summaryrefslogtreecommitdiff
path: root/src/direct/DirectPhotoPage.vala
blob: b79eb0b3e0293504dbe6ed6794d17f3523f69c2d (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
/* Copyright 2016 Software Freedom Conservancy Inc.
 *
 * This software is licensed under the GNU Lesser General Public License
 * (version 2.1 or later).  See the COPYING file in this distribution.
 */

public class DirectPhotoPage : EditingHostPage {
    private File initial_file;
    private DirectViewCollection? view_controller = null;
    private File current_save_dir;
    private bool drop_if_dirty = false;
    private bool in_shutdown = false;
    
    public DirectPhotoPage(File file) {
        base (DirectPhoto.global, file.get_basename());
        
        if (!check_editable_file(file)) {
            Application.get_instance().panic();
            
            return;
        }
        
        initial_file = file;
        view_controller = new DirectViewCollection();
        current_save_dir = file.get_parent();
        
        DirectPhoto.global.items_altered.connect(on_photos_altered);
        
        get_view().selection_group_altered.connect(on_selection_group_altered);
    }
    
    ~DirectPhotoPage() {
        DirectPhoto.global.items_altered.disconnect(on_photos_altered);
    }
    
    protected override void init_collect_ui_filenames(Gee.List<string> ui_filenames) {
        base.init_collect_ui_filenames(ui_filenames);
        
        ui_filenames.add("direct_context.ui");
        ui_filenames.add("direct.ui");
    }

    private const GLib.ActionEntry[] entries = {
        { "Save", on_save },
        { "SaveAs", on_save_as },
        { "SendTo", on_send_to },
        { "Print", on_print },
        { "PrevPhoto", on_previous_photo },
        { "NextPhoto", on_next_photo },
        { "RotateClockwise", on_rotate_clockwise },
        { "RotateCounterclockwise", on_rotate_counterclockwise },
        { "FlipHorizontally", on_flip_horizontally },
        { "FlipVertically", on_flip_vertically },
        { "Enhance", on_enhance },
        { "Crop", toggle_crop },
        { "Straighten", toggle_straighten },
        { "RedEye", toggle_redeye },
        { "Adjust", toggle_adjust },
        { "Revert", on_revert },
        { "AdjustDateTime", on_adjust_date_time },
        { "SetBackground", on_set_background },
        { "IncreaseSize", on_increase_size },
        { "DecreaseSize", on_decrease_size },
        { "ZoomFit", snap_zoom_to_min },
        { "Zoom100", snap_zoom_to_isomorphic },
        { "Zoom200", snap_zoom_to_max }
    };

    protected override void add_actions (GLib.ActionMap map) {
        base.add_actions (map);

        map.add_action_entries (entries, this);
    }

    protected override void remove_actions(GLib.ActionMap map) {
        base.remove_actions(map);
        foreach (var entry in entries) {
            map.remove_action(entry.name);
        }
    }

    protected override InjectionGroup[] init_collect_injection_groups() {
        InjectionGroup[] groups = base.init_collect_injection_groups();
        
        InjectionGroup print_group = new InjectionGroup("PrintPlaceholder");
        print_group.add_menu_item(_("_Print"), "Print", "<Primary>p");
        
        groups += print_group;
        
        InjectionGroup bg_group = new InjectionGroup("SetBackgroundPlaceholder");
        bg_group.add_menu_item(_("Set as _Desktop Background"), "SetBackground", "<Primary>b");
        
        groups += bg_group;
        
        return groups;
    }
    
    private static bool check_editable_file(File file) {
        if (!FileUtils.test(file.get_path(), FileTest.EXISTS))
            AppWindow.error_message(_("%s does not exist.").printf(file.get_path()));
        else if (!FileUtils.test(file.get_path(), FileTest.IS_REGULAR))
            AppWindow.error_message(_("%s is not a file.").printf(file.get_path()));
        else if (!PhotoFileFormat.is_file_supported(file))
            AppWindow.error_message(_("%s does not support the file format of\n%s.").printf(
                Resources.APP_TITLE, file.get_path()));
        else
            return true;
        
        return false;
    }
    
    public override void realize() {
        if (base.realize != null)
            base.realize();
        
        DirectPhoto? photo = DirectPhoto.global.get_file_source(initial_file);
        
        if (photo != null) {
            display_mirror_of(view_controller, photo);
        } else {
            AppWindow.panic(_("Unable open photo %s. Sorry.").printf(initial_file.get_path()));
        }

        initial_file = null;
    }
    
    protected override void photo_changing(Photo new_photo) {
        if (get_photo() != null) {
            DirectPhoto tmp = get_photo() as DirectPhoto;
            
            if (tmp != null) {
                tmp.can_rotate_changed.disconnect(on_dphoto_can_rotate_changed);
            }
        }

        ((DirectPhoto) new_photo).demand_load();
        
        DirectPhoto tmp = new_photo as DirectPhoto;
        
        if (tmp != null) {
            tmp.can_rotate_changed.connect(on_dphoto_can_rotate_changed);
        }        
    }
    
    public File get_current_file() {
        return get_photo().get_file();
    }

    protected override bool on_context_buttonpress(Gdk.EventButton event) {
        popup_context_menu(get_context_menu(), event);

        return true;
    }

    private Gtk.Menu context_menu;

    private Gtk.Menu get_context_menu() {
        if (context_menu == null) {
            var model = this.builder.get_object ("DirectContextMenu")
                as GLib.MenuModel;
            context_menu = new Gtk.Menu.from_model (model);
            context_menu.attach_to_widget (this, null);
        }

        return this.context_menu;
    }

    private void update_zoom_menu_item_sensitivity() {
        set_action_sensitive("IncreaseSize", !get_zoom_state().is_max() && !get_photo_missing());
        set_action_sensitive("DecreaseSize", !get_zoom_state().is_default() && !get_photo_missing());
    }

    protected override void on_increase_size() {
        base.on_increase_size();
        
        update_zoom_menu_item_sensitivity();
    }
    
    protected override void on_decrease_size() {
        base.on_decrease_size();

        update_zoom_menu_item_sensitivity();
    }
    
    private void on_photos_altered(Gee.Map<DataObject, Alteration> map) {
        bool contains = false;
        if (has_photo()) {
            Photo photo = get_photo();
            foreach (DataObject object in map.keys) {
                if (((Photo) object) == photo) {
                    contains = true;
                    
                    break;
                }
            }
        }
        
        bool sensitive = has_photo() && !get_photo_missing();
        if (sensitive)
            sensitive = contains;
        
        set_action_sensitive("Save", sensitive && get_photo().get_file_format().can_write());
        set_action_sensitive("Revert", sensitive);
    }
    
    private void on_selection_group_altered() {
        // On EditingHostPage, the displayed photo is always selected, so this signal is fired
        // whenever a new photo is displayed (which even happens on an in-place save; the changes
        // are written and a new DirectPhoto is loaded into its place).
        //
        // In every case, reset the CommandManager, as the command stack is not valid against this
        // new file.
        get_command_manager().reset();
    }
    
    protected override bool on_double_click(Gdk.EventButton event) {
        FullscreenWindow? fs = get_container() as FullscreenWindow;
        if (fs != null) {
            fs.close();
            
            return true;
        } else {
            var direct_window = get_container() as DirectWindow;
            if (direct_window != null) {
                direct_window.do_fullscreen();

                return true;
            }
        }
        
        return base.on_double_click(event);
    }
    
    protected override void update_ui(bool missing) {
        bool sensitivity = !missing;
        
        set_action_sensitive("Save", sensitivity);
        set_action_sensitive("SaveAs", sensitivity);
        set_action_sensitive("SendTo", sensitivity);
        set_action_sensitive("Publish", sensitivity);
        set_action_sensitive("Print", sensitivity);
        set_action_sensitive("CommonJumpToFile", sensitivity);
        
        set_action_sensitive("CommonUndo", sensitivity);
        set_action_sensitive("CommonRedo", sensitivity);
        
        set_action_sensitive("IncreaseSize", sensitivity);
        set_action_sensitive("DecreaseSize", sensitivity);
        set_action_sensitive("ZoomFit", sensitivity);
        set_action_sensitive("Zoom100", sensitivity);
        set_action_sensitive("Zoom200", sensitivity);
        
        set_action_sensitive("RotateClockwise", sensitivity);
        set_action_sensitive("RotateCounterclockwise", sensitivity);
        set_action_sensitive("FlipHorizontally", sensitivity);
        set_action_sensitive("FlipVertically", sensitivity);
        set_action_sensitive("Enhance", sensitivity);
        set_action_sensitive("Crop", sensitivity);
        set_action_sensitive("Straighten", sensitivity);
        set_action_sensitive("RedEye", sensitivity);
        set_action_sensitive("Adjust", sensitivity);
        set_action_sensitive("Revert", sensitivity);
        set_action_sensitive("AdjustDateTime", sensitivity);
        set_action_sensitive("Fullscreen", sensitivity);
        
        set_action_sensitive("SetBackground", has_photo() && !get_photo_missing());
        
        base.update_ui(missing);
    }
    
    protected override void update_actions(int selected_count, int count) {
        bool multiple = get_view().get_count() > 1;
        bool revert_possible = has_photo() ? get_photo().has_transformations() 
            && !get_photo_missing() : false;
        bool rotate_possible = has_photo() ? is_rotate_available(get_photo()) : false;
        bool enhance_possible = has_photo() ? is_enhance_available(get_photo()) : false;
        
        set_action_sensitive("PrevPhoto", multiple);
        set_action_sensitive("NextPhoto", multiple);
        set_action_sensitive("RotateClockwise", rotate_possible);
        set_action_sensitive("RotateCounterclockwise", rotate_possible);
        set_action_sensitive("FlipHorizontally", rotate_possible);
        set_action_sensitive("FlipVertically", rotate_possible);
        set_action_sensitive("Revert", revert_possible);
        set_action_sensitive("Enhance", enhance_possible);
        
        set_action_sensitive("SetBackground", has_photo());
        
        if (has_photo()) {
            set_action_sensitive("Crop", EditingTools.CropTool.is_available(get_photo(), Scaling.for_original()));
            set_action_sensitive("RedEye", EditingTools.RedeyeTool.is_available(get_photo(), 
                Scaling.for_original()));
        }

        // can't write to raws, and trapping the output JPEG here is tricky,
        // so don't allow date/time changes here.
        if (get_photo() != null) {
            set_action_sensitive("AdjustDateTime", (get_photo().get_file_format() != PhotoFileFormat.RAW));
        } else {
            set_action_sensitive("AdjustDateTime", false);
        }
                
        base.update_actions(selected_count, count);
    }
    
    private bool check_ok_to_close_photo(Photo? photo, bool notify = true) {
        // Means we failed to load the photo for some reason. Do not block
        // shutdown
        if (photo == null)
            return true;

        if (!photo.has_alterations())
            return true;
        
        if (drop_if_dirty) {
            // need to remove transformations, or else they stick around in memory (reappearing
            // if the user opens the file again)
            photo.remove_all_transformations(notify);
            
            return true;
        }

        // Check if we can write the target format
        bool is_writeable = get_photo().get_file_format().can_write();
        
        // TODO: Check if we can actually write to the file
        string save_option = is_writeable ? _("_Save") : _("_Save a Copy");

        Gtk.ResponseType response = AppWindow.negate_affirm_cancel_question(
            _("Lose changes to %s?").printf(photo.get_basename()), save_option,
            _("Close _without Saving"));

        if (response == Gtk.ResponseType.YES)
            photo.remove_all_transformations(notify);
        else if (response == Gtk.ResponseType.NO) {
            if (is_writeable)
                save(photo.get_file(), 0, ScaleConstraint.ORIGINAL, Jpeg.Quality.HIGH,
                    get_photo().get_file_format());
            else
                on_save_as();
        } else if ((response == Gtk.ResponseType.CANCEL) || (response == Gtk.ResponseType.DELETE_EVENT) ||
            (response == Gtk.ResponseType.CLOSE)) {
            in_shutdown = false;
            return false;
        }

        return true;
    }
    
    public bool check_quit() {
        in_shutdown = true;
        return check_ok_to_close_photo(get_photo(), false);
    }
    
    protected override bool confirm_replace_photo(Photo? old_photo, Photo new_photo) {
        return (old_photo != null) ? check_ok_to_close_photo(old_photo) : true;
    }

    private void save(File dest, int scale, ScaleConstraint constraint, Jpeg.Quality quality,
        PhotoFileFormat format, bool copy_unmodified = false, bool save_metadata = true) {

        Scaling scaling = Scaling.for_constraint(constraint, scale, false);
    
        try {
            get_photo().export(dest, scaling, quality, format, copy_unmodified, save_metadata);
        } catch (Error err) {
            AppWindow.error_message(_("Error while saving to %s: %s").printf(dest.get_path(),
                err.message));

            return;
        }

        if (in_shutdown) return;

        // Fetch the DirectPhoto and reimport.
        DirectPhoto photo;
        DirectPhoto.global.fetch(dest, out photo, true);

        if (!get_photo().equals(photo)) {
            DirectView tmp_view = new DirectView(photo);
            view_controller.add(tmp_view);
        }

        DirectPhoto.global.reimport_photo(photo);
        display_mirror_of(view_controller, photo);
    }

    private void on_save() {
        if (!get_photo().has_alterations() || !get_photo().get_file_format().can_write() || 
            get_photo_missing())
            return;

        // save full-sized version right on top of the current file
        save(get_photo().get_file(), 0, ScaleConstraint.ORIGINAL, Jpeg.Quality.HIGH,
            get_photo().get_file_format());
    }
    
    private void on_save_as() {
        ExportDialog export_dialog = new ExportDialog(_("Save As"));
        
        int scale;
        ScaleConstraint constraint;
        ExportFormatParameters export_params = ExportFormatParameters.last();
        if (!export_dialog.execute(out scale, out constraint, ref export_params))
            return;

        string filename = get_photo().get_export_basename_for_parameters(export_params);
        PhotoFileFormat effective_export_format =
            get_photo().get_export_format_for_parameters(export_params);

        string[] output_format_extensions =
            effective_export_format.get_properties().get_known_extensions();
        Gtk.FileFilter output_format_filter = new Gtk.FileFilter();
        output_format_filter.set_filter_name(_("Supported image formats"));
        foreach(string extension in output_format_extensions) {
            string uppercase_extension = extension.up();
            output_format_filter.add_pattern("*." + extension);
            output_format_filter.add_pattern("*." + uppercase_extension);
        }

        Gtk.FileFilter all_files = new Gtk.FileFilter();
        all_files.add_pattern("*");
        all_files.set_filter_name(_("All files"));

        var save_as_dialog = new Gtk.FileChooserNative(_("Save As"), 
            AppWindow.get_instance(), Gtk.FileChooserAction.SAVE, Resources.OK_LABEL, Resources.CANCEL_LABEL);
        save_as_dialog.set_select_multiple(false);
        save_as_dialog.set_current_name(filename);
        save_as_dialog.set_current_folder(current_save_dir.get_path());
        save_as_dialog.add_filter(output_format_filter);
        save_as_dialog.add_filter(all_files);
        save_as_dialog.set_do_overwrite_confirmation(true);
        save_as_dialog.set_local_only(false);
        
        int response = save_as_dialog.run();
        if (response == Gtk.ResponseType.ACCEPT) {
            // flag to prevent asking user about losing changes to the old file (since they'll be
            // loaded right into the new one)
            drop_if_dirty = true;
            save(File.new_for_uri(save_as_dialog.get_uri()), scale, constraint, export_params.quality,
                effective_export_format, export_params.mode == ExportFormatMode.UNMODIFIED, 
                export_params.export_metadata);
            drop_if_dirty = false;

            current_save_dir = File.new_for_path(save_as_dialog.get_current_folder());
        }
        
        save_as_dialog.destroy();
    }
    
    private void on_send_to() {
        if (has_photo())
            DesktopIntegration.send_to((Gee.Collection<Photo>) get_view().get_selected_sources());
    }
    
    protected override bool on_app_key_pressed(Gdk.EventKey event) {
        bool handled = true;
        
        switch (Gdk.keyval_name(event.keyval)) {
            case "bracketright":
                activate_action("RotateClockwise");
            break;
            
            case "bracketleft":
                activate_action("RotateCounterclockwise");
            break;
            
            default:
                handled = false;
            break;
        }
        
        return handled ? true : base.on_app_key_pressed(event);
    }
    
    private void on_print() {
        if (get_view().get_selected_count() > 0) {
            PrintManager.get_instance().spool_photo(
                (Gee.Collection<Photo>) get_view().get_selected_sources_of_type(typeof(Photo)));
        }
    }
    
    private void on_dphoto_can_rotate_changed(bool should_allow_rotation) {
        // since this signal handler can be called from a background thread (gah, don't get me
        // started...), chain to the "enable-rotate" signal in the foreground thread, as it's
        // tied to UI elements
        Idle.add(() => {
            enable_rotate(should_allow_rotation);
            
            return false;
        });
    }
    
    protected override DataView create_photo_view(DataSource source) {
        return new DirectView((DirectPhoto) source);
    }
}

public class DirectFullscreenPhotoPage : DirectPhotoPage {
    public DirectFullscreenPhotoPage(File file) {
        base(file);
    }
    
    protected override void init_collect_ui_filenames(Gee.List<string> ui_filenames) {
        // We intentionally avoid calling the base class implementation since we don't want
        // direct.ui.
        ui_filenames.add("direct_context.ui");
    }
}