/*  PCSX2 - PS2 Emulator for PCs
 *  Copyright (C) 2002-2010  PCSX2 Dev Team
 *
 *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License as published by the Free Software Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  PCSX2 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 PCSX2.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#include "common/ThreadingDialogs.h"
#include "common/pxStaticText.h"

using namespace pxSizerFlags;

wxDEFINE_EVENT(pxEvt_ThreadedTaskComplete, wxCommandEvent);

// --------------------------------------------------------------------------------------
//  WaitForTaskDialog Implementations
// --------------------------------------------------------------------------------------
wxIMPLEMENT_DYNAMIC_CLASS(WaitForTaskDialog, wxDialogWithHelpers);

Threading::WaitForTaskDialog::WaitForTaskDialog(const wxString &title, const wxString &heading)
    : wxDialogWithHelpers(NULL, _("Waiting for tasks..."))
//, m_Timer(this)
{
    SetMinWidth(300);

    //m_sem	= sem;
    //m_mutex	= mutex;

    wxString m_title(title);
    wxString m_heading(heading);

    if (m_title.IsEmpty())
        m_title = _("Waiting for task...");
    if (m_heading.IsEmpty())
        m_heading = m_title;

    Bind(pxEvt_ThreadedTaskComplete, &WaitForTaskDialog::OnTaskComplete, this);

    *this += 12;
    *this += Heading(m_heading).Unwrapped() | StdExpand();
    *this += 12;

    // TODO : Implement a cancel button.  Not quite sure the best way to do
    // that, since it requires a thread or event handler context, or something.

    //applyDlg += new wxButton( &applyDlg, wxID_CANCEL )	| pxCenter;
    //applyDlg += 6;

    //Bind(wxEVT_TIMER, &WaitForTaskDialog::OnTimer, this, m_Timer.GetId());
    //m_Timer.Start( 200 );
    //GetSysExecutorThread().PostEvent( new SysExecEvent_ApplyPlugins( this, m_sync ) );
}

void Threading::WaitForTaskDialog::OnTaskComplete(wxCommandEvent &evt)
{
    evt.Skip();

    // Note: we don't throw exceptions from the pending task here.
    // Instead we wait until we exit the modal loop below -- this gives
    // the caller a chance to handle the exception themselves, and if
    // not the exception will still fall back on the standard app-level
    // exception handler.

    // (this also avoids any sticky business with the modal dialog not getting
    // closed out right due to stack unwinding skipping dialog closure crap)

    m_sync.WaitForResult_NoExceptions();
    EndModal(wxID_OK);
}

int Threading::WaitForTaskDialog::ShowModal()
{
    int result = _parent::ShowModal();
    m_sync.RethrowException();
    return result;
}