gecko/toolkit/components/printing/content/printPreviewProgress.js

156 lines
4.4 KiB
JavaScript

// -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// dialog is just an array we'll use to store various properties from the dialog document...
var dialog;
// the printProgress is a nsIPrintProgress object
var printProgress = null;
// random global variables...
var targetFile;
var docTitle = "";
var docURL = "";
var progressParams = null;
function ellipseString(aStr, doFront)
{
if (aStr.length > 3 && (aStr.substr(0, 3) == "..." || aStr.substr(aStr.length-4, 3) == "..."))
return aStr;
var fixedLen = 64;
if (aStr.length <= fixedLen)
return aStr;
if (doFront)
return "..." + aStr.substr(aStr.length-fixedLen, fixedLen);
return aStr.substr(0, fixedLen) + "...";
}
// all progress notifications are done through the nsIWebProgressListener implementation...
var progressListener = {
onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus)
{
if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)
window.close();
},
onProgressChange: function (aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
{
if (!progressParams)
return;
var docTitleStr = ellipseString(progressParams.docTitle, false);
if (docTitleStr != docTitle) {
docTitle = docTitleStr;
dialog.title.value = docTitle;
}
var docURLStr = ellipseString(progressParams.docURL, true);
if (docURLStr != docURL && dialog.title != null) {
docURL = docURLStr;
if (docTitle == "")
dialog.title.value = docURLStr;
}
},
onLocationChange: function (aWebProgress, aRequest, aLocation, aFlags) {},
onSecurityChange: function (aWebProgress, aRequest, state) {},
onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage)
{
if (aMessage)
dialog.title.setAttribute("value", aMessage);
},
QueryInterface: function (iid)
{
if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))
return this;
throw Components.results.NS_NOINTERFACE;
}
}
function onLoad() {
// Set global variables.
printProgress = window.arguments[0];
if (window.arguments[1]) {
progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)
if (progressParams) {
docTitle = ellipseString(progressParams.docTitle, false);
docURL = ellipseString(progressParams.docURL, true);
}
}
if (!printProgress) {
dump( "Invalid argument to printPreviewProgress.xul\n" );
window.close()
return;
}
dialog = new Object;
dialog.strings = new Array;
dialog.title = document.getElementById("dialog.title");
dialog.titleLabel = document.getElementById("dialog.titleLabel");
dialog.title.value = docTitle;
// set our web progress listener on the helper app launcher
printProgress.registerListener(progressListener);
moveToAlertPosition();
//We need to delay the set title else dom will overwrite it
window.setTimeout(doneIniting, 100);
}
function onUnload()
{
if (!printProgress)
return;
try {
printProgress.unregisterListener(progressListener);
printProgress = null;
}
catch(e) {}
}
function getString (stringId) {
// Check if we've fetched this string already.
if (!(stringId in dialog.strings)) {
// Try to get it.
var elem = document.getElementById( "dialog.strings."+stringId);
try {
if (elem && elem.childNodes && elem.childNodes[0] &&
elem.childNodes[0].nodeValue)
dialog.strings[stringId] = elem.childNodes[0].nodeValue;
// If unable to fetch string, use an empty string.
else
dialog.strings[stringId] = "";
} catch (e) { dialog.strings[stringId] = ""; }
}
return dialog.strings[stringId];
}
// If the user presses cancel, tell the app launcher and close the dialog...
function onCancel ()
{
// Cancel app launcher.
try {
printProgress.processCanceledByUser = true;
}
catch(e) {return true;}
// don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.
return false;
}
function doneIniting()
{
// called by function timeout in onLoad
printProgress.doneIniting();
}