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tdemultimedia/juk/k3bexporter.cpp

299 lines
7.6 KiB

/***************************************************************************
begin : Mon May 31 2004
copyright : (C) 2004 by Michael Pyne
email : michael.pyne@kdemail.net
***************************************************************************/
/***************************************************************************
* *
* 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) any later version. *
* *
***************************************************************************/
#include <kprocess.h>
#include <kmessagebox.h>
#include <kurl.h>
#include <klocale.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kstandarddirs.h>
#include <kiconloader.h>
#include <kapplication.h>
#include <qcstring.h>
#include <qmap.h>
#include <dcopref.h>
#include <dcopclient.h>
#include "k3bexporter.h"
#include "playlistitem.h"
#include "playlist.h"
#include "playlistbox.h"
#include "actioncollection.h"
using ActionCollection::actions;
// static member variable definition
PlaylistAction *K3bExporter::m_action = 0;
// Special KAction subclass used to automatically call a slot when activated,
// depending on the visible playlist at the time. In other words, use *one*
// instance of this action for many playlists.
//
// This is used to handle some actions in the Playlist context menu.
class PlaylistAction : public KAction
{
public:
PlaylistAction(const char *name,
const QString &userText,
const QIconSet &pix,
const char *slot,
const KShortcut &cut = 0) :
KAction(userText, pix, cut, 0 /* receiver */, 0 /* slot */, actions(), name),
m_slot(slot)
{
}
typedef QMap<const Playlist *, QObject *> PlaylistRecipientMap;
/**
* Defines a QObject to call (using the m_slot SLOT) when an action is
* emitted from a Playlist.
*/
void addCallMapping(const Playlist *p, QObject *obj)
{
m_playlistRecipient[p] = obj;
}
protected slots:
void slotActivated()
{
kdDebug(65432) << k_funcinfo << endl;
// Determine current playlist, and call its slot.
Playlist *p = PlaylistCollection::instance()->visiblePlaylist();
if(!p)
return;
// Make sure we're supposed to notify someone about this playlist.
QObject *recipient = m_playlistRecipient[p];
if(!recipient)
return;
// Invoke the slot using some trickery.
// XXX: Use the QMetaObject to do this in Qt 4.
connect(this, SIGNAL(activated()), recipient, m_slot);
emit(activated());
disconnect(this, SIGNAL(activated()), recipient, m_slot);
}
private:
QCString m_slot;
PlaylistRecipientMap m_playlistRecipient;
};
K3bExporter::K3bExporter(Playlist *parent) : PlaylistExporter(parent), m_parent(parent)
{
}
KAction *K3bExporter::action()
{
if(!m_action && !KStandardDirs::findExe("k3b").isNull()) {
m_action = new PlaylistAction(
"export_to_k3b",
i18n("Add Selected Items to Audio or Data CD"),
SmallIconSet("k3b"),
SLOT(slotExport())
);
m_action->setShortcutConfigurable(false);
}
// Tell the action to let us know when it is activated when
// m_parent is the visible playlist. This allows us to reuse the
// action to avoid duplicate entries in KActionCollection.
if(m_action)
m_action->addCallMapping(m_parent, this);
return m_action;
}
void K3bExporter::exportPlaylistItems(const PlaylistItemList &items)
{
if(items.empty())
return;
DCOPClient *client = DCOPClient::mainClient();
QCString appId, appObj;
QByteArray data;
if(!client->findObject("k3b-*", "K3bInterface", "", data, appId, appObj))
exportViaCmdLine(items);
else {
DCOPRef ref(appId, appObj);
exportViaDCOP(items, ref);
}
}
void K3bExporter::slotExport()
{
if(m_parent)
exportPlaylistItems(m_parent->selectedItems());
}
void K3bExporter::exportViaCmdLine(const PlaylistItemList &items)
{
K3bOpenMode mode = openMode();
QCString cmdOption;
switch(mode) {
case AudioCD:
cmdOption = "--audiocd";
break;
case DataCD:
cmdOption = "--datacd";
break;
case Abort:
return;
}
KProcess *process = new KProcess;
*process << "k3b";
*process << cmdOption;
PlaylistItemList::ConstIterator it;
for(it = items.begin(); it != items.end(); ++it)
*process << (*it)->file().absFilePath();
if(!process->start(KProcess::DontCare))
KMessageBox::error(m_parent, i18n("Unable to start K3b."));
}
void K3bExporter::exportViaDCOP(const PlaylistItemList &items, DCOPRef &ref)
{
QValueList<DCOPRef> projectList;
DCOPReply projectListReply = ref.call("projects()");
if(!projectListReply.get<QValueList<DCOPRef> >(projectList, "QValueList<DCOPRef>")) {
DCOPErrorMessage();
return;
}
if(projectList.count() == 0 && !startNewK3bProject(ref))
return;
KURL::List urlList;
PlaylistItemList::ConstIterator it;
for(it = items.begin(); it != items.end(); ++it) {
KURL item;
item.setPath((*it)->file().absFilePath());
urlList.append(item);
}
if(!ref.send("addUrls(KURL::List)", DCOPArg(urlList, "KURL::List"))) {
DCOPErrorMessage();
return;
}
}
void K3bExporter::DCOPErrorMessage()
{
KMessageBox::error(m_parent, i18n("There was a DCOP communication error with K3b."));
}
bool K3bExporter::startNewK3bProject(DCOPRef &ref)
{
QCString request;
K3bOpenMode mode = openMode();
switch(mode) {
case AudioCD:
request = "createAudioCDProject()";
break;
case DataCD:
request = "createDataCDProject()";
break;
case Abort:
return false;
}
if(!ref.send(request)) {
DCOPErrorMessage();
return false;
}
return true;
}
K3bExporter::K3bOpenMode K3bExporter::openMode()
{
int reply = KMessageBox::questionYesNoCancel(
m_parent,
i18n("Create an audio mode CD suitable for CD players, or a data "
"mode CD suitable for computers and other digital music "
"players?"),
i18n("Create K3b Project"),
i18n("Audio Mode"),
i18n("Data Mode")
);
switch(reply) {
case KMessageBox::Cancel:
return Abort;
case KMessageBox::No:
return DataCD;
case KMessageBox::Yes:
return AudioCD;
}
return Abort;
}
K3bPlaylistExporter::K3bPlaylistExporter(PlaylistBox *parent) : K3bExporter(0),
m_playlistBox(parent)
{
}
KAction *K3bPlaylistExporter::action()
{
if(!KStandardDirs::findExe("k3b").isNull()) {
return new KAction(
i18n("Add Playlist to Audio or Data CD"),
SmallIconSet("k3b"),
0,
this,
SLOT(slotExport()),
actions(),
"export_playlist_to_k3b"
);
}
return 0;
}
void K3bPlaylistExporter::slotExport()
{
if(m_playlistBox) {
setPlaylist(m_playlistBox->visiblePlaylist());
exportPlaylistItems(m_playlistBox->visiblePlaylist()->items());
}
}
#include "k3bexporter.moc"
// vim: set et sw=4 ts=4: