Struct State 

pub struct State {
    pub history: Vec<PathBuf>,
    pub hashes: HashMap<PathBuf, CacheEntry>,
}

Manages the persistence of the wallpaper history loop and the smart file cache.

Fields

history: Vec<PathBuf>

hashes: HashMap<PathBuf, CacheEntry>

Implementations

impl State

pub fn load(env: &Environment<'_>) -> Self

Loads the persistent state file from the system configuration path.

pub fn save(&mut self, env: &Environment<'_>) -> WallSwitchResult<()>

Atomically persists the history loops and image metadata cache to disk.

Errors

Returns a WallSwitchResult if writing the file fails.

pub fn garbage_collect(&mut self)

Removes untracked paths that no longer exist on the current filesystem from the cache.

Trait Implementations

impl Debug for State

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for State

fn default() -> State

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for State

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for State

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.