summaryrefslogtreecommitdiff
path: root/desktop/gui_factory.c
blob: cb01fc45e42afe2d9b4b0e7d2cfd314bf47efe0f (plain)
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
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
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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
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
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
#include "desktop/gui.h"
#include "desktop/gui_factory.h"

struct gui_table *guit = NULL;




static void gui_default_window_set_title(struct gui_window *g, const char *title)
{
}

static void gui_default_window_set_url(struct gui_window *g, const char *url)
{
}

static void gui_default_window_start_throbber(struct gui_window *g)
{
}

static void gui_default_window_stop_throbber(struct gui_window *g)
{
}

static bool gui_default_window_drag_start(struct gui_window *g,
					  gui_drag_type type,
					  const struct rect *rect)
{
	return true;
}

static void gui_default_window_save_link(struct gui_window *g,
					 const char *url,
					 const char *title)
{
}

static void gui_default_window_set_icon(struct gui_window *g,
					hlcache_handle *icon)
{
}

static void gui_default_window_scroll_visible(struct gui_window *g,
				       int x0, int y0,
				       int x1, int y1)
{
	guit->window->set_scroll(g, x0, y0);
}

static void gui_default_window_new_content(struct gui_window *g)
{
}


static bool gui_default_window_scroll_start(struct gui_window *g)
{
	return true;
}

static void gui_default_window_set_pointer(struct gui_window *g,
					   gui_pointer_shape shape)
{
}

static void gui_default_window_set_status(struct gui_window *g,
					  const char *text)
{
}

static void gui_default_window_place_caret(struct gui_window *g,
					   int x, int y, int height,
					   const struct rect *clip)
{
}

static void gui_default_window_remove_caret(struct gui_window *g)
{
}

static void gui_default_window_file_gadget_open(struct gui_window *g,
						hlcache_handle *hl,
						struct form_control *gadget)
{
}

static void gui_default_window_drag_save_object(struct gui_window *g,
						hlcache_handle *c,
						gui_save_type type)
{
}

static void gui_default_window_drag_save_selection(struct gui_window *g,
						   const char *selection)
{
}

static void gui_default_window_start_selection(struct gui_window *g)
{
}


/** verify window table is valid */
static nserror verify_window_register(struct gui_window_table *gwt)
{
	/* check table is present */
	if (gwt == NULL) {
		return NSERROR_BAD_PARAMETER;
	}

	/* check the mandantory fields are set */
	if (gwt->create == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->destroy == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->redraw == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->update == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->get_scroll == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->set_scroll == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->get_dimensions == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gwt->update_extent == NULL) {
		return NSERROR_BAD_PARAMETER;
	}


	/* fill in the optional entries with defaults */
	if (gwt->set_title == NULL) {
		gwt->set_title = gui_default_window_set_title;
	}
	if (gwt->set_url == NULL) {
		gwt->set_url = gui_default_window_set_url;
	}
	if (gwt->set_icon == NULL) {
		gwt->set_icon = gui_default_window_set_icon;
	}
	if (gwt->set_status == NULL) {
		gwt->set_status = gui_default_window_set_status;
	}
	if (gwt->set_pointer == NULL) {
		gwt->set_pointer = gui_default_window_set_pointer;
	}
	if (gwt->place_caret == NULL) {
		gwt->place_caret = gui_default_window_place_caret;
	}
	if (gwt->remove_caret == NULL) {
		gwt->remove_caret = gui_default_window_remove_caret;
	}
	if (gwt->start_throbber == NULL) {
		gwt->start_throbber = gui_default_window_start_throbber;
	}
	if (gwt->stop_throbber == NULL) {
		gwt->stop_throbber = gui_default_window_stop_throbber;
	}
	if (gwt->drag_start == NULL) {
		gwt->drag_start = gui_default_window_drag_start;
	}
	if (gwt->save_link == NULL) {
		gwt->save_link = gui_default_window_save_link;
	}
	if (gwt->scroll_visible == NULL) {
		gwt->scroll_visible = gui_default_window_scroll_visible;
	}
	if (gwt->new_content == NULL) {
		gwt->new_content = gui_default_window_new_content;
	}
	if (gwt->scroll_start == NULL) {
		gwt->scroll_start = gui_default_window_scroll_start;
	}
	if (gwt->file_gadget_open == NULL) {
		gwt->file_gadget_open = gui_default_window_file_gadget_open;
	}
	if (gwt->drag_save_object == NULL) {
		gwt->drag_save_object = gui_default_window_drag_save_object;
	}
	if (gwt->drag_save_selection == NULL) {
		gwt->drag_save_selection = gui_default_window_drag_save_selection;
	}
	if (gwt->start_selection == NULL) {
		gwt->start_selection = gui_default_window_start_selection;
	}

	return NSERROR_OK;
}


static struct gui_download_window *
gui_default_download_create(download_context *ctx, struct gui_window *parent)
{
	return NULL;
}

static nserror gui_default_download_data(struct gui_download_window *dw,
				  const char *data, unsigned int size)
{
	return NSERROR_OK;
}

static void gui_default_download_error(struct gui_download_window *dw,
				const char *error_msg)
{
}

static void gui_default_download_done(struct gui_download_window *dw)
{
}

static struct gui_download_table default_download_table = {
	.create = gui_default_download_create,
	.data = gui_default_download_data,
	.error = gui_default_download_error,
	.done = gui_default_download_done,
};

/** verify download window table is valid */
static nserror verify_download_register(struct gui_download_table *gdt)
{
	/* check table is present */
	if (gdt == NULL) {
		return NSERROR_BAD_PARAMETER;
	}

	/* all enties are mandantory */
	if (gdt->create == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gdt->data == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gdt->error == NULL) {
		return NSERROR_BAD_PARAMETER;
	}
	if (gdt->done == NULL) {
		return NSERROR_BAD_PARAMETER;
	}

	return NSERROR_OK;
}

static void gui_default_quit(void)
{
}

static void gui_default_set_search_ico(hlcache_handle *ico)
{
}

static nsurl *gui_default_get_resource_url(const char *path)
{
	return NULL;
}

static void gui_default_launch_url(const char *url)
{
}

static void gui_default_create_form_select_menu(struct browser_window *bw,
						struct form_control *control)
{
}

static void gui_default_get_clipboard(char **buffer, size_t *length)
{
	*buffer = NULL;
	*length = 0;
}

static void gui_default_set_clipboard(const char *buffer, size_t length,
		nsclipboard_styles styles[], int n_styles)
{
}

static void gui_default_cert_verify(nsurl *url,
				    const struct ssl_cert_info *certs,
				    unsigned long num,
				    nserror (*cb)(bool proceed, void *pw),
				    void *cbpw)
{
	cb(false, cbpw);
}

nserror gui_factory_register(struct gui_table *gt)
{
	nserror err;

	/* ensure not already initialised */
	if (guit != NULL) {
		return NSERROR_INIT_FAILED;
	}

	/* check table is present */
	if (gt == NULL) {
		return NSERROR_BAD_PARAMETER;
	}

	/* check subtables */
	err = verify_window_register(gt->window);
	if (err != NSERROR_OK) {
		return err;
	}
	if (gt->download == NULL) {
		/* set default download table */
		gt->download = &default_download_table;
	}
	err = verify_download_register(gt->download);
	if (err != NSERROR_OK) {
		return err;
	}

	/* check the mandantory fields are set */
	if (gt->poll == NULL) {
		return NSERROR_BAD_PARAMETER;
	}

	/* fill in the optional entries with defaults */
	if (gt->quit == NULL) {
		gt->quit = gui_default_quit;
	}
	if (gt->set_search_ico == NULL) {
		gt->set_search_ico = gui_default_set_search_ico;
	}
	if (gt->get_resource_url == NULL) {
		gt->get_resource_url = gui_default_get_resource_url;
	}
	if (gt->launch_url == NULL) {
		gt->launch_url = gui_default_launch_url;
	}
	if (gt->create_form_select_menu == NULL) {
		gt->create_form_select_menu = gui_default_create_form_select_menu;
	}
	if (gt->get_clipboard == NULL) {
		gt->get_clipboard = gui_default_get_clipboard;
	}
	if (gt->set_clipboard == NULL) {
		gt->set_clipboard = gui_default_set_clipboard;
	}
	if (gt->cert_verify == NULL) {
		gt->cert_verify = gui_default_cert_verify;
	}

	guit = gt;

	return NSERROR_OK;
}