bool SystemSuspendPrivate::suspendSystem()
{
if(!handlersValid) {
handlers = qtopiaTasks<SystemSuspendHandler>();
handlersValid = true;
for(int ii = 0; ii < handlers.count(); ++ii) {
QObject::connect(handlers.at(ii), SIGNAL(operationCompleted()),
this, SLOT(operationCompleted()));
}
}
// Check can suspend
for(int ii = handlers.count(); ii > 0; --ii) {
if(!handlers.at(ii - 1)->canSuspend()) {
emit systemSuspendCanceled();
return false;
}
}
// abort suspension if we see an input event
inputEvent = false;
// Do suspend
emit systemSuspending();
for(int ii = handlers.count(); ii > 0; --ii) {
waitingOn = handlers.at(ii - 1);
if(!waitingOn->suspend()) {
while(waitingOn)
QApplication::instance()->processEvents(QEventLoop::AllEvents | QEventLoop::WaitForMoreEvents);
if (inputEvent)
break;
} else {
waitingOn = 0;
}
}
// Do wakeup
emit systemWaking();
for(int ii = 0; ii < handlers.count(); ++ii) {
waitingOn = handlers.at(ii);
if(!waitingOn->wake()) {
while(waitingOn)
QApplication::instance()->processEvents(QEventLoop::AllEvents | QEventLoop::WaitForMoreEvents);
} else {
waitingOn = 0;
}
}
// Done
emit systemActive();
return true;
}
bool SystemSuspendPrivate::suspendSystem()
{
if(!handlersValid) {
handlers = qtopiaTasks<SystemSuspendHandler>();
handlersValid = true;
for(int ii = 0; ii < handlers.count(); ++ii) {
QObject::connect(handlers.at(ii), SIGNAL(operationCompleted()),
this, SLOT(operationCompleted()));
}
}
// Check can suspend
for(int ii = handlers.count(); ii > 0; --ii) {
qLog(PowerManagement) << handlers.at(ii - 1) << "checking whether canSuspend...";
if(!handlers.at(ii - 1)->canSuspend()) {
qLog(PowerManagement) << " ...refused, canceling suspend";
emit systemSuspendCanceled();
return false;
}
}
// abort suspension if we see an input event
inputEvent = false;
// Do suspend
emit systemSuspending();
for(int ii = handlers.count(); ii > 0; --ii) {
waitingOn = handlers.at(ii - 1);
qLog(PowerManagement) << waitingOn << "suspending...";
if(!waitingOn->suspend()) {
qLog(PowerManagement) << " ...waiting for completion...";
while(waitingOn) {
QApplication::instance()->processEvents(QEventLoop::AllEvents |
QEventLoop::WaitForMoreEvents);
//qLog(PowerManagement) << " ...processEvents done";
}
if (inputEvent) {
qLog(PowerManagement) << "canceling suspend on inputevent";
break;
}
} else {
waitingOn = 0;
}
}
// Do wakeup
emit systemWaking();
for(int ii = 0; ii < handlers.count(); ++ii) {
waitingOn = handlers.at(ii);
qLog(PowerManagement) << handlers.at(ii) << "waking up...";
if(!waitingOn->wake()) {
qLog(PowerManagement) << " ...waiting for completion...";
while(waitingOn)
QApplication::instance()->processEvents(QEventLoop::AllEvents |
QEventLoop::WaitForMoreEvents);
} else {
waitingOn = 0;
}
}
// Done
emit systemActive();
return true;
}