git.maemo.org Git - modest/blob - src/widgets/modest-mime-part-view.c

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <modest-mime-part-view.h>
  33 #include <modest-marshal.h>
  34
  35 enum {
  36         ACTIVATE_LINK,
  37         LINK_HOVER,
  38         FETCH_URL,
  39         LAST_SIGNAL
  40 };
  41
  42 static guint mime_part_view_signals[LAST_SIGNAL] = { 0 };
  43
  44 /**
  45  * modest_mime_part_view_is_empty:
  46  * @self: a #ModestMimePartView
  47  *
  48  * checks if the mail shown can be considered as empty or not.
  49  *
  50  * Returns: %TRUE if mail shown is empty, %FALSE otherwise.
  51  */
  52 gboolean
  53 modest_mime_part_view_is_empty (ModestMimePartView *self)
  54 {
  55         return MODEST_MIME_PART_VIEW_GET_IFACE (self)->is_empty_func (self);
  56 }
  57
  58 /**
  59  * modest_mime_part_view_get_view_images:
  60  * @self: a #ModestMimePartView
  61  *
  62  * checks if we have enabled capability to view contained images.
  63  *
  64  * Returns: %TRUE if we show images, %FALSE otherwise.
  65  */
  66 gboolean
  67 modest_mime_part_view_get_view_images (ModestMimePartView *self)
  68 {
  69         return MODEST_MIME_PART_VIEW_GET_IFACE (self)->get_view_images_func (self);
  70 }
  71
  72 /**
  73  * modest_mime_part_view_set_view_images:
  74  * @self: a #ModestMimePartView
  75  * @view_images: a #gboolean
  76  *
  77  * set if we want to show images or not.
  78  */
  79 void
  80 modest_mime_part_view_set_view_images (ModestMimePartView *self, gboolean view_images)
  81 {
  82         MODEST_MIME_PART_VIEW_GET_IFACE (self)->set_view_images_func (self, view_images);
  83 }
  84
  85 /**
  86  * modest_mime_part_view_has_external_images:
  87  * @self: a #ModestMimePartView
  88  *
  89  * checks if there are external images in the mime part.
  90  *
  91  * Returns: %TRUE if there are external images, %FALSE otherwise.
  92  */
  93 gboolean
  94 modest_mime_part_view_has_external_images (ModestMimePartView *self)
  95 {
  96         return MODEST_MIME_PART_VIEW_GET_IFACE (self)->has_external_images_func (self);
  97 }
  98
  99 static void
 100 modest_mime_part_view_base_init (gpointer g_class)
 101 {
 102         static gboolean initialized = FALSE;
 103
 104         if (!initialized) {
 105
 106                 /**
 107                  * ModestMimePartView::activate-link:
 108                  * @self: a #ModestMimePartView instance the signal is emitted
 109                  * @string: a string containing the URI
 110                  *
 111                  * This signal is emitted when a URI is activated
 112                  *
 113                  * Returns:
 114                  */
 115                 mime_part_view_signals[ACTIVATE_LINK] =
 116                         g_signal_new ("activate_link",
 117                                       MODEST_TYPE_MIME_PART_VIEW,
 118                                       G_SIGNAL_RUN_LAST,
 119                                       G_STRUCT_OFFSET (ModestMimePartViewIface, activate_link),
 120                                       NULL, NULL,
 121                                       modest_marshal_BOOLEAN__STRING,
 122                                       G_TYPE_BOOLEAN, 1,
 123                                       G_TYPE_STRING);
 124                 /**
 125                  * ModestMimePartView::link-hover:
 126                  * @self: a #ModestMimePartView instance the signal is emitted
 127                  * @string: a string containing the URI
 128                  *
 129                  * This signal is emitted when user passes the mouse over a link
 130                  *
 131                  * Returns:
 132                  */
 133                 mime_part_view_signals[LINK_HOVER] =
 134                         g_signal_new ("link_hover",
 135                                       MODEST_TYPE_MIME_PART_VIEW,
 136                                       G_SIGNAL_RUN_LAST,
 137                                       G_STRUCT_OFFSET (ModestMimePartViewIface, link_hover),
 138                                       NULL, NULL,
 139                                       modest_marshal_BOOLEAN__STRING,
 140                                       G_TYPE_BOOLEAN, 1,
 141                                       G_TYPE_STRING);
 142
 143                 /**
 144                  * ModestMimePartView::fetch-url:
 145                  * @self: a #ModestMimePartView instance the signal is emitted
 146                  * @string: a string containing the URI
 147                  * @stream: a #TnyStream
 148                  *
 149                  * This signal is emitted when the page is rendered, and some
 150                  * url has to be resolved externally. You have to put the
 151                  * required information in the stream (images, etc).
 152                  *
 153                  * Returns:
 154                  */
 155                 mime_part_view_signals[FETCH_URL] =
 156                         g_signal_new ("fetch_url",
 157                                       MODEST_TYPE_MIME_PART_VIEW,
 158                                       G_SIGNAL_RUN_LAST,
 159                                       G_STRUCT_OFFSET (ModestMimePartViewIface, fetch_url),
 160                                       NULL, NULL,
 161                                       modest_marshal_BOOLEAN__STRING_OBJECT,
 162                                       G_TYPE_BOOLEAN, 2,
 163                                       G_TYPE_STRING,
 164                                       G_TYPE_OBJECT);
 165                 initialized = TRUE;
 166         }
 167 }
 168
 169 GType
 170 modest_mime_part_view_get_type (void)
 171 {
 172         static GType type = 0;
 173
 174         if (G_UNLIKELY(type == 0))
 175         {
 176                 static const GTypeInfo info =
 177                 {
 178                   sizeof (ModestMimePartViewIface),
 179                   modest_mime_part_view_base_init,   /* base_init */
 180                   NULL,   /* base_finalize */
 181                   NULL,   /* class_init */
 182                   NULL,   /* class_finalize */
 183                   NULL,   /* class_data */
 184                   0,
 185                   0,      /* n_preallocs */
 186                   NULL,   /* instance_init */
 187                   NULL
 188                 };
 189
 190                 type = g_type_register_static (G_TYPE_INTERFACE,
 191                         "ModestMimePartView", &info, 0);
 192
 193         }
 194
 195         return type;
 196 }