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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <QtWebKit>
#include "googlechat.h"
#define GOOGLECHAT_URL "http://talkgadget.google.com/talkgadget/m"
GoogleChat::GoogleChat(): QWidget() {
form.setupUi(this);
setFixedSize(320, 480);
form.userNameEdit->setFocus();
connect(form.userNameEdit, SIGNAL(textChanged(QString)), SLOT(adjustLoginButton()));
connect(form.userNameEdit, SIGNAL(returnPressed()), SLOT(inputPassword()));
connect(form.passwordEdit, SIGNAL(textChanged(QString)), SLOT(adjustLoginButton()));
connect(form.passwordEdit, SIGNAL(returnPressed()), SLOT(doLogin()));
form.loginButton->setEnabled(false);
connect(form.loginButton, SIGNAL(clicked()), SLOT(doLogin()));
connect(form.webView, SIGNAL(loadFinished(bool)), SLOT(initialPage(bool)));
connect(form.webView, SIGNAL(loadProgress(int)),
form.progressBar, SLOT(setValue(int)));
form.webView->setUrl((QUrl(GOOGLECHAT_URL)));
form.webView->setContextMenuPolicy(Qt::PreventContextMenu);
showStatus("Wait...");
}
void GoogleChat::showStatus(const QString &msg) {
form.statusLabel->setText(msg);
form.stackedWidget->setCurrentIndex(0);
}
void GoogleChat::showError(const QString &msg) {
form.progressBar->hide();
showStatus(QString("Error: %1").arg(msg));
}
QString GoogleChat::evalJS(const QString &js) {
QWebFrame *frame = form.webView->page()->mainFrame();
return frame->evaluateJavaScript(js).toString();
}
void GoogleChat::adjustLoginButton() {
userName = form.userNameEdit->text();
password = form.passwordEdit->text();
bool ok = !userName.isEmpty() && !password.isEmpty();
form.loginButton->setEnabled(ok);
}
void GoogleChat::inputPassword() {
if (!form.userNameEdit->text().isEmpty())
form.passwordEdit->setFocus();
}
void GoogleChat::doLogin() {
userName = form.userNameEdit->text();
password = form.passwordEdit->text();
bool ok = !userName.isEmpty() && !password.isEmpty();
if (!ok)
return;
form.progressBar->setValue(0);
form.progressBar->show();
connect(form.webView, SIGNAL(loadFinished(bool)), SLOT(loginPage(bool)));
connect(form.webView, SIGNAL(loadProgress(int)),
form.progressBar, SLOT(setValue(int)));
showStatus("Logging in...");
QString userEmail = userName + "@gmail.com";
evalJS(QString("document.getElementById('Email').value = \"%1\";").arg(userEmail));
evalJS(QString("document.getElementById('Passwd').value = \"%1\";").arg(password));
evalJS("document.getElementById('gaia_loginform').submit();");
}
void GoogleChat::initialPage(bool ok) {
if (ok) {
QString s1 = evalJS("document.getElementById('Email').name");
QString s2 = evalJS("document.getElementById('Passwd').name");
QString s3 = evalJS("document.getElementById('gaia_loginform').id");
if (s1 == "Email" && s2 == "Passwd" && s3 == "gaia_loginform") {
form.stackedWidget->setCurrentIndex(1);
form.webView->disconnect();
return;
}
}
showError("SERVICE unavailable.");
}
void GoogleChat::hideElements()
{
evalJS("var e = document.getElementsByClassName('footer-footer')[0]; e.parentElement.removeChild(e)");
evalJS("var e = document.getElementsByClassName('title-bar-bg title-bar')[0]; e.parentElement.removeChild(e)");
QTimer::singleShot(2000, this, SLOT(hideElements()));
}
void GoogleChat::loginPage(bool ok) {
QString location = form.webView->url().toString();
if (!ok) {
if (location.indexOf("CheckCookie"))
return;
showError("Service unavailable");
} else {
// check for any error message
QString c = evalJS("document.getElementsByClassName('errormsg').length");
if (c == "0") {
form.stackedWidget->setCurrentIndex(2);
QTimer::singleShot(500, this, SLOT(hideElements()));
return;
}
QString err = "Unknown login failure.";
if (c == "1") {
err = evalJS("document.getElementsByClassName('errormsg')[0].textContent");
err = err.simplified();
}
showError(err);
}
}
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