Remove incomplete Javascript extension

This commit is contained in:
Christian Dywan 2010-04-27 23:54:38 +02:00
parent 7a7f4c6a44
commit 3aad0189c4

View file

@ -1,327 +0,0 @@
/*
Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
/*
midori.tabs
midori.windows
midori.currentWindow
midori.createAction({name:'Example',label:'_Example',icon:'gtk-info',tooltip:'Examples',activate:function()})
action = midori.currentWindow.getAction(name)
foreach (window as midori.windows) window.getAction('myaction').activate()
midori.window[i].tabs
midori.addWindow
midori.addTab
midori.removeWindow
midori.removeTab
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <midori/midori.h>
#include <midori/sokoke.h>
#include <JavaScriptCore/JavaScript.h>
gchar*
sokoke_js_string_utf8 (JSStringRef js_string)
{
size_t size_utf8;
gchar* string_utf8;
g_return_val_if_fail (js_string, NULL);
size_utf8 = JSStringGetMaximumUTF8CStringSize (js_string);
string_utf8 = g_new (gchar, size_utf8);
JSStringGetUTF8CString (js_string, string_utf8, size_utf8);
return string_utf8;
}
static void
javascript_deactivate_cb (MidoriExtension* extension,
MidoriBrowser* browser)
{
/* FIXME: Unload all javascript extensions */
}
static JSValueRef
midori_javascript_midori_action_cb (JSContextRef js_context,
JSObjectRef js_function,
JSObjectRef js_this,
size_t n_arguments,
const JSValueRef js_arguments[],
JSValueRef* js_exception)
{
GtkAction* action;
JSObjectRef js_meta;
JSPropertyNameArrayRef js_properties;
size_t n_properties;
guint i;
MidoriApp* app;
if (n_arguments != 1)
{
*js_exception = JSValueMakeString (js_context,
JSStringCreateWithUTF8CString (
"MidoriError: Wrong number of arguments; 'midori.createAction ({property:value, ...})'"));
return JSValueMakeNull (js_context);
}
if (!JSValueIsObject (js_context, js_arguments[0]))
{
*js_exception = JSValueMakeString (js_context,
JSStringCreateWithUTF8CString (
"MidoriError: Argument is not an object; 'midori.createAction ({property:value, ...})'"));
return JSValueMakeNull (js_context);
}
action = g_object_new (GTK_TYPE_ACTION, NULL);
js_meta = JSValueToObject (js_context, js_arguments[0], NULL);
js_properties = JSObjectCopyPropertyNames (js_context, js_meta);
n_properties = JSPropertyNameArrayGetCount (js_properties);
for (i = 0; i < n_properties; i++)
{
JSStringRef js_name;
gchar* name;
JSValueRef js_property;
JSStringRef js_string;
gchar* string;
js_name = JSPropertyNameArrayGetNameAtIndex (js_properties, i);
name = sokoke_js_string_utf8 (js_name);
if (g_str_equal (name, "label"))
{
js_property = JSObjectGetProperty (js_context, js_meta, js_name, NULL);
js_string = JSValueToStringCopy (js_context, js_property, NULL);
string = sokoke_js_string_utf8 (js_string);
JSStringRelease (js_string);
g_object_set (action, "label", string, NULL);
g_free (string);
}
else if (g_str_equal (name, "icon"))
{
js_property = JSObjectGetProperty (js_context, js_meta, js_name, NULL);
js_string = JSValueToStringCopy (js_context, js_property, NULL);
string = sokoke_js_string_utf8 (js_string);
JSStringRelease (js_string);
/* FIXME: stock-id, or icon-name, or URI */
g_object_set (action, "stock-id", string, NULL);
g_free (string);
}
else if (g_str_equal (name, "tooltip"))
{
js_property = JSObjectGetProperty (js_context, js_meta, js_name, NULL);
js_string = JSValueToStringCopy (js_context, js_property, NULL);
string = sokoke_js_string_utf8 (js_string);
JSStringRelease (js_string);
g_object_set (action, "tooltip", string, NULL);
g_free (string);
}
else if (g_str_equal (name, "activate"))
{
/* FIXME */
}
else
{
*js_exception = JSValueMakeString (js_context,
JSStringCreateWithUTF8CString (
"MidoriError: Unknown property; 'midori.createAction ({property:value, ...})'"));
return JSValueMakeNull (js_context);
}
}
if ((app = JSObjectGetPrivate (js_this)))
{
/* TODO: Offer the user to add a toolbar button */
}
/* TODO: add action to all existing and future browsers */
/* gtk_action_connect_accelerator */
return JSValueMakeNull (js_context);
}
static JSContextRef
midori_javascript_context (MidoriApp* app)
{
JSContextRef js_context = JSGlobalContextCreateInGroup (NULL, NULL);
JSClassDefinition js_class_def = kJSClassDefinitionEmpty;
JSClassRef js_class;
JSObjectRef js_object;
JSStringRef js_name;
JSStaticFunction functions[] = {
{ "createAction", midori_javascript_midori_action_cb, kJSPropertyAttributeNone },
{ NULL, NULL, 0 }
};
js_class_def.className = "midori";
js_class_def.staticFunctions = functions;
js_class = JSClassCreate (&js_class_def);
js_object = JSObjectMake (js_context, js_class, app);
js_name = JSStringCreateWithUTF8CString ("midori");
JSObjectSetProperty (js_context, JSContextGetGlobalObject (js_context),
js_name, js_object, kJSPropertyAttributeNone, NULL);
JSStringRelease (js_name);
return js_context;
}
static void
midori_javascript_extension_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
gchar* filename = g_object_get_data (G_OBJECT (extension), "filename");
gchar* fullname = g_build_path (G_DIR_SEPARATOR_S, g_get_user_data_dir (),
PACKAGE_NAME, "extensions", filename, NULL);
gchar* script;
GError* error = NULL;
if (g_file_get_contents (fullname, &script, NULL, &error))
{
JSContextRef js_context = midori_javascript_context (app);
gchar* exception = NULL;
g_free (sokoke_js_script_eval (js_context, script, &exception));
if (exception)
{
g_object_set (extension, "description",
exception, "version", NULL, NULL);
g_warning ("%s", exception);
g_free (exception);
}
}
else
{
g_object_set (extension, "description",
error->message, "version", NULL, NULL);
g_warning ("%s", error->message);
g_error_free (error);
}
g_free (fullname);
g_free (script);
}
static void
javascript_load_extensions (gchar** active,
MidoriApp* app,
const gchar* path)
{
GDir* dir;
/* TODO: Monitor folder for new files or modifications at runtime */
if ((dir = g_dir_open (path, 0, NULL)))
{
KatzeArray* extensions = katze_object_get_object (app, "extensions");
JSContextRef js_context = midori_javascript_context (app);
const gchar* filename;
while ((filename = g_dir_read_name (dir)))
{
gchar* fullname;
GError* error;
gchar* script;
MidoriExtension* extension;
/* Ignore files which don't have the correct suffix */
if (!g_str_has_suffix (filename, ".js"))
continue;
fullname = g_build_filename (path, filename, NULL);
error = NULL;
extension = g_object_new (MIDORI_TYPE_EXTENSION, "name", filename, NULL);
if (g_file_get_contents (fullname, &script, NULL, &error))
{
JSStringRef js_script;
JSValueRef js_exception;
js_script = JSStringCreateWithUTF8CString (script);
if (JSCheckScriptSyntax (js_context, js_script, NULL,
0, &js_exception))
{
/* FIXME: Read meta data from .js file */
g_object_set (extension, "description", "",
"version", "0.1", "authors", "", NULL);
/* Signal that we want the extension to load and save */
g_object_set_data_full (G_OBJECT (extension), "filename",
g_strdup (filename), g_free);
if (midori_extension_is_prepared (extension))
midori_extension_get_config_dir (extension);
g_signal_connect (extension, "activate",
G_CALLBACK (midori_javascript_extension_activate_cb), NULL);
}
else
{
JSStringRef js_string = JSValueToStringCopy (js_context,
js_exception, NULL);
gchar* string = sokoke_js_string_utf8 (js_string);
JSStringRelease (js_string);
g_object_set (extension, "description", string, NULL);
g_warning ("%s", string);
g_free (string);
}
}
else
{
g_object_set (extension, "description", error->message, NULL);
g_warning ("%s", error->message);
g_error_free (error);
}
g_free (fullname);
katze_array_add_item (extensions, extension);
if (active)
{
guint i = 0;
gchar* name;
while ((name = active[i++]))
if (!g_strcmp0 (filename, name))
g_signal_emit_by_name (extension, "activate", app);
}
/* FIXME main.c needs to monitor extensions
g_signal_connect_after (extension, "activate",
G_CALLBACK (extension_activate_cb), app);
g_signal_connect_after (extension, "deactivate",
G_CALLBACK (extension_activate_cb), app); */
g_object_unref (extension);
}
g_object_unref (extensions);
g_dir_close (dir);
}
}
static void
javascript_activate_cb (MidoriExtension* extension,
MidoriApp* app)
{
gchar** active = midori_extension_get_string_list (extension, "extensions", NULL);
/* FIXME Scan system data dirs */
gchar* path = g_build_path (G_DIR_SEPARATOR_S, g_get_user_data_dir (),
PACKAGE_NAME, "extensions", NULL);
javascript_load_extensions (active, app, path);
g_free (path);
g_strfreev (active);
g_signal_connect (extension, "deactivate",
G_CALLBACK (javascript_deactivate_cb), NULL);
}
MidoriExtension*
extension_init (void)
{
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("Javascript extensions"),
"description", _("Enable extensions written in Javascript"),
"version", "0.1",
"authors", "Christian Dywan <christian@twotoasts.de>",
NULL);
midori_extension_install_string_list (extension, "extensions", NULL, G_MAXSIZE);
g_signal_connect (extension, "activate",
G_CALLBACK (javascript_activate_cb), NULL);
return extension;
}