Resurrect refresh icon / circle progress bar

[~andy/freeotp] / src / org / fedorahosted / freeotp / CircleProgressBar.java

diff --git a/src/org/fedorahosted/freeotp/CircleProgressBar.java b/src/org/fedorahosted/freeotp/CircleProgressBar.java
new file mode 100644 (file)
index 0000000..b1c26cc
--- /dev/null
+++ b/src/org/fedorahosted/freeotp/CircleProgressBar.java
@@ -0,0 +1,85 @@
+/*
+ * FreeOTP
+ *
+ * Authors: Nathaniel McCallum <npmccallum@redhat.com>
+ *
+ * Copyright (C) 2013  Nathaniel McCallum, Red Hat
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.fedorahosted.freeotp;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Paint.Style;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+import android.widget.ProgressBar;
+
+public class CircleProgressBar extends ProgressBar {
+       private Paint paint;
+       private RectF rectf;
+       private Rect rect;
+
+       public CircleProgressBar(Context context, AttributeSet attrs, int defStyle) {
+               super(context, attrs, defStyle);
+               setup();
+       }
+
+       public CircleProgressBar(Context context, AttributeSet attrs) {
+               super(context, attrs);
+               setup();
+       }
+
+       public CircleProgressBar(Context context) {
+               super(context);
+               setup();
+       }
+
+       private void setup() {
+               paint = new Paint();
+        rectf = new RectF();
+        rect = new Rect();
+
+        paint.setARGB(0x99, 0x33, 0x33, 0x33);
+        paint.setAntiAlias(true);
+        paint.setStyle(Style.FILL_AND_STROKE);
+       }
+
+       @Override
+       public synchronized void setProgress(int progress) {
+               super.setProgress(progress);
+               if (paint != null) {
+                       int percent = progress * 100 / getMax();
+                       if (percent > 25 || progress == 0)
+                               paint.setARGB(0x99, 0x33, 0x33, 0x33);
+                       else
+                               paint.setARGB(0x99, 0xff, 0xe0 * percent / 25, 0x00);
+               }
+       }
+
+       @Override
+       protected synchronized void onDraw(Canvas canvas) {
+               getDrawingRect(rect);
+               rect.left += getPaddingLeft() + 2;
+               rect.top += getPaddingTop() + 2;
+               rect.right -= getPaddingRight() + 2;
+               rect.bottom -= getPaddingBottom() + 2;
+
+               rectf.set(rect);
+               canvas.drawArc(rectf, -90, getProgress() * 360 / getMax(), true, paint);
+       }
+}