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/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "GUIDialogBusy.h"
#include "guilib/GUIProgressControl.h"
#include "guilib/GUIWindowManager.h"
#include "threads/Thread.h"
#define PROGRESS_CONTROL 10
class CBusyWaiter : public CThread
{
boost::shared_ptr<CEvent> m_done;
public:
CBusyWaiter(IRunnable *runnable) : CThread(runnable, "waiting"), m_done(new CEvent()) { }
bool Wait()
{
boost::shared_ptr<CEvent> e_done(m_done);
Create();
return CGUIDialogBusy::WaitOnEvent(*e_done);
}
// 'this' is actually deleted from the thread where it's on the stack
virtual void Process()
{
boost::shared_ptr<CEvent> e_done(m_done);
CThread::Process();
(*e_done).Set();
}
};
bool CGUIDialogBusy::Wait(IRunnable *runnable)
{
if (!runnable)
return false;
CBusyWaiter waiter(runnable);
return waiter.Wait();
}
bool CGUIDialogBusy::WaitOnEvent(CEvent &event, unsigned int displaytime /* = 100 */, bool allowCancel /* = true */)
{
bool cancelled = false;
if (!event.WaitMSec(displaytime))
{
// throw up the progress
CGUIDialogBusy* dialog = (CGUIDialogBusy*)g_windowManager.GetWindow(WINDOW_DIALOG_BUSY);
if (dialog)
{
dialog->Show();
while(!event.WaitMSec(1))
{
g_windowManager.ProcessRenderLoop(false);
if (allowCancel && dialog->IsCanceled())
{
cancelled = true;
break;
}
}
dialog->Close();
}
}
return !cancelled;
}
CGUIDialogBusy::CGUIDialogBusy(void)
: CGUIDialog(WINDOW_DIALOG_BUSY, "DialogBusy.xml"), m_bLastVisible(false)
{
m_loadType = LOAD_ON_GUI_INIT;
m_bModal = true;
m_progress = 0;
}
CGUIDialogBusy::~CGUIDialogBusy(void)
{
}
void CGUIDialogBusy::Show_Internal()
{
m_bCanceled = false;
m_active = true;
m_bModal = true;
m_bLastVisible = true;
m_closing = false;
m_progress = 0;
g_windowManager.RouteToWindow(this);
// active this window...
CGUIMessage msg(GUI_MSG_WINDOW_INIT, 0, 0);
OnMessage(msg);
}
void CGUIDialogBusy::DoProcess(unsigned int currentTime, CDirtyRegionList &dirtyregions)
{
bool visible = g_windowManager.GetTopMostModalDialogID() == WINDOW_DIALOG_BUSY;
if(!visible && m_bLastVisible)
dirtyregions.push_back(m_renderRegion);
m_bLastVisible = visible;
// update the progress control if available
const CGUIControl *control = GetControl(PROGRESS_CONTROL);
if (control && control->GetControlType() == CGUIControl::GUICONTROL_PROGRESS)
{
CGUIProgressControl *progress = (CGUIProgressControl *)control;
progress->SetPercentage(m_progress);
progress->SetVisible(m_progress > 0);
}
CGUIDialog::DoProcess(currentTime, dirtyregions);
}
void CGUIDialogBusy::Render()
{
if(!m_bLastVisible)
return;
CGUIDialog::Render();
}
bool CGUIDialogBusy::OnBack(int actionID)
{
m_bCanceled = true;
return true;
}
void CGUIDialogBusy::SetProgress(float percent)
{
m_progress = percent;
}
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