Mercurial > hg > release > icedtea6-1.7
changeset 1742:ad96ca42aab3
Remove gcjwebplugin.cc (support removed in 1.5)
2009-10-22 Matthias Klose <doko@ubuntu.com>
* gcjwebplugin.cc: Remove.
author | doko@ubuntu.com |
---|---|
date | Thu, 22 Oct 2009 08:00:17 +0200 |
parents | 86a05a0cec75 |
children | b862917f2b93 ec4d712ef133 |
files | ChangeLog gcjwebplugin.cc |
diffstat | 2 files changed, 4 insertions(+), 1661 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog Wed Oct 21 17:00:21 2009 +0100 +++ b/ChangeLog Thu Oct 22 08:00:17 2009 +0200 @@ -1,3 +1,7 @@ +2009-10-22 Matthias Klose <doko@ubuntu.com> + + * gcjwebplugin.cc: Remove. + 2009-10-21 Andrew John Hughes <ahughes@redhat.com> Correctly use original build by default.
--- a/gcjwebplugin.cc Wed Oct 21 17:00:21 2009 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1661 +0,0 @@ -/* gcjwebplugin.cc -- web browser plugin to execute Java applets - Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -// System includes. -#include <dlfcn.h> -#include <errno.h> -#include <libgen.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> - -// Netscape plugin API includes. -#include <npapi.h> -#include <npupp.h> - -// GLib includes. -#include <glib.h> -#include <glib/gstdio.h> - -// GTK includes. -#include <gtk/gtk.h> - -// Documentbase retrieval includes. -#include <nsIPluginInstance.h> -#include <nsIPluginInstancePeer.h> -#include <nsIPluginTagInfo2.h> - -// Debugging macros. -#define PLUGIN_DEBUG(message) \ - g_print ("GCJ PLUGIN: thread %p: %s\n", g_thread_self (), message) - -#define PLUGIN_DEBUG_TWO(first, second) \ - g_print ("GCJ PLUGIN: thread %p: %s %s\n", g_thread_self (), \ - first, second) - -// Error reporting macros. -#define PLUGIN_ERROR(message) \ - g_printerr ("%s:%d: thread %p: Error: %s\n", __FILE__, __LINE__, \ - g_thread_self (), message) - -#define PLUGIN_ERROR_TWO(first, second) \ - g_printerr ("%s:%d: thread %p: Error: %s: %s\n", __FILE__, __LINE__, \ - g_thread_self (), first, second) - -#define PLUGIN_ERROR_THREE(first, second, third) \ - g_printerr ("%s:%d: thread %p: Error: %s: %s: %s\n", __FILE__, \ - __LINE__, g_thread_self (), first, second, third) - -// Plugin information passed to about:plugins. -#define PLUGIN_NAME "GCJ Web Browser Plugin (using IcedTea)" -#define PLUGIN_DESC "The " PLUGIN_NAME PLUGIN_VERSION " executes Java applets." -#define PLUGIN_MIME_DESC \ - "application/x-java-vm:class,jar:IcedTea;" \ - "application/x-java-applet:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.1:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.1.1:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.1.2:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.1.3:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.2:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.2.1:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.2.2:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.3:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.3.1:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.4:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.4.1:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.4.2:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.5:class,jar:IcedTea;" \ - "application/x-java-applet;version=1.6:class,jar:IcedTea;" \ - "application/x-java-applet;jpi-version=1.6.0_00:class,jar:IcedTea;" \ - "application/x-java-bean:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.1:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.1.1:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.1.2:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.1.3:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.2:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.2.1:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.2.2:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.3:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.3.1:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.4:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.4.1:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.4.2:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.5:class,jar:IcedTea;" \ - "application/x-java-bean;version=1.6:class,jar:IcedTea;" \ - "application/x-java-bean;jpi-version=1.6.0_00:class,jar:IcedTea;" -#define PLUGIN_URL NS_INLINE_PLUGIN_CONTRACTID_PREFIX NS_JVM_MIME_TYPE -#define PLUGIN_MIME_TYPE "application/x-java-vm" -#define PLUGIN_FILE_EXTS "class,jar,zip" -#define PLUGIN_MIME_COUNT 1 - -#define FAILURE_MESSAGE "gcjwebplugin error: Failed to run %s." \ - " For more detail rerun \"firefox -g\" in a terminal window." - -// Documentbase retrieval required definition. -static NS_DEFINE_IID (kIPluginTagInfo2IID, NS_IPLUGINTAGINFO2_IID); - -// Browser function table. -static NPNetscapeFuncs browserFunctions; - -// Data directory for plugin. -static gchar* data_directory = NULL; - -// Fully-qualified appletviewer executable. -static gchar* appletviewer_executable = NULL; - -// Keeps track of initialization. NP_Initialize should only be -// called once. -gboolean initialized = false; - -// GCJPluginData stores all the data associated with a single plugin -// instance. A separate plugin instance is created for each <APPLET> -// tag. For now, each plugin instance spawns its own applet viewer -// process but this may need to change if we find pages containing -// multiple applets that expect to be running in the same VM. -struct GCJPluginData -{ - // A unique identifier for this plugin window. - gchar* instance_string; - // Applet viewer input pipe name. - gchar* in_pipe_name; - // Applet viewer input channel. - GIOChannel* in_from_appletviewer; - // Applet viewer input watch source. - gint in_watch_source; - // Applet viewer output pipe name. - gchar* out_pipe_name; - // Applet viewer output channel. - GIOChannel* out_to_appletviewer; - // Applet viewer output watch source. - gint out_watch_source; - // Mutex to protect appletviewer_alive. - GMutex* appletviewer_mutex; - // Back-pointer to the plugin instance to which this data belongs. - // This should not be freed but instead simply set to NULL. - NPP owner; - // FALSE if the applet viewer process has died. All code - // communicating with the applet viewer should check this flag - // before attempting to read from/write to the applet viewer pipes. - gboolean appletviewer_alive; - // The address of the plugin window. This should not be freed but - // instead simply set to NULL. - gpointer window_handle; - // The last plugin window width sent to us by the browser. - guint32 window_width; - // The last plugin window height sent to us by the browser. - guint32 window_height; -}; - -// Documentbase retrieval type-punning union. -typedef union -{ - void** void_field; - nsIPluginTagInfo2** info_field; -} info_union; - -// Static instance helper functions. -// Have the browser allocate a new GCJPluginData structure. -static void plugin_data_new (GCJPluginData** data); -// Retrieve the current document's documentbase. -static gchar* plugin_get_documentbase (NPP instance); -// Notify the user that the appletviewer is not installed correctly. -static void plugin_display_failure_dialog (); -// Callback used to monitor input pipe status. -static gboolean plugin_in_pipe_callback (GIOChannel* source, - GIOCondition condition, - gpointer plugin_data); -// Callback used to monitor output pipe status. -static gboolean plugin_out_pipe_callback (GIOChannel* source, - GIOCondition condition, - gpointer plugin_data); -static NPError plugin_start_appletviewer (GCJPluginData* data); -static gchar* plugin_create_applet_tag (int16 argc, char* argn[], - char* argv[]); -static void plugin_send_message_to_appletviewer (GCJPluginData* data, - gchar const* message); -static void plugin_stop_appletviewer (GCJPluginData* data); -// Uninitialize GCJPluginData structure and delete pipes. -static void plugin_data_destroy (GCJPluginData** data); - -// Global instance counter. -// Mutex to protect plugin_instance_counter. -static GMutex* plugin_instance_mutex = NULL; -// A counter used to create uniquely named pipes. -static gulong plugin_instance_counter = 0; -// A global variable for reporting GLib errors. This must be free'd -// and set to NULL after each use. -static GError* channel_error = NULL; - -// Functions prefixed by GCJ_ are instance functions. They are called -// by the browser and operate on instances of GCJPluginData. -// Functions prefixed by plugin_ are static helper functions. -// Functions prefixed by NP_ are factory functions. They are called -// by the browser and provide functionality needed to create plugin -// instances. - -// INSTANCE FUNCTIONS - -// Creates a new gcjwebplugin instance. This function creates a -// GCJPluginData* and stores it in instance->pdata. The following -// GCJPluginData fiels are initialized: instance_string, in_pipe_name, -// in_from_appletviewer, in_watch_source, out_pipe_name, -// out_to_appletviewer, out_watch_source, appletviewer_mutex, owner, -// appletviewer_alive. In addition two pipe files are created. All -// of those fields must be properly destroyed, and the pipes deleted, -// by GCJ_Destroy. If an error occurs during initialization then this -// function will free anything that's been allocated so far, set -// instance->pdata to NULL and return an error code. -NPError -GCJ_New (NPMIMEType pluginType, NPP instance, uint16 mode, - int16 argc, char* argn[], char* argv[], - NPSavedData* saved) -{ - PLUGIN_DEBUG ("GCJ_New"); - - NPError np_error = NPERR_NO_ERROR; - GCJPluginData* data = NULL; - - gchar* documentbase = NULL; - gchar* read_message = NULL; - gchar* applet_tag = NULL; - gchar* tag_message = NULL; - - if (!instance) - { - PLUGIN_ERROR ("Browser-provided instance pointer is NULL."); - np_error = NPERR_INVALID_INSTANCE_ERROR; - goto cleanup_done; - } - - // data - plugin_data_new (&data); - if (data == NULL) - { - PLUGIN_ERROR ("Failed to allocate plugin data."); - np_error = NPERR_OUT_OF_MEMORY_ERROR; - goto cleanup_done; - } - - // Initialize data->instance_string. - // - // instance_string should be unique for this process so we use a - // combination of getpid and plugin_instance_counter. - // - // Critical region. Reference and increment plugin_instance_counter - // global. - g_mutex_lock (plugin_instance_mutex); - - // data->instance_string - data->instance_string = g_strdup_printf ("instance-%d-%ld", - getpid (), - plugin_instance_counter++); - - g_mutex_unlock (plugin_instance_mutex); - - // data->appletviewer_mutex - data->appletviewer_mutex = g_mutex_new (); - - // Documentbase retrieval. - documentbase = plugin_get_documentbase (instance); - if (!documentbase) - { - PLUGIN_ERROR ("Documentbase retrieval failed." - " Browser not Mozilla-based?"); - goto cleanup_appletviewer_mutex; - } - - // Create appletviewer-to-plugin pipe which we refer to as the input - // pipe. - - // data->in_pipe_name - data->in_pipe_name = g_strdup_printf ("%s/gcj-%s-appletviewer-to-plugin", - data_directory, data->instance_string); - if (!data->in_pipe_name) - { - PLUGIN_ERROR ("Failed to create input pipe name."); - np_error = NPERR_OUT_OF_MEMORY_ERROR; - // If data->in_pipe_name is NULL then the g_free at - // cleanup_in_pipe_name will simply return. - goto cleanup_in_pipe_name; - } - - PLUGIN_DEBUG_TWO ("GCJ_New: creating input fifo:", data->in_pipe_name); - if (mkfifo (data->in_pipe_name, 0700) == -1 && errno != EEXIST) - { - PLUGIN_ERROR_TWO ("Failed to create input pipe", strerror (errno)); - np_error = NPERR_GENERIC_ERROR; - goto cleanup_in_pipe_name; - } - PLUGIN_DEBUG_TWO ("GCJ_New: created input fifo:", data->in_pipe_name); - - // Create plugin-to-appletviewer pipe which we refer to as the - // output pipe. - - // data->out_pipe_name - data->out_pipe_name = g_strdup_printf ("%s/gcj-%s-plugin-to-appletviewer", - data_directory, data->instance_string); - - if (!data->out_pipe_name) - { - PLUGIN_ERROR ("Failed to create output pipe name."); - np_error = NPERR_OUT_OF_MEMORY_ERROR; - goto cleanup_out_pipe_name; - } - - PLUGIN_DEBUG_TWO ("GCJ_New: creating output fifo:", data->out_pipe_name); - if (mkfifo (data->out_pipe_name, 0700) == -1 && errno != EEXIST) - { - PLUGIN_ERROR_TWO ("Failed to create output pipe", strerror (errno)); - np_error = NPERR_GENERIC_ERROR; - goto cleanup_out_pipe_name; - } - PLUGIN_DEBUG_TWO ("GCJ_New: created output fifo:", data->out_pipe_name); - - // Start a separate appletviewer process for each applet, even if - // there are multiple applets in the same page. We may need to - // change this behaviour if we find pages with multiple applets that - // rely on being run in the same VM. - - // Critical region. Hold appletviewer_mutex while we start the - // appletviewer, create the IO channels and install the channel - // watch callbacks. - g_mutex_lock (data->appletviewer_mutex); - - np_error = plugin_start_appletviewer (data); - - // Create plugin-to-appletviewer channel. The default encoding for - // the file is UTF-8. - // data->out_to_appletviewer - data->out_to_appletviewer = g_io_channel_new_file (data->out_pipe_name, - "w", &channel_error); - if (!data->out_to_appletviewer) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to create output channel", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to create output channel"); - - np_error = NPERR_GENERIC_ERROR; - goto cleanup_out_to_appletviewer; - } - - // Watch for hangup and error signals on the output pipe. - data->out_watch_source = - g_io_add_watch (data->out_to_appletviewer, - (GIOCondition) (G_IO_ERR | G_IO_HUP), - plugin_out_pipe_callback, (gpointer) data); - - // Create appletviewer-to-plugin channel. The default encoding for - // the file is UTF-8. - // data->in_from_appletviewer - data->in_from_appletviewer = g_io_channel_new_file (data->in_pipe_name, - "r", &channel_error); - if (!data->in_from_appletviewer) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to create input channel", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to create input channel"); - - np_error = NPERR_GENERIC_ERROR; - goto cleanup_in_from_appletviewer; - } - - // Watch for hangup and error signals on the input pipe. - data->in_watch_source = - g_io_add_watch (data->in_from_appletviewer, - (GIOCondition) (G_IO_IN | G_IO_ERR | G_IO_HUP), - plugin_in_pipe_callback, (gpointer) data); - - // Wait until we receive confirmation that the appletviewer has - // started. - if (g_io_channel_read_line (data->in_from_appletviewer, - &read_message, NULL, NULL, - &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Receiving confirmation from appletviewer failed", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Receiving confirmation from appletviewer failed"); - - np_error = NPERR_GENERIC_ERROR; - goto cleanup_in_watch_source; - } - - PLUGIN_DEBUG ("GCJ_New: got confirmation that appletviewer is running."); - data->appletviewer_alive = TRUE; - - // Send applet tag message to appletviewer. - applet_tag = plugin_create_applet_tag (argc, argn, argv); - tag_message = g_strconcat ("tag ", documentbase, " ", applet_tag, NULL); - - plugin_send_message_to_appletviewer (data, data->instance_string); - plugin_send_message_to_appletviewer (data, tag_message); - - g_mutex_unlock (data->appletviewer_mutex); - - // If initialization succeeded entirely then we store the plugin - // data in the instance structure and return. Otherwise we free the - // data we've allocated so far and set instance->pdata to NULL. - - // Set back-pointer to owner instance. - data->owner = instance; - instance->pdata = data; - goto cleanup_done; - - // An error occurred while initializing the plugin data or spawning - // the appletviewer so we free the data we've already allocated. - - cleanup_in_watch_source: - // Removing a source is harmless if it fails since it just means the - // source has already been removed. - g_source_remove (data->in_watch_source); - data->in_watch_source = 0; - - cleanup_in_from_appletviewer: - if (data->in_from_appletviewer) - g_io_channel_unref (data->in_from_appletviewer); - data->in_from_appletviewer = NULL; - - // cleanup_out_watch_source: - g_source_remove (data->out_watch_source); - data->out_watch_source = 0; - - cleanup_out_to_appletviewer: - if (data->out_to_appletviewer) - g_io_channel_unref (data->out_to_appletviewer); - data->out_to_appletviewer = NULL; - - // cleanup_out_pipe: - // Delete output pipe. - PLUGIN_DEBUG_TWO ("GCJ_New: deleting input fifo:", data->in_pipe_name); - unlink (data->out_pipe_name); - PLUGIN_DEBUG_TWO ("GCJ_New: deleted input fifo:", data->in_pipe_name); - - cleanup_out_pipe_name: - g_free (data->out_pipe_name); - data->out_pipe_name = NULL; - - // cleanup_in_pipe: - // Delete input pipe. - PLUGIN_DEBUG_TWO ("GCJ_New: deleting output fifo:", data->out_pipe_name); - unlink (data->in_pipe_name); - PLUGIN_DEBUG_TWO ("GCJ_New: deleted output fifo:", data->out_pipe_name); - - cleanup_in_pipe_name: - g_free (data->in_pipe_name); - data->in_pipe_name = NULL; - - cleanup_appletviewer_mutex: - g_free (data->appletviewer_mutex); - data->appletviewer_mutex = NULL; - - // cleanup_instance_string: - g_free (data->instance_string); - data->instance_string = NULL; - - // cleanup_data: - // Eliminate back-pointer to plugin instance. - data->owner = NULL; - (*browserFunctions.memfree) (data); - data = NULL; - - // Initialization failed so return a NULL pointer for the browser - // data. - instance->pdata = NULL; - - cleanup_done: - g_free (tag_message); - tag_message = NULL; - g_free (applet_tag); - applet_tag = NULL; - g_free (read_message); - read_message = NULL; - g_free (documentbase); - documentbase = NULL; - - PLUGIN_DEBUG ("GCJ_New return"); - - return np_error; -} - -NPError -GCJ_GetValue (NPP instance, NPPVariable variable, void* value) -{ - PLUGIN_DEBUG ("GCJ_GetValue"); - - NPError np_error = NPERR_NO_ERROR; - - switch (variable) - { - // This plugin needs XEmbed support. - case NPPVpluginNeedsXEmbed: - { - PLUGIN_DEBUG ("GCJ_GetValue: returning TRUE for NeedsXEmbed."); - PRBool* bool_value = (PRBool*) value; - *bool_value = PR_TRUE; - } - break; - - default: - PLUGIN_ERROR ("Unknown plugin value requested."); - np_error = NPERR_GENERIC_ERROR; - break; - } - - PLUGIN_DEBUG ("GCJ_GetValue return"); - - return np_error; -} - -NPError -GCJ_Destroy (NPP instance, NPSavedData** save) -{ - PLUGIN_DEBUG ("GCJ_Destroy"); - - GCJPluginData* data = (GCJPluginData*) instance->pdata; - - if (data) - { - // Critical region. Stop the appletviewer. - g_mutex_lock (data->appletviewer_mutex); - - // Tell the appletviewer to destroy its embedded plugin window. - plugin_send_message_to_appletviewer (data, "destroy"); - // Shut down the appletviewer. - plugin_stop_appletviewer (data); - - g_mutex_unlock (data->appletviewer_mutex); - - // Free plugin data. - plugin_data_destroy (&data); - } - - PLUGIN_DEBUG ("GCJ_Destroy return"); - - return NPERR_NO_ERROR; -} - -NPError -GCJ_SetWindow (NPP instance, NPWindow* window) -{ - PLUGIN_DEBUG ("GCJ_SetWindow"); - - if (instance == NULL) - { - PLUGIN_ERROR ("Invalid instance."); - - return NPERR_INVALID_INSTANCE_ERROR; - } - - GCJPluginData* data = (GCJPluginData*) instance->pdata; - - // Simply return if we receive a NULL window. - if ((window == NULL) || (window->window == NULL)) - { - PLUGIN_DEBUG ("GCJ_SetWindow: got NULL window."); - - return NPERR_NO_ERROR; - } - - if (data->window_handle) - { - // The window already exists. - if (data->window_handle == window->window) - { - // The parent window is the same as in previous calls. - PLUGIN_DEBUG ("GCJ_SetWindow: window already exists."); - - // Critical region. Read data->appletviewer_mutex and send - // a message to the appletviewer. - g_mutex_lock (data->appletviewer_mutex); - - if (data->appletviewer_alive) - { - // The window is the same as it was for the last - // SetWindow call. - if (window->width != data->window_width) - { - PLUGIN_DEBUG ("GCJ_SetWindow: window width changed."); - // The width of the plugin window has changed. - - // Send the new width to the appletviewer. - plugin_send_message_to_appletviewer (data, - data->instance_string); - gchar* width_message = g_strdup_printf ("width %d", - window->width); - plugin_send_message_to_appletviewer (data, width_message); - g_free (width_message); - width_message = NULL; - - // Store the new width. - data->window_width = window->width; - } - - if (window->height != data->window_height) - { - PLUGIN_DEBUG ("GCJ_SetWindow: window height changed."); - // The height of the plugin window has changed. - - // Send the new height to the appletviewer. - plugin_send_message_to_appletviewer (data, - data->instance_string); - gchar* height_message = g_strdup_printf ("height %d", - window->height); - plugin_send_message_to_appletviewer (data, height_message); - g_free (height_message); - height_message = NULL; - - // Store the new height. - data->window_height = window->height; - } - } - else - { - // The appletviewer is not running. - PLUGIN_DEBUG ("GCJ_SetWindow: appletviewer is not running."); - } - - g_mutex_unlock (data->appletviewer_mutex); - } - else - { - // The parent window has changed. This branch does run but - // doing nothing in response seems to be sufficient. - PLUGIN_DEBUG ("GCJ_SetWindow: parent window changed."); - } - } - else - { - PLUGIN_DEBUG ("GCJ_SetWindow: setting window."); - - // Critical region. Send messages to appletviewer. - g_mutex_lock (data->appletviewer_mutex); - - plugin_send_message_to_appletviewer (data, data->instance_string); - gchar *window_message = g_strdup_printf ("handle %ld width %d height %d", - (gulong) window->window, - window->width, - window->height); - plugin_send_message_to_appletviewer (data, window_message); - g_free (window_message); - window_message = NULL; - - g_mutex_unlock (data->appletviewer_mutex); - - // Store the window handle. - data->window_handle = window->window; - } - - PLUGIN_DEBUG ("GCJ_SetWindow return"); - - return NPERR_NO_ERROR; -} - -NPError -GCJ_NewStream (NPP instance, NPMIMEType type, NPStream* stream, - NPBool seekable, uint16* stype) -{ - PLUGIN_DEBUG ("GCJ_NewStream"); - - PLUGIN_DEBUG ("GCJ_NewStream return"); - - return NPERR_NO_ERROR; -} - -void -GCJ_StreamAsFile (NPP instance, NPStream* stream, const char* filename) -{ - PLUGIN_DEBUG ("GCJ_StreamAsFile"); - - PLUGIN_DEBUG ("GCJ_StreamAsFile return"); -} - -NPError -GCJ_DestroyStream (NPP instance, NPStream* stream, NPReason reason) -{ - PLUGIN_DEBUG ("GCJ_DestroyStream"); - - PLUGIN_DEBUG ("GCJ_DestroyStream return"); - - return NPERR_NO_ERROR; -} - -int32 -GCJ_WriteReady (NPP instance, NPStream* stream) -{ - PLUGIN_DEBUG ("GCJ_WriteReady"); - - PLUGIN_DEBUG ("GCJ_WriteReady return"); - - return 0; -} - -int32 -GCJ_Write (NPP instance, NPStream* stream, int32 offset, int32 len, - void* buffer) -{ - PLUGIN_DEBUG ("GCJ_Write"); - - PLUGIN_DEBUG ("GCJ_Write return"); - - return 0; -} - -void -GCJ_Print (NPP instance, NPPrint* platformPrint) -{ - PLUGIN_DEBUG ("GCJ_Print"); - - PLUGIN_DEBUG ("GCJ_Print return"); -} - -int16 -GCJ_HandleEvent (NPP instance, void* event) -{ - PLUGIN_DEBUG ("GCJ_HandleEvent"); - - PLUGIN_DEBUG ("GCJ_HandleEvent return"); - - return 0; -} - -void -GCJ_URLNotify (NPP instance, const char* url, NPReason reason, - void* notifyData) -{ - PLUGIN_DEBUG ("GCJ_URLNotify"); - - PLUGIN_DEBUG ("GCJ_URLNotify return"); -} - -jref -GCJ_GetJavaClass (void) -{ - PLUGIN_DEBUG ("GCJ_GetJavaClass"); - - PLUGIN_DEBUG ("GCJ_GetJavaClass return"); - - return 0; -} - -// HELPER FUNCTIONS - -static void -plugin_data_new (GCJPluginData** data) -{ - PLUGIN_DEBUG ("plugin_data_new"); - - *data = (GCJPluginData*) - (*browserFunctions.memalloc) (sizeof (struct GCJPluginData)); - - // appletviewer_alive is false until the applet viewer is spawned. - if (*data) - memset (*data, 0, sizeof (struct GCJPluginData)); - - PLUGIN_DEBUG ("plugin_data_new return"); -} - -// Documentbase retrieval. This function gets the current document's -// documentbase. This function relies on browser-private data so it -// will only work when the plugin is loaded in a Mozilla-based -// browser. We could not find a way to retrieve the documentbase -// using the original Netscape plugin API so we use the XPCOM API -// instead. -static gchar* -plugin_get_documentbase (NPP instance) -{ - PLUGIN_DEBUG ("plugin_get_documentbase"); - - nsIPluginInstance* xpcom_instance = NULL; - nsIPluginInstancePeer* peer = NULL; - nsresult result = 0; - nsIPluginTagInfo2* pluginTagInfo2 = NULL; - info_union u = { NULL }; - char const* documentbase = NULL; - gchar* documentbase_copy = NULL; - - xpcom_instance = (nsIPluginInstance*) (instance->ndata); - if (!xpcom_instance) - { - PLUGIN_ERROR ("xpcom_instance is NULL."); - goto cleanup_done; - } - - xpcom_instance->GetPeer (&peer); - if (!peer) - { - PLUGIN_ERROR ("peer is NULL."); - goto cleanup_done; - } - - u.info_field = &pluginTagInfo2; - - result = peer->QueryInterface (kIPluginTagInfo2IID, - u.void_field); - if (result || !pluginTagInfo2) - { - PLUGIN_ERROR ("pluginTagInfo2 retrieval failed."); - goto cleanup_peer; - } - - pluginTagInfo2->GetDocumentBase (&documentbase); - - if (!documentbase) - { - PLUGIN_ERROR ("documentbase is NULL."); - goto cleanup_plugintaginfo2; - } - - documentbase_copy = g_strdup (documentbase); - - // Release references. - cleanup_plugintaginfo2: - NS_RELEASE (pluginTagInfo2); - - cleanup_peer: - NS_RELEASE (peer); - - cleanup_done: - PLUGIN_DEBUG ("plugin_get_documentbase return"); - - return documentbase_copy; -} - -// This function displays an error message if the appletviewer has not -// been installed correctly. -static void -plugin_display_failure_dialog () -{ - GtkWidget* dialog = NULL; - - PLUGIN_DEBUG ("plugin_display_failure_dialog"); - - dialog = gtk_message_dialog_new (NULL, - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, - GTK_BUTTONS_CLOSE, - FAILURE_MESSAGE, - appletviewer_executable); - gtk_widget_show_all (dialog); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); - - PLUGIN_DEBUG ("plugin_display_failure_dialog return"); -} - -// plugin_in_pipe_callback is called when data is available on the -// input pipe, or when the appletviewer crashes or is killed. It may -// be called after data has been destroyed in which case it simply -// returns FALSE to remove itself from the glib main loop. -static gboolean -plugin_in_pipe_callback (GIOChannel* source, - GIOCondition condition, - gpointer plugin_data) -{ - PLUGIN_DEBUG ("plugin_in_pipe_callback"); - - GCJPluginData* data = (GCJPluginData*) plugin_data; - gboolean keep_installed = TRUE; - - // If data is NULL then GCJ_Destroy has already been called and - // plugin_in_pipe_callback is being called after plugin - // destruction. In that case all we need to do is return FALSE so - // that the plugin_in_pipe_callback watch is removed. - if (data) - { - // Critical region. Set or clear data->appletviewer_alive. - g_mutex_lock (data->appletviewer_mutex); - - if (condition & G_IO_IN) - { - gchar* message = NULL; - - if (g_io_channel_read_line (data->in_from_appletviewer, - &message, NULL, NULL, - &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to read line from input channel", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to read line from input channel"); - } - else - { - // Remove trailing newline from message. - message[strlen (message) - 1] = '\0'; - if (g_str_has_prefix (message, "url ")) - { - gchar** parts = g_strsplit (message, " ", 3); - PLUGIN_DEBUG_TWO ("plugin_in_pipe_callback:" - " opening URL", parts[1]); - PLUGIN_DEBUG_TWO ("plugin_in_pipe_callback:" - " URL target", parts[2]); - // Open the URL in a new browser window. - NPError np_error = - (*browserFunctions.geturl) (data->owner, parts[1], - parts[2]); - if (np_error != NPERR_NO_ERROR) - PLUGIN_ERROR ("Failed to load URL."); - g_strfreev (parts); - parts = NULL; - } - else if (g_str_has_prefix (message, "status ")) - { - gchar** parts = g_strsplit (message, " ", 2); - - PLUGIN_DEBUG_TWO ("plugin_in_pipe_callback:" - " setting status", parts[1]); - (*browserFunctions.status) (data->owner, - parts[1]); - g_strfreev (parts); - parts = NULL; - } - g_print (" PIPE: plugin read: %s\n", message); - } - - g_free (message); - message = NULL; - - keep_installed = TRUE; - } - - if (condition & (G_IO_ERR | G_IO_HUP)) - { - PLUGIN_DEBUG ("appletviewer has stopped."); - data->appletviewer_alive = FALSE; - keep_installed = FALSE; - } - g_mutex_unlock (data->appletviewer_mutex); - } - - PLUGIN_DEBUG ("plugin_in_pipe_callback return"); - - return keep_installed; -} - -// plugin_out_pipe_callback is called when the appletviewer crashes or -// is killed. It may be called after data has been destroyed in which -// case it simply returns FALSE to remove itself from the glib main -// loop. -static gboolean -plugin_out_pipe_callback (GIOChannel* source, - GIOCondition condition, - gpointer plugin_data) -{ - PLUGIN_DEBUG ("plugin_out_pipe_callback"); - - GCJPluginData* data = (GCJPluginData*) plugin_data; - - // If data is NULL then GCJ_Destroy has already been called and - // plugin_out_pipe_callback is being called after plugin - // destruction. In that case all we need to do is return FALSE so - // that the plugin_out_pipe_callback watch is removed. - if (data) - { - // Critical region. Clear data->appletviewer_alive. - g_mutex_lock (data->appletviewer_mutex); - - PLUGIN_DEBUG ("plugin_out_pipe_callback: appletviewer has stopped."); - data->appletviewer_alive = FALSE; - - g_mutex_unlock (data->appletviewer_mutex); - } - - PLUGIN_DEBUG ("plugin_out_pipe_callback return"); - - return FALSE; -} - -static NPError -plugin_test_appletviewer () -{ - PLUGIN_DEBUG ("plugin_test_appletviewer"); - NPError error = NPERR_NO_ERROR; - - gchar* command_line[2] = { NULL, NULL }; - - command_line[0] = g_strdup (appletviewer_executable); - command_line[1] = NULL; - - if (!g_spawn_async (NULL, command_line, NULL, (GSpawnFlags) 0, - NULL, NULL, NULL, &channel_error)) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to spawn applet viewer", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to spawn applet viewer"); - error = NPERR_GENERIC_ERROR; - } - - g_free (command_line[0]); - command_line[0] = NULL; - g_free (command_line[1]); - command_line[1] = NULL; - - PLUGIN_DEBUG ("plugin_test_appletviewer return"); - return error; -} - -static NPError -plugin_start_appletviewer (GCJPluginData* data) -{ - PLUGIN_DEBUG ("plugin_start_appletviewer"); - NPError error = NPERR_NO_ERROR; - - if (!data->appletviewer_alive) - { - gchar* command_line[4] = { NULL, NULL, NULL, NULL }; - - command_line[0] = g_strdup (appletviewer_executable); - // Output from plugin's perspective is appletviewer's input. - // Input from plugin's perspective is appletviewer's output. - command_line[1] = g_strdup (data->out_pipe_name); - command_line[2] = g_strdup (data->in_pipe_name); - command_line[3] = NULL; - - if (!g_spawn_async (NULL, command_line, NULL, (GSpawnFlags) 0, - NULL, NULL, NULL, &channel_error)) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to spawn applet viewer", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to spawn applet viewer"); - error = NPERR_GENERIC_ERROR; - } - - g_free (command_line[0]); - command_line[0] = NULL; - g_free (command_line[1]); - command_line[1] = NULL; - g_free (command_line[2]); - command_line[2] = NULL; - g_free (command_line[3]); - command_line[3] = NULL; - } - - PLUGIN_DEBUG ("plugin_start_appletviewer return"); - return error; -} - -// Build up the applet tag string that we'll send to the applet -// viewer. -static gchar* -plugin_create_applet_tag (int16 argc, char* argn[], char* argv[]) -{ - PLUGIN_DEBUG ("plugin_create_applet_tag"); - - gchar* applet_tag = g_strdup ("<EMBED "); - gchar* parameters = g_strdup (""); - - for (int16 i = 0; i < argc; i++) - { - if (!g_ascii_strcasecmp (argn[i], "code")) - { - gchar* code = g_strdup_printf ("CODE=\"%s\" ", argv[i]); - applet_tag = g_strconcat (applet_tag, code, NULL); - g_free (code); - code = NULL; - } - else if (!g_ascii_strcasecmp (argn[i], "codebase")) - { - gchar* codebase = g_strdup_printf ("CODEBASE=\"%s\" ", argv[i]); - applet_tag = g_strconcat (applet_tag, codebase, NULL); - g_free (codebase); - codebase = NULL; - } - else if (!g_ascii_strcasecmp (argn[i], "archive")) - { - gchar* archive = g_strdup_printf ("ARCHIVE=\"%s\" ", argv[i]); - applet_tag = g_strconcat (applet_tag, archive, NULL); - g_free (archive); - archive = NULL; - } - else if (!g_ascii_strcasecmp (argn[i], "width")) - { - gchar* width = g_strdup_printf ("WIDTH=\"%s\" ", argv[i]); - applet_tag = g_strconcat (applet_tag, width, NULL); - g_free (width); - width = NULL; - } - else if (!g_ascii_strcasecmp (argn[i], "height")) - { - gchar* height = g_strdup_printf ("HEIGHT=\"%s\" ", argv[i]); - applet_tag = g_strconcat (applet_tag, height, NULL); - g_free (height); - height = NULL; - } - else - { - // Escape the parameter value so that line termination - // characters will pass through the pipe. - if (argv[i] != '\0') - { - gchar* escaped = NULL; - - escaped = g_strescape (argv[i], NULL); - parameters = g_strconcat (parameters, "<PARAM NAME=\"", argn[i], - "\" VALUE=\"", escaped, "\">", NULL); - - g_free (escaped); - escaped = NULL; - } - } - } - - applet_tag = g_strconcat (applet_tag, ">", parameters, "</EMBED>", NULL); - - g_free (parameters); - parameters = NULL; - - PLUGIN_DEBUG ("plugin_create_applet_tag return"); - - return applet_tag; -} - -// plugin_send_message_to_appletviewer must be called while holding -// data->appletviewer_mutex. -static void -plugin_send_message_to_appletviewer (GCJPluginData* data, gchar const* message) -{ - PLUGIN_DEBUG ("plugin_send_message_to_appletviewer"); - - if (data->appletviewer_alive) - { - gchar* newline_message = NULL; - gsize bytes_written = 0; - - // Send message to appletviewer. - newline_message = g_strdup_printf ("%s\n", message); - - // g_io_channel_write_chars will return something other than - // G_IO_STATUS_NORMAL if not all the data is written. In that - // case we fail rather than retrying. - if (g_io_channel_write_chars (data->out_to_appletviewer, - newline_message, -1, &bytes_written, - &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to write bytes to output channel", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to write bytes to output channel"); - } - - if (g_io_channel_flush (data->out_to_appletviewer, &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to flush bytes to output channel", - channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to flush bytes to output channel"); - } - g_free (newline_message); - newline_message = NULL; - - g_print (" PIPE: plugin wrote: %s\n", message); - } - - PLUGIN_DEBUG ("plugin_send_message_to_appletviewer return"); -} - -// Stop the appletviewer process. When this is called the -// appletviewer can be in any of three states: running, crashed or -// hung. If the appletviewer is running then sending it "shutdown" -// will cause it to exit. This will cause -// plugin_out_pipe_callback/plugin_in_pipe_callback to be called and -// the input and output channels to be shut down. If the appletviewer -// has crashed then plugin_out_pipe_callback/plugin_in_pipe_callback -// would already have been called and data->appletviewer_alive cleared -// in which case this function simply returns. If the appletviewer is -// hung then this function will be successful and the input and output -// watches will be removed by plugin_data_destroy. -// plugin_stop_appletviewer must be called with -// data->appletviewer_mutex held. -static void -plugin_stop_appletviewer (GCJPluginData* data) -{ - PLUGIN_DEBUG ("plugin_stop_appletviewer"); - - if (data->appletviewer_alive) - { - // Shut down the appletviewer. - gsize bytes_written = 0; - - if (data->out_to_appletviewer) - { - if (g_io_channel_write_chars (data->out_to_appletviewer, "shutdown", - -1, &bytes_written, &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to write shutdown message to" - " appletviewer", channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to write shutdown message to"); - } - - if (g_io_channel_flush (data->out_to_appletviewer, &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to write shutdown message to" - " appletviewer", channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to write shutdown message to"); - } - - if (g_io_channel_shutdown (data->out_to_appletviewer, - TRUE, &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to shut down appletviewer" - " output channel", channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to shut down appletviewer"); - } - } - - if (data->in_from_appletviewer) - { - if (g_io_channel_shutdown (data->in_from_appletviewer, - TRUE, &channel_error) - != G_IO_STATUS_NORMAL) - { - if (channel_error) - { - PLUGIN_ERROR_TWO ("Failed to shut down appletviewer" - " input channel", channel_error->message); - g_error_free (channel_error); - channel_error = NULL; - } - else - PLUGIN_ERROR ("Failed to shut down appletviewer"); - } - } - } - - PLUGIN_DEBUG ("plugin_stop_appletviewer return"); -} - -static void -plugin_data_destroy (GCJPluginData** data) -{ - PLUGIN_DEBUG ("plugin_data_destroy"); - - GCJPluginData* tofree = *data; - - tofree->window_handle = NULL; - tofree->window_height = 0; - tofree->window_width = 0; - - // Copied from GCJ_New. - - // cleanup_in_watch_source: - // Removing a source is harmless if it fails since it just means the - // source has already been removed. - g_source_remove (tofree->in_watch_source); - tofree->in_watch_source = 0; - - // cleanup_in_from_appletviewer: - if (tofree->in_from_appletviewer) - g_io_channel_unref (tofree->in_from_appletviewer); - tofree->in_from_appletviewer = NULL; - - // cleanup_out_watch_source: - g_source_remove (tofree->out_watch_source); - tofree->out_watch_source = 0; - - // cleanup_out_to_appletviewer: - if (tofree->out_to_appletviewer) - g_io_channel_unref (tofree->out_to_appletviewer); - tofree->out_to_appletviewer = NULL; - - // cleanup_out_pipe: - // Delete output pipe. - PLUGIN_DEBUG_TWO ("GCJ_New: deleting output fifo:", tofree->out_pipe_name); - unlink (tofree->out_pipe_name); - PLUGIN_DEBUG_TWO ("GCJ_New: deleted output fifo:", tofree->out_pipe_name); - - // cleanup_out_pipe_name: - g_free (tofree->out_pipe_name); - tofree->out_pipe_name = NULL; - - // cleanup_in_pipe: - // Delete input pipe. - PLUGIN_DEBUG_TWO ("GCJ_New: deleting input fifo:", tofree->in_pipe_name); - unlink (tofree->in_pipe_name); - PLUGIN_DEBUG_TWO ("GCJ_New: deleted input fifo:", tofree->in_pipe_name); - - // cleanup_in_pipe_name: - g_free (tofree->in_pipe_name); - tofree->in_pipe_name = NULL; - - // cleanup_appletviewer_mutex: - g_free (tofree->appletviewer_mutex); - tofree->appletviewer_mutex = NULL; - - // cleanup_instance_string: - g_free (tofree->instance_string); - tofree->instance_string = NULL; - - // cleanup_data: - // Eliminate back-pointer to plugin instance. - tofree->owner = NULL; - (*browserFunctions.memfree) (tofree); - tofree = NULL; - - PLUGIN_DEBUG ("plugin_data_destroy return"); -} - -// FACTORY FUNCTIONS - -// Provides the browser with pointers to the plugin functions that we -// implement and initializes a local table with browser functions that -// we may wish to call. Called once, after browser startup and before -// the first plugin instance is created. -// The field 'initialized' is set to true once this function has -// finished. If 'initialized' is already true at the beginning of -// this function, then it is evident that NP_Initialize has already -// been called. There is no need to call this function more than once and -// this workaround avoids any duplicate calls. -NPError -NP_Initialize (NPNetscapeFuncs* browserTable, NPPluginFuncs* pluginTable) -{ - PLUGIN_DEBUG ("NP_Initialize"); - - if (initialized) - return NPERR_NO_ERROR; - else if ((browserTable == NULL) || (pluginTable == NULL)) - { - PLUGIN_ERROR ("Browser or plugin function table is NULL."); - - return NPERR_INVALID_FUNCTABLE_ERROR; - } - - // Ensure that the major version of the plugin API that the browser - // expects is not more recent than the major version of the API that - // we've implemented. - if ((browserTable->version >> 8) > NP_VERSION_MAJOR) - { - PLUGIN_ERROR ("Incompatible version."); - - return NPERR_INCOMPATIBLE_VERSION_ERROR; - } - - // Ensure that the plugin function table we've received is large - // enough to store the number of functions that we may provide. - if (pluginTable->size < sizeof (NPPluginFuncs)) - { - PLUGIN_ERROR ("Invalid plugin function table."); - - return NPERR_INVALID_FUNCTABLE_ERROR; - } - - // Ensure that the browser function table is large enough to store - // the number of browser functions that we may use. - if (browserTable->size < sizeof (NPNetscapeFuncs)) - { - PLUGIN_ERROR ("Invalid browser function table."); - - return NPERR_INVALID_FUNCTABLE_ERROR; - } - - // Store in a local table the browser functions that we may use. - browserFunctions.version = browserTable->version; - browserFunctions.size = browserTable->size; - browserFunctions.posturl = browserTable->posturl; - browserFunctions.geturl = browserTable->geturl; - browserFunctions.geturlnotify = browserTable->geturlnotify; - browserFunctions.requestread = browserTable->requestread; - browserFunctions.newstream = browserTable->newstream; - browserFunctions.write = browserTable->write; - browserFunctions.destroystream = browserTable->destroystream; - browserFunctions.status = browserTable->status; - browserFunctions.uagent = browserTable->uagent; - browserFunctions.memalloc = browserTable->memalloc; - browserFunctions.memfree = browserTable->memfree; - browserFunctions.memflush = browserTable->memflush; - browserFunctions.reloadplugins = browserTable->reloadplugins; - browserFunctions.getvalue = browserTable->getvalue; - - // Return to the browser the plugin functions that we implement. - pluginTable->version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR; - pluginTable->size = sizeof (NPPluginFuncs); - pluginTable->newp = NewNPP_NewProc (GCJ_New); - pluginTable->destroy = NewNPP_DestroyProc (GCJ_Destroy); - pluginTable->setwindow = NewNPP_SetWindowProc (GCJ_SetWindow); - pluginTable->newstream = NewNPP_NewStreamProc (GCJ_NewStream); - pluginTable->destroystream = NewNPP_DestroyStreamProc (GCJ_DestroyStream); - pluginTable->asfile = NewNPP_StreamAsFileProc (GCJ_StreamAsFile); - pluginTable->writeready = NewNPP_WriteReadyProc (GCJ_WriteReady); - pluginTable->write = NewNPP_WriteProc (GCJ_Write); - pluginTable->print = NewNPP_PrintProc (GCJ_Print); - pluginTable->urlnotify = NewNPP_URLNotifyProc (GCJ_URLNotify); - pluginTable->getvalue = NewNPP_GetValueProc (GCJ_GetValue); - - // Make sure the plugin data directory exists, creating it if - // necessary. - data_directory = g_strconcat (getenv ("HOME"), "/.gcjwebplugin", NULL); - if (!data_directory) - { - PLUGIN_ERROR ("Failed to create data directory name."); - return NPERR_OUT_OF_MEMORY_ERROR; - } - NPError np_error = NPERR_NO_ERROR; - gchar* filename = NULL; - if (!g_file_test (data_directory, - (GFileTest) (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) - { - int file_error = 0; - - file_error = g_mkdir (data_directory, 0700); - if (file_error != 0) - { - PLUGIN_ERROR_THREE ("Failed to create data directory", - data_directory, - strerror (errno)); - np_error = NPERR_GENERIC_ERROR; - goto cleanup_data_directory; - } - } - - // Set appletviewer_executable. - Dl_info info; - if (dladdr ((const void*) GCJ_New, &info) == 0) - { - PLUGIN_ERROR_TWO ("Failed to determine plugin shared object filename", - dlerror ()); - np_error = NPERR_GENERIC_ERROR; - goto cleanup_data_directory; - } - filename = g_strdup (info.dli_fname); - if (!filename) - { - PLUGIN_ERROR ("Failed to create plugin shared object filename."); - np_error = NPERR_OUT_OF_MEMORY_ERROR; - goto cleanup_data_directory; - } - appletviewer_executable = g_strdup_printf ("%s/../../bin/pluginappletviewer", - dirname (filename)); - if (!appletviewer_executable) - { - PLUGIN_ERROR ("Failed to create appletviewer executable name."); - np_error = NPERR_OUT_OF_MEMORY_ERROR; - goto cleanup_filename; - } - - np_error = plugin_test_appletviewer (); - if (np_error != NPERR_NO_ERROR) - { - plugin_display_failure_dialog (); - goto cleanup_appletviewer_executable; - } - g_free (filename); - - initialized = true; - - // Initialize threads (needed for mutexes). - if (!g_thread_supported ()) - g_thread_init (NULL); - - plugin_instance_mutex = g_mutex_new (); - - PLUGIN_DEBUG_TWO ("NP_Initialize: using", appletviewer_executable); - - PLUGIN_DEBUG ("NP_Initialize return"); - - return NPERR_NO_ERROR; - - cleanup_appletviewer_executable: - if (appletviewer_executable) - { - g_free (appletviewer_executable); - appletviewer_executable = NULL; - } - - cleanup_filename: - if (filename) - { - g_free (filename); - filename = NULL; - } - - cleanup_data_directory: - if (data_directory) - { - g_free (data_directory); - data_directory = NULL; - } - - return np_error; -} - -// Returns a string describing the MIME type that this plugin -// handles. -char* -NP_GetMIMEDescription (void) -{ - PLUGIN_DEBUG ("NP_GetMIMEDescription"); - - PLUGIN_DEBUG ("NP_GetMIMEDescription return"); - - return (char*) PLUGIN_MIME_DESC; -} - -// Returns a value relevant to the plugin as a whole. The browser -// calls this function to obtain information about the plugin. -NPError -NP_GetValue (void* future, NPPVariable variable, void* value) -{ - PLUGIN_DEBUG ("NP_GetValue"); - - NPError result = NPERR_NO_ERROR; - gchar** char_value = (gchar**) value; - - switch (variable) - { - case NPPVpluginNameString: - PLUGIN_DEBUG ("NP_GetValue: returning plugin name."); - *char_value = g_strdup (PLUGIN_NAME " " PACKAGE_VERSION); - break; - - case NPPVpluginDescriptionString: - PLUGIN_DEBUG ("NP_GetValue: returning plugin description."); - *char_value = g_strdup (PLUGIN_DESC); - break; - - default: - PLUGIN_ERROR ("Unknown plugin value requested."); - result = NPERR_GENERIC_ERROR; - break; - } - - PLUGIN_DEBUG ("NP_GetValue return"); - - return result; -} - -// Shuts down the plugin. Called after the last plugin instance is -// destroyed. -NPError -NP_Shutdown (void) -{ - PLUGIN_DEBUG ("NP_Shutdown"); - - // Free mutex. - if (plugin_instance_mutex) - { - g_mutex_free (plugin_instance_mutex); - plugin_instance_mutex = NULL; - } - - if (data_directory) - { - g_free (data_directory); - data_directory = NULL; - } - - if (appletviewer_executable) - { - g_free (appletviewer_executable); - appletviewer_executable = NULL; - } - - initialized = false; - - PLUGIN_DEBUG ("NP_Shutdown return"); - - return NPERR_NO_ERROR; -}