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Clean up file downloading.

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This commit is contained in:
Paul Chote
2010-11-25 11:24:10 +13:00
parent 2fc88e439d
commit 6f66a19b18
6 changed files with 109 additions and 82 deletions
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83
mods/cnc/mod.html
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@@ -102,9 +102,8 @@
function download()
{
window.external.downloadToCache("http://localhost/~paul/cnc-packages.zip","cnc-packages.zip","cnc-packages");
document.getElementById("install-download").style.display = "none";
document.getElementById("install-downloading").style.display = "";
window.external.startDownload("cnc-packages");
refreshDownloadButtons();
}
function cancel()
@@ -120,8 +119,15 @@
}
function onLoad()
{
refreshSections();
}
function refreshSections()
{
var installed = packagesInstalled();
window.external.log("installed: "+installed);
document.getElementById("buttons-install").style.display = (installed == 0) ? "" : "none";
document.getElementById("buttons-upgrade").style.display = (installed == 1) ? "" : "none";
document.getElementById("buttons-play").style.display = (installed == 2) ? "" : "none";
@@ -130,10 +136,39 @@
// Select the correct subsection
if (installed == 0)
{
var downloaded = window.external.existsInCache("cnc-packages.zip");
window.external.log("downloaded: "+downloaded);
document.getElementById("install-extract").style.display = downloaded ? "" : "none";
document.getElementById("install-download").style.display = !downloaded ? "" : "none";
window.external.registerDownload("cnc-packages", "http://localhost/~paul/cnc-packages.zip", "cnc-packages.zip");
refreshDownloadButtons();
}
}
function refreshDownloadButtons()
{
document.getElementById("download-available").style.display = "none";
document.getElementById("download-downloading").style.display = "none";
document.getElementById("download-extract").style.display = "none";
// status can be NOT_REGISTERED, AVAILABLE, DOWNLOADING, COMPLETE, ERROR
var status = window.external.downloadStatus("cnc-packages");
window.external.log("status: "+status);
// Download complete, offer button to extract it
if (status == "COMPLETE")
{
document.getElementById("download-extract").style.display = "";
}
// Show the download progress
else if (status == "DOWNLOADING")
{
document.getElementById("download-downloading").style.display = "";
}
// Show the download button
else if (status == "AVAILABLE" || status == "ERROR")
{
document.getElementById("download-available").style.display = "";
// Todo: set error message
}
}
@@ -142,29 +177,19 @@
if (file != "cnc-packages")
return;
var status = window.external.downloadStatus(file);
if (status == "Complete")
{
document.getElementById("install-extract").style.display = "";
document.getElementById("install-downloading").style.display = "none";
}
var total = window.external.bytesTotal(file);
var downloaded = window.external.bytesCompleted(file);
window.external.log(file+" = total: "+total+" downloaded: "+downloaded);
if (downloaded == -1)
return;
var multiplier = 1/1024.0;
var unit = "kB";
var max = max(total,downloaded); // total may be -1 if the server doesn't supply a size
if (max > 1.1*1024*1024)
{
multiplier /= 1024;
unit = "MB";
}
var multiplier = 1/1048576.0;
total = (total*multiplier).toPrecision(2);
downloaded = (downloaded*multiplier).toPrecision(2);
document.getElementById("download-status").value = downloaded+"/"+total+" "+unit;
window.external.log("file: "+file+" "+downloaded+"/"+total+" ("+percent+"%)");
document.getElementById("download-status").value = downloaded+"/"+total+" MB";
refreshDownloadButtons();
}
</script>
@@ -186,19 +211,19 @@
</ul>
</div>
</div -->
<div id="buttons-install" class="buttons">
<div id="buttons-install" class="buttons" style="display:none">
<div class="desc">The original game data is required before you can play this mod.<br />
Installing from web will install the minimal files required to play.
</div>
<div id="install-download">
<div id="download-available" style="display:none">
<input type="button" class="button" onclick="download();" value="Download" />
</div>
<div id="install-downloading" style="display:none">
<div id="download-downloading" style="display:none">
<input type="button" class="button" id="download-status" value="Initializing..." />
<input type="button" class="button" onclick="cancel();" value="Cancel" />
</div>
<div id="install-extract">
<input type="button" class="button" onclick="install();" value="Install" />
<div id="download-extract" style="display:none">
<input type="button" class="button" onclick="extract();" value="Install" />
</div>
</div>
<div id="buttons-upgrade" class="buttons" style="display:none">