164bd5b265
We change the deactivation so that an extension is regarded as active until the 'deactivate' signal was processed. And we define that 'activate' must be called with a valid app.
772 lines
23 KiB
C
772 lines
23 KiB
C
/*
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Copyright (C) 2008-2009 Christian Dywan <christian@twotoasts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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See the file COPYING for the full license text.
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*/
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#include "midori-extension.h"
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#if HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <katze/katze.h>
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#include "sokoke.h"
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#include <glib/gi18n.h>
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G_DEFINE_TYPE (MidoriExtension, midori_extension, G_TYPE_OBJECT);
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struct _MidoriExtensionPrivate
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{
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gchar* name;
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gchar* description;
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gchar* version;
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gchar* authors;
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MidoriApp* app;
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gboolean active;
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gchar* config_dir;
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GList* lsettings;
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GHashTable* settings;
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GKeyFile* key_file;
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};
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typedef struct
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{
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gchar* name;
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GType type;
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gboolean default_value;
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gboolean value;
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} MESettingBoolean;
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typedef struct
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{
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gchar* name;
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GType type;
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gint default_value;
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gint value;
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} MESettingInteger;
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typedef struct
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{
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gchar* name;
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GType type;
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gchar* default_value;
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gchar* value;
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} MESettingString;
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void me_setting_free (gpointer setting)
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{
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MESettingString* string_setting = (MESettingString*)setting;
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g_free (string_setting->name);
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if (string_setting->type == G_TYPE_STRING)
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{
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g_free (string_setting->default_value);
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g_free (string_setting->value);
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}
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}
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#define midori_extension_can_install_setting(extension, name) \
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if (extension->priv->active) \
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{ \
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g_critical ("%s: Settings have to be installed before " \
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"the extension is activated.", G_STRFUNC); \
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return; \
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} \
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if (g_hash_table_lookup (extension->priv->settings, name)) \
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{ \
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g_critical ("%s: A setting with the name '%s' is already installed.", \
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G_STRFUNC, name); \
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return; \
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}
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#define me_setting_install(stype, _name, gtype, _default_value, _value) \
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setting = g_new (stype, 1); \
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setting->name = _name; \
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setting->type = gtype; \
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setting->default_value = _default_value; \
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setting->value = _value; \
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g_hash_table_insert (extension->priv->settings, setting->name, setting); \
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extension->priv->lsettings = g_list_prepend \
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(extension->priv->lsettings, setting);
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#define me_setting_type(setting, gtype, rreturn) \
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if (!setting) { \
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g_critical ("%s: There is no setting with the name '%s' installed.", G_STRFUNC, name); \
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rreturn; } \
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if (setting->type != gtype) { \
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g_critical ("%s: The setting '%s' is not a string.", G_STRFUNC, name); \
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rreturn; }
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enum
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{
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PROP_0,
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PROP_NAME,
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PROP_DESCRIPTION,
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PROP_VERSION,
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PROP_AUTHORS
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};
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enum {
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ACTIVATE,
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DEACTIVATE,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL];
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static void
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midori_extension_finalize (GObject* object);
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static void
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midori_extension_set_property (GObject* object,
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guint prop_id,
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const GValue* value,
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GParamSpec* pspec);
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static void
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midori_extension_get_property (GObject* object,
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guint prop_id,
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GValue* value,
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GParamSpec* pspec);
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static void
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midori_extension_class_init (MidoriExtensionClass* class)
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{
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GObjectClass* gobject_class;
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GParamFlags flags;
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signals[ACTIVATE] = g_signal_new (
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"activate",
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G_TYPE_FROM_CLASS (class),
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(GSignalFlags)(G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
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0,
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0,
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NULL,
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g_cclosure_marshal_VOID__OBJECT,
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G_TYPE_NONE, 1,
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MIDORI_TYPE_APP);
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signals[DEACTIVATE] = g_signal_new (
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"deactivate",
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G_TYPE_FROM_CLASS (class),
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(GSignalFlags)(G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
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0,
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0,
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NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0,
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G_TYPE_NONE);
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gobject_class = G_OBJECT_CLASS (class);
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gobject_class->finalize = midori_extension_finalize;
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gobject_class->set_property = midori_extension_set_property;
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gobject_class->get_property = midori_extension_get_property;
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flags = G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS;
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g_object_class_install_property (gobject_class,
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PROP_NAME,
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g_param_spec_string (
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"name",
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"Name",
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"The name of the extension",
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NULL,
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flags));
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g_object_class_install_property (gobject_class,
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PROP_DESCRIPTION,
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g_param_spec_string (
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"description",
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"Description",
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"The description of the extension",
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NULL,
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flags));
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g_object_class_install_property (gobject_class,
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PROP_VERSION,
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g_param_spec_string (
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"version",
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"Version",
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"The version of the extension",
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NULL,
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flags));
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g_object_class_install_property (gobject_class,
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PROP_AUTHORS,
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g_param_spec_string (
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"authors",
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"Authors",
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"The authors of the extension",
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NULL,
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flags));
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g_type_class_add_private (class, sizeof (MidoriExtensionPrivate));
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}
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static void
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midori_extension_activate_cb (MidoriExtension* extension,
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MidoriApp* app)
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{
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GList* lsettings;
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g_return_if_fail (MIDORI_IS_APP (app));
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lsettings = g_list_first (extension->priv->lsettings);
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/* If a configuration directory was requested before activation we
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assume we should load and save settings. This is a detail that
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extension writers shouldn't worry about. */
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extension->priv->key_file = lsettings && extension->priv->config_dir
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? g_key_file_new () : NULL;
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if (extension->priv->key_file)
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{
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gchar* config_file;
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GError* error = NULL;
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config_file = g_build_filename (extension->priv->config_dir, "config", NULL);
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if (!g_key_file_load_from_file (extension->priv->key_file, config_file,
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G_KEY_FILE_KEEP_COMMENTS, &error))
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{
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if (error->code != G_FILE_ERROR_NOENT)
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printf (_("The configuration of the extension '%s' couldn't be loaded: %s\n"),
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extension->priv->name, error->message);
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g_error_free (error);
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}
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}
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while (lsettings)
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{
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MESettingString* setting = (MESettingString*)lsettings->data;
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if (setting->type == G_TYPE_BOOLEAN)
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{
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MESettingBoolean* setting_ = (MESettingBoolean*)setting;
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if (extension->priv->key_file)
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setting_->value = sokoke_key_file_get_boolean_default (
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extension->priv->key_file,
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"settings", setting->name, setting_->default_value, NULL);
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else
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setting_->value = setting_->default_value;
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}
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else if (setting->type == G_TYPE_INT)
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{
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MESettingInteger* setting_ = (MESettingInteger*)setting;
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if (extension->priv->key_file)
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setting_->value = sokoke_key_file_get_integer_default (
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extension->priv->key_file,
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"settings", setting->name, setting_->default_value, NULL);
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else
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setting_->value = setting_->default_value;
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}
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else if (setting->type == G_TYPE_STRING)
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{
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if (extension->priv->key_file)
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setting->value = sokoke_key_file_get_string_default (
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extension->priv->key_file,
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"settings", setting->name, setting->default_value, NULL);
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else
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setting->value = g_strdup (setting->default_value);
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}
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else
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g_assert_not_reached ();
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lsettings = g_list_next (lsettings);
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}
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extension->priv->app = g_object_ref (app);
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extension->priv->active = TRUE;
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/* FIXME: Disconnect all signal handlers */
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}
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static void
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midori_extension_init (MidoriExtension* extension)
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{
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extension->priv = G_TYPE_INSTANCE_GET_PRIVATE (extension,
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MIDORI_TYPE_EXTENSION, MidoriExtensionPrivate);
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extension->priv->app = NULL;
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extension->priv->active = FALSE;
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extension->priv->config_dir = NULL;
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extension->priv->lsettings = NULL;
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extension->priv->settings = g_hash_table_new_full (g_str_hash, g_str_equal,
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g_free, me_setting_free);
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extension->priv->key_file = NULL;
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g_signal_connect (extension, "activate",
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G_CALLBACK (midori_extension_activate_cb), NULL);
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}
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static void
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midori_extension_finalize (GObject* object)
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{
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MidoriExtension* extension = MIDORI_EXTENSION (object);
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katze_object_assign (extension->priv->app, NULL);
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katze_assign (extension->priv->name, NULL);
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katze_assign (extension->priv->description, NULL);
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katze_assign (extension->priv->version, NULL);
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katze_assign (extension->priv->authors, NULL);
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katze_assign (extension->priv->config_dir, NULL);
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g_list_free (extension->priv->lsettings);
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g_hash_table_destroy (extension->priv->settings);
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if (extension->priv->key_file)
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g_key_file_free (extension->priv->key_file);
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}
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static void
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midori_extension_set_property (GObject* object,
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guint prop_id,
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const GValue* value,
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GParamSpec* pspec)
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{
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MidoriExtension* extension = MIDORI_EXTENSION (object);
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switch (prop_id)
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{
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case PROP_NAME:
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katze_assign (extension->priv->name, g_value_dup_string (value));
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break;
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case PROP_DESCRIPTION:
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katze_assign (extension->priv->description, g_value_dup_string (value));
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break;
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case PROP_VERSION:
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katze_assign (extension->priv->version, g_value_dup_string (value));
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break;
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case PROP_AUTHORS:
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katze_assign (extension->priv->authors, g_value_dup_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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midori_extension_get_property (GObject* object,
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guint prop_id,
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GValue* value,
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GParamSpec* pspec)
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{
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MidoriExtension* extension = MIDORI_EXTENSION (object);
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switch (prop_id)
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{
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case PROP_NAME:
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g_value_set_string (value, extension->priv->name);
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break;
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case PROP_DESCRIPTION:
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g_value_set_string (value, extension->priv->description);
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break;
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case PROP_VERSION:
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g_value_set_string (value, extension->priv->version);
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break;
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case PROP_AUTHORS:
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g_value_set_string (value, extension->priv->authors);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/**
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* midori_extension_is_prepared:
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* @extension: a #MidoriExtension
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*
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* Determines if @extension is prepared for use, for instance
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* by ensuring that all required values are set and that it
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* is actually activatable.
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*
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* Return value: %TRUE if @extension is ready for use
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**/
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gboolean
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midori_extension_is_prepared (MidoriExtension* extension)
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{
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g_return_val_if_fail (MIDORI_IS_EXTENSION (extension), FALSE);
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if (extension->priv->name && extension->priv->description
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&& extension->priv->version && extension->priv->authors
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&& g_signal_has_handler_pending (extension, signals[ACTIVATE], 0, FALSE))
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return TRUE;
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return FALSE;
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}
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/**
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* midori_extension_is_active:
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* @extension: a #MidoriExtension
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*
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* Determines if @extension is active.
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*
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* Return value: %TRUE if @extension is active
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*
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* Since: 0.1.2
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**/
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gboolean
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midori_extension_is_active (MidoriExtension* extension)
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{
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g_return_val_if_fail (MIDORI_IS_EXTENSION (extension), FALSE);
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return extension->priv->active;
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}
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/**
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* midori_extension_deactivate:
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* @extension: a #MidoriExtension
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*
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* Attempts to deactivate @extension.
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**/
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void
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midori_extension_deactivate (MidoriExtension* extension)
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{
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g_return_if_fail (midori_extension_is_active (extension));
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g_signal_emit (extension, signals[DEACTIVATE], 0);
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extension->priv->active = FALSE;
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katze_object_assign (extension->priv->app, NULL);
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}
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/**
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* midori_extension_get_app:
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* @extension: a #MidoriExtension
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*
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* Retrieves the #MidoriApp the extension belongs to. The
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* extension has to be active.
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*
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* Return value: the #MidoriApp instance
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*
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* Since 0.1.6
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**/
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MidoriApp*
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midori_extension_get_app (MidoriExtension* extension)
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{
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g_return_val_if_fail (midori_extension_is_active (extension), NULL);
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return extension->priv->app;
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}
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/**
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* midori_extension_get_config_dir:
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* @extension: a #MidoriExtension
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*
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* Retrieves the path to a directory reserved for configuration
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* files specific to the extension. For that purpose the 'name'
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* of the extension is actually part of the path.
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*
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* If settings are installed on the extension, they will be
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* loaded from and saved to a file "config" in this path.
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*
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* Return value: a path, such as ~/.config/midori/extensions/name
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**/
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const gchar*
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midori_extension_get_config_dir (MidoriExtension* extension)
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{
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g_return_val_if_fail (midori_extension_is_prepared (extension), NULL);
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if (!extension->priv->config_dir)
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extension->priv->config_dir = g_build_filename (
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g_get_user_config_dir (), PACKAGE_NAME, "extensions",
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extension->priv->name, NULL);
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return extension->priv->config_dir;
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}
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/**
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* midori_extension_install_boolean:
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* @extension: a #MidoriExtension
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* @name: the name of the setting
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* @default_value: the default value
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*
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* Installs a boolean that can be used to conveniently
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* store user configuration.
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*
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* Note that all settings have to be installed before
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* the extension is activated.
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*
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* Since: 0.1.3
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**/
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void
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midori_extension_install_boolean (MidoriExtension* extension,
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const gchar* name,
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gboolean default_value)
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{
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MESettingBoolean* setting;
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g_return_if_fail (midori_extension_is_prepared (extension));
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midori_extension_can_install_setting (extension, name);
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me_setting_install (MESettingBoolean, g_strdup (name), G_TYPE_BOOLEAN,
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default_value, FALSE);
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}
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/**
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* midori_extension_get_boolean:
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* @extension: a #MidoriExtension
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* @name: the name of the setting
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*
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* Retrieves the value of the specified setting.
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*
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* Since: 0.1.3
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**/
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gboolean
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midori_extension_get_boolean (MidoriExtension* extension,
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const gchar* name)
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{
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MESettingBoolean* setting;
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g_return_val_if_fail (midori_extension_is_prepared (extension), FALSE);
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g_return_val_if_fail (name != NULL, FALSE);
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setting = g_hash_table_lookup (extension->priv->settings, name);
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me_setting_type (setting, G_TYPE_BOOLEAN, return FALSE);
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return setting->value;
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}
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/**
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* midori_extension_set_boolean:
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* @extension: a #MidoriExtension
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* @name: the name of the setting
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* @value: the new value
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*
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* Assigns a new value to the specified setting.
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*
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* Since: 0.1.3
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**/
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void
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midori_extension_set_boolean (MidoriExtension* extension,
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const gchar* name,
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gboolean value)
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{
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MESettingBoolean* setting;
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g_return_if_fail (midori_extension_is_active (extension));
|
|
g_return_if_fail (name != NULL);
|
|
|
|
setting = g_hash_table_lookup (extension->priv->settings, name);
|
|
|
|
me_setting_type (setting, G_TYPE_BOOLEAN, return);
|
|
|
|
setting->value = value;
|
|
if (extension->priv->key_file)
|
|
{
|
|
GError* error = NULL;
|
|
/* FIXME: Handle readonly folder/ file */
|
|
gchar* config_file = g_build_filename (extension->priv->config_dir,
|
|
"config", NULL);
|
|
g_mkdir_with_parents (extension->priv->config_dir, 0700);
|
|
g_key_file_set_boolean (extension->priv->key_file,
|
|
"settings", name, value);
|
|
sokoke_key_file_save_to_file (extension->priv->key_file, config_file, &error);
|
|
if (error)
|
|
{
|
|
printf (_("The configuration of the extension '%s' couldn't be saved: %s\n"),
|
|
extension->priv->name, error->message);
|
|
g_error_free (error);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* midori_extension_install_integer:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
* @default_value: the default value
|
|
*
|
|
* Installs an integer that can be used to conveniently
|
|
* store user configuration.
|
|
*
|
|
* Note that all settings have to be installed before
|
|
* the extension is activated.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
void
|
|
midori_extension_install_integer (MidoriExtension* extension,
|
|
const gchar* name,
|
|
gint default_value)
|
|
{
|
|
MESettingInteger* setting;
|
|
|
|
g_return_if_fail (midori_extension_is_prepared (extension));
|
|
midori_extension_can_install_setting (extension, name);
|
|
|
|
me_setting_install (MESettingInteger, g_strdup (name), G_TYPE_INT,
|
|
default_value, 0);
|
|
}
|
|
|
|
/**
|
|
* midori_extension_get_integer:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
*
|
|
* Retrieves the value of the specified setting.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
gint
|
|
midori_extension_get_integer (MidoriExtension* extension,
|
|
const gchar* name)
|
|
{
|
|
MESettingInteger* setting;
|
|
|
|
g_return_val_if_fail (midori_extension_is_prepared (extension), 0);
|
|
g_return_val_if_fail (name != NULL, 0);
|
|
|
|
setting = g_hash_table_lookup (extension->priv->settings, name);
|
|
|
|
me_setting_type (setting, G_TYPE_INT, return 0);
|
|
|
|
return setting->value;
|
|
}
|
|
|
|
/**
|
|
* midori_extension_set_integer:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
* @value: the new value
|
|
*
|
|
* Assigns a new value to the specified setting.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
void
|
|
midori_extension_set_integer (MidoriExtension* extension,
|
|
const gchar* name,
|
|
gint value)
|
|
{
|
|
MESettingInteger* setting;
|
|
|
|
g_return_if_fail (midori_extension_is_active (extension));
|
|
g_return_if_fail (name != NULL);
|
|
|
|
setting = g_hash_table_lookup (extension->priv->settings, name);
|
|
|
|
me_setting_type (setting, G_TYPE_INT, return);
|
|
|
|
setting->value = value;
|
|
if (extension->priv->key_file)
|
|
{
|
|
GError* error = NULL;
|
|
/* FIXME: Handle readonly folder/ file */
|
|
gchar* config_file = g_build_filename (extension->priv->config_dir,
|
|
"config", NULL);
|
|
g_mkdir_with_parents (extension->priv->config_dir, 0700);
|
|
g_key_file_set_integer (extension->priv->key_file,
|
|
"settings", name, value);
|
|
sokoke_key_file_save_to_file (extension->priv->key_file, config_file, &error);
|
|
if (error)
|
|
{
|
|
printf (_("The configuration of the extension '%s' couldn't be saved: %s\n"),
|
|
extension->priv->name, error->message);
|
|
g_error_free (error);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* midori_extension_install_string:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
* @default_value: the default value
|
|
*
|
|
* Installs a string that can be used to conveniently
|
|
* store user configuration.
|
|
*
|
|
* Note that all settings have to be installed before
|
|
* the extension is activated.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
void
|
|
midori_extension_install_string (MidoriExtension* extension,
|
|
const gchar* name,
|
|
const gchar* default_value)
|
|
{
|
|
MESettingString* setting;
|
|
|
|
g_return_if_fail (midori_extension_is_prepared (extension));
|
|
midori_extension_can_install_setting (extension, name);
|
|
|
|
me_setting_install (MESettingString, g_strdup (name), G_TYPE_STRING,
|
|
g_strdup (default_value), NULL);
|
|
}
|
|
|
|
/**
|
|
* midori_extension_get_string:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
*
|
|
* Retrieves the value of the specified setting.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
const gchar*
|
|
midori_extension_get_string (MidoriExtension* extension,
|
|
const gchar* name)
|
|
{
|
|
MESettingString* setting;
|
|
|
|
g_return_val_if_fail (midori_extension_is_prepared (extension), NULL);
|
|
g_return_val_if_fail (name != NULL, NULL);
|
|
|
|
setting = g_hash_table_lookup (extension->priv->settings, name);
|
|
|
|
me_setting_type (setting, G_TYPE_STRING, return NULL);
|
|
|
|
return setting->value;
|
|
}
|
|
|
|
/**
|
|
* midori_extension_set_string:
|
|
* @extension: a #MidoriExtension
|
|
* @name: the name of the setting
|
|
* @value: the new value
|
|
*
|
|
* Assigns a new value to the specified setting.
|
|
*
|
|
* Since: 0.1.3
|
|
**/
|
|
void
|
|
midori_extension_set_string (MidoriExtension* extension,
|
|
const gchar* name,
|
|
const gchar* value)
|
|
{
|
|
MESettingString* setting;
|
|
|
|
g_return_if_fail (midori_extension_is_active (extension));
|
|
g_return_if_fail (name != NULL);
|
|
|
|
setting = g_hash_table_lookup (extension->priv->settings, name);
|
|
|
|
me_setting_type (setting, G_TYPE_STRING, return);
|
|
|
|
katze_assign (setting->value, g_strdup (value));
|
|
if (extension->priv->key_file)
|
|
{
|
|
GError* error = NULL;
|
|
/* FIXME: Handle readonly folder/ file */
|
|
gchar* config_file = g_build_filename (extension->priv->config_dir,
|
|
"config", NULL);
|
|
g_mkdir_with_parents (extension->priv->config_dir, 0700);
|
|
g_key_file_set_string (extension->priv->key_file,
|
|
"settings", name, value);
|
|
sokoke_key_file_save_to_file (extension->priv->key_file, config_file, &error);
|
|
if (error)
|
|
{
|
|
printf (_("The configuration of the extension '%s' couldn't be saved: %s\n"),
|
|
extension->priv->name, error->message);
|
|
g_error_free (error);
|
|
}
|
|
}
|
|
}
|