add printUtils.js to the toolkit (copied from printing.js)

toolkit/components/printing/content/printUtils.js

@@ -0,0 +1,150 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: NPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is 
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Blake Ross <blakeross@telocity.com>
+ *   Peter Annema <disttsc@bart.nl>
+ *   Samir Gehani <sgehani@netscape.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or 
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the NPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the NPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+var gPrintSettings = null;
+
+function setPrinterDefaultsForSelectedPrinter(aPrintService)
+{
+  if (gPrintSettings.printerName == "") {
+    gPrintSettings.printerName = aPrintService.defaultPrinterName;
+  }
+
+  // First get any defaults from the printer 
+  aPrintService.initPrintSettingsFromPrinter(gPrintSettings.printerName, gPrintSettings);
+
+  // now augment them with any values from last time
+  aPrintService.initPrintSettingsFromPrefs(gPrintSettings, true, gPrintSettings.kInitSaveAll);
+}
+
+
+function GetPrintSettings()
+{
+  var prevPS = gPrintSettings;
+  try {
+    if (gPrintSettings == null) {
+      var pref = Components.classes["@mozilla.org/preferences-service;1"]
+                           .getService(Components.interfaces.nsIPrefBranch);
+      if (pref) {
+        gPrintSettingsAreGlobal = pref.getBoolPref("print.use_global_printsettings", false);
+        gSavePrintSettings = pref.getBoolPref("print.save_print_settings", false);
+      }
+
+      var printService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
+                                        .getService(Components.interfaces.nsIPrintSettingsService);
+      if (gPrintSettingsAreGlobal) {
+        gPrintSettings = printService.globalPrintSettings;
+        setPrinterDefaultsForSelectedPrinter(printService);
+      } else {
+        gPrintSettings = printService.newPrintSettings;
+      }
+    }
+  } catch (e) {
+    dump("GetPrintSettings() "+e+"\n");
+  }
+
+  return gPrintSettings;
+}
+
+function goPageSetup(domwin, printSettings)
+{
+  try {
+    if (printSettings == null) {
+      dump("***************** PrintSettings arg is null!");
+      return false;
+    }
+
+    // This code calls the printoptions service to bring up the printoptions
+    // dialog.  This will be an xp dialog if the platform did not override
+    // the ShowPrintSetupDialog method.
+    var printingPromptService = Components.classes["@mozilla.org/embedcomp/printingprompt-service;1"]
+                                             .getService(Components.interfaces.nsIPrintingPromptService);
+    printingPromptService.showPageSetup(domwin, printSettings, null);
+    return true;
+  } catch(e) {
+    return false; 
+  }
+  return true;
+}
+
+function NSPrintSetup()
+{
+  var didOK = false;
+  try {
+    gPrintSettings = GetPrintSettings();
+
+    var webBrowserPrint = null;
+    if (_content) {
+      var ifreq = _content.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
+      webBrowserPrint = ifreq.getInterface(Components.interfaces.nsIWebBrowserPrint);
+    }
+
+    didOK = goPageSetup(window, gPrintSettings);  // from printing.js
+    if (didOK) {
+
+      if (webBrowserPrint) {
+        if (gPrintSettingsAreGlobal && gSavePrintSettings) {
+          var psService = Components.classes["@mozilla.org/gfx/printsettings-service;1"]
+                                            .getService(Components.interfaces.nsIPrintSettingsService);
+          psService.savePrintSettingsToPrefs(gPrintSettings, false, gPrintSettings.kInitSaveNativeData);
+        }
+      }
+    }
+  } catch (e) {
+    dump("BrowserPrintSetup "+e);
+  }
+  return didOK;
+}
+
+function NSPrint()
+{
+  try {
+    var ifreq = _content.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
+    var webBrowserPrint = ifreq.getInterface(Components.interfaces.nsIWebBrowserPrint);     
+    if (webBrowserPrint) {
+      gPrintSettings = GetPrintSettings();
+      webBrowserPrint.print(gPrintSettings, null);
+    }
+  } catch (e) {
+    // Pressing cancel is expressed as an NS_ERROR_ABORT return value,
+    // causing an exception to be thrown which we catch here.
+    // Unfortunately this will also consume helpful failures, so add a
+    // dump(e); // if you need to debug
+  }
+}