TermsPreviewActivity.java

/*
 Swisscom Safe Connect
 Copyright (C) 2014 Swisscom

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.swisscom.safeconnect.activity;

import android.content.Intent;
import android.graphics.Matrix;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewTreeObserver;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.swisscom.safeconnect.R;
import com.swisscom.safeconnect.utils.Config;

public class TermsPreviewActivity extends PipeActivity {
    private Button btnAcceptTerms;
	private TextView tvOpenTerms;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.terms_preview);

		tvOpenTerms = (TextView) findViewById(R.id.tv_open_terms);
		tvOpenTerms.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				startActivity(new Intent(TermsPreviewActivity.this, TermsActivity.class));
			}
		});

		btnAcceptTerms = (Button) findViewById(R.id.but_accept_terms);
		btnAcceptTerms.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// if users clicks, he accepts the terms
                Config.getInstance().setTermsAccepted(true);
				startActivity(new Intent(TermsPreviewActivity.this, RegistrationActivity.class));
				finish();
			}
		});		
		
		final ImageView bv = (ImageView) findViewById(R.id.textureImageView);		
		bv.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
			
			@SuppressWarnings("deprecation")
			@Override
			public void onGlobalLayout() {
				if (bv.getDrawable() == null) {
					return;
				}
				
				if(Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
					bv.getViewTreeObserver().removeGlobalOnLayoutListener(this);
				} else {
					bv.getViewTreeObserver().removeOnGlobalLayoutListener(this);
				}
				
				float verticalScalingFactor = (float)bv.getHeight() / bv.getDrawable().getIntrinsicHeight();
				float horizontalScalingFactor =  2f * bv.getWidth() / bv.getDrawable().getIntrinsicWidth();
				Matrix matrix = new Matrix();
				matrix.setTranslate(bv.getWidth() - bv.getDrawable().getIntrinsicWidth(), 0);				
				matrix.postScale(horizontalScalingFactor, verticalScalingFactor, bv.getWidth(), 0);
				bv.setImageMatrix(matrix);
			}
		});
	}
}