com.cognifide.aet.sanity.functional.po.LoadedCondition.java Source code

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Here is the source code for com.cognifide.aet.sanity.functional.po.LoadedCondition.java

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/**
 * Automated Exploratory Tests
 *
 * Copyright (C) 2013 Cognifide Limited
 *
 * 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 com.cognifide.aet.sanity.functional.po;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.ExpectedCondition;

import java.util.List;

import javax.annotation.Nullable;

class LoadedCondition implements ExpectedCondition<Integer> {

    private final By selector;

    private int alreadyLoaded = 0;

    public LoadedCondition(By selector) {
        this.selector = selector;
    }

    @Nullable
    @Override
    public Integer apply(@Nullable WebDriver webDriver) {
        List<WebElement> elements = webDriver.findElements(selector);
        boolean tilesLoaded = !isStillLoading(elements) && alreadyLoaded > 0;
        return tilesLoaded ? elements.size() : null;
    }

    private boolean isStillLoading(List<WebElement> currentlyFound) {
        boolean stillLoading = false;
        if (currentlyFound.size() > alreadyLoaded) {
            alreadyLoaded = currentlyFound.size();
            stillLoading = true;
        }
        return stillLoading;
    }
}