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gnome-control-center/search-provider/cc-search-provider.c
Giovanni Campagna 59f873ecf5 Add a gnome-shell search-provider for settings panel 
Replace the gnome-shell builtin settings search, which relied on removed
menu files, with one that uses the remote search infrastructure and
CcSearchModel, and features the ability to continue searching within the
control center application.

https://bugzilla.gnome.org/show_bug.cgi?id=690577
2013-02-18 16:08:22 +01:00

372 lines
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/*
* Copyright (c) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
*
* The Control Center 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 of the License, or (at your
* option) any later version.
*
* The Control Center 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 the Control Center; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <config.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <gtk/gtk.h>
#include <string.h>
#include <shell/cc-panel.h>
#include <shell/cc-shell-model.h>
#include <shell/cc-panel-loader.h>
#include <shell/cc-util.h>
#include "control-center-search-provider.h"
#include "cc-search-provider.h"
struct _CcSearchProvider
{
GObject parent;
CcShellSearchProvider2 *skeleton;
};
struct _CcSearchProviderClass
{
GObjectClass parent_class;
};
typedef enum {
MATCH_NONE,
MATCH_PREFIX,
MATCH_SUBSTRING
} PanelSearchMatch;
G_DEFINE_TYPE (CcSearchProvider, cc_search_provider, G_TYPE_OBJECT)
static char **
get_casefolded_terms (char **terms)
{
char **casefolded_terms;
int i, n;
n = g_strv_length ((char**) terms);
casefolded_terms = g_new (char*, n + 1);
for (i = 0; i < n; i++)
casefolded_terms[i] = cc_util_normalize_casefold_and_unaccent (terms[i]);
casefolded_terms[n] = NULL;
return casefolded_terms;
}
static gboolean
matches_multiple_terms (GtkTreeModel *model,
GtkTreeIter *iter,
char **terms)
{
int i;
for (i = 0; terms[i]; i++)
{
if (cc_shell_model_iter_matches_search (CC_SHELL_MODEL (model),
iter,
terms[i]))
return TRUE;
}
return FALSE;
}
static GtkTreeModel *
get_model (void)
{
CcSearchProviderApp *app;
app = cc_search_provider_app_get ();
return GTK_TREE_MODEL (cc_search_provider_app_get_model (app));
}
static gboolean
handle_get_initial_result_set (CcShellSearchProvider2 *skeleton,
GDBusMethodInvocation *invocation,
char **terms,
CcSearchProvider *self)
{
GtkTreeModel *model = get_model ();
GtkTreeIter iter;
GPtrArray *results;
gboolean ok;
char **casefolded_terms;
char **results_as_strings;
casefolded_terms = get_casefolded_terms (terms);
results = g_ptr_array_new ();
ok = gtk_tree_model_get_iter_first (model, &iter);
while (ok)
{
if (matches_multiple_terms (model, &iter,
casefolded_terms))
{
g_ptr_array_add (results,
gtk_tree_model_get_string_from_iter (model,
&iter));
}
ok = gtk_tree_model_iter_next (model, &iter);
}
g_ptr_array_add (results, NULL);
results_as_strings = (char**) g_ptr_array_free (results, FALSE);
cc_shell_search_provider2_complete_get_initial_result_set (skeleton,
invocation,
(const char* const*) results_as_strings);
g_strfreev (casefolded_terms);
g_strfreev (results_as_strings);
return TRUE;
}
static gboolean
handle_get_subsearch_result_set (CcShellSearchProvider2 *skeleton,
GDBusMethodInvocation *invocation,
char **previous_results,
char **terms,
CcSearchProvider *self)
{
GtkTreeModel *model = get_model ();
GtkTreeIter iter;
GPtrArray *results;
char **casefolded_terms;
char **results_as_strings;
int i;
casefolded_terms = get_casefolded_terms (terms);
results = g_ptr_array_new ();
for (i = 0; previous_results[i]; i++)
{
if (gtk_tree_model_get_iter_from_string (model, &iter,
previous_results[i]) &&
matches_multiple_terms (model, &iter, casefolded_terms))
{
g_ptr_array_add (results, g_strdup (previous_results[i]));
}
}
g_ptr_array_add (results, NULL);
results_as_strings = (char**) g_ptr_array_free (results, FALSE);
cc_shell_search_provider2_complete_get_subsearch_result_set (skeleton,
invocation,
(const char* const*) results_as_strings);
g_strfreev (casefolded_terms);
g_strfreev (results_as_strings);
return TRUE;
}
static gboolean
handle_get_result_metas (CcShellSearchProvider2 *skeleton,
GDBusMethodInvocation *invocation,
char **results,
CcSearchProvider *self)
{
GtkTreeModel *model = get_model ();
GtkTreeIter iter;
int i;
GVariantBuilder builder;
GAppInfo *app;
const char *id;
char *name, *description, *icon_string;
GIcon *icon;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("aa{sv}"));
for (i = 0; results[i]; i++)
{
if (!gtk_tree_model_get_iter_from_string (model, &iter, results[i]))
continue;
gtk_tree_model_get (model, &iter,
COL_APP, &app,
COL_NAME, &name,
COL_GICON, &icon,
COL_DESCRIPTION, &description,
-1);
id = g_app_info_get_id (app);
icon_string = g_icon_to_string (icon);
g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&builder, "{sv}",
"id", g_variant_new_string (id));
g_variant_builder_add (&builder, "{sv}",
"name", g_variant_new_string (name));
g_variant_builder_add (&builder, "{sv}",
"gicon", g_variant_new_string (icon_string));
g_variant_builder_add (&builder, "{sv}",
"description", g_variant_new_string (description));
g_variant_builder_close (&builder);
g_free (name);
g_free (description);
g_free (icon_string);
g_object_unref (app);
g_object_unref (icon);
}
cc_shell_search_provider2_complete_get_result_metas (skeleton,
invocation,
g_variant_builder_end (&builder));
return TRUE;
}
static gboolean
handle_activate_result (CcShellSearchProvider2 *skeleton,
GDBusMethodInvocation *invocation,
char *identifier,
char **results,
guint timestamp,
CcSearchProvider *self)
{
GdkAppLaunchContext *launch_context;
GAppInfo *app;
GError *error;
launch_context = gdk_display_get_app_launch_context (gdk_display_get_default ());
gdk_app_launch_context_set_timestamp (launch_context, timestamp);
app = G_APP_INFO (g_desktop_app_info_new (identifier));
error = NULL;
if (!g_app_info_launch (app, NULL, G_APP_LAUNCH_CONTEXT (launch_context), &error))
{
g_dbus_method_invocation_return_gerror (invocation, error);
g_error_free (error);
}
else
{
cc_shell_search_provider2_complete_activate_result (skeleton, invocation);
}
return TRUE;
}
static gboolean
handle_launch_search (CcShellSearchProvider2 *skeleton,
GDBusMethodInvocation *invocation,
char **terms,
guint timestamp,
CcSearchProvider *self)
{
GdkAppLaunchContext *launch_context;
char *joined_terms, *command_line;
GAppInfo *app;
GError *error;
launch_context = gdk_display_get_app_launch_context (gdk_display_get_default ());
gdk_app_launch_context_set_timestamp (launch_context, timestamp);
joined_terms = g_strjoinv (" ", terms);
command_line = g_strdup_printf ("gnome-control-center -s '%s'", joined_terms);
error = NULL;
app = g_app_info_create_from_commandline (command_line,
"gnome-control-center.desktop",
G_APP_INFO_CREATE_SUPPORTS_STARTUP_NOTIFICATION,
&error);
if (!app) {
g_dbus_method_invocation_return_gerror (invocation, error);
g_error_free (error);
return TRUE;
}
if (!g_app_info_launch (app, NULL, G_APP_LAUNCH_CONTEXT (launch_context), &error))
{
g_dbus_method_invocation_return_gerror (invocation, error);
g_error_free (error);
}
else
{
cc_shell_search_provider2_complete_launch_search (skeleton, invocation);
}
return TRUE;
}
static void
cc_search_provider_init (CcSearchProvider *self)
{
self->skeleton = cc_shell_search_provider2_skeleton_new ();
g_signal_connect (self->skeleton, "handle-get-initial-result-set",
G_CALLBACK (handle_get_initial_result_set), self);
g_signal_connect (self->skeleton, "handle-get-subsearch-result-set",
G_CALLBACK (handle_get_subsearch_result_set), self);
g_signal_connect (self->skeleton, "handle-get-result-metas",
G_CALLBACK (handle_get_result_metas), self);
g_signal_connect (self->skeleton, "handle-activate-result",
G_CALLBACK (handle_activate_result), self);
g_signal_connect (self->skeleton, "handle-launch-search",
G_CALLBACK (handle_launch_search), self);
}
gboolean
cc_search_provider_dbus_register (CcSearchProvider *self,
GDBusConnection *connection,
const gchar *object_path,
GError **error)
{
GDBusInterfaceSkeleton *skeleton;
skeleton = G_DBUS_INTERFACE_SKELETON (self->skeleton);
return g_dbus_interface_skeleton_export (skeleton, connection, object_path, error);
}
void
cc_search_provider_dbus_unregister (CcSearchProvider *self,
GDBusConnection *connection,
const gchar *object_path)
{
GDBusInterfaceSkeleton *skeleton;
skeleton = G_DBUS_INTERFACE_SKELETON (self->skeleton);
if (g_dbus_interface_skeleton_has_connection (skeleton, connection))
g_dbus_interface_skeleton_unexport_from_connection (skeleton, connection);
}
static void
cc_search_provider_dispose (GObject *object)
{
CcSearchProvider *self;
self = CC_SEARCH_PROVIDER (object);
g_clear_object (&self->skeleton);
G_OBJECT_CLASS (cc_search_provider_parent_class)->dispose (object);
}
static void
cc_search_provider_class_init (CcSearchProviderClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = cc_search_provider_dispose;
}
CcSearchProvider *
cc_search_provider_new (void)
{
return g_object_new (CC_TYPE_SEARCH_PROVIDER, NULL);
}
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