From 7404e79a6a2c1d98f32b65cc07a10955dfdc7876 Mon Sep 17 00:00:00 2001
From: Don Pellegrino <don@drexel.edu>
Date: Tue, 01 Sep 2009 22:27:23 +0000
Subject: Added example for building a web browser plugin for distribution.

---
diff --git a/src/plugin/README_plugin.txt b/src/plugin/README_plugin.txt
new file mode 100644
index 0000000..f7e6818
--- a/dev/null
+++ b/src/plugin/README_plugin.txt
@@ -0,0 +1,9 @@
+The contents of this directory are used to deploy the application as a
+web browser plugin.  The following references are relevant to the
+technologies used here:
+
+"Plugins," Mozilla Developer Center, last modified August 23, 2009, https://developer.mozilla.org/en/Plugins.
+
+"Shipping a plugin as an extension," Mozilla Developer Center, last
+modified June 2, 2008,
+https://developer.mozilla.org/en/Shipping_a_plugin_as_an_extension.
diff --git a/src/plugin/install.rdf b/src/plugin/install.rdf
new file mode 100644
index 0000000..552cc56
--- a/dev/null
+++ b/src/plugin/install.rdf
@@ -0,0 +1,19 @@
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+  <Description about="urn:mozilla:install-manifest">
+    <em:id>vistool@donpellegrino.com</em:id>
+    <em:name>Influenza Sequence Mapping Project Visualization Tool</em:name>
+    <em:version>1.0</em:version>
+    <em:targetApplication>
+      <Description>
+        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
+	<em:minVersion>1.5</em:minVersion>
+	<em:maxVersion>3.6.*</em:maxVersion>
+      </Description>
+    </em:targetApplication>
+    <em:creator>Don Pellegrino</em:creator>
+    <em:homepageURL>http://cluster.ischool.drexel.edu/~st96wym4/flumap/</em:homepageURL>
+    <em:description>Tool for interactive exploration of data from the Influenza Sequence Mapping Project.</em:description>    
+    <!-- Add update links here -->
+  </Description>
+</RDF>
diff --git a/src/plugin/make_xpi.sh b/src/plugin/make_xpi.sh
new file mode 100755
index 0000000..cb206db
--- a/dev/null
+++ b/src/plugin/make_xpi.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# This script creates a XPI file.
+
+# The structure of an Installable Bundle is documented on-line at:
+# https://developer.mozilla.org/en/Bundles.  Note that Iceweasel
+# 3.0.12 on Debian x86 is unable to find the library if gcc4 is used
+# in place of gcc3 or if the library name is not truncated to .so.
+# Also running from the GNOME taskbar does not include the DB2
+# run-time in the LD_LIBRARY_PATH which causes the library to fail to
+# load with no errors reported.  Running from a shell with the
+# LD_LIBRARY_PATH set resolves this.  DB2 run-time libraries should be
+# statically linked however static verions are not including with DB2
+# v9.5 Express/C.
+cp ../.libs/libflumapplugin.so.0.0.0 \
+platform/Linux_x86-gcc3/plugins/libflumapplugin.so
+
+# ZIP is used make the extension as per the instructions at:
+# https://developer.mozilla.org/en/Extension_Packaging
+zip -r flumap.xpi \
+install.rdf \
+platform/*
diff --git a/src/plugin/plugin.c b/src/plugin/plugin.c
new file mode 100644
index 0000000..300e2f3
--- a/dev/null
+++ b/src/plugin/plugin.c
@@ -0,0 +1,199 @@
+#include "plugin.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+/*
+ * This code is based on the Basic Plugin Example from Mozilla on-line
+ * at
+ * http://mxr.mozilla.org/mozilla-central/source/modules/plugin/sdk/samples/basic/unix/BasicPlugin.c.
+ */
+
+#define PLUGIN_NAME "Influenza Sequence Mapping Project Visualization Tool"
+#define PLUGIN_DESCRIPTION "A tool for data exploration and discovery."
+#define PLUGIN_VERSION "0.1"
+
+static NPNetscapeFuncs* sBrowserFuncs = NULL;
+
+typedef struct InstanceData
+{
+  NPP npp;
+  NPWindow window;
+} InstanceData;
+
+static void
+fillPluginFunctionTable (NPPluginFuncs* pFuncs)
+{
+  pFuncs->version = 11;
+  pFuncs->size = sizeof(*pFuncs);
+  pFuncs->newp = NPP_New;
+  pFuncs->destroy = NPP_Destroy;
+  pFuncs->setwindow = NPP_SetWindow;
+  pFuncs->newstream = NPP_NewStream;
+  pFuncs->destroystream = NPP_DestroyStream;
+  pFuncs->asfile = NPP_StreamAsFile;
+  pFuncs->writeready = NPP_WriteReady;
+  pFuncs->write = NPP_Write;
+  pFuncs->print = NPP_Print;
+  pFuncs->event = NPP_HandleEvent;
+  pFuncs->urlnotify = NPP_URLNotify;
+  pFuncs->getvalue = NPP_GetValue;
+  pFuncs->setvalue = NPP_SetValue;
+
+  return;
+}
+
+NP_EXPORT(NPError)
+NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs)
+{
+  sBrowserFuncs = bFuncs;
+
+  fillPluginFunctionTable(pFuncs);
+ 
+  return NPERR_NO_ERROR;
+}
+
+NP_EXPORT(char*)
+NP_GetPluginVersion()
+{
+  return PLUGIN_VERSION;
+}
+
+NP_EXPORT(char*)
+NP_GetMIMEDescription()
+{
+  return "application/x-flumap::Visualization Tool";
+}
+
+NP_EXPORT(NPError)
+NP_GetValue(void* future, NPPVariable aVariable, void* aValue)
+{
+  switch (aVariable) 
+    {
+    case NPPVpluginNameString:
+      *((char**)aValue) = PLUGIN_NAME;
+      break;
+    case NPPVpluginDescriptionString:
+      *((char**)aValue) = PLUGIN_DESCRIPTION;
+      break;
+    default:
+      return NPERR_INVALID_PARAM;
+      break;
+    }
+
+  return NPERR_NO_ERROR;
+}
+
+NP_EXPORT(NPError)
+NP_Shutdown()
+{
+  return NPERR_NO_ERROR;
+}
+ 
+NPError
+NPP_New(NPMIMEType pluginType, NPP instance, uint16_t mode, int16_t argc, char* argn[], char* argv[], NPSavedData* saved)
+{
+  // Make sure we can render this plugin
+  NPBool browserSupportsWindowless = false;
+  sBrowserFuncs->getvalue(instance, NPNVSupportsWindowless, &browserSupportsWindowless);
+  if (!browserSupportsWindowless) {
+    printf("Windowless mode not supported by the browser\n");
+    return NPERR_GENERIC_ERROR;
+  }
+
+  sBrowserFuncs->setvalue(instance, NPPVpluginWindowBool, (void*)false);
+
+  // set up our our instance data
+  InstanceData* instanceData = (InstanceData*)malloc(sizeof(InstanceData));
+  if (!instanceData)
+    return NPERR_OUT_OF_MEMORY_ERROR;
+  memset(instanceData, 0, sizeof(InstanceData));
+  instanceData->npp = instance;
+  instance->pdata = instanceData;
+ 
+  return NPERR_NO_ERROR;
+}
+ 
+NPError
+NPP_Destroy(NPP instance, NPSavedData** save)
+{
+  InstanceData* instanceData = (InstanceData*)(instance->pdata);
+  free(instanceData);
+  return NPERR_NO_ERROR;
+}
+ 
+NPError
+NPP_SetWindow(NPP instance, NPWindow* window)
+{
+  InstanceData* instanceData = (InstanceData*)(instance->pdata);
+  instanceData->window = *window;
+  return NPERR_NO_ERROR;
+}
+
+NPError
+NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream, NPBool seekable, uint16_t* stype)
+{
+  return NPERR_GENERIC_ERROR;
+}
+ 
+NPError
+NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
+{
+  return NPERR_GENERIC_ERROR;
+}
+
+int32_t
+NPP_WriteReady(NPP instance, NPStream* stream)
+{
+  return 0;
+}
+
+int32_t
+NPP_Write(NPP instance, NPStream* stream, int32_t offset, int32_t len, void* buffer)
+{
+  return 0;
+}
+
+void
+NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
+{
+  return;
+}
+ 
+void
+NPP_Print(NPP instance, NPPrint* platformPrint) {
+  return;
+}
+
+int16_t
+NPP_HandleEvent(NPP instance, void* event)
+{
+  InstanceData *instanceData = (InstanceData*)(instance->pdata);
+  //  XEvent *nativeEvent = (XEvent*)event;
+
+  //  if (nativeEvent->type != GraphicsExpose)
+  //return 0;
+
+  printf ("In NPP_HandleEvent for the plugin.\n");
+
+  return 1;
+}
+
+void
+NPP_URLNotify(NPP instance, const char* URL, NPReason reason, void* notifyData)
+{
+  return;
+}
+
+NPError
+NPP_GetValue(NPP instance, NPPVariable variable, void *value)
+{
+  return NPERR_GENERIC_ERROR;
+}
+
+NPError
+NPP_SetValue(NPP instance, NPNVariable variable, void *value)
+{
+  return NPERR_GENERIC_ERROR;
+}
diff --git a/src/plugin/plugin.h b/src/plugin/plugin.h
new file mode 100644
index 0000000..2f1d505
--- a/dev/null
+++ b/src/plugin/plugin.h
@@ -0,0 +1,29 @@
+#ifndef PLUGIN_H
+#define PLUGIN_H
+
+/*
+ * Based on Basic Plugin exmaple from Mozilla on-line at
+ * http://mxr.mozilla.org/mozilla-central/source/modules/plugin/sdk/samples/basic/unix/BasicPlugin.h
+ */
+
+#include <npapi.h>
+#include <npupp.h>
+
+NPError NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs);
+NPError NP_Shutdown();
+
+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);
+
+#endif // PLUGIN_H
diff --git a/src/plugin/test.html b/src/plugin/test.html
new file mode 100644
index 0000000..ce35369
--- a/dev/null
+++ b/src/plugin/test.html
@@ -0,0 +1,17 @@
+<html>
+  <body>
+
+    <center><h1>Basic Plugin Example for Mozilla Test Case</h1></center>
+
+    This test case is to demonstrate the Basic Plugin example. You
+    should see the plugin window with the black frame aroung it and
+    the browser user agent string which plugin draws inside the
+    window.
+    <br><br>
+ 
+    <center>
+      <embed type="application/x-flumap" width=600 height=80>
+    </center>
+
+  </body>
+</html>
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