1 files changed, 133 insertions, 0 deletions
diff --git a/src/modules/my/idle.cpp b/src/modules/my/idle.cpp
new file mode 100644
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+++ b/src/modules/my/idle.cpp
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+/*
+ * idle.cpp - detect desktop idle time
+ * Copyright (C) 2003  Justin Karneges
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include"idle.h"
+
+#include<qcursor.h>
+#include<qdatetime.h>
+#include<qtimer.h>
+
+static IdlePlatform *platform = 0;
+static int platform_ref = 0;
+
+
+Idle::Idle()
+{
+	d = new Private;
+	d->active = false;
+	d->idleTime = 0;
+
+	// try to use platform idle
+	if(!platform) {
+		IdlePlatform *p = new IdlePlatform;
+		if(p->init())
+			platform = p;
+		else
+			delete p;
+	}
+	if(platform)
+		++platform_ref;
+
+	connect(&d->checkTimer, SIGNAL(timeout()), SLOT(doCheck()));
+}
+
+Idle::~Idle()
+{
+	if(platform) {
+		--platform_ref;
+		if(platform_ref == 0) {
+			delete platform;
+			platform = 0;
+		}
+	}
+	delete d;
+}
+
+bool Idle::isActive() const
+{
+	return d->active;
+}
+
+bool Idle::usingPlatform() const
+{
+	return (platform ? true: false);
+}
+
+void Idle::start()
+{
+	d->startTime = QDateTime::currentDateTime();
+
+	if(!platform) {
+		// generic idle
+		d->lastMousePos = QCursor::pos();
+		d->idleSince = QDateTime::currentDateTime();
+	}
+
+	// poll every second (use a lower value if you need more accuracy)
+	d->checkTimer.start(1000);
+}
+
+void Idle::stop()
+{
+	d->checkTimer.stop();
+}
+
+int Idle::secondsIdle()
+{
+	int i;
+	if(platform)
+		i = platform->secondsIdle();
+	else {
+		QPoint curMousePos = QCursor::pos();
+		QDateTime curDateTime = QDateTime::currentDateTime();
+		if(d->lastMousePos != curMousePos) {
+			d->lastMousePos = curMousePos;
+			d->idleSince = curDateTime;
+		}
+		i = d->idleSince.secsTo(curDateTime);
+	}
+
+	// set 'beginIdle' to the beginning of the idle time (by backtracking 'i' seconds from now)
+	QDateTime beginIdle = QDateTime::currentDateTime().addSecs(-i);
+
+	// set 't' to hold the number of seconds between 'beginIdle' and 'startTime'
+	int t = beginIdle.secsTo(d->startTime);
+
+	// beginIdle later than (or equal to) startTime?
+	if(t <= 0) {
+		// scoot ourselves up to the new idle start
+		d->startTime = beginIdle;
+	}
+	// beginIdle earlier than startTime?
+	else if(t > 0) {
+		// do nothing
+	}
+
+	// how long have we been idle?
+	int idleTime = d->startTime.secsTo(QDateTime::currentDateTime());
+	return idleTime;
+}
+
+void Idle::doCheck()
+{
+	secondsIdle(secondsIdle());
+}
+
+#include "idle.moc"