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    // Copyright 2015-2017 Parity Technologies (UK) Ltd.
    // This file is part of Parity.

    // Parity is free software: you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation, either version 3 of the License, or
    // (at your option) any later version.

    // Parity is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    // GNU General Public License for more details.

    // You should have received a copy of the GNU General Public License
    // along with Parity.  If not, see <http://www.gnu.org/licenses/>.

    //! Cross-platform open url in default browser

    #[cfg(windows)]
    mod shell {
    	extern crate winapi;

    	use self::winapi::*;
    	extern "system" {
    		pub fn ShellExecuteA(
    			hwnd: HWND, lpOperation: LPCSTR, lpFile: LPCSTR, lpParameters: LPCSTR, lpDirectory: LPCSTR,
    			nShowCmd: c_int
    		) -> HINSTANCE;
    	}

    	pub use self::winapi::SW_SHOWNORMAL as Normal;
    }

    #[cfg(windows)]
    pub fn open(url: &str) {
    	use std::ffi::CString;
    	use std::ptr;

    	unsafe {
    		shell::ShellExecuteA(ptr::null_mut(),
    			CString::new("open").unwrap().as_ptr(),
    			CString::new(url.to_owned().replace("\n", "%0A")).unwrap().as_ptr(),
    			ptr::null(),
    			ptr::null(),
    			shell::Normal);
    	}
    }

    #[cfg(any(target_os="macos", target_os="freebsd"))]
    pub fn open(url: &str) {
    	use std;
    	let _ = std::process::Command::new("open").arg(url).spawn();
    }

    #[cfg(target_os="linux")]
    pub fn open(url: &str) {
    	use std;
    	let _ = std::process::Command::new("xdg-open").arg(url).spawn();
    }

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