gecko/browser/devtools/styleeditor/test/browser_styleeditor_filesave.js

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/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const TESTCASE_URI_HTML = TEST_BASE + "simple.html";
const TESTCASE_URI_CSS = TEST_BASE + "simple.css";
const Cc = Components.classes;
const Ci = Components.interfaces;
let tempScope = {};
Components.utils.import("resource://gre/modules/FileUtils.jsm", tempScope);
Components.utils.import("resource://gre/modules/NetUtil.jsm", tempScope);
let FileUtils = tempScope.FileUtils;
let NetUtil = tempScope.NetUtil;
function test()
{
waitForExplicitFinish();
copy(TESTCASE_URI_HTML, "simple.html", function(htmlFile) {
copy(TESTCASE_URI_CSS, "simple.css", function(cssFile) {
addTabAndLaunchStyleEditorChromeWhenLoaded(function (aChrome) {
aChrome.addChromeListener({
onEditorAdded: function (aChrome, aEditor) {
if (aEditor.styleSheetIndex != 0) {
return; // we want to test against the first stylesheet
}
if (aEditor.sourceEditor) {
run(aEditor); // already attached to input element
} else {
aEditor.addActionListener({
onAttach: run
});
}
}
});
});
let uri = Services.io.newFileURI(htmlFile);
let filePath = uri.resolve("");
content.location = filePath;
});
});
}
function run(aEditor)
{
aEditor.saveToFile(null, function (aFile) {
ok(aFile, "file should get saved directly when using a file:// URI");
gChromeWindow.close();
finish();
});
}
function copy(aSrcChromeURL, aDestFileName, aCallback)
{
let destFile = FileUtils.getFile("ProfD", [aDestFileName]);
write(read(aSrcChromeURL), destFile, aCallback);
}
function read(aSrcChromeURL)
{
let scriptableStream = Cc["@mozilla.org/scriptableinputstream;1"]
.getService(Ci.nsIScriptableInputStream);
let channel = Services.io.newChannel(aSrcChromeURL, null, null);
let input = channel.open();
scriptableStream.init(input);
let data = scriptableStream.read(input.available());
scriptableStream.close();
input.close();
return data;
}
function write(aData, aFile, aCallback)
{
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
.createInstance(Ci.nsIScriptableUnicodeConverter);
converter.charset = "UTF-8";
let istream = converter.convertToInputStream(aData);
let ostream = FileUtils.openSafeFileOutputStream(aFile);
NetUtil.asyncCopy(istream, ostream, function(status) {
if (!Components.isSuccessCode(status)) {
info("Coudln't write to " + aFile.path);
return;
}
aCallback(aFile);
});
}