1 files changed, 86 insertions, 0 deletions
diff --git a/src/github/daneren2005/dsub/view/AutoRepeatButton.java b/src/github/daneren2005/dsub/view/AutoRepeatButton.java
new file mode 100644
index 00000000..798c1649
--- /dev/null
+++ b/src/github/daneren2005/dsub/view/AutoRepeatButton.java
@@ -0,0 +1,86 @@
+package github.daneren2005.dsub.view;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.ImageButton;
+
+public class AutoRepeatButton extends ImageButton {
+
+	private long initialRepeatDelay = 1000;
+	private long repeatIntervalInMilliseconds = 300;
+	private boolean doClick = true;
+	private Runnable repeatEvent = null;
+
+	private Runnable repeatClickWhileButtonHeldRunnable = new Runnable() {
+		@Override
+		public void run() {
+			doClick = false;
+			//Perform the present repetition of the click action provided by the user
+			// in setOnClickListener().
+			if(repeatEvent != null)
+				repeatEvent.run();
+
+			//Schedule the next repetitions of the click action, using a faster repeat
+			// interval than the initial repeat delay interval.
+			postDelayed(repeatClickWhileButtonHeldRunnable, repeatIntervalInMilliseconds);
+		}
+	};
+
+	private void commonConstructorCode() {
+		this.setOnTouchListener(new OnTouchListener() {
+			@Override
+			public boolean onTouch(View v, MotionEvent event) {
+				int action = event.getAction(); 
+				if(action == MotionEvent.ACTION_DOWN) 
+				{
+					doClick = true;
+					//Just to be sure that we removed all callbacks, 
+					// which should have occurred in the ACTION_UP
+					removeCallbacks(repeatClickWhileButtonHeldRunnable);
+
+					//Schedule the start of repetitions after a one half second delay.
+					postDelayed(repeatClickWhileButtonHeldRunnable, initialRepeatDelay);
+					
+					setPressed(true);
+				}
+				else if(action == MotionEvent.ACTION_UP) {
+					//Cancel any repetition in progress.
+					removeCallbacks(repeatClickWhileButtonHeldRunnable);
+
+					if(doClick || repeatEvent == null) {
+						performClick();
+					}
+					
+					setPressed(false);
+				}
+
+				//Returning true here prevents performClick() from getting called 
+				// in the usual manner, which would be redundant, given that we are 
+				// already calling it above.
+				return true;
+			}
+		});
+	}
+	
+	public void setOnRepeatListener(Runnable runnable) {
+		repeatEvent = runnable;
+	}
+
+	public AutoRepeatButton(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		commonConstructorCode();
+	}
+
+
+	public AutoRepeatButton(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		commonConstructorCode();
+	}
+
+	public AutoRepeatButton(Context context) {
+		super(context);
+		commonConstructorCode();
+	}
+}