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/*
* meli
*
* Copyright 2017-2018 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli 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.
*
* meli 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 meli. If not, see <http://www.gnu.org/licenses/>.
*/
use super::*;
use std::io::Write;
use std::process::{Command, Stdio};
#[derive(Debug)]
pub struct HtmlView {
pager: Pager,
bytes: Vec<u8>,
id: ComponentId,
}
impl HtmlView {
pub fn new(body: &Attachment, context: &mut Context) -> Self {
let id = ComponentId::new_v4();
let bytes: Vec<u8> = decode_rec(body, None);
let settings = &context.settings;
let mut display_text = if let Some(filter_invocation) = settings.pager.html_filter.as_ref()
{
let parts = split_command!(filter_invocation);
let (cmd, args) = (parts[0], &parts[1..]);
let command_obj = Command::new(cmd)
.args(args)
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn();
if command_obj.is_err() {
context.replies.push_back(UIEvent::Notification(
Some(format!(
"Failed to start html filter process: {}",
filter_invocation,
)),
String::new(),
Some(NotificationType::ERROR),
));
String::from_utf8_lossy(&bytes).to_string()
} else {
let mut html_filter = command_obj.unwrap();
html_filter
.stdin
.as_mut()
.unwrap()
.write_all(&bytes)
.expect("Failed to write to html filter stdin");
let mut display_text = format!(
"Text piped through `{}`. Press `v` to open in web browser. \n\n",
filter_invocation
);
display_text.push_str(&String::from_utf8_lossy(
&html_filter.wait_with_output().unwrap().stdout,
));
display_text
}
} else if let Ok(mut html_filter) = Command::new("w3m")
.args(&["-I", "utf-8", "-T", "text/html"])
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
{
html_filter
.stdin
.as_mut()
.unwrap()
.write_all(&bytes)
.expect("Failed to write to html filter stdin");
let mut display_text =
String::from("Text piped through `w3m`. Press `v` to open in web browser. \n\n");
display_text.push_str(&String::from_utf8_lossy(
&html_filter.wait_with_output().unwrap().stdout,
));
display_text
} else {
context.replies.push_back(UIEvent::Notification(
Some("Failed to find any application to use as html filter".to_string()),
String::new(),
Some(NotificationType::ERROR),
));
String::from_utf8_lossy(&bytes).to_string()
};
if body.count_attachments() > 1 {
display_text =
body.attachments()
.iter()
.enumerate()
.fold(display_text, |mut s, (idx, a)| {
s.push_str(&format!("[{}] {}\n\n\n", idx, a));
s
});
}
let colors = crate::conf::value(context, "mail.view.body");
let pager = Pager::from_string(display_text, None, None, None, colors);
HtmlView { pager, bytes, id }
}
}
impl fmt::Display for HtmlView {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
// TODO display subject/info
write!(f, "view")
}
}
impl Component for HtmlView {
fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
self.pager.draw(grid, area, context);
}
fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
if self.pager.process_event(event, context) {
return true;
}
if let UIEvent::Input(Key::Char('v')) = event {
// TODO: Optional filter that removes outgoing resource requests (images and
// scripts)
let binary = query_default_app("text/html");
if let Ok(binary) = binary {
let p = create_temp_file(&self.bytes, None, None, true);
Command::new(&binary)
.arg(p.path())
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.unwrap_or_else(|_| panic!("Failed to start {}", binary.display()));
context.temp_files.push(p);
} else {
context
.replies
.push_back(UIEvent::StatusEvent(StatusEvent::DisplayMessage(
"Couldn't find a default application for html files.".to_string(),
)));
}
return true;
}
false
}
fn get_shortcuts(&self, context: &Context) -> ShortcutMaps {
self.pager.get_shortcuts(context)
}
fn is_dirty(&self) -> bool {
self.pager.is_dirty()
}
fn set_dirty(&mut self, value: bool) {
self.pager.set_dirty(value);
}
fn id(&self) -> ComponentId {
self.id
}
fn set_id(&mut self, id: ComponentId) {
self.id = id;
}
}