зеркало из https://github.com/mozilla/gecko-dev.git
365 строки
8.7 KiB
C
365 строки
8.7 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
/*
|
|
* npshell.c
|
|
*
|
|
* Netscape Client Plugin API
|
|
* - Function that need to be implemented by plugin developers
|
|
*
|
|
* This file defines a "shell" plugin that plugin developers can use
|
|
* as the basis for a real plugin. This shell just provides empty
|
|
* implementations of all functions that the plugin can implement
|
|
* that will be called by Netscape (the NPP_xxx methods defined in
|
|
* npapi.h).
|
|
*
|
|
* dp Suresh <dp@netscape.com>
|
|
* updated 5/1998 <pollmann@netscape.com>
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <Xm/Xm.h>
|
|
#include "npapi.h"
|
|
#include "nullplugin.h"
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Implementations of plugin API functions
|
|
*
|
|
***********************************************************************/
|
|
|
|
char*
|
|
NPP_GetMIMEDescription(void)
|
|
{
|
|
return(MIME_TYPES_HANDLED);
|
|
}
|
|
|
|
NPError
|
|
NPP_GetValue(NPP instance, NPPVariable variable, void *value)
|
|
{
|
|
NPError err = NPERR_NO_ERROR;
|
|
|
|
switch (variable) {
|
|
case NPPVpluginNameString:
|
|
*((char **)value) = PLUGIN_NAME;
|
|
break;
|
|
case NPPVpluginDescriptionString:
|
|
*((char **)value) = PLUGIN_DESCRIPTION;
|
|
break;
|
|
default:
|
|
err = NPERR_GENERIC_ERROR;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
NPError
|
|
NPP_Initialize(void)
|
|
{
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
|
|
jref
|
|
NPP_GetJavaClass()
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
NPP_Shutdown(void)
|
|
{
|
|
}
|
|
|
|
NPError
|
|
NPP_New(NPMIMEType pluginType,
|
|
NPP instance,
|
|
uint16 mode,
|
|
int16 argc,
|
|
char* argn[],
|
|
char* argv[],
|
|
NPSavedData* saved)
|
|
{
|
|
PluginInstance* This;
|
|
|
|
if (instance == NULL)
|
|
return NPERR_INVALID_INSTANCE_ERROR;
|
|
|
|
instance->pdata = NPN_MemAlloc(sizeof(PluginInstance));
|
|
|
|
This = (PluginInstance*) instance->pdata;
|
|
memset(This, 0, sizeof(PluginInstance));
|
|
|
|
if (This != NULL)
|
|
{
|
|
/* mode is NP_EMBED, NP_FULL, or NP_BACKGROUND (see npapi.h) */
|
|
This->mode = mode;
|
|
This->window = (Window) 0;
|
|
This->type = dupMimeType(pluginType);
|
|
This->instance = instance;
|
|
This->pluginsPageUrl = NULL;
|
|
|
|
/* Parse argument list passed to plugin instance. */
|
|
while (argc > 0)
|
|
{
|
|
argc --;
|
|
if (argv[argc] != NULL)
|
|
{
|
|
if (!strcasecmp(argn[argc], "PLUGINSPAGE"))
|
|
This->pluginsPageUrl = strdup(argv[argc]);
|
|
else if (!strcasecmp(argn[argc], "PLUGINURL"))
|
|
This->pluginsFileUrl = strdup(argv[argc]);
|
|
else if (!strcasecmp(argn[argc], "CODEBASE"))
|
|
This->pluginsPageUrl = strdup(argv[argc]);
|
|
else if (!strcasecmp(argn[argc], "CLASSID"))
|
|
This->pluginsFileUrl = strdup(argv[argc]);
|
|
else if (!strcasecmp(argn[argc], "HIDDEN"))
|
|
This->pluginsHidden = (!strcasecmp(argv[argc], "TRUE"));
|
|
}
|
|
}
|
|
|
|
if (This->pluginsHidden)
|
|
{
|
|
showPluginDialog(NULL, (XtPointer)This, NULL);
|
|
}
|
|
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
else
|
|
return NPERR_OUT_OF_MEMORY_ERROR;
|
|
}
|
|
|
|
|
|
NPError
|
|
NPP_Destroy(NPP instance, NPSavedData** save)
|
|
{
|
|
PluginInstance* This;
|
|
|
|
if (instance == NULL)
|
|
return NPERR_INVALID_INSTANCE_ERROR;
|
|
|
|
This = (PluginInstance*) instance->pdata;
|
|
|
|
if (This != NULL) {
|
|
if (This->type)
|
|
NPN_MemFree(This->type);
|
|
if (This->pluginsPageUrl)
|
|
NPN_MemFree(This->pluginsPageUrl);
|
|
if (This->pluginsFileUrl)
|
|
NPN_MemFree(This->pluginsFileUrl);
|
|
if (This->refreshing) {
|
|
if (This->action == GET) {
|
|
XtRemoveCallback (This->button, XmNactivateCallback,
|
|
showPluginDialog, (XtPointer)This);
|
|
} else if (This->action == REFRESH) {
|
|
XtRemoveCallback (This->button, XmNactivateCallback,
|
|
refreshPluginList, (XtPointer)This);
|
|
}
|
|
This->exists = FALSE;
|
|
} else {
|
|
if (This->dialog) {
|
|
XtDestroyWidget(This->dialog);
|
|
This->dialog = NULL;
|
|
}
|
|
}
|
|
NPN_MemFree(instance->pdata);
|
|
instance->pdata = NULL;
|
|
}
|
|
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
|
|
|
|
NPError
|
|
NPP_SetWindow(NPP instance, NPWindow* window)
|
|
{
|
|
PluginInstance* This;
|
|
NPSetWindowCallbackStruct *ws_info;
|
|
|
|
if (instance == NULL)
|
|
return NPERR_INVALID_INSTANCE_ERROR;
|
|
|
|
This = (PluginInstance*) instance->pdata;
|
|
ws_info = (NPSetWindowCallbackStruct *)window->ws_info;
|
|
|
|
if (This->window == (Window) window->window) {
|
|
/*
|
|
* The page with the plugin is being resized.
|
|
* Save any UI information because the next time
|
|
* around expect a SetWindow with a new window id.
|
|
*/
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "Nullplugin: plugin received window resize.\n");
|
|
#endif
|
|
return NPERR_NO_ERROR;
|
|
} else {
|
|
|
|
This->window = (Window) window->window;
|
|
This->x = window->x;
|
|
This->y = window->y;
|
|
This->width = window->width;
|
|
This->height = window->height;
|
|
This->display = ws_info->display;
|
|
This->visual = ws_info->visual;
|
|
This->depth = ws_info->depth;
|
|
This->colormap = ws_info->colormap;
|
|
|
|
This->exists = FALSE;
|
|
This->refreshing = FALSE;
|
|
makeWidget(This);
|
|
}
|
|
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
|
|
|
|
NPError
|
|
NPP_NewStream(NPP instance,
|
|
NPMIMEType type,
|
|
NPStream *stream,
|
|
NPBool seekable,
|
|
uint16 *stype)
|
|
{
|
|
if (instance == NULL)
|
|
return NPERR_INVALID_INSTANCE_ERROR;
|
|
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
|
|
|
|
int32 STREAMBUFSIZE = 0X0FFFFFFF; /*
|
|
* If we are reading from a file in NPAsFile
|
|
* mode so we can take any size stream in our
|
|
* write call (since we ignore it)
|
|
*/
|
|
|
|
int32
|
|
NPP_WriteReady(NPP instance, NPStream *stream)
|
|
{
|
|
/*
|
|
* PluginInstance* This;
|
|
* if (instance != NULL)
|
|
* This = (PluginInstance*) instance->pdata;
|
|
*/
|
|
/* Number of bytes ready to accept in NPP_Write() */
|
|
return STREAMBUFSIZE;
|
|
}
|
|
|
|
|
|
int32
|
|
NPP_Write(NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
|
|
{
|
|
/*
|
|
* PluginInstance* This;
|
|
*
|
|
* if (instance != NULL)
|
|
* This = (PluginInstance*) instance->pdata;
|
|
* else
|
|
* return len;
|
|
*/
|
|
return len; /* The number of bytes accepted */
|
|
}
|
|
|
|
|
|
NPError
|
|
NPP_DestroyStream(NPP instance, NPStream *stream, NPError reason)
|
|
{
|
|
/*
|
|
* PluginInstance* This;
|
|
*/
|
|
if (instance == NULL)
|
|
return NPERR_INVALID_INSTANCE_ERROR;
|
|
/*
|
|
* This = (PluginInstance*) instance->pdata;
|
|
*/
|
|
return NPERR_NO_ERROR;
|
|
}
|
|
|
|
|
|
void
|
|
NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname)
|
|
{
|
|
/*
|
|
* PluginInstance* This;
|
|
* if (instance != NULL)
|
|
* This = (PluginInstance*) instance->pdata;
|
|
*/
|
|
}
|
|
|
|
|
|
void
|
|
NPP_Print(NPP instance, NPPrint* printInfo)
|
|
{
|
|
if(printInfo == NULL)
|
|
return;
|
|
|
|
if (instance != NULL) {
|
|
/*
|
|
* PluginInstance* This = (PluginInstance*) instance->pdata;
|
|
*/
|
|
|
|
if (printInfo->mode == NP_FULL) {
|
|
/*
|
|
* PLUGIN DEVELOPERS:
|
|
* If your plugin would like to take over
|
|
* printing completely when it is in full-screen mode,
|
|
* set printInfo->pluginPrinted to TRUE and print your
|
|
* plugin as you see fit. If your plugin wants Netscape
|
|
* to handle printing in this case, set
|
|
* printInfo->pluginPrinted to FALSE (the default) and
|
|
* do nothing. If you do want to handle printing
|
|
* yourself, printOne is true if the print button
|
|
* (as opposed to the print menu) was clicked.
|
|
* On the Macintosh, platformPrint is a THPrint; on
|
|
* Windows, platformPrint is a structure
|
|
* (defined in npapi.h) containing the printer name, port,
|
|
* etc.
|
|
*
|
|
*
|
|
* void* platformPrint =
|
|
* printInfo->print.fullPrint.platformPrint;
|
|
* NPBool printOne =
|
|
* printInfo->print.fullPrint.printOne;
|
|
*/
|
|
/* Do the default*/
|
|
printInfo->print.fullPrint.pluginPrinted = FALSE;
|
|
}
|
|
else { /* If not fullscreen, we must be embedded */
|
|
/*
|
|
* PLUGIN DEVELOPERS:
|
|
* If your plugin is embedded, or is full-screen
|
|
* but you returned false in pluginPrinted above, NPP_Print
|
|
* will be called with mode == NP_EMBED. The NPWindow
|
|
* in the printInfo gives the location and dimensions of
|
|
* the embedded plugin on the printed page. On the
|
|
* Macintosh, platformPrint is the printer port; on
|
|
* Windows, platformPrint is the handle to the printing
|
|
* device context.
|
|
*
|
|
*
|
|
* NPWindow* printWindow =
|
|
* &(printInfo->print.embedPrint.window);
|
|
* void* platformPrint =
|
|
* printInfo->print.embedPrint.platformPrint;
|
|
*/
|
|
}
|
|
}
|
|
}
|