minium.web.internal.drivers.WindowDelegatorWebDriver.java Source code

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Here is the source code for minium.web.internal.drivers.WindowDelegatorWebDriver.java

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/*
 * Copyright (C) 2015 The Minium Authors
 *
 * 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 minium.web.internal.drivers;

import static com.google.common.base.MoreObjects.toStringHelper;

import java.util.Observable;
import java.util.Observer;

import minium.web.DelegatorWebDriver;

import org.openqa.selenium.WebDriver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.base.Objects;
import com.google.common.base.Preconditions;

public class WindowDelegatorWebDriver extends BaseDocumentWebDriver implements Observer {

    private static final Logger LOGGER = LoggerFactory.getLogger(WindowDelegatorWebDriver.class);

    private String windowHandle;

    public WindowDelegatorWebDriver(DelegatorWebDriver webDriver) {
        super(webDriver);
        webDriver.addObserver(this);
        WebDriver delegateWebDriver = webDriver.getDelegate();
        if (delegateWebDriver != null) {
            this.windowHandle = delegateWebDriver.getWindowHandle();
        }
    }

    @Override
    public void ensureSwitch() {
        Preconditions.checkState(windowHandle != null);
        webDriver.switchTo().window(windowHandle);
        LOGGER.trace("Switched to window {}", windowHandle);
    }

    @Override
    public boolean isClosed() {
        Preconditions.checkState(windowHandle != null);
        return !getWindowHandles().contains(windowHandle);
    }

    @Override
    public void quit() {
        super.quit();
        ((DelegatorWebDriver) webDriver).deleteObserver(this);
    }

    @Override
    public String toString() {
        return toStringHelper(WindowDelegatorWebDriver.class.getSimpleName()).addValue(webDriver).toString();
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(super.hashCode(), webDriver);
    }

    @Override
    public boolean equals(Object obj) {
        return obj != null && obj.getClass() == WindowDelegatorWebDriver.class
                && equalFields((WindowDelegatorWebDriver) obj);
    }

    protected boolean equalFields(WindowDelegatorWebDriver obj) {
        return super.equalFields(obj) && Objects.equal(webDriver, obj.webDriver);
    }

    @Override
    public void update(Observable o, Object arg) {
        WebDriver webDriver = (WebDriver) arg;
        this.windowHandle = webDriver == null ? null : webDriver.getWindowHandle();
    }
}