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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-14 11:02:19 +01:00
falkonOfficial/src/lib/downloads/downloadmanager.cpp
2014-01-11 16:11:42 +01:00

346 lines
10 KiB
C++

/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2014 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "downloadmanager.h"
#include "ui_downloadmanager.h"
#include "qupzilla.h"
#include "mainapplication.h"
#include "downloadoptionsdialog.h"
#include "downloaditem.h"
#include "ecwin7.h"
#include "networkmanager.h"
#include "qtwin.h"
#include "desktopnotificationsfactory.h"
#include "qztools.h"
#include "webpage.h"
#include "downloadfilehelper.h"
#include "settings.h"
#include <QMessageBox>
#include <QCloseEvent>
#include <QDir>
DownloadManager::DownloadManager(QWidget* parent)
: QWidget(parent)
, ui(new Ui::DownloadManager)
, m_isClosing(false)
{
setWindowFlags(windowFlags() ^ Qt::WindowMaximizeButtonHint);
ui->setupUi(this);
#ifdef Q_OS_WIN
if (QtWin::isCompositionEnabled()) {
QtWin::extendFrameIntoClientArea(this);
}
#endif
ui->clearButton->setIcon(QIcon::fromTheme("edit-clear"));
QzTools::centerWidgetOnScreen(this);
m_networkManager = mApp->networkManager();
connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clearList()));
loadSettings();
QzTools::setWmClass("Download Manager", this);
#ifdef W7TASKBAR
if (QtWin::isRunningWindows7()) {
win7.init(QtWin::hwndOfWidget(this));
}
#endif
}
void DownloadManager::loadSettings()
{
Settings settings;
settings.beginGroup("DownloadManager");
m_downloadPath = settings.value("defaultDownloadPath", QString()).toString();
m_lastDownloadPath = settings.value("lastDownloadPath", QDir::homePath().append(QLatin1Char('/'))).toString();
m_closeOnFinish = settings.value("CloseManagerOnFinish", false).toBool();
m_useNativeDialog = settings.value("useNativeDialog", DEFAULT_DOWNLOAD_USE_NATIVE_DIALOG).toBool();
m_useExternalManager = settings.value("UseExternalManager", false).toBool();
m_externalExecutable = settings.value("ExternalManagerExecutable", QString()).toString();
m_externalArguments = settings.value("ExternalManagerArguments", QString()).toString();
settings.endGroup();
if (!m_externalArguments.contains(QLatin1String("%d"))) {
m_externalArguments.append(QLatin1String(" %d"));
}
}
void DownloadManager::show()
{
m_timer.start(1000 * 2, this);
QWidget::show();
raise();
activateWindow();
}
void DownloadManager::resizeEvent(QResizeEvent* e)
{
QWidget::resizeEvent(e);
emit resized(size());
}
void DownloadManager::keyPressEvent(QKeyEvent* e)
{
if (e->key() == Qt::Key_Escape) {
close();
}
QWidget::keyPressEvent(e);
}
void DownloadManager::startExternalManager(const QUrl &url)
{
QString arguments = m_externalArguments;
arguments.replace(QLatin1String("%d"), url.toEncoded());
QzTools::startExternalProcess(m_externalExecutable, arguments);
m_lastDownloadOption = ExternalManager;
}
#ifdef W7TASKBAR
#if (QT_VERSION < 0x050000)
bool DownloadManager::winEvent(MSG* message, long* result)
{
#else
bool DownloadManager::nativeEvent(const QByteArray &eventType, void* _message, long* result)
{
Q_UNUSED(eventType)
MSG* message = static_cast<MSG*>(_message);
#endif
return win7.winEvent(message, result);
}
#endif
void DownloadManager::timerEvent(QTimerEvent* e)
{
QVector<QTime> remTimes;
QVector<int> progresses;
QVector<double> speeds;
if (e->timerId() == m_timer.timerId()) {
if (!ui->list->count()) {
ui->speedLabel->clear();
setWindowTitle(tr("Download Manager"));
return;
}
for (int i = 0; i < ui->list->count(); i++) {
DownloadItem* downItem = qobject_cast<DownloadItem*>(ui->list->itemWidget(ui->list->item(i)));
if (!downItem || (downItem && downItem->isCancelled()) || !downItem->isDownloading()) {
continue;
}
progresses.append(downItem->progress());
remTimes.append(downItem->remainingTime());
speeds.append(downItem->currentSpeed());
}
if (remTimes.isEmpty()) {
return;
}
QTime remaining;
foreach (const QTime &time, remTimes) {
if (time > remaining) {
remaining = time;
}
}
int progress = 0;
foreach (int prog, progresses) {
progress += prog;
}
progress = progress / progresses.count();
double speed = 0.00;
foreach (double spee, speeds) {
speed += spee;
}
ui->speedLabel->setText(tr("%1% of %2 files (%3) %4 remaining").arg(QString::number(progress), QString::number(progresses.count()),
DownloadItem::currentSpeedToString(speed),
DownloadItem::remaingTimeToString(remaining)));
setWindowTitle(tr("%1% - Download Manager").arg(progress));
#ifdef W7TASKBAR
if (QtWin::isRunningWindows7()) {
win7.setProgressValue(progress, 100);
win7.setProgressState(win7.Normal);
}
#endif
}
else {
QWidget::timerEvent(e);
}
}
void DownloadManager::clearList()
{
QList<DownloadItem*> items;
for (int i = 0; i < ui->list->count(); i++) {
DownloadItem* downItem = qobject_cast<DownloadItem*>(ui->list->itemWidget(ui->list->item(i)));
if (!downItem) {
continue;
}
if (downItem->isDownloading()) {
continue;
}
items.append(downItem);
}
qDeleteAll(items);
}
void DownloadManager::download(const QNetworkRequest &request, const DownloadInfo &info)
{
if (!info.page) {
return;
}
// Clearing web page info from request
QNetworkRequest req = request;
req.setAttribute((QNetworkRequest::Attribute)(QNetworkRequest::User + 100), 0);
handleUnsupportedContent(m_networkManager->get(req), info);
}
void DownloadManager::handleUnsupportedContent(QNetworkReply* reply, const DownloadInfo &info)
{
if (!info.page || reply->url().scheme() == QLatin1String("qupzilla")) {
return;
}
// if (fromPageDownload && m_useExternalManager) {
// startExternalManager(reply->url());
// reply->abort();
// reply->deleteLater();
// return;
// }
reply->setProperty("downReply", QVariant(true));
DownloadFileHelper* h = new DownloadFileHelper(m_lastDownloadPath, m_downloadPath, m_useNativeDialog);
connect(h, SIGNAL(itemCreated(QListWidgetItem*,DownloadItem*)), this, SLOT(itemCreated(QListWidgetItem*,DownloadItem*)));
h->setLastDownloadOption(m_lastDownloadOption);
h->setDownloadManager(this);
h->setListWidget(ui->list);
h->handleUnsupportedContent(reply, info);
}
void DownloadManager::itemCreated(QListWidgetItem* item, DownloadItem* downItem)
{
connect(downItem, SIGNAL(deleteItem(DownloadItem*)), this, SLOT(deleteItem(DownloadItem*)));
connect(downItem, SIGNAL(downloadFinished(bool)), this, SLOT(downloadFinished(bool)));
ui->list->setItemWidget(item, downItem);
item->setSizeHint(downItem->sizeHint());
downItem->show();
show();
raise();
activateWindow();
}
void DownloadManager::downloadFinished(bool success)
{
bool downloadingAllFilesFinished = true;
for (int i = 0; i < ui->list->count(); i++) {
DownloadItem* downItem = qobject_cast<DownloadItem*>(ui->list->itemWidget(ui->list->item(i)));
if (!downItem || (downItem && downItem->isCancelled()) || !downItem->isDownloading()) {
continue;
}
downloadingAllFilesFinished = false;
}
if (downloadingAllFilesFinished) {
if (success && qApp->activeWindow() != this) {
mApp->desktopNotifications()->showNotification(QIcon::fromTheme("mail-inbox", QIcon(":icons/notifications/download.png")).pixmap(48), tr("Download Finished"), tr("All files have been successfully downloaded."));
if (!m_closeOnFinish) {
raise();
activateWindow();
}
}
ui->speedLabel->clear();
setWindowTitle(tr("Download Manager"));
#ifdef W7TASKBAR
if (QtWin::isRunningWindows7()) {
win7.setProgressValue(0, 100);
win7.setProgressState(win7.NoProgress);
}
#endif
if (m_closeOnFinish) {
close();
}
}
}
void DownloadManager::deleteItem(DownloadItem* item)
{
if (item && !item->isDownloading()) {
delete item;
}
}
bool DownloadManager::canClose()
{
if (m_isClosing) {
return true;
}
bool isDownloading = false;
for (int i = 0; i < ui->list->count(); i++) {
DownloadItem* downItem = qobject_cast<DownloadItem*>(ui->list->itemWidget(ui->list->item(i)));
if (!downItem) {
continue;
}
if (downItem->isDownloading()) {
isDownloading = true;
break;
}
}
return !isDownloading;
}
bool DownloadManager::useExternalManager() const
{
return m_useExternalManager;
}
void DownloadManager::closeEvent(QCloseEvent* e)
{
if (mApp->windowCount() == 0) { // No main windows -> we are going to quit
if (!canClose()) {
QMessageBox::StandardButton button = QMessageBox::warning(this, tr("Warning"),
tr("Are you sure to quit? All uncompleted downloads will be cancelled!"), QMessageBox::Yes | QMessageBox::No);
if (button != QMessageBox::Yes) {
e->ignore();
return;
}
m_isClosing = true;
}
mApp->quitApplication();
}
e->accept();
}
DownloadManager::~DownloadManager()
{
delete ui;
}