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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::utils::{CacheableWrapper, WrapperCache, BindingObject, DerivedWrapper};
use dom::bindings::codegen::ClientRectBinding;
use script_task::page_from_context;
use js::jsapi::{JSObject, JSContext, JSVal};
use js::glue::RUST_OBJECT_TO_JSVAL;
use std::cast;
use std::f32;
pub struct ClientRect {
wrapper: WrapperCache,
top: f32,
bottom: f32,
left: f32,
right: f32,
}
impl ClientRect {
pub fn new(top: f32, bottom: f32, left: f32, right: f32, cx: *JSContext, scope: *JSObject) -> @mut ClientRect {
let rect = @mut ClientRect {
top: top,
bottom: bottom,
left: left,
right: right,
wrapper: WrapperCache::new()
};
rect.init_wrapper(cx, scope);
rect
}
pub fn init_wrapper(@mut self, cx: *JSContext, scope: *JSObject) {
self.wrap_object_shared(cx, scope);
}
pub fn Top(&self) -> f32 {
self.top
}
pub fn Bottom(&self) -> f32 {
self.bottom
}
pub fn Left(&self) -> f32 {
self.left
}
pub fn Right(&self) -> f32 {
self.right
}
pub fn Width(&self) -> f32 {
f32::abs(self.right - self.left)
}
pub fn Height(&self) -> f32 {
f32::abs(self.bottom - self.top)
}
}
impl CacheableWrapper for ClientRect {
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;
ClientRectBinding::Wrap(cx, scope, self, &mut unused)
}
}
impl BindingObject for ClientRect {
fn GetParentObject(&self, cx: *JSContext) -> Option<@mut CacheableWrapper> {
let page = page_from_context(cx);
unsafe {
Some((*page).frame.get_ref().window as @mut CacheableWrapper)
}
}
}
impl DerivedWrapper for ClientRect {
fn wrap(&mut self, _cx: *JSContext, _scope: *JSObject, _vp: *mut JSVal) -> i32 {
fail!(~"nyi")
}
fn wrap_shared(@mut self, cx: *JSContext, scope: *JSObject, vp: *mut JSVal) -> i32 {
let obj = self.wrap_object_shared(cx, scope);
if obj.is_null() {
return 0;
} else {
unsafe { *vp = RUST_OBJECT_TO_JSVAL(obj) };
return 1;
}
}
}
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