89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cddadevice.h"
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#include "deviceerror.h"
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#include "library/librarybackend.h"
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#include "library/librarymodel.h"
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const int CddaDevice::kDiscChangePollingIntervalMs = 500;
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CddaDevice::CddaDevice(const QUrl& url, DeviceLister* lister,
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const QString& unique_id, DeviceManager* manager,
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Application* app, int database_id, bool first_time,
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bool watch_for_disc_changes)
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: ConnectedDevice(url, lister, unique_id, manager, app, database_id,
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first_time),
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cdio_(nullptr),
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disc_changed_timer_(),
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cdda_song_loader_(url) {
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connect(&cdda_song_loader_, SIGNAL(SongsLoaded(SongList)), this,
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SLOT(SongsLoaded(SongList)));
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connect(&cdda_song_loader_, SIGNAL(SongsDurationLoaded(SongList)), this,
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SLOT(SongsLoaded(SongList)));
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connect(&cdda_song_loader_, SIGNAL(SongsMetadataLoaded(SongList)), this,
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SLOT(SongsLoaded(SongList)));
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connect(this, SIGNAL(SongsDiscovered(SongList)), model_,
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SLOT(SongsDiscovered(SongList)));
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// connect(&cd_device_, SIGNAL(DiscChanged()), SLOT(DiscChangeDetected()));
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cdio_ = cdio_open(url_.path().toLocal8Bit().constData(), DRIVER_DEVICE);
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if (!cdio_) {
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throw DeviceError(url.toString(),
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"Cannot open device: cdio_open returned nullptr");
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}
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connect(&disc_changed_timer_, SIGNAL(timeout()), SLOT(CheckDiscChanged()));
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WatchForDiscChanges(watch_for_disc_changes);
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}
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CddaDevice::~CddaDevice() {
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Q_ASSERT(cdio_);
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cdio_destroy(cdio_);
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}
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void CddaDevice::Init() { LoadSongs(); }
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CddaSongLoader* CddaDevice::loader() { return &cdda_song_loader_; }
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CdIo_t* CddaDevice::raw_cdio() { return cdio_; }
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void CddaDevice::WatchForDiscChanges(bool watch) {
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if (watch && !disc_changed_timer_.isActive())
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disc_changed_timer_.start(CddaDevice::kDiscChangePollingIntervalMs);
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else if (!watch && disc_changed_timer_.isActive())
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disc_changed_timer_.stop();
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}
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void CddaDevice::LoadSongs() { cdda_song_loader_.LoadSongs(); }
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void CddaDevice::SongsLoaded(const SongList& songs) {
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model_->Reset();
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emit SongsDiscovered(songs);
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song_count_ = songs.size();
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}
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void CddaDevice::CheckDiscChanged() {
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Q_ASSERT(cdio_);
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if (cdio_get_media_changed(cdio_) == 1) {
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emit DiscChanged();
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song_count_ = 0;
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SongList no_songs;
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SongsLoaded(no_songs);
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LoadSongs();
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}
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}
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