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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/. */
use dom::bindings::codegen::WindowBinding;
use dom::bindings::utils::{WrapperCache, DOMString, null_string};
use dom::bindings::utils::{CacheableWrapper, BindingObject};
use dom::document::AbstractDocument;
use dom::node::{AbstractNode, ScriptView};
use layout_interface::ReflowForScriptQuery;
use script_task::{ExitMsg, FireTimerMsg, Page, ScriptChan};
use servo_msg::compositor_msg::ScriptListener;
use js::glue::*;
use js::jsapi::{JSObject, JSContext};
use js::{JSVAL_NULL, JSPROP_ENUMERATE};
use std::cast;
use std::comm;
use std::comm::Chan;
use std::io;
use std::ptr;
use js::jsapi::JSVal;
use extra::timer;
use extra::uv_global_loop;
pub enum TimerControlMsg {
TimerMessage_Fire(~TimerData),
TimerMessage_Close,
TimerMessage_TriggerExit //XXXjdm this is just a quick hack to talk to the script task
}
//FIXME If we're going to store the page, find a way to do so safely.
pub struct Window {
page: *mut Page,
script_chan: ScriptChan,
compositor: @ScriptListener,
wrapper: WrapperCache,
timer_chan: Chan<TimerControlMsg>,
}
#[unsafe_destructor]
impl Drop for Window {
fn drop(&self) {
self.timer_chan.send(TimerMessage_Close);
}
}
// Holder for the various JS values associated with setTimeout
// (ie. function value to invoke and all arguments to pass
// to the function when calling it)
pub struct TimerData {
funval: JSVal,
args: ~[JSVal],
}
impl Window {
pub fn Alert(&self, s: &DOMString) {
// Right now, just print to the console
io::println(fmt!("ALERT: %s", s.to_str()));
}
pub fn Close(&self) {
self.timer_chan.send(TimerMessage_TriggerExit);
}
pub fn Document(&self) -> AbstractDocument {
unsafe {
(*self.page).frame.unwrap().document
}
}
pub fn Name(&self) -> DOMString {
null_string
}
pub fn SetName(&self, _name: &DOMString) {
}
pub fn Status(&self) -> DOMString {
null_string
}
pub fn SetStatus(&self, _status: &DOMString) {
}
pub fn Closed(&self) -> bool {
false
}
pub fn Stop(&self) {
}
pub fn Focus(&self) {
}
pub fn Blur(&self) {
}
pub fn GetFrameElement(&self) -> Option<AbstractNode<ScriptView>> {
None
}
pub fn Confirm(&self, _message: &DOMString) -> bool {
false
}
pub fn Prompt(&self, _message: &DOMString, _default: &DOMString) -> DOMString {
null_string
}
pub fn Print(&self) {
}
pub fn ShowModalDialog(&self, _cx: *JSContext, _url: &DOMString, _argument: JSVal) -> JSVal {
JSVAL_NULL
}
pub fn NamedGetter(&self, _cx: *JSContext, _name: &DOMString, _found: &mut bool) -> *JSObject {
ptr::null()
}
}
impl CacheableWrapper for Window {
fn get_wrappercache(&mut self) -> &mut WrapperCache {
unsafe { cast::transmute(&self.wrapper) }
}
fn wrap_object_shared(@mut self, cx: *JSContext, scope: *JSObject) -> *JSObject {
let mut unused = false;
WindowBinding::Wrap(cx, scope, self, &mut unused)
}
}
impl BindingObject for Window {
fn GetParentObject(&self, _cx: *JSContext) -> Option<@mut CacheableWrapper> {
None
}
}
impl Window {
pub fn SetTimeout(&self, _cx: *JSContext, callback: JSVal, timeout: i32) -> i32 {
let timeout = int::max(0, timeout) as uint;
// Post a delayed message to the per-window timer task; it will dispatch it
// to the relevant script handler that will deal with it.
let data = ~TimerData {
funval: callback,
args: ~[]
};
timer::delayed_send(&uv_global_loop::get(),
timeout,
&self.timer_chan,
TimerMessage_Fire(data));
return 0; //TODO return handle into list of active timers
}
pub fn content_changed(&self) {
unsafe {
(*self.page).reflow_all(ReflowForScriptQuery, self.script_chan.clone(), self.compositor);
}
}
pub fn new(page: *mut Page, script_chan: ScriptChan, compositor: @ScriptListener)
-> @mut Window {
let script_chan_clone = script_chan.clone();
let win = @mut Window {
page: page,
script_chan: script_chan,
compositor: compositor,
wrapper: WrapperCache::new(),
timer_chan: {
let (timer_port, timer_chan) = comm::stream::<TimerControlMsg>();
do spawn {
loop {
match timer_port.recv() {
TimerMessage_Close => break,
TimerMessage_Fire(td) => unsafe {script_chan_clone.chan.send(FireTimerMsg((*page).id.clone(), td))},
TimerMessage_TriggerExit => script_chan_clone.chan.send(ExitMsg),
}
}
}
timer_chan
},
};
unsafe {
// TODO(tkuehn): This just grabs the top-level page. Need to handle subframes.
let compartment = (*page).js_info.get_ref().js_compartment;
let cache = ptr::to_unsafe_ptr(win.get_wrappercache());
win.wrap_object_shared(compartment.cx.ptr, ptr::null()); //XXXjdm proper scope
compartment.define_property(~"window",
RUST_OBJECT_TO_JSVAL((*cache).wrapper),
GetJSClassHookStubPointer(PROPERTY_STUB) as *u8,
GetJSClassHookStubPointer(STRICT_PROPERTY_STUB) as *u8,
JSPROP_ENUMERATE);
}
win
}
}
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