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#![cfg(target_os = "android")]
extern crate android_glue;
use libc;
use std::ffi::{CString};
use std::sync::mpsc::{Receiver, channel};
use {CreationError, Event, MouseCursor};
use CreationError::OsError;
use events::ElementState::{Pressed, Released};
use events::Event::{MouseInput, MouseMoved};
use events::MouseButton;
use std::collections::VecDeque;
use Api;
use BuilderAttribs;
use ContextError;
use CursorState;
use GlContext;
use GlRequest;
use PixelFormat;
use native_monitor::NativeMonitorId;
use api::egl;
use api::egl::Context as EglContext;
pub struct Window {
context: EglContext,
event_rx: Receiver<android_glue::Event>,
}
pub struct MonitorID;
mod ffi;
pub fn get_available_monitors() -> VecDeque<MonitorID> {
let mut rb = VecDeque::new();
rb.push_back(MonitorID);
rb
}
pub fn get_primary_monitor() -> MonitorID {
MonitorID
}
impl MonitorID {
pub fn get_name(&self) -> Option<String> {
Some("Primary".to_string())
}
pub fn get_native_identifier(&self) -> NativeMonitorId {
NativeMonitorId::Unavailable
}
pub fn get_dimensions(&self) -> (u32, u32) {
unimplemented!()
}
}
pub struct PollEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
match self.window.event_rx.try_recv() {
Ok(event) => {
match event {
android_glue::Event::EventDown => Some(MouseInput(Pressed, MouseButton::Left)),
android_glue::Event::EventUp => Some(MouseInput(Released, MouseButton::Left)),
android_glue::Event::EventMove(x, y) => Some(MouseMoved((x as i32, y as i32))),
_ => None,
}
}
Err(_) => {
None
}
}
}
}
pub struct WaitEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
loop {
// calling poll_events()
if let Some(ev) = self.window.poll_events().next() {
return Some(ev);
}
// TODO: Implement a proper way of sleeping on the event queue
// timer::sleep(Duration::milliseconds(16));
}
}
}
impl Window {
pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
use std::{mem, ptr};
let native_window = unsafe { android_glue::get_native_window() };
if native_window.is_null() {
return Err(OsError(format!("Android's native window is null")));
}
let context = try!(EglContext::new(egl::ffi::egl::Egl, &builder, None,
native_window as *const _));
let (tx, rx) = channel();
android_glue::add_sender(tx);
Ok(Window {
context: context,
event_rx: rx,
})
}
pub fn is_closed(&self) -> bool {
false
}
pub fn set_title(&self, _: &str) {
}
pub fn show(&self) {
}
pub fn hide(&self) {
}
pub fn get_position(&self) -> Option<(i32, i32)> {
None
}
pub fn set_position(&self, _x: i32, _y: i32) {
}
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
let native_window = unsafe { android_glue::get_native_window() };
if native_window.is_null() {
None
} else {
Some((
unsafe { ffi::ANativeWindow_getWidth(native_window) } as u32,
unsafe { ffi::ANativeWindow_getHeight(native_window) } as u32
))
}
}
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
self.get_inner_size()
}
pub fn set_inner_size(&self, _x: u32, _y: u32) {
}
pub fn create_window_proxy(&self) -> WindowProxy {
WindowProxy
}
pub fn poll_events(&self) -> PollEventsIterator {
PollEventsIterator {
window: self
}
}
pub fn wait_events(&self) -> WaitEventsIterator {
WaitEventsIterator {
window: self
}
}
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!();
}
pub fn platform_window(&self) -> *mut libc::c_void {
unimplemented!()
}
pub fn get_pixel_format(&self) -> PixelFormat {
unimplemented!();
}
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
}
pub fn set_cursor(&self, _: MouseCursor) {
}
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
Ok(())
}
pub fn hidpi_factor(&self) -> f32 {
1.0
}
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
unimplemented!();
}
}
unsafe impl Send for Window {}
unsafe impl Sync for Window {}
impl GlContext for Window {
unsafe fn make_current(&self) -> Result<(), ContextError> {
self.context.make_current()
}
fn is_current(&self) -> bool {
self.context.is_current()
}
fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
self.context.get_proc_address(addr)
}
fn swap_buffers(&self) -> Result<(), ContextError> {
self.context.swap_buffers()
}
fn get_api(&self) -> Api {
self.context.get_api()
}
fn get_pixel_format(&self) -> PixelFormat {
self.context.get_pixel_format()
}
}
#[cfg(feature = "window")]
#[derive(Clone)]
pub struct WindowProxy;
impl WindowProxy {
pub fn wakeup_event_loop(&self) {
unimplemented!()
}
}
|
