#include <QtGui>
#include <QtWebKit>
#include <QSslSocket>
#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));
}
QWebElement GoogleChat::document() const {
return form.webView->page()->mainFrame()->documentElement();
}
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";
document().findFirst("#Email").setAttribute("value", userEmail);
document().findFirst("#Passwd").setAttribute("value", password);
document().findFirst("#gaia_loginform").evaluateJavaScript("this.submit();");
}
void GoogleChat::initialPage(bool ok) {
if (!QSslSocket::supportsSsl()) {
showError("This example requires SSL support.");
return;
}
if (ok) {
QWebElement email = document().findFirst("#Email");
QWebElement passwd = document().findFirst("#Passwd");
QWebElement loginForm = document().findFirst("#gaia_loginform");
if (!email.isNull() && !passwd.isNull() && !loginForm.isNull()) {
form.stackedWidget->setCurrentIndex(1);
form.userNameEdit->setFocus();
form.webView->disconnect();
return;
}
}
showError("SERVICE unavailable.");
}
void GoogleChat::hideElements()
{
document().findFirst(".footer-footer").removeFromDocument();
document().findFirst(".title-bar-bg .title-bar").removeFromDocument();
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 {
QWebElement e = document().findFirst(".errormsg");
if (e.isNull()) {
form.stackedWidget->setCurrentIndex(2);
QTimer::singleShot(500, this, SLOT(hideElements()));
return;
}
QString err = "Unknown login failure.";
const QString errorMessage = e.toPlainText();
if (!errorMessage.isEmpty()) {
err = errorMessage;
err = err.simplified();
}
showError(err);
}
}