| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/mediactrl.h |
| 3 | // Purpose: wxMediaCtrl class |
| 4 | // Author: Ryan Norton <wxprojects@comcast.net> |
| 5 | // Modified by: |
| 6 | // Created: 11/07/04 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Ryan Norton |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // Definitions |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // Header guard |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | #ifndef _WX_MEDIACTRL_H_ |
| 20 | #define _WX_MEDIACTRL_H_ |
| 21 | |
| 22 | // ---------------------------------------------------------------------------- |
| 23 | // Pre-compiled header stuff |
| 24 | // ---------------------------------------------------------------------------- |
| 25 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 26 | #pragma interface "mediactrl.h" |
| 27 | #endif |
| 28 | |
| 29 | #include "wx/defs.h" |
| 30 | |
| 31 | // ---------------------------------------------------------------------------- |
| 32 | // Compilation guard |
| 33 | // ---------------------------------------------------------------------------- |
| 34 | |
| 35 | #if wxUSE_MEDIACTRL |
| 36 | |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | // Includes |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | |
| 41 | #include "wx/control.h" |
| 42 | #include "wx/uri.h" |
| 43 | |
| 44 | // ============================================================================ |
| 45 | // Declarations |
| 46 | // ============================================================================ |
| 47 | |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | // |
| 50 | // Enumerations |
| 51 | // |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | |
| 54 | enum wxMediaState |
| 55 | { |
| 56 | wxMEDIASTATE_STOPPED, |
| 57 | wxMEDIASTATE_PAUSED, |
| 58 | wxMEDIASTATE_PLAYING |
| 59 | }; |
| 60 | |
| 61 | #define wxMEDIABACKEND_DIRECTSHOW wxT("wxAMMediaBackend") |
| 62 | #define wxMEDIABACKEND_MCI wxT("wxMCIMediaBackend") |
| 63 | #define wxMEDIABACKEND_QUICKTIME wxT("wxQTMediaBackend") |
| 64 | #define wxMEDIABACKEND_GSTREAMER wxT("wxGStreamerMediaBackend") |
| 65 | |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | // |
| 68 | // wxMediaEvent |
| 69 | // |
| 70 | // ---------------------------------------------------------------------------- |
| 71 | |
| 72 | class WXDLLIMPEXP_MEDIA wxMediaEvent : public wxNotifyEvent |
| 73 | { |
| 74 | public: |
| 75 | // ------------------------------------------------------------------------ |
| 76 | // wxMediaEvent Constructor |
| 77 | // |
| 78 | // Normal constructor, much the same as wxNotifyEvent |
| 79 | // ------------------------------------------------------------------------ |
| 80 | wxMediaEvent(wxEventType commandType = wxEVT_NULL, int winid = 0) |
| 81 | : wxNotifyEvent(commandType, winid) |
| 82 | { } |
| 83 | |
| 84 | // ------------------------------------------------------------------------ |
| 85 | // wxMediaEvent Copy Constructor |
| 86 | // |
| 87 | // Normal copy constructor, much the same as wxNotifyEvent |
| 88 | // ------------------------------------------------------------------------ |
| 89 | wxMediaEvent(const wxMediaEvent &clone) |
| 90 | : wxNotifyEvent(clone) |
| 91 | { } |
| 92 | |
| 93 | // ------------------------------------------------------------------------ |
| 94 | // wxMediaEvent::Clone |
| 95 | // |
| 96 | // Allocates a copy of this object. |
| 97 | // Required for wxEvtHandler::AddPendingEvent |
| 98 | // ------------------------------------------------------------------------ |
| 99 | virtual wxEvent *Clone() const |
| 100 | { return new wxMediaEvent(*this); } |
| 101 | |
| 102 | |
| 103 | // Put this class on wxWidget's RTTI table |
| 104 | DECLARE_DYNAMIC_CLASS(wxMediaEvent) |
| 105 | }; |
| 106 | |
| 107 | // ---------------------------------------------------------------------------- |
| 108 | // |
| 109 | // wxMediaCtrl |
| 110 | // |
| 111 | // ---------------------------------------------------------------------------- |
| 112 | |
| 113 | class WXDLLIMPEXP_MEDIA wxMediaCtrl : public wxControl |
| 114 | { |
| 115 | public: |
| 116 | wxMediaCtrl() : m_imp(NULL), m_bLoaded(false) |
| 117 | { } |
| 118 | |
| 119 | wxMediaCtrl(wxWindow* parent, wxWindowID winid, |
| 120 | const wxString& fileName = wxEmptyString, |
| 121 | const wxPoint& pos = wxDefaultPosition, |
| 122 | const wxSize& size = wxDefaultSize, |
| 123 | long style = 0, |
| 124 | const wxString& szBackend = wxEmptyString, |
| 125 | const wxValidator& validator = wxDefaultValidator, |
| 126 | const wxString& name = wxT("mediaCtrl")) |
| 127 | : m_imp(NULL), m_bLoaded(false) |
| 128 | { Create(parent, winid, fileName, pos, size, style, |
| 129 | szBackend, validator, name); } |
| 130 | |
| 131 | wxMediaCtrl(wxWindow* parent, wxWindowID winid, |
| 132 | const wxURI& location, |
| 133 | const wxPoint& pos = wxDefaultPosition, |
| 134 | const wxSize& size = wxDefaultSize, |
| 135 | long style = 0, |
| 136 | const wxString& szBackend = wxEmptyString, |
| 137 | const wxValidator& validator = wxDefaultValidator, |
| 138 | const wxString& name = wxT("mediaCtrl")) |
| 139 | : m_imp(NULL), m_bLoaded(false) |
| 140 | { Create(parent, winid, location, pos, size, style, |
| 141 | szBackend, validator, name); } |
| 142 | |
| 143 | ~wxMediaCtrl(); |
| 144 | |
| 145 | bool Create(wxWindow* parent, wxWindowID winid, |
| 146 | const wxString& fileName = wxEmptyString, |
| 147 | const wxPoint& pos = wxDefaultPosition, |
| 148 | const wxSize& size = wxDefaultSize, |
| 149 | long style = 0, |
| 150 | const wxString& szBackend = wxEmptyString, |
| 151 | const wxValidator& validator = wxDefaultValidator, |
| 152 | const wxString& name = wxT("mediaCtrl")); |
| 153 | |
| 154 | bool Create(wxWindow* parent, wxWindowID winid, |
| 155 | const wxURI& location, |
| 156 | const wxPoint& pos = wxDefaultPosition, |
| 157 | const wxSize& size = wxDefaultSize, |
| 158 | long style = 0, |
| 159 | const wxString& szBackend = wxEmptyString, |
| 160 | const wxValidator& validator = wxDefaultValidator, |
| 161 | const wxString& name = wxT("mediaCtrl")); //DirectShow only |
| 162 | |
| 163 | bool DoCreate(wxClassInfo* instance, |
| 164 | wxWindow* parent, wxWindowID winid, |
| 165 | const wxPoint& pos = wxDefaultPosition, |
| 166 | const wxSize& size = wxDefaultSize, |
| 167 | long style = 0, |
| 168 | const wxValidator& validator = wxDefaultValidator, |
| 169 | const wxString& name = wxT("mediaCtrl")); |
| 170 | |
| 171 | bool Play(); |
| 172 | bool Pause(); |
| 173 | bool Stop(); |
| 174 | |
| 175 | bool Load(const wxString& fileName); |
| 176 | |
| 177 | |
| 178 | wxMediaState GetState(); |
| 179 | |
| 180 | wxFileOffset Seek(wxFileOffset where, wxSeekMode mode = wxFromStart); |
| 181 | wxFileOffset Tell(); //FIXME: This should be const |
| 182 | wxFileOffset Length(); //FIXME: This should be const |
| 183 | |
| 184 | // |
| 185 | // Unofficial parts of API |
| 186 | // |
| 187 | //DirectShow/GStreamer only. Quicktime too, but somewhat buggy... |
| 188 | bool Load(const wxURI& location); |
| 189 | |
| 190 | double GetPlaybackRate(); //All but MCI & GStreamer |
| 191 | bool SetPlaybackRate(double dRate); //All but MCI & GStreamer |
| 192 | |
| 193 | protected: |
| 194 | static wxClassInfo* NextBackend(); |
| 195 | |
| 196 | void OnMediaFinished(wxMediaEvent& evt); |
| 197 | virtual void DoMoveWindow(int x, int y, int w, int h); |
| 198 | wxSize DoGetBestSize() const; |
| 199 | |
| 200 | //FIXME: This is nasty... find a better way to work around |
| 201 | //inheritance issues |
| 202 | #ifdef __WXMAC__ |
| 203 | friend class wxQTMediaBackend; |
| 204 | #endif |
| 205 | #ifdef __WXCOCOA__ |
| 206 | friend class wxQTMediaBackend; |
| 207 | #endif |
| 208 | class wxMediaBackend* m_imp; |
| 209 | bool m_bLoaded; |
| 210 | |
| 211 | DECLARE_DYNAMIC_CLASS(wxMediaCtrl) |
| 212 | }; |
| 213 | |
| 214 | // ---------------------------------------------------------------------------- |
| 215 | // |
| 216 | // wxMediaBackend |
| 217 | // |
| 218 | // Currently an internal class - API stability not guaranteed. |
| 219 | // |
| 220 | // ---------------------------------------------------------------------------- |
| 221 | |
| 222 | class WXDLLIMPEXP_MEDIA wxMediaBackend : public wxObject |
| 223 | { |
| 224 | public: |
| 225 | wxMediaBackend() |
| 226 | { } |
| 227 | |
| 228 | virtual ~wxMediaBackend(); |
| 229 | |
| 230 | virtual bool CreateControl(wxControl* WXUNUSED(ctrl), |
| 231 | wxWindow* WXUNUSED(parent), |
| 232 | wxWindowID WXUNUSED(winid), |
| 233 | const wxPoint& WXUNUSED(pos), |
| 234 | const wxSize& WXUNUSED(size), |
| 235 | long WXUNUSED(style), |
| 236 | const wxValidator& WXUNUSED(validator), |
| 237 | const wxString& WXUNUSED(name)) |
| 238 | { return false; } |
| 239 | |
| 240 | virtual bool Play() |
| 241 | { return false; } |
| 242 | virtual bool Pause() |
| 243 | { return false; } |
| 244 | virtual bool Stop() |
| 245 | { return false; } |
| 246 | |
| 247 | virtual bool Load(const wxString& WXUNUSED(fileName)) |
| 248 | { return false; } |
| 249 | virtual bool Load(const wxURI& WXUNUSED(location)) |
| 250 | { return false; } |
| 251 | |
| 252 | virtual bool SetPosition(wxLongLong WXUNUSED(where)) |
| 253 | { return 0; } |
| 254 | virtual wxLongLong GetPosition() |
| 255 | { return 0; } |
| 256 | virtual wxLongLong GetDuration() |
| 257 | { return 0; } |
| 258 | |
| 259 | virtual void Move(int WXUNUSED(x), int WXUNUSED(y), |
| 260 | int WXUNUSED(w), int WXUNUSED(h)) |
| 261 | { } |
| 262 | virtual wxSize GetVideoSize() const |
| 263 | { return wxSize(0,0); } |
| 264 | |
| 265 | virtual double GetPlaybackRate() |
| 266 | { return 0.0; } |
| 267 | virtual bool SetPlaybackRate(double WXUNUSED(dRate)) |
| 268 | { return false; } |
| 269 | |
| 270 | virtual wxMediaState GetState() |
| 271 | { return wxMEDIASTATE_STOPPED; } |
| 272 | |
| 273 | virtual void RESERVED1() {} |
| 274 | virtual void RESERVED2() {} |
| 275 | virtual void RESERVED3() {} |
| 276 | virtual void RESERVED4() {} |
| 277 | virtual void RESERVED5() {} |
| 278 | virtual void RESERVED6() {} |
| 279 | virtual void RESERVED7() {} |
| 280 | virtual void RESERVED8() {} |
| 281 | virtual void RESERVED9() {} |
| 282 | |
| 283 | DECLARE_DYNAMIC_CLASS(wxMediaBackend) |
| 284 | }; |
| 285 | |
| 286 | //Event ID to give to our events |
| 287 | #define wxMEDIA_FINISHED_ID 13000 |
| 288 | #define wxMEDIA_STOP_ID 13001 |
| 289 | |
| 290 | //Define our event types - we need to call DEFINE_EVENT_TYPE(EVT) later |
| 291 | DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_FINISHED, wxMEDIA_FINISHED_ID) |
| 292 | DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_MEDIA, wxEVT_MEDIA_STOP, wxMEDIA_STOP_ID) |
| 293 | |
| 294 | //Function type(s) our events need |
| 295 | typedef void (wxEvtHandler::*wxMediaEventFunction)(wxMediaEvent&); |
| 296 | |
| 297 | #define wxMediaEventHandler(func) \ |
| 298 | (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMediaEventFunction, &func) |
| 299 | |
| 300 | //Macro for usage with message maps |
| 301 | #define EVT_MEDIA_FINISHED(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_FINISHED, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ), |
| 302 | #define EVT_MEDIA_STOP(winid, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_MEDIA_STOP, winid, wxID_ANY, wxMediaEventHandler(fn), (wxObject *) NULL ), |
| 303 | |
| 304 | // ---------------------------------------------------------------------------- |
| 305 | // End compilation gaurd |
| 306 | // ---------------------------------------------------------------------------- |
| 307 | #endif // wxUSE_MEDIACTRL |
| 308 | |
| 309 | // ---------------------------------------------------------------------------- |
| 310 | // End header guard and header itself |
| 311 | // ---------------------------------------------------------------------------- |
| 312 | #endif // _WX_MEDIACTRL_H_ |
| 313 | |
| 314 | |