89 lines
2.6 KiB
Rust
89 lines
2.6 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Cross-platform open url in default browser
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use std;
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use std::os::raw::c_int;
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#[allow(unused)]
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pub enum Error {
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ProcessError(std::io::Error),
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WindowsShellExecute(c_int),
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}
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impl From<std::io::Error> for Error {
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fn from(err: std::io::Error) -> Self {
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Error::ProcessError(err)
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}
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}
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impl std::fmt::Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
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match *self {
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Error::ProcessError(ref e) => write!(f, "{}", e),
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Error::WindowsShellExecute(e) => write!(f, "WindowsShellExecute error: {}", e),
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}
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}
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}
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#[cfg(windows)]
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pub fn open(url: &str) -> Result<(), Error> {
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use std::ffi::CString;
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use std::ptr;
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use winapi::um::shellapi::ShellExecuteA;
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use winapi::um::winuser::SW_SHOWNORMAL as Normal;
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const WINDOWS_SHELL_EXECUTE_SUCCESS: c_int = 32;
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let h_instance = unsafe {
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ShellExecuteA(ptr::null_mut(),
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CString::new("open").unwrap().as_ptr(),
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CString::new(url.to_owned().replace("\n", "%0A")).unwrap().as_ptr(),
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ptr::null(),
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ptr::null(),
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Normal) as c_int
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};
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// https://msdn.microsoft.com/en-us/library/windows/desktop/bb762153(v=vs.85).aspx
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// `ShellExecute` returns a value greater than 32 on success
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if h_instance > WINDOWS_SHELL_EXECUTE_SUCCESS {
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Ok(())
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} else {
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Err(Error::WindowsShellExecute(h_instance))
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}
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}
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#[cfg(any(target_os="macos", target_os="freebsd"))]
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pub fn open(url: &str) -> Result<(), Error> {
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let _ = std::process::Command::new("open").arg(url).spawn()?;
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Ok(())
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}
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#[cfg(target_os="linux")]
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pub fn open(url: &str) -> Result<(), Error> {
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let _ = std::process::Command::new("xdg-open").arg(url).spawn()?;
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Ok(())
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}
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#[cfg(any(target_os="android", target_os="ios"))]
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pub fn open(_url: &str) -> Result<(), Error> {
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// TODO: While it is generally always bad to leave a function implemented, there is not much
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// more we can do here. This function will eventually be removed when we compile Parity
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// as a library and not as a full binary.
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Ok(())
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}
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