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
|
/*
Copyright (C) 2011-2013 Christian Dywan <christian@twotoats.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See the file COPYING for the full license text.
*/
namespace Katze {
extern static string mkdir_with_parents (string pathname, int mode);
}
namespace Sokoke {
extern static string js_script_eval (void* ctx, string script, void* error);
}
namespace Midori {
public errordomain SpeedDialError {
INVALID_MESSAGE,
NO_ACTION,
NO_ID,
NO_URL,
NO_TITLE,
NO_ID2,
INVALID_ACTION,
}
public class SpeedDial : GLib.Object {
string filename;
string? html = null;
List<Spec> thumb_queue = null;
#if !HAVE_WEBKIT2
WebKit.WebView thumb_view = null;
Spec? spec = null;
#endif
public GLib.KeyFile keyfile;
public bool close_buttons_left { get; set; default = false; }
public signal void refresh ();
public class Spec {
public string dial_id;
public string uri;
public Spec (string dial_id, string uri) {
this.dial_id = dial_id;
this.uri = uri;
}
}
public SpeedDial (string new_filename, string? fallback = null) {
filename = new_filename;
thumb_queue = new GLib.List<Spec> ();
keyfile = new GLib.KeyFile ();
try {
keyfile.load_from_file (filename, GLib.KeyFileFlags.NONE);
}
catch (GLib.Error io_error) {
string json;
size_t len;
try {
FileUtils.get_contents (fallback ?? (filename + ".json"),
out json, out len);
}
catch (GLib.Error fallback_error) {
json = "'{}'";
len = 4;
}
var script = new StringBuilder.sized (len);
script.append ("var json = JSON.parse (");
script.append_len (json, (ssize_t)len);
script.append ("""
);
var keyfile = '';
for (var i in json['shortcuts']) {
var tile = json['shortcuts'][i];
keyfile += '[Dial ' + tile['id'].substring (1) + ']\n'
+ 'uri=' + tile['href'] + '\n'
+ 'img=' + tile['img'] + '\n'
+ 'title=' + tile['title'] + '\n\n';
}
var columns = json['width'] ? json['width'] : 3;
var rows = json['shortcuts'] ? json['shortcuts'].length / columns : 0;
keyfile += '[settings]\n'
+ 'columns=' + columns + '\n'
+ 'rows=' + (rows > 3 ? rows : 3) + '\n\n';
keyfile;
""");
try {
keyfile.load_from_data (
Sokoke.js_script_eval (null, script.str, null),
-1, 0);
}
catch (GLib.Error eval_error) {
GLib.critical ("Failed to parse %s as speed dial JSON: %s",
fallback ?? (filename + ".json"), eval_error.message);
}
Katze.mkdir_with_parents (
Path.build_path (Path.DIR_SEPARATOR_S,
Environment.get_user_cache_dir (),
PACKAGE_NAME, "thumbnails"), 0700);
foreach (string tile in keyfile.get_groups ()) {
try {
string img = keyfile.get_string (tile, "img");
keyfile.remove_key (tile, "img");
string uri = keyfile.get_string (tile, "uri");
if (img != null && uri[0] != '\0' && uri[0] != '#') {
uchar[] decoded = Base64.decode (img);
FileUtils.set_data (build_thumbnail_path (uri), decoded);
}
}
catch (GLib.Error img_error) {
/* img and uri can be missing */
}
}
}
}
public string get_next_free_slot (out uint count = null) {
uint slot_count = 0;
foreach (string tile in keyfile.get_groups ()) {
try {
if (keyfile.has_key (tile, "uri"))
slot_count++;
}
catch (KeyFileError error) { }
}
count = slot_count;
uint slot = 1;
while (slot <= slot_count) {
string tile = "Dial %u".printf (slot);
if (!keyfile.has_group (tile))
return tile;
slot++;
}
return "Dial %u".printf (slot_count + 1);
}
public void add (string uri, string title, Gdk.Pixbuf? img) {
string id = get_next_free_slot ();
uint slot = id.substring (5, -1).to_int ();
try {
save_message ("speed_dial-save-add %u %s".printf (slot, uri));
}
catch (Error error) {
critical ("Failed to add speed dial thumbnail: %s", error.message);
}
}
public void add_with_id (string id, string uri, string title, Gdk.Pixbuf? img) {
keyfile.set_string (id, "uri", uri);
keyfile.set_string (id, "title", title);
Katze.mkdir_with_parents (Path.build_path (Path.DIR_SEPARATOR_S,
Paths.get_cache_dir (), "thumbnails"), 0700);
string filename = build_thumbnail_path (uri);
try {
img.save (filename, "png", null, "compression", "7", null);
}
catch (Error error) {
critical ("Failed to save speed dial thumbnail: %s", error.message);
}
save ();
}
string build_thumbnail_path (string filename) {
string thumbnail = Checksum.compute_for_string (ChecksumType.MD5, filename) + ".png";
return Path.build_filename (Paths.get_cache_dir (), "thumbnails", thumbnail);
}
public unowned string get_html () throws Error {
bool load_missing = true;
if (html != null)
return html;
string? head = null;
string filename = Paths.get_res_filename ("speeddial-head.html");
if (keyfile != null
&& FileUtils.get_contents (filename, out head, null)) {
string header = head.replace ("{title}", _("Speed Dial")).
replace ("{click_to_add}", _("Click to add a shortcut")).
replace ("{enter_shortcut_address}", _("Enter shortcut address")).
replace ("{are_you_sure}", _("Are you sure you want to delete this shortcut?"));
var markup = new StringBuilder (header);
uint slot_count = 1;
string dial_id = get_next_free_slot (out slot_count);
uint next_slot = dial_id.substring (5, -1).to_int ();
/* Try to guess the best X by X grid size */
uint grid_index = 3;
while ((grid_index * grid_index) < slot_count)
grid_index++;
/* Percent width size of one slot */
uint slot_size = (100 / grid_index);
/* No editing in private/ app mode or without scripts */
markup.append_printf (
"%s<style>.cross { display:none }</style>%s" +
"<style> div.shortcut { height: %d%%; width: %d%%; }</style>\n",
Paths.is_readonly () ? "" : "<noscript>",
Paths.is_readonly () ? "" : "</noscript>",
slot_size + 1, slot_size - 4);
/* Combined width of slots should always be less than 100%.
* Use half of the remaining percentage as a margin size */
uint div_factor;
if (slot_size * grid_index >= 100 && grid_index > 4)
div_factor = 8;
else
div_factor = 2;
uint margin = (100 - ((slot_size - 4) * grid_index)) / div_factor;
if (margin > 9)
margin = margin % 10;
markup.append_printf (
"<style> body { overflow:hidden } #content { margin-left: %u%%; }</style>", margin);
if (close_buttons_left)
markup.append_printf (
"<style>.cross { left: -14px }</style>");
foreach (string tile in keyfile.get_groups ()) {
try {
string uri = keyfile.get_string (tile, "uri");
if (uri != null && uri.str ("://") != null && tile.has_prefix ("Dial ")) {
string title = keyfile.get_string (tile, "title");
string thumb_filename = build_thumbnail_path (uri);
uint slot = tile.substring (5, -1).to_int ();
string encoded;
try {
uint8[] thumb;
FileUtils.get_data (thumb_filename, out thumb);
encoded = Base64.encode (thumb);
}
catch (FileError error) {
encoded = null;
if (load_missing)
get_thumb (tile, uri);
}
markup.append_printf ("""
<div class="shortcut" id="%u"><div class="preview">
<a class="cross" href="#"></a>
<a href="%s"><img src="data:image/png;base64,%s" title='%s'></a>
</div><input type="text" class="title selectable" value="%s"></div>
""",
slot, uri, encoded ?? "", title, title ?? "");
}
else if (tile != "settings")
keyfile.remove_group (tile);
}
catch (KeyFileError error) { }
}
markup.append_printf ("""
<div class="shortcut" id="%u"><div class="preview new">
<a class="add" href="#"></a>
</div><div class="title">%s</div></div>
""",
next_slot, _("Click to add a shortcut"));
markup.append_printf ("</div>\n</body>\n</html>\n");
html = markup.str;
}
else
html = "";
return html;
}
public void save_message (string message) throws Error {
if (!message.has_prefix ("speed_dial-save-"))
throw new SpeedDialError.INVALID_MESSAGE ("Invalid message '%s'", message);
string msg = message.substring (16, -1);
string[] parts = msg.split (" ", 3);
if (parts[0] == null)
throw new SpeedDialError.NO_ACTION ("No action.");
string action = parts[0];
if (parts[1] == null)
throw new SpeedDialError.NO_ID ("No ID argument.");
string dial_id = "Dial " + parts[1];
if (action == "delete") {
string uri = keyfile.get_string (dial_id, "uri");
string file_path = build_thumbnail_path (uri);
keyfile.remove_group (dial_id);
FileUtils.unlink (file_path);
}
else if (action == "add") {
if (parts[2] == null)
throw new SpeedDialError.NO_URL ("No URL argument.");
keyfile.set_string (dial_id, "uri", parts[2]);
get_thumb (dial_id, parts[2]);
}
else if (action == "rename") {
if (parts[2] == null)
throw new SpeedDialError.NO_TITLE ("No title argument.");
string title = parts[2];
keyfile.set_string (dial_id, "title", title);
}
else if (action == "swap") {
if (parts[2] == null)
throw new SpeedDialError.NO_ID2 ("No ID2 argument.");
string dial2_id = "Dial " + parts[2];
string uri = keyfile.get_string (dial_id, "uri");
string title = keyfile.get_string (dial_id, "title");
string uri2 = keyfile.get_string (dial2_id, "uri");
string title2 = keyfile.get_string (dial2_id, "title");
keyfile.set_string (dial_id, "uri", uri2);
keyfile.set_string (dial2_id, "uri", uri);
keyfile.set_string (dial_id, "title", title2);
keyfile.set_string (dial2_id, "title", title);
}
else
throw new SpeedDialError.INVALID_ACTION ("Invalid action '%s'", action);
save ();
}
void save () {
html = null;
try {
FileUtils.set_contents (filename, keyfile.to_data ());
}
catch (Error error) {
critical ("Failed to update speed dial: %s", error.message);
}
refresh ();
}
#if !HAVE_WEBKIT2
void load_status (GLib.Object thumb_view_, ParamSpec pspec) {
if (thumb_view.load_status != WebKit.LoadStatus.FINISHED
&& thumb_view.load_status != WebKit.LoadStatus.FAILED)
return;
thumb_view.notify["load-status"].disconnect (load_status);
/* Schedule an idle to give the offscreen time to draw */
Idle.add (save_thumbnail);
}
#endif
#if !HAVE_WEBKIT2
bool save_thumbnail () {
return_val_if_fail (spec != null, false);
var offscreen = (thumb_view.parent as Gtk.OffscreenWindow);
var pixbuf = offscreen.get_pixbuf ();
int image_width = pixbuf.get_width (), image_height = pixbuf.get_height ();
int thumb_width = 240, thumb_height = 160;
float image_ratio = image_width / image_height;
float thumb_ratio = thumb_width / thumb_height;
int x_offset, y_offset, computed_width, computed_height;
if (image_ratio > thumb_ratio) {
computed_width = (int)(image_height * thumb_ratio);
computed_height = image_height;
x_offset = (image_width - computed_width) / 2;
y_offset = 0;
}
else {
computed_width = image_width;
computed_height = (int)(image_width / thumb_ratio);
x_offset = 0;
y_offset = 0;
}
var sub = pixbuf;
if (y_offset + computed_height <= image_height)
sub = new Gdk.Pixbuf.subpixbuf (pixbuf, x_offset, y_offset, computed_width, computed_height);
var scaled = sub.scale_simple (thumb_width, thumb_height, Gdk.InterpType.TILES);
add_with_id (spec.dial_id, spec.uri, thumb_view.get_title () ?? spec.uri, scaled);
thumb_queue.remove (spec);
if (thumb_queue.length () > 0) {
spec = thumb_queue.nth_data (0);
thumb_view.notify["load-status"].connect (load_status);
thumb_view.load_uri (spec.uri);
}
return false;
}
#endif
void get_thumb (string dial_id, string uri) {
#if !HAVE_WEBKIT2
if (thumb_view == null) {
thumb_view = new WebKit.WebView ();
thumb_view.settings.set (
"enable-scripts", false,
"enable-plugins", false,
"auto-load-images", true,
"enable-html5-database", false,
"enable-html5-local-storage", false,
"enable-java-applet", false);
var offscreen = new Gtk.OffscreenWindow ();
offscreen.add (thumb_view);
thumb_view.set_size_request (800, 600);
offscreen.show_all ();
}
/* Don't load thumbnails already queued */
foreach (var spec_ in thumb_queue)
if (spec_.dial_id == dial_id)
return;
thumb_queue.append (new Spec (dial_id, uri));
if (thumb_queue.length () > 1)
return;
spec = thumb_queue.nth_data (0);
thumb_view.notify["load-status"].connect (load_status);
thumb_view.load_uri (spec.uri);
#endif
}
}
}
|