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MuseScore/mscore/webpage.cpp
ws 9ebabcc2e5 add namespace Ms
2013-05-13 19:43:59 +02:00

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//=============================================================================
// MusE Score
// Linux Music Score Editor
// $Id:$
//
// The webview is shown on startup with a local file inviting user
// to start connecting with the community. They can press start and
// MuseScore will go online. If no connection, display a can't connect message
// On next startup, if no connection, the panel is closed. If connection, the
// MuseScore goes online directly. If the autoclose panel is reopen, the user
// can retry; retry should not close the panel.
//
// Copyright (C) 2011 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "webpage.h"
#include "musescore.h"
#include "preferences.h"
#include "libmscore/score.h"
namespace Ms {
static const char* staticUrl = "http://connect.musescore.com";
//---------------------------------------------------------
// MyNetworkAccessManager
//---------------------------------------------------------
QNetworkReply * MyNetworkAccessManager::createRequest(Operation op,
const QNetworkRequest & req,
QIODevice * outgoingData)
{
QNetworkRequest new_req(req);
new_req.setRawHeader("User-Agent", QString("MuseScore %1").arg(VERSION).toAscii());
new_req.setRawHeader("Accept-Language", QString("%1;q=0.8,en-US;q=0.6,en;q=0.4").arg(mscore->getLocaleISOCode()).toAscii());
return QNetworkAccessManager::createRequest(op, new_req, outgoingData);
}
//---------------------------------------------------------
// MyWebPage
//---------------------------------------------------------
MyWebPage::MyWebPage(QObject *parent)
: QWebPage(parent)
{
// Enable plugin support
settings()->setAttribute(QWebSettings::PluginsEnabled, true);
}
//---------------------------------------------------------
// createPlugin
//---------------------------------------------------------
QObject* MyWebPage::createPlugin(
const QString &classid,
const QUrl &url,
const QStringList &paramNames,
const QStringList &paramValues)
{
// Create the widget using QUiLoader.
// This means that the widgets don't need to be registered
// with the meta object system.
// On the other hand, non-gui objects can't be created this
// way. When we'd like to create non-visual objects in
// Html to use them via JavaScript, we'd use a different
// mechanism than this.
#if 0
if (classid == "WebScoreView") {
WebScoreView* sv = new WebScoreView(view());
int idx = paramNames.indexOf("score");
if (idx != -1) {
QString score = paramValues[idx];
sv->setScore(paramValues[idx]);
}
else {
qDebug("create WebScoreView: property score not found(%d)\n",
paramNames.size());
}
return sv;
}
#endif
return 0;
/*QUiLoader loader;
return loader.createWidget(classid, view());*/
}
//---------------------------------------------------------
// MyWebView
//---------------------------------------------------------
MyWebView::MyWebView(QWidget *parent):
QWebView(parent),
m_page(this)
{
// Set the page of our own PageView class, MyPageView,
// because only objects of this class will handle
// object-tags correctly.
m_page.setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
QNetworkAccessManager *networkManager = new MyNetworkAccessManager(this);
m_page.setNetworkAccessManager(networkManager);
setPage(&m_page);
//set cookie jar for persistent cookies
CookieJar* jar = new CookieJar(QString(dataPath + "/cookies.txt"));
page()->networkAccessManager()->setCookieJar(jar);
progressBar = 0;
connect(this, SIGNAL(linkClicked(const QUrl&)), SLOT(link(const QUrl&)));
}
//---------------------------------------------------------
// ~MyWebView
//---------------------------------------------------------
MyWebView::~MyWebView()
{
disconnect(this, SIGNAL(loadFinished(bool)), this, SLOT(stopBusyAndClose(bool)));
disconnect(this, SIGNAL(loadFinished(bool)), this, SLOT(stopBusyAndFirst(bool)));
disconnect(this, SIGNAL(loadFinished(bool)), this, SLOT(stopBusyStatic(bool)));
}
//---------------------------------------------------------
// stopBusy
//---------------------------------------------------------
void MyWebView::stopBusy(bool val, bool close)
{
if (!val) {
setHtml(QString("<html><head>"
"<script type=\"text/javascript\">"
"function closePermanently() { mscore.closeWebPanelPermanently(); return false;}"
"</script>"
"<link rel=\"stylesheet\" href=\"data/webview.css\" type=\"text/css\" /></head>"
"<body>"
"<div id=\"content\">"
"<div id=\"middle\">"
" <div class=\"title\" align=\"center\"><h2>%1</h2></div>"
" <ul><li>%2</li></ul>"
" <div align=\"center\"><a class=\"button\" href=\"#\" onclick=\"return panel.load();\">%3</a></div>"
" <div align=\"center\"><a class=\"close\" href=\"#\" onclick=\"return closePermanently();\">%4</div>"
"</div></div>"
"</body></html>")
.arg(tr("Could not<br /> connect"))
.arg(tr("To connect with the community, <br /> you need to have internet <br /> connection enabled"))
.arg(tr("Retry"))
.arg(tr("Close this permanently"))
, QUrl("qrc:/"));
if(!preferences.firstStartWeb && close)
mscore->showWebPanel(false);
}
mscore->hideProgressBar();
setCursor(Qt::ArrowCursor);
}
void MyWebView::stopBusyAndClose(bool val)
{
stopBusy(val, true);
}
void MyWebView::stopBusyAndFirst(bool val)
{
stopBusy(val, false);
if(val && preferences.firstStartWeb) {
preferences.firstStartWeb = false;
preferences.dirty = true;
}
}
void MyWebView::stopBusyStatic(bool val)
{
stopBusy(val, false);
}
//---------------------------------------------------------
// setBusy
//---------------------------------------------------------
void MyWebView::setBusy()
{
setCursor(Qt::WaitCursor);
}
//---------------------------------------------------------
// link
//---------------------------------------------------------
void MyWebView::link(const QUrl& url)
{
QString path(url.path());
QFileInfo fi(path);
if (fi.suffix() == "mscz" || fi.suffix() == "xml" || fi.suffix() == "mxl")
mscore->loadFile(url);
else if(url.host().startsWith("connect."))
load(QNetworkRequest(url));
else
QDesktopServices::openUrl(url);
}
//---------------------------------------------------------
// sizeHint
//---------------------------------------------------------
QSize MyWebView::sizeHint() const
{
return QSize(300 , 300);
}
//---------------------------------------------------------
// WebPageDockWidget
//---------------------------------------------------------
WebPageDockWidget::WebPageDockWidget(MuseScore* mscore, QWidget* parent)
: QDockWidget(parent)
{
setWindowTitle("MuseScore Connect");
setFloating(false);
setFeatures(QDockWidget::DockWidgetClosable);
setObjectName("webpage");
setAllowedAreas(Qt::LeftDockWidgetArea);
web = new MyWebView;
web->setContextMenuPolicy(Qt::PreventContextMenu);
QWebFrame* frame = web->webPage()->mainFrame();
connect(frame, SIGNAL(javaScriptWindowObjectCleared()), this, SLOT(addToJavascript()));
if(preferences.firstStartWeb) {
connect(web, SIGNAL(loadFinished(bool)), web, SLOT(stopBusyStatic(bool)));
web->setBusy();
web->setHtml(QString("<html><head>"
"<script type=\"text/javascript\">"
" function closePermanently() { mscore.closeWebPanelPermanently(); return false; }</script>"
" <link rel=\"stylesheet\" href=\"data/webview.css\" type=\"text/css\" /></head>"
"<body>"
"<div id=\"content\">"
"<div id=\"middle\">"
" <div class=\"title\" align=\"center\"><h2>%1</h2></div>"
" <ul><li>%2</li>"
" <li>%3</li>"
" <li>%4</li>"
" <li>%5</li></ul>"
" <div align=\"center\"><a class=\"button\" href=\"#\" onClick=\"return panel.load();\">%6</a></div>"
" <div align=\"center\"><a class=\"close\" href=\"#\" onclick=\"return closePermanently();\">%7</div>"
"</div></div>"
"</body></html>")
.arg(tr("Connect with the <br /> Community"))
.arg(tr("Find help"))
.arg(tr("Improve your skills"))
.arg(tr("Read the latest news"))
.arg(tr("Download free sheet music"))
.arg(tr("Start"))
.arg(tr("Close this permanently"))
, QUrl("qrc:/"));
}
else{
//And not load !
connect(web, SIGNAL(loadFinished(bool)), web, SLOT(stopBusyAndClose(bool)));
web->setBusy();
web->load(QNetworkRequest(webUrl()));
}
setWidget(web);
}
//---------------------------------------------------------
// addToJavascript
//---------------------------------------------------------
void WebPageDockWidget::addToJavascript()
{
QWebFrame* frame = web->webPage()->mainFrame();
frame->addToJavaScriptWindowObject("panel", this);
frame->addToJavaScriptWindowObject("mscore", mscore);
}
QObject* WebPageDockWidget::currentScore() {
QObject* score = mscore->currentScore();
return score;
}
//---------------------------------------------------------
// load
//---------------------------------------------------------
void WebPageDockWidget::load()
{
connect(web, SIGNAL(loadFinished(bool)), web, SLOT(stopBusyAndFirst(bool)));
web->setBusy();
web->load(QNetworkRequest(webUrl()));
}
bool WebPageDockWidget::saveCurrentScoreOnline(QString action, QVariantMap parameters, QString fileFieldName)
{
qDebug("saveCurrentOnline");
QWebPage * page = web->webPage();
QNetworkAccessManager* manager = page->networkAccessManager();
QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
QMap<QString, QVariant>::const_iterator i = parameters.constBegin();
while (i != parameters.constEnd()) {
QHttpPart part;
part.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant(QString("form-data; name=\"%1\"").arg(i.key())));
part.setBody(i.value().toString().toLatin1());
multiPart->append(part);
//printf("%s \n", qPrintable(i.key()));
//printf("%s \n", qPrintable(i.value().toString()));
++i;
}
if(!fileFieldName.isEmpty()) {
QDir dir;
QFile *file = new QFile(dir.tempPath() + "/temp.mscz");
Score* score = mscore->currentScore();
if(score) {
mscore->saveAs(score, true, file->fileName(), "mscz");
}
else {
delete multiPart;
return false;
}
QHttpPart filePart;
filePart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("application/octet-stream"));
filePart.setRawHeader("Content-Transfer-Encoding", "binary");
filePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant(QString("form-data; name=\"%1\"; filename=\"temp.mscz\"").arg(fileFieldName)));
file->open(QIODevice::ReadOnly);
filePart.setBodyDevice(file);
file->setParent(multiPart); // we cannot delete the file now, so delete it with the multiPart
multiPart->append(filePart);
}
QUrl url(action);
QNetworkRequest request(url);
//QNetworkAccessManager manager;
QNetworkReply *reply = manager->post(request, multiPart);
multiPart->setParent(reply); // delete the multiPart with the reply
// here connect signals etc.
connect(reply, SIGNAL(finished()),
this, SLOT(saveOnlineFinished()));
return true;
}
void WebPageDockWidget::saveOnlineFinished() {
qDebug("Save online finished");
// delete file
QDir dir;
QFile file(dir.tempPath() + "/temp.mscz");
file.remove();
QNetworkReply *reply = (QNetworkReply *)sender();
// Reading attributes of the reply
// e.g. the HTTP status code
int httpStatus = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
QString message = reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString();
// no error received?
if (reply->error() == QNetworkReply::NoError) {
//deal with redirect
if (300 <= httpStatus && httpStatus < 400) {
qDebug("Redirecting to: %s", qPrintable(reply->url().toString()));
web->load(QNetworkRequest(reply->url()));
}
else if (httpStatus == 200) {
//Reading bytes form the reply
QByteArray bytes = reply->readAll();
QString string(bytes);
web->setHtml(string);
}
else {
qDebug("Unknown HTTP status: %d - %s", httpStatus, qPrintable(message));
}
}
else { //error received
qDebug("Save online error %d, HTTP status: %d - %s", reply->error(), httpStatus, qPrintable(message));
}
reply->deleteLater();
}
bool WebPageDockWidget::setCurrentScoreSource(QString source)
{
Score* score = mscore->currentScore();
if(score) {
score->metaTags().insert("source", "");
return true;
}
else {
return false;
}
}
//---------------------------------------------------------
// webUrl
//---------------------------------------------------------
QUrl WebPageDockWidget::webUrl()
{
return QUrl(staticUrl);
}
//---------------------------------------------------------
// CookieJar
//
// Once the QNetworkCookieJar object is deleted, all cookies it held will be
// discarded as well. If you want to save the cookies, you should derive from
// this class and implement the saving to disk to your own storage format.
// (From QNetworkCookieJar documentation.)
//---------------------------------------------------------
CookieJar::CookieJar(QString path, QObject *parent)
: QNetworkCookieJar(parent)
{
file = path;
QFile cookieFile(this->file);
if (cookieFile.exists() && cookieFile.open(QIODevice::ReadOnly)) {
QList<QNetworkCookie> list;
QByteArray line;
while(!(line = cookieFile.readLine()).isNull()) {
list.append(QNetworkCookie::parseCookies(line));
}
setAllCookies(list);
}
else {
if (MScore::debugMode)
qDebug() << "Can't open "<< this->file << " to read cookies";
}
}
//---------------------------------------------------------
// ~CookieJar
//---------------------------------------------------------
CookieJar::~CookieJar()
{
QList <QNetworkCookie> cookieList;
cookieList = allCookies();
QFile file(this->file);
if(!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
if (MScore::debugMode)
qDebug() << "Can't open "<< this->file << " to save cookies";
return;
}
QTextStream out(&file);
for(int i = 0 ; i < cookieList.size() ; i++) {
//get cookie data
QNetworkCookie cookie = cookieList.at(i);
if (!cookie.isSessionCookie()) {
QByteArray line = cookieList.at(i).toRawForm(QNetworkCookie::Full);
out << line << "\n";
}
}
file.close();
}
#if 0
//---------------------------------------------------------
// WebScoreView
//---------------------------------------------------------
WebScoreView::WebScoreView(QWidget* parent)
: ScoreView(parent)
{
networkManager = 0;
}
WebScoreView::WebScoreView(const WebScoreView& wsv)
: ScoreView((QWidget*)(wsv.parent()))
{
networkManager = 0;
}
//---------------------------------------------------------
// setScore
//---------------------------------------------------------
void WebScoreView::setScore(const QString& url)
{
if (!networkManager) {
networkManager = new QNetworkAccessManager(this);
connect(networkManager, SIGNAL(finished(QNetworkReply*)),
SLOT(networkFinished(QNetworkReply*)));
}
networkManager->get(QNetworkRequest(QUrl(url)));
}
//---------------------------------------------------------
// networkFinished
//---------------------------------------------------------
void WebScoreView::networkFinished(QNetworkReply* reply)
{
if (reply->error() != QNetworkReply::NoError) {
if (MScore::debugMode)
qDebug("Error while checking update [%s]\n", qPrintable(reply->errorString()));
return;
}
QByteArray ha = reply->rawHeader("Content-Disposition");
QString s(ha);
QString name;
QRegExp re(".*filename=\"(.*)\"");
if (s.isEmpty() || re.indexIn(s) == -1)
name = "unknown.mscz";
else
name = re.cap(1);
QByteArray data = reply->readAll();
QString tmpName = QDir::tempPath () + "/"+ name;
QFile f(tmpName);
f.open(QIODevice::WriteOnly);
f.write(data);
f.close();
Score* score = mscore->readScore(tmpName);
if (!score) {
qDebug("readScore failed\n");
return;
}
ScoreView::setScore(score);
update();
}
#endif
}
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