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	connect(this, &GBAApp::aboutToQuit, this, &GBAApp::cleanup);
 69}
 70
 71void GBAApp::cleanup() {
 72	m_workerThreads.waitForDone();
 73
 74	while (!m_workerJobs.isEmpty()) {
 75		finishJob(m_workerJobs.firstKey());
 76	}
 77
 78	if (m_db) {
 79		NoIntroDBDestroy(m_db);
 80	}
 81}
 82
 83bool GBAApp::event(QEvent* event) {
 84	if (event->type() == QEvent::FileOpen) {
 85		CoreController* core = m_manager.loadGame(static_cast<QFileOpenEvent*>(event)->file());
 86		m_windows[0]->setController(core, static_cast<QFileOpenEvent*>(event)->file());
 87		return true;
 88	}
 89	return QApplication::event(event);
 90}
 91
 92Window* GBAApp::newWindow() {
 93	if (m_windows.count() >= MAX_GBAS) {
 94		return nullptr;
 95	}
 96	Window* w = new Window(&m_manager, m_configController, m_multiplayer.attached());
 97	int windowId = m_multiplayer.attached();
 98	connect(w, &Window::destroyed, [this, w]() {
 99		m_windows.removeAll(w);
100		for (Window* w : m_windows) {
101			w->updateMultiplayerStatus(m_windows.count() < MAX_GBAS);
102		}
103	});
104	m_windows.append(w);
105	w->setAttribute(Qt::WA_DeleteOnClose);
106	w->loadConfig();
107	w->show();
108	w->multiplayerChanged();
109	for (Window* w : m_windows) {
110		w->updateMultiplayerStatus(m_windows.count() < MAX_GBAS);
111	}
112	return w;
113}
114
115GBAApp* GBAApp::app() {
116	return g_app;
117}
118
119void GBAApp::pauseAll(QList<Window*>* paused) {
120	for (auto& window : m_windows) {
121		if (!window->controller() || window->controller()->isPaused()) {
122			continue;
123		}
124		window->controller()->setPaused(true);
125		paused->append(window);
126	}
127}
128
129void GBAApp::continueAll(const QList<Window*>& paused) {
130	for (auto& window : paused) {
131		if (window->controller()) {
132			window->controller()->setPaused(false);
133		}
134	}
135}
136
137QString GBAApp::getOpenFileName(QWidget* owner, const QString& title, const QString& filter) {
138	QList<Window*> paused;
139	pauseAll(&paused);
140	QString filename = QFileDialog::getOpenFileName(owner, title, m_configController->getOption("lastDirectory"), filter);
141	continueAll(paused);
142	if (!filename.isEmpty()) {
143		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
144	}
145	return filename;
146}
147
148QString GBAApp::getSaveFileName(QWidget* owner, const QString& title, const QString& filter) {
149	QList<Window*> paused;
150	pauseAll(&paused);
151	QString filename = QFileDialog::getSaveFileName(owner, title, m_configController->getOption("lastDirectory"), filter);
152	continueAll(paused);
153	if (!filename.isEmpty()) {
154		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
155	}
156	return filename;
157}
158
159QString GBAApp::getOpenDirectoryName(QWidget* owner, const QString& title) {
160	QList<Window*> paused;
161	pauseAll(&paused);
162	QString filename = QFileDialog::getExistingDirectory(owner, title, m_configController->getOption("lastDirectory"));
163	continueAll(paused);
164	if (!filename.isEmpty()) {
165		m_configController->setOption("lastDirectory", QFileInfo(filename).dir().canonicalPath());
166	}
167	return filename;
168}
169
170QString GBAApp::dataDir() {
171#ifdef DATADIR
172	QString path = QString::fromUtf8(DATADIR);
173#else
174	QString path = QCoreApplication::applicationDirPath();
175#ifdef Q_OS_MAC
176	path += QLatin1String("/../Resources");
177#endif
178#endif
179	return path;
180}
181
182#ifdef USE_SQLITE3
183bool GBAApp::reloadGameDB() {
184	NoIntroDB* db = nullptr;
185	db = NoIntroDBLoad((ConfigController::configDir() + "/nointro.sqlite3").toUtf8().constData());
186	if (db && m_db) {
187		NoIntroDBDestroy(m_db);
188	}
189	if (db) {
190		std::shared_ptr<GameDBParser> parser = std::make_shared<GameDBParser>(db);
191		submitWorkerJob(std::bind(&GameDBParser::parseNoIntroDB, parser));
192		m_db = db;
193		return true;
194	}
195	return false;
196}
197#else
198bool GBAApp::reloadGameDB() {
199	return false;
200}
201#endif
202
203qint64 GBAApp::submitWorkerJob(std::function<void ()> job, std::function<void ()> callback) {
204	return submitWorkerJob(job, nullptr, callback);
205}
206
207qint64 GBAApp::submitWorkerJob(std::function<void ()> job, QObject* context, std::function<void ()> callback) {
208	qint64 jobId = m_nextJob;
209	++m_nextJob;
210	WorkerJob* jobRunnable = new WorkerJob(jobId, job, this);
211	m_workerJobs.insert(jobId, jobRunnable);
212	if (callback) {
213		waitOnJob(jobId, context, callback);
214	}
215	m_workerThreads.start(jobRunnable);
216	return jobId;
217}
218
219bool GBAApp::removeWorkerJob(qint64 jobId) {
220	for (auto& job : m_workerJobCallbacks.values(jobId)) {
221		disconnect(job);
222	}
223	m_workerJobCallbacks.remove(jobId);
224	if (!m_workerJobs.contains(jobId)) {
225		return true;
226	}
227	bool success = false;
228#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
229	success = m_workerThreads.tryTake(m_workerJobs[jobId]);
230#endif
231	if (success) {
232		m_workerJobs.remove(jobId);
233	}
234	return success;
235}
236
237
238bool GBAApp::waitOnJob(qint64 jobId, QObject* context, std::function<void ()> callback) {
239	if (!m_workerJobs.contains(jobId)) {
240		return false;
241	}
242	if (!context) {
243		context = this;
244	}
245	QMetaObject::Connection connection = connect(this, &GBAApp::jobFinished, context, [jobId, callback](qint64 testedJobId) {
246		if (jobId != testedJobId) {
247			return;
248		}
249		callback();
250	});
251	m_workerJobCallbacks.insert(m_nextJob, connection);
252	return true;
253}
254
255void GBAApp::finishJob(qint64 jobId) {
256	m_workerJobs.remove(jobId);
257	emit jobFinished(jobId);
258	m_workerJobCallbacks.remove(jobId);
259}
260
261GBAApp::WorkerJob::WorkerJob(qint64 id, std::function<void ()> job, GBAApp* owner)
262	: m_id(id)
263	, m_job(job)
264	, m_owner(owner)
265{
266	setAutoDelete(true);
267}
268
269void GBAApp::WorkerJob::run() {
270	m_job();
271	QMetaObject::invokeMethod(m_owner, "finishJob", Q_ARG(qint64, m_id));
272}
273
274#ifdef USE_SQLITE3
275GameDBParser::GameDBParser(NoIntroDB* db, QObject* parent)
276	: QObject(parent)
277	, m_db(db)
278{
279	// Nothing to do
280}
281
282void GameDBParser::parseNoIntroDB() {
283	VFile* vf = VFileDevice::open(GBAApp::dataDir() + "/nointro.dat", O_RDONLY);
284	if (vf) {
285		NoIntroDBLoadClrMamePro(m_db, vf);
286		vf->close(vf);
287	}
288}
289
290#endif