Download Manager

5 files changed, 647 insertions, 0 deletions

diff --git a/src/download/.downloadmanager.cpp.kate-swp b/src/download/.downloadmanager.cpp.kate-swp
new file mode 100644
index 00000000..3dec0e40
--- /dev/null
+++ b/src/download/.downloadmanager.cpp.kate-swp
diff --git a/src/download/downloaditem.cpp b/src/download/downloaditem.cpp
new file mode 100644
index 00000000..38edbf1e
--- /dev/null
+++ b/src/download/downloaditem.cpp
@@ -0,0 +1,157 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2008-2012 by Andrea Diamantini <adjam7 at gmail dot com>
+* Copyright (C) 2011 by Pierre Rossi <pierre dot rossi at gmail dot 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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/>.
+*
+* ============================================================ */
+
+
+// Self includes
+#include "downloaditem.h"
+#include "downloaditem.moc"
+
+// Qt Includes
+#include <QDBusInterface>
+#include <QTimer>
+
+// KDE Includes
+#include <KIconLoader>
+#include <KJob>
+#include <KMimeType>
+#include <KUrl>
+
+
+DownloadItem::DownloadItem(const QString &srcUrl, const QString &destUrl, const QDateTime &d, QObject *parent)
+    : QObject(parent)
+    , m_srcUrlString(srcUrl)
+    , m_destUrl(KUrl(destUrl))
+    , m_dateTime(d)
+    , m_job(0)
+    , m_state(0)
+{
+}
+
+
+DownloadItem::DownloadItem(KIO::CopyJob *job, const QDateTime &d, QObject *parent)
+    : QObject(parent)
+    , m_srcUrlString(job->srcUrls().at(0).url())
+    , m_destUrl(job->destUrl())
+    , m_dateTime(d)
+    , m_job(job)
+    , m_state(0)
+{
+    QObject::connect(job, SIGNAL(percent(KJob*, ulong)), this, SLOT(updateProgress(KJob*, ulong)));
+    QObject::connect(job, SIGNAL(finished(KJob*)), this, SLOT(onFinished(KJob*)));
+    QObject::connect(job, SIGNAL(suspended(KJob*)), this, SLOT(onSuspended(KJob*)));
+}
+
+
+KUrl DownloadItem::destUrl() const
+{
+    return m_destUrl;
+}
+
+
+QString DownloadItem::originUrl() const
+{
+    return m_srcUrlString;
+}
+
+
+QString DownloadItem::fileDirectory() const
+{
+    KUrl u = destUrl();
+    return (QL1S("file://") + u.directory());
+}
+
+
+QString DownloadItem::fileName() const
+{
+    return destUrl().fileName();
+}
+
+
+QString DownloadItem::destinationUrlString() const
+{
+    return destUrl().url(KUrl::RemoveTrailingSlash);
+}
+
+
+QString DownloadItem::icon() const
+{
+    KIconLoader *loader = KIconLoader::global();
+    QString iconForMimeType = KMimeType::iconNameForUrl(destUrl());
+    return (QL1S("file://") + loader->iconPath(iconForMimeType, KIconLoader::Desktop));
+}
+
+
+void DownloadItem::setIsKGetDownload()
+{
+    m_state = KGetManaged;
+}
+
+
+// update progress for the plain KIO::Job backend
+void DownloadItem::updateProgress(KJob *job, unsigned long value)
+{
+    Q_UNUSED(job);
+
+    if (value > 0 && value < 100)
+        m_state = Downloading;
+
+    emit downloadProgress(value);
+}
+
+
+// emit downloadFinished signal in KJob case
+void DownloadItem::onFinished(KJob *job)
+{
+    if (job->error())
+    {
+        m_state = Errors;
+        m_errorString = job->errorString();
+    }
+    else
+    {
+        m_state = Done;
+        emit downloadProgress(100);
+    }
+
+    emit downloadFinished(!job->error());
+}
+
+
+void DownloadItem::onSuspended(KJob *job)
+{
+    Q_UNUSED(job);
+
+    m_state = Suspended;
+
+    // TODO:
+    // connect to job->resume() to let rekonq resume it
+}
+
+
+QString DownloadItem::errorString() const
+{
+    return m_errorString;
+}
diff --git a/src/download/downloaditem.h b/src/download/downloaditem.h
new file mode 100644
index 00000000..0b244c34
--- /dev/null
+++ b/src/download/downloaditem.h
@@ -0,0 +1,117 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2008-2012 by Andrea Diamantini <adjam7 at gmail dot com>
+* Copyright (C) 2011 by Pierre Rossi <pierre dot rossi at gmail dot 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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/>.
+*
+* ============================================================ */
+
+
+#ifndef DOWNLOADITEM_H
+#define DOWNLOADITEM_H
+
+
+// Rekonq Includes
+#include "rekonq_defines.h"
+
+// Qt Includes
+#include <QDateTime>
+#include <QObject>
+#include <QString>
+
+// KDE Includes
+#include <KLocalizedString>
+#include <KUrl>
+#include <KIO/CopyJob>
+
+
+class DownloadItem : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    enum JobState
+    {
+        Done            = 0,
+        Downloading     = 1,
+        Errors          = 2,
+        Suspended       = 3,
+        KGetManaged     = 4
+    };
+
+    explicit DownloadItem(const QString &srcUrl, const QString &destUrl, const QDateTime &d, QObject *parent = 0);
+
+    // This is used to add a DownloadItem managed with KIO
+    explicit DownloadItem(KIO::CopyJob *job, const QDateTime &d, QObject *parent = 0);
+
+
+    inline QDateTime dateTime() const
+    {
+        return m_dateTime;
+    }
+
+    KUrl destUrl() const;
+
+    QString originUrl() const;
+    QString destinationUrlString() const;
+    QString fileName() const;
+    QString fileDirectory() const;
+    QString icon() const;
+    QString errorString() const;
+
+    inline int state() const
+    {
+        return m_state;
+    }
+
+    void setIsKGetDownload();
+
+
+Q_SIGNALS:
+    void downloadProgress(int percent);
+    void downloadFinished(bool success);
+
+public Q_SLOTS:
+    void updateProgress(KJob *job, unsigned long value);
+    void onFinished(KJob *job);
+    void onSuspended(KJob*);
+
+private:
+    QString m_srcUrlString;
+    KUrl m_destUrl;
+
+    QDateTime m_dateTime;
+
+    KIO::CopyJob *m_job;
+    int m_state;
+
+    QString m_errorString;
+};
+
+
+Q_DECLARE_METATYPE(DownloadItem*)
+
+
+typedef QList<DownloadItem*> DownloadList;
+
+
+#endif //DOWNLAODITEM_H
diff --git a/src/download/downloadmanager.cpp b/src/download/downloadmanager.cpp
new file mode 100644
index 00000000..cae65cd9
--- /dev/null
+++ b/src/download/downloadmanager.cpp
@@ -0,0 +1,276 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2008-2012 by Andrea Diamantini <adjam7 at gmail dot com>
+* Copyright (C) 2011 by Pierre Rossi <pierre dot rossi at gmail dot 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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/>.
+*
+* ============================================================ */
+
+
+// Self Includes
+#include "downloadmanager.h"
+#include "downloadmanager.moc"
+
+// Auto Includes
+#include "rekonq.h"
+
+// KDE Includes
+#include <KStandardDirs>
+#include <KToolInvocation>
+#include <KFileDialog>
+
+#include <kio/scheduler.h>
+
+#include <KIO/Job>
+#include <KIO/CopyJob>
+#include <KIO/JobUiDelegate>
+
+// Qt Includes
+#include <QDataStream>
+#include <QDateTime>
+#include <QFile>
+#include <QFileInfo>
+#include <QString>
+#include <QWebSettings>
+#include <QNetworkReply>
+
+#include <QDBusConnection>
+#include <QDBusConnectionInterface>
+#include <QDBusInterface>
+
+
+QWeakPointer<DownloadManager> DownloadManager::s_downloadManager;
+
+
+DownloadManager *DownloadManager::self()
+{
+    if (s_downloadManager.isNull())
+    {
+        s_downloadManager = new DownloadManager(qApp);
+    }
+    return s_downloadManager.data();
+}
+
+
+// ----------------------------------------------------------------------------------------------
+
+
+DownloadManager::DownloadManager(QObject *parent)
+    : QObject(parent)
+    , m_needToSave(false)
+{
+    init();
+}
+
+
+DownloadManager::~DownloadManager()
+{
+    if (!m_needToSave)
+        return;
+
+    QString downloadFilePath = KStandardDirs::locateLocal("appdata" , "downloads");
+    QFile downloadFile(downloadFilePath);
+
+    if (!downloadFile.open(QFile::WriteOnly))
+    {
+        kDebug() << "Unable to open download file (WRITE mode)..";
+        return;
+    }
+
+    QDataStream out(&downloadFile);
+    Q_FOREACH(DownloadItem * item, m_downloadList)
+    {
+        out << item->originUrl();
+        out << item->destinationUrlString();
+        out << item->dateTime();
+    }
+
+    downloadFile.close();
+}
+
+
+void DownloadManager::init()
+{
+    QString downloadFilePath = KStandardDirs::locateLocal("appdata" , "downloads");
+    QFile downloadFile(downloadFilePath);
+    if (!downloadFile.open(QFile::ReadOnly))
+    {
+        kDebug() << "Unable to open download file (READ mode)..";
+        return;
+    }
+
+    QDataStream in(&downloadFile);
+    while (!in.atEnd())
+    {
+        QString srcUrl;
+        in >> srcUrl;
+        QString destUrl;
+        in >> destUrl;
+        QDateTime dt;
+        in >> dt;
+        DownloadItem *item = new DownloadItem(srcUrl, destUrl, dt, this);
+        m_downloadList.append(item);
+    }
+}
+
+
+DownloadItem* DownloadManager::addDownload(KIO::CopyJob *job)
+{
+    QWebSettings *globalSettings = QWebSettings::globalSettings();
+    if (globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled))
+        return 0;
+
+    KIO::CopyJob *cJob = qobject_cast<KIO::CopyJob *>(job);
+
+    QString downloadFilePath = KStandardDirs::locateLocal("appdata" , "downloads");
+    QFile downloadFile(downloadFilePath);
+    if (!downloadFile.open(QFile::WriteOnly | QFile::Append))
+    {
+        kDebug() << "Unable to open download file (WRITE mode)..";
+        return 0;
+    }
+    QDataStream out(&downloadFile);
+    out << cJob->srcUrls().at(0).url();
+    out << cJob->destUrl().url();
+    out << QDateTime::currentDateTime();
+    downloadFile.close();
+    DownloadItem *item = new DownloadItem(job, QDateTime::currentDateTime(), this);
+    m_downloadList.append(item);
+    emit newDownloadAdded(item);
+    return item;
+}
+
+
+DownloadItem* DownloadManager::addKGetDownload(const QString &srcUrl, const QString &destUrl)
+{
+    QWebSettings *globalSettings = QWebSettings::globalSettings();
+    if (globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled))
+        return 0;
+
+    QString downloadFilePath = KStandardDirs::locateLocal("appdata" , "downloads");
+    QFile downloadFile(downloadFilePath);
+    if (!downloadFile.open(QFile::WriteOnly | QFile::Append))
+    {
+        kDebug() << "Unable to open download file (WRITE mode)..";
+        return 0;
+    }
+    QDataStream out(&downloadFile);
+    out << srcUrl;
+    out << destUrl;
+    out << QDateTime::currentDateTime();
+    downloadFile.close();
+    DownloadItem *item = new DownloadItem(srcUrl, destUrl, QDateTime::currentDateTime(), this);
+    item->setIsKGetDownload();
+    m_downloadList.append(item);
+    emit newDownloadAdded(item);
+    return item;
+}
+
+
+bool DownloadManager::clearDownloadsHistory()
+{
+    m_downloadList.clear();
+    QString downloadFilePath = KStandardDirs::locateLocal("appdata" , "downloads");
+    QFile downloadFile(downloadFilePath);
+    return downloadFile.remove();
+}
+
+
+void DownloadManager::downloadLinksWithKGet(const QVariant &contentList)
+{
+    if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kget"))
+    {
+        KToolInvocation::kdeinitExecWait("kget");
+    }
+    QDBusInterface kget("org.kde.kget", "/KGet", "org.kde.kget.main");
+    if (kget.isValid())
+    {
+        kget.call("importLinks", contentList);
+    }
+}
+
+
+void DownloadManager::removeDownloadItem(int index)
+{
+    DownloadItem *item = m_downloadList.takeAt(index);
+    delete item;
+
+    m_needToSave = true;
+}
+
+
+// NOTE
+// These 2 functions have been copied from the KWebPage class to implement a local version of the downloadResponse method.
+// In this way, we can easily provide the extra functionality we need:
+// 1. KGet Integration
+// 2. Save downloads history
+bool DownloadManager::downloadResource(const KUrl &srcUrl, const KIO::MetaData &metaData,
+                                       QWidget *parent, bool forceDirRequest, const QString &suggestedName)
+{
+    KUrl destUrl;
+
+    const QString fileName((suggestedName.isEmpty() ? srcUrl.fileName() : suggestedName));
+
+    if (forceDirRequest || ReKonfig::askDownloadPath())
+    {
+        // follow bug:184202 fixes
+        destUrl = KFileDialog::getSaveFileName(KUrl::fromPath(fileName), QString(), parent);
+    }
+    else
+    {
+        destUrl = KUrl(ReKonfig::downloadPath().path() + QL1C('/') + fileName);
+    }
+
+    kDebug() << "DEST URL: " << destUrl;
+
+    if (!destUrl.isValid())
+        return false;
+
+    // manage downloads with KGet if found
+    if (ReKonfig::kgetDownload() && !KStandardDirs::findExe("kget").isNull())
+    {
+        //KGet integration:
+        if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kget"))
+        {
+            KToolInvocation::kdeinitExecWait("kget");
+        }
+        QDBusInterface kget("org.kde.kget", "/KGet", "org.kde.kget.main");
+        if (!kget.isValid())
+            return false;
+
+        QDBusMessage transfer = kget.call(QL1S("addTransfer"), srcUrl.prettyUrl(), destUrl.prettyUrl(), true);
+
+        addKGetDownload(srcUrl.pathOrUrl(), destUrl.pathOrUrl());
+        return true;
+    }
+
+    KIO::CopyJob *job = KIO::copy(srcUrl, destUrl, KIO::Overwrite);
+
+    if (!metaData.isEmpty())
+        job->setMetaData(metaData);
+
+    job->addMetaData(QL1S("MaxCacheSize"), QL1S("0"));      // Don't store in http cache.
+    job->addMetaData(QL1S("cache"), QL1S("cache"));         // Use entry from cache if available.
+    job->uiDelegate()->setAutoErrorHandlingEnabled(true);
+
+    addDownload(job);
+    return true;
+}
diff --git a/src/download/downloadmanager.h b/src/download/downloadmanager.h
new file mode 100644
index 00000000..5ac4d628
--- /dev/null
+++ b/src/download/downloadmanager.h
@@ -0,0 +1,97 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2011 by Pierre Rossi <pierre dot rossi at gmail dot com>
+* Copyright (C) 2012 by Andrea Diamantini <adjam7 at gmail dot 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* 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/>.
+*
+* ============================================================ */
+
+
+#ifndef DOWNLOADMANAGER_H
+#define DOWNLOADMANAGER_H
+
+
+// Rekonq Includes
+#include "rekonq_defines.h"
+
+// Local Includes
+#include "downloaditem.h"
+
+// KDE Includes
+#include <kio/accessmanager.h>
+#include <KIO/CopyJob>
+
+// Qt Includes
+#include <QObject>
+#include <QWidget>
+
+// Forward Includes
+class KUrl;
+class QNetworkReply;
+
+
+class REKONQ_TESTS_EXPORT DownloadManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    /**
+     * Entry point.
+     * Access to DownloadManager class by using
+     * DownloadManager::self()->thePublicMethodYouNeed()
+     */
+    static DownloadManager *self();
+
+    ~DownloadManager();
+
+    DownloadList downloads() const
+    {
+        return m_downloadList;
+    }
+
+    bool clearDownloadsHistory();
+
+    bool downloadResource(const KUrl &url, const KIO::MetaData &metaData = KIO::MetaData(),
+                          QWidget *parent = 0, bool forceDirRequest = false, const QString &suggestedName = QString());
+
+    void downloadLinksWithKGet(const QVariant &contentList);
+
+    void removeDownloadItem(int index);
+
+private:
+    DownloadManager(QObject *parent = 0);
+    void init();
+
+    DownloadItem* addDownload(KIO::CopyJob *job);
+    DownloadItem* addKGetDownload(const QString &srcUrl, const QString &destUrl);
+
+Q_SIGNALS:
+    void newDownloadAdded(QObject *item);
+
+private:
+    DownloadList m_downloadList;
+
+    bool m_needToSave;
+
+    static QWeakPointer<DownloadManager> s_downloadManager;
+};
+
+#endif // DOWNLOADMANAGER_H