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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan (Treviño) <3v1n0@ubuntu.com>
* Andrea Azzarone <azzarone@gmail.com>
*/
#include <algorithm>
#include <memory>
#include <glib.h>
#include <gio/gdesktopappinfo.h>
#include "DesktopUtilities.h"
#include "GLibWrapper.h"
namespace unity
{
std::string DesktopUtilities::GetUserDataDirectory()
{
const char* user_dir = g_get_user_data_dir();
if (user_dir)
return user_dir;
// This shouldn't ever happen, but let's manually fallback to the default
const char* home = g_get_home_dir();
if (home)
{
const char* subdir = G_DIR_SEPARATOR_S ".local" G_DIR_SEPARATOR_S "share";
return std::string(home).append(subdir);
}
return "";
}
std::vector<std::string> DesktopUtilities::GetSystemDataDirectories()
{
const char* const* system_dirs = g_get_system_data_dirs();
std::vector<std::string> directories;
for (unsigned int i = 0; system_dirs && system_dirs[i]; ++i)
{
if (system_dirs[i][0] != '\0')
{
std::string dir(system_dirs[i]);
directories.push_back(dir);
}
}
return directories;
}
std::vector<std::string> DesktopUtilities::GetDataDirectories()
{
std::vector<std::string> dirs = GetSystemDataDirectories();
std::string const& user_directory = GetUserDataDirectory();
dirs.push_back(user_directory);
return dirs;
}
std::string DesktopUtilities::GetDesktopID(std::vector<std::string> const& default_paths,
std::string const& desktop_path)
{
/* We check to see if the desktop file belongs to one of the system data
* directories. If so, then we store it's desktop id, otherwise we store
* it's full path. We're clever like that.
*/
if (desktop_path.empty())
return "";
glib::String unescaped(g_uri_unescape_string(desktop_path.c_str(), NULL));
std::string const& desktop_file = unescaped.Str();
if (desktop_file.empty())
return "";
for (auto dir : default_paths)
{
if (!dir.empty())
{
if (dir.at(dir.length()-1) == G_DIR_SEPARATOR)
{
dir.append("applications" G_DIR_SEPARATOR_S);
}
else
{
dir.append(G_DIR_SEPARATOR_S "applications" G_DIR_SEPARATOR_S);
}
if (desktop_file.find(dir) == 0)
{
// if we are in a subdirectory of system path, the store name should
// be subdir-filename.desktop
std::string desktop_suffix = desktop_file.substr(dir.size());
std::replace(desktop_suffix.begin(), desktop_suffix.end(), G_DIR_SEPARATOR, '-');
return desktop_suffix;
}
}
}
return desktop_file;
}
std::string DesktopUtilities::GetDesktopID(std::string const& desktop_path)
{
std::vector<std::string> const& data_dirs = GetDataDirectories();
return GetDesktopID(data_dirs, desktop_path);
}
std::string DesktopUtilities::GetDesktopPathById(std::string const& desktop_id)
{
if (desktop_id.empty())
return "";
glib::String unescaped_id(g_uri_unescape_string(desktop_id.c_str(), NULL));
std::string const& id = unescaped_id.Str();
if (id.empty())
return "";
glib::Object<GDesktopAppInfo> info;
if (id.find(G_DIR_SEPARATOR_S) != std::string::npos)
info = g_desktop_app_info_new_from_filename(id.c_str());
else
info = g_desktop_app_info_new(id.c_str());
if (info)
{
const char* filename = g_desktop_app_info_get_filename(info);
if (filename)
return filename;
}
return "";
}
std::string DesktopUtilities::GetBackgroundColor(std::string const& desktop_path)
{
std::shared_ptr<GKeyFile> key_file(g_key_file_new(), g_key_file_free);
glib::Error error;
g_key_file_load_from_file(key_file.get(), desktop_path.c_str(), static_cast<GKeyFileFlags>(0), &error);
if (error)
return "";
glib::String value(g_key_file_get_string(key_file.get(), "Desktop Entry", "X-Unity-IconBackgroundColor", &error));
return value.Str();
}
} // namespace unity
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