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/**
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* ZANavi, Zoff Android Navigation system.
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* Copyright (C) 2011-2012 Zoff <zoff@zoff.cc>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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package com.zoffcc.applications.zanavi;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.graphics.RectF;
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import android.view.animation.Animation;
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import android.view.animation.LinearInterpolator;
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import android.view.animation.RotateAnimation;
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import android.widget.ImageView;
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public class ZANaviBusySpinner extends ImageView
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{
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int mCanvasWidth;
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int mCanvasHeight;
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Paint paint;
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RectF r;
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int spinner_width;
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public static final int spinner_size = 35;
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public static Boolean active;
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static RotateAnimation rotateAnim = null;
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public ZANaviBusySpinner(Context context)
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{
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super(context);
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spinner_width = 12;
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this.paint = new Paint();
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this.paint.setColor(Color.BLUE);
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this.paint.setAlpha(150);
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rotateAnim = null;
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paint.setAntiAlias(true);
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paint.setStrokeWidth(spinner_width);
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paint.setStyle(Style.STROKE);
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ZANaviBusySpinner.active = false;
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this.r = new RectF(1, 1, 1, 1);
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}
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public void onSizeChanged(int w, int h, int oldw, int oldh)
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{
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super.onSizeChanged(w, h, oldw, oldh);
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this.mCanvasWidth = w;
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this.mCanvasHeight = h;
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this.r = new RectF((this.mCanvasWidth / 2) - spinner_size, (this.mCanvasHeight / 2) - spinner_size, (this.mCanvasWidth / 2) + spinner_size, (this.mCanvasHeight / 2) + spinner_size);
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cancelAnim(); // calc new since w,h has changed
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}
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private void createAnim(Canvas canvas)
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{
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try
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{
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rotateAnim = new RotateAnimation(0f, 359f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
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rotateAnim.setRepeatMode(Animation.RESTART);
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rotateAnim.setRepeatCount(Animation.INFINITE);
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rotateAnim.setDuration(2600L); // speed of the animation, higher value = lower speed
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rotateAnim.setInterpolator(new LinearInterpolator());
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startAnimation(rotateAnim);
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}
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catch (Exception e)
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{
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}
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}
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static void cancelAnim()
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{
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try
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{
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rotateAnim.cancel();
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rotateAnim.reset();
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// System.out.println("ZANaviBusySpinner cancel");
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}
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catch (Exception e)
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{
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}
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try
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{
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// System.out.println("ZANaviBusySpinner null");
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rotateAnim = null;
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}
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catch (Exception e)
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{
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}
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}
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public void onDraw(Canvas c)
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{
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if (ZANaviBusySpinner.active)
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{
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if (rotateAnim == null)
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{
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createAnim(c);
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}
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// System.out.println("ZANaviBusySpinner draw");
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c.drawArc(this.r, 0, 310, false, this.paint);
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}
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}
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}
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