+/*
+ * 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);
+ }
+}