Beispiel #1
0
status_t
MediaWindow::_InitMedia(bool first)
{
	status_t err = B_OK;
	BMediaRoster* roster = BMediaRoster::Roster(&err);

	if (first && err != B_OK) {
		BAlert* alert = new BAlert("start_media_server",
			B_TRANSLATE("Could not connect to the media server.\n"
				"Would you like to start it ?"),
			B_TRANSLATE("Quit"),
			B_TRANSLATE("Start media server"), NULL,
			B_WIDTH_AS_USUAL, B_WARNING_ALERT);
		alert->SetShortcut(0, B_ESCAPE);
		if (alert->Go() == 0)
			return B_ERROR;

		Show();

		launch_media_server();
	}

	Lock();

	bool isVideoSelected = true;
	if (!first && fListView->ItemAt(0) != NULL
		&& fListView->ItemAt(0)->IsSelected())
		isVideoSelected = false;

	while (fListView->CountItems() > 0)
		delete fListView->RemoveItem((int32)0);
	_EmptyNodeLists();

	// Grab Media Info
	_FindNodes();

	// Add video nodes first. They might have an additional audio
	// output or input, but still should be listed as video node.
	_AddNodeItems(fVideoOutputs, MediaListItem::VIDEO_TYPE);
	_AddNodeItems(fVideoInputs, MediaListItem::VIDEO_TYPE);
	_AddNodeItems(fAudioOutputs, MediaListItem::AUDIO_TYPE);
	_AddNodeItems(fAudioInputs, MediaListItem::AUDIO_TYPE);

	fAudioView->AddOutputNodes(fAudioOutputs);
	fAudioView->AddInputNodes(fAudioInputs);
	fVideoView->AddOutputNodes(fVideoOutputs);
	fVideoView->AddInputNodes(fVideoInputs);

	// build our list view
	DeviceListItem* audio = new DeviceListItem(B_TRANSLATE("Audio settings"),
		MediaListItem::AUDIO_TYPE);
	fListView->AddItem(audio);

	MidiListItem* midi = new MidiListItem(B_TRANSLATE("MIDI Settings"));
	fListView->AddItem(midi);

	MediaListItem* video = new DeviceListItem(B_TRANSLATE("Video settings"),
		MediaListItem::VIDEO_TYPE);
	fListView->AddItem(video);

	MediaListItem* mixer = new AudioMixerListItem(B_TRANSLATE("Audio mixer"));
	fListView->AddItem(mixer);

	fListView->SortItems(&MediaListItem::Compare);
	_UpdateListViewMinWidth();

	// Set default nodes for our setting views
	media_node defaultNode;
	dormant_node_info nodeInfo;
	int32 outputID;
	BString outputName;

	if (roster->GetAudioInput(&defaultNode) == B_OK) {
		roster->GetDormantNodeFor(defaultNode, &nodeInfo);
		fAudioView->SetDefaultInput(&nodeInfo);
			// this causes our listview to be updated as well
	}

	if (roster->GetAudioOutput(&defaultNode, &outputID, &outputName) == B_OK) {
		roster->GetDormantNodeFor(defaultNode, &nodeInfo);
		fAudioView->SetDefaultOutput(&nodeInfo);
		fAudioView->SetDefaultChannel(outputID);
			// this causes our listview to be updated as well
	}

	if (roster->GetVideoInput(&defaultNode) == B_OK) {
		roster->GetDormantNodeFor(defaultNode, &nodeInfo);
		fVideoView->SetDefaultInput(&nodeInfo);
			// this causes our listview to be updated as well
	}

	if (roster->GetVideoOutput(&defaultNode) == B_OK) {
		roster->GetDormantNodeFor(defaultNode, &nodeInfo);
		fVideoView->SetDefaultOutput(&nodeInfo);
			// this causes our listview to be updated as well
	}

	if (first)
		fListView->Select(fListView->IndexOf(mixer));
	else if (isVideoSelected)
		fListView->Select(fListView->IndexOf(video));
	else
		fListView->Select(fListView->IndexOf(audio));

	Unlock();

	return B_OK;
}
status_t
MediaWindow::InitMedia(bool first)
{
	status_t err = B_OK;
	BMediaRoster* roster = BMediaRoster::Roster(&err);

	if (first && err != B_OK) {
		BAlert* alert = new BAlert("start_media_server",
			B_TRANSLATE("Could not connect to the media server.\n"
			"Would you like to start it ?"),
			B_TRANSLATE("Quit"),
			B_TRANSLATE("Start media server"), NULL,
			B_WIDTH_AS_USUAL, B_WARNING_ALERT);
		if (alert->Go()==0)
			return B_ERROR;

		fAlert = new MediaAlert(BRect(0, 0, 300, 60),
			"restart_alert", B_TRANSLATE(
				"Restarting media services\nStarting media server"
				B_UTF8_ELLIPSIS "\n"));
		fAlert->Show();

		Show();

		launch_media_server();
	}

	Lock();

	bool isVideoSelected = true;
	if (!first && fListView->ItemAt(0) && fListView->ItemAt(0)->IsSelected())
		isVideoSelected = false;

	if ((!first || (first && err) ) && fAlert) {
		BAutolock locker(fAlert);
		if (locker.IsLocked())
			fAlert->TextView()->SetText(
				B_TRANSLATE("Ready for use" B_UTF8_ELLIPSIS));
	}

	while (fListView->CountItems() > 0)
		delete fListView->RemoveItem((int32)0);
	_EmptyNodeLists();

	// Grab Media Info
	_FindNodes();

	// Add video nodes first. They might have an additional audio
	// output or input, but still should be listed as video node.
	_AddNodeItems(fVideoOutputs, MediaListItem::VIDEO_TYPE);
	_AddNodeItems(fVideoInputs, MediaListItem::VIDEO_TYPE);
	_AddNodeItems(fAudioOutputs, MediaListItem::AUDIO_TYPE);
	_AddNodeItems(fAudioInputs, MediaListItem::AUDIO_TYPE);

	fAudioView->AddOutputNodes(fAudioOutputs);
	fAudioView->AddInputNodes(fAudioInputs);
	fVideoView->AddOutputNodes(fVideoOutputs);
	fVideoView->AddInputNodes(fVideoInputs);

	// build our list view
	DeviceListItem* audio = new DeviceListItem(B_TRANSLATE("Audio settings"),
		MediaListItem::AUDIO_TYPE);
	fListView->AddItem(audio);

	MediaListItem* video = new DeviceListItem(B_TRANSLATE("Video settings"),
		MediaListItem::VIDEO_TYPE);
	fListView->AddItem(video);

	MediaListItem* mixer = new AudioMixerListItem(B_TRANSLATE("Audio mixer"));
	fListView->AddItem(mixer);

	fListView->SortItems(&MediaListItem::Compare);
	_UpdateListViewMinWidth();

	// Set default nodes for our setting views
	media_node default_node;
	dormant_node_info node_info;
	int32 outputID;
	BString outputName;

	if (roster->GetAudioInput(&default_node) == B_OK) {
		roster->GetDormantNodeFor(default_node, &node_info);
		fAudioView->SetDefaultInput(&node_info);
			// this causes our listview to be updated as well
	}

	if (roster->GetAudioOutput(&default_node, &outputID, &outputName)==B_OK) {
		roster->GetDormantNodeFor(default_node, &node_info);
		fAudioView->SetDefaultOutput(&node_info);
		fAudioView->SetDefaultChannel(outputID);
			// this causes our listview to be updated as well
	}

	if (roster->GetVideoInput(&default_node)==B_OK) {
		roster->GetDormantNodeFor(default_node, &node_info);
		fVideoView->SetDefaultInput(&node_info);
			// this causes our listview to be updated as well
	}

	if (roster->GetVideoOutput(&default_node)==B_OK) {
		roster->GetDormantNodeFor(default_node, &node_info);
		fVideoView->SetDefaultOutput(&node_info);
			// this causes our listview to be updated as well
	}

	if (first) {
		fListView->Select(fListView->IndexOf(mixer));
	} else {
		if (isVideoSelected)
			fListView->Select(fListView->IndexOf(video));
		else
			fListView->Select(fListView->IndexOf(audio));
	}

	if (fAlert) {
		snooze(800000);
		fAlert->PostMessage(B_QUIT_REQUESTED);
	}
	fAlert = NULL;

	Unlock();

	return B_OK;
}