Add download functionality

It is now possible to download videos with ytdl.

mainwindow.cpp

@@ -3,6 +3,10 @@
 #include "outputwindow.h"
 #include "youtubedl.h"
 
+#include <QFileDialog>
+#include <QtConcurrent/QtConcurrent>
+
+
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow)
@@ -22,9 +26,10 @@ void MainWindow::on_pushButton_clicked()
     case 0: // Fetch url
         this->actionRetrieveUrl();
         break;
+    case 1: // Download
+        actionDownload();
+        break;
     }
-
-
 }
 
 void MainWindow::actionRetrieveUrl()
@@ -37,3 +42,14 @@ void MainWindow::actionRetrieveUrl()
     outputWindow->show();
     this->setCursor(Qt::ArrowCursor);
 }
+
+void MainWindow::actionDownload()
+{
+    QString saveDirectory = QFileDialog::getExistingDirectory();
+    OutputWindow *outputWindow = new OutputWindow();
+    outputWindow->show();
+    YoutubeDL *ytdl = new YoutubeDL();
+    outputWindow->setYtdl(ytdl->getYtdl());
+    outputWindow->connect(ytdl->getYtdl(), SIGNAL(readyRead()), outputWindow, SLOT(readyRead()));
+    ytdl->startDownload(this->ui->videoUrlEdit->text(), saveDirectory);
+}

mainwindow.h

@@ -1,6 +1,9 @@
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
+#include "youtubedl.h"
+#include "outputwindow.h"
+
 #include <QMainWindow>
 
 namespace Ui {
@@ -17,10 +20,11 @@ class MainWindow : public QMainWindow
 
 private slots:
     void on_pushButton_clicked();
-    void actionRetrieveUrl();
 
 private:
     Ui::MainWindow *ui;
+    void actionRetrieveUrl();
+    void actionDownload();
 };
 
 #endif // MAINWINDOW_H

mainwindow.ui

@@ -67,6 +67,11 @@
       <string>Retrieve URL</string>
      </property>
     </item>
+    <item>
+     <property name="text">
+      <string>Download</string>
+     </property>
+    </item>
    </widget>
    <widget class="QLabel" name="label_2">
     <property name="geometry">

outputwindow.cpp

@@ -1,6 +1,8 @@
 #include "outputwindow.h"
 #include "ui_outputwindow.h"
 
+#include <QDialog>
+#include <QMessageBox>
 
 OutputWindow::OutputWindow(QWidget *parent) :
     QWidget(parent),
@@ -18,3 +20,14 @@ void OutputWindow::setText(QString text)
 {
     this->ui->outputTextArea->document()->setPlainText(text);
 }
+
+void OutputWindow::setYtdl(QProcess *ytdl)
+{
+    this->ytdl = ytdl;
+}
+
+
+void OutputWindow::readyRead()
+{
+    this->ui->outputTextArea->document()->setPlainText(this->ytdl->readAll());
+}

outputwindow.h

@@ -1,6 +1,7 @@
 #ifndef OUTPUTWINDOW_H
 #define OUTPUTWINDOW_H
 
+#include <QProcess>
 #include <QWidget>
 
 namespace Ui {
@@ -15,9 +16,16 @@ class OutputWindow : public QWidget
     explicit OutputWindow(QWidget *parent = 0);
     ~OutputWindow();
     void setText(QString text);
+    void updateOutput(QProcess* process);
+
+    void setYtdl(QProcess* ytdl);
+
+public slots:
+    void readyRead();
 
 private:
     Ui::OutputWindow *ui;
+    QProcess* ytdl;
 };
 
 #endif // OUTPUTWINDOW_H

youtubedl.cpp

@@ -26,7 +26,14 @@ QString YoutubeDL::getUrl(QString url)
     return output;
 }
 
-QProcess YoutubeDL::getYtdl()
+void YoutubeDL::startDownload(QString url, QString workingDirectory)
+{
+    this->arguments << url;
+    this->ytdl->setWorkingDirectory(workingDirectory);
+    this->ytdl->start(this->program, this->arguments);
+}
+
+QProcess* YoutubeDL::getYtdl()
 {
     return this->ytdl;
 }

youtubedl.h

@@ -10,6 +10,7 @@ class YoutubeDL
     ~YoutubeDL();
     QString getUrl(QString url);
     QProcess *getYtdl();
+    void startDownload(QString url, QString workingDirectory);
 private:
     QStringList arguments;
     QString program;