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package de.pixart.messenger.ui;
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.widget.EditText;
import de.pixart.messenger.Config;
public class EditMessage extends EditText {
public EditMessage(Context context, AttributeSet attrs) {
super(context, attrs);
}
public EditMessage(Context context) {
super(context);
}
protected Handler mTypingHandler = new Handler();
protected Runnable mTypingTimeout = new Runnable() {
@Override
public void run() {
if (isUserTyping && keyboardListener != null) {
keyboardListener.onTypingStopped();
isUserTyping = false;
}
}
};
private boolean isUserTyping = false;
private boolean lastInputWasTab = false;
protected KeyboardListener keyboardListener;
@Override
public boolean onKeyDown(int keyCode, KeyEvent e) {
if (keyCode == KeyEvent.KEYCODE_ENTER && !e.isShiftPressed()) {
lastInputWasTab = false;
if (keyboardListener != null && keyboardListener.onEnterPressed()) {
return true;
}
} else if (keyCode == KeyEvent.KEYCODE_TAB && !e.isAltPressed() && !e.isCtrlPressed()) {
if (keyboardListener != null && keyboardListener.onTabPressed(this.lastInputWasTab)) {
lastInputWasTab = true;
return true;
}
} else {
lastInputWasTab = false;
}
return super.onKeyDown(keyCode, e);
}
@Override
public void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
super.onTextChanged(text,start,lengthBefore,lengthAfter);
lastInputWasTab = false;
if (this.mTypingHandler != null && this.keyboardListener != null) {
this.mTypingHandler.removeCallbacks(mTypingTimeout);
this.mTypingHandler.postDelayed(mTypingTimeout, Config.TYPING_TIMEOUT * 1000);
final int length = text.length();
if (!isUserTyping && length > 0) {
this.isUserTyping = true;
this.keyboardListener.onTypingStarted();
} else if (length == 0) {
this.isUserTyping = false;
this.keyboardListener.onTextDeleted();
}
this.keyboardListener.onTextChanged();
}
}
public void setKeyboardListener(KeyboardListener listener) {
this.keyboardListener = listener;
if (listener != null) {
this.isUserTyping = false;
}
}
public interface KeyboardListener {
boolean onEnterPressed();
void onTypingStarted();
void onTypingStopped();
void onTextDeleted();
void onTextChanged();
boolean onTabPressed(boolean repeated);
}
}
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