summaryrefslogtreecommitdiff
path: root/surf.c
blob: 192e26ad278996a127bd0a62f5d2fb31ce933e98 (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
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
/* See LICENSE file for copyright and license details.
 *
 * To understand surf, start reading main().
 */
#include <X11/X.h>
#include <X11/Xatom.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <webkit/webkit.h>
#include <glib/gstdio.h>

#define LENGTH(x) (sizeof x / sizeof x[0])

Display *dpy;
Atom urlprop;
typedef struct Client {
	GtkWidget *win, *scroll, *vbox, *urlbar, *searchbar;
	WebKitWebView *view;
	WebKitDownload *download;
	gchar *title;
	gint progress;
	struct Client *next;
} Client;

typedef struct Cookie {
	char *name;
	char *value;
	char *domain;
	char *path;
	struct Cookie *next;
} Cookie;

SoupCookieJar *cookiejar;
SoupSession *session;
Client *clients = NULL;
Cookie *cookies = NULL;
gboolean embed = FALSE;
gboolean showxid = FALSE;
gboolean ignore_once = FALSE;
extern char *optarg;
extern int optind;

static void cleanup(void);
static void proccookies(SoupMessage *m, Client *c);
static void destroyclient(Client *c);
static void destroywin(GtkWidget* w, Client *c);
static void die(char *str);
static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
static gboolean initdownload(WebKitWebView *view, WebKitDownload *o, Client *c);
static gchar *geturi(Client *c);
static void hidesearch(Client *c);
static void hideurl(Client *c);
static gboolean keypress(GtkWidget* w, GdkEventKey *ev, Client *c);
static void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c);
static void loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c);
static void loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c);
static void loadfile(Client *c, const gchar *f);
static void loaduri(Client *c, const gchar *uri);
static Client *newclient();
static WebKitWebView *newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c);
static void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d);
static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
static void progresschange(WebKitWebView *view, gint p, Client *c);
static void request(SoupSession *s, SoupMessage *m, Client *c);
static void setcookie(char *name, char *val, char *dom, char *path, long exp);
static void setup(void);
static void showsearch(Client *c);
static void showurl(Client *c);
static void stop(Client *c);
static void titlechange(WebKitWebView* view, WebKitWebFrame* frame,
		const gchar* title, Client *c);
static void usage();
static void updatetitle(Client *c, const gchar *title);

void
cleanup(void) {
	while(clients)
		destroyclient(clients);
}

void
proccookies(SoupMessage *m, Client *c) {
	GSList *l;
	SoupCookie *co;
	long t;

	for (l = soup_cookies_from_response(m); l; l = l->next){
		co = (SoupCookie *)l->data;
		t = co->expires ?  soup_date_to_time_t(co->expires) : 0;
		setcookie(co->name, co->value, co->domain, co->value, t);
	}
	g_slist_free(l);
}

void
destroyclient(Client *c) {
	Client *p;

	gtk_widget_destroy(GTK_WIDGET(webkit_web_view_new()));
	gtk_widget_destroy(c->scroll);
	gtk_widget_destroy(c->urlbar);
	gtk_widget_destroy(c->searchbar);
	gtk_widget_destroy(c->vbox);
	gtk_widget_destroy(c->win);
	for(p = clients; p && p->next != c; p = p->next);
	if(p)
		p->next = c->next;
	else
		clients = c->next;
	free(c);
	if(clients == NULL)
		gtk_main_quit();
}

void
destroywin(GtkWidget* w, Client *c) {
	destroyclient(c);
}

void
die(char *str) {
	fputs(str, stderr);
	exit(EXIT_FAILURE);
}

void
download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
	WebKitDownloadStatus status;

	status = webkit_download_get_status(c->download);
	if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
		c->progress = (int)(webkit_download_get_progress(c->download)*100);
	}
	updatetitle(c, NULL);
}

gboolean
initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
	const gchar *home, *filename;
	gchar *uri, *path, *html;

	stop(c);
	c->download = o;
	home = g_get_home_dir();
	filename = webkit_download_get_suggested_filename(o);
	path = g_build_filename(home, ".surf", "dl", 
			filename, NULL);
	uri = g_strconcat("file://", path, NULL);
	webkit_download_set_destination_uri(c->download, uri);
	c->progress = 0;
	g_free(uri);
	html = g_strdup_printf("Download <b>%s</b>...", filename);
	webkit_web_view_load_html_string(c->view, html,
			webkit_download_get_uri(c->download));
	g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
	g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
	webkit_download_start(c->download);
	updatetitle(c, filename);
	g_free(html);
	return TRUE;
}

gchar *
geturi(Client *c) {
	gchar *uri;

	if(!(uri = (gchar *)webkit_web_view_get_uri(c->view)))
		uri = g_strdup("about:blank");
	return uri;
}

void
hidesearch(Client *c) {
	gtk_widget_hide(c->searchbar);
	gtk_widget_grab_focus(GTK_WIDGET(c->view));
}

void
hideurl(Client *c) {
	gtk_widget_hide(c->urlbar);
	gtk_widget_grab_focus(GTK_WIDGET(c->view));
}

gboolean
keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
	if(ev->type != GDK_KEY_PRESS)
		return FALSE;
	if(GTK_WIDGET_HAS_FOCUS(c->searchbar)) {
		switch(ev->keyval) {
		case GDK_Escape:
			hidesearch(c);
			return TRUE;
		case GDK_Return:
			webkit_web_view_search_text(c->view,
					gtk_entry_get_text(GTK_ENTRY(c->searchbar)),
					FALSE,
					!(ev->state & GDK_SHIFT_MASK),
					TRUE);
			return TRUE;
		case GDK_Left:
		case GDK_Right:
			return FALSE;
		}
	}
	else if(GTK_WIDGET_HAS_FOCUS(c->urlbar)) {
		switch(ev->keyval) {
		case GDK_Escape:
			hideurl(c);
			return TRUE;
		case GDK_Return:
			loaduri(c, gtk_entry_get_text(GTK_ENTRY(c->urlbar)));
			hideurl(c);
			return TRUE;
		case GDK_Left:
		case GDK_Right:
			return FALSE;
		}
	}
	if(ev->state & GDK_CONTROL_MASK) {
		switch(ev->keyval) {
		case GDK_P:
			webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
			return TRUE;
		case GDK_p:
			gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteurl, c);
		case GDK_y:
			gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
			return TRUE;
		case GDK_r:
			webkit_web_view_reload(c->view);
			return TRUE;
		case GDK_R:
			webkit_web_view_reload_bypass_cache(c->view);
			return TRUE;
		case GDK_b:
			return TRUE;
		case GDK_g:
			showurl(c);
			return TRUE;
		case GDK_slash:
			showsearch(c);
			return TRUE;
		case GDK_plus:
		case GDK_equal:
			webkit_web_view_zoom_in(c->view);
			return TRUE;
		case GDK_minus:
			webkit_web_view_zoom_out(c->view);
			return TRUE;
		case GDK_0:
			webkit_web_view_set_zoom_level(c->view, 1.0);
			return TRUE;
		case GDK_n:
		case GDK_N:
			webkit_web_view_search_text(c->view,
					gtk_entry_get_text(GTK_ENTRY(c->searchbar)),
					FALSE,
					!(ev->state & GDK_SHIFT_MASK),
					TRUE);
			return TRUE;
		case GDK_h:
			webkit_web_view_go_back(c->view);
			return TRUE;
		case GDK_l:
			webkit_web_view_go_forward(c->view);
			return TRUE;
		}
	}
	else {
		switch(ev->keyval) {
		case GDK_Escape:
			stop(c);
			return TRUE;
		}
	}
	return FALSE;
}

void
linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c) {
	if(l)
		gtk_window_set_title(GTK_WINDOW(c->win), l);
	else
		updatetitle(c, NULL);
}

void
loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
	gchar *uri;

	ignore_once = TRUE;
	uri = geturi(c);
	XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), urlprop,
			XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
			strlen(uri) + 1);
}

void
loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
	c->progress = 0;
	updatetitle(c, NULL);
}

void
loadfile(Client *c, const gchar *f) {
	GIOChannel *chan = NULL;
	GError *e = NULL;
	GString *code;
	gchar *line, *uri;

	if(strcmp(f, "-") == 0) {
		chan = g_io_channel_unix_new(STDIN_FILENO);
		if (chan) {
			code = g_string_new("");
			while(g_io_channel_read_line(chan, &line, NULL, NULL,
						&e) == G_IO_STATUS_NORMAL) {
				g_string_append(code, line);
				g_free(line);
			}
			webkit_web_view_load_html_string(c->view, code->str,
					"file://.");
			g_io_channel_shutdown(chan, FALSE, NULL);
			g_string_free(code, TRUE);
		}
		uri = g_strdup("stdin");
	}
	else {
		uri = g_strdup_printf("file://%s", f);
		loaduri(c, uri);
	}
	updatetitle(c, uri);
	g_free(uri);
}

void
loaduri(Client *c, const gchar *uri) {
	gchar *u;
	u = g_strrstr(uri, "://") ? g_strdup(uri)
		: g_strdup_printf("http://%s", uri);
	webkit_web_view_load_uri(c->view, u);
	c->progress = 0;
	updatetitle(c, u);
	g_free(u);
}

Client *
newclient(void) {
	Client *c;
	if(!(c = calloc(1, sizeof(Client))))
		die("Cannot malloc!\n");
	/* Window */
	if(embed) {
		c->win = gtk_plug_new(0);
	}
	else {
		c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
		gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
	}
	gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
	g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
	g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);

	/* VBox */
	c->vbox = gtk_vbox_new(FALSE, 0);

	/* scrolled window */
	c->scroll = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
			GTK_POLICY_NEVER, GTK_POLICY_NEVER);

	/* webview */
	c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
	g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
	g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
	g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
	g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
	g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
	g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(newwindow), c);
	g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
	g_signal_connect_after(session, "request-started", G_CALLBACK(request), c);

	/* urlbar */
	c->urlbar = gtk_entry_new();
	gtk_entry_set_has_frame(GTK_ENTRY(c->urlbar), FALSE);

	/* searchbar */
	c->searchbar = gtk_entry_new();
	gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);

	/* downloadbar */

	/* Arranging */
	gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
	gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
	gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
	gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
	gtk_container_add(GTK_CONTAINER(c->vbox), c->urlbar);

	/* Setup */
	gtk_box_set_child_packing(GTK_BOX(c->vbox), c->urlbar, FALSE, FALSE, 0, GTK_PACK_START);
	gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
	gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
	gtk_widget_grab_focus(GTK_WIDGET(c->view));
	gtk_widget_hide_all(c->searchbar);
	gtk_widget_hide_all(c->urlbar);
	gtk_widget_show(c->vbox);
	gtk_widget_show(c->scroll);
	gtk_widget_show(GTK_WIDGET(c->view));
	gtk_widget_show(c->win);
	gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
	gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
	webkit_web_view_set_full_content_zoom(c->view, TRUE);
	c->download = NULL;
	c->title = NULL;
	c->next = clients;
	clients = c;
	if(showxid)
		printf("%u\n", (unsigned int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
	return c;
}

WebKitWebView *
newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
	Client *n = newclient();
	return n->view;
}

 
void
pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d) {
	if(text != NULL)
		loaduri((Client *) d, text);
}

GdkFilterReturn
processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
	Client *c = (Client *)d;
	XPropertyEvent *ev;
	Atom adummy;
	int idummy;
	unsigned long ldummy;
	unsigned char *buf = NULL;

	if(((XEvent *)e)->type == PropertyNotify) {
		ev = &((XEvent *)e)->xproperty;
		if(ev->atom == urlprop && ev->state == PropertyNewValue) {
			if(ignore_once)
			       ignore_once = FALSE;
			else {
				XGetWindowProperty(dpy, ev->window, urlprop, 0L, BUFSIZ, False, XA_STRING,
					&adummy, &idummy, &ldummy, &ldummy, &buf);
				loaduri(c, (gchar *)buf);
				XFree(buf);
			}
			return GDK_FILTER_REMOVE;
		}
	}
	return GDK_FILTER_CONTINUE;
}

void
progresschange(WebKitWebView* view, gint p, Client *c) {
	c->progress = p;
	updatetitle(c, NULL);
}

void
request(SoupSession *s, SoupMessage *m, Client *c) {
	soup_message_add_header_handler(m, "got-headers", "Set-Cookie",
			G_CALLBACK(proccookies), c);
}

void
setcookie(char *name, char *val, char *dom, char *path, long exp) {
	printf("%s %s %s %s %li\n", name, val, dom, path, exp);
}

void
setup(void) {
	dpy = GDK_DISPLAY();
	session = webkit_get_default_session();
	urlprop = XInternAtom(dpy, "_SURF_URL", False);
}

void
showsearch(Client *c) {
	hideurl(c);
	gtk_widget_show(c->searchbar);
	gtk_widget_grab_focus(c->searchbar);
}

void
showurl(Client *c) {
	gchar *uri;

	hidesearch(c);
	uri = geturi(c);
	gtk_entry_set_text(GTK_ENTRY(c->urlbar), uri);
	gtk_widget_show(c->urlbar);
	gtk_widget_grab_focus(c->urlbar);
}

void
stop(Client *c) {
	if(c->download)
		webkit_download_cancel(c->download);
	else
		webkit_web_view_stop_loading(c->view);
	c->download = NULL;
}

void
titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, Client *c) {
	updatetitle(c, t);
}

void
usage() {
	fputs("surf - simple browser\n", stderr);
	die("usage: surf [-e] [-x] [-u uri] [-f file]\n");
}

void
updatetitle(Client *c, const char *title) {
	gchar *t;

	if(title) {
		if(c->title)
			g_free(c->title);
		c->title = g_strdup(title);
	}
	if(c->progress == 100)
		t = g_strdup(c->title);
	else
		t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
	gtk_window_set_title(GTK_WINDOW(c->win), t);
	g_free(t);

}

int main(int argc, char *argv[]) {
	SoupSession *s;
	Client *c;
	int o;
	const gchar *home, *filename;

	gtk_init(NULL, NULL);
	if (!g_thread_supported())
		g_thread_init(NULL);
	setup();
	while((o = getopt(argc, argv, "vhxeu:f:")) != -1)
		switch(o) {
		case 'x':
			showxid = TRUE;
			break;
		case 'e':
			showxid = TRUE;
			embed = TRUE;
			break;
		case 'u':
			c = newclient();
			loaduri(c, optarg);
			break;
		case 'f':
			c = newclient();
			loadfile(c, optarg);
			break;
		case 'v':
			die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
			break;
		default:
			usage();
		}
	if(optind != argc)
		usage();
	if(!clients)
		newclient();

	/* make dirs */
	home = g_get_home_dir();
	filename = g_build_filename(home, ".surf", NULL);
	g_mkdir_with_parents(filename, 0711);
	filename = g_build_filename(home, ".surf", "dl", NULL);
	g_mkdir_with_parents(filename, 0755);

	/* cookie persistance */
	s = webkit_get_default_session();
	filename = g_build_filename(home, ".surf", "cookies", NULL);
	cookiejar = soup_cookie_jar_text_new(filename, FALSE);
	soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));

	gtk_main();
	cleanup();
	return EXIT_SUCCESS;
}