1 files changed, 185 insertions, 0 deletions
diff --git a/kdesktop/screensaverInterfaceImpl.cpp b/kdesktop/screensaverInterfaceImpl.cpp
new file mode 100644
index 000000000..4f05a8391
--- /dev/null
+++ b/kdesktop/screensaverInterfaceImpl.cpp
@@ -0,0 +1,185 @@
+/*
+ * screensaverInterfaceImpl.cpp
+ *
+ *
+ *  (C) 2024 Emanoil Kotsev
+ *  deloptes (AT) gmail.com
+ *
+ * tdebase Copyright (C) 2009 tdebase development team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "screensaverInterfaceImpl.h"
+
+ScreenSaverInterfaceImpl::ScreenSaverInterfaceImpl(TQT_DBusConnection &conn) :
+        m_connection(&conn),
+        m_ccount(1),
+        m_kdesktopdcoprefobj("kdesktop", "KScreensaverIface")
+{
+    isScreenSaverEnabled  = screenSaverIsEnabled();
+    tqDebug(TQString("ScreenSaver isEnabled = %1").arg((isScreenSaverEnabled)?"yes":"no"));
+}
+
+ScreenSaverInterfaceImpl::~ScreenSaverInterfaceImpl()
+{
+}
+
+void ScreenSaverInterfaceImpl::restoreState()
+{
+    // restore the state
+    forceScreenSaver(isScreenSaverEnabled);
+}
+
+/*!
+ * Implement virtual methods
+ *
+ */
+void ScreenSaverInterfaceImpl::handleMethodReply(const TQT_DBusMessage& reply)
+{
+    m_connection->send(reply);
+}
+
+bool ScreenSaverInterfaceImpl::handleSignalSend(const TQT_DBusMessage& reply)
+{
+    return true;
+}
+
+TQString ScreenSaverInterfaceImpl::objectPath() const
+{
+    return TQString(DBUS_SCREENSAVER_SERVICE_PATH);
+}
+
+bool ScreenSaverInterfaceImpl::Lock(TQT_DBusError& dbuserror) {
+
+    DCOPReply reply = m_kdesktopdcoprefobj.call("lock");
+    if (!reply.isValid())
+    {
+        TQString e("ScreenSaverInterfaceImpl::Lock: there was some error using DCOP.");
+        tqDebug(e);
+        dbuserror = TQT_DBusError::stdFailed(e);
+        return false;
+    }
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::SimulateUserActivity(TQT_DBusError& dbuserror) {
+    tqDebug("SimulateUserActivity not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::GetActive(bool& arg0, TQT_DBusError& dbuserror) {
+    tqDebug("GetActive not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::GetActiveTime(TQ_UINT32& seconds, TQT_DBusError& dbuserror) {
+    tqDebug("GetActiveTime not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::GetSessionIdleTime(TQ_UINT32& seconds, TQT_DBusError& dbuserror) {
+    tqDebug("GetSessionIdleTime not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::SetActive(bool& arg0, bool e, TQT_DBusError& dbuserror) {
+    tqDebug("SetActive not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::Inhibit(const TQString& application_name, const TQString& reason_for_inhibit, TQ_UINT32& cookie, TQT_DBusError& dbuserror) {
+
+    //this is to make sure we have the actual state - it could have been changed meanwhile
+    isScreenSaverEnabled = screenSaverIsEnabled();
+    if (isScreenSaverEnabled && m_cookies.isEmpty()) // disable only once
+    {
+        if (!forceScreenSaver(false))
+        {
+            dbuserror = TQT_DBusError::stdFailed(TQString("Failed to disable the screen saver"));
+        }
+    }
+
+    cookie=m_ccount++;
+    ScreenSaverInterfaceImpl::Pair v;
+    v.name = application_name;
+    v.value = reason_for_inhibit;
+    m_cookies[cookie] = v;
+    tqDebug(TQString("Inhibit: cookie(%1), application(%2), reason(%3)")
+            .arg(cookie)
+            .arg(m_cookies[cookie].name)
+            .arg(m_cookies[cookie].value).local8Bit());
+
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::UnInhibit(TQ_UINT32 cookie, TQT_DBusError& dbuserror) {
+    tqDebug(TQString("UnInhibit: cookie(%1), application(%2), reason(%3)")
+            .arg(cookie)
+            .arg(m_cookies[cookie].name)
+            .arg(m_cookies[cookie].value).local8Bit());
+
+    m_cookies.remove(cookie);
+    if (m_cookies.isEmpty())
+    {
+        // restore states when all applications finished
+        if (!forceScreenSaver(isScreenSaverEnabled))
+        {
+            dbuserror = TQT_DBusError::stdFailed(TQString("Failed to switch ScreenSaver %1!").arg(
+                    (isScreenSaverEnabled) ? "on" : "off"));
+        }
+    }
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::Throttle(const TQString& application_name, const TQString& reason_for_inhibit, TQ_UINT32& cookie, TQT_DBusError& dbuserror) {
+    tqDebug("Throttle not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::UnThrottle(TQ_UINT32 cookie, TQT_DBusError& dbuserror) {
+    tqDebug("UnThrottle not implemented");
+    return true;
+}
+
+bool ScreenSaverInterfaceImpl::screenSaverIsEnabled()
+{
+    DCOPReply reply = m_kdesktopdcoprefobj.call("isEnabled");
+    bool on = false;
+    if (!reply.isValid())
+    {
+        tqDebug("ScreenSaverInterfaceImpl::screenSaverIsEnabled(): there was some error using DCOP.");
+    }
+    else
+    {
+        if (!reply.get(on))
+        {
+            tqDebug("ScreenSaverInterfaceImpl::screenSaverIsEnabled(): there was some error getting the value from DCOPReply");
+        }
+    }
+    return on;
+}
+
+bool ScreenSaverInterfaceImpl::forceScreenSaver(bool on)
+{
+    DCOPReply reply = m_kdesktopdcoprefobj.call("enable", on);
+    if (!reply.isValid())
+    {
+        tqDebug(TQString("Failed to switch ScreenSaver %1!").arg((on) ? "on" : "off"));
+        return false;
+    }
+    return true;
+}
+// End of File