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ScreenPlayX.h

Go to the documentation of this file.

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/*******************************************************************************
 *
 * Application: Investigator's Dashboard (MultimediaN project 6)
 * 
 * Screen: Play
 *
 * Primary author(s): Ork
 *                  : Richard van Balen (Restruktured)
 *                  : 
 ******************************************************************************/

#ifndef Impala_Application_IDash_ScreenPlay_h
#define Impala_Application_IDash_ScreenPlay_h

#include "Core/VideoSet/SegmentationDocument.h"
#include "OglGui/CheckBox.h"
#include "NfiSixViewControl.h"
#include "ScreenBase.h"

#ifdef OGL_USING_QT
using namespace OglGui;
#endif

namespace Impala {
namespace Application {
namespace IDash {

class ScreenPlay : public ScreenBase,
                   public OglGui::CheckBoxListener
{
public:
    typedef Core::VideoSet::SegmentationDocument    SegmentationDocument;
    typedef Core::VideoSet::VideoSet                VideoSet;

    ScreenPlay(int w, int h, SegmentationDocument* segDoc) :
        ScreenBase(w, h) 
    {
        InitScreen(w,h,segDoc);
    }

    ScreenPlay(OglGui::Window *parent, int w, int h,
               SegmentationDocument* segDoc) :
        ScreenBase(parent, w, h)
    {
        InitScreen(w,h,segDoc);
    }

    ScreenPlay(OglGui::Window *parent, SegmentationDocument* segDoc) :
        ScreenBase(parent)
    {
        InitScreen(parent->W(), parent->H(), segDoc);
    }

    virtual void HandleActivate()
    {
        ILOG_INFO("HandleActivate");
        int curFile = mSegDoc->CurFileId();
        int curShot = mSegDoc->CurShot();
        PlayFile(curFile);
    }

    virtual void
    PlayFile(int videoID)
    {
        ILOG_DEBUG("PlayFileEvent: video ID = " << videoID);
        if (videoID != mVideoId)
        {
            mVideoId = videoID;
            VideoSet* vidSet = mSegDoc->GetSegmentation()->GetVideoSet();
            String videoName = FileNameTail(vidSet->GetFile(videoID));

            mNfiSixView->SetVideo(vidSet,videoID);

            std::ostringstream o;
            o << "Video: " << videoID << " [" << videoName << "]";
            if (!mNfiSixView->OpenVideo())
            {
                o << " can not be played in 6 parts";
                mVideoId = -1;
            }
            mVideoLabel->SetText(o.str());
        }
        if (mVideoId != -1)
        {
            mNfiSixView->Rewind();
            mNfiSixView->Play();
        }
    }

    // handlers:
    virtual void
    CheckBoxEvent(OglGui::CheckBox *src, bool checked, void* userData)
    {
        if (userData == (void*) CHECK_LOOPVIDEO)
            mNfiSixView->SetLoopVideo(checked);
    }

private:
    void
    InitScreen(int w, int h, SegmentationDocument* segDoc)
    {
        ILOG_DEBUG("constructing screen Play");
        mSegDoc  = segDoc;
        mVideoId = -1;

        mVideoLabel = new StaticText(this,0,h-80,w,80,"No video loaded");
        SetAsBox(mVideoLabel,false);
        mVideoLabel->ConnectTo(this, L2L|R2R|T2T|B2T);

        Window *footer = new Window(this,0,0,w,80);
        new Strut(footer,4000,1);
        new Strut(footer,40,1);
        mNfiSixViewControl = new NfiSixViewControl(footer,600,60,0);
        new Strut(footer, 100, 20);
        //mHasFile = false;

        CheckBox* cBox =
            new CheckBox(footer,180,60,"Loop Video",false,BEV_ETCHED);
        cBox->SetCheckBoxListener(this, CHECK_LOOPVIDEO);

        footer->RepositionViewports();
        footer->ScaleChildren();
        footer->ConnectTo(this,L2L|R2R|T2B|B2B);
        SetAsBox(footer,false);

        //start sixvid window
        mNfiSixView = new NfiSixView(this,0,80,w,h-160);
        mNfiSixView->SetLoopVideo(false);
        mNfiSixView->ConnectTo(this);
        SetAsBox(mNfiSixView,false);

        mNfiSixViewControl->SetNfiSixView(mNfiSixView);

        // Since we handle dynamic layout already
        SetAllowChildScaling(false);
    }

    SegmentationDocument*   mSegDoc;
    NfiSixView*             mNfiSixView;
    NfiSixViewControl*      mNfiSixViewControl;
    StaticText*             mVideoLabel;

    //bool                    mHasFile;
    int                     mVideoId;

    const static int        CHECK_LOOPVIDEO   = 1;

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(ScreenPlay, Application.IDash);

}
}
}

#endif

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