1/* Copyright (c) 2013-2014 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "GBAApp.h"
  7
  8#include "AudioProcessor.h"
  9#include "CoreController.h"
 10#include "CoreManager.h"
 11#include "ConfigController.h"
 12#include "Display.h"
 13#include "Window.h"
 14#include "VFileDevice.h"
 15
 16#include <QFileInfo>
 17#include <QFileOpenEvent>
 18#include <QIcon>
 19
 20#include <mgba/core/version.h>
 21#include <mgba-util/socket.h>
 22#include <mgba-util/vfs.h>
 23
 24#ifdef USE_SQLITE3
 25#include "feature/sqlite3/no-intro.h"
 26#endif
 27
 28using namespace QGBA;
 29
 30static GBAApp* g_app = nullptr;
 31
 32mLOG_DEFINE_CATEGORY(QT, "Qt", "platform.qt");
 33
 34GBAApp::GBAApp(int& argc, char* argv[], ConfigController* config)
 35	: QApplication(argc, argv)
 36	, m_configController(config)
 37{
 38	g_app = this;
 39
 40#ifdef BUILD_SDL
 41	SDL_Init(SDL_INIT_NOPARACHUTE);
 42#endif
 43
 44#ifndef Q_OS_MAC
 45	setWindowIcon(QIcon(":/res/mgba-512.png"));
 46#endif
 47
 48	SocketSubsystemInit();
 49	qRegisterMetaType<const uint32_t*>("const uint32_t*");
 50	qRegisterMetaType<mCoreThread*>("mCoreThread*");
 51
 52	QApplication::setApplicationName(projectName);
 53	QApplication::setApplicationVersion(projectVersion);
 54
 55	if (!m_configController->getQtOption("displayDriver").isNull()) {
 56		Display::setDriver(static_cast<Display::Driver>(m_configController->getQtOption("displayDriver").toInt()));
 57	}
 58
 59	reloadGameDB();
 60
 61	m_manager.setConfig(m_configController->config());
 62	m_manager.setMultiplayerController(&m_multiplayer);
 63
 64	if (!m_configController->getQtOption("audioDriver").isNull()) {
 65		AudioProcessor::setDriver(static_cast<AudioProcessor::Driver>(m_configController->getQtOption("audioDriver").toInt()));
 66	}
 67}
 68
 69GBAApp::~GBAApp() {
 70	m_workerThreads.waitForDone();
 71}
 72
 73bool GBAApp::event(QEvent* event) {
 74	if (event->type() == QEvent::FileOpen) {
 75		CoreController* core = m_manager.loadGame(static_cast<QFileOpenEvent*>(event)->file());
 76		m_windows[0]->setController(core, static_cast<QFileOpenEvent*>(event)->file());
 77		return true;
 78	}
 79	return QApplication::event(event);
 80}
 81
 82Window* GBAApp::newWindow() {
 83	if (m_windows.count() >= MAX_GBAS) {
 84		return nullptr;
 85	}
 86	Window* w = new Window(&m_manager, m_configController, m_multiplayer.attached());
 87	int windowId = m_multiplayer.attached();
 88	connect(w, &Window::destroyed, [this, w]() {
 89		m_windows.removeAll(w);
 90		for (Window* w : m_windows) {
 91			w->updateMultiplayerStatus(m_windows.count() < MAX_GBAS);
 92		}
 93	});
 94	m_windows.append(w);
 95	w->setAttribute(Qt::WA_DeleteOnClose);
 96	w->loadConfig();
 97	w->show();
 98	w->multiplayerChanged();
 99	for (Window* w : m_windows) {
100		w->updateMultiplayerStatus(m_windows.count() < MAX_GBAS);
101	}
102	return w;
103}
104
105GBAApp* GBAApp::app() {
106	return g_app;
107}
108
109void GBAApp::pauseAll(QList<Window*>* paused) {
110	for (auto& window : m_windows) {
111		if (!window->controller() || window->controller()->isPaused()) {
112			continue;
113		}
114		window->controller()->setPaused(true);
115		paused->append(window);
116	}
117}
118
119void GBAApp::continueAll(const QList<Window*>& paused) {
120	for (auto& window : paused) {
121		if (window->controller()) {
122			window->controller()->setPaused(false);
123		}
124	}
125}
126
127QString GBAApp::getOpenFileName(QWidget* owner, const QString& title, const QString& filter) {
128	QList<Window*> paused;
129	pauseAll(&paused);
130	QString filename = QFileDialog::getOpenFileName(owner, title, m_configController->getOption("lastDirectory"), filter);
131	continueAll(paused);
132	if (!filename.isEmpty()) {
133		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
134	}
135	return filename;
136}
137
138QString GBAApp::getSaveFileName(QWidget* owner, const QString& title, const QString& filter) {
139	QList<Window*> paused;
140	pauseAll(&paused);
141	QString filename = QFileDialog::getSaveFileName(owner, title, m_configController->getOption("lastDirectory"), filter);
142	continueAll(paused);
143	if (!filename.isEmpty()) {
144		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
145	}
146	return filename;
147}
148
149QString GBAApp::getOpenDirectoryName(QWidget* owner, const QString& title) {
150	QList<Window*> paused;
151	pauseAll(&paused);
152	QString filename = QFileDialog::getExistingDirectory(owner, title, m_configController->getOption("lastDirectory"));
153	continueAll(paused);
154	if (!filename.isEmpty()) {
155		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
156	}
157	return filename;
158}
159
160QString GBAApp::dataDir() {
161#ifdef DATADIR
162	QString path = QString::fromUtf8(DATADIR);
163#else
164	QString path = QCoreApplication::applicationDirPath();
165#ifdef Q_OS_MAC
166	path += QLatin1String("/../Resources");
167#endif
168#endif
169	return path;
170}
171
172#ifdef USE_SQLITE3
173bool GBAApp::reloadGameDB() {
174	NoIntroDB* db = nullptr;
175	db = NoIntroDBLoad((ConfigController::configDir() + "/nointro.sqlite3").toUtf8().constData());
176	if (db && m_db) {
177		NoIntroDBDestroy(m_db);
178	}
179	if (db) {
180		GameDBParser* parser = new GameDBParser(db);
181		submitWorkerJob(std::bind(&GameDBParser::parseNoIntroDB, parser));
182		m_db = db;
183		return true;
184	}
185	return false;
186}
187#else
188bool GBAApp::reloadGameDB() {
189	return false;
190}
191#endif
192
193qint64 GBAApp::submitWorkerJob(std::function<void ()> job, std::function<void ()> callback) {
194	return submitWorkerJob(job, nullptr, callback);
195}
196
197qint64 GBAApp::submitWorkerJob(std::function<void ()> job, QObject* context, std::function<void ()> callback) {
198	qint64 jobId = m_nextJob;
199	++m_nextJob;
200	WorkerJob* jobRunnable = new WorkerJob(jobId, job, this);
201	m_workerJobs.insert(jobId, jobRunnable);
202	if (callback) {
203		waitOnJob(jobId, context, callback);
204	}
205	m_workerThreads.start(jobRunnable);
206	return jobId;
207}
208
209bool GBAApp::removeWorkerJob(qint64 jobId) {
210	for (auto& job : m_workerJobCallbacks.values(jobId)) {
211		disconnect(job);
212	}
213	m_workerJobCallbacks.remove(jobId);
214	if (!m_workerJobs.contains(jobId)) {
215		return true;
216	}
217	bool success = false;
218#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
219	success = m_workerThreads.tryTake(m_workerJobs[jobId]);
220#endif
221	if (success) {
222		m_workerJobs.remove(jobId);
223	}
224	return success;
225}
226
227
228bool GBAApp::waitOnJob(qint64 jobId, QObject* context, std::function<void ()> callback) {
229	if (!m_workerJobs.contains(jobId)) {
230		return false;
231	}
232	if (!context) {
233		context = this;
234	}
235	QMetaObject::Connection connection = connect(this, &GBAApp::jobFinished, context, [jobId, callback](qint64 testedJobId) {
236		if (jobId != testedJobId) {
237			return;
238		}
239		callback();
240	});
241	m_workerJobCallbacks.insert(m_nextJob, connection);
242	return true;
243}
244
245void GBAApp::finishJob(qint64 jobId) {
246	m_workerJobs.remove(jobId);
247	emit jobFinished(jobId);
248	m_workerJobCallbacks.remove(jobId);
249}
250
251GBAApp::WorkerJob::WorkerJob(qint64 id, std::function<void ()> job, GBAApp* owner)
252	: m_id(id)
253	, m_job(job)
254	, m_owner(owner)
255{
256	setAutoDelete(true);
257}
258
259void GBAApp::WorkerJob::run() {
260	m_job();
261	QMetaObject::invokeMethod(m_owner, "finishJob", Q_ARG(qint64, m_id));
262}
263
264#ifdef USE_SQLITE3
265GameDBParser::GameDBParser(NoIntroDB* db, QObject* parent)
266	: QObject(parent)
267	, m_db(db)
268{
269	// Nothing to do
270}
271
272void GameDBParser::parseNoIntroDB() {
273	VFile* vf = VFileDevice::open(GBAApp::dataDir() + "/nointro.dat", O_RDONLY);
274	if (vf) {
275		NoIntroDBLoadClrMamePro(m_db, vf);
276		vf->close(vf);
277	}
278}
279
280#endif