calls-application.c 9.08 KB
Newer Older
Mohammed Sadiq's avatar
Mohammed Sadiq committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* calls-application.c
 *
 * Copyright (C) 2018 Purism SPC
 * Copyright (C) 2018 Mohammed Sadiq <sadiq@sadiqpk.org>
 *
 * This file is part of Calls.
 *
 * Calls is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Calls is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Calls.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors:
 *      Bob Ham <bob.ham@puri.sm>
 *      Mohammed Sadiq <sadiq@sadiqpk.org>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

#include "config.h"
#include "calls-new-call-header-bar.h"
#include "calls-history-header-bar.h"
#include "calls-history-box.h"
#include "calls-new-call-box.h"
#include "calls-encryption-indicator.h"
Bob Ham's avatar
Bob Ham committed
34
#include "calls-ringer.h"
Mohammed Sadiq's avatar
Mohammed Sadiq committed
35
36
37
38
#include "calls-call-window.h"
#include "calls-main-window.h"
#include "calls-application.h"

39
40
41
42
43
44
#define HANDY_USE_UNSTABLE_API
#include <handy.h>

#include <libpeas/peas.h>
#include <glib/gi18n.h>

Mohammed Sadiq's avatar
Mohammed Sadiq committed
45
46
47
48
49
50
51
/**
 * SECTION: calls-application
 * @title: CallsApplication
 * @short_description: Base Application class
 * @include: "calls-application.h"
 */

52
53
#define DEFAULT_PROVIDER_PLUGIN "mm"

Mohammed Sadiq's avatar
Mohammed Sadiq committed
54
55
56
57
struct _CallsApplication
{
  GtkApplication parent_instance;

58
  GString       *provider_name;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
59
  CallsProvider *provider;
Bob Ham's avatar
Bob Ham committed
60
  CallsRinger   *ringer;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
61
62
63
64
65
};

G_DEFINE_TYPE (CallsApplication, calls_application, GTK_TYPE_APPLICATION)


66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
static gint
handle_local_options (GApplication *application,
                      GVariantDict *options)
{
  gboolean ok;
  g_autoptr(GError) error = NULL;
  const gchar *name;

  g_debug ("Registering application");
  ok = g_application_register (application, NULL, &error);
  if (!ok)
    {
      g_error ("Error registering application: %s",
               error->message);
    }

  ok = g_variant_dict_lookup (options, "provider", "&s", &name);
  if (ok)
    {
      g_action_group_activate_action (G_ACTION_GROUP (application),
                                      "set-provider-name",
                                      g_variant_new_string (name));
    }

  return -1; // Continue processing signal
}


Mohammed Sadiq's avatar
Mohammed Sadiq committed
94
static void
95
96
97
set_provider_name_action (GSimpleAction *action,
                          GVariant      *parameter,
                          gpointer       user_data)
Mohammed Sadiq's avatar
Mohammed Sadiq committed
98
{
99
100
  CallsApplication *self = CALLS_APPLICATION (user_data);
  const gchar *name;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
101

102
103
  name = g_variant_get_string (parameter, NULL);
  g_return_if_fail (name != NULL);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
104

105
106
107
108
109
110
111
112
113
114
115
116
  if (self->provider)
    {
      g_warning ("Cannot set provider name to `%s'"
                 " because provider is already created",
                 name);
      return;
    }

  g_string_assign (self->provider_name, name);

  g_debug ("Provider name set to `%s'",
           self->provider_name->str);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
117
118
}

119
120
121
122
123
124
125

static const GActionEntry actions[] =
{
  { "set-provider-name", set_provider_name_action, "s" },
};


Mohammed Sadiq's avatar
Mohammed Sadiq committed
126
127
128
129
130
static void
startup (GApplication *application)
{
  G_APPLICATION_CLASS (calls_application_parent_class)->startup (application);

Bob Ham's avatar
Bob Ham committed
131
132
133
  g_set_prgname (APP_ID);
  g_set_application_name (_("Calls"));

134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
  g_action_map_add_action_entries (G_ACTION_MAP (application),
                                   actions,
                                   G_N_ELEMENTS (actions),
                                   application);
}


static void
load_provider_plugin (CallsApplication *self)
{
  const gchar * const name = self->provider_name->str;
  PeasEngine *plugins;
  PeasPluginInfo *info;
  PeasExtension *extension;

  g_assert (self->provider == NULL);

  // Add Calls search path and rescan
  plugins = peas_engine_get_default ();
  peas_engine_add_search_path (plugins, PLUGIN_LIBDIR, PLUGIN_LIBDIR);
  g_debug ("Scanning for plugins in `%s'", PLUGIN_LIBDIR);

  // Find the plugin
  info = peas_engine_get_plugin_info (plugins, name);
  if (!info)
    {
      g_critical ("Could not find plugin `%s'", name);
      return;
    }

  // Possibly load the plugin
  if (!peas_plugin_info_is_loaded (info))
    {
      g_autoptr(GError) error = NULL;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
168

169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
      peas_engine_load_plugin (plugins, info);

      if (!peas_plugin_info_is_available (info, &error))
        {
          if (error)
            {
              g_critical ("Error loading plugin `%s': %s",
                          name, error->message);
            }
          else
            {
              g_critical ("Could not load plugin `%s'", name);
            }

          return;
        }

      g_debug ("Loaded plugin `%s'", name);
    }

  // Check the plugin provides CallsProvider
  if (!peas_engine_provides_extension
      (plugins, info, CALLS_TYPE_PROVIDER))
    {
      g_critical ("Plugin `%s' does not have a provider extension",
                  name);
      return;
    }

  // Get the extension
  extension = peas_engine_create_extensionv
    (plugins, info, CALLS_TYPE_PROVIDER, 0, NULL);
  if (!extension)
    {
      g_critical ("Could not create provider from plugin `%s'",
                  name);
      return;
    }

  g_debug ("Created provider from plugin `%s'", name);
  self->provider = CALLS_PROVIDER (extension);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
210
211
}

212

Mohammed Sadiq's avatar
Mohammed Sadiq committed
213
214
215
static void
activate (GApplication *application)
{
216
  GtkApplication *gtk_app;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
217
218
  GtkWindow *window;

219
220
  g_assert (GTK_IS_APPLICATION (application));
  gtk_app = GTK_APPLICATION (application);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
221

222
  window = gtk_application_get_active_window (gtk_app);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
223
224
225

  if (window == NULL)
    {
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
      CallsApplication *self = CALLS_APPLICATION (application);

      // Later we will make provider loading/unloaded a dynamic
      // process but that will have far-reaching consequences and is
      // of no use immediately so for now, we just load one provider
      // at startup.  We can't put this in the actual startup() method
      // though, because we need to be able to set the provider name
      // from the command line and we use actions to do that, which
      // depend on the application already being started up.
      if (!self->provider)
        {
          load_provider_plugin (self);
          if (!self->provider)
            {
              g_application_quit (application);
              return;
            }

          self->ringer = calls_ringer_new (self->provider);
          g_assert (self->ringer != NULL);
        }

Mohammed Sadiq's avatar
Mohammed Sadiq committed
248
249
250
251
252
      /*
       * We don't track the memory created.  Ideally, we might have to.
       * But we assume that the application is closed by closing the
       * window.  In that case, GTK+ frees the resources right.
       */
253
254
      window = GTK_WINDOW (calls_main_window_new (gtk_app, self->provider));
      calls_call_window_new (gtk_app, self->provider);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
255
256
257
258
259
    }

  gtk_window_present (window);
}

260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299

static void
constructed (GObject *object)
{
  GObjectClass *parent_class = g_type_class_peek (GTK_TYPE_APPLICATION);
  CallsApplication *self = CALLS_APPLICATION (object);
  GSimpleActionGroup *action_group;

  action_group = g_simple_action_group_new ();
  g_action_map_add_action_entries (G_ACTION_MAP (action_group),
                                   actions, G_N_ELEMENTS (actions), self);
  g_object_unref (action_group);

  parent_class->constructed (object);
}


static void
dispose (GObject *object)
{
  CallsApplication *self = (CallsApplication *)object;

  g_clear_object (&self->ringer);
  g_clear_object (&self->provider);

  G_OBJECT_CLASS (calls_application_parent_class)->dispose (object);
}


static void
finalize (GObject *object)
{
  CallsApplication *self = (CallsApplication *)object;

  g_string_free (self->provider_name, TRUE);

  G_OBJECT_CLASS (calls_application_parent_class)->finalize (object);
}


Mohammed Sadiq's avatar
Mohammed Sadiq committed
300
301
302
303
304
305
static void
calls_application_class_init (CallsApplicationClass *klass)
{
  GApplicationClass *application_class = G_APPLICATION_CLASS (klass);
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

306
  object_class->constructed = constructed;
307
  object_class->dispose = dispose;
308
  object_class->finalize = finalize;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
309

310
  application_class->handle_local_options = handle_local_options;
Mohammed Sadiq's avatar
Mohammed Sadiq committed
311
312
313
314
315
316
317
318
319
320
321
  application_class->startup = startup;
  application_class->activate = activate;

  g_type_ensure (CALLS_TYPE_ENCRYPTION_INDICATOR);
  g_type_ensure (CALLS_TYPE_HISTORY_BOX);
  g_type_ensure (CALLS_TYPE_HISTORY_HEADER_BAR);
  g_type_ensure (CALLS_TYPE_NEW_CALL_BOX);
  g_type_ensure (CALLS_TYPE_NEW_CALL_HEADER_BAR);
  g_type_ensure (HDY_TYPE_DIALER);
}

322

Mohammed Sadiq's avatar
Mohammed Sadiq committed
323
324
325
static void
calls_application_init (CallsApplication *self)
{
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
  const GOptionEntry options[] = {
    {
      "provider", 'p', G_OPTION_FLAG_NONE,
      G_OPTION_ARG_STRING, NULL,
      _("The name of the plugin to use for the call Provider"),
      _("PLUGIN")
    },
    {
      NULL
    }
  };

  g_application_add_main_option_entries (G_APPLICATION (self), options);

  self->provider_name = g_string_new (DEFAULT_PROVIDER_PLUGIN);
Mohammed Sadiq's avatar
Mohammed Sadiq committed
341
342
}

343

Mohammed Sadiq's avatar
Mohammed Sadiq committed
344
345
346
347
348
349
350
351
CallsApplication *
calls_application_new (void)
{
  return g_object_new (CALLS_TYPE_APPLICATION,
                       "application-id", APP_ID,
                       "flags", G_APPLICATION_FLAGS_NONE,
                       NULL);
}