1 files changed, 500 insertions, 0 deletions
diff --git a/embed/mozilla/GeckoPrintService.cpp b/embed/mozilla/GeckoPrintService.cpp
new file mode 100644
index 000000000..81a5bcc08
--- /dev/null
+++ b/embed/mozilla/GeckoPrintService.cpp
@@ -0,0 +1,500 @@
+/*
+ *  Copyright (C) 2006 Christian Persch
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2.1, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#include "mozilla-config.h"
+#include "config.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtkwindow.h>
+#include <gtk/gtkdialog.h>
+#include <gtk/gtkprintunixdialog.h>
+#include <gtk/gtkmessagedialog.h>
+#include <gtk/gtkstock.h>
+
+#include <nsStringAPI.h>
+
+#include <nsCOMPtr.h>
+#include <nsIDOMWindow.h>
+#include <nsIDOMWindowInternal.h>
+
+#include "eel-gconf-extensions.h"
+#include "ephy-debug.h"
+#include "ephy-embed-shell.h"
+#include "ephy-file-helpers.h"
+#include "ephy-prefs.h"
+
+#include "AutoJSContextStack.h"
+#include "EphyUtils.h"
+#include "GeckoPrintSession.h"
+
+#include "GeckoPrintService.h"
+
+#define LITERAL(s) NS_REINTERPRET_CAST(const nsAString::char_type*, NS_L(s))
+
+/* From nsIDeviceContext.h */
+#define NS_ERROR_GFX_PRINTER_BASE (1) /* adjustable :-) */
+#define NS_ERROR_GFX_PRINTER_ACCESS_DENIED \
+  NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_GFX,NS_ERROR_GFX_PRINTER_BASE+5)
+
+NS_IMPL_ISUPPORTS1 (GeckoPrintService,
+		    nsIPrintingPromptService)
+
+GeckoPrintService::GeckoPrintService()
+{
+  LOG ("GeckoPrintService ctor [%p]", this);
+}
+
+GeckoPrintService::~GeckoPrintService()
+{
+  LOG ("GeckoPrintService dtor [%p]", this);
+}
+
+/* nsIPrintingPromptService implementation */
+
+/* void showPrintDialog (in nsIDOMWindow parent,
+			 in nsIWebBrowserPrint webBrowserPrint,
+			 in nsIPrintSettings printSettings); */
+NS_IMETHODIMP
+GeckoPrintService::ShowPrintDialog (nsIDOMWindow *aParent,
+				    nsIWebBrowserPrint *aWebBrowserPrint,
+				    nsIPrintSettings *aSettings)
+{
+  /* Locked down? */
+  if (eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_PRINTING)) {
+    return NS_ERROR_GFX_PRINTER_ACCESS_DENIED;
+  }
+
+  GeckoPrintSession *session = GeckoPrintSession::FromSettings (aSettings);
+  NS_ENSURE_TRUE (session, NS_ERROR_INVALID_POINTER);
+
+  GtkWidget *parent = EphyUtils::FindGtkParent (aParent);
+  NS_ENSURE_TRUE(parent, NS_ERROR_INVALID_POINTER);
+
+  PRBool isCalledFromScript = EphyJSUtils::IsCalledFromScript ();
+
+  nsresult rv;
+  AutoJSContextStack stack;
+  rv = stack.Init ();
+  if (NS_FAILED (rv)) {
+    return rv;
+  }
+
+  EphyEmbedShell *shell = ephy_embed_shell_get_default ();
+
+  /* Print settings changes disallowed, just translate the settings */
+  if (eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_PRINT_SETUP)) {
+    /* FIXME: we need to call session->SetSettings first, and for that we need a
+     * way to get the default printer object!
+     */
+    g_warning ("Printing with locked print setup doesn't work!");
+    return NS_ERROR_FAILURE;
+
+    /* If called from a script, give the user a way to cancel the print! */
+    if (isCalledFromScript) {
+      GtkWidget *dialog = gtk_message_dialog_new (GTK_WINDOW (parent),
+		    				  GtkDialogFlags (0),
+						  GTK_MESSAGE_QUESTION,
+						  GTK_BUTTONS_CANCEL,
+						  "%s", _("Print this page?"));
+      gtk_window_set_icon_name (GTK_WINDOW (dialog), "web-browser");
+      gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_PRINT,
+			     GTK_RESPONSE_ACCEPT);
+      gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
+
+      int response = gtk_dialog_run (GTK_DIALOG (dialog));
+      gtk_widget_destroy (dialog);
+
+      if (response != GTK_RESPONSE_ACCEPT) {
+        return NS_ERROR_ABORT;
+      }
+    }
+
+    nsCString sourceFile;
+    session->GetSourceFile (sourceFile);
+    if (!sourceFile.IsEmpty ()) {
+      rv = TranslateSettings (ephy_embed_shell_get_print_settings (shell),
+			      ephy_embed_shell_get_page_setup (shell),
+			      sourceFile, PR_TRUE, aSettings);
+    } else {
+      rv = NS_ERROR_ABORT;
+    }
+
+    return rv;
+  }
+
+  /* Not locked down, show the dialogue */
+
+#if 0
+  PRBool haveSelection = PR_FALSE;
+  rv = aSettings->GetPrintOptions(nsIPrintSettings::kEnableSelectionRB, &haveSelection);
+  NS_ENSURE_SUCCESS (rv, rv);
+
+  PRInt16 frameUI = 0;
+  rv = aSettings->GetHowToEnableFrameUI (&frameUI);
+  NS_ENSURE_SUCCESS (rv, rv);
+#endif
+
+  /* FIXME: this sucks! find some way to do all of this async! */
+  GtkWidget *dialog = gtk_print_unix_dialog_new (NULL /* FIXME title */,
+		  				 GTK_WINDOW (parent));
+  GtkPrintUnixDialog *print_dialog = GTK_PRINT_UNIX_DIALOG (dialog);
+
+  gtk_print_unix_dialog_set_manual_capabilities
+	(print_dialog,
+	 GtkPrintCapabilities (GTK_PRINT_CAPABILITY_PAGE_SET |
+			       GTK_PRINT_CAPABILITY_COPIES   |
+			       GTK_PRINT_CAPABILITY_COLLATE  |
+			       GTK_PRINT_CAPABILITY_REVERSE  |
+			       GTK_PRINT_CAPABILITY_SCALE));
+  gtk_print_unix_dialog_set_page_setup (print_dialog,
+					ephy_embed_shell_get_page_setup (shell));
+  gtk_print_unix_dialog_set_settings (print_dialog,
+				      ephy_embed_shell_get_print_settings (shell));
+
+  gtk_window_set_icon_name (GTK_WINDOW (dialog), "web-browser");
+
+  int response = gtk_dialog_run (GTK_DIALOG (dialog));
+  gtk_widget_hide (dialog);
+
+  GtkPrinter *printer = gtk_print_unix_dialog_get_selected_printer (print_dialog);
+
+  if (response != GTK_RESPONSE_OK || !printer) {
+    gtk_widget_destroy (dialog);
+
+    return NS_ERROR_ABORT;
+  }
+
+  GtkPageSetup *pageSetup = gtk_print_unix_dialog_get_page_setup (print_dialog);
+  ephy_embed_shell_set_page_setup (shell, pageSetup);
+
+  GtkPrintSettings *settings = gtk_print_unix_dialog_get_settings (print_dialog);
+  ephy_embed_shell_set_print_settings (shell, settings);
+
+  /* This adopts the refcount of |settings| */
+  rv = session->SetSettings (settings, pageSetup, printer);
+
+  /* Now translate the settings to nsIPrintSettings */
+  if (NS_SUCCEEDED (rv)) {
+    nsCString sourceFile;
+    session->GetSourceFile (sourceFile);
+    if (!sourceFile.IsEmpty ()) {
+      rv = TranslateSettings (settings, pageSetup, sourceFile, PR_TRUE, aSettings);
+    } else {
+      rv = NS_ERROR_ABORT;
+    }
+  }
+
+  gtk_widget_destroy (dialog);
+
+  return rv;
+}
+
+/* void showProgress (in nsIDOMWindow parent,
+		      in nsIWebBrowserPrint webBrowserPrint,
+		      in nsIPrintSettings printSettings,
+		      in nsIObserver openDialogObserver,
+		      in boolean isForPrinting,
+		      out nsIWebProgressListener webProgressListener,
+		      out nsIPrintProgressParams printProgressParams,
+		      out boolean notifyOnOpen); */
+NS_IMETHODIMP
+GeckoPrintService::ShowProgress (nsIDOMWindow *aParent,
+				 nsIWebBrowserPrint *aWebBrowserPrint,
+				 nsIPrintSettings *aPrintSettings,
+				 nsIObserver *aOpenDialogObserver,
+				 PRBool aIsForPrinting,
+				 nsIWebProgressListener **_webProgressListener,
+				 nsIPrintProgressParams **_printProgressParams,
+				 PRBool *_notifyOnOpen)
+{
+  /* Print preview */
+  if (!aIsForPrinting) {
+    return NS_OK;
+  }
+
+  nsresult rv;
+  nsCOMPtr<nsIDOMWindowInternal> domWin (do_QueryInterface (aParent, &rv));
+  NS_ENSURE_SUCCESS (rv, rv);
+
+  nsCOMPtr<nsIPrintSession> session;
+  rv = aPrintSettings->GetPrintSession (getter_AddRefs (session));
+  NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && session, nsnull);
+
+  nsCOMPtr<nsIPrintProgress> progress (do_QueryInterface (session, &rv));
+  NS_ENSURE_SUCCESS (rv, rv);
+  
+  /* Out print session implements those interfaces */
+  rv = CallQueryInterface (session, _webProgressListener);
+  rv |= CallQueryInterface (session, _printProgressParams);
+  NS_ENSURE_SUCCESS (rv, rv);
+
+  /* Setting this to PR_FALSE will make gecko immediately start printing
+   * when we return from this function.
+   * If we set this to PR_TRUE, we need to call aOpenDialogObserver::Observe
+   * (topic, subject and data don't matter) when we're ready for printing.
+   */
+  *_notifyOnOpen = PR_FALSE; 
+
+  return progress->OpenProgressDialog (domWin, nsnull, nsnull, aOpenDialogObserver, _notifyOnOpen);
+}
+
+/* void showPageSetup (in nsIDOMWindow parent,
+		       in nsIPrintSettings printSettings,
+		       in nsIObserver aObs); */
+NS_IMETHODIMP GeckoPrintService::ShowPageSetup (nsIDOMWindow *aParent,
+						nsIPrintSettings *aPrintSettings,
+						nsIObserver *aObserver)
+{
+  /* Locked down? */
+  if (eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_PRINTING) ||
+      eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_PRINT_SETUP)) {
+    return NS_ERROR_ABORT;
+  }
+
+  GtkWidget *parent = EphyUtils::FindGtkParent (aParent);
+  NS_ENSURE_TRUE(parent, NS_ERROR_INVALID_POINTER);
+
+  AutoJSContextStack stack;
+  nsresult rv = stack.Init ();
+  if (NS_FAILED (rv)) {
+    return rv;
+  }
+
+  EphyEmbedShell *shell = ephy_embed_shell_get_default ();
+  GtkPageSetup *new_setup =
+    gtk_print_run_page_setup_dialog (GTK_WINDOW (parent),
+				     ephy_embed_shell_get_page_setup (shell),
+				     ephy_embed_shell_get_print_settings (shell));
+  if (new_setup) {
+    ephy_embed_shell_set_page_setup (shell, new_setup);
+    g_object_unref (new_setup);
+  }
+
+  /* FIXME do we need to notify aObserver somehow? */
+  return NS_OK;
+}
+
+/* void showPrinterProperties (in nsIDOMWindow parent,
+			       in wstring printerName,
+			       in nsIPrintSettings printSettings); */
+NS_IMETHODIMP
+GeckoPrintService::ShowPrinterProperties (nsIDOMWindow *aParent,
+					  const PRUnichar *aPrinterName,
+					  nsIPrintSettings *aPrintSettings)
+{
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+/* Static methods */
+
+/* static */ nsresult
+GeckoPrintService::TranslateSettings (GtkPrintSettings *aGtkSettings,
+				      GtkPageSetup *aPageSetup,
+				      const nsACString &aSourceFile,
+				      PRBool aIsForPrinting,
+				      nsIPrintSettings *aSettings)
+{
+  NS_ENSURE_ARG (aGtkSettings);
+  NS_ENSURE_ARG (aPageSetup);
+
+  /* Locked down? */
+  if (gtk_print_settings_get_print_to_file (aGtkSettings) &&
+      eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_SAVE_TO_DISK)) {
+    return NS_ERROR_GFX_PRINTER_ACCESS_DENIED;
+  }
+
+  /* Initialisation */
+  aSettings->SetIsInitializedFromPrinter (PR_FALSE);
+  aSettings->SetIsInitializedFromPrefs (PR_FALSE);
+  aSettings->SetPrintSilent (PR_FALSE);
+  aSettings->SetShowPrintProgress (PR_TRUE);
+  aSettings->SetNumCopies (1);
+
+  /* We always print PS to a file and then hand that off to gtk-print */
+  aSettings->SetPrinterName (LITERAL ("PostScript/default"));
+
+  if (aIsForPrinting) {
+    aSettings->SetPrintToFile (PR_TRUE);
+
+    nsString sourceFile;
+    NS_CStringToUTF16 (aSourceFile,
+		       NS_CSTRING_ENCODING_NATIVE_FILESYSTEM,
+		       sourceFile);
+
+    aSettings->SetToFileName (sourceFile.get ());
+  } else {
+    /* Otherwise mozilla will create the file nevertheless and 
+     * fail since we haven't set a name!
+     */
+    aSettings->SetPrintToFile (PR_FALSE);
+  }
+
+  /* This is the time between printing each page, in ms.
+   * It 'gives the user more time to press cancel' !
+   * We don't want any of this nonsense, so set this to a low value,
+   * just enough to update the print dialogue.
+   */
+  aSettings->SetPrintPageDelay (50);
+
+  if (aIsForPrinting) {
+    GtkPageSet pageSet = gtk_print_settings_get_page_set (aGtkSettings);
+    aSettings->SetPrintOptions (nsIPrintSettings::kPrintEvenPages,
+			        pageSet != GTK_PAGE_SET_ODD);
+    aSettings->SetPrintOptions (nsIPrintSettings::kPrintEvenPages,
+			        pageSet != GTK_PAGE_SET_EVEN);
+
+    aSettings->SetPrintReversed (gtk_print_settings_get_reverse (aGtkSettings));
+
+    GtkPrintPages printPages = gtk_print_settings_get_print_pages (aGtkSettings);
+    switch (printPages) {
+      case GTK_PRINT_PAGES_RANGES: {
+        int numRanges = 0;
+        GtkPageRange *pageRanges = gtk_print_settings_get_page_ranges (aGtkSettings, &numRanges);
+        if (numRanges > 0) {
+          /* FIXME: We can only support one range, ignore more ranges or raise error? */
+          aSettings->SetPrintRange (nsIPrintSettings::kRangeSpecifiedPageRange);
+          aSettings->SetStartPageRange (pageRanges[0].start);
+	  aSettings->SetEndPageRange (pageRanges[1].end);
+
+	  g_free (pageRanges);
+        }
+        break;
+      }
+      case GTK_PRINT_PAGES_CURRENT:
+        /* not supported, fall through */
+      case GTK_PRINT_PAGES_ALL:
+        aSettings->SetPrintRange (nsIPrintSettings::kRangeAllPages);
+        break;
+        /* FIXME: we need some custom ranges here, "Selection" and "Focused Frame" */
+    }
+  } else {
+    aSettings->SetPrintOptions (nsIPrintSettings::kPrintEvenPages, PR_TRUE);
+    aSettings->SetPrintOptions (nsIPrintSettings::kPrintEvenPages, PR_TRUE);
+    aSettings->SetPrintReversed (PR_FALSE);
+    aSettings->SetPrintRange (nsIPrintSettings::kRangeAllPages);
+  }
+
+  switch (gtk_print_settings_get_orientation (aGtkSettings)) {
+    case GTK_PAGE_ORIENTATION_PORTRAIT:
+    case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT: /* not supported */
+      aSettings->SetOrientation (nsIPrintSettings::kPortraitOrientation);
+      break;
+    case GTK_PAGE_ORIENTATION_LANDSCAPE:
+    case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE: /* not supported */
+      aSettings->SetOrientation (nsIPrintSettings::kLandscapeOrientation);
+      break;
+  }
+
+  aSettings->SetPrintInColor (gtk_print_settings_get_use_color (aGtkSettings));
+
+  aSettings->SetPaperSizeUnit(nsIPrintSettings::kPaperSizeMillimeters);
+  aSettings->SetPaperSize (nsIPrintSettings::kPaperSizeDefined);
+
+  // FIXME for some reason this is always NULL ??
+  //  GtkPaperSize *paperSize = gtk_print_settings_get_paper_size (aGtkSettings); 
+  GtkPaperSize *paperSize = gtk_page_setup_get_paper_size (aPageSetup);
+  if (!paperSize) {
+    return NS_ERROR_FAILURE;
+  }
+
+  aSettings->SetPaperSizeType (nsIPrintSettings::kPaperSizeDefined);
+  aSettings->SetPaperWidth (gtk_paper_size_get_width (paperSize, GTK_UNIT_MM));
+  aSettings->SetPaperHeight (gtk_paper_size_get_height (paperSize, GTK_UNIT_MM));
+
+#ifdef HAVE_GECKO_1_9
+  aSettings->SetPaperName (NS_ConvertUTF8toUTF16 (gtk_paper_size_get_name (paperSize)).get ());
+#else
+{
+  /* Mozilla bug https://bugzilla.mozilla.org/show_bug.cgi?id=307404
+   * means that we cannot actually use any paper sizes except mozilla's
+   * builtin list, and we must refer to them *by name*!
+  */
+  static const struct {
+    const char gtkPaperName[13];
+    const char mozPaperName[10];
+  } paperTable [] = {
+    { GTK_PAPER_NAME_A5, "A5" },
+    { GTK_PAPER_NAME_A4, "A4" },
+    { GTK_PAPER_NAME_A3, "A3" },
+    { GTK_PAPER_NAME_LETTER, "Letter" },
+    { GTK_PAPER_NAME_LEGAL, "Legal" },
+    { GTK_PAPER_NAME_EXECUTIVE, "Executive" },
+  };
+
+  const char *paperName = gtk_paper_size_get_name (paperSize);
+	
+  PRUint32 i;
+  for (i = 0; i < G_N_ELEMENTS (paperTable); i++) {
+    if (g_ascii_strcasecmp (paperTable[i].gtkPaperName, paperName) == 0) {
+      paperName = paperTable[i].mozPaperName;
+      break;
+    }
+  }
+  if (i == G_N_ELEMENTS (paperTable)) {
+    /* Not in table, fall back to A4 */
+    g_warning ("Unknown paper name '%s', falling back to A4", gtk_paper_size_get_name (paperSize));
+    paperName = paperTable[1].mozPaperName;
+  }
+
+  aSettings->SetPaperName (NS_ConvertUTF8toUTF16 (paperName).get ());
+}
+#endif /* !HAVE_GECKO_1_9 */
+
+  // gtk_paper_size_free (paperSize);
+
+  /* Sucky mozilla wants margins in inch! */
+  aSettings->SetMarginTop (gtk_page_setup_get_top_margin (aPageSetup, GTK_UNIT_INCH));
+  aSettings->SetMarginBottom (gtk_page_setup_get_bottom_margin (aPageSetup, GTK_UNIT_INCH));
+  aSettings->SetMarginLeft (gtk_page_setup_get_left_margin (aPageSetup, GTK_UNIT_INCH));
+  aSettings->SetMarginRight (gtk_page_setup_get_right_margin (aPageSetup, GTK_UNIT_INCH));
+
+#if 0
+  // FIXME !
+  aSettings->SetHeaderStrLeft(const PRUnichar * aHeaderStrLeft);
+  aSettings->SetHeaderStrCenter(const PRUnichar * aHeaderStrCenter);
+  aSettings->SetHeaderStrRight(const PRUnichar * aHeaderStrRight);
+  aSettings->SetFooterStrLeft(const PRUnichar * aFooterStrLeft);
+  aSettings->SetFooterStrCenter(const PRUnichar * aFooterStrCenter);
+  aSettings->SetFooterStrRight(const PRUnichar * aFooterStrRight);
+#endif
+
+  /* FIXME I think this is the right default, but this prevents the user
+   * from cancelling the print immediately, see the stupid comment in nsPrintEngine:
+   *  "DO NOT allow the print job to be cancelled if it is Print FrameAsIs
+   *   because it is only printing one page."
+   * We work around this by just not sending the job to the printer then.
+   */
+  aSettings->SetPrintFrameType(nsIPrintSettings::kFramesAsIs); /* FIXME setting */
+  aSettings->SetPrintFrameTypeUsage (nsIPrintSettings::kUseSettingWhenPossible);
+
+  aSettings->SetScaling (gtk_print_settings_get_scale (aGtkSettings) / 100.0);
+  aSettings->SetShrinkToFit (PR_FALSE); /* FIXME setting */
+    
+  aSettings->SetPrintBGColors (PR_FALSE); /* FIXME setting */
+  aSettings->SetPrintBGImages (PR_FALSE); /* FIXME setting */
+
+  /* aSettings->SetPlexName (LITERAL ("default")); */
+  /* aSettings->SetColorspace (LITERAL ("default")); */
+  /* aSettings->SetResolutionName (LITERAL ("default")); */
+  /* aSettings->SetDownloadFonts (PR_TRUE); */
+
+  return NS_OK;
+}