1121 lines
32 KiB
Rust
1121 lines
32 KiB
Rust
use std::convert::AsRef;
|
|
use std::marker::PhantomData;
|
|
use stdweb::{Reference, Value, JsSerialize, Once};
|
|
use stdweb::unstable::{TryFrom, TryInto};
|
|
use stdweb::web::{IEventTarget, INode, IElement, IHtmlElement, HtmlElement, Node, window, TextNode, EventTarget, Element};
|
|
use stdweb::web::event::ConcreteEvent;
|
|
use callbacks::Callbacks;
|
|
use traits::*;
|
|
use operations;
|
|
use operations::for_each;
|
|
use dom_operations;
|
|
use operations::{ValueDiscard, FnDiscard, spawn_future};
|
|
use futures_signals::signal::{IntoSignal, Signal};
|
|
use futures_signals::signal_vec::IntoSignalVec;
|
|
use futures_core::{Never, Async};
|
|
use futures_core::task::Context;
|
|
use futures_core::future::Future;
|
|
use futures_channel::oneshot;
|
|
use discard::{Discard, DiscardOnDrop};
|
|
|
|
|
|
pub struct RefFn<A, B, C> where B: ?Sized {
|
|
value: A,
|
|
callback: C,
|
|
return_value: PhantomData<B>,
|
|
}
|
|
|
|
impl<A, B, C> RefFn<A, B, C> where B: ?Sized, C: Fn(&A) -> &B {
|
|
#[inline]
|
|
pub fn new(value: A, callback: C) -> Self {
|
|
Self {
|
|
value,
|
|
callback,
|
|
return_value: PhantomData,
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn call_ref(&self) -> &B {
|
|
(self.callback)(&self.value)
|
|
}
|
|
|
|
/*pub fn map<D, E>(self, callback: E) -> RefFn<A, impl Fn(&A) -> &D>
|
|
where D: ?Sized,
|
|
E: Fn(&B) -> &D {
|
|
|
|
let old_callback = self.callback;
|
|
|
|
RefFn {
|
|
value: self.value,
|
|
callback: move |value| callback(old_callback(value)),
|
|
}
|
|
}*/
|
|
}
|
|
|
|
/*impl<A, B, C> Deref for RefFn<A, C> where B: ?Sized, C: Fn(&A) -> &B {
|
|
type Target = B;
|
|
|
|
#[inline]
|
|
fn deref(&self) -> &Self::Target {
|
|
self.call_ref()
|
|
}
|
|
}*/
|
|
|
|
/*impl<A, B, C> AsRef<B> for RefFn<A, C> where B: ?Sized, C: Fn(&A) -> &B {
|
|
#[inline]
|
|
fn as_ref(&self) -> &B {
|
|
self.call_ref()
|
|
}
|
|
}*/
|
|
|
|
|
|
// TODO this should be in stdweb
|
|
#[derive(Clone, Debug, PartialEq, Eq, ReferenceType)]
|
|
#[reference(instance_of = "CSSStyleRule")]
|
|
pub struct CssStyleRule(Reference);
|
|
|
|
|
|
/// A reference to an SVG Element.
|
|
///
|
|
/// [(JavaScript docs)](https://developer.mozilla.org/en-US/docs/Web/API/SVGElement)
|
|
#[derive(Clone, Debug, PartialEq, Eq, ReferenceType)]
|
|
#[reference(instance_of = "SVGElement")]
|
|
#[reference(subclass_of(EventTarget, Node, Element))]
|
|
pub struct SvgElement(Reference);
|
|
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/Document/createElementNS#Valid%20Namespace%20URIs
|
|
pub const HTML_NAMESPACE: &str = "http://www.w3.org/1999/xhtml";
|
|
pub const SVG_NAMESPACE: &str = "http://www.w3.org/2000/svg";
|
|
|
|
// 32-bit signed int
|
|
pub const HIGHEST_ZINDEX: &str = "2147483647";
|
|
|
|
|
|
// TODO this should be in stdweb
|
|
// TODO this should return HtmlBodyElement
|
|
pub fn body() -> HtmlElement {
|
|
js! ( return document.body; ).try_into().unwrap()
|
|
}
|
|
|
|
|
|
pub struct DomHandle {
|
|
parent: Node,
|
|
dom: Dom,
|
|
}
|
|
|
|
impl Discard for DomHandle {
|
|
#[inline]
|
|
fn discard(self) {
|
|
self.parent.remove_child(&self.dom.element).unwrap();
|
|
self.dom.callbacks.discard();
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn append_dom<A: INode>(parent: &A, mut dom: Dom) -> DomHandle {
|
|
parent.append_child(&dom.element);
|
|
|
|
dom.callbacks.trigger_after_insert();
|
|
|
|
// This prevents it from triggering after_remove
|
|
dom.callbacks.leak();
|
|
|
|
DomHandle {
|
|
parent: parent.as_node().clone(),
|
|
dom
|
|
}
|
|
}
|
|
|
|
|
|
struct IsWindowLoadedEvent {
|
|
callback: Value,
|
|
}
|
|
|
|
impl IsWindowLoadedEvent {
|
|
#[inline]
|
|
fn new<F>(callback: F) -> Self where F: FnOnce() + 'static {
|
|
// TODO use a proper type for the event
|
|
let callback = move |_: Value| {
|
|
callback();
|
|
};
|
|
|
|
Self {
|
|
callback: js!(
|
|
var callback = @{Once(callback)};
|
|
addEventListener("load", callback, true);
|
|
return callback;
|
|
),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Drop for IsWindowLoadedEvent {
|
|
fn drop(&mut self) {
|
|
js! { @(no_return)
|
|
var callback = @{&self.callback};
|
|
removeEventListener("load", callback, true);
|
|
callback.drop();
|
|
}
|
|
}
|
|
}
|
|
|
|
enum IsWindowLoaded {
|
|
Initial {},
|
|
Pending {
|
|
receiver: oneshot::Receiver<()>,
|
|
event: IsWindowLoadedEvent,
|
|
},
|
|
Done {},
|
|
}
|
|
|
|
impl Signal for IsWindowLoaded {
|
|
type Item = bool;
|
|
|
|
fn poll_change(&mut self, cx: &mut Context) -> Async<Option<Self::Item>> {
|
|
let result = match self {
|
|
IsWindowLoaded::Initial {} => {
|
|
let is_ready: bool = js!( return document.readyState === "complete"; ).try_into().unwrap();
|
|
|
|
if is_ready {
|
|
Async::Ready(Some(true))
|
|
|
|
} else {
|
|
let (sender, receiver) = oneshot::channel();
|
|
|
|
*self = IsWindowLoaded::Pending {
|
|
receiver,
|
|
event: IsWindowLoadedEvent::new(move || {
|
|
// TODO test this
|
|
sender.send(()).unwrap();
|
|
}),
|
|
};
|
|
|
|
Async::Ready(Some(false))
|
|
}
|
|
},
|
|
IsWindowLoaded::Pending { receiver, .. } => {
|
|
receiver.poll(cx).unwrap().map(|_| Some(true))
|
|
},
|
|
IsWindowLoaded::Done {} => {
|
|
Async::Ready(None)
|
|
},
|
|
};
|
|
|
|
if let Async::Ready(Some(true)) = result {
|
|
*self = IsWindowLoaded::Done {};
|
|
}
|
|
|
|
result
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_window_loaded() -> impl Signal<Item = bool> {
|
|
IsWindowLoaded::Initial {}
|
|
}
|
|
|
|
|
|
#[inline]
|
|
pub fn text(value: &str) -> Dom {
|
|
Dom::new(js!( return document.createTextNode(@{value}); ).try_into().unwrap())
|
|
}
|
|
|
|
|
|
// TODO should this inline ?
|
|
pub fn text_signal<A, B>(value: B) -> Dom
|
|
where A: AsStr,
|
|
B: IntoSignal<Item = A>,
|
|
B::Signal: 'static {
|
|
|
|
let element: TextNode = js!( return document.createTextNode(""); ).try_into().unwrap();
|
|
|
|
let mut callbacks = Callbacks::new();
|
|
|
|
{
|
|
let element = element.clone();
|
|
|
|
callbacks.after_remove(for_each(value.into_signal(), move |value| {
|
|
let value = value.as_str();
|
|
dom_operations::set_text(&element, value);
|
|
}));
|
|
}
|
|
|
|
Dom {
|
|
element: element.into(),
|
|
callbacks: callbacks,
|
|
}
|
|
}
|
|
|
|
|
|
#[derive(Debug)]
|
|
pub struct Dom {
|
|
pub(crate) element: Node,
|
|
pub(crate) callbacks: Callbacks,
|
|
}
|
|
|
|
impl Dom {
|
|
#[inline]
|
|
pub fn new(element: Node) -> Self {
|
|
Self {
|
|
element,
|
|
callbacks: Callbacks::new(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn empty() -> Self {
|
|
// TODO is there a better way of doing this ?
|
|
Self::new(js!( return document.createComment(""); ).try_into().unwrap())
|
|
}
|
|
|
|
#[inline]
|
|
pub fn with_state<A, F>(mut state: A, initializer: F) -> Dom
|
|
where A: 'static,
|
|
F: FnOnce(&mut A) -> Dom {
|
|
|
|
let mut dom = initializer(&mut state);
|
|
|
|
dom.callbacks.after_remove(ValueDiscard::new(state));
|
|
|
|
dom
|
|
}
|
|
}
|
|
|
|
|
|
struct EventListenerHandle<A> where A: AsRef<Reference> {
|
|
event: &'static str,
|
|
element: A,
|
|
listener: Value,
|
|
}
|
|
|
|
impl<A> Discard for EventListenerHandle<A> where A: AsRef<Reference> {
|
|
#[inline]
|
|
fn discard(self) {
|
|
js! { @(no_return)
|
|
var listener = @{&self.listener};
|
|
@{self.element.as_ref()}.removeEventListener(@{self.event}, listener);
|
|
listener.drop();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// TODO create HTML / SVG specific versions of this ?
|
|
#[inline]
|
|
pub fn create_element_ns<A: IElement>(name: &str, namespace: &str) -> A
|
|
where <A as TryFrom<Value>>::Error: ::std::fmt::Debug {
|
|
dom_operations::create_element_ns(name, namespace)
|
|
}
|
|
|
|
|
|
fn set_option<A, B, C, D, F>(element: &A, callbacks: &mut Callbacks, value: D, mut f: F)
|
|
where A: Clone + 'static,
|
|
C: OptionStr<Output = B>,
|
|
D: IntoSignal<Item = C>,
|
|
D::Signal: 'static,
|
|
F: FnMut(&A, Option<B>) + 'static {
|
|
|
|
let element = element.clone();
|
|
|
|
let mut is_set = false;
|
|
|
|
callbacks.after_remove(for_each(value.into_signal(), move |value| {
|
|
let value = value.into_option();
|
|
|
|
if value.is_some() {
|
|
is_set = true;
|
|
|
|
} else if is_set {
|
|
is_set = false;
|
|
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
f(&element, value);
|
|
}));
|
|
}
|
|
|
|
fn set_style<A, B, C>(element: &A, name: &B, value: C, important: bool)
|
|
where A: AsRef<Reference>,
|
|
B: MultiStr,
|
|
C: MultiStr {
|
|
|
|
let mut names = vec![];
|
|
let mut values = vec![];
|
|
|
|
let okay = name.any(|name| {
|
|
value.any(|value| {
|
|
if dom_operations::try_set_style(element, name, value, important) {
|
|
true
|
|
|
|
} else {
|
|
names.push(name.to_string());
|
|
values.push(value.to_string());
|
|
false
|
|
}
|
|
})
|
|
});
|
|
|
|
if !okay {
|
|
// TODO maybe make this configurable
|
|
panic!("style is incorrect:\n names: {}\n values: {}", names.join(", "), values.join(", "));
|
|
}
|
|
}
|
|
|
|
fn set_style_signal<A, B, C, D, E>(element: &A, callbacks: &mut Callbacks, name: B, value: E, important: bool)
|
|
where A: AsRef<Reference> + Clone + 'static,
|
|
B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_option(element, callbacks, value, move |element, value| {
|
|
match value {
|
|
Some(value) => {
|
|
set_style(element, &name, value, important);
|
|
},
|
|
None => {
|
|
name.each(|name| {
|
|
dom_operations::remove_style(element, name);
|
|
});
|
|
},
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
pub struct DomBuilder<A> {
|
|
element: A,
|
|
callbacks: Callbacks,
|
|
// TODO verify this with static types instead ?
|
|
has_children: bool,
|
|
}
|
|
|
|
impl<A> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn new(value: A) -> Self {
|
|
Self {
|
|
element: value,
|
|
callbacks: Callbacks::new(),
|
|
has_children: false,
|
|
}
|
|
}
|
|
|
|
// TODO maybe inline this ?
|
|
// TODO replace with element.add_event_listener
|
|
fn _event<B, T, F>(&mut self, element: B, listener: F)
|
|
where B: IEventTarget + 'static,
|
|
T: ConcreteEvent,
|
|
F: FnMut(T) + 'static {
|
|
|
|
let listener = js!(
|
|
var listener = @{listener};
|
|
@{element.as_ref()}.addEventListener(@{T::EVENT_TYPE}, listener);
|
|
return listener;
|
|
);
|
|
|
|
self.callbacks.after_remove(EventListenerHandle {
|
|
event: T::EVENT_TYPE,
|
|
element,
|
|
listener,
|
|
});
|
|
}
|
|
|
|
// TODO add this to the StylesheetBuilder and ClassBuilder too
|
|
#[inline]
|
|
pub fn global_event<T, F>(mut self, listener: F) -> Self
|
|
where T: ConcreteEvent,
|
|
F: FnMut(T) + 'static {
|
|
self._event(window(), listener);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn future<F>(mut self, future: F) -> Self where F: Future<Item = (), Error = Never> + 'static {
|
|
self.callbacks.after_remove(DiscardOnDrop::leak(spawn_future(future)));
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn mixin<B: Mixin<Self>>(self, mixin: B) -> Self {
|
|
mixin.apply(self)
|
|
}
|
|
}
|
|
|
|
impl<A: Clone> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn with_element<B, F>(self, f: F) -> B where F: FnOnce(Self, A) -> B {
|
|
let element = self.element.clone();
|
|
f(self, element)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn before_inserted<F>(self, f: F) -> Self where F: FnOnce(A) {
|
|
let element = self.element.clone();
|
|
f(element);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: Clone + 'static> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn after_inserted<F>(mut self, f: F) -> Self where F: FnOnce(A) + 'static {
|
|
let element = self.element.clone();
|
|
self.callbacks.after_insert(move |_| f(element));
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn after_removed<F>(mut self, f: F) -> Self where F: FnOnce(A) + 'static {
|
|
let element = self.element.clone();
|
|
self.callbacks.after_remove(FnDiscard::new(move || f(element)));
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: Into<Node>> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn into_dom(self) -> Dom {
|
|
Dom {
|
|
element: self.element.into(),
|
|
callbacks: self.callbacks,
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO make this JsSerialize rather than AsRef<Reference> ?
|
|
impl<A: AsRef<Reference>> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn property<B, C>(self, name: B, value: C) -> Self where B: MultiStr, C: JsSerialize {
|
|
name.each(|name| {
|
|
dom_operations::set_property(&self.element, name, &value);
|
|
});
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: AsRef<Reference> + Clone + 'static> DomBuilder<A> {
|
|
fn set_property_signal<B, C, D>(&mut self, name: B, value: D)
|
|
where B: MultiStr + 'static,
|
|
C: JsSerialize,
|
|
D: IntoSignal<Item = C>,
|
|
D::Signal: 'static {
|
|
|
|
let element = self.element.clone();
|
|
|
|
self.callbacks.after_remove(for_each(value.into_signal(), move |value| {
|
|
name.each(|name| {
|
|
dom_operations::set_property(&element, name, &value);
|
|
});
|
|
}));
|
|
}
|
|
|
|
#[inline]
|
|
pub fn property_signal<B, C, D>(mut self, name: B, value: D) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: JsSerialize,
|
|
D: IntoSignal<Item = C>,
|
|
D::Signal: 'static {
|
|
|
|
self.set_property_signal(name, value);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: IEventTarget + Clone + 'static> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn event<T, F>(mut self, listener: F) -> Self
|
|
where T: ConcreteEvent,
|
|
F: FnMut(T) + 'static {
|
|
// TODO is this clone correct ?
|
|
let element = self.element.clone();
|
|
self._event(element, listener);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: INode> DomBuilder<A> {
|
|
// TODO figure out how to make this owned rather than &mut
|
|
#[inline]
|
|
pub fn children<'a, B: IntoIterator<Item = &'a mut Dom>>(mut self, children: B) -> Self {
|
|
assert_eq!(self.has_children, false);
|
|
self.has_children = true;
|
|
|
|
operations::insert_children_iter(&self.element, &mut self.callbacks, children);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: INode + Clone + 'static> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn children_signal_vec<B>(mut self, children: B) -> Self
|
|
where B: IntoSignalVec<Item = Dom>,
|
|
B::SignalVec: 'static {
|
|
|
|
assert_eq!(self.has_children, false);
|
|
self.has_children = true;
|
|
|
|
operations::insert_children_signal_vec(&self.element, &mut self.callbacks, children);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: IElement> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn attribute<B>(self, name: B, value: &str) -> Self where B: MultiStr {
|
|
name.each(|name| {
|
|
dom_operations::set_attribute(&self.element, name, value);
|
|
});
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn attribute_namespace<B>(self, namespace: &str, name: B, value: &str) -> Self where B: MultiStr {
|
|
name.each(|name| {
|
|
dom_operations::set_attribute_ns(&self.element, namespace, name, value);
|
|
});
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn class<B>(self, name: B) -> Self where B: MultiStr {
|
|
name.each(|name| {
|
|
dom_operations::add_class(&self.element, name);
|
|
});
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: IElement + Clone + 'static> DomBuilder<A> {
|
|
fn set_attribute_signal<B, C, D, E>(&mut self, name: B, value: E)
|
|
where B: MultiStr + 'static,
|
|
C: AsStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_option(&self.element, &mut self.callbacks, value, move |element, value| {
|
|
match value {
|
|
Some(value) => {
|
|
let value = value.as_str();
|
|
|
|
name.each(|name| {
|
|
dom_operations::set_attribute(element, &name, value);
|
|
});
|
|
},
|
|
None => {
|
|
name.each(|name| {
|
|
dom_operations::remove_attribute(element, &name)
|
|
});
|
|
},
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
#[inline]
|
|
pub fn attribute_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: AsStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
self.set_attribute_signal(name, value);
|
|
self
|
|
}
|
|
|
|
fn set_attribute_namespace_signal<B, C, D, E>(&mut self, namespace: &str, name: B, value: E)
|
|
where B: MultiStr + 'static,
|
|
C: AsStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
let namespace = namespace.to_owned();
|
|
|
|
set_option(&self.element, &mut self.callbacks, value, move |element, value| {
|
|
match value {
|
|
Some(value) => {
|
|
let value = value.as_str();
|
|
|
|
name.each(|name| {
|
|
dom_operations::set_attribute_ns(element, &namespace, &name, value);
|
|
});
|
|
},
|
|
None => {
|
|
name.each(|name| {
|
|
dom_operations::remove_attribute_ns(element, &namespace, &name);
|
|
});
|
|
},
|
|
}
|
|
});
|
|
}
|
|
|
|
#[inline]
|
|
pub fn attribute_namespace_signal<B, C, D, E>(mut self, namespace: &str, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: AsStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
self.set_attribute_namespace_signal(namespace, name, value);
|
|
self
|
|
}
|
|
|
|
|
|
fn set_class_signal<B, C>(&mut self, name: B, value: C)
|
|
where B: MultiStr + 'static,
|
|
C: IntoSignal<Item = bool>,
|
|
C::Signal: 'static {
|
|
|
|
let element = self.element.clone();
|
|
|
|
let mut is_set = false;
|
|
|
|
self.callbacks.after_remove(for_each(value.into_signal(), move |value| {
|
|
if value {
|
|
if !is_set {
|
|
is_set = true;
|
|
|
|
name.each(|name| {
|
|
dom_operations::add_class(&element, name);
|
|
});
|
|
}
|
|
|
|
} else {
|
|
if is_set {
|
|
is_set = false;
|
|
|
|
name.each(|name| {
|
|
dom_operations::remove_class(&element, name);
|
|
});
|
|
}
|
|
}
|
|
}));
|
|
}
|
|
|
|
#[inline]
|
|
pub fn class_signal<B, C>(mut self, name: B, value: C) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: IntoSignal<Item = bool>,
|
|
C::Signal: 'static {
|
|
|
|
self.set_class_signal(name, value);
|
|
self
|
|
}
|
|
|
|
|
|
// TODO use OptionStr ?
|
|
fn set_scroll_signal<B, F>(&mut self, signal: B, mut f: F)
|
|
where B: IntoSignal<Item = Option<f64>>,
|
|
B::Signal: 'static,
|
|
F: FnMut(&A, f64) + 'static {
|
|
|
|
let element = self.element.clone();
|
|
|
|
let signal = signal.into_signal();
|
|
|
|
// This needs to use `after_insert` because scrolling an element before it is in the DOM has no effect
|
|
self.callbacks.after_insert(move |callbacks| {
|
|
callbacks.after_remove(for_each(signal, move |value| {
|
|
if let Some(value) = value {
|
|
f(&element, value);
|
|
}
|
|
}));
|
|
});
|
|
}
|
|
|
|
#[inline]
|
|
pub fn scroll_left_signal<B>(mut self, signal: B) -> Self where B: IntoSignal<Item = Option<f64>>, B::Signal: 'static {
|
|
self.set_scroll_signal(signal, IElement::set_scroll_left);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn scroll_top_signal<B>(mut self, signal: B) -> Self where B: IntoSignal<Item = Option<f64>>, B::Signal: 'static {
|
|
self.set_scroll_signal(signal, IElement::set_scroll_top);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: IHtmlElement> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn style<B, C>(self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
set_style(&self.element, &name, value, false);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important<B, C>(self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
set_style(&self.element, &name, value, true);
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<A: IHtmlElement + Clone + 'static> DomBuilder<A> {
|
|
#[inline]
|
|
pub fn style_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_style_signal(&self.element, &mut self.callbacks, name, value, false);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_style_signal(&self.element, &mut self.callbacks, name, value, true);
|
|
self
|
|
}
|
|
|
|
|
|
// TODO remove the `value` argument ?
|
|
#[inline]
|
|
pub fn focused(mut self, value: bool) -> Self {
|
|
let element = self.element.clone();
|
|
|
|
// This needs to use `after_insert` because calling `.focus()` on an element before it is in the DOM has no effect
|
|
self.callbacks.after_insert(move |_| {
|
|
// TODO avoid updating if the focused state hasn't changed ?
|
|
dom_operations::set_focused(&element, value);
|
|
});
|
|
|
|
self
|
|
}
|
|
|
|
|
|
fn set_focused_signal<B>(&mut self, value: B)
|
|
where B: IntoSignal<Item = bool>,
|
|
B::Signal: 'static {
|
|
|
|
let element = self.element.clone();
|
|
|
|
let value = value.into_signal();
|
|
|
|
// This needs to use `after_insert` because calling `.focus()` on an element before it is in the DOM has no effect
|
|
self.callbacks.after_insert(move |callbacks| {
|
|
// TODO verify that this is correct under all circumstances
|
|
callbacks.after_remove(for_each(value, move |value| {
|
|
// TODO avoid updating if the focused state hasn't changed ?
|
|
dom_operations::set_focused(&element, value);
|
|
}));
|
|
});
|
|
}
|
|
|
|
#[inline]
|
|
pub fn focused_signal<B>(mut self, value: B) -> Self
|
|
where B: IntoSignal<Item = bool>,
|
|
B::Signal: 'static {
|
|
|
|
self.set_focused_signal(value);
|
|
self
|
|
}
|
|
}
|
|
|
|
|
|
// TODO better warning message for must_use
|
|
#[must_use]
|
|
pub struct StylesheetBuilder {
|
|
element: CssStyleRule,
|
|
callbacks: Callbacks,
|
|
}
|
|
|
|
// TODO remove the CssStyleRule when this is discarded
|
|
impl StylesheetBuilder {
|
|
#[inline]
|
|
pub fn new(selector: &str) -> Self {
|
|
lazy_static! {
|
|
// TODO better static type for this
|
|
static ref STYLESHEET: Reference = js!(
|
|
// TODO use createElementNS ?
|
|
var e = document.createElement("style");
|
|
e.type = "text/css";
|
|
document.head.appendChild(e);
|
|
return e.sheet;
|
|
).try_into().unwrap();
|
|
}
|
|
|
|
Self {
|
|
element: js!(
|
|
var stylesheet = @{&*STYLESHEET};
|
|
var length = stylesheet.cssRules.length;
|
|
stylesheet.insertRule(@{selector} + "{}", length);
|
|
return stylesheet.cssRules[length];
|
|
).try_into().unwrap(),
|
|
callbacks: Callbacks::new(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style<B, C>(self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
set_style(&self.element, &name, value, false);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important<B, C>(self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
set_style(&self.element, &name, value, true);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_style_signal(&self.element, &mut self.callbacks, name, value, false);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
set_style_signal(&self.element, &mut self.callbacks, name, value, true);
|
|
self
|
|
}
|
|
|
|
// TODO return a Handle
|
|
#[inline]
|
|
pub fn done(mut self) {
|
|
self.callbacks.trigger_after_insert();
|
|
|
|
// This prevents it from triggering after_remove
|
|
self.callbacks.leak();
|
|
}
|
|
}
|
|
|
|
|
|
// TODO better warning message for must_use
|
|
#[must_use]
|
|
pub struct ClassBuilder {
|
|
stylesheet: StylesheetBuilder,
|
|
class_name: String,
|
|
}
|
|
|
|
impl ClassBuilder {
|
|
#[inline]
|
|
pub fn new() -> Self {
|
|
let class_name = {
|
|
use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
|
|
|
|
// TODO replace this with a global counter in JavaScript ?
|
|
lazy_static! {
|
|
// TODO can this be made more efficient ?
|
|
// TODO use AtomicU32 instead ?
|
|
static ref CLASS_ID: AtomicUsize = ATOMIC_USIZE_INIT;
|
|
}
|
|
|
|
// TODO check for overflow ?
|
|
let id = CLASS_ID.fetch_add(1, Ordering::Relaxed);
|
|
|
|
// TODO make this more efficient ?
|
|
format!("__class_{}__", id)
|
|
};
|
|
|
|
Self {
|
|
// TODO make this more efficient ?
|
|
stylesheet: StylesheetBuilder::new(&format!(".{}", class_name)),
|
|
class_name,
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style<B, C>(mut self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
self.stylesheet = self.stylesheet.style(name, value);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important<B, C>(mut self, name: B, value: C) -> Self
|
|
where B: MultiStr,
|
|
C: MultiStr {
|
|
self.stylesheet = self.stylesheet.style_important(name, value);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
self.stylesheet = self.stylesheet.style_signal(name, value);
|
|
self
|
|
}
|
|
|
|
#[inline]
|
|
pub fn style_important_signal<B, C, D, E>(mut self, name: B, value: E) -> Self
|
|
where B: MultiStr + 'static,
|
|
C: MultiStr,
|
|
D: OptionStr<Output = C>,
|
|
E: IntoSignal<Item = D>,
|
|
E::Signal: 'static {
|
|
|
|
self.stylesheet = self.stylesheet.style_important_signal(name, value);
|
|
self
|
|
}
|
|
|
|
// TODO return a Handle ?
|
|
#[inline]
|
|
pub fn done(self) -> String {
|
|
self.stylesheet.done();
|
|
self.class_name
|
|
}
|
|
}
|
|
|
|
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::{create_element_ns, DomBuilder, HTML_NAMESPACE, text_signal, RefFn};
|
|
use futures_signals::signal::{always, SignalExt};
|
|
use stdweb::web::{HtmlElement, IHtmlElement};
|
|
|
|
#[test]
|
|
fn mixin() {
|
|
let a: DomBuilder<HtmlElement> = DomBuilder::new(create_element_ns("div", HTML_NAMESPACE));
|
|
|
|
fn my_mixin<A: IHtmlElement>(builder: DomBuilder<A>) -> DomBuilder<A> {
|
|
builder.style("foo", "bar")
|
|
}
|
|
|
|
a.mixin(my_mixin);
|
|
}
|
|
|
|
#[test]
|
|
fn text_signal_types() {
|
|
text_signal(always("foo"));
|
|
text_signal(always("foo".to_owned()));
|
|
text_signal(always("foo".to_owned()).map(|x| RefFn::new(x, |x| x.as_str())));
|
|
//text_signal(always(Arc::new("foo")));
|
|
//text_signal(always(Arc::new("foo".to_owned())));
|
|
//text_signal(always(Rc::new("foo")));
|
|
//text_signal(always(Rc::new("foo".to_owned())));
|
|
//text_signal(always(Box::new("foo")));
|
|
//text_signal(always(Box::new("foo".to_owned())));
|
|
//text_signal(always(Cow::Borrowed(&"foo")));
|
|
//text_signal(always(Cow::Owned::<String>("foo".to_owned())));
|
|
}
|
|
|
|
#[test]
|
|
fn property_signal_types() {
|
|
let _a: DomBuilder<HtmlElement> = DomBuilder::new(create_element_ns("div", HTML_NAMESPACE))
|
|
.property("foo", "hi")
|
|
.property("foo", 5)
|
|
.property(["foo", "-webkit-foo", "-ms-foo"], "hi")
|
|
|
|
.property_signal("foo", always("hi"))
|
|
.property_signal("foo", always(5))
|
|
.property_signal("foo", always(Some("hi")))
|
|
|
|
.property_signal(["foo", "-webkit-foo", "-ms-foo"], always("hi"))
|
|
.property_signal(["foo", "-webkit-foo", "-ms-foo"], always(5))
|
|
.property_signal(["foo", "-webkit-foo", "-ms-foo"], always(Some("hi")))
|
|
;
|
|
}
|
|
|
|
#[test]
|
|
fn attribute_signal_types() {
|
|
let _a: DomBuilder<HtmlElement> = DomBuilder::new(create_element_ns("div", HTML_NAMESPACE))
|
|
.attribute("foo", "hi")
|
|
.attribute(["foo", "-webkit-foo", "-ms-foo"], "hi")
|
|
|
|
.attribute_signal("foo", always("hi"))
|
|
.attribute_signal("foo", always(Some("hi")))
|
|
|
|
.attribute_signal(["foo", "-webkit-foo", "-ms-foo"], always("hi"))
|
|
.attribute_signal(["foo", "-webkit-foo", "-ms-foo"], always(Some("hi")))
|
|
;
|
|
}
|
|
|
|
#[test]
|
|
fn class_signal_types() {
|
|
let _a: DomBuilder<HtmlElement> = DomBuilder::new(create_element_ns("div", HTML_NAMESPACE))
|
|
.class("foo")
|
|
.class(["foo", "-webkit-foo", "-ms-foo"])
|
|
|
|
.class_signal("foo", always(true))
|
|
.class_signal(["foo", "-webkit-foo", "-ms-foo"], always(true))
|
|
;
|
|
}
|
|
|
|
#[test]
|
|
fn style_signal_types() {
|
|
lazy_static! {
|
|
static ref FOO: String = "foo".to_owned();
|
|
}
|
|
|
|
let _a: DomBuilder<HtmlElement> = DomBuilder::new(create_element_ns("div", HTML_NAMESPACE))
|
|
.style_signal("foo", always("bar"))
|
|
.style_signal("foo", always("bar".to_owned()))
|
|
.style_signal("foo", always("bar".to_owned()).map(|x| RefFn::new(x, |x| x.as_str())))
|
|
|
|
.style("foo".to_owned(), "bar".to_owned())
|
|
.style_signal("foo".to_owned(), always("bar".to_owned()))
|
|
|
|
.style(&"foo".to_owned(), &"bar".to_owned())
|
|
.style(Box::new("foo".to_owned()), Box::new("bar".to_owned()))
|
|
|
|
.style_signal(&*FOO, always(&*FOO))
|
|
.style_signal(Box::new("foo".to_owned()), always(Box::new("bar".to_owned())))
|
|
|
|
.style(vec!["-moz-foo", "-webkit-foo", "foo"].as_slice(), vec!["bar"].as_slice())
|
|
.style_signal(RefFn::new(vec!["-moz-foo", "-webkit-foo", "foo"], |x| x.as_slice()), always(RefFn::new(vec!["bar"], |x| x.as_slice())))
|
|
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always("bar"))
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always("bar".to_owned()))
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always("bar".to_owned()).map(|x| RefFn::new(x, |x| x.as_str())))
|
|
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(["bar", "qux"]))
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(["bar".to_owned(), "qux".to_owned()]))
|
|
|
|
//.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(AsSlice::new(["foo", "bar"])))
|
|
//.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(("bar".to_owned(), "qux".to_owned())).map(|x| RefFn::new(x, |x| AsSlice::new([x.0.as_str(), x.1.as_str()]))))
|
|
|
|
.style_signal("foo", always(Some("bar")))
|
|
.style_signal("foo", always(Some("bar".to_owned())))
|
|
.style_signal("foo", always("bar".to_owned()).map(|x| Some(RefFn::new(x, |x| x.as_str()))))
|
|
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(Some("bar")))
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always(Some("bar".to_owned())))
|
|
.style_signal(["-moz-foo", "-webkit-foo", "foo"], always("bar".to_owned()).map(|x| Some(RefFn::new(x, |x| x.as_str()))))
|
|
|
|
;
|
|
}
|
|
}
|