////  InfoView.cpp//  interface/src/ui////  Created by Stojce Slavkovski on 9/7/13.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #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, QString path) :    _forced(forced){    setWindowFlags(Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint);            QString absPath = QFileInfo(Application::resourcesPath() + path).absoluteFilePath();    QUrl url = QUrl::fromLocalFile(absPath);        load(url);    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(loaded(bool)));} void InfoView::showFirstTime(QString path) {    new InfoView(false, path);} void InfoView::forcedShow(QString path) {    new InfoView(true, path);} bool InfoView::shouldShow() {    bool shouldShow = false;    if (_forced) {        return true;    }        QSettings* settings = Application::getInstance()->lockSettings();        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);        shouldShow = true;    } else {        shouldShow = false;    }    Application::getInstance()->unlockSettings();    return shouldShow;} 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();}