1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
/* 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/. */
"use strict";
XPCOMUtils.defineLazyModuleGetter(this, "Snackbars", "resource://gre/modules/Snackbars.jsm");
var PrintHelper = {
init: function() {
Services.obs.addObserver(this, "Print:PDF", false);
},
observe: function (aSubject, aTopic, aData) {
let browser = BrowserApp.selectedBrowser;
switch (aTopic) {
case "Print:PDF":
Messaging.handleRequest(aTopic, aData, (data) => {
return this.generatePDF(browser);
});
break;
}
},
generatePDF: function(aBrowser) {
// Create the final destination file location
let fileName = ContentAreaUtils.getDefaultFileName(aBrowser.contentTitle, aBrowser.currentURI, null, null);
fileName = fileName.trim() + ".pdf";
let file = Services.dirsvc.get("TmpD", Ci.nsIFile);
file.append(fileName);
file.createUnique(file.NORMAL_FILE_TYPE, parseInt("666", 8));
let printSettings = Cc["@mozilla.org/gfx/printsettings-service;1"].getService(Ci.nsIPrintSettingsService).newPrintSettings;
printSettings.printSilent = true;
printSettings.showPrintProgress = false;
printSettings.printBGImages = false;
printSettings.printBGColors = false;
printSettings.printToFile = true;
printSettings.toFileName = file.path;
printSettings.printFrameType = Ci.nsIPrintSettings.kFramesAsIs;
printSettings.outputFormat = Ci.nsIPrintSettings.kOutputFormatPDF;
let webBrowserPrint = aBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIWebBrowserPrint);
return new Promise((resolve, reject) => {
webBrowserPrint.print(printSettings, {
onStateChange: function(webProgress, request, stateFlags, status) {
// We get two STATE_START calls, one for STATE_IS_DOCUMENT and one for STATE_IS_NETWORK
if (stateFlags & Ci.nsIWebProgressListener.STATE_START && stateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
// Let the user know something is happening. Generating the PDF can take some time.
Snackbars.show(Strings.browser.GetStringFromName("alertPrintjobToast"), Snackbars.LENGTH_LONG);
}
// We get two STATE_STOP calls, one for STATE_IS_DOCUMENT and one for STATE_IS_NETWORK
if (stateFlags & Ci.nsIWebProgressListener.STATE_STOP && stateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
if (Components.isSuccessCode(status)) {
// Send the details to Java
resolve({ file: file.path, title: fileName });
} else {
reject();
}
}
},
onProgressChange: function () {},
onLocationChange: function () {},
onStatusChange: function () {},
onSecurityChange: function () {},
});
});
}
};
|
