func (bg *Background) Set(uri string) error {
settings := NewGSettings("com.deepin.wrap.gnome.desktop.background")
defer Unref(settings)
value := settings.GetString(settingsKeyPictureURI)
if isBackgroundSame(uri, value) {
return nil
}
if isBackgroundInInfoList(uri, bg.infoList) {
settings.SetString(settingsKeyPictureURI, uri)
return nil
}
// cp uri to user wallpapers
src := dutils.DecodeURI(uri)
if !dutils.IsFileExist(src) {
src = defaultBgFile
}
dir := getUserWallpaper()
if len(dir) == 0 {
return errUserPict
}
filename := path.Join(dir, path.Base(src))
err := dutils.CopyFile(src, filename)
if err != nil {
return err
}
settings.SetString(settingsKeyPictureURI,
dutils.EncodeURI(filename, dutils.SCHEME_FILE))
return nil
}
func (bg *Background) IsValueValid(value string) bool {
filename := dutils.DecodeURI(value)
if dutils.IsFileExist(filename) &&
graphic.IsSupportedImage(filename) {
return true
}
return false
}
func isBackgroundSame(uri1, uri2 string) bool {
bg1 := dutils.DecodeURI(uri1)
bg2 := dutils.DecodeURI(uri2)
md51, ok := dutils.SumFileMd5(bg1)
if !ok {
return false
}
md52, ok := dutils.SumFileMd5(bg2)
if !ok {
return false
}
if md51 == md52 {
return true
}
return false
}
func (bg *Background) GetThumbnail(src string) string {
thumb := GetThumbnail(BackgroundThumbSeed, src)
if len(thumb) != 0 {
return thumb
}
GenerateThumbnail()
return dutils.DecodeURI(src)
}
// SetBackgroundSourceFile setup the background source file, then
// generate the background to fit the screen resolution, support png
// and jpeg image format.
func (theme *Theme) SetBackgroundSourceFile(imageFile string) (ok bool, err error) {
imageFile = utils.DecodeURI(imageFile)
ok = graphic.IsSupportedImage(imageFile)
if ok {
go func() {
theme.doSetBackgroundSourceFile(imageFile)
}()
}
return
}
func getBgDirList(infoList []PathInfo) []string {
var list []string
for _, info := range infoList {
dir := dutils.DecodeURI(info.FilePath)
list = append(list, dir)
}
return list
}
func (bg *Background) Delete(uri string) error {
for _, info := range bg.infoList {
if info.FilePath == uri {
if info.FileFlag == FileFlagUserOwned {
return os.RemoveAll(dutils.DecodeURI(info.FilePath))
}
break
}
}
return nil
}
func GetThumbnail(seed, uri string) string {
if !isThumbSeedValid(seed) {
return ""
}
src := dutils.DecodeURI(uri)
dir := path.Join(os.Getenv("HOME"), userThumbFileDir)
md5Str, _ := dutils.SumStrMd5(seed + src)
dest := path.Join(dir, md5Str+".png")
if dutils.IsFileExist(dest) {
//return dutils.EncodeURI(dest, dutils.SCHEME_FILE)
return dest
}
dest = path.Join(systemThumbFileDir, md5Str+".png")
if dutils.IsFileExist(dest) {
//return dutils.EncodeURI(dest, dutils.SCHEME_FILE)
return dest
}
return ""
}
// convert uri to local path, etc "file:///the/path" -> "/the/path"
func toLocalPath(path string) (localPath string) {
return utils.DecodeURI(path)
}