cory/tildefriends
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Auto-scroll containing terminal if an iframe resizes. Other oEmbed tweaks.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3336 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2016-09-18 12:56:31 +00:00
parent a5def62efa
commit 475da6dbf2
2 changed files with 30 additions and 8 deletions
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7
core/client.js
View File

@ -527,6 +527,13 @@ function onMessage(event) {
var iframe = document.getElementById("iframe_" + event.data.name);
iframe.setAttribute("width", event.data.width);
iframe.setAttribute("height", event.data.height);
var node = iframe.parentElement;
while (node && !node.classList.contains("terminal")) {
node = node.parentElement;
}
if (node) {
autoScroll(node);
}
} else {
send({event: "onWindowMessage", message: event.data});
}

31
packages/cory/libunfurl/libunfurl.js
View File

@ -6,6 +6,7 @@ let libxml = require("libxml");
let libhttp = require("libhttp");
let gEmbedIndex = 0;
let gCache = {};
async function unfurl(url) {
let result = {href: url};
@ -26,10 +27,8 @@ async function unfurl(url) {
result = [{href: url}, "\n", {
name: "oEmbed" + gEmbedIndex,
iframe: `
<span style="border: 0; padding: 0; margin: 0; overflow: hidden">
${oEmbed.html}
</span>
<script language="javascript">
<style type="text/css">border: 0; padding: 0; margin: 0; overflow: hidden</style>
${oEmbed.html}<script language="javascript">
let gResizeMeMessage = {
event: "resizeMe",
name: "oEmbed${gEmbedIndex}",
@ -44,8 +43,7 @@ async function unfurl(url) {
parent.postMessage(gResizeMeMessage, "*");
}
}, 100);
</script>
`,
</script>`,
width: oEmbed.width || 320,
height: oEmbed.height || 120,
style: "margin: 0; padding: 0; border: 0; overflow: hidden",
@ -62,6 +60,23 @@ async function test() {
//test().catch(terminal.print);
core.register("onMessage", function(sender, message) {
return unfurl(message).catch(error => [message, "(error retrieving: ", error, ")"]);
core.register("onMessage", async function(sender, message) {
let result = message;
if (gCache[message] && new Date().valueOf() < gCache[message].expires) {
result = gCache[message].result;
} else {
if (gCache[message]) {
print("Didn't use", gCache[message]);
}
try {
result = await unfurl(message);
} catch (error) {
result = [message, "(error retrieving: ", error, ")"];
}
gCache[message] = {
expires: new Date().valueOf() + 7 * 24 * 60 * 60 * 1000,
result: result,
};
}
return result;
});