No-ui compilation feature

Cargo.toml

@@ -49,6 +49,7 @@ default-features = false
 
 [features]
 default = ["dapps"]
+no-ui = ["ethcore-signer/no-ui"]
 dapps = ["ethcore-dapps"]
 dev = ["clippy", "ethcore/dev", "ethcore-util/dev", "ethsync/dev", "ethcore-rpc/dev",
 "ethcore-dapps/dev", "ethcore-signer/dev"]

parity/configuration.rs

@@ -561,7 +561,7 @@ impl Configuration {
 	}
 
 	pub fn dapps_enabled(&self) -> bool {
-		!self.args.flag_dapps_off && !self.args.flag_no_dapps
+		!self.args.flag_dapps_off && !self.args.flag_no_dapps && cfg!(not(feature = "no-ui"))
 	}
 
 	pub fn signer_enabled(&self) -> bool {

parity/dapps.rs

@@ -21,9 +21,9 @@ use util::panics::PanicHandler;
 use die::*;
 use rpc_apis;
 
-#[cfg(feature = "dapps")]
+#[cfg(all(feature = "dapps", not(feature = "no-ui")))]
 pub use ethcore_dapps::Server as WebappServer;
-#[cfg(not(feature = "dapps"))]
+#[cfg(any(not(feature = "dapps"), feature = "no-ui"))]
 pub struct WebappServer;
 
 pub struct Configuration {
@@ -62,7 +62,7 @@ pub fn new(configuration: Configuration, deps: Dependencies) -> Option<WebappSer
 	Some(setup_dapps_server(deps, configuration.dapps_path, &addr, auth))
 }
 
-#[cfg(not(feature = "dapps"))]
+#[cfg(any(not(feature = "dapps"), feature = "no-ui"))]
 pub fn setup_dapps_server(
 	_deps: Dependencies,
 	_dapps_path: String,
@@ -72,7 +72,7 @@ pub fn setup_dapps_server(
 	die!("Your Parity version has been compiled without WebApps support.")
 }
 
-#[cfg(feature = "dapps")]
+#[cfg(all(feature = "dapps", not(feature = "no-ui")))]
 pub fn setup_dapps_server(
 	deps: Dependencies,
 	dapps_path: String,

parity/main.rs

@@ -51,7 +51,7 @@ extern crate ethcore_rpc;
 extern crate ethcore_signer;
 extern crate ansi_term;
 
-#[cfg(feature = "dapps")]
+#[cfg(all(feature = "dapps", not(feature = "no-ui")))]
 extern crate ethcore_dapps;
 
 #[macro_use]

signer/Cargo.toml

@@ -24,3 +24,4 @@ clippy = { version = "0.0.79", optional = true}
 
 [features]
 dev = ["clippy"]
+no-ui = []

signer/src/lib.rs

@@ -51,6 +51,7 @@ extern crate ethcore_util as util;
 extern crate ethcore_rpc as rpc;
 extern crate jsonrpc_core;
 extern crate ws;
+#[cfg(not(feature = "no-ui"))]
 extern crate parity_dapps_signer as signer;
 
 mod authcode_store;

signer/src/ws_server/session.rs

@@ -17,7 +17,6 @@
 //! Session handlers factory.
 
 use ws;
-use signer;
 use authcode_store::AuthCodes;
 use std::path::{PathBuf, Path};
 use std::sync::Arc;
@@ -25,6 +24,26 @@ use std::str::FromStr;
 use jsonrpc_core::IoHandler;
 use util::H256;
 
+#[cfg(not(feature = "no-ui"))]
+mod signer {
+	use signer;
+
+	pub fn handle(req: &str) -> Option<signer::File> {
+		signer::handle(req)
+	}
+}
+#[cfg(feature = "no-ui")]
+mod signer {
+	pub struct File {
+		pub content: String,
+		pub mime: String,
+	}
+
+	pub fn handle(_req: &str) -> Option<File> {
+		None
+	}
+}
+
 fn origin_is_allowed(self_origin: &str, header: Option<&[u8]>) -> bool {
 	match header {
 		None => false,