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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use nsstring::nsCString;
use storage_variant::VariantType;
use sync15::Guid;
use xpcom::{interfaces::nsIVariant, RefPtr};
/// An operation that runs on the background thread, and optionally passes a
/// result to its callback.
pub enum Ferry {
LastSync,
SetLastSync(i64),
SyncId,
ResetSyncId,
EnsureCurrentSyncId(String),
SyncStarted,
StoreIncoming(Vec<nsCString>),
SetUploaded(i64, Vec<Guid>),
SyncFinished,
Reset,
Wipe,
}
impl Ferry {
/// Returns the operation name for debugging and labeling the task
/// runnable.
pub fn name(&self) -> &'static str {
match self {
Ferry::LastSync => concat!(module_path!(), "getLastSync"),
Ferry::SetLastSync(_) => concat!(module_path!(), "setLastSync"),
Ferry::SyncId => concat!(module_path!(), "getSyncId"),
Ferry::ResetSyncId => concat!(module_path!(), "resetSyncId"),
Ferry::EnsureCurrentSyncId(_) => concat!(module_path!(), "ensureCurrentSyncId"),
Ferry::SyncStarted => concat!(module_path!(), "syncStarted"),
Ferry::StoreIncoming { .. } => concat!(module_path!(), "storeIncoming"),
Ferry::SetUploaded { .. } => concat!(module_path!(), "setUploaded"),
Ferry::SyncFinished => concat!(module_path!(), "syncFinished"),
Ferry::Reset => concat!(module_path!(), "reset"),
Ferry::Wipe => concat!(module_path!(), "wipe"),
}
}
}
/// The result of a ferry task, sent from the background thread back to the
/// main thread. Results are converted to variants, and passed as arguments to
/// `mozIBridgedSyncEngineCallback`s.
pub enum FerryResult {
LastSync(i64),
SyncId(Option<String>),
AssignedSyncId(String),
Null,
}
impl Default for FerryResult {
fn default() -> Self {
FerryResult::Null
}
}
impl FerryResult {
/// Converts the result to an `nsIVariant` that can be passed as an
/// argument to `callback.handleResult()`.
pub fn into_variant(self) -> RefPtr<nsIVariant> {
match self {
FerryResult::LastSync(v) => v.into_variant(),
FerryResult::SyncId(Some(v)) => nsCString::from(v).into_variant(),
FerryResult::SyncId(None) => ().into_variant(),
FerryResult::AssignedSyncId(v) => nsCString::from(v).into_variant(),
FerryResult::Null => ().into_variant(),
}
}
}
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