void SignalThread::OnMessage(Message *msg) {
EnterExit ee(this);
if (ST_MSG_WORKER_DONE == msg->message_id) {
ASSERT(main_->IsCurrent());
OnWorkDone();
bool do_delete = false;
if (kRunning == state_) {
state_ = kComplete;
} else {
do_delete = true;
}
if (kStopping != state_) {
// Before signaling that the work is done, make sure that the worker
// thread actually is done. We got here because DoWork() finished and
// Run() posted the ST_MSG_WORKER_DONE message. This means the worker
// thread is about to go away anyway, but sometimes it doesn't actually
// finish before SignalWorkDone is processed, and for a reusable
// SignalThread this makes an assert in thread.cc fire.
//
// Calling Stop() on the worker ensures that the OS thread that underlies
// the worker will finish, and will be set to NULL, enabling us to call
// Start() again.
worker_.Stop();
SignalWorkDone(this);
}
if (do_delete) {
refcount_--;
}
}
}
void ImageExtractor::InitConnection()
{
connect(ui.btnBrowseOutputPath, SIGNAL(clicked()), this, SLOT(OnBtnBrowseOutputPathClicked()));
connect(ui.btnStart, SIGNAL(clicked()), this, SLOT(OnBtnStartClicked()));
connect(ui.cmbTask, SIGNAL(currentIndexChanged(int)), this, SLOT(OnParameterChanged()));
connect(ui.btnCustomOutputPath, SIGNAL(clicked()), this, SLOT(OnParameterChanged()));
connect(ui.btnExtractFile, SIGNAL(clicked()), this, SLOT(OnParameterChanged()));
connect(ui.btnExtractImageFile, SIGNAL(clicked()), this, SLOT(OnParameterChanged()));
connect(ui.btnMergeImage, SIGNAL(clicked()), this, SLOT(OnParameterChanged()));
m_workThread = new WorkThread;
connect(m_workThread, SIGNAL(emitStatus(QString)), this, SLOT(OnEmitWorkStatus(QString)));
connect(m_workThread, SIGNAL(emitProcess(int)), this, SLOT(OnEmitWorkProcess(int)));
connect(m_workThread, SIGNAL(emitInformation(QString)), this, SLOT(OnEmitWorkInformation(QString)));
connect(m_workThread, SIGNAL(finished()), this, SLOT(OnWorkDone()));
}
