2 * (C) Copyright 2004-2007 Shawn Betts
3 * (C) Copyright 2007-2012 John J. Foerch
4 * (C) Copyright 2007-2008 Jeremy Maitin-Shepard
6 * Use, modification, and distribution are subject to the terms specified in the
10 var define_buffer_local_hook = local_hook_definer("window");
12 function define_current_buffer_hook (hook_name, existing_hook) {
13 define_buffer_local_hook(hook_name);
14 add_hook(existing_hook, function (buffer) {
15 if (!buffer.window.buffers || buffer != buffer.window.buffers.current)
17 var hook = conkeror[hook_name];
18 hook.run.apply(hook, Array.prototype.slice.call(arguments));
22 define_buffer_local_hook("buffer_title_change_hook");
23 define_buffer_local_hook("buffer_description_change_hook");
24 define_buffer_local_hook("buffer_icon_change_hook");
25 define_buffer_local_hook("select_buffer_hook");
26 define_buffer_local_hook("create_buffer_early_hook");
27 define_buffer_local_hook("create_buffer_late_hook");
28 define_buffer_local_hook("create_buffer_hook");
29 define_buffer_local_hook("kill_buffer_hook");
30 define_buffer_local_hook("move_buffer_hook");
31 define_buffer_local_hook("buffer_scroll_hook");
32 define_buffer_local_hook("buffer_dom_content_loaded_hook");
33 define_buffer_local_hook("buffer_loaded_hook");
34 define_buffer_local_hook("set_input_mode_hook");
35 define_buffer_local_hook("zoom_hook");
37 define_current_buffer_hook("current_buffer_title_change_hook", "buffer_title_change_hook");
38 define_current_buffer_hook("current_buffer_description_change_hook", "buffer_description_change_hook");
39 define_current_buffer_hook("current_buffer_icon_change_hook", "buffer_icon_change_hook");
40 define_current_buffer_hook("current_buffer_scroll_hook", "buffer_scroll_hook");
41 define_current_buffer_hook("current_buffer_dom_content_loaded_hook", "buffer_dom_content_loaded_hook");
42 define_current_buffer_hook("current_buffer_zoom_hook", "zoom_hook");
45 function buffer_position_before (container, b, i) {
49 function buffer_position_after (container, b, i) {
53 function buffer_position_end (container, b, i) {
54 return container.count;
57 function buffer_position_end_by_type (container, b, i) {
58 // after last buffer of same type
59 var count = container.count;
62 container.get_buffer(p).constructor != b.constructor)
72 define_variable("new_buffer_position", buffer_position_end,
73 "Used to compute the position in the buffer-list at which "+
74 "to insert new buffers which do not have an opener. These "+
75 "include buffers created by typing an url or webjump, or "+
76 "buffers created via command-line remoting. The value "+
77 "should be a number giving the index or a function of three "+
78 "arguments that returns the index at which to insert the "+
79 "new buffer. The first argument is the buffer_container "+
80 "into which the new buffer is being inserted. The second "+
81 "argument is the buffer to be inserted. The third argument "+
82 "is the position of the currently selected buffer. Several "+
83 "such functions are provided, including, buffer_position_before, "+
84 "buffer_position_after, buffer_position_end, and "+
85 "buffer_position_end_by_type.");
87 define_variable("new_buffer_with_opener_position", buffer_position_after,
88 "Used to compute the position in the buffer-list at which "+
89 "to insert new buffers which have an opener in the same "+
90 "window. These include buffers created by following a link "+
91 "or frame, and contextual help buffers. The allowed values "+
92 "are the same as those for `new_buffer_position', except that "+
93 "the second argument passed to the function is the index of "+
94 "the opener instead of the index of the current buffer (often "+
95 "one and the same).");
97 define_variable("bury_buffer_position", null,
98 "Used to compute the position in the buffer-list to move a "+
99 "buried buffer to. A value of null prevents bury-buffer "+
100 "from moving the buffer at all. Other allowed values are "+
101 "the same as those for `new_buffer_position', except that "+
102 "the second argument passed to the function is the index of "+
103 "the new buffer that will be selected after burying the "+
106 define_variable("allow_browser_window_close", true,
107 "If this is set to true, if a content buffer page calls " +
108 "window.close() from JavaScript and is not prevented by the " +
109 "normal Mozilla mechanism that restricts pages from closing " +
110 "a window that was not opened by a script, the buffer will be " +
111 "killed, deleting the window as well if it is the only buffer.");
113 define_keywords("$opener", "$position");
114 function buffer_creator (type) {
115 var args = forward_keywords(arguments);
116 return function (window) {
117 return new type(window, args);
121 function point_state () {
123 point_state.prototype = {
124 constructor: point_state,
125 toString: function () "#<point_state>",
132 function buffer_modality (buffer) {
133 buffer.keymaps.push(default_global_keymap);
136 function buffer (window) {
137 this.constructor_begin();
138 keywords(arguments, $position = this.default_position);
139 this.opener = arguments.$opener;
140 this.window = window;
141 var element = create_XUL(window, "vbox");
142 element.setAttribute("flex", "1");
143 var browser = create_XUL(window, "browser");
144 browser.setAttribute("type", "content");
145 browser.setAttribute("flex", "1");
146 browser.setAttribute("autocompletepopup", "popup_autocomplete");
147 element.appendChild(browser);
148 this.window.buffers.container.appendChild(element);
149 this.window.buffers.insert(this, arguments.$position, this.opener);
150 this.window.buffers.buffer_history.push(this);
151 this.element = element;
152 this.browser = element.firstChild;
153 this.element.conkeror_buffer_object = this;
155 this.local = { __proto__: conkeror };
157 this.enabled_modes = [];
158 this.default_browser_object_classes = {};
162 this.browser.addEventListener("scroll", function (event) {
163 buffer_scroll_hook.run(buffer);
164 }, true /* capture */);
166 this.browser.addEventListener("DOMContentLoaded", function (event) {
167 buffer_dom_content_loaded_hook.run(buffer);
168 }, true /* capture */);
170 this.window.setTimeout(function () { create_buffer_late_hook.run(buffer); }, 0);
172 this.browser.addEventListener("load", function (event) {
173 if (event.target == buffer.document)
174 buffer_loaded_hook.run(buffer);
175 }, true /* capture */);
177 this.browser.addEventListener("DOMWindowClose", function (event) {
178 /* This call to preventDefault is very important; without
179 * it, somehow Mozilla does something bad and as a result
180 * the window loses focus, causing keyboard commands to
182 event.preventDefault();
184 if (allow_browser_window_close)
185 kill_buffer(buffer, true);
188 this.browser.addEventListener("focus", function (event) {
189 if (buffer.focusblocker &&
190 event.target instanceof Ci.nsIDOMHTMLElement &&
191 buffer.focusblocker(buffer, event))
195 buffer.set_input_mode();
198 this.browser.addEventListener("blur", function (event) {
199 buffer.set_input_mode();
204 this.web_navigation.sessionHistory.addSHistoryListener(this);
205 this.point_history = [];
206 this.point_history.index = -1;
208 this.modalities = [buffer_modality];
210 // When create_buffer_early_hook runs, basic buffer properties
211 // will be available, but not the properties subclasses.
212 create_buffer_early_hook.run(this);
214 this.constructor_end();
218 toString: function () "#<buffer>",
219 QueryInterface: generate_QI(Ci.nsISHistoryListener, Ci.nsISupportsWeakReference),
221 // default_position is the default value for the $position keyword to
222 // the buffer constructor. This property can be set on the prototype
223 // of a subclass in order to override new_buffer_position and
224 // new_buffer_with_opener_position for specific types of buffers.
225 default_position: null,
227 /* Saved focus state */
228 saved_focused_frame: null,
229 saved_focused_element: null,
231 // get title () [must be defined by subclasses]
232 // get name () [must be defined by subclasses]
233 dead: false, /* This is set when the buffer is killed */
238 // The property focusblocker is available for an external module to
239 // put a function on which takes a buffer as its argument and returns
240 // true to block a focus event, or false to let normal processing
241 // occur. Having this one property explicitly handled by the buffer
242 // class allows for otherwise modular focus-blockers.
245 // icon is a string url of an icon to use for this buffer. Setting it
246 // causes buffer_icon_change_hook to be run.
248 get icon () this._icon,
250 if (this._icon != x) {
252 buffer_icon_change_hook.run(this);
258 set_default_message: function (str) {
259 this.default_message = str;
260 if (this == this.window.buffers.current)
261 this.window.minibuffer.set_default_message(str);
264 constructors_running: 0,
266 constructor_begin: function () {
267 this.constructors_running++;
270 constructor_end: function () {
271 if (--this.constructors_running == 0) {
272 create_buffer_hook.run(this);
273 this.set_input_mode();
278 destroy: function () {
280 this.web_navigation.sessionHistory.removeSHistoryListener(this);
281 this.point_history = null;
284 this.saved_focused_frame = null;
285 this.saved_focused_element = null;
286 // prevent modalities from accessing dead browser
287 this.modalities = [];
290 set_input_mode: function () {
291 if (this != this.window.buffers.current)
294 this.modalities.map(function (m) m(this), this);
295 set_input_mode_hook.run(this);
298 override_keymaps: function (keymaps) {
300 this.keymaps = keymaps;
301 this.set_input_mode = function () {
302 set_input_mode_hook.run(this);
305 delete this.set_input_mode;
306 this.set_input_mode();
309 /* Browser accessors */
310 get top_frame () { return this.browser.contentWindow; },
311 get document () { return this.browser.contentDocument; },
312 get web_navigation () { return this.browser.webNavigation; },
313 get doc_shell () { return this.browser.docShell; },
314 get markup_document_viewer () { return this.browser.markupDocumentViewer; },
315 get current_uri () { return this.browser.currentURI; },
317 is_child_element: function (element) {
318 return (element && this.is_child_frame(element.ownerDocument.defaultView));
321 is_child_frame: function (frame) {
322 return (frame && frame.top == this.top_frame);
325 // This method is like focused_frame, except that if no content
326 // frame actually has focus, this returns null.
327 get focused_frame_or_null () {
328 var frame = this.window.document.commandDispatcher.focusedWindow;
329 if (this.is_child_frame(frame))
334 get focused_frame () {
335 var frame = this.window.document.commandDispatcher.focusedWindow;
336 if (this.is_child_frame(frame))
338 return this.top_frame;
341 get focused_element () {
342 var element = this.window.document.commandDispatcher.focusedElement;
343 if (this.is_child_element(element))
348 get focused_selection_controller () {
349 return this.focused_frame
350 .QueryInterface(Ci.nsIInterfaceRequestor)
351 .getInterface(Ci.nsIWebNavigation)
352 .QueryInterface(Ci.nsIInterfaceRequestor)
353 .getInterface(Ci.nsISelectionDisplay)
354 .QueryInterface(Ci.nsISelectionController);
357 do_command: function (command) {
358 function attempt_command (element, command) {
360 if (element.controllers
361 && (controller = element.controllers.getControllerForCommand(command)) != null
362 && controller.isCommandEnabled(command))
364 controller.doCommand(command);
370 var element = this.focused_element;
371 if (element && attempt_command(element, command))
373 var win = this.focused_frame;
375 if (attempt_command(win, command))
377 if (!win.parent || win == win.parent)
383 // nsISHistoryListener interface
386 get point () this.point_history[this.point_history.index] || null,
387 point_update: function () {
388 var p = this.point_history[this.point_history.index];
389 this.window.point.setAttribute("top", p.top);
390 this.window.point.setAttribute("left", p.left);
391 this.window.point.style.width = p.width + "px";
392 this.window.point.style.height = p.height + "px";
394 OnHistoryNewEntry: function (uri) {
395 dumpln("point_history_listener OnHistoryNewEntry");
396 this.point_history.push(new point_state());
397 this.point_history.index++;
400 OnHistoryGoBack: function (uri) {
401 dumpln("point_history_listener OnHistoryGoBack");
402 this.point_history.index--;
406 OnHistoryGoForward: function (uri) {
407 dumpln("point_history_listener OnHistoryGoForward");
408 this.point_history.index++;
412 OnHistoryReload: function (uri, reload_flags) {
413 dumpln("point_history_listener OnHistoryReload");
414 // perhaps save the xpath of any currently selected node so that
415 // we can attempt to reselect the same node after reload.
418 OnHistoryGotoIndex: function (index, uri) {
419 dumpln("point_history_listener OnHistoryGotoIndex");
420 this.point_history.index = index;
424 OnHistoryPurge: function (num_entries) {
425 dumpln("point_history_listener OnHistoryPurge");
426 this.point_history.splice(0, num_entries);
427 this.point_history.index -= num_entries;
432 function with_current_buffer (buffer, callback) {
433 return callback(new interactive_context(buffer));
436 function check_buffer (obj, type) {
437 if (!(obj instanceof type))
438 throw interactive_error("Buffer has invalid type.");
440 throw interactive_error("Buffer has already been killed.");
444 function caret_enabled (buffer) {
445 return buffer.browser.getAttribute('showcaret');
448 function clear_selection (buffer) {
449 let sel_ctrl = buffer.focused_selection_controller;
451 let sel = sel_ctrl.getSelection(sel_ctrl.SELECTION_NORMAL);
452 if (caret_enabled(buffer)) {
454 sel.collapseToStart();
456 sel.removeAllRanges();
462 function buffer_container (window, create_initial_buffer) {
463 this.window = window;
464 this.container = window.document.getElementById("buffer-container");
465 this.buffer_list = [];
466 this.buffer_history = [];
467 window.buffers = this;
468 create_initial_buffer(window);
470 buffer_container.prototype = {
471 constructor: buffer_container,
472 toString: function () "#<buffer_container>",
474 insert: function (buffer, position, opener) {
475 var i = this.index_of(opener);
476 if (position == null) {
478 position = new_buffer_position;
480 position = new_buffer_with_opener_position;
483 i = this.selected_index || 0;
485 if (position instanceof Function)
486 var p = position(this, buffer, i);
489 this.buffer_list.splice(p, 0, buffer);
491 this.buffer_list.splice(0, 0, buffer);
492 dumpln("Error inserting buffer, inserted at 0.");
498 return this.container.selectedPanel.conkeror_buffer_object;
501 set current (buffer) {
502 var old_value = this.current;
503 if (old_value == buffer)
506 this.buffer_history.splice(this.buffer_history.indexOf(buffer), 1);
507 this.buffer_history.unshift(buffer);
509 this._switch_away_from(this.current);
510 this._switch_to(buffer);
513 select_buffer_hook.run(buffer);
516 _switch_away_from: function (old_value) {
518 old_value.saved_focused_frame = old_value.focused_frame;
519 old_value.saved_focused_element = old_value.focused_element;
521 if ('isActive' in old_value.browser.docShell)
522 old_value.browser.docShell.isActive = false;
523 old_value.browser.setAttribute("type", "content");
526 _switch_to: function (buffer) {
527 // Select new buffer in the XUL deck
528 this.container.selectedPanel = buffer.element;
530 buffer.browser.setAttribute("type", "content-primary");
531 if ('isActive' in buffer.browser.docShell)
532 buffer.browser.docShell.isActive = true;
535 * This next focus call seems to be needed to avoid focus
536 * somehow getting lost (and the keypress handler therefore
537 * not getting called at all) when killing buffers.
541 // Restore focus state
542 buffer.browser.focus();
543 if (buffer.saved_focused_element)
544 set_focus_no_scroll(this.window, buffer.saved_focused_element);
545 else if (buffer.saved_focused_frame)
546 set_focus_no_scroll(this.window, buffer.saved_focused_frame);
548 buffer.saved_focused_element = null;
549 buffer.saved_focused_frame = null;
552 buffer.point_update();
554 buffer.set_input_mode();
556 this.window.minibuffer.set_default_message(buffer.default_message);
560 return this.buffer_list.length;
563 get_buffer: function (index) {
564 if (index >= 0 && index < this.count)
565 return this.buffer_list[index]
569 get selected_index () {
570 var nodes = this.buffer_list;
571 var count = nodes.length;
572 for (var i = 0; i < count; ++i)
573 if (nodes[i] == this.container.selectedPanel.conkeror_buffer_object)
578 index_of: function (b) {
579 var nodes = this.buffer_list;
580 var count = nodes.length;
581 for (var i = 0; i < count; ++i)
587 get unique_name_list () {
588 var existing_names = {};
590 this.for_each(function(b) {
591 var base_name = b.name;
592 var name = base_name;
594 while (existing_names[name]) {
596 name = base_name + "<" + index + ">";
598 existing_names[name] = true;
599 bufs.push([name, b]);
604 kill_buffer: function (b) {
607 var count = this.count;
610 var new_buffer = this.buffer_history[0];
612 if (b == new_buffer) {
613 new_buffer = this.buffer_history[1];
616 this._switch_away_from(this.current);
617 // The removeChild call below may trigger events in progress
618 // listeners. This call to `destroy' gives buffer subclasses a
619 // chance to remove such listeners, so that they cannot try to
620 // perform UI actions based upon a xul:browser that no longer
622 var element = b.element;
624 this.container.removeChild(element);
625 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
626 this.buffer_history.splice(this.buffer_history.indexOf(b), 1);
627 this._switch_to(new_buffer);
629 select_buffer_hook.run(new_buffer);
630 this.buffer_history.splice(this.buffer_history.indexOf(new_buffer), 1);
631 this.buffer_history.unshift(new_buffer);
633 kill_buffer_hook.run(b);
637 bury_buffer: function (b) {
638 var new_buffer = this.buffer_history[0];
640 new_buffer = this.buffer_history[1];
642 throw interactive_error("No other buffer");
643 if (bury_buffer_position != null) {
644 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
645 this.insert(b, bury_buffer_position, new_buffer);
647 this.buffer_history.splice(this.buffer_history.indexOf(b), 1);
648 this.buffer_history.push(b);
649 this.current = new_buffer;
650 if (bury_buffer_position != null)
651 move_buffer_hook.run(b);
655 unbury_buffer: function (b) {
656 var c = this.current;
657 if (bury_buffer_position != null) {
658 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
659 this.buffer_list.splice(this.buffer_list.indexOf(c), 0, b);
661 this.buffer_history.splice(this.buffer_history.indexOf(b), 1);
662 this.buffer_history.unshift(b);
664 if (bury_buffer_position != null)
665 move_buffer_hook.run(b);
669 for_each: function (f) {
670 var count = this.count;
671 for (var i = 0; i < count; ++i)
672 f(this.get_buffer(i));
676 function buffer_initialize_window_early (window) {
678 * Use content_buffer by default to handle an unusual case where
679 * browser.chromeURI is used perhaps. In general this default
680 * should not be needed.
682 var create_initial_buffer =
683 window.args.initial_buffer_creator || buffer_creator(content_buffer);
684 new buffer_container(window, create_initial_buffer);
687 add_hook("window_initialize_early_hook", buffer_initialize_window_early);
691 * initialize_first_buffer_type is a workaround for a XULRunner bug that
692 * first appeared in version 2.0, manifested as missing scrollbars in the
693 * first buffer of any window. It only affects content-primary browsers,
694 * and the workaround is to initialize the browser as type "content" then
695 * change it to content-primary after a delay.
697 function initialize_first_buffer_type (window) {
698 window.buffers.current.browser.setAttribute("type", "content-primary");
701 add_hook("window_initialize_late_hook", initialize_first_buffer_type);
704 define_buffer_local_hook("buffer_kill_before_hook", RUN_HOOK_UNTIL_FAILURE);
705 function buffer_before_window_close (window) {
706 var bs = window.buffers;
707 var count = bs.count;
708 for (let i = 0; i < count; ++i) {
709 if (!buffer_kill_before_hook.run(bs.get_buffer(i)))
714 add_hook("window_before_close_hook", buffer_before_window_close);
716 function buffer_window_close_handler (window) {
717 var bs = window.buffers;
718 var count = bs.count;
719 for (let i = 0; i < count; ++i) {
720 let b = bs.get_buffer(i);
724 add_hook("window_close_hook", buffer_window_close_handler);
726 /* open/follow targets */
727 const OPEN_CURRENT_BUFFER = 0; // only valid for open if the current
728 // buffer is a content_buffer.
729 const OPEN_NEW_BUFFER = 1;
730 const OPEN_NEW_BUFFER_BACKGROUND = 2;
731 const OPEN_NEW_WINDOW = 3;
733 const FOLLOW_DEFAULT = 4; // for open, implies OPEN_CURRENT_BUFFER
734 const FOLLOW_CURRENT_FRAME = 5; // for open, implies OPEN_CURRENT_BUFFER
736 var TARGET_PROMPTS = [" in current buffer",
738 " in new buffer (background)",
741 " in current frame"];
743 var TARGET_NAMES = ["current buffer",
745 "new buffer (background)",
751 function create_buffer (window, creator, target) {
753 case OPEN_NEW_BUFFER:
754 window.buffers.current = creator(window, null);
756 case OPEN_NEW_BUFFER_BACKGROUND:
757 creator(window, null);
759 case OPEN_NEW_WINDOW:
760 make_window(creator);
763 throw new Error("invalid target");
767 let (queued_buffer_creators = null) {
768 function create_buffer_in_current_window (creator, target, focus_existing) {
769 function process_queued_buffer_creators (window) {
770 for (var i = 0; i < queued_buffer_creators.length; ++i) {
771 var x = queued_buffer_creators[i];
772 create_buffer(window, x[0], x[1]);
774 queued_buffer_creators = null;
777 if (target == OPEN_NEW_WINDOW)
778 throw new Error("invalid target");
779 var window = get_recent_conkeror_window();
783 create_buffer(window, creator, target);
784 } else if (queued_buffer_creators != null) {
785 queued_buffer_creators.push([creator,target]);
787 queued_buffer_creators = [];
788 window = make_window(creator);
789 add_hook.call(window, "window_initialize_late_hook", process_queued_buffer_creators);
798 define_variable("read_buffer_show_icons", false,
799 "Boolean which says whether read_buffer should show buffer "+
800 "icons in the completions list.\nNote, setting this variable "+
801 "alone does not cause favicons or other kinds of icons to be "+
802 "fetched. For that, load the `favicon' (or similar other) "+
805 minibuffer_auto_complete_preferences["buffer"] = true;
806 define_keywords("$buffers", "$default");
807 minibuffer.prototype.read_buffer = function () {
808 var window = this.window;
809 keywords(arguments, $prompt = "Buffer:",
810 $buffers = function (visitor) window.buffers.for_each(visitor),
811 $default = window.buffers.current,
812 $history = "buffer");
813 var completer = all_word_completer(
814 $completions = arguments.$buffers,
815 $get_string = function (x) x.description,
816 $get_description = function (x) x.title,
817 $get_icon = (read_buffer_show_icons ?
818 function (x) x.icon : null));
819 var result = yield this.read(
820 $keymap = read_buffer_keymap,
821 $prompt = arguments.$prompt,
822 $history = arguments.$history,
823 $completer = completer,
824 $enable_icons = read_buffer_show_icons,
825 $match_required = true,
826 $auto_complete = "buffer",
827 $auto_complete_initial = true,
828 $auto_complete_delay = 0,
829 $default_completion = arguments.$default);
830 yield co_return(result);
834 function buffer_move_forward (window, count) {
835 var buffers = window.buffers;
836 var index = buffers.selected_index;
837 var buffer = buffers.current
838 var total = buffers.count;
841 var new_index = (index + count) % total;
842 if (new_index == index)
846 buffers.buffer_list.splice(index, 1);
847 buffers.buffer_list.splice(new_index, 0, buffer);
848 move_buffer_hook.run(buffer);
850 interactive("buffer-move-forward",
851 "Move the current buffer forward in the buffer order.",
852 function (I) { buffer_move_forward(I.window, I.p); });
854 interactive("buffer-move-backward",
855 "Move the current buffer backward in the buffer order.",
856 function (I) { buffer_move_forward(I.window, -I.p); });
859 function buffer_next (window, count) {
860 var index = window.buffers.selected_index;
861 var total = window.buffers.count;
863 throw new interactive_error("No other buffer");
864 index = (index + count) % total;
867 window.buffers.current = window.buffers.get_buffer(index);
869 interactive("buffer-next",
870 "Switch to the next buffer.",
871 function (I) { buffer_next(I.window, I.p); });
872 interactive("buffer-previous",
873 "Switch to the previous buffer.",
874 function (I) { buffer_next(I.window, -I.p); });
876 function switch_to_buffer (window, buffer) {
877 if (buffer && !buffer.dead)
878 window.buffers.current = buffer;
880 interactive("switch-to-buffer",
881 "Prompt for a buffer and switch to it.",
885 (yield I.minibuffer.read_buffer(
886 $prompt = "Switch to buffer:",
887 $default = (I.window.buffers.count > 1 ?
888 I.window.buffers.buffer_history[1] :
892 define_variable("can_kill_last_buffer", true,
893 "When true, kill-buffer can kill the last buffer in a window, "+
894 "and close the window.");
896 function kill_other_buffers (buffer) {
899 var bs = buffer.window.buffers;
901 while ((b = bs.get_buffer(0)) != buffer)
903 var count = bs.count;
905 bs.kill_buffer(bs.get_buffer(1));
907 interactive("kill-other-buffers",
908 "Kill all buffers except current one.\n",
909 function (I) { kill_other_buffers(I.buffer); });
912 function kill_buffer (buffer, force) {
915 var buffers = buffer.window.buffers;
916 if (buffers.count == 1 && buffer == buffers.current) {
917 if (can_kill_last_buffer || force) {
918 delete_window(buffer.window);
921 throw interactive_error("Can't kill last buffer.");
923 buffers.kill_buffer(buffer);
925 interactive("kill-buffer",
926 "Kill a buffer specified in the minibuffer.\n" +
927 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
928 "last remaining buffer in a window will cause the window to be closed.",
930 kill_buffer((yield I.minibuffer.read_buffer($prompt = "Kill buffer:")));
933 interactive("kill-current-buffer",
934 "Kill the current buffer.\n" +
935 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
936 "last remaining buffer in a window will cause the window to be closed.",
937 function (I) { kill_buffer(I.buffer); });
939 interactive("read-buffer-kill-buffer",
940 "Kill the current selected buffer in the completions list "+
941 "in a read buffer minibuffer interaction.",
943 var s = I.window.minibuffer.current_state;
944 var i = s.selected_completion_index;
945 var c = s.completions;
948 kill_buffer(c.get_value(i));
949 s.completer.refresh();
950 s.handle_input(I.window.minibuffer);
953 interactive("bury-buffer",
954 "Bury the current buffer.\nPut the current buffer at the end of " +
955 "the buffer list, so that it is the least likely buffer to be " +
956 "selected by `switch-to-buffer'.",
957 function (I) { I.window.buffers.bury_buffer(I.buffer); });
959 interactive("unbury-buffer",
960 "Unbury the buffer lowest in the buffer-history list.\n"+
961 "With universal argument, prompt for a buffer. When "+
962 "`bury_buffer_position` is non-null, move the buffer "+
963 "to the current position in the buffer list.",
965 var buffers = I.window.buffers;
966 if (I.prefix_argument)
967 var b = yield I.minibuffer.read_buffer(
968 $prompt = "Switch to buffer:",
969 $buffers = function (visitor) {
970 var count = buffers.count;
971 for (var i = count - 1; i >= 0; --i)
972 visitor(buffers.buffer_history[i]);
974 $default = buffers.buffer_history[buffers.count - 1]);
976 b = buffers.buffer_history[buffers.count - 1];
977 buffers.unbury_buffer(b);
980 function change_directory (buffer, dir) {
981 if (buffer.page != null)
982 delete buffer.page.local.cwd;
983 buffer.local.cwd = make_file(dir);
985 interactive("change-directory",
986 "Change the current directory of the selected buffer.",
990 (yield I.minibuffer.read_existing_directory_path(
991 $prompt = "Change to directory:",
992 $initial_value = make_file(I.local.cwd).path)));
995 interactive("shell-command", null,
997 var cwd = I.local.cwd;
998 var cmd = (yield I.minibuffer.read_shell_command($cwd = cwd));
999 yield shell_command(cmd, $cwd = cwd);
1004 * selection_is_embed_p is used to test whether the unfocus command can
1005 * unfocus an element, even though there is a selection. This happens
1006 * when the focused element is an html:embed.
1008 function selection_is_embed_p (sel, focused_element) {
1009 if (sel.rangeCount == 1) {
1011 var r = sel.getRangeAt(0);
1012 var a = r.startContainer.childNodes[r.startOffset];
1013 if ((a instanceof Ci.nsIDOMHTMLEmbedElement ||
1014 a instanceof Ci.nsIDOMHTMLObjectElement) &&
1015 a == focused_element)
1025 * unfocus is a high-level command for unfocusing hyperlinks, inputs,
1026 * frames, iframes, plugins, and also clearing the selection.
1028 define_buffer_local_hook("unfocus_hook");
1029 function unfocus (window, buffer) {
1030 // 1. if there is a selection, clear it.
1031 var selc = buffer.focused_selection_controller;
1033 var sel = selc.getSelection(selc.SELECTION_NORMAL);
1034 var active = ! sel.isCollapsed;
1035 var embed_p = selection_is_embed_p(sel, buffer.focused_element);
1036 clear_selection(buffer);
1037 if (active && !embed_p) {
1038 window.minibuffer.message("cleared selection");
1042 // 2. if there is a focused element, unfocus it.
1043 if (buffer.focused_element) {
1044 buffer.focused_element.blur();
1045 // if an element in a detached fragment has focus, blur() will
1046 // not work, and we need to take more drastic measures. the
1047 // action taken was found through experiment, so it is possibly
1048 // not the most concise way to unfocus such an element.
1049 if (buffer.focused_element) {
1050 buffer.element.focus();
1051 buffer.top_frame.focus();
1053 window.minibuffer.message("unfocused element");
1056 // 3. if an iframe has focus, we must blur it.
1057 if (buffer.focused_frame_or_null &&
1058 buffer.focused_frame_or_null.frameElement)
1060 buffer.focused_frame_or_null.frameElement.blur();
1062 // 4. return focus to top-frame from subframes and plugins.
1063 buffer.top_frame.focus();
1064 buffer.top_frame.focus(); // needed to get focus back from plugins
1065 window.minibuffer.message("refocused top frame");
1066 // give page-modes an opportunity to set focus specially
1067 unfocus_hook.run(buffer);
1069 interactive("unfocus",
1070 "Unfocus is a high-level command for unfocusing hyperlinks, inputs, "+
1071 "frames, iframes, plugins, and also for clearing the selection.\n"+
1072 "The action that it takes is based on precedence. If there is a "+
1073 "focused hyperlink or input, it will unfocus that. Otherwise, if "+
1074 "there is a selection, it will clear the selection. Otherwise, it "+
1075 "will return focus to the top frame from a focused frame, iframe, "+
1076 "or plugin. In the case of plugins, since they steal keyboard "+
1077 "control away from Conkeror, the normal way to unfocus them is "+
1078 "to use command-line remoting externally: conkeror -batch -f "+
1079 "unfocus. Page-modes also have an opportunity to alter the default"+
1080 "focus via the hook, `focus_hook'.",
1082 unfocus(I.window, I.buffer);
1086 function for_each_buffer (f) {
1087 for_each_window(function (w) { w.buffers.for_each(f); });
1095 define_buffer_local_hook("buffer_mode_change_hook");
1096 define_current_buffer_hook("current_buffer_mode_change_hook", "buffer_mode_change_hook");
1098 define_keywords("$display_name", "$doc");
1099 function buffer_mode (name, enable, disable) {
1100 keywords(arguments);
1101 this.name = name.replace("-","_","g");
1102 this.hyphen_name = name.replace("_","-","g");
1104 this._enable = enable;
1106 this._disable = disable;
1107 this.display_name = arguments.$display_name;
1108 this.doc = arguments.$doc;
1109 this.enable_hook = this.name + "_enable_hook";
1110 this.disable_hook = this.name + "_disable_hook";
1112 buffer_mode.prototype = {
1113 constructor: buffer_mode,
1121 enable: function (buffer) {
1124 this._enable(buffer);
1126 buffer.enabled_modes.push(this.name);
1127 if (conkeror[this.enable_hook])
1128 conkeror[this.enable_hook].run(buffer);
1129 buffer_mode_change_hook.run(buffer);
1132 disable: function (buffer) {
1135 this._disable(buffer);
1137 var i = buffer.enabled_modes.indexOf(this.name);
1139 buffer.enabled_modes.splice(i, 1);
1140 if (conkeror[this.disable_hook])
1141 conkeror[this.disable_hook].run(buffer);
1142 buffer_mode_change_hook.run(buffer);
1146 define_keywords("$constructor");
1147 function define_buffer_mode (name, enable, disable) {
1148 keywords(arguments, $constructor = buffer_mode, $doc = null);
1149 var constructor = arguments.$constructor;
1150 var m = new constructor(name, enable, disable, forward_keywords(arguments));
1151 name = m.name; // normalized
1153 define_buffer_local_hook(m.enable_hook);
1154 define_buffer_local_hook(m.disable_hook);
1155 interactive(m.hyphen_name,
1158 var enabledp = (I.buffer.enabled_modes.indexOf(name) > -1);
1160 m.disable(I.buffer);
1163 I.minibuffer.message(m.hyphen_name + (enabledp ? " disabled" : " enabled"));
1166 ignore_function_for_get_caller_source_code_reference("define_buffer_mode");
1170 * Mode Display in Minibuffer
1173 function minibuffer_mode_indicator (window) {
1174 this.window = window;
1175 var element = create_XUL(window, "label");
1176 element.setAttribute("id", "minibuffer-mode-indicator");
1177 element.setAttribute("class", "mode-text-widget");
1178 window.document.getElementById("minibuffer").appendChild(element);
1179 this.element = element;
1180 this.hook_function = method_caller(this, this.update);
1181 add_hook.call(window, "select_buffer_hook", this.hook_function);
1182 add_hook.call(window, "current_buffer_mode_change_hook", this.hook_function);
1185 minibuffer_mode_indicator.prototype = {
1186 constructor: minibuffer_mode_indicator,
1189 hook_function: null,
1190 update: function () {
1191 var buffer = this.window.buffers.current;
1192 var str = buffer.enabled_modes.map(
1194 return (conkeror[x].display_name || null);
1195 }).filter(function (x) x != null).join(" ");
1196 this.element.value = str;
1198 uninstall: function () {
1199 remove_hook.call(this.window, "select_buffer_hook", this.hook_function);
1200 remove_hook.call(this.window, "current_buffer_mode_change_hook", this.hook_function);
1201 this.element.parentNode.removeChild(this.element);
1204 define_global_window_mode("minibuffer_mode_indicator", "window_initialize_hook");
1205 minibuffer_mode_indicator_mode(true);
1209 * minibuffer-keymaps-display
1211 function minibuffer_keymaps_display_update (buffer) {
1212 var element = buffer.window.document
1213 .getElementById("keymaps-display");
1215 var str = buffer.keymaps.reduce(
1216 function (acc, kmap) {
1217 if (kmap.display_name)
1218 acc.push(kmap.display_name);
1221 if (element.value != str)
1222 element.value = str;
1226 function minibuffer_keymaps_display_initialize (window) {
1227 var element = create_XUL(window, "label");
1228 element.setAttribute("id", "keymaps-display");
1229 element.setAttribute("class", "mode-text-widget");
1230 element.setAttribute("value", "");
1231 var mb = window.document.getElementById("minibuffer");
1232 mb.appendChild(element);
1235 define_global_mode("minibuffer_keymaps_display_mode",
1236 function enable () {
1237 add_hook("window_initialize_hook", minibuffer_keymaps_display_initialize);
1238 add_hook("set_input_mode_hook", minibuffer_keymaps_display_update);
1239 for_each_window(minibuffer_keymaps_display_initialize);
1241 function disable () {
1242 remove_hook("window_initialize_hook", minibuffer_keymaps_display_initialize);
1243 remove_hook("set_input_mode_hook", minibuffer_keymaps_display_update);
1244 for_each_window(function (w) {
1245 var element = w.document
1246 .getElementById("keymaps-display");
1248 element.parentNode.removeChild(element);
1252 minibuffer_keymaps_display_mode(true);
1256 * minibuffer-keymaps-highlight
1258 function minibuffer_keymaps_highlight_update (buffer) {
1259 var mb = buffer.window.document.getElementById("minibuffer");
1260 if (buffer.keymaps.some(function (k) k.notify))
1261 dom_add_class(mb, "highlight");
1263 dom_remove_class(mb, "highlight");
1266 define_global_mode("minibuffer_keymaps_highlight_mode",
1267 function enable () {
1268 add_hook("set_input_mode_hook", minibuffer_keymaps_highlight_update);
1270 function disable () {
1271 remove_hook("set_input_mode_hook", minibuffer_keymaps_highlight_update);
1272 for_each_window(function (w) {
1273 var mb = w.document.getElementById("minibuffer");
1275 dom_remove_class("highlight");
1279 minibuffer_keymaps_highlight_mode(true);