1 files changed, 90 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/EditMessage.java b/src/main/java/eu/siacs/conversations/ui/EditMessage.java
new file mode 100644
index 00000000..06868a98
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/EditMessage.java
@@ -0,0 +1,90 @@
+package eu.siacs.conversations.ui;
+
+import android.content.Context;
+import android.os.Handler;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+
+import eu.siacs.conversations.Config;
+import github.ankushsachdeva.emojicon.EmojiconEditText;
+
+public class EditMessage extends EmojiconEditText {
+
+	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();
+			}
+		}
+	}
+
+	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();
+		boolean onTabPressed(boolean repeated);
+	}
+
+}