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sdrangel/sdrbase/plugin/pluginmanager.cpp
2014-05-21 11:27:55 +01:00

281 lines
8.6 KiB
C++

#include <QApplication>
#include <QPluginLoader>
#include <QComboBox>
#include "plugin/pluginmanager.h"
#include "plugin/plugingui.h"
#include "settings/preset.h"
#include "mainwindow.h"
#include "dsp/dspengine.h"
#include "dsp/samplesource/samplesource.h"
PluginManager::PluginManager(MainWindow* mainWindow, DSPEngine* dspEngine, QObject* parent) :
QObject(parent),
m_pluginAPI(this, mainWindow, dspEngine),
m_mainWindow(mainWindow),
m_dspEngine(dspEngine),
m_sampleSource(),
m_sampleSourceInstance(NULL)
{
}
PluginManager::~PluginManager()
{
freeAll();
}
void PluginManager::loadPlugins()
{
QDir pluginsDir = QDir(QApplication::instance()->applicationDirPath());
loadPlugins(pluginsDir);
qSort(m_plugins);
for(Plugins::const_iterator it = m_plugins.begin(); it != m_plugins.end(); ++it)
it->plugin->initPlugin(&m_pluginAPI);
updateSampleSourceDevices();
}
void PluginManager::registerChannel(const QString& channelName, PluginInterface* plugin, QAction* action)
{
m_channelRegistrations.append(ChannelRegistration(channelName, plugin));
m_mainWindow->addChannelCreateAction(action);
}
void PluginManager::registerChannelInstance(const QString& channelName, PluginGUI* pluginGUI)
{
m_channelInstanceRegistrations.append(ChannelInstanceRegistration(channelName, pluginGUI));
renameChannelInstances();
}
void PluginManager::addChannelRollup(QWidget* pluginGUI)
{
m_mainWindow->addChannelRollup(pluginGUI);
}
void PluginManager::removeChannelInstance(PluginGUI* pluginGUI)
{
for(ChannelInstanceRegistrations::iterator it = m_channelInstanceRegistrations.begin(); it != m_channelInstanceRegistrations.end(); ++it) {
if(it->m_gui == pluginGUI) {
m_channelInstanceRegistrations.erase(it);
break;
}
}
renameChannelInstances();
}
void PluginManager::registerSampleSource(const QString& sourceName, PluginInterface* plugin)
{
m_sampleSourceRegistrations.append(SampleSourceRegistration(sourceName, plugin));
}
void PluginManager::loadSettings(const Preset* preset)
{
qDebug("-------- [%s | %s] --------", qPrintable(preset->getGroup()), qPrintable(preset->getDescription()));
// copy currently open channels and clear list
ChannelInstanceRegistrations openChannels = m_channelInstanceRegistrations;
m_channelInstanceRegistrations.clear();
for(int i = 0; i < preset->getChannelCount(); i++) {
const Preset::ChannelConfig& channelConfig = preset->getChannelConfig(i);
ChannelInstanceRegistration reg;
// if we have one instance available already, use it
for(int i = 0; i < openChannels.count(); i++) {
qDebug("compare [%s] vs [%s]", qPrintable(openChannels[i].m_channelName), qPrintable(channelConfig.m_channel));
if(openChannels[i].m_channelName == channelConfig.m_channel) {
qDebug("channel [%s] found", qPrintable(openChannels[i].m_channelName));
reg = openChannels.takeAt(i);
m_channelInstanceRegistrations.append(reg);
break;
}
}
// if we haven't one already, create one
if(reg.m_gui == NULL) {
for(int i = 0; i < m_channelRegistrations.count(); i++) {
if(m_channelRegistrations[i].m_channelName == channelConfig.m_channel) {
qDebug("creating new channel [%s]", qPrintable(channelConfig.m_channel));
reg = ChannelInstanceRegistration(channelConfig.m_channel, m_channelRegistrations[i].m_plugin->createChannel(channelConfig.m_channel));
break;
}
}
}
if(reg.m_gui != NULL)
reg.m_gui->deserialize(channelConfig.m_config);
}
// everything, that is still "available" is not needed anymore
for(int i = 0; i < openChannels.count(); i++) {
qDebug("destroying spare channel [%s]", qPrintable(openChannels[i].m_channelName));
openChannels[i].m_gui->destroy();
}
renameChannelInstances();
if(m_sampleSourceInstance != NULL) {
m_sampleSourceInstance->deserializeGeneral(preset->getSourceGeneralConfig());
if(m_sampleSource == preset->getSource()) {
m_sampleSourceInstance->deserialize(preset->getSourceConfig());
}
}
}
void PluginManager::saveSettings(Preset* preset) const
{
if(m_sampleSourceInstance != NULL) {
preset->setSourceConfig(m_sampleSource, m_sampleSourceInstance->serializeGeneral(), m_sampleSourceInstance->serialize());
preset->setCenterFrequency(m_sampleSourceInstance->getCenterFrequency());
} else {
preset->setSourceConfig(QString::null, QByteArray(), QByteArray());
}
for(int i = 0; i < m_channelInstanceRegistrations.count(); i++)
preset->addChannel(m_channelInstanceRegistrations[i].m_channelName, m_channelInstanceRegistrations[i].m_gui->serialize());
}
void PluginManager::freeAll()
{
m_dspEngine->stopAcquistion();
while(!m_channelInstanceRegistrations.isEmpty()) {
ChannelInstanceRegistration reg(m_channelInstanceRegistrations.takeLast());
reg.m_gui->destroy();
}
if(m_sampleSourceInstance != NULL) {
m_dspEngine->setSource(NULL);
m_sampleSourceInstance->destroy();
m_sampleSourceInstance = NULL;
m_sampleSource.clear();
}
}
bool PluginManager::handleMessage(Message* message)
{
if(m_sampleSourceInstance != NULL) {
if((message->getDestination() == NULL) || (message->getDestination() == m_sampleSourceInstance)) {
if(m_sampleSourceInstance->handleMessage(message))
return true;
}
}
for(ChannelInstanceRegistrations::iterator it = m_channelInstanceRegistrations.begin(); it != m_channelInstanceRegistrations.end(); ++it) {
if((message->getDestination() == NULL) || (message->getDestination() == it->m_gui)) {
if(it->m_gui->handleMessage(message))
return true;
}
}
return false;
}
void PluginManager::updateSampleSourceDevices()
{
m_sampleSourceDevices.clear();
for(int i = 0; i < m_sampleSourceRegistrations.count(); ++i) {
PluginInterface::SampleSourceDevices ssd = m_sampleSourceRegistrations[i].m_plugin->enumSampleSources();
for(int j = 0; j < ssd.count(); ++j)
m_sampleSourceDevices.append(SampleSourceDevice(m_sampleSourceRegistrations[i].m_plugin, ssd[j].displayedName, ssd[j].name, ssd[j].address));
}
}
void PluginManager::fillSampleSourceSelector(QComboBox* comboBox)
{
comboBox->clear();
for(int i = 0; i < m_sampleSourceDevices.count(); i++)
comboBox->addItem(m_sampleSourceDevices[i].m_displayName, i);
}
int PluginManager::selectSampleSource(int index)
{
m_dspEngine->stopAcquistion();
if(m_sampleSourceInstance != NULL) {
m_dspEngine->stopAcquistion();
m_dspEngine->setSource(NULL);
m_sampleSourceInstance->destroy();
m_sampleSourceInstance = NULL;
m_sampleSource.clear();
}
if(index == -1) {
if(!m_sampleSource.isEmpty()) {
for(int i = 0; i < m_sampleSourceDevices.count(); i++) {
if(m_sampleSourceDevices[i].m_sourceName == m_sampleSource) {
index = i;
break;
}
}
}
if(index == -1) {
if(m_sampleSourceDevices.count() > 0)
index = 0;
}
}
if(index == -1)
return -1;
m_sampleSource = m_sampleSourceDevices[index].m_sourceName;
m_sampleSourceInstance = m_sampleSourceDevices[index].m_plugin->createSampleSource(m_sampleSource, m_sampleSourceDevices[index].m_address);
return index;
}
int PluginManager::selectSampleSource(const QString& source)
{
int index = -1;
m_dspEngine->stopAcquistion();
if(m_sampleSourceInstance != NULL) {
m_dspEngine->stopAcquistion();
m_dspEngine->setSource(NULL);
m_sampleSourceInstance->destroy();
m_sampleSourceInstance = NULL;
m_sampleSource.clear();
}
qDebug("finding sample source [%s]", qPrintable(source));
for(int i = 0; i < m_sampleSourceDevices.count(); i++) {
qDebug("*** %s vs %s", qPrintable(m_sampleSourceDevices[i].m_sourceName), qPrintable(source));
if(m_sampleSourceDevices[i].m_sourceName == source) {
index = i;
break;
}
}
if(index == -1) {
if(m_sampleSourceDevices.count() > 0)
index = 0;
}
if(index == -1)
return -1;
m_sampleSource = m_sampleSourceDevices[index].m_sourceName;
m_sampleSourceInstance = m_sampleSourceDevices[index].m_plugin->createSampleSource(m_sampleSource, m_sampleSourceDevices[index].m_address);
return index;
}
void PluginManager::loadPlugins(const QDir& dir)
{
QDir pluginsDir(dir);
foreach(QString fileName, pluginsDir.entryList(QDir::Files)) {
QPluginLoader* loader = new QPluginLoader(pluginsDir.absoluteFilePath(fileName));
PluginInterface* plugin = qobject_cast<PluginInterface*>(loader->instance());
if(loader->isLoaded())
qWarning("loaded plugin %s", qPrintable(fileName));
if(plugin != NULL) {
m_plugins.append(Plugin(fileName, loader, plugin));
} else {
loader->unload();
delete loader;
}
}
foreach(QString dirName, pluginsDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot))
loadPlugins(pluginsDir.absoluteFilePath(dirName));
}
void PluginManager::renameChannelInstances()
{
for(int i = 0; i < m_channelInstanceRegistrations.count(); i++) {
m_channelInstanceRegistrations[i].m_gui->setName(QString("%1:%2").arg(m_channelInstanceRegistrations[i].m_channelName).arg(i));
}
}