Massive reworking of wxMediaCtrl code - backend everything, search for backends via RTTI lookup, and more
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30527 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton
@@ -1,4 +1,4 @@
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/////////////////////////////////////////////////////////////////////////////
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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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@@ -7,11 +7,285 @@
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// RCS-ID: $Id$
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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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#if defined(__WXMSW__)
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#include "wx/msw/mediactrl.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/carbon/mediactrl.h"
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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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma interface "mediactrl.h"
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#endif
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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 wxMediaTimeFormat
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{
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wxMEDIATIMEFORMAT_TIME
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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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// ----------------------------------------------------------------------------
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//
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// wxMediaCtrl
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//
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// ----------------------------------------------------------------------------
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class wxMediaCtrl : public wxControl
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{
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public:
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wxMediaCtrl() : m_imp(NULL), m_bLoaded(false), m_bLoop(false)
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{ }
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wxMediaCtrl(wxWindow* parent, wxWindowID id,
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const wxString& fileName = wxT(""),
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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 = wxT(""),
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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), m_bLoop(false)
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{ Create(parent, id, fileName, pos, size, style,
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szBackend, validator, name); }
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wxMediaCtrl(wxWindow* parent, wxWindowID id,
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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 = wxT(""),
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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_bLoop(false)
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{ Create(parent, id, location, pos, size, style,
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szBackend, validator, name); }
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~wxMediaCtrl();
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bool Create(wxWindow* parent, wxWindowID id,
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const wxString& fileName = wxT(""),
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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 = wxT(""),
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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 id,
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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 = wxT(""),
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxT("mediaCtrl"));
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bool DoCreate(wxClassInfo* instance,
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wxWindow* parent, wxWindowID id,
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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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static wxClassInfo* NextBackend();
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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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bool Load(const wxURI& location);
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void Loop(bool bLoop = true);
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bool IsLooped();
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wxMediaState GetState();
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double GetPlaybackRate();
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bool SetPlaybackRate(double dRate);
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bool SetPosition(wxLongLong where);
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wxLongLong GetPosition();
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wxLongLong GetDuration();
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protected:
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void OnMediaFinished(const class 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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class wxMediaBackend* m_imp;
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bool m_bLoaded;
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bool m_bLoop;
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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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// Currently an internal class - API stability not gauranteed.
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//
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// ----------------------------------------------------------------------------
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class 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* ctrl, wxWindow* parent,
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wxWindowID id,
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const wxPoint& pos, const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& 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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DECLARE_CLASS(wxMediaBackend)
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};
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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 WXDLLEXPORT 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 id = 0)
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: wxNotifyEvent(commandType, id)
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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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//Event ID to give to our events
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#define wxMEDIA_FINISHED_ID 13000
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#define wxMEDIA_STOP_ID 13001
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//Define our event types - we need to call DEFINE_EVENT_TYPE(EVT) later
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DECLARE_EVENT_TYPE(wxEVT_MEDIA_FINISHED, wxMEDIA_FINISHED_ID)
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DECLARE_EVENT_TYPE(wxEVT_MEDIA_STOP, wxMEDIA_STOP_ID)
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//Function type(s) our events need
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typedef void (wxEvtHandler::*wxMediaEventFunction)(wxMediaEvent&);
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//Macro for usage with message maps
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#define EVT_MEDIA_FINISHED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_FINISHED, winid, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) (wxMediaEventFunction) & fn, (wxObject *) NULL ),
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#define EVT_MEDIA_STOP(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STOP, winid, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) (wxMediaEventFunction) & fn, (wxObject *) NULL ),
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// ----------------------------------------------------------------------------
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// End compilation gaurd
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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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