eiac/xterm.js
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pare down some changes

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This commit is contained in:
Felipe Gasper
2017-10-27 17:54:36 -05:00
parent 1586363b2e
commit 5c81fe6cdc
4 changed files with 25 additions and 224 deletions
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demo/main.js
+23 -178
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@@ -114,165 +114,40 @@ function createTerminal() {
term.zmodemAttach(socket);
term.on("zmodemRetract", () => {
start_form.style.display = "none";
start_form.onsubmit = null;
});
term.on("zmodemDetect", (detection) => {
function do_zmodem() {
term.detach();
let zsession = detection.confirm();
term.detach();
let zsession = detection.confirm();
var promise;
var promise;
if (zsession.type === "receive") {
promise = _handle_receive_session(zsession);
}
else {
promise = _handle_send_session(zsession);
}
promise.catch( console.error.bind(console) ).then( () => {
term.attach(socket);
} );
}
if (_auto_zmodem()) {
do_zmodem();
if (zsession.type === "receive") {
promise = zmodemHandleReceiveSession(zsession);
}
else {
start_form.style.display = "";
start_form.onsubmit = function(e) {
start_form.style.display = "none";
if (document.getElementById("zmstart_yes").checked) {
do_zmodem();
}
else {
detection.deny();
}
};
promise = zmodemHandleSendSession(zsession);
}
promise.catch( console.error.bind(console) ).then( () => {
term.attach(socket);
} );
});
});
});
}, 0);
}
//----------------------------------------------------------------------
// UI STUFF
function _show_file_info(xfer) {
var file_info = xfer.get_details();
document.getElementById("name").textContent = file_info.name;
document.getElementById("size").textContent = file_info.size;
document.getElementById("mtime").textContent = file_info.mtime;
document.getElementById("files_remaining").textContent = file_info.files_remaining;
document.getElementById("bytes_remaining").textContent = file_info.bytes_remaining;
document.getElementById("mode").textContent = "0" + file_info.mode.toString(8);
var xfer_opts = xfer.get_options();
["conversion", "management", "transport", "sparse"].forEach( (lbl) => {
document.getElementById(`zfile_${lbl}`).textContent = xfer_opts[lbl];
} );
document.getElementById("zm_file").style.display = "";
}
function _hide_file_info() {
document.getElementById("zm_file").style.display = "none";
}
function _save_to_disk(xfer, buffer) {
return Zmodem.Browser.save_to_disk(buffer, xfer.get_details().name);
}
var skipper_button = document.getElementById("zm_progress_skipper");
var skipper_button_orig_text = skipper_button.textContent;
function _show_progress() {
skipper_button.disabled = false;
skipper_button.textContent = skipper_button_orig_text;
document.getElementById("bytes_received").textContent = 0;
document.getElementById("percent_received").textContent = 0;
document.getElementById("zm_progress").style.display = "";
}
function _update_progress(xfer) {
var total_in = xfer.get_offset();
document.getElementById("bytes_received").textContent = total_in;
var percent_received = 100 * total_in / xfer.get_details().size;
document.getElementById("percent_received").textContent = percent_received.toFixed(2);
}
function _hide_progress() {
document.getElementById("zm_progress").style.display = "none";
}
var start_form = document.getElementById("zm_start");
function _auto_zmodem() {
return document.getElementById("zmodem-auto").checked;
}
// END UI STUFF
//----------------------------------------------------------------------
function _handle_receive_session(zsession) {
function zmodemHandleReceiveSession(zsession) {
zsession.on("offer", function(xfer) {
current_receive_xfer = xfer;
_show_file_info(xfer);
var offer_form = document.getElementById("zm_offer");
function on_form_submit() {
offer_form.style.display = "none";
//START
//if (offer_form.zmaccept.value) {
if (_auto_zmodem() || document.getElementById("zmaccept_yes").checked) {
_show_progress();
var FILE_BUFFER = [];
xfer.on("input", (payload) => {
_update_progress(xfer);
FILE_BUFFER.push( new Uint8Array(payload) );
});
xfer.accept().then(
() => {
_save_to_disk(xfer, FILE_BUFFER);
},
console.error.bind(console)
);
}
else {
xfer.skip();
}
//END
}
if (_auto_zmodem()) {
on_form_submit();
}
else {
offer_form.onsubmit = on_form_submit;
offer_form.style.display = "";
}
xfer.accept().then(
(inputs) => {
Zmodem.Browser.save_to_disk(inputs, xfer.get_details().name);
},
console.error.bind(console)
);
} );
var promise = new Promise( (res) => {
zsession.on("session_end", () => {
_hide_file_info();
_hide_progress();
res();
} );
zsession.on("session_end", res);
} );
zsession.start();
@@ -280,11 +155,11 @@ function _handle_receive_session(zsession) {
return promise;
}
function _handle_send_session(zsession) {
function zmodemHandleSendSession(zsession) {
var choose_form = document.getElementById("zm_choose");
choose_form.style.display = "";
var promise = new Promise( (res) => {
return new Promise( (res) => {
choose_form.onsubmit = function(e) {
choose_form.style.display = "none";
@@ -293,43 +168,13 @@ function _handle_send_session(zsession) {
Zmodem.Browser.send_files(
zsession,
files_obj,
{
on_offer_response(obj, xfer) {
if (xfer) _show_progress();
//console.log("offer", xfer ? "accepted" : "skipped");
},
on_progress(obj, xfer) {
_update_progress(xfer);
},
on_file_complete(obj) {
//console.log("COMPLETE", obj);
_hide_progress();
},
}
).then(_hide_progress).then(
files_obj
).then(
zsession.close.bind(zsession),
console.error.bind(console)
).then( () => {
_hide_file_info();
_hide_progress();
res();
} );
).then(res);
};
} );
return promise;
}
//This is here to allow canceling of an in-progress ZMODEM transfer.
var current_receive_xfer;
//Called from HTML directly.
function skip_current_file() {
current_receive_xfer.skip();
skipper_button.disabled = true;
skipper_button.textContent = "Waiting for server to acknowledge skip …";
}
function runRealTerminal() {