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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/. */
//! The `servo` test application.
//!
//! Creates a `Browser` instance with a simple implementation of
//! the compositor's `WindowMethods` to create a working web browser.
//!
//! This browser's implementation of `WindowMethods` is built on top
//! of [glutin], the cross-platform OpenGL utility and windowing
//! library.
//!
//! For the engine itself look next door in lib.rs.
//!
//! [glutin]: https://github.com/tomaka/glutin
#![feature(start)]
#[cfg(target_os = "android")]
#[macro_use]
extern crate android_glue;
// The window backed by glutin
extern crate glutin_app as app;
extern crate env_logger;
// The Servo engine
extern crate servo;
extern crate time;
use servo::Browser;
use servo::compositing::windowing::WindowEvent;
use servo::net_traits::hosts;
use servo::util::opts;
#[cfg(target_os = "android")]
use std::borrow::ToOwned;
use std::rc::Rc;
fn main() {
env_logger::init().unwrap();
// Parse the command line options and store them globally
opts::from_cmdline_args(&*args());
setup_logging();
// Possibly interpret the `HOST_FILE` environment variable
hosts::global_init();
let window = if opts::get().headless {
None
} else {
Some(app::create_window(std::ptr::null_mut()))
};
// Our wrapper around `Browser` that also implements some
// callbacks required by the glutin window implementation.
let mut browser = BrowserWrapper {
browser: Browser::new(window.clone()),
};
maybe_register_glutin_resize_handler(&window, &mut browser);
browser.browser.handle_events(vec![WindowEvent::InitializeCompositing]);
// Feed events from the window to the browser until the browser
// says to stop.
loop {
let should_continue = match window {
None => browser.browser.handle_events(Vec::new()),
Some(ref window) => browser.browser.handle_events(window.wait_events()),
};
if !should_continue {
break
}
};
maybe_unregister_glutin_resize_handler(&window);
let BrowserWrapper {
browser
} = browser;
browser.shutdown();
}
fn maybe_register_glutin_resize_handler(window: &Option<Rc<app::window::Window>>,
browser: &mut BrowserWrapper) {
match *window {
None => {}
Some(ref window) => {
unsafe {
window.set_nested_event_loop_listener(browser);
}
}
}
}
fn maybe_unregister_glutin_resize_handler(window: &Option<Rc<app::window::Window>>) {
match *window {
None => {}
Some(ref window) => {
unsafe {
window.remove_nested_event_loop_listener();
}
}
}
}
struct BrowserWrapper {
browser: Browser,
}
impl app::NestedEventLoopListener for BrowserWrapper {
fn handle_event_from_nested_event_loop(&mut self, event: WindowEvent) -> bool {
let is_resize = match event {
WindowEvent::Resize(..) => true,
_ => false,
};
if !self.browser.handle_events(vec![event]) {
return false
}
if is_resize {
self.browser.repaint_synchronously()
}
true
}
}
#[cfg(target_os = "android")]
fn setup_logging() {
android::setup_logging();
}
#[cfg(not(target_os = "android"))]
fn setup_logging() {
}
#[cfg(target_os = "android")]
fn args() -> Vec<String> {
vec![
"servo".to_owned(),
"http://en.wikipedia.org/wiki/Rust".to_owned()
]
}
#[cfg(not(target_os = "android"))]
fn args() -> Vec<String> {
use std::env;
env::args().collect()
}
// This macro must be used at toplevel because it defines a nested
// module, but macros can only accept identifiers - not paths -
// preventing the expansion of this macro within the android module
// without use of an additionl stub method or other hackery.
#[cfg(target_os = "android")]
android_start!(main);
#[cfg(target_os = "android")]
mod android {
extern crate libc;
extern crate android_glue;
use self::libc::c_int;
use std::borrow::ToOwned;
pub fn setup_logging() {
use self::libc::consts::os::posix88::{STDERR_FILENO, STDOUT_FILENO};
//use std::env;
//env::set_var("RUST_LOG", "servo,gfx,msg,util,layers,js,std,rt,extra");
redirect_output(STDERR_FILENO);
redirect_output(STDOUT_FILENO);
}
struct FilePtr(*mut self::libc::types::common::c95::FILE);
unsafe impl Send for FilePtr {}
fn redirect_output(file_no: c_int) {
use self::libc::funcs::c95::stdio::fgets;
use self::libc::funcs::posix88::stdio::fdopen;
use self::libc::funcs::posix88::unistd::{pipe, dup2};
use servo::util::task::spawn_named;
use std::ffi::CStr;
use std::ffi::CString;
use std::str::from_utf8;
unsafe {
let mut pipes: [c_int; 2] = [ 0, 0 ];
pipe(pipes.as_mut_ptr());
dup2(pipes[1], file_no);
let mode = CString::new("r").unwrap();
let input_file = FilePtr(fdopen(pipes[0], mode.as_ptr()));
spawn_named("android-logger".to_owned(), move || {
static READ_SIZE: usize = 1024;
let mut read_buffer = vec![0; READ_SIZE];
let FilePtr(input_file) = input_file;
loop {
fgets(read_buffer.as_mut_ptr(), (read_buffer.len() as i32)-1, input_file);
let c_str = CStr::from_ptr(read_buffer.as_ptr());
let slice = from_utf8(c_str.to_bytes()).unwrap();
android_glue::write_log(slice);
}
});
}
}
}
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