path: root/dom/plugins/base/npapi.h

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef npapi_h_
#define npapi_h_

#include "nptypes.h"

#if defined(_WIN32) && !defined(__SYMBIAN32__)
#include <windef.h>
#ifndef XP_WIN
#define XP_WIN 1
#endif
#endif

#if defined(__SYMBIAN32__)
#ifndef XP_SYMBIAN
#define XP_SYMBIAN 1
#undef XP_WIN
#endif
#endif

#if defined(XP_UNIX)
#include <stdio.h>
#if defined(MOZ_X11)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
#endif

#if defined(XP_SYMBIAN)
#include <QEvent>
#include <QRegion>
#endif

/*----------------------------------------------------------------------*/
/*                        Plugin Version Constants                      */
/*----------------------------------------------------------------------*/

#define NP_VERSION_MAJOR 0
#define NP_VERSION_MINOR 29


/* The OS/2 version of Netscape uses RC_DATA to define the
   mime types, file extensions, etc that are required.
   Use a vertical bar to separate types, end types with \0.
   FileVersion and ProductVersion are 32bit ints, all other
   entries are strings that MUST be terminated with a \0.

AN EXAMPLE:

RCDATA NP_INFO_ProductVersion { 1,0,0,1,}

RCDATA NP_INFO_MIMEType    { "video/x-video|",
                             "video/x-flick\0" }
RCDATA NP_INFO_FileExtents { "avi|",
                             "flc\0" }
RCDATA NP_INFO_FileOpenName{ "MMOS2 video player(*.avi)|",
                             "MMOS2 Flc/Fli player(*.flc)\0" }

RCDATA NP_INFO_FileVersion       { 1,0,0,1 }
RCDATA NP_INFO_CompanyName       { "Netscape Communications\0" }
RCDATA NP_INFO_FileDescription   { "NPAVI32 Extension DLL\0"
RCDATA NP_INFO_InternalName      { "NPAVI32\0" )
RCDATA NP_INFO_LegalCopyright    { "Copyright Netscape Communications \251 1996\0"
RCDATA NP_INFO_OriginalFilename  { "NVAPI32.DLL" }
RCDATA NP_INFO_ProductName       { "NPAVI32 Dynamic Link Library\0" }
*/
/* RC_DATA types for version info - required */
#define NP_INFO_ProductVersion      1
#define NP_INFO_MIMEType            2
#define NP_INFO_FileOpenName        3
#define NP_INFO_FileExtents         4
/* RC_DATA types for version info - used if found */
#define NP_INFO_FileDescription     5
#define NP_INFO_ProductName         6
/* RC_DATA types for version info - optional */
#define NP_INFO_CompanyName         7
#define NP_INFO_FileVersion         8
#define NP_INFO_InternalName        9
#define NP_INFO_LegalCopyright      10
#define NP_INFO_OriginalFilename    11

#ifndef RC_INVOKED

/*----------------------------------------------------------------------*/
/*                       Definition of Basic Types                      */
/*----------------------------------------------------------------------*/

typedef unsigned char NPBool;
typedef int16_t       NPError;
typedef int16_t       NPReason;
typedef char*         NPMIMEType;

/*----------------------------------------------------------------------*/
/*                       Structures and definitions                     */
/*----------------------------------------------------------------------*/

/*
 *  NPP is a plug-in's opaque instance handle
 */
typedef struct _NPP
{
  void* pdata;      /* plug-in private data */
  void* ndata;      /* netscape private data */
} NPP_t;

typedef NPP_t*  NPP;

typedef struct _NPStream
{
  void*    pdata; /* plug-in private data */
  void*    ndata; /* netscape private data */
  const    char* url;
  uint32_t end;
  uint32_t lastmodified;
  void*    notifyData;
  const    char* headers; /* Response headers from host.
                           * Exists only for >= NPVERS_HAS_RESPONSE_HEADERS.
                           * Used for HTTP only; nullptr for non-HTTP.
                           * Available from NPP_NewStream onwards.
                           * Plugin should copy this data before storing it.
                           * Includes HTTP status line and all headers,
                           * preferably verbatim as received from server,
                           * headers formatted as in HTTP ("Header: Value"),
                           * and newlines (\n, NOT \r\n) separating lines.
                           * Terminated by \n\0 (NOT \n\n\0). */
} NPStream;

typedef struct _NPByteRange
{
  int32_t  offset; /* negative offset means from the end */
  uint32_t length;
  struct _NPByteRange* next;
} NPByteRange;

typedef struct _NPSavedData
{
  int32_t len;
  void*   buf;
} NPSavedData;

typedef struct _NPRect
{
  uint16_t top;
  uint16_t left;
  uint16_t bottom;
  uint16_t right;
} NPRect;

typedef struct _NPSize
{
  int32_t width;
  int32_t height;
} NPSize;

typedef enum {
  NPFocusNext = 0,
  NPFocusPrevious = 1
} NPFocusDirection;

/* These formats describe the format in the memory byte-order. This means if
 * a 32-bit value of a pixel is viewed on a little-endian system the layout will
 * be 0xAARRGGBB. The Alpha channel will be stored in the most significant
 * bits. */
typedef enum {
  /* 32-bit per pixel 8-bit per channel - premultiplied alpha */
  NPImageFormatBGRA32     = 0x1,
  /* 32-bit per pixel 8-bit per channel - 1 unused channel */
  NPImageFormatBGRX32     = 0x2
} NPImageFormat;

typedef struct _NPAsyncSurface
{
  uint32_t version;
  NPSize size;
  NPImageFormat format;
  union {
    struct {
      uint32_t stride;
      void *data;
    } bitmap;
#if defined(XP_WIN)
    HANDLE sharedHandle;
#endif
  };
} NPAsyncSurface;

/* Return values for NPP_HandleEvent */
#define kNPEventNotHandled 0
#define kNPEventHandled 1
/* Exact meaning must be spec'd in event model. */
#define kNPEventStartIME 2

#if defined(XP_UNIX)
/*
 * Unix specific structures and definitions
 */

/*
 * Callback Structures.
 *
 * These are used to pass additional platform specific information.
 */
enum {
  NP_SETWINDOW = 1,
  NP_PRINT
};

typedef struct
{
  int32_t type;
} NPAnyCallbackStruct;

typedef struct
{
  int32_t      type;
#if defined(MOZ_X11)
  Display*     display;
  Visual*      visual;
  Colormap     colormap;
  unsigned int depth;
#endif
} NPSetWindowCallbackStruct;

typedef struct
{
  int32_t type;
  FILE* fp;
} NPPrintCallbackStruct;

#endif /* XP_UNIX */

#if defined(XP_WIN)
/*
 * Windows specific structures and definitions
 */

/*
 * Information about the default audio device.  These values share meaning with
 * the parameters to the Windows API IMMNotificationClient object.
 * This is the value of the NPNVaudioDeviceChangeDetails variable.
 */
typedef struct _NPAudioDeviceChangeDetails
{
  int32_t flow;
  int32_t role;
  const wchar_t* defaultDevice;  // this pointer is only valid during the call
                                 // to NPPSetValue.
} NPAudioDeviceChangeDetails;

#endif /* XP_WIN */

typedef enum {
  NPDrawingModelDUMMY
#if defined(XP_WIN)
  , NPDrawingModelSyncWin = 5
#endif
#if defined(MOZ_X11)
  , NPDrawingModelSyncX = 6
#endif
  , NPDrawingModelAsyncBitmapSurface = 7
#if defined(XP_WIN)
  , NPDrawingModelAsyncWindowsDXGISurface = 8
#endif
} NPDrawingModel;

/*
 *   The following masks are applied on certain platforms to NPNV and
 *   NPPV selectors that pass around pointers to COM interfaces. Newer
 *   compilers on some platforms may generate vtables that are not
 *   compatible with older compilers. To prevent older plugins from
 *   not understanding a new browser's ABI, these masks change the
 *   values of those selectors on those platforms. To remain backwards
 *   compatible with different versions of the browser, plugins can
 *   use these masks to dynamically determine and use the correct C++
 *   ABI that the browser is expecting. This does not apply to Windows
 *   as Microsoft's COM ABI will likely not change.
 */

#define NP_ABI_GCC3_MASK  0x10000000
/*
 *   gcc 3.x generated vtables on UNIX and OSX are incompatible with
 *   previous compilers. Flash plugin binaries for Solaris were compiled
 *   with Sun Studio, so this has to be false to make things work. This may
 *   become a problem in the future when/if new plugins are compiled with 
 *   GCC, however.
 */
#if (defined(XP_UNIX) && defined(__GNUC__) && (__GNUC__ >= 3) && !defined(XP_SOLARIS))
#define _NP_ABI_MIXIN_FOR_GCC3 NP_ABI_GCC3_MASK
#else
#define _NP_ABI_MIXIN_FOR_GCC3 0
#endif

#define _NP_ABI_MIXIN_FOR_MACHO 0

#define NP_ABI_MASK (_NP_ABI_MIXIN_FOR_GCC3 | _NP_ABI_MIXIN_FOR_MACHO)

/*
 * List of variable names for which NPP_GetValue shall be implemented
 */
typedef enum {
  NPPVpluginNameString = 1,
  NPPVpluginDescriptionString,
  NPPVpluginWindowBool,
  NPPVpluginTransparentBool,
  NPPVjavaClass,
  NPPVpluginWindowSize,
  NPPVpluginTimerInterval,
  NPPVpluginScriptableInstance = (10 | NP_ABI_MASK),
  NPPVpluginScriptableIID = 11,
  NPPVjavascriptPushCallerBool = 12,
  NPPVpluginKeepLibraryInMemory = 13,
  NPPVpluginNeedsXEmbed         = 14,

  /* Get the NPObject for scripting the plugin. Introduced in NPAPI minor version 14.
   */
  NPPVpluginScriptableNPObject  = 15,

  /* Get the plugin value (as \0-terminated UTF-8 string data) for
   * form submission if the plugin is part of a form. Use
   * NPN_MemAlloc() to allocate memory for the string data. Introduced
   * in NPAPI minor version 15.
   */
  NPPVformValue = 16,

  NPPVpluginUrlRequestsDisplayedBool = 17,

  /* Checks if the plugin is interested in receiving the http body of
   * all http requests (including failed ones, http status != 200).
   */
  NPPVpluginWantsAllNetworkStreams = 18,

  /* Browsers can retrieve a native ATK accessibility plug ID via this variable. */
  NPPVpluginNativeAccessibleAtkPlugId = 19,

  /* Checks to see if the plug-in would like the browser to load the "src" attribute. */
  NPPVpluginCancelSrcStream = 20,

  NPPVsupportsAdvancedKeyHandling = 21,

  NPPVpluginUsesDOMForCursorBool = 22,

  /* Used for negotiating drawing models */
  NPPVpluginDrawingModel = 1000
  /* Notification that the plugin just started or stopped playing audio */
  , NPPVpluginIsPlayingAudio = 4000
#if defined(XP_WIN)
  /* Notification that the plugin requests notification when the default audio device has changed */
  , NPPVpluginRequiresAudioDeviceChanges = 4001
#endif

} NPPVariable;

/*
 * List of variable names for which NPN_GetValue should be implemented.
 */
typedef enum {
  NPNVxDisplay = 1,
  NPNVxtAppContext,
  NPNVnetscapeWindow,
  NPNVjavascriptEnabledBool,
  NPNVasdEnabledBool,
  NPNVisOfflineBool,

  NPNVserviceManager = (10 | NP_ABI_MASK),
  NPNVDOMElement     = (11 | NP_ABI_MASK),
  NPNVDOMWindow      = (12 | NP_ABI_MASK),
  NPNVToolkit        = (13 | NP_ABI_MASK),
  NPNVSupportsXEmbedBool = 14,

  /* Get the NPObject wrapper for the browser window. */
  NPNVWindowNPObject = 15,

  /* Get the NPObject wrapper for the plugins DOM element. */
  NPNVPluginElementNPObject = 16,

  NPNVSupportsWindowless = 17,

  NPNVprivateModeBool = 18,

  NPNVsupportsAdvancedKeyHandling = 21,

  NPNVdocumentOrigin = 22,

  NPNVCSSZoomFactor = 23,

  NPNVpluginDrawingModel = 1000 /* Get the current drawing model (NPDrawingModel) */
#if defined(XP_WIN)
  , NPNVcontentsScaleFactor = 1001
#endif
  , NPNVsupportsAsyncBitmapSurfaceBool = 2007
#if defined(XP_WIN)
  , NPNVsupportsAsyncWindowsDXGISurfaceBool = 2008
  , NPNVpreferredDXGIAdapter = 2009
#endif
  , NPNVmuteAudioBool = 4000 /* Request that the browser wants to mute or unmute the plugin */
#if defined(XP_WIN)
  , NPNVaudioDeviceChangeDetails = 4001 /* Provides information about the new default audio device */
#endif
} NPNVariable;

typedef enum {
  NPNURLVCookie = 501,
  NPNURLVProxy
} NPNURLVariable;

/*
 * The type of Toolkit the widgets use
 */
typedef enum {
  NPNVGtk12 = 1,
  NPNVGtk2
} NPNToolkitType;

/*
 * The type of a NPWindow - it specifies the type of the data structure
 * returned in the window field.
 */
typedef enum {
  NPWindowTypeWindow = 1,
  NPWindowTypeDrawable
} NPWindowType;

typedef struct _NPWindow
{
  void* window;  /* Platform specific window handle */
                 /* OS/2: x - Position of bottom left corner */
                 /* OS/2: y - relative to visible netscape window */
  int32_t  x;      /* Position of top left corner relative */
  int32_t  y;      /* to a netscape page. */
  uint32_t width;  /* Maximum window size */
  uint32_t height;
  NPRect   clipRect; /* Clipping rectangle in port coordinates */
#if defined(XP_UNIX) || defined(XP_SYMBIAN)
  void * ws_info; /* Platform-dependent additional data */
#endif /* XP_UNIX */
  NPWindowType type; /* Is this a window or a drawable? */
} NPWindow;

typedef struct _NPImageExpose
{
  char*    data;       /* image pointer */
  int32_t  stride;     /* Stride of data image pointer */
  int32_t  depth;      /* Depth of image pointer */
  int32_t  x;          /* Expose x */
  int32_t  y;          /* Expose y */
  uint32_t width;      /* Expose width */
  uint32_t height;     /* Expose height */
  NPSize   dataSize;   /* Data buffer size */
  float    translateX; /* translate X matrix value */
  float    translateY; /* translate Y matrix value */
  float    scaleX;     /* scale X matrix value */
  float    scaleY;     /* scale Y matrix value */
} NPImageExpose;

typedef struct _NPFullPrint
{
  NPBool pluginPrinted;/* Set TRUE if plugin handled fullscreen printing */
  NPBool printOne;     /* TRUE if plugin should print one copy to default
                          printer */
  void* platformPrint; /* Platform-specific printing info */
} NPFullPrint;

typedef struct _NPEmbedPrint
{
  NPWindow window;
  void* platformPrint; /* Platform-specific printing info */
} NPEmbedPrint;

typedef struct _NPPrint
{
  uint16_t mode;               /* NP_FULL or NP_EMBED */
  union
  {
    NPFullPrint fullPrint;   /* if mode is NP_FULL */
    NPEmbedPrint embedPrint; /* if mode is NP_EMBED */
  } print;
} NPPrint;

#if defined(XP_SYMBIAN)
typedef QEvent NPEvent;
#elif defined(XP_WIN)
typedef struct _NPEvent
{
  uint16_t event;
  uintptr_t wParam;
  uintptr_t lParam;
} NPEvent;
#elif defined(XP_UNIX) && defined(MOZ_X11)
typedef XEvent NPEvent;
#else
typedef void*  NPEvent;
#endif

#if defined(XP_WIN)
typedef HRGN NPRegion;
#elif defined(XP_UNIX) && defined(MOZ_X11)
typedef Region NPRegion;
#elif defined(XP_SYMBIAN)
typedef QRegion* NPRegion;
#else
typedef void *NPRegion;
#endif

typedef struct _NPNSString NPNSString;
typedef struct _NPNSWindow NPNSWindow;
typedef struct _NPNSMenu   NPNSMenu;

typedef void *NPMenu;

typedef enum {
  NPCoordinateSpacePlugin = 1,
  NPCoordinateSpaceWindow,
  NPCoordinateSpaceFlippedWindow,
  NPCoordinateSpaceScreen,
  NPCoordinateSpaceFlippedScreen
} NPCoordinateSpace;

/*
 * Values for mode passed to NPP_New:
 */
#define NP_EMBED 1
#define NP_FULL  2

/*
 * Values for stream type passed to NPP_NewStream:
 */
#define NP_NORMAL     1
#define NP_SEEK       2
#define NP_ASFILE     3
#define NP_ASFILEONLY 4

#define NP_MAXREADY (((unsigned)(~0)<<1)>>1)

/*
 * Flags for NPP_ClearSiteData.
 */
#define NP_CLEAR_ALL   0
#define NP_CLEAR_CACHE (1 << 0)

/*----------------------------------------------------------------------*/
/*       Error and Reason Code definitions                              */
/*----------------------------------------------------------------------*/

/*
 * Values of type NPError:
 */
#define NPERR_BASE                         0
#define NPERR_NO_ERROR                    (NPERR_BASE + 0)
#define NPERR_GENERIC_ERROR               (NPERR_BASE + 1)
#define NPERR_INVALID_INSTANCE_ERROR      (NPERR_BASE + 2)
#define NPERR_INVALID_FUNCTABLE_ERROR     (NPERR_BASE + 3)
#define NPERR_MODULE_LOAD_FAILED_ERROR    (NPERR_BASE + 4)
#define NPERR_OUT_OF_MEMORY_ERROR         (NPERR_BASE + 5)
#define NPERR_INVALID_PLUGIN_ERROR        (NPERR_BASE + 6)
#define NPERR_INVALID_PLUGIN_DIR_ERROR    (NPERR_BASE + 7)
#define NPERR_INCOMPATIBLE_VERSION_ERROR  (NPERR_BASE + 8)
#define NPERR_INVALID_PARAM               (NPERR_BASE + 9)
#define NPERR_INVALID_URL                 (NPERR_BASE + 10)
#define NPERR_FILE_NOT_FOUND              (NPERR_BASE + 11)
#define NPERR_NO_DATA                     (NPERR_BASE + 12)
#define NPERR_STREAM_NOT_SEEKABLE         (NPERR_BASE + 13)
#define NPERR_TIME_RANGE_NOT_SUPPORTED    (NPERR_BASE + 14)
#define NPERR_MALFORMED_SITE              (NPERR_BASE + 15)

/*
 * Values of type NPReason:
 */
#define NPRES_BASE          0
#define NPRES_DONE         (NPRES_BASE + 0)
#define NPRES_NETWORK_ERR  (NPRES_BASE + 1)
#define NPRES_USER_BREAK   (NPRES_BASE + 2)

/*
 * Don't use these obsolete error codes any more.
 */
#define NP_NOERR  NP_NOERR_is_obsolete_use_NPERR_NO_ERROR
#define NP_EINVAL NP_EINVAL_is_obsolete_use_NPERR_GENERIC_ERROR
#define NP_EABORT NP_EABORT_is_obsolete_use_NPRES_USER_BREAK

/*
 * Version feature information
 */
#define NPVERS_HAS_STREAMOUTPUT             8
#define NPVERS_HAS_NOTIFICATION             9
#define NPVERS_HAS_LIVECONNECT              9
#define NPVERS_68K_HAS_LIVECONNECT          11
#define NPVERS_HAS_WINDOWLESS               11
#define NPVERS_HAS_XPCONNECT_SCRIPTING      13
#define NPVERS_HAS_NPRUNTIME_SCRIPTING      14
#define NPVERS_HAS_FORM_VALUES              15
#define NPVERS_HAS_POPUPS_ENABLED_STATE     16
#define NPVERS_HAS_RESPONSE_HEADERS         17
#define NPVERS_HAS_NPOBJECT_ENUM            18
#define NPVERS_HAS_PLUGIN_THREAD_ASYNC_CALL 19
#define NPVERS_HAS_ALL_NETWORK_STREAMS      20
#define NPVERS_HAS_URL_AND_AUTH_INFO        21
#define NPVERS_HAS_PRIVATE_MODE             22
#define NPVERS_MACOSX_HAS_COCOA_EVENTS      23
#define NPVERS_HAS_ADVANCED_KEY_HANDLING    25
#define NPVERS_HAS_URL_REDIRECT_HANDLING    26
#define NPVERS_HAS_CLEAR_SITE_DATA          27

/*----------------------------------------------------------------------*/
/*                        Function Prototypes                           */
/*----------------------------------------------------------------------*/

#ifdef __cplusplus
extern "C" {
#endif

/* NPP_* functions are provided by the plugin and called by the navigator. */

#if defined(XP_UNIX)
const char* NPP_GetMIMEDescription(void);
#endif

NPError NPP_New(NPMIMEType pluginType, NPP instance,
                uint16_t mode, int16_t argc, char* argn[],
                char* argv[], NPSavedData* saved);
NPError NPP_Destroy(NPP instance, NPSavedData** save);
NPError NPP_SetWindow(NPP instance, NPWindow* window);
NPError NPP_NewStream(NPP instance, NPMIMEType type,
                      NPStream* stream, NPBool seekable,
                      uint16_t* stype);
NPError NPP_DestroyStream(NPP instance, NPStream* stream,
                          NPReason reason);
int32_t NPP_WriteReady(NPP instance, NPStream* stream);
int32_t NPP_Write(NPP instance, NPStream* stream, int32_t offset,
                  int32_t len, void* buffer);
void    NPP_StreamAsFile(NPP instance, NPStream* stream,
                         const char* fname);
void    NPP_Print(NPP instance, NPPrint* platformPrint);
int16_t NPP_HandleEvent(NPP instance, void* event);
void    NPP_URLNotify(NPP instance, const char* url,
                      NPReason reason, void* notifyData);
NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value);
NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value);
NPBool  NPP_GotFocus(NPP instance, NPFocusDirection direction);
void    NPP_LostFocus(NPP instance);
void    NPP_URLRedirectNotify(NPP instance, const char* url, int32_t status, void* notifyData);
NPError NPP_ClearSiteData(const char* site, uint64_t flags, uint64_t maxAge);
char**  NPP_GetSitesWithData(void);
void    NPP_DidComposite(NPP instance);

/* NPN_* functions are provided by the navigator and called by the plugin. */
void        NPN_Version(int* plugin_major, int* plugin_minor,
                        int* netscape_major, int* netscape_minor);
NPError     NPN_GetURLNotify(NPP instance, const char* url,
                             const char* target, void* notifyData);
NPError     NPN_GetURL(NPP instance, const char* url,
                       const char* target);
NPError     NPN_PostURLNotify(NPP instance, const char* url,
                              const char* target, uint32_t len,
                              const char* buf, NPBool file,
                              void* notifyData);
NPError     NPN_PostURL(NPP instance, const char* url,
                        const char* target, uint32_t len,
                        const char* buf, NPBool file);
NPError     NPN_RequestRead(NPStream* stream, NPByteRange* rangeList);
NPError     NPN_NewStream(NPP instance, NPMIMEType type,
                          const char* target, NPStream** stream);
int32_t     NPN_Write(NPP instance, NPStream* stream, int32_t len,
                      void* buffer);
NPError     NPN_DestroyStream(NPP instance, NPStream* stream,
                              NPReason reason);
void        NPN_Status(NPP instance, const char* message);
const char* NPN_UserAgent(NPP instance);
void*       NPN_MemAlloc(uint32_t size);
void        NPN_MemFree(void* ptr);
uint32_t    NPN_MemFlush(uint32_t size);
void        NPN_ReloadPlugins(NPBool reloadPages);
NPError     NPN_GetValue(NPP instance, NPNVariable variable,
                         void *value);
NPError     NPN_SetValue(NPP instance, NPPVariable variable,
                         void *value);
void        NPN_InvalidateRect(NPP instance, NPRect *invalidRect);
void        NPN_InvalidateRegion(NPP instance,
                                 NPRegion invalidRegion);
void        NPN_ForceRedraw(NPP instance);
void        NPN_PushPopupsEnabledState(NPP instance, NPBool enabled);
void        NPN_PopPopupsEnabledState(NPP instance);
void        NPN_PluginThreadAsyncCall(NPP instance,
                                      void (*func) (void *),
                                      void *userData);
NPError     NPN_GetValueForURL(NPP instance, NPNURLVariable variable,
                               const char *url, char **value,
                               uint32_t *len);
NPError     NPN_SetValueForURL(NPP instance, NPNURLVariable variable,
                               const char *url, const char *value,
                               uint32_t len);
NPError     NPN_GetAuthenticationInfo(NPP instance,
                                      const char *protocol,
                                      const char *host, int32_t port,
                                      const char *scheme,
                                      const char *realm,
                                      char **username, uint32_t *ulen,
                                      char **password,
                                      uint32_t *plen);
uint32_t    NPN_ScheduleTimer(NPP instance, uint32_t interval, NPBool repeat, void (*timerFunc)(NPP npp, uint32_t timerID));
void        NPN_UnscheduleTimer(NPP instance, uint32_t timerID);
NPError     NPN_PopUpContextMenu(NPP instance, NPMenu* menu);
NPBool      NPN_ConvertPoint(NPP instance, double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace);
NPBool      NPN_HandleEvent(NPP instance, void *event, NPBool handled);
NPBool      NPN_UnfocusInstance(NPP instance, NPFocusDirection direction);
void        NPN_URLRedirectResponse(NPP instance, void* notifyData, NPBool allow);
NPError     NPN_InitAsyncSurface(NPP instance, NPSize *size,
                                 NPImageFormat format, void *initData,
                                 NPAsyncSurface *surface);
NPError     NPN_FinalizeAsyncSurface(NPP instance, NPAsyncSurface *surface);
void        NPN_SetCurrentAsyncSurface(NPP instance, NPAsyncSurface *surface, NPRect *changed);

#ifdef __cplusplus
}  /* end extern "C" */
#endif

#endif /* RC_INVOKED */

#endif /* npapi_h_ */