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mirror of https://invent.kde.org/network/falkon.git synced 2024-09-22 18:22:10 +02:00
falkonOfficial/src/downloads/downloadmanager.cpp
nowrep 999f0ef702 Using global QSettings object, should save some writes to disk.
- instead of creating new QSettings objects whenever we want to
  save some data, we are using global QSettings object that is
  keeping its data in memory and writing to disk only when
  really needed
2012-01-11 21:58:25 +01:00

293 lines
8.9 KiB
C++

/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2012 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 "downloadoptionsdialog.h"
#include "downloaditem.h"
#include "ecwin7.h"
#include "networkmanager.h"
#include "qtwin.h"
#include "desktopnotificationsfactory.h"
#include "globalfunctions.h"
#include "webpage.h"
#include "downloadfilehelper.h"
#include "settings.h"
#ifdef Q_WS_WIN
#define DEFAULT_USE_NATIVE_DIALOG false
#else
#define DEFAULT_USE_NATIVE_DIALOG true
#endif
DownloadManager::DownloadManager(QWidget* parent)
: QWidget(parent)
, ui(new Ui::DownloadManager)
, m_isClosing(false)
{
setWindowFlags(windowFlags() ^ Qt::WindowMaximizeButtonHint);
ui->setupUi(this);
#ifdef Q_WS_WIN
if (QtWin::isCompositionEnabled()) {
QtWin::extendFrameIntoClientArea(this);
}
#endif
ui->clearButton->setIcon(QIcon::fromTheme("edit-clear"));
qz_centerWidgetOnScreen(this);
m_networkManager = mApp->networkManager();
connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clearList()));
loadSettings();
#ifdef W7API
if (QtWin::isRunningWindows7()) {
win7.init(this->winId());
}
#endif
}
void DownloadManager::loadSettings()
{
Settings settings;
settings.beginGroup("DownloadManager");
m_downloadPath = settings.value("defaultDownloadPath", "").toString();
m_lastDownloadPath = settings.value("lastDownloadPath", QDir::homePath() + "/").toString();
m_closeOnFinish = settings.value("CloseManagerOnFinish", false).toBool();
m_useNativeDialog = settings.value("useNativeDialog", DEFAULT_USE_NATIVE_DIALOG).toBool();
settings.endGroup();
}
void DownloadManager::show()
{
m_timer.start(1000 * 2, this);
QWidget::show();
}
void DownloadManager::resizeEvent(QResizeEvent* e)
{
QWidget::resizeEvent(e);
emit resized(size());
}
#ifdef W7API
bool DownloadManager::winEvent(MSG* message, long* result)
{
return win7.winEvent(message, result);
}
#endif
void DownloadManager::timerEvent(QTimerEvent* event)
{
QList<QTime> remTimes;
QList<int> progresses;
QList<double> speeds;
if (event->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(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(QString::number(progress) + tr("% - Download Manager"));
#ifdef W7API
if (QtWin::isRunningWindows7()) {
win7.setProgressValue(progress, 100);
win7.setProgressState(win7.Normal);
}
#endif
}
else {
QWidget::timerEvent(event);
}
}
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, WebPage* page, bool askWhatToDo)
{
// Clearing web page info from request
QNetworkRequest req = request;
req.setAttribute((QNetworkRequest::Attribute)(QNetworkRequest::User + 100), 0);
req.setAttribute((QNetworkRequest::Attribute)(QNetworkRequest::User + 101), 0);
req.setAttribute((QNetworkRequest::Attribute)(QNetworkRequest::User + 102), 0);
handleUnsupportedContent(m_networkManager->get(req), page, askWhatToDo);
}
void DownloadManager::handleUnsupportedContent(QNetworkReply* reply, WebPage* page, bool askWhatToDo)
{
if (reply->url().scheme() == "qupzilla") {
return;
}
reply->setProperty("downReply", true);
DownloadFileHelper* h = new DownloadFileHelper(m_lastDownloadPath, m_downloadPath, m_useNativeDialog, page);
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, askWhatToDo);
}
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());
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()->notify(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 W7API
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;
}
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;
}