com.nsqre.insquare.Message

Class MessageAdapter

java.lang.Object

android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

com.nsqre.insquare.Message.MessageAdapter

public class MessageAdapter
extends android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

The adapter for the message list that the user views in the ChatActivity

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MessageAdapter.ChatMessageClickListener
static class	MessageAdapter.MessageHolder Contains relevant data on how to draw messages on the screen

Field Summary

Fields

Modifier and Type	Field and Description
private Context	context
private java.util.ArrayList<Message>	mDataset
private static MessageAdapter.ChatMessageClickListener	myClickListener
private static java.lang.String	TAG
private com.leocardz.link.preview.library.TextCrawler	textCrawler
private java.util.LinkedList<java.lang.Integer>	urlPositionsQueue

Constructor Summary

Constructors

Constructor and Description
MessageAdapter(Context c)

Method Summary

Modifier and Type	Method and Description
void	addItem(Message msg) Adds an item to the dataset
private void	checkUrl(Message message, int position) Method that creates a link preview based on the given url
void	clear()
boolean	contains(Message msg)
int	dpToPx(int dp) Calculates the number of pixels given a number of dp
int	getItemCount()
int	getItemViewType(int position) Returns the view type of the message in a certain position 0 for text message from someone else, 1 for text message from me 2 for photo from someone else, 3 for photo from me 4 for outgoing photo, 5 for outgoing text message
Message	getMessage(int position)
Message	getMessage(Message message)
private boolean	isOutgoing(Message m) Checks if the app is still trying to send that message
void	onBindViewHolder(MessageAdapter.MessageHolder holder, int position) Draws on the screen the correct layout for the file
MessageAdapter.MessageHolder	onCreateViewHolder(ViewGroup parent, int viewType) Inflates the right layout for the kind of message it has to show.
void	removeItem(int position)
void	setOnClickListener(MessageAdapter.ChatMessageClickListener clickListener)

Methods inherited from class android.support.v7.widget.RecyclerView.Adapter

bindViewHolder, createViewHolder, getItemId, hasObservers, hasStableIds, notifyDataSetChanged, notifyItemChanged, notifyItemChanged, notifyItemInserted, notifyItemMoved, notifyItemRangeChanged, notifyItemRangeChanged, notifyItemRangeInserted, notifyItemRangeRemoved, notifyItemRemoved, onAttachedToRecyclerView, onBindViewHolder, onDetachedFromRecyclerView, onFailedToRecycleView, onViewAttachedToWindow, onViewDetachedFromWindow, onViewRecycled, registerAdapterDataObserver, setHasStableIds, unregisterAdapterDataObserver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TAG

private static final java.lang.String TAG

See Also:

Constant Field Values

mDataset

private java.util.ArrayList<Message> mDataset

myClickListener

private static MessageAdapter.ChatMessageClickListener myClickListener

context

private Context context

textCrawler

private com.leocardz.link.preview.library.TextCrawler textCrawler

urlPositionsQueue

private java.util.LinkedList<java.lang.Integer> urlPositionsQueue

Constructor Detail

MessageAdapter

public MessageAdapter(Context c)

Method Detail

getItemViewType

public int getItemViewType(int position)

Returns the view type of the message in a certain position 0 for text message from someone else, 1 for text message from me 2 for photo from someone else, 3 for photo from me 4 for outgoing photo, 5 for outgoing text message

Overrides:

getItemViewType in class android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

Parameters:

position - the position on the view of the message

Returns:

the type of the message

onCreateViewHolder

public MessageAdapter.MessageHolder onCreateViewHolder(ViewGroup parent,
                                                       int viewType)

Inflates the right layout for the kind of message it has to show. Calls getItemViewType to know it

Specified by:

onCreateViewHolder in class android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

Returns:

a message holder

See Also:

getItemViewType(int)

onBindViewHolder

public void onBindViewHolder(MessageAdapter.MessageHolder holder,
                             int position)

Draws on the screen the correct layout for the file

Specified by:

onBindViewHolder in class android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

Parameters:

holder - the message to show

position - position of the message on the list

dpToPx

public int dpToPx(int dp)

Calculates the number of pixels given a number of dp

Parameters:

dp - the dp to convert

Returns:

the conversion of dp into pixels

checkUrl

private void checkUrl(Message message,
                      int position)

Method that creates a link preview based on the given url

Parameters:

message - that contains the url

position - of the item in the adapter

addItem

public void addItem(Message msg)

Adds an item to the dataset

Parameters:

msg - the message to add

See Also:

checkUrl(Message, int)

getMessage

public Message getMessage(int position)

getMessage

public Message getMessage(Message message)

removeItem

public void removeItem(int position)

clear

public void clear()

contains

public boolean contains(Message msg)

getItemCount

public int getItemCount()

Specified by:

getItemCount in class android.support.v7.widget.RecyclerView.Adapter<MessageAdapter.MessageHolder>

setOnClickListener

public void setOnClickListener(MessageAdapter.ChatMessageClickListener clickListener)

isOutgoing

private boolean isOutgoing(Message m)

Checks if the app is still trying to send that message

Parameters:

m - the message to check

Returns:

true if the message is still not sent