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package com.jayway.android.robotium.solo;

import java.util.ArrayList;
import junit.framework.Assert;
import android.app.Activity;
import android.view.View;
import android.widget.TextView;


/**
 * Contains various get methods. Examples are: getView(int id),
 * getView(Class classToFilterBy, int index).
 * 
 * @author Renas Reda, [email protected]
 * 
 */

class Getter {
	
	private final ActivityUtils activityUtils;
	private final ViewFetcher viewFetcher;
	private final Waiter waiter;

	/**
	 * Constructs this object.
	 * 
	 * @param activityUtils the {@code ActivityUtil} instance.
	 * @param viewFetcher the {@code ViewFetcher} instance.
     * @param waiter the {@code Waiter} instance
	 */
	
	public Getter(ActivityUtils activityUtils, ViewFetcher viewFetcher, Waiter waiter){
		this.activityUtils = activityUtils;
		this.viewFetcher = viewFetcher;
		this.waiter = waiter;
	}

	
	/**
	 * Returns a {@code View} with a certain index, from the list of current {@code View}s of the specified type.
	 *
	 * @param classToFilterBy which {@code View}s to choose from
	 * @param index choose among all instances of this type, e.g. {@code Button.class} or {@code EditText.class}
	 * @return a {@code View} with a certain index, from the list of current {@code View}s of the specified type
	 */
	
	public  T getView(Class classToFilterBy, int index) {
		return waiter.waitForAndGetView(index, classToFilterBy);
	}
	
	/**
	 * Returns a {@code View} that shows a given text, from the list of current {@code View}s of the specified type.
	 *
	 * @param classToFilterBy which {@code View}s to choose from
	 * @param text the text that the view shows
	 * @param onlyVisible {@code true} if only visible texts on the screen should be returned
	 * @return a {@code View} showing a given text, from the list of current {@code View}s of the specified type
	 */

	public  T getView(Class classToFilterBy, String text, boolean onlyVisible) {
		waiter.waitForText(text, 0, 10000, false, onlyVisible);
		ArrayList views = viewFetcher.getCurrentViews(classToFilterBy);
		if(onlyVisible)
			views =	RobotiumUtils.removeInvisibleViews(views);
		T viewToReturn = null;
		for(T view: views){
			if(view.getText().toString().equals(text))
				viewToReturn = view;
		}
		if(viewToReturn == null)
			Assert.assertTrue("No " + classToFilterBy.getSimpleName() + " with text " + text + " is found!", false);

		return viewToReturn;
	}
	
	/**
	 * Returns a {@code View} with a given id.
	 * 
	 * @param id the R.id of the {@code View} to be returned
	 * @return a {@code View} with a given id
	 */

	public View getView(int id){
		final Activity activity = activityUtils.getCurrentActivity(false);

		View view = activity.findViewById(id);
		if (view != null)
			return view;

		return waiter.waitForView(id);
	}
}