aboutsummaryrefslogblamecommitdiffstats
path: root/e-util/e-web-view-gtkhtml.c
blob: 7303277f6ae611ed61c8b2a24c9dae53191e6335 (plain) (tree)
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764



























                                                                             
                                    
 



                           


































































                                                                 











































                                                                                 

                                                    


















































                                                                          
                                                        


























                                                                            

                                                                         





























                                                                               

                                                                  


























































































































                                                                            
                                                





















































































                                                                   

                                                              








































                                                                              
                                                        






















                                                                  

                                                     














                                                                               


                                                   




















































































                                                                       


                                                 










































































































































                                                                                    
                                                                           















                                                                                  
                                                                            























                                                                 
                                                                               



                                                       
                                                           









                                                                           
                                                                          




                                                                
                                                     

                                              




















                                                                















                                                                      

                                                      












                                                                                        
                                                        













                                                        
                                          














                                                             
                                                 







                                                                           

                                                    












                                                                     

                                                        

















































                                                                         
                                                










                                                                 
                                                  




























                                                                            

                                                    





























































































                                                                                  
                                             











































































































                                                                        


                                                                         




















































































                                                                             


































































































































































































































































































































































































































                                                                                 
                                                    























                                                                       
                                                 
























                                                                       
                                                       





























                                                                       
                                                                   

















                                                                       
                                                                           




















                                                                       
                                                   
























                                                                       
                                                                 
























                                                                            
                                                         
























                                                                       
                                                             





















                                                                         
                                                               


















                                                                      
                                                               























                                                                       
                                                         

































                                                                       
                                                           

























                                                                       
                                                               

















                                                                 
                                                        












                                                                      
                                                             












                                                                      

                                                      






























































































































                                                                             


                                                             




















                                                                     
                                                               




















                                                                             
/*
 * e-web-view-gtkhtml.c
 *
 * 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 of the License, or (at your option) version 3.
 *
 * 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-web-view-gtkhtml.h"

#include <string.h>
#include <glib/gi18n-lib.h>

#include <camel/camel.h>
#include <libebackend/libebackend.h>

#include "e-alert-dialog.h"
#include "e-alert-sink.h"
#include "e-misc-utils.h"
#include "e-plugin-ui.h"
#include "e-popup-action.h"
#include "e-selectable.h"

#define E_WEB_VIEW_GTKHTML_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_WEB_VIEW_GTKHTML, EWebViewGtkHTMLPrivate))

typedef struct _EWebViewGtkHTMLRequest EWebViewGtkHTMLRequest;

struct _EWebViewGtkHTMLPrivate {
    GList *requests;
    GtkUIManager *ui_manager;
    gchar *selected_uri;
    GdkPixbufAnimation *cursor_image;

    GtkAction *open_proxy;
    GtkAction *print_proxy;
    GtkAction *save_as_proxy;

    GtkTargetList *copy_target_list;
    GtkTargetList *paste_target_list;

    /* Lockdown Options */
    guint disable_printing     : 1;
    guint disable_save_to_disk : 1;
};

struct _EWebViewGtkHTMLRequest {
    GFile *file;
    EWebViewGtkHTML *web_view;
    GCancellable *cancellable;
    GInputStream *input_stream;
    GtkHTMLStream *output_stream;
    gchar buffer[4096];
};

enum {
    PROP_0,
    PROP_ANIMATE,
    PROP_CARET_MODE,
    PROP_COPY_TARGET_LIST,
    PROP_DISABLE_PRINTING,
    PROP_DISABLE_SAVE_TO_DISK,
    PROP_EDITABLE,
    PROP_INLINE_SPELLING,
    PROP_MAGIC_LINKS,
    PROP_MAGIC_SMILEYS,
    PROP_OPEN_PROXY,
    PROP_PASTE_TARGET_LIST,
    PROP_PRINT_PROXY,
    PROP_SAVE_AS_PROXY,
    PROP_SELECTED_URI,
    PROP_CURSOR_IMAGE
};

enum {
    COPY_CLIPBOARD,
    CUT_CLIPBOARD,
    PASTE_CLIPBOARD,
    POPUP_EVENT,
    STATUS_MESSAGE,
    STOP_LOADING,
    UPDATE_ACTIONS,
    PROCESS_MAILTO,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

static const gchar *ui =
"<ui>"
"  <popup name='context'>"
"    <menuitem action='copy-clipboard'/>"
"    <separator/>"
"    <placeholder name='custom-actions-1'>"
"      <menuitem action='open'/>"
"      <menuitem action='save-as'/>"
"      <menuitem action='http-open'/>"
"      <menuitem action='send-message'/>"
"      <menuitem action='print'/>"
"    </placeholder>"
"    <placeholder name='custom-actions-2'>"
"      <menuitem action='uri-copy'/>"
"      <menuitem action='mailto-copy'/>"
"      <menuitem action='image-copy'/>"
"    </placeholder>"
"    <placeholder name='custom-actions-3'/>"
"    <separator/>"
"    <menuitem action='select-all'/>"
"  </popup>"
"</ui>";

/* Forward Declarations */
static void e_web_view_gtkhtml_alert_sink_init (EAlertSinkInterface *interface);
static void e_web_view_gtkhtml_selectable_init (ESelectableInterface *interface);

G_DEFINE_TYPE_WITH_CODE (
    EWebViewGtkHTML,
    e_web_view_gtkhtml,
    GTK_TYPE_HTML,
    G_IMPLEMENT_INTERFACE (
        E_TYPE_EXTENSIBLE, NULL)
    G_IMPLEMENT_INTERFACE (
        E_TYPE_ALERT_SINK,
        e_web_view_gtkhtml_alert_sink_init)
    G_IMPLEMENT_INTERFACE (
        E_TYPE_SELECTABLE,
        e_web_view_gtkhtml_selectable_init))

static EWebViewGtkHTMLRequest *
web_view_gtkhtml_request_new (EWebViewGtkHTML *web_view,
                              const gchar *uri,
                              GtkHTMLStream *stream)
{
    EWebViewGtkHTMLRequest *request;
    GList *list;

    request = g_slice_new (EWebViewGtkHTMLRequest);

    /* Try to detect file paths posing as URIs. */
    if (*uri == '/')
        request->file = g_file_new_for_path (uri);
    else
        request->file = g_file_new_for_uri (uri);

    request->web_view = g_object_ref (web_view);
    request->cancellable = g_cancellable_new ();
    request->input_stream = NULL;
    request->output_stream = stream;

    list = request->web_view->priv->requests;
    list = g_list_prepend (list, request);
    request->web_view->priv->requests = list;

    return request;
}

static void
web_view_gtkhtml_request_free (EWebViewGtkHTMLRequest *request)
{
    GList *list;

    list = request->web_view->priv->requests;
    list = g_list_remove (list, request);
    request->web_view->priv->requests = list;

    g_object_unref (request->file);
    g_object_unref (request->web_view);
    g_object_unref (request->cancellable);

    if (request->input_stream != NULL)
        g_object_unref (request->input_stream);

    g_slice_free (EWebViewGtkHTMLRequest, request);
}

static void
web_view_gtkhtml_request_cancel (EWebViewGtkHTMLRequest *request)
{
    g_cancellable_cancel (request->cancellable);
}

static gboolean
web_view_gtkhtml_request_check_for_error (EWebViewGtkHTMLRequest *request,
                                          GError *error)
{
    GtkHTML *html;
    GtkHTMLStream *stream;

    if (error == NULL)
        return FALSE;

    if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED)) {
        /* use this error, but do not close the stream */
        g_error_free (error);
        return TRUE;
    }

    /* XXX Should we log errors that are not cancellations? */

    html = GTK_HTML (request->web_view);
    stream = request->output_stream;

    gtk_html_end (html, stream, GTK_HTML_STREAM_ERROR);
    web_view_gtkhtml_request_free (request);
    g_error_free (error);

    return TRUE;
}

static void
web_view_gtkhtml_request_stream_read_cb (GInputStream *input_stream,
                                         GAsyncResult *result,
                                         EWebViewGtkHTMLRequest *request)
{
    gssize bytes_read;
    GError *error = NULL;

    bytes_read = g_input_stream_read_finish (input_stream, result, &error);

    if (web_view_gtkhtml_request_check_for_error (request, error))
        return;

    if (bytes_read == 0) {
        gtk_html_end (
            GTK_HTML (request->web_view),
            request->output_stream, GTK_HTML_STREAM_OK);
        web_view_gtkhtml_request_free (request);
        return;
    }

    gtk_html_write (
        GTK_HTML (request->web_view),
        request->output_stream, request->buffer, bytes_read);

    g_input_stream_read_async (
        request->input_stream, request->buffer,
        sizeof (request->buffer), G_PRIORITY_DEFAULT,
        request->cancellable, (GAsyncReadyCallback)
        web_view_gtkhtml_request_stream_read_cb, request);
}

static void
web_view_gtkhtml_request_read_cb (GFile *file,
                                  GAsyncResult *result,
                                  EWebViewGtkHTMLRequest *request)
{
    GFileInputStream *input_stream;
    GError *error = NULL;

    /* Input stream might be NULL, so don't use cast macro. */
    input_stream = g_file_read_finish (file, result, &error);
    request->input_stream = (GInputStream *) input_stream;

    if (web_view_gtkhtml_request_check_for_error (request, error))
        return;

    g_input_stream_read_async (
        request->input_stream, request->buffer,
        sizeof (request->buffer), G_PRIORITY_DEFAULT,
        request->cancellable, (GAsyncReadyCallback)
        web_view_gtkhtml_request_stream_read_cb, request);
}

static void
action_copy_clipboard_cb (GtkAction *action,
                          EWebViewGtkHTML *web_view)
{
    e_web_view_gtkhtml_copy_clipboard (web_view);
}

static void
action_http_open_cb (GtkAction *action,
                     EWebViewGtkHTML *web_view)
{
    const gchar *uri;
    gpointer parent;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (web_view));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    uri = e_web_view_gtkhtml_get_selected_uri (web_view);
    g_return_if_fail (uri != NULL);

    e_show_uri (parent, uri);
}

static void
action_mailto_copy_cb (GtkAction *action,
                       EWebViewGtkHTML *web_view)
{
    CamelURL *curl;
    CamelInternetAddress *inet_addr;
    GtkClipboard *clipboard;
    const gchar *uri;
    gchar *text;

    uri = e_web_view_gtkhtml_get_selected_uri (web_view);
    g_return_if_fail (uri != NULL);

    /* This should work because we checked it in update_actions(). */
    curl = camel_url_new (uri, NULL);
    g_return_if_fail (curl != NULL);

    inet_addr = camel_internet_address_new ();
    camel_address_decode (CAMEL_ADDRESS (inet_addr), curl->path);
    text = camel_address_format (CAMEL_ADDRESS (inet_addr));
    if (text == NULL || *text == '\0')
        text = g_strdup (uri + strlen ("mailto:"));

    g_object_unref (inet_addr);
    camel_url_free (curl);

    clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
    gtk_clipboard_set_text (clipboard, text, -1);
    gtk_clipboard_store (clipboard);

    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
    gtk_clipboard_set_text (clipboard, text, -1);
    gtk_clipboard_store (clipboard);

    g_free (text);
}

static void
action_select_all_cb (GtkAction *action,
                      EWebViewGtkHTML *web_view)
{
    e_web_view_gtkhtml_select_all (web_view);
}

static void
action_send_message_cb (GtkAction *action,
                        EWebViewGtkHTML *web_view)
{
    const gchar *uri;
    gpointer parent;
    gboolean handled;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (web_view));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    uri = e_web_view_gtkhtml_get_selected_uri (web_view);
    g_return_if_fail (uri != NULL);

    handled = FALSE;
    g_signal_emit (web_view, signals[PROCESS_MAILTO], 0, uri, &handled);

    if (!handled)
        e_show_uri (parent, uri);
}

static void
action_uri_copy_cb (GtkAction *action,
                    EWebViewGtkHTML *web_view)
{
    GtkClipboard *clipboard;
    const gchar *uri;

    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
    uri = e_web_view_gtkhtml_get_selected_uri (web_view);
    g_return_if_fail (uri != NULL);

    gtk_clipboard_set_text (clipboard, uri, -1);
    gtk_clipboard_store (clipboard);
}

static void
action_image_copy_cb (GtkAction *action,
                      EWebViewGtkHTML *web_view)
{
    GtkClipboard *clipboard;
    GdkPixbufAnimation *animation;
    GdkPixbuf *pixbuf;

    clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
    animation = e_web_view_gtkhtml_get_cursor_image (web_view);
    g_return_if_fail (animation != NULL);

    pixbuf = gdk_pixbuf_animation_get_static_image (animation);
    if (!pixbuf)
        return;

    gtk_clipboard_set_image (clipboard, pixbuf);
    gtk_clipboard_store (clipboard);
}

static GtkActionEntry uri_entries[] = {

    { "uri-copy",
      GTK_STOCK_COPY,
      N_("_Copy Link Location"),
      NULL,
      N_("Copy the link to the clipboard"),
      G_CALLBACK (action_uri_copy_cb) }
};

static GtkActionEntry http_entries[] = {

    { "http-open",
      "emblem-web",
      N_("_Open Link in Browser"),
      NULL,
      N_("Open the link in a web browser"),
      G_CALLBACK (action_http_open_cb) }
};

static GtkActionEntry mailto_entries[] = {

    { "mailto-copy",
      GTK_STOCK_COPY,
      N_("_Copy Email Address"),
      NULL,
      N_("Copy the email address to the clipboard"),
      G_CALLBACK (action_mailto_copy_cb) },

    { "send-message",
      "mail-message-new",
      N_("_Send New Message To..."),
      NULL,
      N_("Send a mail message to this address"),
      G_CALLBACK (action_send_message_cb) }
};

static GtkActionEntry image_entries[] = {

    { "image-copy",
      GTK_STOCK_COPY,
      N_("_Copy Image"),
      NULL,
      N_("Copy the image to the clipboard"),
      G_CALLBACK (action_image_copy_cb) }
};

static GtkActionEntry selection_entries[] = {

    { "copy-clipboard",
      GTK_STOCK_COPY,
      NULL,
      NULL,
      N_("Copy the selection"),
      G_CALLBACK (action_copy_clipboard_cb) },
};

static GtkActionEntry standard_entries[] = {

    { "select-all",
      GTK_STOCK_SELECT_ALL,
      NULL,
      NULL,
      N_("Select all text and images"),
      G_CALLBACK (action_select_all_cb) }
};

static gboolean
web_view_gtkhtml_button_press_event_cb (EWebViewGtkHTML *web_view,
                                        GdkEventButton *event,
                                        GtkHTML *frame)
{
    gboolean event_handled = FALSE;
    gchar *uri = NULL;

    if (event) {
        GdkPixbufAnimation *anim;

        if (frame == NULL)
            frame = GTK_HTML (web_view);

        anim = gtk_html_get_image_at (frame, event->x, event->y);
        e_web_view_gtkhtml_set_cursor_image (web_view, anim);
        if (anim != NULL)
            g_object_unref (anim);
    }

    if (event != NULL && event->button != 3)
        return FALSE;

    /* Only extract a URI if no selection is active.  Selected text
     * implies the user is more likely to want to copy the selection
     * to the clipboard than open a link within the selection. */
    if (!e_web_view_gtkhtml_is_selection_active (web_view))
        uri = e_web_view_gtkhtml_extract_uri (web_view, event, frame);

    if (uri != NULL && g_str_has_prefix (uri, "##")) {
        g_free (uri);
        return FALSE;
    }

    g_signal_emit (
        web_view, signals[POPUP_EVENT], 0,
        event, uri, &event_handled);

    g_free (uri);

    return event_handled;
}

static void
web_view_gtkhtml_menu_item_select_cb (EWebViewGtkHTML *web_view,
                                      GtkWidget *widget)
{
    GtkAction *action;
    GtkActivatable *activatable;
    const gchar *tooltip;

    activatable = GTK_ACTIVATABLE (widget);
    action = gtk_activatable_get_related_action (activatable);
    tooltip = gtk_action_get_tooltip (action);

    if (tooltip == NULL)
        return;

    e_web_view_gtkhtml_status_message (web_view, tooltip);
}

static void
web_view_gtkhtml_menu_item_deselect_cb (EWebViewGtkHTML *web_view)
{
    e_web_view_gtkhtml_status_message (web_view, NULL);
}

static void
web_view_gtkhtml_connect_proxy_cb (EWebViewGtkHTML *web_view,
                                   GtkAction *action,
                                   GtkWidget *proxy)
{
    if (!GTK_IS_MENU_ITEM (proxy))
        return;

    g_signal_connect_swapped (
        proxy, "select",
        G_CALLBACK (web_view_gtkhtml_menu_item_select_cb), web_view);

    g_signal_connect_swapped (
        proxy, "deselect",
        G_CALLBACK (web_view_gtkhtml_menu_item_deselect_cb), web_view);
}

static void
web_view_gtkhtml_set_property (GObject *object,
                               guint property_id,
                               const GValue *value,
                               GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ANIMATE:
            e_web_view_gtkhtml_set_animate (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_CARET_MODE:
            e_web_view_gtkhtml_set_caret_mode (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_DISABLE_PRINTING:
            e_web_view_gtkhtml_set_disable_printing (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_DISABLE_SAVE_TO_DISK:
            e_web_view_gtkhtml_set_disable_save_to_disk (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_EDITABLE:
            e_web_view_gtkhtml_set_editable (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_INLINE_SPELLING:
            e_web_view_gtkhtml_set_inline_spelling (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_MAGIC_LINKS:
            e_web_view_gtkhtml_set_magic_links (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_MAGIC_SMILEYS:
            e_web_view_gtkhtml_set_magic_smileys (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_boolean (value));
            return;

        case PROP_OPEN_PROXY:
            e_web_view_gtkhtml_set_open_proxy (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_object (value));
            return;

        case PROP_PRINT_PROXY:
            e_web_view_gtkhtml_set_print_proxy (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_object (value));
            return;

        case PROP_SAVE_AS_PROXY:
            e_web_view_gtkhtml_set_save_as_proxy (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_object (value));
            return;

        case PROP_SELECTED_URI:
            e_web_view_gtkhtml_set_selected_uri (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_string (value));
            return;
        case PROP_CURSOR_IMAGE:
            e_web_view_gtkhtml_set_cursor_image (
                E_WEB_VIEW_GTKHTML (object),
                g_value_get_object (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
web_view_gtkhtml_get_property (GObject *object,
                               guint property_id,
                               GValue *value,
                               GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_ANIMATE:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_animate (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_CARET_MODE:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_caret_mode (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_COPY_TARGET_LIST:
            g_value_set_boxed (
                value, e_web_view_gtkhtml_get_copy_target_list (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_DISABLE_PRINTING:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_disable_printing (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_DISABLE_SAVE_TO_DISK:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_disable_save_to_disk (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_EDITABLE:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_editable (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_INLINE_SPELLING:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_inline_spelling (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_MAGIC_LINKS:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_magic_links (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_MAGIC_SMILEYS:
            g_value_set_boolean (
                value, e_web_view_gtkhtml_get_magic_smileys (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_OPEN_PROXY:
            g_value_set_object (
                value, e_web_view_gtkhtml_get_open_proxy (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_PASTE_TARGET_LIST:
            g_value_set_boxed (
                value, e_web_view_gtkhtml_get_paste_target_list (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_PRINT_PROXY:
            g_value_set_object (
                value, e_web_view_gtkhtml_get_print_proxy (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_SAVE_AS_PROXY:
            g_value_set_object (
                value, e_web_view_gtkhtml_get_save_as_proxy (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_SELECTED_URI:
            g_value_set_string (
                value, e_web_view_gtkhtml_get_selected_uri (
                E_WEB_VIEW_GTKHTML (object)));
            return;

        case PROP_CURSOR_IMAGE:
            g_value_set_object (
                value, e_web_view_gtkhtml_get_cursor_image (
                E_WEB_VIEW_GTKHTML (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
web_view_gtkhtml_dispose (GObject *object)
{
    EWebViewGtkHTMLPrivate *priv;

    priv = E_WEB_VIEW_GTKHTML_GET_PRIVATE (object);

    if (priv->ui_manager != NULL) {
        g_object_unref (priv->ui_manager);
        priv->ui_manager = NULL;
    }

    if (priv->open_proxy != NULL) {
        g_object_unref (priv->open_proxy);
        priv->open_proxy = NULL;
    }

    if (priv->print_proxy != NULL) {
        g_object_unref (priv->print_proxy);
        priv->print_proxy = NULL;
    }

    if (priv->save_as_proxy != NULL) {
        g_object_unref (priv->save_as_proxy);
        priv->save_as_proxy = NULL;
    }

    if (priv->copy_target_list != NULL) {
        gtk_target_list_unref (priv->copy_target_list);
        priv->copy_target_list = NULL;
    }

    if (priv->paste_target_list != NULL) {
        gtk_target_list_unref (priv->paste_target_list);
        priv->paste_target_list = NULL;
    }

    if (priv->cursor_image != NULL) {
        g_object_unref (priv->cursor_image);
        priv->cursor_image = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_web_view_gtkhtml_parent_class)->dispose (object);
}

static void
web_view_gtkhtml_finalize (GObject *object)
{
    EWebViewGtkHTMLPrivate *priv;

    priv = E_WEB_VIEW_GTKHTML_GET_PRIVATE (object);

    /* All URI requests should be complete or cancelled by now. */
    if (priv->requests != NULL)
        g_warning ("Finalizing EWebViewGtkHTML with active URI requests");

    g_free (priv->selected_uri);

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (e_web_view_gtkhtml_parent_class)->finalize (object);
}

static void
web_view_gtkhtml_constructed (GObject *object)
{
#ifndef G_OS_WIN32
    GSettings *settings;

    settings = g_settings_new ("org.gnome.desktop.lockdown");

    g_settings_bind (
        settings, "disable-printing",
        object, "disable-printing",
        G_SETTINGS_BIND_GET);

    g_settings_bind (
        settings, "disable-save-to-disk",
        object, "disable-save-to-disk",
        G_SETTINGS_BIND_GET);

    g_object_unref (settings);
#endif

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_web_view_gtkhtml_parent_class)->constructed (object);
}

static gboolean
web_view_gtkhtml_button_press_event (GtkWidget *widget,
                                     GdkEventButton *event)
{
    GtkWidgetClass *widget_class;
    EWebViewGtkHTML *web_view;

    web_view = E_WEB_VIEW_GTKHTML (widget);

    if (web_view_gtkhtml_button_press_event_cb (web_view, event, NULL))
        return TRUE;

    /* Chain up to parent's button_press_event() method. */
    widget_class = GTK_WIDGET_CLASS (e_web_view_gtkhtml_parent_class);
    return widget_class->button_press_event (widget, event);
}

static gboolean
web_view_gtkhtml_scroll_event (GtkWidget *widget,
                               GdkEventScroll *event)
{
    if (event->state & GDK_CONTROL_MASK) {
        GdkScrollDirection direction = event->direction;

        #if GTK_CHECK_VERSION(3,3,18)
        if (direction == GDK_SCROLL_SMOOTH) {
            static gdouble total_delta_y = 0.0;

            total_delta_y += event->delta_y;

            if (total_delta_y >= 1.0) {
                total_delta_y = 0.0;
                direction = GDK_SCROLL_DOWN;
            } else if (total_delta_y <= -1.0) {
                total_delta_y = 0.0;
                direction = GDK_SCROLL_UP;
            } else {
                return FALSE;
            }
        }
        #endif

        switch (direction) {
            case GDK_SCROLL_UP:
                gtk_html_zoom_in (GTK_HTML (widget));
                return TRUE;
            case GDK_SCROLL_DOWN:
                gtk_html_zoom_out (GTK_HTML (widget));
                return TRUE;
            default:
                break;
        }
    }

    return FALSE;
}

static void
web_view_gtkhtml_url_requested (GtkHTML *html,
                                const gchar *uri,
                                GtkHTMLStream *stream)
{
    EWebViewGtkHTMLRequest *request;

    request = web_view_gtkhtml_request_new (E_WEB_VIEW_GTKHTML (html), uri, stream);

    g_file_read_async (
        request->file, G_PRIORITY_DEFAULT,
        request->cancellable, (GAsyncReadyCallback)
        web_view_gtkhtml_request_read_cb, request);
}

static void
web_view_gtkhtml_gtkhtml_link_clicked (GtkHTML *html,
                                       const gchar *uri)
{
    EWebViewGtkHTMLClass *class;
    EWebViewGtkHTML *web_view;

    web_view = E_WEB_VIEW_GTKHTML (html);

    class = E_WEB_VIEW_GTKHTML_GET_CLASS (web_view);
    g_return_if_fail (class->link_clicked != NULL);

    class->link_clicked (web_view, uri);
}

static void
web_view_gtkhtml_on_url (GtkHTML *html,
                         const gchar *uri)
{
    EWebViewGtkHTMLClass *class;
    EWebViewGtkHTML *web_view;

    web_view = E_WEB_VIEW_GTKHTML (html);

    class = E_WEB_VIEW_GTKHTML_GET_CLASS (web_view);
    g_return_if_fail (class->hovering_over_link != NULL);

    /* XXX WebKit would supply a title here. */
    class->hovering_over_link (web_view, NULL, uri);
}

static void
web_view_gtkhtml_iframe_created (GtkHTML *html,
                                 GtkHTML *iframe)
{
    g_signal_connect_swapped (
        iframe, "button-press-event",
        G_CALLBACK (web_view_gtkhtml_button_press_event_cb), html);
}

static gchar *
web_view_gtkhtml_extract_uri (EWebViewGtkHTML *web_view,
                              GdkEventButton *event,
                              GtkHTML *html)
{
    gchar *uri;

    if (event != NULL)
        uri = gtk_html_get_url_at (html, event->x, event->y);
    else
        uri = gtk_html_get_cursor_url (html);

    return uri;
}

static void
web_view_gtkhtml_hovering_over_link (EWebViewGtkHTML *web_view,
                                     const gchar *title,
                                     const gchar *uri)
{
    CamelInternetAddress *address;
    CamelURL *curl;
    const gchar *format = NULL;
    gchar *message = NULL;
    gchar *who;

    if (uri == NULL || *uri == '\0')
        goto exit;

    if (g_str_has_prefix (uri, "mailto:"))
        format = _("Click to mail %s");
    else if (g_str_has_prefix (uri, "callto:"))
        format = _("Click to call %s");
    else if (g_str_has_prefix (uri, "h323:"))
        format = _("Click to call %s");
    else if (g_str_has_prefix (uri, "sip:"))
        format = _("Click to call %s");
    else if (g_str_has_prefix (uri, "##"))
        message = g_strdup (_("Click to hide/unhide addresses"));
    else
        message = g_strdup_printf (_("Click to open %s"), uri);

    if (format == NULL)
        goto exit;

    /* XXX Use something other than Camel here.  Surely
     *     there's other APIs around that can do this. */
    curl = camel_url_new (uri, NULL);
    address = camel_internet_address_new ();
    camel_address_decode (CAMEL_ADDRESS (address), curl->path);
    who = camel_address_format (CAMEL_ADDRESS (address));
    g_object_unref (address);
    camel_url_free (curl);

    if (who == NULL)
        who = g_strdup (strchr (uri, ':') + 1);

    message = g_strdup_printf (format, who);

    g_free (who);

exit:
    e_web_view_gtkhtml_status_message (web_view, message);

    g_free (message);
}

static void
web_view_gtkhtml_link_clicked (EWebViewGtkHTML *web_view,
                               const gchar *uri)
{
    gpointer parent;

    parent = gtk_widget_get_toplevel (GTK_WIDGET (web_view));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    e_show_uri (parent, uri);
}

static void
web_view_gtkhtml_load_string (EWebViewGtkHTML *web_view,
                              const gchar *string)
{
    if (string != NULL && *string != '\0')
        gtk_html_load_from_string (GTK_HTML (web_view), string, -1);
    else
        e_web_view_gtkhtml_clear (web_view);
}

static void
web_view_gtkhtml_copy_clipboard (EWebViewGtkHTML *web_view)
{
    gtk_html_command (GTK_HTML (web_view), "copy");
}

static void
web_view_gtkhtml_cut_clipboard (EWebViewGtkHTML *web_view)
{
    if (e_web_view_gtkhtml_get_editable (web_view))
        gtk_html_command (GTK_HTML (web_view), "cut");
}

static void
web_view_gtkhtml_paste_clipboard (EWebViewGtkHTML *web_view)
{
    if (e_web_view_gtkhtml_get_editable (web_view))
        gtk_html_command (GTK_HTML (web_view), "paste");
}

static gboolean
web_view_gtkhtml_popup_event (EWebViewGtkHTML *web_view,
                              GdkEventButton *event,
                              const gchar *uri)
{
    e_web_view_gtkhtml_set_selected_uri (web_view, uri);
    e_web_view_gtkhtml_show_popup_menu (web_view, event, NULL, NULL);

    return TRUE;
}

static void
web_view_gtkhtml_stop_loading (EWebViewGtkHTML *web_view)
{
    g_list_foreach (
        web_view->priv->requests, (GFunc)
        web_view_gtkhtml_request_cancel, NULL);

    gtk_html_stop (GTK_HTML (web_view));
}

static void
web_view_gtkhtml_update_actions (EWebViewGtkHTML *web_view)
{
    GtkActionGroup *action_group;
    gboolean have_selection;
    gboolean scheme_is_http = FALSE;
    gboolean scheme_is_mailto = FALSE;
    gboolean uri_is_valid = FALSE;
    gboolean has_cursor_image;
    gboolean visible;
    const gchar *group_name;
    const gchar *uri;

    uri = e_web_view_gtkhtml_get_selected_uri (web_view);
    have_selection = e_web_view_gtkhtml_is_selection_active (web_view);
    has_cursor_image = e_web_view_gtkhtml_get_cursor_image (web_view) != NULL;

    /* Parse the URI early so we know if the actions will work. */
    if (uri != NULL) {
        CamelURL *curl;

        curl = camel_url_new (uri, NULL);
        uri_is_valid = (curl != NULL);
        camel_url_free (curl);

        scheme_is_http =
            (g_ascii_strncasecmp (uri, "http:", 5) == 0) ||
            (g_ascii_strncasecmp (uri, "https:", 6) == 0);

        scheme_is_mailto =
            (g_ascii_strncasecmp (uri, "mailto:", 7) == 0);
    }

    /* Allow copying the URI even if it's malformed. */
    group_name = "uri";
    visible = (uri != NULL) && !scheme_is_mailto;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "http";
    visible = uri_is_valid && scheme_is_http;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "mailto";
    visible = uri_is_valid && scheme_is_mailto;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "image";
    visible = has_cursor_image;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "selection";
    visible = have_selection;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "standard";
    visible = (uri == NULL);
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "lockdown-printing";
    visible = (uri == NULL) && !web_view->priv->disable_printing;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);

    group_name = "lockdown-save-to-disk";
    visible = (uri == NULL) && !web_view->priv->disable_save_to_disk;
    action_group = e_web_view_gtkhtml_get_action_group (web_view, group_name);
    gtk_action_group_set_visible (action_group, visible);
}

static void
web_view_gtkhtml_submit_alert (EAlertSink *alert_sink,
                               EAlert *alert)
{
    GtkIconInfo *icon_info;
    EWebViewGtkHTML *web_view;
    GtkWidget *dialog;
    GString *buffer;
    const gchar *icon_name = NULL;
    const gchar *filename;
    gpointer parent;
    gchar *icon_uri;
    gint size = 0;
    GError *error = NULL;

    web_view = E_WEB_VIEW_GTKHTML (alert_sink);

    parent = gtk_widget_get_toplevel (GTK_WIDGET (web_view));
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    /* We use equivalent named icons instead of stock IDs,
     * since it's easier to get the filename of the icon. */
    switch (e_alert_get_message_type (alert)) {
        case GTK_MESSAGE_INFO:
            icon_name = "dialog-information";
            break;

        case GTK_MESSAGE_WARNING:
            icon_name = "dialog-warning";
            break;

        case GTK_MESSAGE_ERROR:
            icon_name = "dialog-error";
            break;

        default:
            dialog = e_alert_dialog_new (parent, alert);
            gtk_dialog_run (GTK_DIALOG (dialog));
            gtk_widget_destroy (dialog);
            return;
    }

    gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &size, NULL);

    icon_info = gtk_icon_theme_lookup_icon (
        gtk_icon_theme_get_default (),
        icon_name, size, GTK_ICON_LOOKUP_NO_SVG);
    g_return_if_fail (icon_info != NULL);

    filename = gtk_icon_info_get_filename (icon_info);
    icon_uri = g_filename_to_uri (filename, NULL, &error);

    if (error != NULL) {
        g_warning ("%s", error->message);
        g_clear_error (&error);
    }

    buffer = g_string_sized_new (512);

    g_string_append (
        buffer,
        "<html>"
        "<head>"
        "<meta http-equiv=\"content-type\""
        " content=\"text/html; charset=utf-8\">"
        "</head>"
        "<body>");

    g_string_append (
        buffer,
        "<table bgcolor='#000000' width='100%'"
        " cellpadding='1' cellspacing='0'>"
        "<tr>"
        "<td>"
        "<table bgcolor='#dddddd' width='100%' cellpadding='6'>"
        "<tr>");

    g_string_append_printf (
        buffer,
        "<tr>"
        "<td valign='top'>"
        "<img src='%s'/>"
        "</td>"
        "<td align='left' width='100%%'>"
        "<h3>%s</h3>"
        "%s"
        "</td>"
        "</tr>",
        icon_uri,
        e_alert_get_primary_text (alert),
        e_alert_get_secondary_text (alert));

    g_string_append (
        buffer,
        "</table>"
        "</td>"
        "</tr>"
        "</table>"
        "</body>"
        "</html>");

    e_web_view_gtkhtml_load_string (web_view, buffer->str);

    g_string_free (buffer, TRUE);

    gtk_icon_info_free (icon_info);
    g_free (icon_uri);
}

static void
web_view_gtkhtml_selectable_update_actions (ESelectable *selectable,
                                            EFocusTracker *focus_tracker,
                                            GdkAtom *clipboard_targets,
                                            gint n_clipboard_targets)
{
    EWebViewGtkHTML *web_view;
    GtkAction *action;
    /*GtkTargetList *target_list;*/
    gboolean can_paste = FALSE;
    gboolean editable;
    gboolean have_selection;
    gboolean sensitive;
    const gchar *tooltip;
    /*gint ii;*/

    web_view = E_WEB_VIEW_GTKHTML (selectable);
    editable = e_web_view_gtkhtml_get_editable (web_view);
    have_selection = e_web_view_gtkhtml_is_selection_active (web_view);

    /* XXX GtkHtml implements its own clipboard instead of using
     *     GDK_SELECTION_CLIPBOARD, so we don't get notifications
     *     when the clipboard contents change.  The logic below
     *     is what we would do if GtkHtml worked properly.
     *     Instead, we need to keep the Paste action sensitive so
     *     its accelerator overrides GtkHtml's key binding. */
#if 0
    target_list = e_selectable_get_paste_target_list (selectable);
    for (ii = 0; ii < n_clipboard_targets && !can_paste; ii++)
        can_paste = gtk_target_list_find (
            target_list, clipboard_targets[ii], NULL);
#endif
    can_paste = TRUE;

    action = e_focus_tracker_get_cut_clipboard_action (focus_tracker);
    sensitive = editable && have_selection;
    tooltip = _("Cut the selection");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_copy_clipboard_action (focus_tracker);
    sensitive = have_selection;
    tooltip = _("Copy the selection");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_paste_clipboard_action (focus_tracker);
    sensitive = editable && can_paste;
    tooltip = _("Paste the clipboard");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);

    action = e_focus_tracker_get_select_all_action (focus_tracker);
    sensitive = TRUE;
    tooltip = _("Select all text and images");
    gtk_action_set_sensitive (action, sensitive);
    gtk_action_set_tooltip (action, tooltip);
}

static void
web_view_gtkhtml_selectable_cut_clipboard (ESelectable *selectable)
{
    e_web_view_gtkhtml_cut_clipboard (E_WEB_VIEW_GTKHTML (selectable));
}

static void
web_view_gtkhtml_selectable_copy_clipboard (ESelectable *selectable)
{
    e_web_view_gtkhtml_copy_clipboard (E_WEB_VIEW_GTKHTML (selectable));
}

static void
web_view_gtkhtml_selectable_paste_clipboard (ESelectable *selectable)
{
    e_web_view_gtkhtml_paste_clipboard (E_WEB_VIEW_GTKHTML (selectable));
}

static void
web_view_gtkhtml_selectable_select_all (ESelectable *selectable)
{
    e_web_view_gtkhtml_select_all (E_WEB_VIEW_GTKHTML (selectable));
}

static void
e_web_view_gtkhtml_class_init (EWebViewGtkHTMLClass *class)
{
    GObjectClass *object_class;
    GtkWidgetClass *widget_class;
    GtkHTMLClass *html_class;

    g_type_class_add_private (class, sizeof (EWebViewGtkHTMLPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = web_view_gtkhtml_set_property;
    object_class->get_property = web_view_gtkhtml_get_property;
    object_class->dispose = web_view_gtkhtml_dispose;
    object_class->finalize = web_view_gtkhtml_finalize;
    object_class->constructed = web_view_gtkhtml_constructed;

    widget_class = GTK_WIDGET_CLASS (class);
    widget_class->button_press_event = web_view_gtkhtml_button_press_event;
    widget_class->scroll_event = web_view_gtkhtml_scroll_event;

    html_class = GTK_HTML_CLASS (class);
    html_class->url_requested = web_view_gtkhtml_url_requested;
    html_class->link_clicked = web_view_gtkhtml_gtkhtml_link_clicked;
    html_class->on_url = web_view_gtkhtml_on_url;
    html_class->iframe_created = web_view_gtkhtml_iframe_created;

    class->extract_uri = web_view_gtkhtml_extract_uri;
    class->hovering_over_link = web_view_gtkhtml_hovering_over_link;
    class->link_clicked = web_view_gtkhtml_link_clicked;
    class->load_string = web_view_gtkhtml_load_string;
    class->copy_clipboard = web_view_gtkhtml_copy_clipboard;
    class->cut_clipboard = web_view_gtkhtml_cut_clipboard;
    class->paste_clipboard = web_view_gtkhtml_paste_clipboard;
    class->popup_event = web_view_gtkhtml_popup_event;
    class->stop_loading = web_view_gtkhtml_stop_loading;
    class->update_actions = web_view_gtkhtml_update_actions;

    g_object_class_install_property (
        object_class,
        PROP_ANIMATE,
        g_param_spec_boolean (
            "animate",
            "Animate Images",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_CARET_MODE,
        g_param_spec_boolean (
            "caret-mode",
            "Caret Mode",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    /* Inherited from ESelectableInterface */
    g_object_class_override_property (
        object_class,
        PROP_COPY_TARGET_LIST,
        "copy-target-list");

    g_object_class_install_property (
        object_class,
        PROP_DISABLE_PRINTING,
        g_param_spec_boolean (
            "disable-printing",
            "Disable Printing",
            NULL,
            FALSE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT));

    g_object_class_install_property (
        object_class,
        PROP_DISABLE_SAVE_TO_DISK,
        g_param_spec_boolean (
            "disable-save-to-disk",
            "Disable Save-to-Disk",
            NULL,
            FALSE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT));

    g_object_class_install_property (
        object_class,
        PROP_EDITABLE,
        g_param_spec_boolean (
            "editable",
            "Editable",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_INLINE_SPELLING,
        g_param_spec_boolean (
            "inline-spelling",
            "Inline Spelling",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MAGIC_LINKS,
        g_param_spec_boolean (
            "magic-links",
            "Magic Links",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_MAGIC_SMILEYS,
        g_param_spec_boolean (
            "magic-smileys",
            "Magic Smileys",
            NULL,
            FALSE,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_OPEN_PROXY,
        g_param_spec_object (
            "open-proxy",
            "Open Proxy",
            NULL,
            GTK_TYPE_ACTION,
            G_PARAM_READWRITE));

    /* Inherited from ESelectableInterface */
    g_object_class_override_property (
        object_class,
        PROP_PASTE_TARGET_LIST,
        "paste-target-list");

    g_object_class_install_property (
        object_class,
        PROP_PRINT_PROXY,
        g_param_spec_object (
            "print-proxy",
            "Print Proxy",
            NULL,
            GTK_TYPE_ACTION,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_SAVE_AS_PROXY,
        g_param_spec_object (
            "save-as-proxy",
            "Save As Proxy",
            NULL,
            GTK_TYPE_ACTION,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_SELECTED_URI,
        g_param_spec_string (
            "selected-uri",
            "Selected URI",
            NULL,
            NULL,
            G_PARAM_READWRITE));

    g_object_class_install_property (
        object_class,
        PROP_CURSOR_IMAGE,
        g_param_spec_object (
            "cursor-image",
            "Image animation at the mouse cursor",
            NULL,
            GDK_TYPE_PIXBUF_ANIMATION,
            G_PARAM_READWRITE));

    signals[COPY_CLIPBOARD] = g_signal_new (
        "copy-clipboard",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, copy_clipboard),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[CUT_CLIPBOARD] = g_signal_new (
        "cut-clipboard",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, cut_clipboard),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[PASTE_CLIPBOARD] = g_signal_new (
        "paste-clipboard",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, paste_clipboard),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[POPUP_EVENT] = g_signal_new (
        "popup-event",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, popup_event),
        g_signal_accumulator_true_handled, NULL,
        e_marshal_BOOLEAN__BOXED_STRING,
        G_TYPE_BOOLEAN, 2,
        GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE,
        G_TYPE_STRING);

    signals[STATUS_MESSAGE] = g_signal_new (
        "status-message",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, status_message),
        NULL, NULL,
        g_cclosure_marshal_VOID__STRING,
        G_TYPE_NONE, 1,
        G_TYPE_STRING);

    signals[STOP_LOADING] = g_signal_new (
        "stop-loading",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, stop_loading),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    signals[UPDATE_ACTIONS] = g_signal_new (
        "update-actions",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, update_actions),
        NULL, NULL,
        g_cclosure_marshal_VOID__VOID,
        G_TYPE_NONE, 0);

    /* return TRUE when a signal handler processed the mailto URI */
    signals[PROCESS_MAILTO] = g_signal_new (
        "process-mailto",
        G_TYPE_FROM_CLASS (class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (EWebViewGtkHTMLClass, process_mailto),
        NULL, NULL,
        e_marshal_BOOLEAN__STRING,
        G_TYPE_BOOLEAN, 1, G_TYPE_STRING);
}

static void
e_web_view_gtkhtml_alert_sink_init (EAlertSinkInterface *interface)
{
    interface->submit_alert = web_view_gtkhtml_submit_alert;
}

static void
e_web_view_gtkhtml_selectable_init (ESelectableInterface *interface)
{
    interface->update_actions = web_view_gtkhtml_selectable_update_actions;
    interface->cut_clipboard = web_view_gtkhtml_selectable_cut_clipboard;
    interface->copy_clipboard = web_view_gtkhtml_selectable_copy_clipboard;
    interface->paste_clipboard = web_view_gtkhtml_selectable_paste_clipboard;
    interface->select_all = web_view_gtkhtml_selectable_select_all;
}

static void
e_web_view_gtkhtml_init (EWebViewGtkHTML *web_view)
{
    GtkUIManager *ui_manager;
    GtkActionGroup *action_group;
    GtkTargetList *target_list;
    EPopupAction *popup_action;
    const gchar *domain = GETTEXT_PACKAGE;
    const gchar *id;
    GError *error = NULL;

    web_view->priv = E_WEB_VIEW_GTKHTML_GET_PRIVATE (web_view);

    ui_manager = gtk_ui_manager_new ();
    web_view->priv->ui_manager = ui_manager;

    g_signal_connect_swapped (
        ui_manager, "connect-proxy",
        G_CALLBACK (web_view_gtkhtml_connect_proxy_cb), web_view);

    target_list = gtk_target_list_new (NULL, 0);
    web_view->priv->copy_target_list = target_list;

    target_list = gtk_target_list_new (NULL, 0);
    web_view->priv->paste_target_list = target_list;

    action_group = gtk_action_group_new ("uri");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, uri_entries,
        G_N_ELEMENTS (uri_entries), web_view);

    action_group = gtk_action_group_new ("http");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, http_entries,
        G_N_ELEMENTS (http_entries), web_view);

    action_group = gtk_action_group_new ("mailto");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, mailto_entries,
        G_N_ELEMENTS (mailto_entries), web_view);

    action_group = gtk_action_group_new ("image");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, image_entries,
        G_N_ELEMENTS (image_entries), web_view);

    action_group = gtk_action_group_new ("selection");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, selection_entries,
        G_N_ELEMENTS (selection_entries), web_view);

    action_group = gtk_action_group_new ("standard");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    gtk_action_group_add_actions (
        action_group, standard_entries,
        G_N_ELEMENTS (standard_entries), web_view);

    popup_action = e_popup_action_new ("open");
    gtk_action_group_add_action (action_group, GTK_ACTION (popup_action));
    g_object_unref (popup_action);

    g_object_bind_property (
        web_view, "open-proxy",
        popup_action, "related-action",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Support lockdown. */

    action_group = gtk_action_group_new ("lockdown-printing");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    popup_action = e_popup_action_new ("print");
    gtk_action_group_add_action (action_group, GTK_ACTION (popup_action));
    g_object_unref (popup_action);

    g_object_bind_property (
        web_view, "print-proxy",
        popup_action, "related-action",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    action_group = gtk_action_group_new ("lockdown-save-to-disk");
    gtk_action_group_set_translation_domain (action_group, domain);
    gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
    g_object_unref (action_group);

    popup_action = e_popup_action_new ("save-as");
    gtk_action_group_add_action (action_group, GTK_ACTION (popup_action));
    g_object_unref (popup_action);

    g_object_bind_property (
        web_view, "save-as-proxy",
        popup_action, "related-action",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Because we are loading from a hard-coded string, there is
     * no chance of I/O errors.  Failure here implies a malformed
     * UI definition.  Full stop. */
    gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error);
    if (error != NULL)
        g_error ("%s", error->message);

    id = "org.gnome.evolution.webview";
    e_plugin_ui_register_manager (ui_manager, id, web_view);
    e_plugin_ui_enable_manager (ui_manager, id);

    e_extensible_load_extensions (E_EXTENSIBLE (web_view));
}

GtkWidget *
e_web_view_gtkhtml_new (void)
{
    return g_object_new (E_TYPE_WEB_VIEW_GTKHTML, NULL);
}

void
e_web_view_gtkhtml_clear (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_load_empty (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_load_string (EWebViewGtkHTML *web_view,
                                const gchar *string)
{
    EWebViewGtkHTMLClass *class;

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    class = E_WEB_VIEW_GTKHTML_GET_CLASS (web_view);
    g_return_if_fail (class->load_string != NULL);

    class->load_string (web_view, string);
}

gboolean
e_web_view_gtkhtml_get_animate (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_animate(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_animate (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_animate (EWebViewGtkHTML *web_view,
                                gboolean animate)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_animate()
     *     so we can get a "notify::animate" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_animate (GTK_HTML (web_view), animate);

    g_object_notify (G_OBJECT (web_view), "animate");
}

gboolean
e_web_view_gtkhtml_get_caret_mode (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_caret_mode(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_caret_mode (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_caret_mode (EWebViewGtkHTML *web_view,
                                   gboolean caret_mode)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_caret_mode()
     *     so we can get a "notify::caret-mode" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_caret_mode (GTK_HTML (web_view), caret_mode);

    g_object_notify (G_OBJECT (web_view), "caret-mode");
}

GtkTargetList *
e_web_view_gtkhtml_get_copy_target_list (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    return web_view->priv->copy_target_list;
}

gboolean
e_web_view_gtkhtml_get_disable_printing (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return web_view->priv->disable_printing;
}

void
e_web_view_gtkhtml_set_disable_printing (EWebViewGtkHTML *web_view,
                                         gboolean disable_printing)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    web_view->priv->disable_printing = disable_printing;

    g_object_notify (G_OBJECT (web_view), "disable-printing");
}

gboolean
e_web_view_gtkhtml_get_disable_save_to_disk (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return web_view->priv->disable_save_to_disk;
}

void
e_web_view_gtkhtml_set_disable_save_to_disk (EWebViewGtkHTML *web_view,
                                             gboolean disable_save_to_disk)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    web_view->priv->disable_save_to_disk = disable_save_to_disk;

    g_object_notify (G_OBJECT (web_view), "disable-save-to-disk");
}

gboolean
e_web_view_gtkhtml_get_editable (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_editable(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_editable (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_editable (EWebViewGtkHTML *web_view,
                                 gboolean editable)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_editable()
     *     so we can get a "notify::editable" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_editable (GTK_HTML (web_view), editable);

    g_object_notify (G_OBJECT (web_view), "editable");
}

gboolean
e_web_view_gtkhtml_get_inline_spelling (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_inline_spelling(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_inline_spelling (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_inline_spelling (EWebViewGtkHTML *web_view,
                                        gboolean inline_spelling)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_inline_spelling()
     *     so we get a "notify::inline-spelling" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_inline_spelling (GTK_HTML (web_view), inline_spelling);

    g_object_notify (G_OBJECT (web_view), "inline-spelling");
}

gboolean
e_web_view_gtkhtml_get_magic_links (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_magic_links(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_magic_links (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_magic_links (EWebViewGtkHTML *web_view,
                                    gboolean magic_links)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_magic_links()
     *     so we can get a "notify::magic-links" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_magic_links (GTK_HTML (web_view), magic_links);

    g_object_notify (G_OBJECT (web_view), "magic-links");
}

gboolean
e_web_view_gtkhtml_get_magic_smileys (EWebViewGtkHTML *web_view)
{
    /* XXX This is just here to maintain symmetry
     *     with e_web_view_set_magic_smileys(). */

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_get_magic_smileys (GTK_HTML (web_view));
}

void
e_web_view_gtkhtml_set_magic_smileys (EWebViewGtkHTML *web_view,
                                      gboolean magic_smileys)
{
    /* XXX GtkHTML does not utilize GObject properties as well
     *     as it could.  This just wraps gtk_html_set_magic_smileys()
     *     so we can get a "notify::magic-smileys" signal. */

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_set_magic_smileys (GTK_HTML (web_view), magic_smileys);

    g_object_notify (G_OBJECT (web_view), "magic-smileys");
}

const gchar *
e_web_view_gtkhtml_get_selected_uri (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    return web_view->priv->selected_uri;
}

void
e_web_view_gtkhtml_set_selected_uri (EWebViewGtkHTML *web_view,
                                     const gchar *selected_uri)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_free (web_view->priv->selected_uri);
    web_view->priv->selected_uri = g_strdup (selected_uri);

    g_object_notify (G_OBJECT (web_view), "selected-uri");
}

GdkPixbufAnimation *
e_web_view_gtkhtml_get_cursor_image (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    return web_view->priv->cursor_image;
}

void
e_web_view_gtkhtml_set_cursor_image (EWebViewGtkHTML *web_view,
                                     GdkPixbufAnimation *image)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    if (image != NULL)
        g_object_ref (image);

    if (web_view->priv->cursor_image != NULL)
        g_object_unref (web_view->priv->cursor_image);

    web_view->priv->cursor_image = image;

    g_object_notify (G_OBJECT (web_view), "cursor-image");
}

GtkAction *
e_web_view_gtkhtml_get_open_proxy (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return web_view->priv->open_proxy;
}

void
e_web_view_gtkhtml_set_open_proxy (EWebViewGtkHTML *web_view,
                                   GtkAction *open_proxy)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    if (open_proxy != NULL) {
        g_return_if_fail (GTK_IS_ACTION (open_proxy));
        g_object_ref (open_proxy);
    }

    if (web_view->priv->open_proxy != NULL)
        g_object_unref (web_view->priv->open_proxy);

    web_view->priv->open_proxy = open_proxy;

    g_object_notify (G_OBJECT (web_view), "open-proxy");
}

GtkTargetList *
e_web_view_gtkhtml_get_paste_target_list (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    return web_view->priv->paste_target_list;
}

GtkAction *
e_web_view_gtkhtml_get_print_proxy (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return web_view->priv->print_proxy;
}

void
e_web_view_gtkhtml_set_print_proxy (EWebViewGtkHTML *web_view,
                                    GtkAction *print_proxy)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    if (print_proxy != NULL) {
        g_return_if_fail (GTK_IS_ACTION (print_proxy));
        g_object_ref (print_proxy);
    }

    if (web_view->priv->print_proxy != NULL)
        g_object_unref (web_view->priv->print_proxy);

    web_view->priv->print_proxy = print_proxy;

    g_object_notify (G_OBJECT (web_view), "print-proxy");
}

GtkAction *
e_web_view_gtkhtml_get_save_as_proxy (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return web_view->priv->save_as_proxy;
}

void
e_web_view_gtkhtml_set_save_as_proxy (EWebViewGtkHTML *web_view,
                                      GtkAction *save_as_proxy)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    if (save_as_proxy != NULL) {
        g_return_if_fail (GTK_IS_ACTION (save_as_proxy));
        g_object_ref (save_as_proxy);
    }

    if (web_view->priv->save_as_proxy != NULL)
        g_object_unref (web_view->priv->save_as_proxy);

    web_view->priv->save_as_proxy = save_as_proxy;

    g_object_notify (G_OBJECT (web_view), "save-as-proxy");
}

GtkAction *
e_web_view_gtkhtml_get_action (EWebViewGtkHTML *web_view,
                               const gchar *action_name)
{
    GtkUIManager *ui_manager;

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);
    g_return_val_if_fail (action_name != NULL, NULL);

    ui_manager = e_web_view_gtkhtml_get_ui_manager (web_view);

    return e_lookup_action (ui_manager, action_name);
}

GtkActionGroup *
e_web_view_gtkhtml_get_action_group (EWebViewGtkHTML *web_view,
                                     const gchar *group_name)
{
    GtkUIManager *ui_manager;

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);
    g_return_val_if_fail (group_name != NULL, NULL);

    ui_manager = e_web_view_gtkhtml_get_ui_manager (web_view);

    return e_lookup_action_group (ui_manager, group_name);
}

gchar *
e_web_view_gtkhtml_extract_uri (EWebViewGtkHTML *web_view,
                                GdkEventButton *event,
                                GtkHTML *frame)
{
    EWebViewGtkHTMLClass *class;

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    if (frame == NULL)
        frame = GTK_HTML (web_view);

    class = E_WEB_VIEW_GTKHTML_GET_CLASS (web_view);
    g_return_val_if_fail (class->extract_uri != NULL, NULL);

    return class->extract_uri (web_view, event, frame);
}

void
e_web_view_gtkhtml_copy_clipboard (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[COPY_CLIPBOARD], 0);
}

void
e_web_view_gtkhtml_cut_clipboard (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[CUT_CLIPBOARD], 0);
}

gboolean
e_web_view_gtkhtml_is_selection_active (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_command (GTK_HTML (web_view), "is-selection-active");
}

void
e_web_view_gtkhtml_paste_clipboard (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[PASTE_CLIPBOARD], 0);
}

gboolean
e_web_view_gtkhtml_scroll_forward (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_command (GTK_HTML (web_view), "scroll-forward");
}

gboolean
e_web_view_gtkhtml_scroll_backward (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), FALSE);

    return gtk_html_command (GTK_HTML (web_view), "scroll-backward");
}

void
e_web_view_gtkhtml_select_all (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_command (GTK_HTML (web_view), "select-all");
}

void
e_web_view_gtkhtml_unselect_all (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_command (GTK_HTML (web_view), "unselect-all");
}

void
e_web_view_gtkhtml_zoom_100 (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_command (GTK_HTML (web_view), "zoom-reset");
}

void
e_web_view_gtkhtml_zoom_in (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_command (GTK_HTML (web_view), "zoom-in");
}

void
e_web_view_gtkhtml_zoom_out (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    gtk_html_command (GTK_HTML (web_view), "zoom-out");
}

GtkUIManager *
e_web_view_gtkhtml_get_ui_manager (EWebViewGtkHTML *web_view)
{
    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    return web_view->priv->ui_manager;
}

GtkWidget *
e_web_view_gtkhtml_get_popup_menu (EWebViewGtkHTML *web_view)
{
    GtkUIManager *ui_manager;
    GtkWidget *menu;

    g_return_val_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view), NULL);

    ui_manager = e_web_view_gtkhtml_get_ui_manager (web_view);
    menu = gtk_ui_manager_get_widget (ui_manager, "/context");
    g_return_val_if_fail (GTK_IS_MENU (menu), NULL);

    return menu;
}

void
e_web_view_gtkhtml_show_popup_menu (EWebViewGtkHTML *web_view,
                                    GdkEventButton *event,
                                    GtkMenuPositionFunc func,
                                    gpointer user_data)
{
    GtkWidget *menu;

    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    e_web_view_gtkhtml_update_actions (web_view);

    menu = e_web_view_gtkhtml_get_popup_menu (web_view);

    if (event != NULL)
        gtk_menu_popup (
            GTK_MENU (menu), NULL, NULL, func,
            user_data, event->button, event->time);
    else
        gtk_menu_popup (
            GTK_MENU (menu), NULL, NULL, func,
            user_data, 0, gtk_get_current_event_time ());
}

void
e_web_view_gtkhtml_status_message (EWebViewGtkHTML *web_view,
                                   const gchar *status_message)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[STATUS_MESSAGE], 0, status_message);
}

void
e_web_view_gtkhtml_stop_loading (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[STOP_LOADING], 0);
}

void
e_web_view_gtkhtml_update_actions (EWebViewGtkHTML *web_view)
{
    g_return_if_fail (E_IS_WEB_VIEW_GTKHTML (web_view));

    g_signal_emit (web_view, signals[UPDATE_ACTIONS], 0);
}