implemented FileTransferDialog and added "Send File" menu item in contactlistwidget

git-svn-id: svn://localhost/project_picapica/trunk@304 fb96df88-216d-11de-830c-f3023f12d8ac

1 files changed, 187 insertions, 0 deletions

diff --git a/pica-client/dialogs/filetransferdialog.cpp b/pica-client/dialogs/filetransferdialog.cpp
new file mode 100644
index 0000000..c7f145d
--- /dev/null
+++ b/pica-client/dialogs/filetransferdialog.cpp
@@ -0,0 +1,187 @@
+#include "filetransferdialog.h"
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <stdlib.h>
+
+FileTransferDialog::FileTransferDialog(QString filename, quint64 size, TransferDirection drct, QWidget *parent) :
+    QDialog(parent),
+    dir_(drct),
+    filename_(filename),
+    filesize_(size)
+{
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    QHBoxLayout *btlayout = new QHBoxLayout(this);
+
+    lbFilename = new QLabel(this);
+    lbProgressStatus = new QLabel(this);
+    lbTransferSpeed = new QLabel(this);
+    lbRemainingTime = new QLabel(this);
+
+    pgbar = new QProgressBar(this);
+    leftbutton = new QPushButton(this);
+    rightbutton = new QPushButton(this);
+
+    layout->addWidget(lbFilename);
+    layout->addWidget(lbProgressStatus);
+    layout->addWidget(lbTransferSpeed);
+    layout->addWidget(lbRemainingTime);
+    layout->addWidget(pgbar);
+    layout->addLayout(btlayout);
+
+    btlayout->addWidget(leftbutton);
+    btlayout->addWidget(rightbutton);
+
+    if (drct == RECEIVING)
+    {
+        leftbutton->setText(tr("Accept"));
+        rightbutton->setText(tr("Deny"));
+
+        setWindowTitle(tr("Receiving file %1").arg(filename_));
+    }
+    else if (drct == SENDING)
+    {
+        leftbutton->setText(tr("Pause"));
+        rightbutton->setText(tr("Cancel"));
+
+        setWindowTitle(tr("Sending file %1").arg(filename_));
+    }
+
+    lbFilename->setText(filename_);
+
+    pgbar->setMinimum(0);
+    pgbar->setMaximum(100);
+
+    update(0);
+
+    timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(timeout()));
+    timer->start(1000);
+    progress_ = 0;
+    prevprogress_ = 0;
+
+    connect(leftbutton, SIGNAL(clicked()), this, SLOT(leftbuttonclick()));
+    connect(rightbutton, SIGNAL(clicked()), this, SLOT(rightbuttonclick()));
+}
+
+void FileTransferDialog::update(quint64 progress)
+{
+    progress_ = progress;
+    percents = (double)progress / filesize_ * 100.0;
+
+    lbProgressStatus->setText(bytestoHumanBase2(progress) + " / "
+                     + bytestoHumanBase2(filesize_) + QString(" %1 %").arg((int)percents));
+
+    pgbar->setValue(percents);
+}
+
+void FileTransferDialog::leftbuttonclick()
+{
+    if (dir_ == RECEIVING)
+    {
+        if (leftbutton->text() == tr("Accept"))
+        {
+            leftbutton->setText("Pause");
+            rightbutton->setText("Cancel");
+            emit acceptedFile();
+            return;
+        }
+    }
+
+    if (leftbutton->text() == tr("Pause"))
+    {
+        leftbutton->setText(tr("Resume"));
+        emit pausedFile();
+    }
+    else if (leftbutton->text() == tr("Resume"))
+    {
+        leftbutton->setText(tr("Pause"));
+        emit resumedFile();
+    }
+}
+
+void FileTransferDialog::rightbuttonclick()
+{
+    if (dir_ == RECEIVING)
+    {
+        if (rightbutton->text() == tr("Deny"))
+        {
+            emit deniedFile();
+            return;
+        }
+    }
+
+    if (rightbutton->text() == tr("Cancel"))
+    {
+        emit cancelledFile();
+    }
+}
+
+QString FileTransferDialog::bytestoHumanBase2(quint64 bytes)
+{
+    const char* units[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB"};
+    int i = 0;
+    double size = bytes;
+
+    while (size > 1024)
+    {
+        size /= 1024;
+        i++;
+    }
+
+    return QString("%1 %2").arg(size, 6, 'f', i ? 2 : 0).arg(units[i]);
+}
+
+QString FileTransferDialog::bytestoHumanBase10(quint64 bytes)
+{
+    const char* units[] = {"B", "kB", "MB", "GB", "TB", "PB"};
+    int i = 0;
+    double size = bytes;
+
+    while (size > 1000)
+    {
+        size /= 1000;
+        i++;
+    }
+
+    return QString("%1 %2").arg(size, 6, 'f', i ? 2 : 0).arg(units[i]);
+}
+
+QString FileTransferDialog::timeLeft(quint64 seconds)
+{
+    if (seconds < 60)
+    {
+        return QString(tr("%1 seconds")).arg(seconds);
+    }
+
+    int minutes = seconds/60;
+    int hours = minutes/60;
+    double days = (double)hours/24.0;
+
+    if (days > 1.0 )
+        return QString(tr("%1 days")).arg(days, 6, 'f', 1);
+
+    if (hours > 0)
+        return QString("%1:%2").arg(hours).arg(minutes % 60);
+
+    return QString("%1:%2").arg(minutes).arg(seconds % 60);
+}
+
+void FileTransferDialog::timeout()
+{
+    if (progress_ >= filesize_)
+        return;
+
+    quint64 bps = progress_ - prevprogress_;
+    prevprogress_ = progress_;
+
+    if (bps != 0)
+    {
+        quint64 secondsleft = (filesize_ - progress_)/bps;
+
+        lbRemainingTime->setText(timeLeft(secondsleft));
+    }
+    else
+        lbRemainingTime->setText(QString());
+
+    lbTransferSpeed->setText(bytestoHumanBase10(bps) + tr("/s"));
+}