Remove polling from JobManagerView and use signals instead (fixes #137).
authorCarl Hetherington <cth@carlh.net>
Sat, 20 Jul 2013 22:57:23 +0000 (23:57 +0100)
committerCarl Hetherington <cth@carlh.net>
Sat, 20 Jul 2013 22:57:23 +0000 (23:57 +0100)
src/lib/job.cc
src/lib/job.h
src/lib/job_manager.cc
src/lib/job_manager.h
src/wx/job_manager_view.cc
src/wx/job_manager_view.h

index 5d8a68ec0af132b9a1b8143e6af52642fadfb9c2..18df40878f8feafae345fa64786be06d51e0ecaf 100644 (file)
@@ -215,6 +215,10 @@ Job::set_progress (float p)
        if (paused ()) {
                dcpomatic_sleep (1);
        }
+
+       if (ui_signaller) {
+               ui_signaller->emit (boost::bind (boost::ref (Progress)));
+       }
 }
 
 /** @return fractional overall progress, or -1 if not known */
index 716b0c5c62ae8fe4119d155d6b55a77b0772f6dd..343d400958b0864caa46d9cbf2226e3c3ece5cbd 100644 (file)
@@ -71,6 +71,7 @@ public:
        void descend (float);
        float overall_progress () const;
 
+       boost::signals2::signal<void()> Progress;
        /** Emitted from the UI thread when the job is finished */
        boost::signals2::signal<void()> Finished;
 
index 2d216dacb947e58c45b3fd6391858d59f9869dae..95961c3fcd99bb468c648adadde387fc3150c9f3 100644 (file)
@@ -31,6 +31,7 @@
 using std::string;
 using std::list;
 using boost::shared_ptr;
+using boost::weak_ptr;
 
 JobManager* JobManager::_instance = 0;
 
@@ -43,8 +44,15 @@ JobManager::JobManager ()
 shared_ptr<Job>
 JobManager::add (shared_ptr<Job> j)
 {
-       boost::mutex::scoped_lock lm (_mutex);
-       _jobs.push_back (j);
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _jobs.push_back (j);
+       }
+
+       if (ui_signaller) {
+               ui_signaller->emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (j)));
+       }
+       
        return j;
 }
 
index 7d58dcfe6d4464af6f669971f12f48dbbedfb870..0040568c66a5958bb497b86e83e92deba10655da 100644 (file)
@@ -39,6 +39,7 @@ public:
        bool work_to_do () const;
        bool errors () const;
 
+       boost::signals2::signal<void (boost::weak_ptr<Job>)> JobAdded;
        boost::signals2::signal<void (bool)> ActiveJobsChanged;
 
        static JobManager* instance ();
index b5c66bd3ed5740f74136b29a49195b56e5543f8e..dffe3a90a3e7d4b9f74cdab9c67c3f57429a546d 100644 (file)
@@ -32,6 +32,7 @@ using std::string;
 using std::list;
 using std::map;
 using boost::shared_ptr;
+using boost::weak_ptr;
 
 /** Must be called in the GUI thread */
 JobManagerView::JobManagerView (wxWindow* parent, Buttons buttons)
@@ -54,115 +55,110 @@ JobManagerView::JobManagerView (wxWindow* parent, Buttons buttons)
 
        SetScrollRate (0, 32);
 
-       Connect (wxID_ANY, wxEVT_TIMER, wxTimerEventHandler (JobManagerView::periodic), 0, this);
-       _timer.reset (new wxTimer (this));
-       _timer->Start (1000);
-
-       update ();
+       JobManager::instance()->JobAdded.connect (bind (&JobManagerView::job_added, this, _1));
 }
 
 void
-JobManagerView::periodic (wxTimerEvent &)
+JobManagerView::job_added (weak_ptr<Job> j)
 {
-       update ();
+       shared_ptr<Job> job = j.lock ();
+       if (!job) {
+               return;
+       }
+
+       wxStaticText* m = new wxStaticText (_panel, wxID_ANY, std_to_wx (job->name ()));
+       _table->Insert (0, m, 0, wxALIGN_CENTER_VERTICAL | wxALL, 6);
+       
+       JobRecord r;
+       int n = 1;
+       r.scroll_nudged = false;
+       r.gauge = new wxGauge (_panel, wxID_ANY, 100);
+       _table->Insert (n, r.gauge, 1, wxEXPAND | wxLEFT | wxRIGHT);
+       ++n;
+       
+       r.message = new wxStaticText (_panel, wxID_ANY, std_to_wx (""));
+       _table->Insert (n, r.message, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
+       ++n;
+       
+       r.cancel = new wxButton (_panel, wxID_ANY, _("Cancel"));
+       r.cancel->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::cancel_clicked), 0, this);
+       _table->Insert (n, r.cancel, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
+       ++n;
+       
+       if (_buttons & PAUSE) {
+               r.pause = new wxButton (_panel, wxID_ANY, _("Pause"));
+               r.pause->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::pause_clicked), 0, this);
+               _table->Insert (n, r.pause, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
+               ++n;
+       }
+       
+       r.details = new wxButton (_panel, wxID_ANY, _("Details..."));
+       r.details->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::details_clicked), 0, this);
+       r.details->Enable (false);
+       _table->Insert (n, r.details, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
+       ++n;
+       
+       _job_records[job] = r;
+
+       job->Progress.connect (bind (&JobManagerView::progress, this, j));
+       job->Progress.connect (bind (&JobManagerView::finished, this, j));
+       
+       _table->Layout ();
+       FitInside ();
 }
 
-/** Update the view by examining the state of each job.
- *  Must be called in the GUI thread.
- */
 void
-JobManagerView::update ()
+JobManagerView::progress (weak_ptr<Job> j)
 {
-       list<shared_ptr<Job> > jobs = JobManager::instance()->get ();
+       shared_ptr<Job> job = j.lock ();
+       if (!job) {
+               return;
+       }
 
-       int index = 0;
+       float const p = job->overall_progress ();
+       if (p >= 0) {
+               checked_set (_job_records[job].message, job->status ());
+               _job_records[job].gauge->SetValue (p * 100);
+       } else {
+               checked_set (_job_records[job].message, wx_to_std (_("Running")));
+               _job_records[job].gauge->Pulse ();
+       }
 
-       for (list<shared_ptr<Job> >::iterator i = jobs.begin(); i != jobs.end(); ++i) {
+       if (!_job_records[job].scroll_nudged && (job->running () || job->finished())) {
+               int x, y;
+               _job_records[job].gauge->GetPosition (&x, &y);
+               int px, py;
+               GetScrollPixelsPerUnit (&px, &py);
+               int vx, vy;
+               GetViewStart (&vx, &vy);
+               int sx, sy;
+               GetClientSize (&sx, &sy);
                
-               if (_job_records.find (*i) == _job_records.end ()) {
-                       wxStaticText* m = new wxStaticText (_panel, wxID_ANY, std_to_wx ((*i)->name ()));
-                       _table->Insert (index, m, 0, wxALIGN_CENTER_VERTICAL | wxALL, 6);
-                       
-                       JobRecord r;
-                       int n = 1;
-                       r.finalised = false;
-                       r.scroll_nudged = false;
-                       r.gauge = new wxGauge (_panel, wxID_ANY, 100);
-                       _table->Insert (index + n, r.gauge, 1, wxEXPAND | wxLEFT | wxRIGHT);
-                       ++n;
-                       
-                       r.message = new wxStaticText (_panel, wxID_ANY, std_to_wx (""));
-                       _table->Insert (index + n, r.message, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
-                       ++n;
-
-                       r.cancel = new wxButton (_panel, wxID_ANY, _("Cancel"));
-                       r.cancel->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::cancel_clicked), 0, this);
-                       _table->Insert (index + n, r.cancel, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
-                       ++n;
-
-                       if (_buttons & PAUSE) {
-                               r.pause = new wxButton (_panel, wxID_ANY, _("Pause"));
-                               r.pause->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::pause_clicked), 0, this);
-                               _table->Insert (index + n, r.pause, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
-                               ++n;
-                       }
-                       
-                       r.details = new wxButton (_panel, wxID_ANY, _("Details..."));
-                       r.details->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (JobManagerView::details_clicked), 0, this);
-                       r.details->Enable (false);
-                       _table->Insert (index + n, r.details, 1, wxALIGN_CENTER_VERTICAL | wxALL, 6);
-                       ++n;
-                       
-                       _job_records[*i] = r;
-
-               }
-
-               string const st = (*i)->status ();
-
-               if (!(*i)->finished ()) {
-                       float const p = (*i)->overall_progress ();
-                       if (p >= 0) {
-                               checked_set (_job_records[*i].message, st);
-                               _job_records[*i].gauge->SetValue (p * 100);
-                       } else {
-                               checked_set (_job_records[*i].message, wx_to_std (_("Running")));
-                               _job_records[*i].gauge->Pulse ();
-                       }
-
+               if (y > (vy * py + sy / 2)) {
+                       Scroll (-1, y / py);
+                       _job_records[job].scroll_nudged = true;
                }
+       }
 
-               if (!_job_records[*i].scroll_nudged && ((*i)->running () || (*i)->finished())) {
-                       int x, y;
-                       _job_records[*i].gauge->GetPosition (&x, &y);
-                       int px, py;
-                       GetScrollPixelsPerUnit (&px, &py);
-                       int vx, vy;
-                       GetViewStart (&vx, &vy);
-                       int sx, sy;
-                       GetClientSize (&sx, &sy);
-
-                       if (y > (vy * py + sy / 2)) {
-                               Scroll (-1, y / py);
-                               _job_records[*i].scroll_nudged = true;
-                       }
-               }
-                       
-               if ((*i)->finished() && !_job_records[*i].finalised) {
-                       checked_set (_job_records[*i].message, st);
-                       if (!(*i)->finished_cancelled()) {
-                               _job_records[*i].gauge->SetValue (100);
-                       }
-                       _job_records[*i].finalised = true;
-                       _job_records[*i].cancel->Enable (false);
-                       if (!(*i)->error_details().empty ()) {
-                               _job_records[*i].details->Enable (true);
-                       }
-               }
+       _table->Layout ();
+       FitInside ();
+}
 
-               index += 5;
-               if (_buttons & PAUSE) {
-                       ++index;
-               }
+void
+JobManagerView::finished (weak_ptr<Job> j)
+{
+       shared_ptr<Job> job = j.lock ();
+       if (!job) {
+               return;
+       }
+       
+       checked_set (_job_records[job].message, job->status ());
+       if (!job->finished_cancelled ()) {
+               _job_records[job].gauge->SetValue (100);
+       }
+       _job_records[job].cancel->Enable (false);
+       if (!job->error_details().empty ()) {
+               _job_records[job].details->Enable (true);
        }
 
        _table->Layout ();
index 3d1ad30c07f60e60a53d4473b374fe7d82c13f39..e3d885f94884bf95e86e20089c7f7d3a84925316 100644 (file)
@@ -39,15 +39,15 @@ public:
                
        JobManagerView (wxWindow *, Buttons);
 
-       void update ();
-
 private:
-       void periodic (wxTimerEvent &);
        void cancel_clicked (wxCommandEvent &);
        void pause_clicked (wxCommandEvent &);
        void details_clicked (wxCommandEvent &);
 
-       boost::shared_ptr<wxTimer> _timer;
+       void job_added (boost::weak_ptr<Job>);
+       void progress (boost::weak_ptr<Job>);
+       void finished (boost::weak_ptr<Job>);
+
        wxPanel* _panel;
        wxFlexGridSizer* _table;
        struct JobRecord {
@@ -56,7 +56,6 @@ private:
                wxButton* cancel;
                wxButton* pause;
                wxButton* details;
-               bool finalised;
                bool scroll_nudged;
        };