aboutsummaryrefslogblamecommitdiffstats
path: root/embed/mozilla/EphyUtils.cpp
blob: 3d43cf11ebf5da5745cd9a6087b436bff69491c0 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
















                                                                               
        

   

                           
                   
 
                      

                              
                         
 


                         
                              
                           
                          
                              



                                   
                             















                                                                              




                                         



                                                                  
                                                        

 




                                          






                                                                  
                                                                


                  







































































































































                                                                                    












                                                                
/*
 *  Copyright (C) 2004 Marco Pesenti Gritti
 *
 *  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 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 "EphyUtils.h"
#include "ephy-embed-shell.h"
#include "ephy-embed-single.h"
#include "print-dialog.h"

#include <nsIIOService.h>
#include <nsIURI.h>
#include <nsIDOMWindow.h>
#include <nsIServiceManager.h>
#undef MOZILLA_INTERNAL_API
#include <nsEmbedString.h>
#define MOZILLA_INTERNAL_API 1
#include <nsIWindowWatcher.h>
#include <nsIEmbeddingSiteWindow.h>
#include <nsIWebBrowserChrome.h>
#include <gtkmozembed.h>
#include <nsIPrintSettings.h>

nsresult
EphyUtils::GetIOService (nsIIOService **ioService)
{
    nsresult rv;

    nsCOMPtr<nsIServiceManager> mgr; 
    NS_GetServiceManager (getter_AddRefs (mgr));
    if (!mgr) return NS_ERROR_FAILURE;

    rv = mgr->GetServiceByContractID ("@mozilla.org/network/io-service;1",
                      NS_GET_IID (nsIIOService),
                      (void **)ioService);
    return rv;
}

nsresult
EphyUtils::NewURI (nsIURI **result,
           const nsAString &spec,
           const char *charset,
           nsIURI *baseURI)
{
    nsEmbedCString cSpec;
    NS_UTF16ToCString (spec, NS_CSTRING_ENCODING_UTF8, cSpec);

    return NewURI (result, cSpec, charset, baseURI);
}

nsresult
EphyUtils::NewURI (nsIURI **result,
           const nsACString &spec,
           const char *charset,
           nsIURI *baseURI)
{
    nsresult rv;

    nsCOMPtr<nsIIOService> ioService;
    rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
    NS_ENSURE_SUCCESS (rv, rv);

    rv = ioService->NewURI (spec, charset, baseURI, result);

    return rv;
}

GtkWidget *
EphyUtils::FindEmbed (nsIDOMWindow *aDOMWindow)
{
    if (!aDOMWindow) return nsnull;

    nsCOMPtr<nsIWindowWatcher> wwatch
        (do_GetService("@mozilla.org/embedcomp/window-watcher;1"));
    NS_ENSURE_TRUE (wwatch, nsnull);

    /* this DOM window may belong to some inner frame, we need
     * to get the topmost DOM window to get the embed
     */
    nsCOMPtr<nsIDOMWindow> topWindow;
    aDOMWindow->GetTop (getter_AddRefs (topWindow));
    if (!topWindow) return nsnull;
    
    nsCOMPtr<nsIWebBrowserChrome> windowChrome;
    wwatch->GetChromeForWindow (topWindow, getter_AddRefs(windowChrome));
    NS_ENSURE_TRUE (windowChrome, nsnull);

    nsCOMPtr<nsIEmbeddingSiteWindow> window (do_QueryInterface(windowChrome));
    NS_ENSURE_TRUE (window, nsnull);

    nsresult rv;
    GtkWidget *mozembed;
    rv = window->GetSiteWindow ((void **)&mozembed);
    NS_ENSURE_SUCCESS (rv, nsnull);

    return mozembed;
}

GtkWidget *
EphyUtils::FindGtkParent (nsIDOMWindow *aDOMWindow)
{
    GtkWidget *embed = FindEmbed (aDOMWindow);
    NS_ENSURE_TRUE (embed, nsnull);

    return gtk_widget_get_toplevel (GTK_WIDGET (embed));
}

#define MM_TO_INCH(x)       (((double) x) / 25.4)

nsresult
EphyUtils::CollatePrintSettings (const EmbedPrintInfo *info,
                 nsIPrintSettings *options,
                 gboolean preview)
{
    const static int frame_types[] = {
        nsIPrintSettings::kFramesAsIs,
        nsIPrintSettings::kSelectedFrame,
        nsIPrintSettings::kEachFrameSep
    };

    switch (info->pages)
    {
        case 0:
        options->SetPrintRange (nsIPrintSettings::kRangeAllPages);
        break;
    case 1:
        options->SetPrintRange (nsIPrintSettings::kRangeSpecifiedPageRange);
        options->SetStartPageRange (info->from_page);
        options->SetEndPageRange (info->to_page);
        break;
    case 2:
        options->SetPrintRange (nsIPrintSettings::kRangeSelection);
        break;
    }

    options->SetMarginTop (MM_TO_INCH (info->top_margin));
    options->SetMarginBottom (MM_TO_INCH (info->bottom_margin));
    options->SetMarginLeft (MM_TO_INCH (info->left_margin));
    options->SetMarginRight (MM_TO_INCH (info->right_margin));

    nsEmbedString tmp;

    NS_CStringToUTF16 (nsEmbedCString(info->header_left_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetHeaderStrLeft (tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->header_center_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetHeaderStrCenter (tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->header_right_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetHeaderStrRight (tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->footer_left_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetFooterStrLeft (tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->footer_center_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetFooterStrCenter(tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->footer_right_string),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetFooterStrRight(tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->file),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetToFileName (tmp.get());

    NS_CStringToUTF16 (nsEmbedCString(info->printer),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetPrinterName (tmp.get());

    /**
     * Work around a mozilla bug where paper size & orientation are ignored
     * and the specified file is created (containing invalid postscript)
     * in print preview mode if we set "print to file" to true.
     * See epiphany bug #119818.
     */
    if (preview)
    {
        options->SetPrintToFile (PR_FALSE);
    }
    else
    {
        options->SetPrintToFile (info->print_to_file);
    }

    /* native paper size formats. Our dialog does not support custom yet */
    options->SetPaperSize (nsIPrintSettings::kPaperSizeNativeData);

    NS_CStringToUTF16 (nsEmbedCString(info->paper),
               NS_CSTRING_ENCODING_UTF8, tmp);
    options->SetPaperName (tmp.get());

    options->SetPrintInColor (info->print_color);
    options->SetOrientation (info->orientation);
    options->SetPrintFrameType (frame_types[info->frame_type]);

    return NS_OK;
}

PRBool
EphyUtils::StringEquals (nsAString &s1, nsAString &s2)
{
    if (s1.Length() != s2.Length())
    {
        return FALSE;
    }

    return (memcmp (s1.BeginReading(),
                s2.BeginReading(),
                s2.Length() * sizeof (PRUnichar)) == 0);
}