videoplayer.c

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class VideoPlayer extends ScriptedWidgetEventHandler
{
    protected Widget        m_Root;
    
    protected ButtonWidget  m_PlayButton;
    protected ButtonWidget  m_PauseButton;
    
    protected ButtonWidget  m_StopButton;
    
    protected ButtonWidget  m_OnceButton;
    protected ButtonWidget  m_RepeatButton;
    
    protected ButtonWidget      m_LoadButton;
    protected GridSpacerWidget  m_LoadVideo;
    
    protected SliderWidget  m_Progress;
    
    protected TextWidget    m_CurrentTime;
    protected TextWidget    m_TotalTime;
    
    protected ImageWidget       m_Buffering;
    /*protected*/ VideoWidget   m_VideoWidget;
    
    void VideoPlayer(Widget parent)
    {
        m_Root = GetGame().GetWorkspace().CreateWidgets("gui/layouts/new_ui/video_player.layout", parent);
        m_Root.SetHandler(this);
        m_Root.SetSort(333);
        Init();
    }
    
    void ~VideoPlayer()
    {
    }
    
    void Show(bool show)
    {
        m_Root.Show(show);
    }
    
    private void Init()
    {
        m_PlayButton        = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_PlayButton"));
        m_PauseButton       = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_PauseButton"));
        m_StopButton        = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_StopButton"));
        
        m_OnceButton        = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_OnceButton"));
        m_RepeatButton      = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_RepeatButton"));
        
        m_LoadButton        = ButtonWidget.Cast(m_Root.FindAnyWidget("vp_LoadButton"));
        m_LoadVideo         = GridSpacerWidget.Cast(m_Root.FindAnyWidget("vp_LoadVideo"));
        m_LoadVideo.Show(false);
        
        m_Progress          = SliderWidget.Cast(m_Root.FindAnyWidget("vp_Progress"));
        m_Progress.SetCurrent(0);
        
        m_CurrentTime       = TextWidget.Cast(m_Root.FindAnyWidget("vp_CurrentTime"));
        m_TotalTime         = TextWidget.Cast(m_Root.FindAnyWidget("vp_TotalTime"));
        
        m_Buffering         = ImageWidget.Cast(m_Root.FindAnyWidget("vp_Buffering"));
        m_Buffering.Show(false);
        m_VideoWidget       = VideoWidget.Cast(m_Root.FindAnyWidget("vp_Video"));
        
        m_VideoWidget.SetCallback(VideoCallback.ON_PLAY, OnPlaybackStart);
        m_VideoWidget.SetCallback(VideoCallback.ON_PAUSE, OnPlaybackStop);
        m_VideoWidget.SetCallback(VideoCallback.ON_STOP, OnPlaybackStop);
        m_VideoWidget.SetCallback(VideoCallback.ON_END, OnPlaybackStop);
        m_VideoWidget.SetCallback(VideoCallback.ON_LOAD, OnPlaybackStop);
        m_VideoWidget.SetCallback(VideoCallback.ON_SEEK, UpdateCurrentTime);
        m_VideoWidget.SetCallback(VideoCallback.ON_BUFFERING_START, OnBufferingStart);
        m_VideoWidget.SetCallback(VideoCallback.ON_BUFFERING_END, OnBufferingEnd);
    }
    
    private void InitVideoLoading()
    {   
        string path = "video\\*";
        
        string fileName;
        FileAttr fileAttr;
        
        FindFileHandle handle = FindFile(path, fileName, fileAttr, FindFileFlags.DIRECTORIES);
        
        if (fileName != "")
        {
            CreateVideoLoadingEntry(fileName);
        }
        
        while (FindNextFile(handle, fileName, fileAttr))
        {
            CreateVideoLoadingEntry(fileName);      
        }
        
        CloseFindFile(handle);
    }
    
    private void CreateVideoLoadingEntry(string entryName)
    {   
        Widget entry = GetGame().GetWorkspace().CreateWidgets("gui/layouts/new_ui/video_player_entry.layout", m_LoadVideo);
        ButtonWidget entryButton = ButtonWidget.Cast(entry.GetChildren());
        entryButton.SetText(entryName);
        entryButton.SetUserID(333);
    }
    
    private void UpdateCurrentTime()
    {
        int time = m_VideoWidget.GetTime();
        UpdateTime(m_CurrentTime, time);
        
        m_Progress.SetCurrent(time);
    }
    
    // This can be an async op
    private void UpdateTotalTime()
    {
        int time = m_VideoWidget.GetTotalTime();
        
        if (time != 0)
        {
            UpdateTime(m_TotalTime, time);
            m_Progress.SetMinMax(0, time);
            GetGame().GetCallQueue(CALL_CATEGORY_SYSTEM).Remove(UpdateTotalTime);
        }
    }
    
    private void UpdateTime(TextWidget widget, int time)
    {
        FullTimeData timeData = new FullTimeData();
        TimeConversions.ConvertSecondsToFullTime(time / 1000, timeData);
        widget.SetText(timeData.FormatedAsTimestamp());
    }
    
    override bool OnChange(Widget w, int x, int y, bool finished)
    {
        if (w == m_Progress)
        {
            m_VideoWidget.SetTime(m_Progress.GetCurrent(), finished);
        }
        
        return super.OnChange(w, x, y, finished);
    }
    
    override bool OnClick(Widget w, int x, int y, int button)
    {
        if (w == m_PlayButton)
        {
            PlayVideo();
        }
        else if (w == m_PauseButton)
        {
            PauseVideo();
        }
        else if (w == m_StopButton)
        {
            StopVideo();
        }
        else if (w == m_OnceButton)
        {
            OnceVideo();
        }
        else if (w == m_RepeatButton)
        {
            RepeatVideo();
        }
        else if (w == m_LoadButton)
        {
            ToggleVideoSelection();
        }
        else if (w == m_Progress)
        {
            Print(x);
            Print(y);
            Print(button);
        }
        else if (w.GetUserID() == 333)
        {
            string name;
            ButtonWidget.Cast(w).GetText(name);
            LoadVideo(name);
            ToggleVideoSelection();
        }
        
        return super.OnClick(w, x, y, button);
    }
    
    protected void OnPlaybackStart()
    {
        m_PlayButton.Show(false);
        m_PauseButton.Show(true);
        
        GetGame().GetCallQueue(CALL_CATEGORY_SYSTEM).CallLater(UpdateCurrentTime, 0, true);
    }
    
    protected void OnPlaybackStop()
    {
        m_PlayButton.Show(true);
        m_PauseButton.Show(false);
        
        UpdateCurrentTime();
        
        GetGame().GetCallQueue(CALL_CATEGORY_SYSTEM).Remove(UpdateCurrentTime);
    }
    
    protected void OnBufferingStart()
    {
        m_Buffering.Show(true);
    }
    
    protected void OnBufferingEnd()
    {
        m_Buffering.Show(false);
    }
    
    void ToggleVideoSelection()
    {
        if (!m_LoadVideo.IsVisible())
        {
            InitVideoLoading();
        }
        else
        {
            Widget child = m_LoadVideo.GetChildren();
        
            while (child)
            {
                Widget c = child;
                child = child.GetSibling();
                c.Unlink();
            }
        }
        
        m_LoadVideo.Show(!m_LoadVideo.IsVisible());
    }
    
    void LoadVideo(string videoPath)
    {   
        string path;
        #ifdef PLATFORM_WINDOWS
            path = ".\\video\\";
        #endif
        #ifdef PLATFORM_PS4
            path = "/app0/video/";
        #endif
        #ifdef PLATFORM_XBOX
            path = "G:\\video\\";
        #endif
        
        m_VideoWidget.Load(path + videoPath, m_VideoWidget.IsLooping());
            
        GetGame().GetCallQueue(CALL_CATEGORY_SYSTEM).CallLater(UpdateTotalTime, 0, true);
    }
    
    void PlayVideo()
    {
        m_VideoWidget.Play();
    }
    
    void PauseVideo()
    {
        m_VideoWidget.Pause();
    }
    
    void StopVideo()
    {
        m_VideoWidget.Stop();
        m_PlayButton.Show(true);
        m_PauseButton.Show(false);
    }
    
    void OnceVideo()
    {
        m_VideoWidget.SetLooping(false);
        m_OnceButton.Show(false);
        m_RepeatButton.Show(true);
    }
    
    void RepeatVideo()
    {
        m_VideoWidget.SetLooping(true);
        m_RepeatButton.Show(false);
        m_OnceButton.Show(true);
    }
    
    void KillVideo()
    {
        m_VideoWidget.Unload();
    }
}