MediaControlView.h
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上传日期：2009-03-27
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- /*****************************************************************************
- * MediaControlView.h: beos interface
- *****************************************************************************
- * Copyright (C) 1999, 2000, 2001 VideoLAN
- * $Id: MediaControlView.h 8449 2004-08-17 20:55:55Z titer $
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, 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
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