mirror of
https://github.com/transmission/transmission
synced 2024-12-30 19:46:56 +00:00
07912d230b
Split FileTree.{h,cc} and FilterBar.{h,cc} files so that each class
is in its own file.
This breaks translations (some classes got renamed => context changed),
to be fixed by next commit (along with Tx sync).
152 lines
3.4 KiB
C++
152 lines
3.4 KiB
C++
/*
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* This file Copyright (C) 2009-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <iostream>
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#include <QDir>
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#include <QFileSystemWatcher>
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#include <QTimer>
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#include <libtransmission/transmission.h>
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#include "Prefs.h"
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#include "TorrentModel.h"
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#include "WatchDir.h"
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/***
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****
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***/
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WatchDir::WatchDir (const TorrentModel& model):
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myModel (model),
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myWatcher (0)
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{
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}
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WatchDir::~WatchDir ()
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{
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}
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/***
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****
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***/
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int
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WatchDir::metainfoTest (const QString& filename) const
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{
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int ret;
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tr_info inf;
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tr_ctor * ctor = tr_ctorNew (0);
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// parse
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tr_ctorSetMetainfoFromFile (ctor, filename.toUtf8().constData());
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const int err = tr_torrentParse( ctor, &inf );
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if (err)
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ret = ERROR;
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else if (myModel.hasTorrent (QString::fromUtf8 (inf.hashString)))
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ret = DUPLICATE;
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else
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ret = OK;
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// cleanup
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if (!err)
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tr_metainfoFree (&inf);
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tr_ctorFree (ctor);
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return ret;
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}
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void
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WatchDir::onTimeout ()
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{
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QTimer * t = qobject_cast<QTimer*>(sender());
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const QString filename = t->objectName ();
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if (metainfoTest (filename) == OK)
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emit torrentFileAdded( filename );
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t->deleteLater( );
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}
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void
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WatchDir::setPath (const QString& path, bool isEnabled)
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{
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// clear out any remnants of the previous watcher, if any
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myWatchDirFiles.clear ();
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if (myWatcher)
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{
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delete myWatcher;
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myWatcher = 0;
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}
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// maybe create a new watcher
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if (isEnabled)
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{
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myWatcher = new QFileSystemWatcher ();
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myWatcher->addPath( path );
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connect (myWatcher, SIGNAL(directoryChanged(QString)),
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this, SLOT(watcherActivated(QString)));
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//std::cerr << "watching " << qPrintable(path) << " for new .torrent files" << std::endl;
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QTimer::singleShot (0, this, SLOT (rescanAllWatchedDirectories ())); // trigger the watchdir for .torrent files in there already
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}
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}
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void
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WatchDir::watcherActivated (const QString& path)
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{
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const QDir dir(path);
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// get the list of files currently in the watch directory
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QSet<QString> files;
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for (const QString& str: dir.entryList (QDir::Readable|QDir::Files))
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files.insert (str);
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// try to add any new files which end in .torrent
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const QSet<QString> newFiles (files - myWatchDirFiles);
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const QString torrentSuffix = QString::fromUtf8 (".torrent");
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for (const QString& name: newFiles)
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{
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if (name.endsWith (torrentSuffix, Qt::CaseInsensitive))
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{
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const QString filename = dir.absoluteFilePath (name);
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switch (metainfoTest (filename))
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{
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case OK:
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emit torrentFileAdded (filename);
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break;
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case DUPLICATE:
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break;
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case ERROR:
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{
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// give the .torrent a few seconds to finish downloading
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QTimer * t = new QTimer (this);
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t->setObjectName (dir.absoluteFilePath (name));
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t->setSingleShot (true);
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connect( t, SIGNAL(timeout()), this, SLOT(onTimeout()));
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t->start (5000);
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}
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}
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}
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}
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// update our file list so that we can use it
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// for comparison the next time around
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myWatchDirFiles = files;
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}
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void
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WatchDir::rescanAllWatchedDirectories ()
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{
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if (myWatcher == nullptr)
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return;
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for (const QString& path: myWatcher->directories ())
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watcherActivated (path);
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}
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