2019-09-01 19:24:04 +00:00
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//! Navigator backend for web
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2019-11-09 02:10:21 +00:00
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use js_sys::{ArrayBuffer, Uint8Array};
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2019-11-07 19:34:38 +00:00
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use ruffle_core::backend::navigator::{Error, NavigationMethod, NavigatorBackend};
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2019-09-01 19:24:04 +00:00
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use std::collections::HashMap;
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2019-11-07 19:34:38 +00:00
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use std::future::Future;
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2019-11-10 02:19:49 +00:00
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use std::pin::Pin;
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2019-09-04 02:15:03 +00:00
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use wasm_bindgen::JsCast;
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2019-11-09 02:10:21 +00:00
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use wasm_bindgen_futures::{spawn_local, JsFuture};
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use web_sys::{window, Response};
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2019-09-01 19:24:04 +00:00
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2019-09-17 03:37:11 +00:00
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pub struct WebNavigatorBackend {}
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2019-09-01 19:24:04 +00:00
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impl WebNavigatorBackend {
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pub fn new() -> Self {
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2019-09-17 03:37:11 +00:00
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WebNavigatorBackend {}
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2019-09-01 19:24:04 +00:00
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}
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}
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impl NavigatorBackend for WebNavigatorBackend {
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2019-09-17 03:37:11 +00:00
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fn navigate_to_url(
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&self,
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url: String,
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window_spec: Option<String>,
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vars_method: Option<(NavigationMethod, HashMap<String, String>)>,
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) {
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2019-09-01 19:24:04 +00:00
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if let Some(window) = window() {
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2019-09-02 20:23:10 +00:00
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//TODO: Should we return a result for failed opens? Does Flash care?
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#[allow(unused_must_use)]
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2019-09-04 02:15:03 +00:00
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match (vars_method, window_spec) {
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(Some((navmethod, formvars)), window_spec) => {
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let document = match window.document() {
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Some(document) => document,
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2019-09-17 03:37:11 +00:00
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None => return,
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2019-09-04 02:15:03 +00:00
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};
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2019-09-17 03:37:11 +00:00
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let form = document
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.create_element("form")
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.unwrap()
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.dyn_into::<web_sys::HtmlFormElement>()
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.unwrap();
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2019-09-04 02:15:03 +00:00
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2019-09-17 03:37:11 +00:00
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form.set_attribute(
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"method",
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match navmethod {
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NavigationMethod::GET => "get",
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NavigationMethod::POST => "post",
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},
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);
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2019-09-04 02:15:03 +00:00
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form.set_attribute("action", &url);
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if let Some(target) = window_spec {
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form.set_attribute("target", &target);
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}
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for (k, v) in formvars.iter() {
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let hidden = document.create_element("hidden").unwrap();
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hidden.set_attribute("type", "hidden");
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hidden.set_attribute("name", k);
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hidden.set_attribute("value", v);
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form.append_child(&hidden);
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}
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document.body().unwrap().append_child(&form);
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form.submit();
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2019-09-17 03:37:11 +00:00
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}
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(_, Some(ref window_name)) if window_name != "" => {
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window.open_with_url_and_target(&url, window_name);
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}
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_ => {
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window.location().assign(&url);
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}
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2019-09-02 20:23:10 +00:00
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};
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2019-09-01 19:24:04 +00:00
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}
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}
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2019-11-07 19:34:38 +00:00
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2019-11-09 02:10:21 +00:00
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fn fetch(&self, url: String) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, Error>>>> {
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Box::pin(async move {
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let window = web_sys::window().unwrap();
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let fetchval = JsFuture::from(window.fetch_with_str(&url)).await;
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if fetchval.is_err() {
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return Err("Could not fetch, got JS Error".into());
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}
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let resp: Response = fetchval.unwrap().dyn_into().unwrap();
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let data: ArrayBuffer = JsFuture::from(resp.array_buffer().unwrap())
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.await
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.unwrap()
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.dyn_into()
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.unwrap();
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let jsarray = Uint8Array::new(&data);
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let mut rust_array = vec![0; jsarray.length() as usize];
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jsarray.copy_to(&mut rust_array);
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Ok(rust_array)
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})
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2019-11-07 19:34:38 +00:00
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}
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2019-11-14 19:52:13 +00:00
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fn spawn_future(&mut self, future: Pin<Box<dyn Future<Output = Result<(), Error>> + 'static>>) {
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spawn_local(async move {
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if let Err(e) = future.await {
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log::error!("Asynchronous error occured: {}", e);
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}
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})
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2019-11-07 19:34:38 +00:00
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}
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2019-09-17 03:37:11 +00:00
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}
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