1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69

use dbus::arg::messageitem::MessageItem;

/// Describes the timeout of a notification
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum Timeout {
    /// Expires according to server default.
    ///
    /// Whatever that might be...
    Default,

    /// Do not expire, user will have to close this manually.
    Never,

    /// Expire after n milliseconds.
    Milliseconds(u32),
}

impl Default for Timeout {
    fn default() -> Self {
        Timeout::Default
    }
}

impl From<i32> for Timeout {
    fn from(int: i32) -> Timeout {
        if int < 0 {
            Timeout::Default
        } else if int == 0 {
            Timeout::Never
        } else {
            Timeout::Milliseconds(int as u32)
        }
    }
}

impl Into<i32> for Timeout {
    fn into(self) -> i32 {
        match self {
            Timeout::Default => -1,
            Timeout::Never => 0,
            Timeout::Milliseconds(ms) => ms as i32,
        }
    }
}

pub struct TimeoutMessage(Timeout);

impl From<Timeout> for TimeoutMessage {
    fn from(hint: Timeout) -> Self {
        TimeoutMessage(hint)
    }
}

impl std::ops::Deref for TimeoutMessage {
    type Target = Timeout;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

#[cfg(all(unix, not(target_os = "macos")))]
impl std::convert::TryFrom<&MessageItem> for TimeoutMessage {
    type Error = ();

    fn try_from(mi: &MessageItem) -> Result<TimeoutMessage, ()> {
        mi.inner::<i32>().map(|i| TimeoutMessage(i.into()))
    }
}