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rise.cpp
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rise.cpp
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#include <QFileDialog>
#include <QFileInfo>
#include <QVariant>
#include <QEventLoop>
#include <QApplication>
#include <QRegExp>
#include <QClipboard>
#include <QMimeData>
#include <QWebFrame>
#include "rise.h"
RISE::RISE(QString *p)
{
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
QDir pt(*p);
pt.cdUp();
backend.setWorkingDirectory(pt.path());
env.insert("ROOTDIR", ".");
env.insert("DOC_ROOT", "./site/static");
QStringList args;
QString vsn = "v", erts;
QFile vsn_file(pt.path() + "/releases/start_erl.data");
if (vsn_file.open(QFile::ReadOnly)) {
QList <QByteArray> vdata = vsn_file.readLine().split(' ');
erts = vdata.first().trimmed();
vsn = vdata.last().trimmed();
}
path = *p;
backend.setProcessEnvironment(env);
#ifdef Q_OS_WIN32
args << "-args_file" << "./etc/vm.args";
clog.setFileName(env.value("APPDATA") + "/RISE/log/erlang.log");
if (clog.exists())
clog.remove();
clog.open(QFile::WriteOnly);
backend.start(backend.workingDirectory() + "/erts-" + erts + "/bin/erl.exe", args );
#else
clog.setFileName(env.value("HOME") + "/.config/RISE/log/erlang.log");
if (clog.exists())
clog.remove();
clog.open(QFile::WriteOnly);
args << "-args_file" << "./etc/vm.args";
backend.start(backend.workingDirectory() + "/erts-" + erts + "/bin/erl", args );
#endif
connect(&backend, SIGNAL(readyReadStandardOutput()), this, SLOT(readyReadStandardOutput()));
backend.waitForStarted(300000);
backend.waitForReadyRead();
//setAcceptHoverEvents(true);
pWebPage = page();
pWebPage->setForwardUnsupportedContent(true);
setAcceptDrops(true);
createActions();
showMaximized();
}
RISE::~RISE()
{
backend.terminate();
}
void RISE::readyReadStandardOutput()
{
while (backend.canReadLine()) {
QByteArray data = backend.readLine();
QString str(data);
clog.write(data);
QRegExp cap("^.+0.0.0:(\\d+).*$");
if (cap.exactMatch(str)) {
port = cap.cap(1);
QString url = port.prepend("http://localhost:");
load(QUrl(url));
}
}
}
void RISE::createActions()
{
connect(page(), SIGNAL(downloadRequested(QNetworkRequest)), this, SLOT(downloadRequested(QNetworkRequest)));
connect(pWebPage, SIGNAL(unsupportedContent(QNetworkReply*)), this, SLOT(unsupportedContent(QNetworkReply*)));
}
void RISE::downloadRequested(const QNetworkRequest &request)
{
// First prompted with a file dialog to make sure
// they want the file and to select a download
// location and name.
QString defaultFileName =
QFileInfo(request.url().toString()).fileName();
QString fileName =
QFileDialog::getSaveFileName(this,
tr("Save File"),
defaultFileName);
if (fileName.isEmpty())
return;
// Construct a new request that stores the
// file name that should be used when the
// download is complete
QNetworkRequest newRequest = request;
newRequest.setAttribute(QNetworkRequest::User,
fileName);
// Ask the network manager to download
// the file and connect to the progress
// and finished signals.
QNetworkAccessManager *networkManager =
page()->networkAccessManager();
QNetworkReply *reply =
networkManager->get(newRequest);
connect(reply, SIGNAL(finished()),
this, SLOT(downloaded()));
}
void RISE::unsupportedContent(QNetworkReply *reply)
{
if (reply->hasRawHeader("Content-Disposition"))
{
QString disp = reply->rawHeader("Content-Disposition");
QString defaultFileName = disp.split(";")[1].split("=")[1];
QString fileName =
QFileDialog::getSaveFileName(this,
tr("Save File"),
defaultFileName);
if (fileName.isEmpty())
return;
pWebPage->mainFrame()->evaluateJavaScript("download('" + fileName + "');");
}
return;
}
void RISE::downloaded()
{
QNetworkReply * reply = ((QNetworkReply*)sender());
QString fileName = reply->request().attribute(QNetworkRequest::User).toString();
QFile file(fileName);
if(file.open(QFile::ReadWrite))
file.write(reply->readAll());
}
void RISE::dropEvent(QDropEvent* event)
{
const QMimeData* mimeData = event->mimeData();
//qDebug() << "Drop event: " << mimeData->hasUrls() << "\n";
if(mimeData->hasUrls()) {
QString filePath;
QList<QUrl> urlList = mimeData->urls();
for(int i=0; i<urlList.size();i++){
filePath = urlList.at(i).toLocalFile();
//qDebug() << "File: " << filePath << "\n";
pWebPage->mainFrame()->evaluateJavaScript("upload('" + filePath + "');");
}
}
}