Better (but unsorted) Java detection

logic/JavaCheckerJob.h

@@ -0,0 +1,100 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QtNetwork>
+#include <QLabel>
+#include "JavaChecker.h"
+#include "logic/tasks/ProgressProvider.h"
+
+class JavaCheckerJob;
+typedef std::shared_ptr<JavaCheckerJob> JavaCheckerJobPtr;
+
+class JavaCheckerJob : public ProgressProvider
+{
+	Q_OBJECT
+public:
+	explicit JavaCheckerJob(QString job_name) : ProgressProvider(), m_job_name(job_name) {};
+
+	bool addJavaCheckerAction(JavaCheckerPtr base)
+	{
+		javacheckers.append(base);
+		total_progress++;
+		// if this is already running, the action needs to be started right away!
+		if (isRunning())
+		{
+			emit progress(current_progress, total_progress);
+			connect(base.get(), SIGNAL(checkFinished(JavaCheckResult)), SLOT(partFinished(JavaCheckResult)));
+
+			base->performCheck();
+		}
+		return true;
+	}
+
+	JavaCheckerPtr operator[](int index)
+	{
+		return javacheckers[index];
+	}
+	;
+	JavaCheckerPtr first()
+	{
+		if (javacheckers.size())
+			return javacheckers[0];
+		return JavaCheckerPtr();
+	}
+	int size() const
+	{
+		return javacheckers.size();
+	}
+	virtual void getProgress(qint64 &current, qint64 &total)
+	{
+		current = current_progress;
+		total = total_progress;
+	}
+	;
+	virtual QString getStatus() const
+	{
+		return m_job_name;
+	}
+	;
+	virtual bool isRunning() const
+	{
+		return m_running;
+	}
+	;
+
+signals:
+	void started();
+	void progress(int current, int total);
+	void finished(QList<JavaCheckResult>);
+public
+slots:
+	virtual void start();
+	// FIXME: implement
+	virtual void abort() {};
+private
+slots:
+	void partFinished(JavaCheckResult result);
+
+private:
+	QString m_job_name;
+	QList<JavaCheckerPtr> javacheckers;
+	QList<JavaCheckResult> javaresults;
+	qint64 current_progress = 0;
+	qint64 total_progress = 0;
+	int num_finished = 0;
+	bool m_running = false;
+};