Added browser plugin (Richard Jones)

1 files changed, 388 insertions, 0 deletions

diff --git a/plugin/npshell.c b/plugin/npshell.c
new file mode 100644
index 0000000..94b65dc
--- /dev/null
+++ b/plugin/npshell.c
@@ -0,0 +1,388 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla 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/MPL/
+ *
+ * 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 the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Stephen Mak <smak@sun.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * 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>
+ * updated 9/2000 <smak@sun.com>
+ *
+ */
+
+
+/*
+The contents of this file are subject to the Mozilla 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/MPL/
+
+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 stub code that defines the binary interface to a Mozilla
+plugin.
+
+The Initial Developer of the Original Code is Mozilla.
+
+Portions created by Adobe Systems Incorporated are Copyright (C) 2007. All Rights Reserved.
+
+Contributor(s): Adobe Systems Incorporated.
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <npapi.h>
+#include <npupp.h>
+
+#include "virt-viewer-plugin.h"
+
+/***********************************************************************
+ *
+ * Implementations of plugin API functions
+ *
+ ***********************************************************************/
+
+char *
+NPP_GetMIMEDescription(void)
+{
+  return (char *) MIME_TYPES_HANDLED;
+}
+
+NPError
+NPP_GetValue(NPP instance G_GNUC_UNUSED, NPPVariable variable, void *value)
+{
+  NPError err = NPERR_NO_ERROR;
+
+  debug ("NPP_GetValue %d", variable);
+
+  switch (variable) {
+  case NPPVpluginNameString:
+    *((const char **)value) = PLUGIN_NAME;
+    break;
+  case NPPVpluginDescriptionString:
+    *((const char **)value) = PLUGIN_DESCRIPTION;
+    break;
+  case NPPVpluginNeedsXEmbed:
+    *((PRBool *)value) = PR_TRUE;
+    break;
+  default:
+    err = NPERR_GENERIC_ERROR;
+  }
+  return err;
+}
+
+NPError
+NPP_Initialize(void)
+{
+  debug ("NPP_Initialize");
+
+  gtk_init(0, 0);
+
+  return NPERR_NO_ERROR;
+}
+
+#ifdef OJI
+jref
+NPP_GetJavaClass()
+{
+  return NULL;
+}
+#endif
+
+void
+NPP_Shutdown(void)
+{
+  debug ("NPP_Shutdown");
+}
+
+NPError 
+NPP_New(NPMIMEType pluginType G_GNUC_UNUSED,
+        NPP instance,
+        uint16 mode,
+        int16 argc,
+        char* argn[],
+        char* argv[],
+        NPSavedData *saved G_GNUC_UNUSED)
+{
+  PluginInstance *This;
+  NPError err = NPERR_NO_ERROR;
+  PRBool supportsXEmbed = PR_FALSE;
+  NPNToolkitType toolkit = 0;
+  int i;
+
+  debug ("NPP_New");
+
+  if (instance == NULL)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  /* http://developer.mozilla.org/en/docs/XEmbed_Extension_for_Mozilla_Plugins
+   * Check for XEmbed and Gtk toolkit.
+   */
+  err = NPN_GetValue (instance,
+                      NPNVSupportsXEmbedBool,
+                      (void *)&supportsXEmbed);
+  if (err != NPERR_NO_ERROR || supportsXEmbed != PR_TRUE)
+    return NPERR_INCOMPATIBLE_VERSION_ERROR;
+
+#if 1
+  err = NPN_GetValue (instance,
+                      NPNVToolkit,
+                      (void *)&toolkit);
+  if (err != NPERR_NO_ERROR || toolkit != NPNVGtk2)
+    return NPERR_INCOMPATIBLE_VERSION_ERROR;
+#endif
+
+  instance->pdata = NPN_MemAlloc(sizeof(PluginInstance));
+
+  This = (PluginInstance*) instance->pdata;
+
+  if (This == NULL) {
+    return NPERR_OUT_OF_MEMORY_ERROR;
+  }
+
+  memset(This, 0, sizeof(PluginInstance));
+
+  /* Mode is NP_EMBED, NP_FULL, or NP_BACKGROUND (see npapi.h). */
+  This->mode = mode;
+  This->instance = instance;
+  This->uri = This->name = NULL;
+  This->direct = This->waitvnc = 0;
+
+  /* Read the parameters passed to the plugin. */
+  for (i = 0; i < argc; i++)
+    {
+      if (strcasecmp (argn[i], "uri") == 0)
+        This->uri = strdup (argv[i]);
+      else if (strcasecmp (argn[i], "name") == 0)
+        This->name = strdup (argv[i]);
+      else if (strcasecmp (argn[i], "direct") == 0)
+        This->direct = strcmp (argv[i], "1") == 0;
+      else if (strcasecmp (argn[i], "waitvnc") == 0)
+        This->waitvnc = strcmp (argv[i], "1") == 0;
+    }
+
+  return NPERR_NO_ERROR;
+}
+
+NPError 
+NPP_Destroy(NPP instance, NPSavedData** save G_GNUC_UNUSED)
+{
+  PluginInstance* This;
+
+  debug ("NPP_Destroy");
+
+  if (instance == NULL)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  This = (PluginInstance*) instance->pdata;
+
+  if (This != NULL)
+    {
+      (void) VirtViewerDestroyWindow (instance);
+      if (This->uri) free (This->uri);
+      if (This->name) free (This->name);
+      NPN_MemFree(instance->pdata);
+      instance->pdata = NULL;
+    }
+
+  return NPERR_NO_ERROR;
+}
+
+
+NPError 
+NPP_SetWindow(NPP instance, NPWindow* window)
+{
+  debug ("NPP_SetWindow");
+
+  return VirtViewerXSetWindow(instance, window);
+}
+
+int32 
+NPP_WriteReady(NPP instance, NPStream *stream)
+{
+  /*printf("NPP_WriteReady()\n");*/
+  if (instance == NULL)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  /* We don't want any data, kill the stream */
+  NPN_DestroyStream(instance, stream, NPRES_DONE);
+
+  /* Number of bytes ready to accept in NPP_Write() */
+  return -1L;   /* don't accept any bytes in NPP_Write() */
+}
+
+int32 
+NPP_Write(NPP instance, NPStream *stream,
+          int32 offset G_GNUC_UNUSED, int32 len G_GNUC_UNUSED,
+          void *buffer G_GNUC_UNUSED)
+{
+  /*printf("NPP_Write()\n");*/
+  if (instance == NULL)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  /* We don't want any data, kill the stream */
+  NPN_DestroyStream(instance, stream, NPRES_DONE);
+
+  return -1L;   /* don't accept any bytes in NPP_Write() */
+}
+
+NPError 
+NPP_DestroyStream(NPP instance, NPStream *stream G_GNUC_UNUSED,
+                  NPError reason G_GNUC_UNUSED)
+{
+  /*printf("NPP_DestroyStream()\n");*/
+  if (instance == NULL)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+    /***** Insert NPP_DestroyStream code here *****\
+    PluginInstance* This;
+    This = (PluginInstance*) instance->pdata;
+    \**********************************************/
+
+    return NPERR_NO_ERROR;
+}
+
+void 
+NPP_StreamAsFile(NPP instance G_GNUC_UNUSED, NPStream *stream G_GNUC_UNUSED,
+                 const char* fname G_GNUC_UNUSED)
+{
+    /*printf("NPP_StreamAsFile()\n");*/
+    /***** Insert NPP_StreamAsFile code here *****\
+    PluginInstance* This;
+    if (instance != NULL)
+        This = (PluginInstance*) instance->pdata;
+    \*********************************************/
+}
+
+void
+NPP_URLNotify(NPP instance G_GNUC_UNUSED, const char* url G_GNUC_UNUSED,
+              NPReason reason G_GNUC_UNUSED, void* notifyData G_GNUC_UNUSED)
+{
+    /*printf("NPP_URLNotify()\n");*/
+    /***** Insert NPP_URLNotify code here *****\
+    PluginInstance* This;
+    if (instance != NULL)
+        This = (PluginInstance*) instance->pdata;
+    \*********************************************/
+}
+
+
+void 
+NPP_Print(NPP instance, NPPrint* printInfo)
+{
+    /*printf("NPP_Print()\n");*/
+    if(printInfo == NULL)
+        return;
+
+    if (instance != NULL) {
+    /***** Insert NPP_Print code here *****\
+        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.
+             */
+
+    /***** Insert NPP_Print code here *****\
+            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.
+             */
+
+    /***** Insert NPP_Print code here *****\
+            NPWindow* printWindow =
+                &(printInfo->print.embedPrint.window);
+            void* platformPrint =
+                printInfo->print.embedPrint.platformPrint;
+    \**************************************/
+        }
+    }
+}
+
+int16 NPP_HandleEvent(NPP instance, void* event)
+{
+  /*printf("NPP_HandleEvent()\n");*/
+
+  return VirtViewerXHandleEvent(instance, event);
+}