/*****************************************************************************
 * MediaControlView.h: beos interface
 *****************************************************************************
 * Copyright (C) 1999, 2000, 2001 the VideoLAN team
 * $Id: 27c416178534cca1c92fa19cd2e22f1b14163ca2 $
 *
 * Authors: Tony Castley <tony@castley.net>
 *          Stephan Aßmus <stippi@yellowbites.com>
 *
 * 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 of the License, 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifndef BEOS_MEDIA_CONTROL_VIEW_H
#define BEOS_MEDIA_CONTROL_VIEW_H

#include <Box.h>
#include <Control.h>

class BBitmap;
class PlayPauseButton;
class PositionInfoView;
class SeekSlider;
class TransportButton;
class VolumeSlider;

class MediaControlView : public BBox
{
 public:
                                MediaControlView( intf_thread_t * p_intf, BRect frame );
    virtual                        ~MediaControlView();

                                // BBox
    virtual    void                AttachedToWindow();
    virtual    void                FrameResized(float width, float height);
    virtual    void                GetPreferredSize(float* width, float* height);
    virtual    void                MessageReceived(BMessage* message);
    virtual    void                Pulse(); // detect stopped stream

                                // MediaControlView
            void                SetProgress( float position );

            void                SetStatus(int status, int rate);
            void                SetEnabled(bool enable);
            void                SetAudioEnabled(bool enable);
            uint32                GetVolume() const;
            void                SetSkippable(bool backward,
                                             bool forward);
            void                SetMuted(bool mute);
 
 private:
            void                _LayoutControls(BRect frame) const;
            BRect                _MinFrame() const;
            void                _LayoutControl(BView* view,
                                               BRect frame,
                                               bool resizeWidth = false,
                                               bool resizeHeight = false) const;

            intf_thread_t *     p_intf;

            VolumeSlider*        fVolumeSlider;
            SeekSlider*            fSeekSlider;
            TransportButton*    fSkipBack;
            TransportButton*    fSkipForward;
            TransportButton*    fRewind;
            TransportButton*    fForward;
            PlayPauseButton*    fPlayPause;
            TransportButton*    fStop;
            TransportButton*    fMute;
            PositionInfoView*   fPositionInfo;

            int                    fCurrentRate;
            int                    fCurrentStatus;
            float                fBottomControlHeight;
            BRect                fOldBounds;
            bool                fIsEnabled;
            
};

class SeekSlider : public BControl
{
 public:
                                SeekSlider(intf_thread_t * p_intf,
                                           BRect frame,
                                           const char* name,
                                           MediaControlView* owner );

    virtual                        ~SeekSlider();

                                // BControl
    virtual    void                AttachedToWindow();
    virtual void                Draw(BRect updateRect);
    virtual    void                MouseDown(BPoint where);
    virtual    void                MouseMoved(BPoint where, uint32 transit,
                                           const BMessage* dragMessage);
    virtual    void                MouseUp(BPoint where);
    virtual    void                ResizeToPreferred();

                                // SeekSlider
            void                SetPosition(float position);

private:
            int32                _ValueFor(float x) const;
            void                _StrokeFrame(BRect frame,
                                             rgb_color left,
                                             rgb_color top,
                                             rgb_color right,
                                             rgb_color bottom);

            intf_thread_t     * p_intf;
            MediaControlView*    fOwner;    
            bool                fTracking;
};

class VolumeSlider : public BControl
{
 public:
                                VolumeSlider(BRect frame,
                                             const char* name,
                                             int32 minValue,
                                             int32 maxValue,
                                             BMessage* message = NULL,
                                             BHandler* target = NULL);

    virtual                        ~VolumeSlider();

                                // BControl
    virtual    void                AttachedToWindow();
    virtual    void                SetValue(int32 value);
    virtual void                SetEnabled(bool enable);
    virtual void                Draw(BRect updateRect);
    virtual void                MouseDown(BPoint where);
    virtual    void                MouseMoved(BPoint where, uint32 transit,
                                           const BMessage* dragMessage);
    virtual    void                MouseUp(BPoint where);

                                // VolumeSlider
            bool                IsValid() const;
            void                SetMuted(bool mute);

 private:
            void                _MakeBitmaps();
            void                _DimBitmap(BBitmap* bitmap);
            int32                _ValueFor(float xPos) const;

            BBitmap*            fLeftSideBits;
            BBitmap*            fRightSideBits;
            BBitmap*            fKnobBits;
            bool                fTracking;
            bool                fMuted;
            int32                fMinValue;
            int32                fMaxValue;
};

class PositionInfoView : public BView
{
 public:
                                PositionInfoView( BRect frame,
                                                  const char* name,
                                                  intf_thread_t *p_intf );
    virtual                        ~PositionInfoView();

                                // BView
    virtual    void                Draw( BRect updateRect );
    virtual    void                ResizeToPreferred();
    virtual    void                GetPreferredSize( float* width,
                                                  float* height );
    virtual    void                Pulse();

                                // PositionInfoView
    enum
    {
        MODE_SMALL,
        MODE_BIG,
    };

            void                SetMode( uint32 mode );
            void                GetBigPreferredSize( float* width,
                                                     float* height );

            void                SetFile( int32 index, int32 size );
            void                SetTitle( int32 index, int32 size );
            void                SetChapter( int32 index, int32 size );
            void                SetTime( int32 seconds );
            void                SetTime( const char* string );
 private:
            void                _InvalidateContents( uint32 which = 0 );
            void                _MakeString( BString& into,
                                             int32 index,
                                             int32 maxIndex ) const;
//            void                _DrawAlignedString( const char* string,
//                                                    BRect frame,
//                                                    alignment mode = B_ALIGN_LEFT );

            uint32                fMode;
            int32                fCurrentFileIndex;
            int32                fCurrentFileSize;
            int32                fCurrentTitleIndex;
            int32                fCurrentTitleSize;
            int32                fCurrentChapterIndex;
            int32                fCurrentChapterSize;

            int32                fSeconds;
            BString                fTimeString;
            bigtime_t            fLastPulseUpdate;
            float                fStackedWidthCache;
            float                fStackedHeightCache;
            
            intf_thread_t *     p_intf;
            
};

#endif    // BEOS_MEDIA_CONTROL_VIEW_H
