src/com/savoirfairelinux/sflphone/client/BubblesViewActivity.java

package com.savoirfairelinux.sflphone.client;

import android.app.Activity;
import android.graphics.PointF;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;

import com.savoirfairelinux.sflphone.R;
import com.savoirfairelinux.sflphone.model.Bubble;
import com.savoirfairelinux.sflphone.model.BubbleModel;
import com.savoirfairelinux.sflphone.model.BubblesView;

public class BubblesViewActivity extends Activity {
	private static final String TAG = BubblesViewActivity.class.getSimpleName();

	BubblesView view;

	PointF screenCenter;
	int radiusCalls;
	double angle_part;

	BubbleModel model;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.bubbleview_layout);

		model = new BubbleModel();
		DisplayMetrics metrics = getResources().getDisplayMetrics();
		screenCenter = new PointF(metrics.widthPixels / 2, metrics.heightPixels / 3);
		radiusCalls = metrics.widthPixels / 2 - 150;
		// model.listBubbles.add(new Bubble(this, metrics.widthPixels / 2, metrics.heightPixels / 4, 150, R.drawable.me));
		// model.listBubbles.add(new Bubble(this, metrics.widthPixels / 2, metrics.heightPixels / 4 * 3, 150, R.drawable.callee));

		view = (BubblesView) findViewById(R.id.main_view);
		view.setModel(model);
		/*
		((Button) findViewById(R.id.add_bubble)).setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				addBubble();
			}
		});

		((Button) findViewById(R.id.remove_bubble)).setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				removeBubble();
			}
		});
		 */
	}

	public void addBubble() {
		/*
		 * Bubble.Builder builder = new Bubble.Builder(getContext()); builder.setRadiusPixels(200).setX(200).setY(300);
		 */
		DisplayMetrics metrics = getResources().getDisplayMetrics();
		Bubble b = new Bubble(this, metrics.widthPixels / 3, metrics.heightPixels / 4 * 3, 150, -1);
		model.listBubbles.add(b);

		angle_part = 2*Math.PI / model.listBubbles.size();

		double dX = 0;
		double dY = 0;
		for (int i = 0; i < model.listBubbles.size(); ++i) {
			dX = Math.cos(angle_part * i) * radiusCalls;
			dY = Math.sin(angle_part * i) * radiusCalls;
			Log.i(TAG, "dX " + dX + " dY " + dY);
			model.listBubbles.get(i).setAttractor(new PointF((int) dX + screenCenter.x, (int) dY + screenCenter.y));
		}

		// listBubbles.get(listBubbles.size() - 1).setRegion(width, height);
	}

	public void removeBubble() {

		if (model.listBubbles.isEmpty()) {
			return;
		}
		/*
		 * Bubble.Builder builder = new Bubble.Builder(getContext()); builder.setRadiusPixels(200).setX(200).setY(300);
		 */
		// DisplayMetrics metrics = getResources().getDisplayMetrics();
		// Bubble b = new Bubble(this, metrics.widthPixels / 3, metrics.heightPixels / 4 * 3, 150, -1);
		synchronized (model) {
			model.listBubbles.remove(model.listBubbles.size() - 1);
		}

		if (model.listBubbles.isEmpty()) {
			return;
		}

		angle_part = 2*Math.PI / model.listBubbles.size();

		Log.i(TAG, "Angle:" + angle_part);
		double dX = 0;
		double dY = 0;
		for (int i = 0; i < model.listBubbles.size(); ++i) {
			dX = Math.cos(angle_part * i) * radiusCalls;
			dY = Math.sin(angle_part * i) * radiusCalls;
			Log.i(TAG, "dX " + dX + " dY " + dY);
			model.listBubbles.get(i).setAttractor(new PointF((int) dX + screenCenter.x, (int) dY + screenCenter.y));
		}

		// listBubbles.get(listBubbles.size() - 1).setRegion(width, height);
	}
}