404 lines
15 KiB
C
404 lines
15 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/mediactrl.h
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// Purpose: wxMediaCtrl class
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// Author: Ryan Norton <wxprojects@comcast.net>
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// Modified by:
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// Created: 11/07/04
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// Copyright: (c) Ryan Norton
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// Definitions
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// ============================================================================
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// ----------------------------------------------------------------------------
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// Header guard
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// ----------------------------------------------------------------------------
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#ifndef _WX_MEDIACTRL_H_
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#define _WX_MEDIACTRL_H_
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// ----------------------------------------------------------------------------
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// Pre-compiled header stuff
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// ----------------------------------------------------------------------------
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#include "wx/defs.h"
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// ----------------------------------------------------------------------------
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// Compilation guard
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// ----------------------------------------------------------------------------
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#if wxUSE_MEDIACTRL
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// ----------------------------------------------------------------------------
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// Includes
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// ----------------------------------------------------------------------------
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#include "wx/control.h"
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#include "wx/uri.h"
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// ============================================================================
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// Declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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//
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// Enumerations
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//
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// ----------------------------------------------------------------------------
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enum wxMediaState
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{
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wxMEDIASTATE_STOPPED,
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wxMEDIASTATE_PAUSED,
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wxMEDIASTATE_PLAYING
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};
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enum wxMediaCtrlPlayerControls
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{
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wxMEDIACTRLPLAYERCONTROLS_NONE = 0,
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//Step controls like fastforward, step one frame etc.
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wxMEDIACTRLPLAYERCONTROLS_STEP = 1 << 0,
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//Volume controls like the speaker icon, volume slider, etc.
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wxMEDIACTRLPLAYERCONTROLS_VOLUME = 1 << 1,
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wxMEDIACTRLPLAYERCONTROLS_DEFAULT =
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wxMEDIACTRLPLAYERCONTROLS_STEP |
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wxMEDIACTRLPLAYERCONTROLS_VOLUME
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};
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#define wxMEDIABACKEND_DIRECTSHOW wxT("wxAMMediaBackend")
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#define wxMEDIABACKEND_MCI wxT("wxMCIMediaBackend")
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#define wxMEDIABACKEND_QUICKTIME wxT("wxQTMediaBackend")
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#define wxMEDIABACKEND_GSTREAMER wxT("wxGStreamerMediaBackend")
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#define wxMEDIABACKEND_REALPLAYER wxT("wxRealPlayerMediaBackend")
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#define wxMEDIABACKEND_WMP10 wxT("wxWMP10MediaBackend")
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// ----------------------------------------------------------------------------
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//
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// wxMediaEvent
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//
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_MEDIA wxMediaEvent : public wxNotifyEvent
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{
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public:
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// ------------------------------------------------------------------------
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// wxMediaEvent Constructor
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//
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// Normal constructor, much the same as wxNotifyEvent
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// ------------------------------------------------------------------------
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wxMediaEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
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: wxNotifyEvent(commandType, winid)
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{ }
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// ------------------------------------------------------------------------
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// wxMediaEvent Copy Constructor
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//
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// Normal copy constructor, much the same as wxNotifyEvent
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// ------------------------------------------------------------------------
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wxMediaEvent(const wxMediaEvent &clone)
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: wxNotifyEvent(clone)
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{ }
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// ------------------------------------------------------------------------
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// wxMediaEvent::Clone
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//
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// Allocates a copy of this object.
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// Required for wxEvtHandler::AddPendingEvent
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// ------------------------------------------------------------------------
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virtual wxEvent *Clone() const
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{ return new wxMediaEvent(*this); }
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// Put this class on wxWidget's RTTI table
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DECLARE_DYNAMIC_CLASS(wxMediaEvent)
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};
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// ----------------------------------------------------------------------------
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//
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// wxMediaCtrl
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//
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_MEDIA wxMediaCtrl : public wxControl
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{
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public:
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wxMediaCtrl() : m_imp(NULL), m_bLoaded(false)
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{ }
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wxMediaCtrl(wxWindow* parent, wxWindowID winid,
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const wxString& fileName = wxEmptyString,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& szBackend = wxEmptyString,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"))
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: m_imp(NULL), m_bLoaded(false)
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{ Create(parent, winid, fileName, pos, size, style,
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szBackend, validator, name); }
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wxMediaCtrl(wxWindow* parent, wxWindowID winid,
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const wxURI& location,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& szBackend = wxEmptyString,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"))
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: m_imp(NULL), m_bLoaded(false)
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{ Create(parent, winid, location, pos, size, style,
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szBackend, validator, name); }
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virtual ~wxMediaCtrl();
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bool Create(wxWindow* parent, wxWindowID winid,
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const wxString& fileName = wxEmptyString,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& szBackend = wxEmptyString,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"));
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bool Create(wxWindow* parent, wxWindowID winid,
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const wxURI& location,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& szBackend = wxEmptyString,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"));
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bool DoCreate(const wxClassInfo* instance,
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wxWindow* parent, wxWindowID winid,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"));
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bool Play();
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bool Pause();
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bool Stop();
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bool Load(const wxString& fileName);
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wxMediaState GetState();
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wxFileOffset Seek(wxFileOffset where, wxSeekMode mode = wxFromStart);
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wxFileOffset Tell(); //FIXME: This should be const
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wxFileOffset Length(); //FIXME: This should be const
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double GetPlaybackRate(); //All but MCI & GStreamer
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bool SetPlaybackRate(double dRate); //All but MCI & GStreamer
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bool Load(const wxURI& location);
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bool Load(const wxURI& location, const wxURI& proxy);
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wxFileOffset GetDownloadProgress(); // DirectShow only
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wxFileOffset GetDownloadTotal(); // DirectShow only
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double GetVolume();
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bool SetVolume(double dVolume);
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bool ShowPlayerControls(
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wxMediaCtrlPlayerControls flags = wxMEDIACTRLPLAYERCONTROLS_DEFAULT);
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//helpers for the wxPython people
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bool LoadURI(const wxString& fileName)
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{ return Load(wxURI(fileName)); }
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bool LoadURIWithProxy(const wxString& fileName, const wxString& proxy)
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{ return Load(wxURI(fileName), wxURI(proxy)); }
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protected:
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static const wxClassInfo* NextBackend(wxClassInfo::const_iterator* it);
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void OnMediaFinished(wxMediaEvent& evt);
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virtual void DoMoveWindow(int x, int y, int w, int h);
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wxSize DoGetBestSize() const;
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//FIXME: This is nasty... find a better way to work around
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//inheritance issues
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#if defined(__WXOSX_CARBON__)
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virtual void MacVisibilityChanged();
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#endif
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#if defined(__WXOSX_CARBON__) || defined(__WXCOCOA__)
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friend class wxQTMediaBackend;
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#endif
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class wxMediaBackend* m_imp;
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bool m_bLoaded;
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DECLARE_DYNAMIC_CLASS(wxMediaCtrl)
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};
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// ----------------------------------------------------------------------------
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//
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// wxMediaBackend
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//
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// Derive from this and use standard wxWidgets RTTI
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// (DECLARE_DYNAMIC_CLASS and IMPLEMENT_CLASS) to make a backend
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// for wxMediaCtrl. Backends are searched alphabetically -
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// the one with the earliest letter is tried first.
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//
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// Note that this is currently not API or ABI compatible -
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// so statically link or make the client compile on-site.
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//
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_MEDIA wxMediaBackend : public wxObject
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{
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public:
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wxMediaBackend()
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{ }
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virtual ~wxMediaBackend();
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virtual bool CreateControl(wxControl* WXUNUSED(ctrl),
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wxWindow* WXUNUSED(parent),
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wxWindowID WXUNUSED(winid),
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const wxPoint& WXUNUSED(pos),
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const wxSize& WXUNUSED(size),
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long WXUNUSED(style),
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const wxValidator& WXUNUSED(validator),
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const wxString& WXUNUSED(name))
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{ return false; }
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virtual bool Play()
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{ return false; }
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virtual bool Pause()
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{ return false; }
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virtual bool Stop()
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{ return false; }
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virtual bool Load(const wxString& WXUNUSED(fileName))
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{ return false; }
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virtual bool Load(const wxURI& WXUNUSED(location))
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{ return false; }
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virtual bool SetPosition(wxLongLong WXUNUSED(where))
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{ return 0; }
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virtual wxLongLong GetPosition()
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{ return 0; }
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virtual wxLongLong GetDuration()
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{ return 0; }
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virtual void Move(int WXUNUSED(x), int WXUNUSED(y),
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int WXUNUSED(w), int WXUNUSED(h))
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{ }
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virtual wxSize GetVideoSize() const
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{ return wxSize(0,0); }
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virtual double GetPlaybackRate()
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{ return 0.0; }
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virtual bool SetPlaybackRate(double WXUNUSED(dRate))
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{ return false; }
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virtual wxMediaState GetState()
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{ return wxMEDIASTATE_STOPPED; }
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virtual double GetVolume()
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{ return 0.0; }
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virtual bool SetVolume(double WXUNUSED(dVolume))
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{ return false; }
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virtual bool Load(const wxURI& WXUNUSED(location),
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const wxURI& WXUNUSED(proxy))
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{ return false; }
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virtual bool ShowPlayerControls(
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wxMediaCtrlPlayerControls WXUNUSED(flags))
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{ return false; }
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virtual bool IsInterfaceShown()
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{ return false; }
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virtual wxLongLong GetDownloadProgress()
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{ return 0; }
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virtual wxLongLong GetDownloadTotal()
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{ return 0; }
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virtual void MacVisibilityChanged()
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{ }
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virtual void RESERVED9() {}
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DECLARE_DYNAMIC_CLASS(wxMediaBackend)
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};
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//Our events
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_FINISHED, wxMediaEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_STOP, wxMediaEvent );
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//Function type(s) our events need
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typedef void (wxEvtHandler::*wxMediaEventFunction)(wxMediaEvent&);
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#define wxMediaEventHandler(func) \
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wxEVENT_HANDLER_CAST(wxMediaEventFunction, func)
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//Macro for usage with message maps
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#define EVT_MEDIA_FINISHED(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_FINISHED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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#define EVT_MEDIA_STOP(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STOP, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_LOADED, wxMediaEvent );
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#define EVT_MEDIA_LOADED(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_LOADED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_STATECHANGED, wxMediaEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PLAY, wxMediaEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_PAUSE, wxMediaEvent );
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#define EVT_MEDIA_STATECHANGED(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STATECHANGED, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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#define EVT_MEDIA_PLAY(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PLAY, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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#define EVT_MEDIA_PAUSE(winid, fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_PAUSE, winid, wxID_ANY, wxMediaEventHandler(fn), NULL ),
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// ----------------------------------------------------------------------------
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// common backend base class used by many other backends
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_MEDIA wxMediaBackendCommonBase : public wxMediaBackend
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{
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public:
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// add a pending wxMediaEvent of the given type
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void QueueEvent(wxEventType evtType);
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// notify that the movie playback is finished
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void QueueFinishEvent()
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{
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QueueEvent(wxEVT_MEDIA_STATECHANGED);
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QueueEvent(wxEVT_MEDIA_FINISHED);
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}
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// send the stop event and return true if it hasn't been vetoed
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bool SendStopEvent();
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// Queue pause event
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void QueuePlayEvent();
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// Queue pause event
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void QueuePauseEvent();
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// Queue stop event (no veto)
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void QueueStopEvent();
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protected:
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// call this when the movie size has changed but not because it has just
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// been loaded (in this case, call NotifyMovieLoaded() below)
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void NotifyMovieSizeChanged();
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// call this when the movie is fully loaded
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void NotifyMovieLoaded();
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wxMediaCtrl *m_ctrl; // parent control
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};
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// ----------------------------------------------------------------------------
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// End compilation guard
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// ----------------------------------------------------------------------------
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#endif // wxUSE_MEDIACTRL
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// ----------------------------------------------------------------------------
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// End header guard and header itself
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// ----------------------------------------------------------------------------
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#endif // _WX_MEDIACTRL_H_
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