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Some refactoring; also fix anchor links

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This commit is contained in:
Adrian Vollmer 2022-10-11 14:08:20 +02:00
parent 2bdf43629d
commit d4978d55de
2 changed files with 61 additions and 46 deletions
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5
zundler/assets/init.js
View File

@ -137,12 +137,15 @@ window.onload = function() {
evnt.data.argument.anchor,
);
if (!loaded) {
console.log(loaded);
hide_loading_indictator();
}
} else if (evnt.data.action == 'show_iframe') {
// iframe finished fixing the document and is ready to be shown;
hide_loading_indictator();
var iframe = document.getElementById(iFrameId);
iframe.contentWindow.postMessage({
action: "scroll_to_anchor",
}, "*");
}
}, false);

102
zundler/assets/inject.js
View File

@ -192,33 +192,33 @@ var fix_document = function() {
};
// Set up message listener
window.addEventListener("message", (evnt) => {
console.log("Received message in iframe", evnt);
if (evnt.data.action == 'set_data') {
window.global_context = evnt.data.argument;
console.log("Received data from parent", window.global_context);
// dynamically fix elements on this page
try {
fix_document();
// Trigger DOMContentLoaded again, some scripts that have just
// been executed expect it.
window.document.dispatchEvent(new Event("DOMContentLoaded", {
bubbles: true,
cancelable: true
}));
} finally {
observer.observe(window.document.body, {subtree: true, childList: true});
window.parent.postMessage({
action: "show_iframe",
argument: "",
}, '*');
}
if (window.global_context.anchor) {
document.location.href = "about:srcdoc#" + window.global_context.anchor;
}
var on_set_data = function(argument) {
window.global_context = argument;
console.log("Received data from parent", window.global_context);
// dynamically fix elements on this page
try {
fix_document();
// Trigger DOMContentLoaded again, some scripts that have just
// been executed expect it.
window.document.dispatchEvent(new Event("DOMContentLoaded", {
bubbles: true,
cancelable: true
}));
} finally {
observer.observe(window.document.body, {subtree: true, childList: true});
window.parent.postMessage({
action: "show_iframe",
argument: "",
}, '*');
}
}, false);
}
var on_scroll_to_anchor = function(argument) {
if (window.global_context.anchor) {
document.location.href = "about:srcdoc#" + window.global_context.anchor;
}
}
const observer = new MutationObserver((mutationList) => {
@ -239,25 +239,6 @@ const observer = new MutationObserver((mutationList) => {
});
var main = function() {
// Set parent window title and trigger data transmission
var favicon = window.document.querySelector("link[rel*='icon']");
if (favicon) { favicon = favicon.getAttribute('href'); }
var title = window.document.querySelector('head>title');
if (title) { title = title.innerText; }
window.parent.postMessage({
action: "set_title",
argument: {
title: title,
favicon: favicon
}
}, '*');
};
window.addEventListener('load', main);
var monkey_patch = function() {
if (typeof jQuery === 'undefined') {return;} // Only for jQuery at the moment
/**
@ -295,4 +276,35 @@ var monkey_patch = function() {
}
var on_load = function() {
// Set up message listener
window.addEventListener("message", (evnt) => {
console.log("Received message in iframe", evnt);
if (evnt.data.action == 'set_data') {
on_set_data(evnt.data.argument);
} else if (evnt.data.action == 'scroll_to_anchor') {
on_scroll_to_anchor(evnt.data.argument);
}
}, false);
// Set parent window title and trigger data transmission
var favicon = window.document.querySelector("link[rel*='icon']");
if (favicon) { favicon = favicon.getAttribute('href'); }
var title = window.document.querySelector('head>title');
if (title) { title = title.innerText; }
window.parent.postMessage({
action: "set_title",
argument: {
title: title,
favicon: favicon
}
}, '*');
};
window.addEventListener('load', on_load);
//# inject.js