1 files changed, 46 insertions, 10 deletions

diff --git a/src/main/java/eu/siacs/conversations/ui/EditMessage.java b/src/main/java/eu/siacs/conversations/ui/EditMessage.java
index 5090bbf5..a58cf2b8 100644
--- a/src/main/java/eu/siacs/conversations/ui/EditMessage.java
+++ b/src/main/java/eu/siacs/conversations/ui/EditMessage.java
@@ -1,10 +1,13 @@
 package eu.siacs.conversations.ui;
 
 import android.content.Context;
+import android.os.Handler;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.widget.EditText;
 
+import eu.siacs.conversations.Config;
+
 public class EditMessage extends EditText {
 
 	public EditMessage(Context context, AttributeSet attrs) {
@@ -15,28 +18,61 @@ public class EditMessage extends EditText {
 		super(context);
 	}
 
-	protected OnEnterPressed mOnEnterPressed;
+	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;
+
+	protected KeyboardListener keyboardListener;
 
 	@Override
 	public boolean onKeyDown(int keyCode, KeyEvent event) {
 		if (keyCode == KeyEvent.KEYCODE_ENTER) {
-			if (mOnEnterPressed != null) {
-				if (mOnEnterPressed.onEnterPressed()) {
-					return true;
-				} else {
-					return super.onKeyDown(keyCode, event);
-				}
+			if (keyboardListener != null && keyboardListener.onEnterPressed()) {
+				return true;
 			}
 		}
 		return super.onKeyDown(keyCode, event);
 	}
 
-	public void setOnEnterPressedListener(OnEnterPressed listener) {
-		this.mOnEnterPressed = listener;
+	@Override
+	public void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
+		super.onTextChanged(text,start,lengthBefore,lengthAfter);
+		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();
+			}
+		}
+	}
+
+	public void setKeyboardListener(KeyboardListener listener) {
+		this.keyboardListener = listener;
+		if (listener != null) {
+			this.isUserTyping = false;
+		}
 	}
 
-	public interface OnEnterPressed {
+	public interface KeyboardListener {
 		public boolean onEnterPressed();
+		public void onTypingStarted();
+		public void onTypingStopped();
+		public void onTextDeleted();
 	}
 
 }