git.maemo.org Git - modest/blob - src/widgets/modest-window-mgr.c

   1 /* Copyright (c) 2006,2007 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 <string.h>
  31 #include "modest-window-mgr.h"
  32 #include "widgets/modest-main-window.h"
  33 #include "widgets/modest-msg-edit-window.h"
  34 #include "widgets/modest-msg-view-window.h"
  35 /* include other impl specific header files */
  36
  37 /* 'private'/'protected' functions */
  38 static void modest_window_mgr_class_init (ModestWindowMgrClass *klass);
  39 static void modest_window_mgr_init       (ModestWindowMgr *obj);
  40 static void modest_window_mgr_finalize   (GObject *obj);
  41
  42 static void on_window_destroy            (ModestWindow *window,
  43                                           ModestWindowMgr *self);
  44
  45 /* list my signals  */
  46 enum {
  47         /* MY_SIGNAL_1, */
  48         /* MY_SIGNAL_2, */
  49         LAST_SIGNAL
  50 };
  51
  52 typedef struct _ModestWindowMgrPrivate ModestWindowMgrPrivate;
  53 struct _ModestWindowMgrPrivate {
  54         GList *window_list;
  55         gboolean fullscreen_mode;
  56 };
  57 #define MODEST_WINDOW_MGR_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  58                                                MODEST_TYPE_WINDOW_MGR, \
  59                                                ModestWindowMgrPrivate))
  60 /* globals */
  61 static GObjectClass *parent_class = NULL;
  62
  63 /* uncomment the following if you have defined any signals */
  64 /* static guint signals[LAST_SIGNAL] = {0}; */
  65
  66 GType
  67 modest_window_mgr_get_type (void)
  68 {
  69         static GType my_type = 0;
  70         if (!my_type) {
  71                 static const GTypeInfo my_info = {
  72                         sizeof(ModestWindowMgrClass),
  73                         NULL,           /* base init */
  74                         NULL,           /* base finalize */
  75                         (GClassInitFunc) modest_window_mgr_class_init,
  76                         NULL,           /* class finalize */
  77                         NULL,           /* class data */
  78                         sizeof(ModestWindowMgr),
  79                         1,              /* n_preallocs */
  80                         (GInstanceInitFunc) modest_window_mgr_init,
  81                         NULL
  82                 };
  83                 my_type = g_type_register_static (G_TYPE_OBJECT,
  84                                                   "ModestWindowMgr",
  85                                                   &my_info, 0);
  86         }
  87         return my_type;
  88 }
  89
  90 static void
  91 modest_window_mgr_class_init (ModestWindowMgrClass *klass)
  92 {
  93         GObjectClass *gobject_class;
  94         gobject_class = (GObjectClass*) klass;
  95
  96         parent_class            = g_type_class_peek_parent (klass);
  97         gobject_class->finalize = modest_window_mgr_finalize;
  98
  99         g_type_class_add_private (gobject_class, sizeof(ModestWindowMgrPrivate));
 100 }
 101
 102 static void
 103 modest_window_mgr_init (ModestWindowMgr *obj)
 104 {
 105         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 106
 107         priv->window_list = NULL;
 108         priv->fullscreen_mode = FALSE;
 109 }
 110
 111 static void
 112 modest_window_mgr_finalize (GObject *obj)
 113 {
 114         ModestWindowMgrPrivate *priv = MODEST_WINDOW_MGR_GET_PRIVATE(obj);
 115
 116         if (priv->window_list) {
 117                 GList *iter = priv->window_list;
 118                 /* unregister pending windows */
 119                 while (iter) {
 120                         modest_window_mgr_unregister_window (MODEST_WINDOW_MGR (obj),
 121                                                              MODEST_WINDOW (iter->data));
 122                         iter = g_list_next (iter);
 123                 }
 124                 g_list_free (priv->window_list);
 125                 priv->window_list = NULL;
 126         }
 127
 128         G_OBJECT_CLASS(parent_class)->finalize (obj);
 129 }
 130
 131 ModestWindowMgr*
 132 modest_window_mgr_new (void)
 133 {
 134         return MODEST_WINDOW_MGR(g_object_new(MODEST_TYPE_WINDOW_MGR, NULL));
 135 }
 136
 137 void
 138 modest_window_mgr_register_window (ModestWindowMgr *self,
 139                                    ModestWindow *window)
 140 {
 141         GList *win;
 142         ModestWindowMgrPrivate *priv;
 143
 144         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 145         g_return_if_fail (MODEST_IS_WINDOW (window));
 146
 147         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 148
 149         win = g_list_find (priv->window_list, window);
 150         if (win) {
 151                 g_warning ("Trying to register an already registered window");
 152                 return;
 153         }
 154
 155         /* Add to list. Keep a reference to the window */
 156         g_object_ref (window);
 157         priv->window_list = g_list_prepend (priv->window_list, window);
 158
 159         /* Listen to object destruction */
 160         g_signal_connect (window, "destroy", G_CALLBACK (on_window_destroy), self);
 161
 162         /* Put into fullscreen if needed */
 163         if (priv->fullscreen_mode)
 164                 gtk_window_fullscreen (GTK_WINDOW (window));
 165 }
 166
 167 static void
 168 on_window_destroy (ModestWindow *window, ModestWindowMgr *self)
 169 {
 170         /* Specific stuff first */
 171         if (MODEST_IS_MAIN_WINDOW (window)) {
 172                 ModestWindowMgrPrivate *priv;
 173                 priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 174
 175                 /* If more than one window already opened */
 176                 if (g_list_length (priv->window_list) > 1) {
 177
 178                         /* If the user wants to close all the windows */
 179                         if (modest_main_window_close_all (MODEST_MAIN_WINDOW (window))) {
 180                                 GList *iter = priv->window_list;
 181                                 do {
 182                                         if (iter->data != window) {
 183                                                 GList *tmp = iter->next;
 184                                                 on_window_destroy (MODEST_WINDOW (iter->data),
 185                                                                    self);
 186                                                 iter = tmp;
 187                                         } else {
 188                                                 iter = g_list_next (iter);
 189                                         }
 190                                 } while (iter);
 191                         }
 192                 }
 193         } else {
 194                 if (MODEST_IS_MSG_EDIT_WINDOW (window)) {
 195                         /* TODO: Save currently edited message to Drafts
 196                            folder */
 197                 }
 198         }
 199
 200         /* Unregister window */
 201         modest_window_mgr_unregister_window (self, window);
 202 }
 203
 204 void
 205 modest_window_mgr_unregister_window (ModestWindowMgr *self,
 206                                      ModestWindow *window)
 207 {
 208         GList *win;
 209         ModestWindowMgrPrivate *priv;
 210
 211         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 212         g_return_if_fail (MODEST_IS_WINDOW (window));
 213
 214         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 215
 216         win = g_list_find (priv->window_list, window);
 217         if (!win) {
 218                 g_warning ("Trying to unregister a window that has not being registered yet");
 219                 return;
 220         }
 221
 222         /* Remove from list. Remove the reference to the window */
 223         g_object_unref (win->data);
 224         priv->window_list = g_list_remove_link (priv->window_list, win);
 225
 226         /* If there are no more windows registered then exit program */
 227         if (priv->window_list == NULL)
 228                 gtk_main_quit ();
 229 }
 230
 231 static gint
 232 compare_msguids (ModestWindow *win,
 233                  const gchar *uid)
 234 {
 235         const gchar *msg_uid;
 236
 237         if (!MODEST_IS_MSG_VIEW_WINDOW (win))
 238                 return 1;
 239
 240         /* Get message uid from msg window */
 241         msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (win));
 242         if (msg_uid && !strcmp (msg_uid, uid))
 243                 return 0;
 244         else
 245                 return 1;
 246 }
 247
 248 ModestWindow*
 249 modest_window_mgr_find_window_by_msguid (ModestWindowMgr *self,
 250                                          const gchar *msguid)
 251 {
 252         ModestWindowMgrPrivate *priv;
 253         GList *win = NULL;
 254
 255         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), NULL);
 256         g_return_val_if_fail (msguid != NULL, NULL);
 257
 258         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 259
 260         /* Look for the window */
 261         if (priv->window_list)
 262                 win = g_list_find_custom (priv->window_list,
 263                                           msguid,
 264                                           (GCompareFunc) compare_msguids);
 265
 266         if (win)
 267                 return win->data;
 268         else
 269                 return NULL;
 270 }
 271
 272 void
 273 modest_window_mgr_set_fullscreen_mode (ModestWindowMgr *self,
 274                                        gboolean on)
 275 {
 276         ModestWindowMgrPrivate *priv;
 277         GList *win = NULL;
 278
 279         g_return_if_fail (MODEST_IS_WINDOW_MGR (self));
 280
 281         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 282
 283         /* If there is no change do nothing */
 284         if (priv->fullscreen_mode == on)
 285                 return;
 286
 287         priv->fullscreen_mode = on;
 288
 289         /* Update windows */
 290         win = priv->window_list;
 291         while (win) {
 292                 if (on)
 293                         gtk_window_fullscreen (GTK_WINDOW (win->data));
 294                 else
 295                         gtk_window_unfullscreen (GTK_WINDOW (win->data));
 296                 win = g_list_next (win);
 297         }
 298 }
 299
 300 gboolean
 301 modest_window_mgr_get_fullscreen_mode (ModestWindowMgr *self)
 302 {
 303         ModestWindowMgrPrivate *priv;
 304
 305         g_return_val_if_fail (MODEST_IS_WINDOW_MGR (self), FALSE);
 306
 307         priv = MODEST_WINDOW_MGR_GET_PRIVATE (self);
 308
 309         return priv->fullscreen_mode;
 310 }