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C/C++ Source or Header  |  1996-05-03  |  4.7 KB  |  156 lines
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  3. // avijava.cpp 
  4. // 
  5. //        This is the main file in the Java<->Plugin story.
  6. //        In AviPlayer.java some native functions have been defined.
  7. //        javah spits out .c and .h files to represent that class (AviPlayer)
  8. //        Those files declare the prototypes for the native methods.
  9. //        Here is the implementation for the native methods
  10. //
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  13.  
  14. // stubs from javah
  15.  
  16. #define IMPLEMENT_AviPlayer
  17. #ifndef _AviPlayer_H_
  18. #include "AVIPlayer.h"
  19. #endif
  20. #ifndef _AviObserver_H_
  21. #include "AVIObserver.h"
  22. #endif
  23.  
  24. #ifndef __PLGWND_H__
  25. #include "plgwnd.h"
  26. #endif
  27. #ifndef __CAVI_H__
  28. #include "cavi.h"
  29. #endif
  30.  
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  33. //
  34. //    all those functions are very straightforward.
  35. //    They all get a NPP instance to retrive a CPluginWindow object (main 
  36. //    interface between navigator and plugin dll) from which they 
  37. //    get the CAvi instance and call the method they are interested in
  38. //    (see plgwnd.cpp/.h and cavi.cpp/.h)
  39. //
  40. extern "C" JRI_PUBLIC_API(void) 
  41. native_AviPlayer_setTimeOut(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  42.                  jint timeout)
  43. {
  44.     NPP instance = (NPP)self->getPeer(env);
  45.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  46.     // CAvi::SetFrequency(..)
  47.     pPluginData->GetAviStream().SetFrequency(timeout);
  48. }
  49.  
  50. extern "C" JRI_PUBLIC_API(jbool) 
  51. native_AviPlayer_play(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  52.                jbool isAsync)
  53. {
  54.     NPP instance = (NPP)self->getPeer(env);
  55.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  56.     if (isAsync) {
  57.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_PLAY, 0), 0);
  58.         return TRUE;
  59.     }
  60.     else
  61.         // CAvi::Play()
  62.         return pPluginData->GetAviStream().Play();
  63. }
  64.  
  65. extern "C" JRI_PUBLIC_API(jbool) 
  66. native_AviPlayer_stop(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  67.                jbool isAsync)
  68. {
  69.     NPP instance = (NPP)self->getPeer(env);
  70.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  71.     if (isAsync) {
  72.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_STOP, 0), 0);
  73.         return TRUE;
  74.     }
  75.     else
  76.         // CAvi::Stop()
  77.         return pPluginData->GetAviStream().Stop();
  78. }
  79.  
  80. extern "C" JRI_PUBLIC_API(jbool) 
  81. native_AviPlayer_seek(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  82.                jbool isAsync, jint position)
  83. {
  84.     NPP instance = (NPP)self->getPeer(env);
  85.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  86.     if (isAsync) {
  87.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_SEEK, 0), 0);
  88.         return TRUE;
  89.     }
  90.     else
  91.         // CAvi::Seek(..)
  92.         return pPluginData->GetAviStream().Seek(position);
  93. }
  94.  
  95. extern "C" JRI_PUBLIC_API(jbool) 
  96. native_AviPlayer_rewind(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  97.              jbool isAsync)
  98. {
  99.     NPP instance = (NPP)self->getPeer(env);
  100.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  101.     if (isAsync) {
  102.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_REWIND, 0), 0);
  103.         return TRUE;
  104.     }
  105.     else
  106.         // CAvi::Rewind()
  107.         return pPluginData->GetAviStream().Rewind();
  108. }
  109.  
  110. extern "C" JRI_PUBLIC_API(jbool) 
  111. native_AviPlayer_forward(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  112.               jbool isAsync)
  113. {
  114.     NPP instance = (NPP)self->getPeer(env);
  115.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  116.     if (isAsync) {
  117.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_FORWARD, 0), 0);
  118.         return TRUE;
  119.     }
  120.     else
  121.         // CAvi::Forward()
  122.         return pPluginData->GetAviStream().Forward();
  123. }
  124.  
  125. extern "C" JRI_PUBLIC_API(jbool) 
  126. native_AviPlayer_frameForward(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  127.                    jbool isAsync)
  128. {
  129.     NPP instance = (NPP)self->getPeer(env);
  130.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  131.     if (isAsync) {
  132.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_FRAME_BACK, 0), 0);
  133.         return TRUE;
  134.     }
  135.     else
  136.         // CAvi::FrameForward()
  137.         return pPluginData->GetAviStream().FrameForward();
  138. }
  139.  
  140. extern "C" JRI_PUBLIC_API(jbool) 
  141. native_AviPlayer_frameBack(JRIEnv* env, struct AviPlayer* self, JRIMethodThunk* method,
  142.                 jbool isAsync)
  143. {
  144.     NPP instance = (NPP)self->getPeer(env);
  145.     CPluginWindow* pPluginData = (CPluginWindow*)instance->pdata;
  146.     if (isAsync) {
  147.         ::PostMessage(*pPluginData, WM_COMMAND, MAKEWPARAM(ID_VIDEO_FRAME_FORWARD, 0), 0);
  148.         return TRUE;
  149.     }
  150.     else
  151.         // CAvi::FrameBack()
  152.         return pPluginData->GetAviStream().FrameBack();
  153. }
  154.  
  155.  
  156.