#include "displaytracks.h"
#include "flat.h"

cFlatDisplayTracks::cFlatDisplayTracks(const char *Title, int NumTracks, const char * const *Tracks) {

    CreateFullOsd();
    TopBarCreate();

    img_ac3 = imgLoader.LoadIcon("tracks_ac3", 999, fontHeight);
    img_stereo = imgLoader.LoadIcon("tracks_stereo", 999, fontHeight);

    ac3Width = stereoWidth = 0;
    if( img_ac3 )
        ac3Width = img_ac3->Width();
    if( img_stereo )
        stereoWidth = img_stereo->Width();
        
    int imgWidthMax = max(ac3Width, stereoWidth);
    itemHeight = fontHeight + Config.MenuItemPadding + Config.decorBorderTrackSize*2;
    currentIndex = -1;
    maxItemWidth = font->Width(Title) + marginItem*2;
    for (int i = 0; i < NumTracks; i++)
        maxItemWidth = max(maxItemWidth, font->Width(Tracks[i]) + marginItem*2);
    
    int headerWidth = font->Width(tr("Audio Tracks")) + font->Width(" ") + imgWidthMax;
    maxItemWidth = max(maxItemWidth, headerWidth);
    
    itemsHeight = (NumTracks+1) * itemHeight;
    int left = osdWidth - maxItemWidth;
    left /= 2;
    TopBarSetTitle(Title);

    tracksPixmap = osd->CreatePixmap(1, cRect(left, osdHeight - itemsHeight - marginItem, maxItemWidth, itemsHeight));
    tracksPixmap->Fill(clrTransparent);

    tracksLogoPixmap = osd->CreatePixmap(1, cRect(left, osdHeight - itemsHeight - marginItem, maxItemWidth, itemsHeight));
    tracksLogoPixmap->Fill(clrTransparent);

    SetItem(tr("Audio Tracks"), -1, false);
    
    for (int i = 0; i < NumTracks; i++)
        SetItem(Tracks[i], i, false);
}

cFlatDisplayTracks::~cFlatDisplayTracks() {
    osd->DestroyPixmap(tracksPixmap);
    osd->DestroyPixmap(tracksLogoPixmap);
}

void cFlatDisplayTracks::SetItem(const char *Text, int Index, bool Current) {
    int y = (Index+1) * itemHeight;
    tColor ColorFg, ColorBg;
    if (Current) {
        ColorFg = Theme.Color(clrTrackItemCurrentFont);
        ColorBg = Theme.Color(clrTrackItemCurrentBg);
        currentIndex = Index;
    }
    else {
        if( Index >= 0 ) {
            ColorFg = Theme.Color(clrTrackItemSelableFont);
            ColorBg = Theme.Color(clrTrackItemSelableBg);
        } else {
            ColorFg = Theme.Color(clrTrackItemFont);
            ColorBg = Theme.Color(clrTrackItemBg);
        }
    }

    if( Index == -1 )
        tracksPixmap->DrawText(cPoint(0, y), Text, ColorFg, ColorBg, font, maxItemWidth, itemHeight - Config.MenuItemPadding - Config.decorBorderTrackSize*2, taLeft);
    else
        tracksPixmap->DrawText(cPoint(0, y), Text, ColorFg, ColorBg, font, maxItemWidth, itemHeight - Config.MenuItemPadding - Config.decorBorderTrackSize*2, taCenter);

    int left = osdWidth - maxItemWidth;
    left /= 2;
    
    int top = osdHeight - itemsHeight - marginItem + y;

    if( Current )
        DecorBorderDraw(left, top, maxItemWidth, fontHeight,
            Config.decorBorderTrackSize, Config.decorBorderTrackType, Config.decorBorderTrackCurFg, Config.decorBorderTrackCurBg);
    else if( Index >= 0 )
        DecorBorderDraw(left, top, maxItemWidth, fontHeight,
            Config.decorBorderTrackSize, Config.decorBorderTrackType, Config.decorBorderTrackSelFg, Config.decorBorderTrackSelBg);
    else
        DecorBorderDraw(left, top, maxItemWidth, fontHeight,
            Config.decorBorderTrackSize, Config.decorBorderTrackType, Config.decorBorderTrackFg, Config.decorBorderTrackBg);
    
}

void cFlatDisplayTracks::SetTrack(int Index, const char * const *Tracks) {
    if (currentIndex >= 0)
        SetItem(Tracks[currentIndex], currentIndex, false);
    SetItem(Tracks[Index], Index, true);
}

void cFlatDisplayTracks::SetAudioChannel(int AudioChannel) {
    // from vdr 0=stereo, 1=left, 2=right, -1=don't display the audio channel indicator.
    // from skinnopacity -1 ac3, else stero
    tracksLogoPixmap->Fill(clrTransparent);
    if( AudioChannel == -1 && img_ac3 ) {
        int IconLeft = maxItemWidth - img_ac3->Width() - marginItem;
        int IconTop = (fontHeight - img_ac3->Height()) / 2;
        tracksLogoPixmap->DrawImage( cPoint(IconLeft, IconTop), *img_ac3 );
    } else if( img_stereo ){
        int IconLeft = maxItemWidth - img_stereo->Width() - marginItem;
        int IconTop = (fontHeight - img_stereo->Height()) / 2;
        tracksLogoPixmap->DrawImage( cPoint(IconLeft, IconTop), *img_stereo );
    }
    return;
}

void cFlatDisplayTracks::Flush(void) {
    TopBarUpdate();
    osd->Flush();
}