Small improvements

- Minor UI changes
- Implemented a mechanism to calculate the download time remaining
- Fixed a bug where the updater icon would not be displayed.

QSimpleUpdater/qsimpleupdater.pri

@@ -27,8 +27,7 @@ win32* {
     LIBS += -L$$PWD/dependencies/win32/ -llibeay32
 }
 
-RESOURCES += \
-    $$PWD/res/res.qrc
+RESOURCES += $$PWD/res/qsu_resources.qrc
 
 FORMS += \
     $$PWD/src/dialogs/download_dialog.ui

QSimpleUpdater/res/qsu_resources.qrc

@@ -1,5 +1,5 @@
 <RCC>
     <qresource prefix="/icons">
-        <file>internet_icon.png</file>
+        <file alias="update.png">update.png</file>
     </qresource>
 </RCC>

QSimpleUpdater/src/dialogs/download_dialog.cpp

@@ -42,10 +42,12 @@ void DownloadDialog::beginDownload(const QUrl &url)
     ui->progressBar->setValue(0);
     ui->installButton->setEnabled(false);
     ui->cancelButton->setText(tr("Cancel"));
-    ui->downloadLabel->setText(tr("Downloading update..."));
+    ui->downloadLabel->setText(tr("Downloading updates"));
+    ui->timeLabel->setText(tr("Time remaining") + ": " + tr("unknown"));
 
     // Begin the download
     m_reply = m_manager->get(QNetworkRequest(url));
+    m_start_time = QDateTime::currentDateTime().toTime_t();
 
     // Update the progress bar value automatically
     connect(m_reply, SIGNAL(downloadProgress(qint64,qint64)),
@@ -80,21 +82,25 @@ void DownloadDialog::openDownload()
 
 void DownloadDialog::cancelDownload()
 {
-    // Cancel download
-    m_reply->abort();
+    QMessageBox _message;
+    _message.setWindowTitle(tr("Updater"));
+    _message.setIcon(QMessageBox::Question);
+    _message.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
+    _message.setText(tr("Are you sure you want to cancel the download?"));
 
-    // Close the dialog
-    close();
+    if (_message.exec() == QMessageBox::Yes) {
+        hide();
+        m_reply->abort();
+    }
 }
 
 void DownloadDialog::downloadFinished()
 {
-    // Setup the UI
-    ui->cancelButton->setText(tr("Close"));
+    ui->timeLabel->setText(NULL);
     ui->installButton->setEnabled(true);
+    ui->cancelButton->setText(tr("Close"));
     ui->downloadLabel->setText(tr("Download complete!"));
 
-    // Write the file
     QByteArray data = m_reply->readAll();
 
     if (!data.isEmpty()) {
@@ -102,18 +108,15 @@ void DownloadDialog::downloadFinished()
         QStringList list = m_reply->url().toString().split("/");
         QFile file(QDir::tempPath() + "/" + list.at(list.count() - 1));
 
-        // Write download data to the opened file
         if (file.open(QIODevice::WriteOnly)) {
             file.write(data);
             m_path = file.fileName();
         }
 
-        // Show a warning if we cannot open the file for writting
         else {
             qWarning() << "QSimpleUpdater: cannot write downloaded data!";
         }
 
-        // Close the file
         file.close();
     }
 
@@ -125,24 +128,19 @@ void DownloadDialog::downloadFinished()
 void DownloadDialog::updateProgress(qint64 received, qint64 total)
 {
     // We know the size of the download, so we can calculate the progress....
-    if (total > 0) {
+    if (total > 0 && received > 0) {
         ui->progressBar->setMinimum(0);
         ui->progressBar->setMaximum(100);
 
-        // Calculate and show download progress
         int _progress = (int) ((received * 100) / total);
         ui->progressBar->setValue(_progress);
-        ui->downloadLabel->setText(tr("Downloading update (%1%)...").arg(_progress));
 
-        // Get size information
         QString _total_string;
         QString _received_string;
 
         float _total = total;
         float _received = received;
 
-        // Calculate the lenght unit for
-        // the total size of the download
         if (_total < 1024) {
             _total_string = tr("%1 bytes").arg(_total);
         } else if (_total < 1024 * 1024) {
@@ -153,8 +151,6 @@ void DownloadDialog::updateProgress(qint64 received, qint64 total)
             _total_string = tr("%1 MB").arg(_total);
         }
 
-        // Calculate the lenght unit for
-        // the received data of the download
         if (_received < 1024) {
             _received_string = tr("%1 bytes").arg(_received);
         } else if (received < 1024 * 1024) {
@@ -165,19 +161,41 @@ void DownloadDialog::updateProgress(qint64 received, qint64 total)
             _received_string = tr("%1 MB").arg(_received);
         }
 
-        // Update the progress label
-        ui->progressLabel->setText(_received_string + " " + tr("of") + " " + _total_string);
+        ui->downloadLabel->setText(tr("Downloading updates") + " (" +
+                                   _received_string + " " + tr("of") + " " +
+                                   _total_string + ")");
+
+        uint _diff = QDateTime::currentDateTime().toTime_t() - m_start_time;
+
+        if (_diff > 0) {
+            QString _time_string;
+            float _time_remaining = total / (received / _diff);
+
+            if (_time_remaining > 7200) {
+                _time_remaining /= 3600;
+                _time_string = tr("About %1 hours").arg(int(_time_remaining + 0.5));
+            }
+
+            else if (_time_remaining > 60) {
+                _time_remaining /= 60;
+                _time_string = tr("About %1 minutes").arg(int(_time_remaining + 0.5));
+            }
+
+            else if (_time_remaining <= 60) {
+                _time_string = tr("%1 seconds").arg(int(_time_remaining + 0.5));
+            }
+
+            ui->timeLabel->setText(tr("Time remaining") + ": " + _time_string);
+        }
     }
 
     // We do not know the size of the download, so we improvise...
     else {
-
-        // Enable a marquee animation
         ui->progressBar->setValue(-1);
         ui->progressBar->setMinimum(0);
         ui->progressBar->setMaximum(0);
-
-        ui->downloadLabel->setText(tr("Downloading update..."));
+        ui->downloadLabel->setText(tr("Downloading updates"));
+        ui->timeLabel->setText(tr("Time remaining") + ": " + tr("Unknown"));
     }
 }
 
@@ -188,6 +206,5 @@ void DownloadDialog::ignoreSslErrors (QNetworkReply *reply, const QList<QSslErro
 
 float DownloadDialog::roundNumber(const float &input)
 {
-    // Round the input number to two decimal places
     return roundf(input * 100) / 100;
 }

QSimpleUpdater/src/dialogs/download_dialog.h

@@ -2,8 +2,11 @@
 #define DOWNLOAD_DIALOG_H
 
 #include <QDir>
+#include <QIcon>
 #include <QDebug>
 #include <QWidget>
+#include <QDateTime>
+#include <QMessageBox>
 #include <QNetworkReply>
 #include <QDesktopServices>
 #include <QNetworkAccessManager>
@@ -39,6 +42,8 @@ private:
     QNetworkReply *m_reply;
     QNetworkAccessManager *m_manager;
 
+    uint m_start_time;
+
     float roundNumber(const float &input);
 };