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/*
* Copyright (C) 2014 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: jouyouyun <jouyouwen717@gmail.com>
*
* This program 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 3 of the License, or
* any later version.
*
* 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/>.
*/
package mime
import (
"fmt"
"pkg.deepin.io/gir/gio-2.0"
dutils "pkg.deepin.io/lib/utils"
)
const (
MimeTypeGtk = "application/x-gtk-theme"
MimeTypeIcon = "application/x-icon-theme"
MimeTypeCursor = "application/x-cursor-theme"
)
// Query query file mime type
func Query(uri string) (string, error) {
file := dutils.DecodeURI(uri)
// determine whether theme type
mime, err := queryThemeMime(file)
if err == nil {
return mime, nil
}
return doQueryFile(file)
}
// Set 'mime' default app to 'desktopId'
//
// desktopId: the basename of the desktop file
func SetDefaultApp(mime, desktopId string) error {
cur, _ := GetDefaultApp(mime, false)
if cur == desktopId {
return nil
}
app := gio.NewDesktopAppInfo(desktopId)
if app == nil {
return fmt.Errorf("Invalid id '%v'", desktopId)
}
defer app.Unref()
_, err := app.SetAsDefaultForType(mime)
return err
}
// Get default app for 'mime'
//
// ret0: desktopId
func GetDefaultApp(mime string, mustSupportURIs bool) (string, error) {
app := gio.AppInfoGetDefaultForType(mime, false)
if app == nil {
return "", fmt.Errorf("Invalid mime '%v'", mime)
}
defer app.Unref()
if mustSupportURIs {
if !app.SupportsUris() {
return "", fmt.Errorf("Not found app supported '%s' and uris", mime)
}
}
return app.GetId(), nil
}
// Get app list of supported the 'mime'
// ret0: desktopId list
func GetAppList(mime string) []string {
apps := gio.AppInfoGetAllForType(mime)
var list []string
for _, app := range apps {
list = append(list, app.GetId())
app.Unref()
}
return list
}
func doQueryFile(file string) (string, error) {
if !dutils.IsFileExist(file) {
return "", fmt.Errorf("Not found the file '%s'", file)
}
gf := gio.FileNewForPath(file)
defer gf.Unref()
info, err := gf.QueryInfo(gio.FileAttributeStandardContentType,
gio.FileQueryInfoFlagsNone, nil)
if err != nil {
return "", err
}
defer info.Unref()
return info.GetAttributeString(
gio.FileAttributeStandardContentType), nil
}
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