////  InfoView//  hifi////  Created by Stojce Slavkovski on 9/7/13.//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.// #include "InfoView.h"#include <QApplication>#include "Application.h" #include <QtWebKitWidgets/QWebFrame>#include <QtWebKit/QWebElement>#include <QDesktopWidget> #define SETTINGS_VERSION_KEY "info-version"#define MAX_DIALOG_HEIGHT_RATIO 0.9 InfoView::InfoView(bool forced) :    _forced(forced) {        setWindowFlags(Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint);            switchToResourcesParentIfRequired();    QString absPath = QFileInfo("resources/html/interface-welcome-allsvg.html").absoluteFilePath();    QUrl url = QUrl::fromLocalFile(absPath);        load(url);    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(loaded(bool)));} void InfoView::showFirstTime() {    new InfoView(false);} void InfoView::forcedShow() {    new InfoView(true);} bool InfoView::shouldShow() {    if (_forced) {        return true;    }        QSettings* settings = Application::getInstance()->getSettings();        QString lastVersion = settings->value(SETTINGS_VERSION_KEY).toString();        QWebElement versionTag = page()->mainFrame()->findFirstElement("#version");    QString version = versionTag.attribute("value");        if (version != QString::null && (lastVersion == QString::null || lastVersion != version)) {        settings->setValue(SETTINGS_VERSION_KEY, version);        return true;    } else {        return false;    }   } void InfoView::loaded(bool ok) {    if (!ok || !shouldShow()) {        deleteLater();        return;    }        QDesktopWidget* desktop = Application::getInstance()->desktop();    QWebFrame* mainFrame = page()->mainFrame();        int height = mainFrame->contentsSize().height() > desktop->height() ?        desktop->height() * MAX_DIALOG_HEIGHT_RATIO :        mainFrame->contentsSize().height();        resize(mainFrame->contentsSize().width(), height);    move(desktop->screen()->rect().center() - rect().center());    setWindowTitle(title());    setAttribute(Qt::WA_DeleteOnClose);    show();}