>();
 34
 35	@Override
 36	public View onCreateView(final LayoutInflater inflater,
 37			ViewGroup container, Bundle savedInstanceState) {
 38
 39		this.inflater = inflater;
 40
 41
 42
 43		final View view = inflater.inflate(R.layout.fragment_conversation,
 44				container, false);
 45		((ImageButton) view.findViewById(R.id.textSendButton))
 46				.setOnClickListener(new OnClickListener() {
 47
 48					@Override
 49					public void onClick(View v) {
 50						ConversationActivity activity = (ConversationActivity) getActivity();
 51						EditText chatMsg = (EditText) view
 52								.findViewById(R.id.textinput);
 53						if (chatMsg.getText().length() < 1)
 54							return;
 55						Message message = new Message(conversation, chatMsg
 56								.getText().toString(), Message.ENCRYPTION_NONE);
 57						activity.xmppConnectionService.sendMessage(message);
 58						conversation.getMessages().add(message);
 59						chatMsg.setText("");
 60						
 61						messageList.add(message);
 62						
 63						activity.updateConversationList();
 64						
 65						messagesView.setSelection(messageList.size() - 1);
 66					}
 67				});
 68
 69		messagesView = (ListView) view.findViewById(R.id.messages_view);
 70		
 71		String[] mProjection = new String[] { Profile._ID,
 72				Profile.PHOTO_THUMBNAIL_URI };
 73		Cursor mProfileCursor = getActivity().getContentResolver().query(
 74				Profile.CONTENT_URI, mProjection, null, null, null);
 75
 76		mProfileCursor.moveToFirst();
 77		final Uri profilePicture = Uri.parse(mProfileCursor.getString(1));
 78		
 79		messagesView.setAdapter(new ArrayAdapter<Message>(this.getActivity()
 80				.getApplicationContext(), R.layout.message_sent, this.messageList) {
 81
 82			private static final int SENT = 0;
 83			private static final int RECIEVED = 1;
 84			
 85			@Override
 86			public int getViewTypeCount() {
 87				return 2;
 88			}
 89
 90			@Override
 91			public int getItemViewType(int position) {
 92				if (getItem(position).getStatus() == Message.STATUS_RECIEVED) {
 93					return RECIEVED;
 94				} else {
 95					return SENT;
 96				}
 97			}
 98
 99			@Override
100			public View getView(int position, View view, ViewGroup parent) {
101				Message item = getItem(position);
102				int type = getItemViewType(position);
103				if (view == null) {
104					switch (type) {
105					case SENT:
106						view = (View) inflater.inflate(R.layout.message_sent,
107								null);
108						Log.d("gultsch", "inflated new message_sent view");
109						break;
110					case RECIEVED:
111						view = (View) inflater.inflate(
112								R.layout.message_recieved, null);
113						Log.d("gultsch", "inflated new message_recieved view");
114						break;
115					}
116				} else {
117					Log.d("gultsch", "recylecd a view");
118				}
119				ImageView imageView = (ImageView) view.findViewById(R.id.message_photo);
120				if (type == RECIEVED) {
121					Uri uri = item.getConversation().getProfilePhotoUri();
122					if (uri!=null) {
123						imageView.setImageURI(uri);
124					} else {
125						imageView.setImageBitmap(Beautifier.getUnknownContactPicture(item.getConversation().getName(), 200));
126					}
127				} else {
128					imageView.setImageURI(profilePicture);
129				}
130				((TextView) view.findViewById(R.id.message_body)).setText(item
131						.getBody());
132				TextView time = (TextView) view.findViewById(R.id.message_time);
133				if (item.getStatus() == Message.STATUS_UNSEND) {
134					time.setTypeface(null, Typeface.ITALIC);
135				} else {
136					time.setText(Beautifier.readableTimeDifference(item
137							.getTimeSent()));
138				}
139				return view;
140			}
141		});
142
143		return view;
144	}
145
146	@Override
147	public void onStart() {
148		super.onStart();
149		
150		Log.d("gultsch","conversationfragment onStart");
151
152		final ConversationActivity activity = (ConversationActivity) getActivity();
153		
154		// TODO check if bond and get data back
155		
156		if (activity.xmppConnectionServiceBound) {
157			this.conversation = activity.getConversationList().get(activity.getSelectedConversation());
158			this.messageList.clear();
159			this.messageList.addAll(this.conversation.getMessages());
160			// rendering complete. now go tell activity to close pane
161			if (!activity.shouldPaneBeOpen()) {
162				activity.getSlidingPaneLayout().closePane();
163				activity.getActionBar().setDisplayHomeAsUpEnabled(true);
164				activity.getActionBar().setTitle(conversation.getName());
165				activity.invalidateOptionsMenu();
166			}
167			
168			int size = this.messageList.size();
169			if (size >= 1)
170				messagesView.setSelection(size - 1);
171		}
172	}
173	
174	public void onBackendConnected() {
175		final ConversationActivity activity = (ConversationActivity) getActivity();
176		this.conversation = activity.getConversationList().get(activity.getSelectedConversation());
177		this.messageList.clear();
178		this.messageList.addAll(this.conversation.getMessages());
179		// rendering complete. now go tell activity to close pane
180		if (!activity.shouldPaneBeOpen()) {
181			activity.getSlidingPaneLayout().closePane();
182			activity.getActionBar().setDisplayHomeAsUpEnabled(true);
183			activity.getActionBar().setTitle(conversation.getName());
184			activity.invalidateOptionsMenu();
185		}
186	}
187}