зеркало из https://github.com/mozilla/pjs.git
277 строки
10 KiB
JavaScript
277 строки
10 KiB
JavaScript
# -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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# ***** BEGIN LICENSE BLOCK *****
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# Version: NPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Netscape Public License
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# Version 1.1 (the "License"); you may not use this file except in
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# compliance with the License. You may obtain a copy of the License at
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# http://www.mozilla.org/NPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1998
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Blake Ross <blakeross@telocity.com>
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# Peter Annema <disttsc@bart.nl>
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# Samir Gehani <sgehani@netscape.com>
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# Pierre Chanial <p_ch@verizon.net>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the NPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the NPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK ***** */
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var XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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var PrintUtils = {
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showPageSetup: function ()
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{
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try {
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var printSettings = this.getPrintSettings();
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var PRINTPROMPTSVC = Components.classes["@mozilla.org/embedcomp/printingprompt-service;1"]
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.getService(Components.interfaces.nsIPrintingPromptService);
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PRINTPROMPTSVC.showPageSetup(window, printSettings, null);
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this.savePrintSettings(printSettings);
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} catch (e) {
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dump("showPageSetup "+e+"\n");
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return false;
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}
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return true;
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},
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print: function ()
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{
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var webBrowserPrint = this.getWebBrowserPrint();
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var printSettings = this.getPrintSettings();
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try {
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webBrowserPrint.print(printSettings, null);
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} catch (e) {
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// Pressing cancel is expressed as an NS_ERROR_ABORT return value,
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// causing an exception to be thrown which we catch here.
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// Unfortunately this will also consume helpful failures, so add a
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// dump("print: "+e+"\n"); // if you need to debug
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}
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},
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printPreview: function (aEnterPPCallback, aExitPPCallback)
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{
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// if we're in PP mode, don't copy the callbacks.
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if (!document.getElementById("print-preview-toolbar")) {
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this._onEnterPP = aEnterPPCallback;
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this._onExitPP = aExitPPCallback;
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}
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this._webProgressPP = {};
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var ppParams = {};
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var notifyOnOpen = {};
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var webBrowserPrint = this.getWebBrowserPrint();
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var printSettings = this.getPrintSettings();
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// Here we get the PrintingPromptService so we can display the PP Progress from script
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// For the browser implemented via XUL with the PP toolbar we cannot let it be
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// automatically opened from the print engine because the XUL scrollbars in the PP window
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// will layout before the content window and a crash will occur.
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// Doing it all from script, means it lays out before hand and we can let printing do it's own thing
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var PPROMPTSVC = Components.classes["@mozilla.org/embedcomp/printingprompt-service;1"]
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.getService(Components.interfaces.nsIPrintingPromptService);
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// just in case we are already printing,
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// an error code could be returned if the Prgress Dialog is already displayed
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try {
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PPROMPTSVC.showProgress(this, webBrowserPrint, printSettings, this._obsPP, false,
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this._webProgressPP, ppParams, notifyOnOpen);
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if (ppParams.value) {
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var webNav = getBrowser().webNavigation;
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ppParams.value.docTitle = webNav.document.title;
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ppParams.value.docURL = webNav.currentURI.spec;
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}
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// this tells us whether we should continue on with PP or
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// wait for the callback via the observer
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if (!notifyOnOpen.value.valueOf() || this._webProgressPP.value == null)
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this.enterPrintPreview();
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} catch (e) {
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this.enterPrintPreview();
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}
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},
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getWebBrowserPrint: function ()
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{
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return _content.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
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.getInterface(Components.interfaces.nsIWebBrowserPrint);
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},
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savePrintSettings: function (aPrintSettings)
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{
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var PSSVC = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
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.getService(Components.interfaces.nsIPrintSettingsService);
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PSSVC.savePrintSettingsToPrefs(aPrintSettings, false, aPrintSettings.kInitSaveNativeData);
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},
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////////////////////////////////////////
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// "private" methods. Don't use them. //
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////////////////////////////////////////
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setPrinterDefaultsForSelectedPrinter: function (aPSSVC, aPrintSettings)
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{
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if (!aPrintSettings.printerName)
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aPrintSettings.printerName = aPSSVC.defaultPrinterName;
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// First get any defaults from the printer
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aPSSVC.initPrintSettingsFromPrinter(aPrintSettings.printerName, aPrintSettings);
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// now augment them with any values from last time
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aPSSVC.initPrintSettingsFromPrefs(aPrintSettings, true, aPrintSettings.kInitSaveAll);
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},
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getPrintSettings: function ()
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{
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var printSettings;
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try {
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var PSSVC = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
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.getService(Components.interfaces.nsIPrintSettingsService);
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printSettings = PSSVC.globalPrintSettings;
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this.setPrinterDefaultsForSelectedPrinter(PSSVC, printSettings);
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} catch (e) {
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dump("getPrintSettings: "+e+"\n");
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}
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return printSettings;
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},
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_chromeState: {},
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_closeHandlerPP: null,
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_webProgressPP: null,
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_onEnterPP: null,
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_onExitPP: null,
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// This observer is called once the progress dialog has been "opened"
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_obsPP:
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{
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observe: function(aSubject, aTopic, aData)
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{
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// delay the print preview to show the content of the progress dialog
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setTimeout("PrintUtils.enterPrintPreview();", 0);
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},
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QueryInterface : function(iid)
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{
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if (iid.equals(Components.interfaces.nsIObserver) || iid.equals(Components.interfaces.nsISupportsWeakReference))
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return this;
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throw Components.results.NS_NOINTERFACE;
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}
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},
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enterPrintPreview: function ()
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{
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var webBrowserPrint = this.getWebBrowserPrint();
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var printSettings = this.getPrintSettings();
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try {
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webBrowserPrint.printPreview(printSettings, null, this._webProgressPP.value);
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} catch (e) {
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// Pressing cancel is expressed as an NS_ERROR_ABORT return value,
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// causing an exception to be thrown which we catch here.
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// Unfortunately this will also consume helpful failures, so add a
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// dump(e); // if you need to debug
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}
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var printPreviewTB = document.getElementById("print-preview-toolbar");
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if (printPreviewTB) {
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printPreviewTB.updateToolbar();
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return;
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}
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// show the toolbar after we go into print preview mode so
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// that we can initialize the toolbar with total num pages
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printPreviewTB = document.createElementNS(XUL_NS, "toolbar");
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printPreviewTB.setAttribute("printpreview", true);
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printPreviewTB.setAttribute("id", "print-preview-toolbar");
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getBrowser().parentNode.insertBefore(printPreviewTB, getBrowser());
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// Tab browser...
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if ("getStripVisibility" in getBrowser()) {
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this._chromeState.hadTabStrip = getBrowser().getStripVisibility();
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getBrowser().setStripVisibilityTo(false);
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}
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// copy the window close handler
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if (document.documentElement.hasAttribute("onclose"))
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this._closeHandlerPP = document.documentElement.getAttribute("onclose");
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else
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this._closeHandlerPP = null;
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document.documentElement.setAttribute("onclose", "PrintUtils.exitPrintPreview(); return false;");
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// disable chrome shortcuts...
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window.addEventListener("keypress", this.onKeyPressPP, true);
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_content.focus();
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// on Enter PP Call back
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if (this._onEnterPP) {
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this._onEnterPP();
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this._onEnterPP = null;
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}
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},
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exitPrintPreview: function ()
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{
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window.removeEventListener("keypress", this.onKeyPressPP, true);
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// restore the old close handler
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document.documentElement.setAttribute("onclose", this._closeHandlerPP);
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this._closeHandlerPP = null;
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if ("getStripVisibility" in getBrowser())
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getBrowser().setStripVisibilityTo(this._chromeState.hadTabStrip);
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var webBrowserPrint = this.getWebBrowserPrint();
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webBrowserPrint.exitPrintPreview();
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// remove the print preview toolbar
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var printPreviewTB = document.getElementById("print-preview-toolbar");
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getBrowser().parentNode.removeChild(printPreviewTB);
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_content.focus();
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// on Exit PP Call back
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if (this._onExitPP) {
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this._onExitPP();
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this._onExitPP = null;
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}
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},
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onKeyPressPP: function (aEvent)
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{
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var closeKey;
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try {
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closeKey = document.getElementById("key_close")
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.getAttribute("key");
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closeKey = aEvent["DOM_VK_"+closeKey];
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} catch (e) {}
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var isModif = aEvent.ctrlKey || aEvent.metaKey;
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// ESC and Ctrl-W exits the PP
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if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE || isModif &&
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(aEvent.charCode == closeKey || aEvent.charCode == closeKey + 32))
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PrintUtils.exitPrintPreview();
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// cancel shortkeys
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if (isModif) {
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aEvent.preventDefault();
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aEvent.stopPropagation();
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}
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}
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}
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