~audio-recorder/audio-recorder/trunk

/*

 * Copyright (c) 2011- Osmo Antero.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 3 of the License (GPL3), or any later version.

 *

 * This library 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 Library General Public License 3 for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License 3 along with this program; if not, see /usr/share/common-licenses/GPL file

 * or <http://www.gnu.org/licenses/>.

*/

#include <stdlib.h>

#include "auto-start.h"

#include "support.h"

#include "utility.h"

#include "dconf.h"

#include "log.h"

#include <glib.h>

#include <glib/gstdio.h>

#define AUTO_START_PATH ".config/autostart/"

#define AUTO_START_FILENAME "audio-recorder.desktop"

static gchar *get_autostart_filename();

static gchar *get_desktop_filename();

static void create_autostart_directory();

static gchar *autostart_get_default_content();

static void autostart_remove_file(gchar *autostart_file);

void autostart_set(gboolean _on) {

    // Re-create $HOME/.config/autostart/audio-recorder.desktop file.

    // Take a copy of /usr/share/applications/audio-recorder.desktop.

    // if _on == TRUE: Set the field "X-GNOME-Autostart-enabled" to "true".

    // if _on == FALSE: Remove autostart file from the system.

    GKeyFile *key_file = NULL;

    // autostart_file, normally: $HOME/.config/autostart/audio-recorder.desktop

    gchar *autostart_file = get_autostart_filename();

    // desktop_file: normally /usr/share/applications/audio-recorder.desktop (shown in menus, toolbars and desktop surface)

    gchar *desktop_file = get_desktop_filename();

    // Ref. bug #1312524. Some users have reported problems with setting the autostart option to OFF/NO.

    if (_on == FALSE) {

        // Delete autostart file and disable it entirely.

        autostart_remove_file(autostart_file);

        goto LBL_1;

    }

    // Activate autostart (_on == TRUE).

    // Ref: https://developer.gnome.org/glib/unstable/glib-Key-value-file-parser.html

    key_file = g_key_file_new();

    GError *error = NULL;

    g_key_file_load_from_file(key_file, desktop_file, G_KEY_FILE_KEEP_TRANSLATIONS, &error);

    if (error) {

        LOG_ERROR("Cannot read file %s. %s\n", desktop_file, error->message);

        g_error_free(error);

        // Get default content

        gchar *text = autostart_get_default_content();

        error = NULL;

        g_key_file_load_from_data(key_file, text, -1, G_KEY_FILE_KEEP_TRANSLATIONS, &error);

        g_free(text);

    }

    if (error) {

        LOG_ERROR("Cannot read file %s. %s\n", desktop_file, error->message);

        g_error_free(error);

        // Cannot continue

        goto LBL_1;

    }

    // Enable/disable auto start.

    // Set the value of "X-GNOME-Autostart-enabled" to TRUE.

    g_key_file_set_boolean(key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Autostart-enabled", _on);

    // Show either trayicon or window. Not both.

    gboolean show_icon = FALSE;

    conf_get_boolean_value("show-systray-icon", &show_icon);

    // Create exec line

    gchar *cmd = NULL;

    if (show_icon) {

        // Hide window, show trayicon (icon is switched on in the settings)

        cmd = g_strdup_printf("%s --show-window=0", PACKAGE);

    } else {

        // Show window, hide trayicon (icon is switched off in the settings)

        cmd = g_strdup_printf("%s --show-window=1", PACKAGE);

    }

    g_key_file_set_string(key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_EXEC, cmd);

    g_free(cmd);

    // Get key_file as text

    gchar *text = g_key_file_to_data(key_file, NULL, NULL);

    // Make sure we have $HOME/.config/autostart/ directory

    create_autostart_directory();

    // Save to autostart_file

    error = NULL;

    save_file_content(autostart_file, text, &error);

    if (error) {

        LOG_ERROR("Cannot write to file %s. %s\n", autostart_file, error->message);

        g_error_free(error);

    }

    // Free the text

    g_free(text);

LBL_1:

    // Free values

    if (key_file) {

        g_key_file_free(key_file);

    }

    g_free(autostart_file);

    g_free(desktop_file);

}

static void autostart_remove_file(gchar *autostart_file) {

    // Delete autostart file from the system

    // Safety test

    if (g_file_test(autostart_file, G_FILE_TEST_IS_REGULAR)) {

        LOG_DEBUG("Removing autostart file:%s\n", autostart_file);

        // Delete

        g_remove(autostart_file);

        if (g_file_test(autostart_file, G_FILE_TEST_IS_REGULAR)) {

            LOG_ERROR("Cannot delete autostart file:%s. Is it write protected?", autostart_file);

        }

    }

}

gboolean autostart_get() {

    // Get current auto-start value.

    // Read $HOME/.config/autostart/audio-recorder.desktop file and return value of "X-GNOME-Autostart-enabled".

    // auto_start_file, normally: $HOME/.config/autostart/audio-recorder.desktop

    gchar *auto_start_file = get_autostart_filename();

    gboolean ret = TRUE;

    GKeyFile *key_file = g_key_file_new();

    GError *error = NULL;

    g_key_file_load_from_file(key_file, auto_start_file, G_KEY_FILE_KEEP_TRANSLATIONS, &error);

    if (error) {

        g_error_free(error);

        ret = FALSE;

        goto LBL_1;

    }

    error = NULL;

    ret = g_key_file_get_boolean(key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Autostart-enabled", &error);

    if (error) {

        g_error_free(error);

        ret = FALSE;

    }

LBL_1:

    // Free values

    g_key_file_free(key_file);

    g_free(auto_start_file);

    return ret;

}

static gchar *get_desktop_filename() {

    // Return path+name for the .desktop file.

    // Normally: /usr/share/applications/audio-recorder.desktop

    gchar *data_dir = get_data_directory();

    gchar *desktop_file = g_strdup_printf("%s/applications/%s", data_dir, AUTO_START_FILENAME);

    g_free(data_dir);

    // Caller should g_free() this value

    return desktop_file;

}

static gchar *get_autostart_filename() {

    // Return path+name for the auto start file.

    // Get $HOME

    gchar *home = get_home_dir();

    gchar *filename = g_build_filename(home, AUTO_START_PATH, AUTO_START_FILENAME, NULL);

    g_free(home);

    // Caller should g_free() this value

    return filename;

}

static void create_autostart_directory() {

    // Create "$HOME/.config/autostart/" directory.

    // It is normally created by "Autostart Applications" dialog, but it's initially missing in new GNOME-installations.

    gchar *home = get_home_dir();

    gchar *path = g_build_filename(home, AUTO_START_PATH, NULL);

    // Create autostart directory

    if (g_mkdir_with_parents(path, 0700) == -1) {

        LOG_ERROR("Cannot create path \"%s\"\n", path);

    }

    g_free(home);

    g_free(path);

}

static gchar *autostart_get_default_content() {

    // Default audio-recorder.desktop content

    return g_strdup("\n"

                    "[Desktop Entry]\n"

                    "GenericName=Audio Recorder\n"

                    "Type=Application\n"

                    "Exec=audio-recorder --show-window=1\n"

                    "Hidden=false\n"

                    "NoDisplay=false\n"

                    "Categories=GNOME;AudioVideo;Recorder\n"

                    "X-GNOME-Autostart-enabled=false\n"

                    "Name=Audio Recorder\n"

                    "Name[en_US]=Audio Recorder\n"

                    "Comment=Audio recorder application\n"

                    "Comment[en_US]=Easy-to-use audio recording tool\n");

}