1 // Copyright (c) 2006-2008 by Martin Stubenschrott <stubenschrott@vimperator.org>
2 // Copyright (c) 2007-2011 by Doug Kearns <dougkearns@gmail.com>
3 // Copyright (c) 2008-2013 Kris Maglione <maglione.k at Gmail>
5 // This work is licensed for reuse under an MIT license. Details are
6 // given in the LICENSE.txt file included with this file.
9 defineModule("buffer", {
10 exports: ["Buffer", "buffer"],
11 require: ["prefs", "services", "util"]
14 lazyRequire("bookmarkcache", ["bookmarkcache"]);
15 lazyRequire("contexts", ["Group"]);
16 lazyRequire("io", ["io"]);
17 lazyRequire("finder", ["RangeFind"]);
18 lazyRequire("overlay", ["overlay"]);
19 lazyRequire("sanitizer", ["sanitizer"]);
20 lazyRequire("storage", ["File", "storage"]);
21 lazyRequire("template", ["template"]);
24 * A class to manage the primary web content buffer. The name comes
25 * from Vim's term, 'buffer', which signifies instances of open
29 var Buffer = Module("Buffer", {
30 Local: function Local(dactyl, modules, window) ({
32 return window.content;
34 let win = services.focus.focusedWindow;
35 if (!win || win == window || util.topWindow(win) != window)
36 return window.content;
37 if (win.top == window)
43 init: function init(win) {
48 get addPageInfoSection() Buffer.closure.addPageInfoSection,
50 get pageInfo() Buffer.pageInfo,
52 // called when the active document is scrolled
53 _updateBufferPosition: function _updateBufferPosition() {
54 this.modules.statusline.updateBufferPosition();
55 this.modules.commandline.clear(true);
59 * @property {Array} The alternative style sheets for the current
60 * buffer. Only returns style sheets for the 'screen' media type.
62 get alternateStyleSheets() {
63 let stylesheets = array.flatten(
64 this.allFrames().map(w => Array.slice(w.document.styleSheets)));
66 return stylesheets.filter(
67 s => /^(screen|all|)$/i.test(s.media.mediaText) && !/^\s*$/.test(s.title)
72 * Gets a content preference for the given buffer.
74 * @param {string} pref The preference to get.
75 * @param {function(string|number|boolean)} callback The callback to
76 * call with the preference value. @optional
77 * @returns {string|number|boolean} The value of the preference, if
78 * callback is not provided.
80 getPref: function getPref(pref, callback) {
82 if (config.haveGecko("19.0a1"))
83 services.contentPrefs.getPref(this.uri, pref,
84 sanitizer.getContext(this.win), callback);
86 services.contentPrefs.getPref(this.uri, pref, callback);
90 * Sets a content preference for the given buffer.
92 * @param {string} pref The preference to set.
93 * @param {string} value The value to store.
95 setPref: function setPref(pref, value) {
96 services.contentPrefs.setPref(
97 this.uri, pref, value, sanitizer.getContext(this.win));
101 * Clear a content preference for the given buffer.
103 * @param {string} pref The preference to clear.
105 clearPref: function clearPref(pref) {
106 services.contentPrefs.removePref(
107 this.uri, pref, sanitizer.getContext(this.win));
110 climbUrlPath: function climbUrlPath(count) {
111 let { dactyl } = this.modules;
113 let url = this.documentURI.clone();
114 dactyl.assert(url instanceof Ci.nsIURL);
116 while (count-- && url.path != "/")
117 url.path = url.path.replace(/[^\/]*\/*$/, "");
119 dactyl.assert(!url.equals(this.documentURI));
120 dactyl.open(url.spec);
123 incrementURL: function incrementURL(count) {
124 let { dactyl } = this.modules;
126 let matches = this.uri.spec.match(/(.*?)(\d+)(\D*)$/);
127 dactyl.assert(matches);
128 let oldNum = matches[2];
130 // disallow negative numbers as trailing numbers are often proceeded by hyphens
131 let newNum = String(Math.max(parseInt(oldNum, 10) + count, 0));
132 if (/^0/.test(oldNum))
133 while (newNum.length < oldNum.length)
134 newNum = "0" + newNum;
137 dactyl.open(matches.slice(1).join(""));
141 * @property {number} True when the buffer is fully loaded.
143 get loaded() Math.min.apply(null,
145 .map(frame => ["loading", "interactive", "complete"]
146 .indexOf(frame.document.readyState))),
149 * @property {Object} The local state store for the currently selected
155 let store = overlay.getData(doc, "buffer", null);
156 if (!store || !this.localStorePrototype.isPrototypeOf(store))
157 store = overlay.setData(doc, "buffer", Object.create(this.localStorePrototype));
158 return store.instance = store;
161 localStorePrototype: memoize({
168 * @property {Node} The last focused input field in the buffer. Used
169 * by the "gi" key binding.
171 get lastInputField() {
172 let field = this.localStore.lastInputField && this.localStore.lastInputField.get();
174 let doc = field && field.ownerDocument;
175 let win = doc && doc.defaultView;
176 return win && doc === win.document ? field : null;
178 set lastInputField(value) { this.localStore.lastInputField = util.weakReference(value); },
181 * @property {nsIURI} The current top-level document.
183 get doc() this.win.document,
185 get docShell() util.docShell(this.win),
187 get modules() this.topWindow.dactyl.modules,
190 topWindow: Class.Memoize(function () util.topWindow(this.win)),
193 * @property {nsIURI} The current top-level document's URI.
195 get uri() util.newURI(this.win.location.href),
198 * @property {nsIURI} The current top-level document's URI, sans any
199 * fragment identifier.
201 get documentURI() this.doc.documentURIObject || util.newURI(this.doc.documentURI),
204 * @property {string} The current top-level document's URL.
206 get URL() update(new String(this.win.location.href), util.newURI(this.win.location.href)),
209 * @property {number} The buffer's height in pixels.
211 get pageHeight() this.win.innerHeight,
213 get contentViewer() this.docShell.contentViewer
214 .QueryInterface(Components.interfaces.nsIMarkupDocumentViewer),
217 * @property {number} The current browser's zoom level, as a
218 * percentage with 100 as 'normal'.
221 let v = this.contentViewer;
222 return v[v.textZoom == 1 ? "fullZoom" : "textZoom"] * 100;
224 set zoomLevel(value) { this.setZoom(value, this.fullZoom); },
227 * @property {boolean} Whether the current browser is using full
228 * zoom, as opposed to text zoom.
230 get fullZoom() this.ZoomManager.useFullZoom,
231 set fullZoom(value) { this.setZoom(this.zoomLevel, value); },
233 get ZoomManager() this.topWindow.ZoomManager,
236 * @property {string} The current document's title.
238 get title() this.doc.title,
241 * @property {number} The buffer's horizontal scroll percentile.
243 get scrollXPercent() {
244 let elem = Buffer.Scrollable(this.findScrollable(0, true));
245 if (elem.scrollWidth - elem.clientWidth === 0)
247 return elem.scrollLeft * 100 / (elem.scrollWidth - elem.clientWidth);
251 * @property {number} The buffer's vertical scroll percentile.
253 get scrollYPercent() {
254 let elem = Buffer.Scrollable(this.findScrollable(0, false));
255 if (elem.scrollHeight - elem.clientHeight === 0)
257 return elem.scrollTop * 100 / (elem.scrollHeight - elem.clientHeight);
261 * @property {{ x: number, y: number }} The buffer's current scroll position
262 * as reported by {@link Buffer.getScrollPosition}.
264 get scrollPosition() Buffer.getScrollPosition(this.findScrollable(0, false)),
267 * Returns a list of all frames in the given window or current buffer.
269 allFrames: function allFrames(win, focusedFirst) {
271 (function rec(frame) {
272 if (true || frame.document.body instanceof Ci.nsIDOMHTMLBodyElement)
274 Array.forEach(frame.frames, rec);
278 return frames.filter(f => f === this.focusedFrame).concat(
279 frames.filter(f => f !== this.focusedFrame));
284 * @property {Window} Returns the currently focused frame.
287 let frame = this.localStore.focusedFrame;
288 return frame && frame.get() || this.win;
290 set focusedFrame(frame) {
291 this.localStore.focusedFrame = util.weakReference(frame);
295 * Returns the currently selected word. If the selection is
296 * null, it tries to guess the word that the caret is
301 get currentWord() Buffer.currentWord(this.focusedFrame),
302 getCurrentWord: deprecated("buffer.currentWord", function getCurrentWord() Buffer.currentWord(this.focusedFrame, true)),
305 * Returns true if a scripts are allowed to focus the given input
306 * element or input elements in the given window.
308 * @param {Node|Window}
311 focusAllowed: function focusAllowed(elem) {
312 if (elem instanceof Ci.nsIDOMWindow && !DOM(elem).isEditable)
315 let { options } = this.modules;
317 let doc = elem.ownerDocument || elem.document || elem;
318 switch (options.get("strictfocus").getKey(doc.documentURIObject || util.newURI(doc.documentURI), "moderate")) {
320 return overlay.getData(elem)["focus-allowed"]
321 || elem.frameElement && overlay.getData(elem.frameElement)["focus-allowed"];
323 return overlay.getData(doc, "focus-allowed")
324 || elem.frameElement && overlay.getData(elem.frameElement.ownerDocument)["focus-allowed"];
331 * Focuses the given element. In contrast to a simple
332 * elem.focus() call, this function works for iframes and
335 * @param {Node} elem The element to focus.
337 focusElement: function focusElement(elem) {
338 let win = elem.ownerDocument && elem.ownerDocument.defaultView || elem;
339 overlay.setData(elem, "focus-allowed", true);
340 overlay.setData(win.document, "focus-allowed", true);
342 if (isinstance(elem, [Ci.nsIDOMHTMLFrameElement,
343 Ci.nsIDOMHTMLIFrameElement]))
344 elem = elem.contentWindow;
347 overlay.setData(elem.document, "focus-allowed", true);
349 if (elem instanceof Ci.nsIDOMHTMLInputElement && elem.type == "file") {
350 Buffer.openUploadPrompt(elem);
351 this.lastInputField = elem;
354 if (isinstance(elem, [Ci.nsIDOMHTMLInputElement,
355 Ci.nsIDOMXULTextBoxElement]))
356 var flags = services.focus.FLAG_BYMOUSE;
358 flags = services.focus.FLAG_SHOWRING;
360 // Hack to deal with current versions of Firefox misplacing
362 if (!overlay.getData(elem, "had-focus", false) && elem.value &&
363 elem instanceof Ci.nsIDOMHTMLInputElement &&
364 DOM(elem).isEditable &&
365 elem.selectionStart != null &&
366 elem.selectionStart == elem.selectionEnd)
367 elem.selectionStart = elem.selectionEnd = elem.value.length;
369 DOM(elem).focus(flags);
371 if (elem instanceof Ci.nsIDOMWindow) {
372 let sel = elem.getSelection();
373 if (sel && !sel.rangeCount)
374 sel.addRange(RangeFind.endpoint(
375 RangeFind.nodeRange(elem.document.body || elem.document.documentElement),
379 let range = RangeFind.nodeRange(elem);
380 let sel = (elem.ownerDocument || elem).defaultView.getSelection();
381 if (!sel.rangeCount || !RangeFind.intersects(range, sel.getRangeAt(0))) {
382 range.collapse(true);
383 sel.removeAllRanges();
389 if (elem instanceof Ci.nsIDOMHTMLAreaElement) {
391 let [x, y] = elem.getAttribute("coords").split(",").map(parseFloat);
393 DOM(elem).mouseover({ screenX: x, screenY: y });
401 * Find the *count*th last link on a page matching one of the given
402 * regular expressions, or with a @rel or @rev attribute matching
403 * the given relation. Each frame is searched beginning with the
404 * last link and progressing to the first, once checking for
405 * matching @rel or @rev properties, and then once for each given
406 * regular expression. The first match is returned. All frames of
407 * the page are searched, beginning with the currently focused.
409 * If follow is true, the link is followed.
411 * @param {string} rel The relationship to look for.
412 * @param {[RegExp]} regexps The regular expressions to search for.
413 * @param {number} count The nth matching link to follow.
414 * @param {bool} follow Whether to follow the matching link.
415 * @param {string} path The CSS to use for the search. @optional
417 findLink: function findLink(rel, regexps, count, follow, path) {
418 let { Hints, dactyl, options } = this.modules;
420 let selector = path || options.get("hinttags").stringDefaultValue;
422 function followFrame(frame) {
423 function iter(elems) {
424 for (let i = 0; i < elems.length; i++)
425 if (elems[i].rel.toLowerCase() === rel || elems[i].rev.toLowerCase() === rel)
429 let elems = frame.document.getElementsByTagName("link");
430 for (let elem in iter(elems))
433 elems = frame.document.getElementsByTagName("a");
434 for (let elem in iter(elems))
437 function a(regexp, elem) regexp.test(elem.textContent) === regexp.result ||
438 Array.some(elem.childNodes,
439 child => (regexp.test(child.alt) === regexp.result));
441 function b(regexp, elem) regexp.test(elem.title) === regexp.result;
443 let res = Array.filter(frame.document.querySelectorAll(selector), Hints.isVisible);
444 for (let test in values([a, b]))
445 for (let regexp in values(regexps))
446 for (let i in util.range(res.length, 0, -1))
447 if (test(regexp, res[i]))
451 for (let frame in values(this.allFrames(null, true)))
452 for (let elem in followFrame(frame))
455 this.followLink(elem, dactyl.CURRENT_TAB);
462 followDocumentRelationship: deprecated("buffer.findLink",
463 function followDocumentRelationship(rel) {
464 let { options } = this.modules;
466 this.findLink(rel, options[rel + "pattern"], 0, true);
470 * Fakes a click on a link.
472 * @param {Node} elem The element to click.
473 * @param {number} where Where to open the link. See
474 * {@link dactyl.open}.
476 followLink: function followLink(elem, where) {
477 let { dactyl } = this.modules;
479 let doc = elem.ownerDocument;
480 let win = doc.defaultView;
481 let { left: offsetX, top: offsetY } = elem.getBoundingClientRect();
483 if (isinstance(elem, [Ci.nsIDOMHTMLFrameElement,
484 Ci.nsIDOMHTMLIFrameElement]))
485 return this.focusElement(elem);
487 if (isinstance(elem, Ci.nsIDOMHTMLLinkElement))
488 return dactyl.open(elem.href, where);
490 if (elem instanceof Ci.nsIDOMHTMLAreaElement) { // for imagemap
491 let coords = elem.getAttribute("coords").split(",");
492 offsetX = Number(coords[0]) + 1;
493 offsetY = Number(coords[1]) + 1;
495 else if (elem instanceof Ci.nsIDOMHTMLInputElement && elem.type == "file") {
496 Buffer.openUploadPrompt(elem);
500 let { dactyl } = this.modules;
502 let ctrlKey = false, shiftKey = false;
504 switch (dactyl.forceTarget || where) {
506 case dactyl.NEW_BACKGROUND_TAB:
508 shiftKey = dactyl.forceBackground != null ? dactyl.forceBackground
509 : where != dactyl.NEW_BACKGROUND_TAB;
511 case dactyl.NEW_WINDOW:
514 case dactyl.CURRENT_TAB:
518 this.focusElement(elem);
520 prefs.withContext(function () {
521 prefs.set("browser.tabs.loadInBackground", true);
523 button: button, screenX: offsetX, screenY: offsetY,
524 ctrlKey: ctrlKey, shiftKey: shiftKey, metaKey: ctrlKey
527 DOM(elem).mousedown(params).mouseup(params);
528 if (!config.haveGecko("2b"))
529 DOM(elem).click(params);
531 let sel = util.selectionController(win);
532 sel.getSelection(sel.SELECTION_FOCUS_REGION).collapseToStart();
537 * Resets the caret position so that it resides within the current
540 resetCaret: function resetCaret() {
541 function visible(range) util.intersection(DOM(range).rect, viewport);
543 function getRanges(rect) {
544 let nodes = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils)
545 .nodesFromRect(rect.x, rect.y, 0, rect.width, rect.height, 0, false, false);
546 return Array.filter(nodes, n => n instanceof Ci.nsIDOMText)
547 .map(RangeFind.nodeContents);
550 let win = this.focusedFrame;
551 let doc = win.document;
552 let sel = win.getSelection();
553 let { viewport } = DOM(win);
555 if (sel.rangeCount) {
556 var range = sel.getRangeAt(0);
557 if (visible(range).height > 0)
560 var { rect } = DOM(range);
561 var reverse = rect.bottom > viewport.bottom;
563 rect = { x: rect.left, y: 0, width: rect.width, height: win.innerHeight };
566 let w = win.innerWidth;
567 rect = { x: w / 3, y: 0, width: w / 3, height: win.innerHeight };
570 var reduce = (a, b) => DOM(a).rect.top < DOM(b).rect.top ? a : b;
574 reduce = (a, b) => DOM(b).rect.bottom > DOM(a).rect.bottom ? b : a;
576 y = win.innerHeight - 1;
579 let ranges = getRanges(rect);
581 ranges = getRanges({ x: 0, y: y, width: win.innerWidth, height: 0 });
584 range = ranges.reduce(reduce);
587 range.collapse(!reverse);
588 sel.removeAllRanges();
591 if (visible(range).height > 0)
594 var { startContainer, startOffset } = range;
595 sel.modify("move", dir, "line");
596 range = sel.getRangeAt(0);
598 while (startContainer != range.startContainer || startOffset != range.startOffset);
600 sel.modify("move", reverse ? "forward" : "backward", "lineboundary");
605 sel.collapse(doc.body || doc.querySelector("body") || doc.documentElement,
610 * @property {nsISelection} The current document's normal selection.
612 get selection() this.win.getSelection(),
615 * @property {nsISelectionController} The current document's selection
618 get selectionController() util.selectionController(this.focusedFrame),
621 * @property {string|null} The canonical short URL for the current
625 let { uri, doc } = this;
627 function hashify(url) {
628 let newURI = util.newURI(url);
630 if (uri.hasRef && !newURI.hasRef)
631 newURI.ref = uri.ref;
636 for each (let shortener in Buffer.uriShorteners)
638 let shortened = shortener(uri, doc);
640 return hashify(shortened.spec);
646 let link = DOM("link[href][rev=canonical], \
647 link[href][rel=shortlink]", doc);
649 return hashify(link.attr("href"));
655 * Opens the appropriate context menu for *elem*.
657 * @param {Node} elem The context element.
659 openContextMenu: deprecated("DOM#contextmenu", function openContextMenu(elem) DOM(elem).contextmenu()),
662 * Saves a page link to disk.
664 * @param {HTMLAnchorElement} elem The page link to save.
665 * @param {boolean} overwrite If true, overwrite any existing file.
667 saveLink: function saveLink(elem, overwrite) {
668 let { completion, dactyl, io } = this.modules;
671 let doc = elem.ownerDocument;
672 let uri = util.newURI(elem.href || elem.src, null, util.newURI(elem.baseURI));
673 let referrer = util.newURI(doc.documentURI, doc.characterSet);
676 services.security.checkLoadURIWithPrincipal(doc.nodePrincipal, uri,
677 services.security.STANDARD);
679 io.CommandFileMode(_("buffer.prompt.saveLink") + " ", {
680 onSubmit: function (path) {
681 let file = io.File(path);
682 if (file.exists() && file.isDirectory())
683 file.append(Buffer.getDefaultNames(elem)[0][0]);
685 util.assert(!file.exists() || overwrite, _("io.existsNoOverride", file.path));
689 file.create(File.NORMAL_FILE_TYPE, octal(644));
692 util.assert(false, _("save.invalidDestination", e.name));
695 self.saveURI({ uri: uri, file: file, context: elem });
698 completer: function (context) completion.savePage(context, elem)
707 * Saves the contents of a URI to disk.
709 * @param {nsIURI} uri The URI to save
710 * @param {nsIFile} file The file into which to write the result.
712 saveURI: function saveURI(params) {
713 if (params instanceof Ci.nsIURI)
715 params = { uri: arguments[0], file: arguments[1],
716 callback: arguments[2], self: arguments[3] };
718 var persist = services.Persist();
719 persist.persistFlags = persist.PERSIST_FLAGS_FROM_CACHE
720 | persist.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
722 let window = this.topWindow;
723 let privacy = sanitizer.getContext(params.context || this.win);
724 let file = File(params.file);
726 file.create(Ci.nsIFile.NORMAL_FILE_TYPE, octal(666));
728 let downloadListener = new window.DownloadListener(window,
729 services.Transfer(params.uri, file.URI, "", null, null, null,
730 persist, privacy && privacy.usePrivateBrowsing));
732 var { callback, self } = params;
734 persist.progressListener = update(Object.create(downloadListener), {
735 onStateChange: util.wrapCallback(function onStateChange(progress, request, flags, status) {
736 if (callback && (flags & Ci.nsIWebProgressListener.STATE_STOP) && status == 0)
737 util.trapErrors(callback, self, params.uri, file.file,
738 progress, request, flags, status);
740 return onStateChange.superapply(this, arguments);
744 persist.progressListener = downloadListener;
746 persist.saveURI(params.uri, null, null, null, null,
751 * Scrolls the currently active element horizontally. See
752 * {@link Buffer.scrollHorizontal} for parameters.
754 scrollHorizontal: function scrollHorizontal(increment, number)
755 Buffer.scrollHorizontal(this.findScrollable(number, true), increment, number),
758 * Scrolls the currently active element vertically. See
759 * {@link Buffer.scrollVertical} for parameters.
761 scrollVertical: function scrollVertical(increment, number)
762 Buffer.scrollVertical(this.findScrollable(number, false), increment, number),
765 * Scrolls the currently active element to the given horizontal and
766 * vertical percentages. See {@link Buffer.scrollToPercent} for
769 scrollToPercent: function scrollToPercent(horizontal, vertical, dir)
770 Buffer.scrollToPercent(this.findScrollable(dir || 0, vertical == null), horizontal, vertical),
773 * Scrolls the currently active element to the given horizontal and
774 * vertical positions. See {@link Buffer.scrollToPosition} for
777 scrollToPosition: function scrollToPosition(horizontal, vertical)
778 Buffer.scrollToPosition(this.findScrollable(0, vertical == null), horizontal, vertical),
780 _scrollByScrollSize: function _scrollByScrollSize(count, direction) {
781 let { options } = this.modules;
784 options["scroll"] = count;
785 this.scrollByScrollSize(direction);
789 * Scrolls the buffer vertically 'scroll' lines.
791 * @param {boolean} direction The direction to scroll. If true then
792 * scroll up and if false scroll down.
793 * @param {number} count The multiple of 'scroll' lines to scroll.
796 scrollByScrollSize: function scrollByScrollSize(direction, count = 1) {
797 let { options } = this.modules;
799 direction = direction ? 1 : -1;
801 if (options["scroll"] > 0)
802 this.scrollVertical("lines", options["scroll"] * direction);
804 this.scrollVertical("pages", direction / 2);
808 * Find the best candidate scrollable element for the given
809 * direction and orientation.
811 * @param {number} dir The direction in which the element must be
812 * able to scroll. Negative numbers represent up or left, while
813 * positive numbers represent down or right.
814 * @param {boolean} horizontal If true, look for horizontally
815 * scrollable elements, otherwise look for vertically scrollable
818 findScrollable: function findScrollable(dir, horizontal) {
819 function find(elem) {
820 while (elem && !(elem instanceof Ci.nsIDOMElement) && elem.parentNode)
821 elem = elem.parentNode;
822 for (; elem instanceof Ci.nsIDOMElement; elem = elem.parentNode)
823 if (Buffer.isScrollable(elem, dir, horizontal))
830 var elem = this.focusedFrame.document.activeElement;
831 if (elem == elem.ownerDocument.body)
837 var sel = this.focusedFrame.getSelection();
841 if (!elem && sel && sel.rangeCount)
842 elem = sel.getRangeAt(0).startContainer;
846 for (let e in DOM(Buffer.SCROLLABLE_SEARCH_SELECTOR,
847 this.focusedFrame.document)) {
848 if (Buffer.isScrollable(e, dir, horizontal)) {
850 let a = r.width * r.height;
858 util.trapErrors("focus", elem);
863 if (!(elem instanceof Ci.nsIDOMElement)) {
864 let doc = this.findScrollableWindow().document;
865 elem = find(doc.body || doc.getElementsByTagName("body")[0] ||
866 doc.documentElement);
868 let doc = this.focusedFrame.document;
869 return util.assert(elem || doc.body || doc.documentElement);
873 * Find the best candidate scrollable frame in the current buffer.
875 findScrollableWindow: function findScrollableWindow() {
876 let { document } = this.topWindow;
878 let win = document.commandDispatcher.focusedWindow;
879 if (win && (win.scrollMaxX > 0 || win.scrollMaxY > 0))
882 let win = this.focusedFrame;
883 if (win && (win.scrollMaxX > 0 || win.scrollMaxY > 0))
887 if (win.scrollMaxX > 0 || win.scrollMaxY > 0)
890 for (let frame in array.iterValues(win.frames))
891 if (frame.scrollMaxX > 0 || frame.scrollMaxY > 0)
898 * Finds the next visible element for the node path in 'jumptags'
901 * @param {string} arg The element in 'jumptags' to use for the search.
902 * @param {number} count The number of elements to jump.
904 * @param {boolean} reverse If true, search backwards. @optional
905 * @param {boolean} offScreen If true, include only off-screen elements. @optional
907 findJump: function findJump(arg, count, reverse, offScreen) {
908 let { marks, options } = this.modules;
914 let path = options["jumptags"][arg];
915 util.assert(path, _("error.invalidArgument", arg));
917 let distance = reverse ? rect => -rect.top
920 let elems = [[e, distance(e.getBoundingClientRect())]
921 for (e in path.matcher(this.focusedFrame.document))]
922 .filter(e => e[1] > FUDGE)
923 .sort((a, b) => a[1] - b[1]);
925 if (offScreen && !reverse)
926 elems = elems.filter(function (e) e[1] > this, this.topWindow.innerHeight);
928 let idx = Math.min((count || 1) - 1, elems.length);
929 util.assert(idx in elems);
931 let elem = elems[idx][0];
932 elem.scrollIntoView(true);
934 let sel = elem.ownerDocument.defaultView.getSelection();
935 sel.removeAllRanges();
936 sel.addRange(RangeFind.endpoint(RangeFind.nodeRange(elem), true));
939 // TODO: allow callback for filtering out unwanted frames? User defined?
941 * Shifts the focus to another frame within the buffer. Each buffer
942 * contains at least one frame.
944 * @param {number} count The number of frames to skip through. A negative
945 * count skips backwards.
947 shiftFrameFocus: function shiftFrameFocus(count) {
948 if (!(this.doc instanceof Ci.nsIDOMHTMLDocument))
951 let frames = this.allFrames();
953 if (frames.length == 0) // currently top is always included
956 // remove all hidden frames
957 frames = frames.filter(frame => !(frame.document.body instanceof Ci.nsIDOMHTMLFrameSetElement))
958 .filter(frame => !frame.frameElement ||
959 let (rect = frame.frameElement.getBoundingClientRect())
960 rect.width && rect.height);
962 // find the currently focused frame index
963 let current = Math.max(0, frames.indexOf(this.focusedFrame));
965 // calculate the next frame to focus
966 let next = current + count;
967 if (next < 0 || next >= frames.length)
969 next = Math.constrain(next, 0, frames.length - 1);
971 // focus next frame and scroll into view
972 DOM(frames[next]).focus();
973 if (frames[next] != this.win)
974 DOM(frames[next].frameElement).scrollIntoView();
976 // add the frame indicator
977 let doc = frames[next].document;
978 let indicator = DOM(["div", { highlight: "FrameIndicator" }], doc)
979 .appendTo(doc.body || doc.documentElement || doc);
981 util.timeout(function () { indicator.remove(); }, 500);
984 //doc.body.setAttributeNS(NS, "activeframe", "true");
985 //util.timeout(function () { doc.body.removeAttributeNS(NS, "activeframe"); }, 500);
988 // similar to pageInfo
989 // TODO: print more useful information, just like the DOM inspector
991 * Displays information about the specified element.
993 * @param {Node} elem The element to query.
995 showElementInfo: function showElementInfo(elem) {
996 let { dactyl } = this.modules;
998 dactyl.echo(["", /*L*/"Element:", ["br"], util.objectToString(elem, true)]);
1002 * Displays information about the current buffer.
1004 * @param {boolean} verbose Display more verbose information.
1005 * @param {string} sections A string limiting the displayed sections.
1006 * @default The value of 'pageinfo'.
1008 showPageInfo: function showPageInfo(verbose, sections) {
1009 let { commandline, dactyl, options } = this.modules;
1011 // Ctrl-g single line output
1013 let file = this.win.location.pathname.split("/").pop() || _("buffer.noName");
1014 let title = this.win.document.title || _("buffer.noTitle");
1016 let info = template.map(
1017 (sections || options["pageinfo"])
1018 .map((opt) => Buffer.pageInfo[opt].action.call(this)),
1019 res => (res && iter(res).join(", ") || undefined),
1022 if (bookmarkcache.isBookmarked(this.URL))
1023 info += ", " + _("buffer.bookmarked");
1025 let pageInfoText = [file.quote(), " [", info, "] ", title].join("");
1026 dactyl.echo(pageInfoText, commandline.FORCE_SINGLELINE);
1030 let list = template.map(sections || options["pageinfo"], (option) => {
1031 let { action, title } = Buffer.pageInfo[option];
1032 return template.table(title, action.call(this, true));
1035 commandline.commandOutput(list);
1039 * Stops loading and animations in the current content.
1041 stop: function stop() {
1042 let { config } = this.modules;
1047 this.docShell.stop(this.docShell.STOP_ALL);
1051 * Opens a viewer to inspect the source of the currently selected
1054 viewSelectionSource: function viewSelectionSource() {
1055 // copied (and tuned somewhat) from browser.jar -> nsContextMenu.js
1056 let { document, window } = this.topWindow;
1058 let win = document.commandDispatcher.focusedWindow;
1059 if (win == this.topWindow)
1060 win = this.focusedFrame;
1062 let charset = win ? "charset=" + win.document.characterSet : null;
1064 window.openDialog("chrome://global/content/viewPartialSource.xul",
1065 "_blank", "scrollbars,resizable,chrome,dialog=no",
1066 null, charset, win.getSelection(), "selection");
1070 * Opens a viewer to inspect the source of the current buffer or the
1071 * specified *url*. Either the default viewer or the configured external
1074 * @param {string|object|null} loc If a string, the URL of the source,
1075 * otherwise an object with some or all of the following properties:
1077 * url: The URL to view.
1078 * doc: The document to view.
1079 * line: The line to select.
1080 * column: The column to select.
1082 * If no URL is provided, the current document is used.
1083 * @default The current buffer.
1084 * @param {boolean} useExternalEditor View the source in the external editor.
1086 viewSource: function viewSource(loc, useExternalEditor) {
1087 let { dactyl, editor, history, options } = this.modules;
1089 let window = this.topWindow;
1091 let doc = this.focusedFrame.document;
1093 if (isObject(loc)) {
1094 if (options.get("editor").has("line") || !loc.url)
1095 this.viewSourceExternally(loc.doc || loc.url || doc, loc);
1097 window.openDialog("chrome://global/content/viewSource.xul",
1098 "_blank", "all,dialog=no",
1099 loc.url, null, null, loc.line);
1102 if (useExternalEditor)
1103 this.viewSourceExternally(loc || doc);
1105 let url = loc || doc.location.href;
1106 const PREFIX = "view-source:";
1107 if (url.indexOf(PREFIX) == 0)
1108 url = url.substr(PREFIX.length);
1112 let sh = history.session;
1113 if (sh[sh.index].URI.spec == url)
1114 this.docShell.gotoIndex(sh.index);
1116 dactyl.open(url, { hide: true });
1122 * Launches an editor to view the source of the given document. The
1123 * contents of the document are saved to a temporary local file and
1124 * removed when the editor returns. This function returns
1127 * @param {Document} doc The document to view.
1128 * @param {function|object} callback If a function, the callback to be
1129 * called with two arguments: the nsIFile of the file, and temp, a
1130 * boolean which is true if the file is temporary. Otherwise, an object
1131 * with line and column properties used to determine where to open the
1135 viewSourceExternally: Class("viewSourceExternally",
1136 XPCOM([Ci.nsIWebProgressListener, Ci.nsISupportsWeakReference]), {
1137 init: function init(doc, callback) {
1138 this.callback = callable(callback) ? callback :
1139 function (file, temp) {
1140 let { editor } = overlay.activeModules;
1142 editor.editFileExternally(update({ file: file.path }, callback || {}),
1143 function () { temp && file.remove(false); });
1147 if (isString(doc)) {
1148 var privacyContext = null;
1149 var uri = util.newURI(doc);
1152 privacyContext = sanitizer.getContext(doc);
1153 uri = util.newURI(doc.location.href);
1156 let ext = uri.fileExtension || "txt";
1157 if (doc.contentType)
1159 ext = services.mime.getPrimaryExtension(doc.contentType, ext);
1164 return io.withTempFiles(function (temp) {
1165 let encoder = services.HtmlEncoder();
1166 encoder.init(doc, "text/unicode", encoder.OutputRaw|encoder.OutputPreformatted);
1167 temp.write(encoder.encodeToString(), ">");
1168 return this.callback(temp, true);
1169 }, this, true, ext);
1171 let file = util.getFile(uri);
1173 this.callback(file, false);
1175 this.file = io.createTempFile();
1176 var persist = services.Persist();
1177 persist.persistFlags = persist.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
1178 persist.progressListener = this;
1179 persist.saveURI(uri, null, null, null, null, this.file,
1185 onStateChange: function onStateChange(progress, request, flags, status) {
1186 if ((flags & this.STATE_STOP) && status == 0) {
1188 var ok = this.callback(this.file, true);
1192 this.file.remove(false);
1200 * Increases the zoom level of the current buffer.
1202 * @param {number} steps The number of zoom levels to jump.
1203 * @param {boolean} fullZoom Whether to use full zoom or text zoom.
1205 zoomIn: function zoomIn(steps, fullZoom) {
1206 this.bumpZoomLevel(steps, fullZoom);
1210 * Decreases the zoom level of the current buffer.
1212 * @param {number} steps The number of zoom levels to jump.
1213 * @param {boolean} fullZoom Whether to use full zoom or text zoom.
1215 zoomOut: function zoomOut(steps, fullZoom) {
1216 this.bumpZoomLevel(-steps, fullZoom);
1220 * Adjusts the page zoom of the current buffer to the given absolute
1223 * @param {number} value The new zoom value as a possibly fractional
1224 * percentage of the page's natural size.
1225 * @param {boolean} fullZoom If true, zoom all content of the page,
1226 * including raster images. If false, zoom only text. If omitted,
1227 * use the current zoom function. @optional
1228 * @throws {FailedAssertion} if the given *value* is not within the
1229 * closed range [Buffer.ZOOM_MIN, Buffer.ZOOM_MAX].
1231 setZoom: function setZoom(value, fullZoom) {
1232 let { dactyl, statusline, storage } = this.modules;
1233 let { ZoomManager } = this;
1235 if (fullZoom === undefined)
1236 fullZoom = ZoomManager.useFullZoom;
1238 ZoomManager.useFullZoom = fullZoom;
1242 this.contentViewer.textZoom = fullZoom ? 1 : value;
1243 this.contentViewer.fullZoom = !fullZoom ? 1 : value;
1245 catch (e if e == Cr.NS_ERROR_ILLEGAL_VALUE) {
1246 return dactyl.echoerr(_("zoom.illegal"));
1249 if (prefs.get("browser.zoom.siteSpecific")) {
1250 var privacy = sanitizer.getContext(this.win);
1252 this.clearPref("browser.content.full-zoom");
1253 this.clearPref("dactyl.content.full-zoom");
1256 this.setPref("browser.content.full-zoom", value);
1257 this.setPref("dactyl.content.full-zoom", fullZoom);
1261 statusline.updateZoomLevel();
1265 * Updates the zoom level of this buffer from a content preference.
1267 updateZoom: util.wrapCallback(function updateZoom() {
1270 if (prefs.get("browser.zoom.siteSpecific")) {
1271 this.getPref("dactyl.content.full-zoom", (val) => {
1272 if (val != null && uri.equals(this.uri) && val != prefs.get("browser.zoom.full"))
1273 [this.contentViewer.textZoom, this.contentViewer.fullZoom] =
1274 [this.contentViewer.fullZoom, this.contentViewer.textZoom];
1280 * Adjusts the page zoom of the current buffer relative to the
1281 * current zoom level.
1283 * @param {number} steps The integral number of natural fractions by which
1284 * to adjust the current page zoom. If positive, the zoom level is
1285 * increased, if negative it is decreased.
1286 * @param {boolean} fullZoom If true, zoom all content of the page,
1287 * including raster images. If false, zoom only text. If omitted, use
1288 * the current zoom function. @optional
1289 * @throws {FailedAssertion} if the buffer's zoom level is already at its
1290 * extreme in the given direction.
1292 bumpZoomLevel: function bumpZoomLevel(steps, fullZoom) {
1293 let { ZoomManager } = this;
1295 if (fullZoom === undefined)
1296 fullZoom = ZoomManager.useFullZoom;
1298 let values = ZoomManager.zoomValues;
1299 let cur = values.indexOf(ZoomManager.snap(this.zoomLevel / 100));
1300 let i = Math.constrain(cur + steps, 0, values.length - 1);
1302 util.assert(i != cur || fullZoom != ZoomManager.useFullZoom);
1304 this.setZoom(Math.round(values[i] * 100), fullZoom);
1307 getAllFrames: deprecated("buffer.allFrames", "allFrames"),
1308 scrollTop: deprecated("buffer.scrollToPercent", function scrollTop() this.scrollToPercent(null, 0)),
1309 scrollBottom: deprecated("buffer.scrollToPercent", function scrollBottom() this.scrollToPercent(null, 100)),
1310 scrollStart: deprecated("buffer.scrollToPercent", function scrollStart() this.scrollToPercent(0, null)),
1311 scrollEnd: deprecated("buffer.scrollToPercent", function scrollEnd() this.scrollToPercent(100, null)),
1312 scrollColumns: deprecated("buffer.scrollHorizontal", function scrollColumns(cols) this.scrollHorizontal("columns", cols)),
1313 scrollPages: deprecated("buffer.scrollHorizontal", function scrollPages(pages) this.scrollVertical("pages", pages)),
1314 scrollTo: deprecated("Buffer.scrollTo", function scrollTo(x, y) this.win.scrollTo(x, y)),
1315 textZoom: deprecated("buffer.zoomValue/buffer.fullZoom", function textZoom() this.contentViewer.markupDocumentViewer.textZoom * 100)
1318 * The pattern used to search for a scrollable element when we have
1319 * no starting point.
1321 SCROLLABLE_SEARCH_SELECTOR: "html, body, div",
1323 PageInfo: Struct("PageInfo", "name", "title", "action")
1329 * Adds a new section to the page information output.
1331 * @param {string} option The section's value in 'pageinfo'.
1332 * @param {string} title The heading for this section's
1334 * @param {function} func The function to generate this
1337 addPageInfoSection: function addPageInfoSection(option, title, func) {
1338 this.pageInfo[option] = Buffer.PageInfo(option, title, func);
1344 * Adds a new URI shortener for documents matching the given filter.
1346 * @param {string|function(URI, Document):boolean} filter A site filter
1347 * string or a function which accepts a URI and a document and
1348 * returns true if it can shorten the document's URI.
1349 * @param {function(URI, Document):URI} shortener Returns a shortened
1350 * URL for the given URI and document.
1352 addURIShortener: function addURIShortener(filter, shortener) {
1353 if (isString(filter))
1354 filter = Group.compileFilter(filter);
1356 this.uriShorteners.push(function uriShortener(uri, doc) {
1357 if (filter(uri, doc))
1358 return shortener(uri, doc);
1362 Scrollable: function Scrollable(elem) {
1363 if (elem instanceof Ci.nsIDOMElement)
1365 if (isinstance(elem, [Ci.nsIDOMWindow, Ci.nsIDOMDocument]))
1367 __proto__: elem.documentElement || elem.ownerDocument.documentElement,
1369 win: elem.defaultView || elem.ownerDocument.defaultView,
1371 get clientWidth() this.win.innerWidth,
1372 get clientHeight() this.win.innerHeight,
1374 get scrollWidth() this.win.scrollMaxX + this.win.innerWidth,
1375 get scrollHeight() this.win.scrollMaxY + this.win.innerHeight,
1377 get scrollLeftMax() this.win.scrollMaxX,
1378 get scrollRightMax() this.win.scrollMaxY,
1380 get scrollLeft() this.win.scrollX,
1381 set scrollLeft(val) { this.win.scrollTo(val, this.win.scrollY); },
1383 get scrollTop() this.win.scrollY,
1384 set scrollTop(val) { this.win.scrollTo(this.win.scrollX, val); }
1389 get ZOOM_MIN() prefs.get("zoom.minPercent"),
1390 get ZOOM_MAX() prefs.get("zoom.maxPercent"),
1392 setZoom: deprecated("buffer.setZoom", function setZoom()
1393 let ({ buffer } = overlay.activeModules) buffer.setZoom.apply(buffer, arguments)),
1394 bumpZoomLevel: deprecated("buffer.bumpZoomLevel", function bumpZoomLevel()
1395 let ({ buffer } = overlay.activeModules) buffer.bumpZoomLevel.apply(buffer, arguments)),
1398 * Returns the currently selected word in *win*. If the selection is
1399 * null, it tries to guess the word that the caret is positioned in.
1403 currentWord: function currentWord(win, select) {
1404 let { Editor, options } = Buffer(win).modules;
1406 let selection = win.getSelection();
1407 if (selection.rangeCount == 0)
1410 let range = selection.getRangeAt(0).cloneRange();
1411 if (range.collapsed) {
1412 let re = options.get("iskeyword").regexp;
1413 Editor.extendRange(range, true, re, true);
1414 Editor.extendRange(range, false, re, true);
1417 selection.removeAllRanges();
1418 selection.addRange(range);
1420 return DOM.stringify(range);
1423 getDefaultNames: function getDefaultNames(node) {
1424 let url = node.href || node.src || node.documentURI;
1425 let currExt = url.replace(/^.*?(?:\.([a-z0-9]+))?$/i, "$1").toLowerCase();
1428 if (isinstance(node, [Ci.nsIDOMDocument,
1429 Ci.nsIDOMHTMLImageElement])) {
1430 let type = node.contentType || node.QueryInterface(Ci.nsIImageLoadingContent)
1431 .getRequest(0).mimeType;
1433 if (type === "text/plain")
1434 ext = "." + (currExt || "txt");
1436 ext = "." + services.mime.getPrimaryExtension(type, currExt);
1439 ext = "." + currExt;
1441 let re = ext ? RegExp("(\\." + currExt + ")?$", "i") : /$/;
1445 names.push([node.title,
1446 _("buffer.save.pageName")]);
1449 names.push([node.alt,
1450 _("buffer.save.altText")]);
1452 if (!isinstance(node, Ci.nsIDOMDocument) && node.textContent)
1453 names.push([node.textContent,
1454 _("buffer.save.linkText")]);
1456 names.push([decodeURIComponent(url.replace(/.*?([^\/]*)\/*$/, "$1")),
1457 _("buffer.save.filename")]);
1459 return names.filter(([leaf, title]) => leaf)
1460 .map(([leaf, title]) => [leaf.replace(config.OS.illegalCharacters, encodeURIComponent)
1461 .replace(re, ext), title]);
1464 findScrollableWindow: deprecated("buffer.findScrollableWindow", function findScrollableWindow()
1465 let ({ buffer } = overlay.activeModules) buffer.findScrollableWindow.apply(buffer, arguments)),
1466 findScrollable: deprecated("buffer.findScrollable", function findScrollable()
1467 let ({ buffer } = overlay.activeModules) buffer.findScrollable.apply(buffer, arguments)),
1469 isScrollable: function isScrollable(elem, dir, horizontal) {
1470 if (!DOM(elem).isScrollable(horizontal ? "horizontal" : "vertical"))
1473 return this.canScroll(elem, dir, horizontal);
1476 canScroll: function canScroll(elem, dir, horizontal) {
1477 let pos = "scrollTop", size = "clientHeight", end = "scrollHeight", layoutSize = "offsetHeight",
1478 overflow = "overflowX", border1 = "borderTopWidth", border2 = "borderBottomWidth";
1480 pos = "scrollLeft", size = "clientWidth", end = "scrollWidth", layoutSize = "offsetWidth",
1481 overflow = "overflowX", border1 = "borderLeftWidth", border2 = "borderRightWidth";
1484 return elem[pos] > 0;
1486 let max = pos + "Max";
1488 if (elem[pos] < elem[max])
1492 return elem[pos] > 0;
1495 let style = DOM(elem).style;
1496 let borderSize = Math.round(parseFloat(style[border1]) + parseFloat(style[border2]));
1497 let realSize = elem[size];
1499 // Stupid Gecko eccentricities. May fail for quirks mode documents.
1500 if (elem[size] + borderSize >= elem[end] || elem[size] == 0) // Stupid, fallible heuristic.
1503 if (style[overflow] == "hidden")
1504 realSize += borderSize;
1505 return dir > 0 && elem[pos] + realSize < elem[end] || !dir && realSize < elem[end];
1509 * Scroll the contents of the given element to the absolute *left*
1510 * and *top* pixel offsets.
1512 * @param {Element} elem The element to scroll.
1513 * @param {number|null} left The left absolute pixel offset. If
1514 * null, to not alter the horizontal scroll offset.
1515 * @param {number|null} top The top absolute pixel offset. If
1516 * null, to not alter the vertical scroll offset.
1517 * @param {string} reason The reason for the scroll event. See
1518 * {@link marks.push}. @optional
1520 scrollTo: function scrollTo(elem, left, top, reason) {
1521 let doc = elem.ownerDocument || elem.document || elem;
1523 let { buffer, marks, options } = util.topWindow(doc.defaultView).dactyl.modules;
1525 if (~[elem, elem.document, elem.ownerDocument].indexOf(buffer.focusedFrame.document))
1528 if (options["scrollsteps"] > 1)
1529 return this.smoothScrollTo(elem, left, top);
1531 elem = Buffer.Scrollable(elem);
1533 elem.scrollLeft = left;
1535 elem.scrollTop = top;
1539 * Like scrollTo, but scrolls more smoothly and does not update
1542 smoothScrollTo: let (timers = WeakMap())
1543 function smoothScrollTo(node, x, y) {
1544 let { options } = overlay.activeModules;
1546 let time = options["scrolltime"];
1547 let steps = options["scrollsteps"];
1549 let elem = Buffer.Scrollable(node);
1551 if (timers.has(node))
1552 timers.get(node).cancel();
1555 x = elem.scrollLeft;
1559 x = node.dactylScrollDestX = Math.min(x, elem.scrollWidth - elem.clientWidth);
1560 y = node.dactylScrollDestY = Math.min(y, elem.scrollHeight - elem.clientHeight);
1561 let [startX, startY] = [elem.scrollLeft, elem.scrollTop];
1564 if (n++ === steps) {
1565 elem.scrollLeft = x;
1567 delete node.dactylScrollDestX;
1568 delete node.dactylScrollDestY;
1571 elem.scrollLeft = startX + (x - startX) / steps * n;
1572 elem.scrollTop = startY + (y - startY) / steps * n;
1573 timers.set(node, util.timeout(next, time / steps));
1579 * Scrolls the currently given element horizontally.
1581 * @param {Element} elem The element to scroll.
1582 * @param {string} unit The increment by which to scroll.
1583 * Possible values are: "columns", "pages"
1584 * @param {number} number The possibly fractional number of
1585 * increments to scroll. Positive values scroll to the right while
1586 * negative values scroll to the left.
1587 * @throws {FailedAssertion} if scrolling is not possible in the
1590 scrollHorizontal: function scrollHorizontal(node, unit, number) {
1591 let fontSize = parseInt(DOM(node).style.fontSize);
1593 let elem = Buffer.Scrollable(node);
1595 if (unit == "columns")
1596 increment = fontSize; // Good enough, I suppose.
1597 else if (unit == "pages")
1598 increment = elem.clientWidth - fontSize;
1602 util.assert(number < 0 ? elem.scrollLeft > 0 : elem.scrollLeft < elem.scrollWidth - elem.clientWidth);
1604 let left = node.dactylScrollDestX !== undefined ? node.dactylScrollDestX : elem.scrollLeft;
1605 node.dactylScrollDestX = undefined;
1607 Buffer.scrollTo(node, left + number * increment, null, "h-" + unit);
1611 * Scrolls the given element vertically.
1613 * @param {Node} node The node to scroll.
1614 * @param {string} unit The increment by which to scroll.
1615 * Possible values are: "lines", "pages"
1616 * @param {number} number The possibly fractional number of
1617 * increments to scroll. Positive values scroll upward while
1618 * negative values scroll downward.
1619 * @throws {FailedAssertion} if scrolling is not possible in the
1622 scrollVertical: function scrollVertical(node, unit, number) {
1623 let fontSize = parseInt(DOM(node).style.lineHeight);
1625 let elem = Buffer.Scrollable(node);
1627 if (unit == "lines")
1628 increment = fontSize;
1629 else if (unit == "pages")
1630 increment = elem.clientHeight - fontSize;
1634 util.assert(number < 0 ? elem.scrollTop > 0 : elem.scrollTop < elem.scrollHeight - elem.clientHeight);
1636 let top = node.dactylScrollDestY !== undefined ? node.dactylScrollDestY : elem.scrollTop;
1637 node.dactylScrollDestY = undefined;
1639 Buffer.scrollTo(node, null, top + number * increment, "v-" + unit);
1643 * Scrolls the currently active element to the given horizontal and
1644 * vertical percentages.
1646 * @param {Element} elem The element to scroll.
1647 * @param {number|null} horizontal The possibly fractional
1648 * percentage of the current viewport width to scroll to. If null,
1649 * do not scroll horizontally.
1650 * @param {number|null} vertical The possibly fractional percentage
1651 * of the current viewport height to scroll to. If null, do not
1652 * scroll vertically.
1654 scrollToPercent: function scrollToPercent(node, horizontal, vertical) {
1655 let elem = Buffer.Scrollable(node);
1656 Buffer.scrollTo(node,
1657 horizontal == null ? null
1658 : (elem.scrollWidth - elem.clientWidth) * (horizontal / 100),
1659 vertical == null ? null
1660 : (elem.scrollHeight - elem.clientHeight) * (vertical / 100));
1664 * Scrolls the currently active element to the given horizontal and
1665 * vertical position.
1667 * @param {Element} elem The element to scroll.
1668 * @param {number|null} horizontal The possibly fractional
1669 * line ordinal to scroll to.
1670 * @param {number|null} vertical The possibly fractional
1671 * column ordinal to scroll to.
1673 scrollToPosition: function scrollToPosition(elem, horizontal, vertical) {
1674 let style = DOM(elem.body || elem).style;
1675 Buffer.scrollTo(elem,
1676 horizontal == null ? null :
1677 horizontal == 0 ? 0 : this._exWidth(elem) * horizontal,
1678 vertical == null ? null : parseFloat(style.lineHeight) * vertical);
1682 * Returns the current scroll position as understood by
1683 * {@link #scrollToPosition}.
1685 * @param {Element} elem The element to scroll.
1687 getScrollPosition: function getPosition(node) {
1688 let style = DOM(node.body || node).style;
1690 let elem = Buffer.Scrollable(node);
1692 x: elem.scrollLeft && elem.scrollLeft / this._exWidth(node),
1693 y: elem.scrollTop / parseFloat(style.lineHeight)
1697 _exWidth: function _exWidth(elem) {
1699 let div = DOM(["elem", { style: "width: 1ex !important; position: absolute !important; padding: 0 !important; display: block;" }],
1700 elem.ownerDocument).appendTo(elem.body || elem);
1702 return parseFloat(div.style.width);
1709 return parseFloat(DOM(elem).fontSize) / 1.618;
1713 openUploadPrompt: function openUploadPrompt(elem) {
1714 let { io } = overlay.activeModules;
1716 io.CommandFileMode(_("buffer.prompt.uploadFile") + " ", {
1717 onSubmit: function onSubmit(path) {
1718 let file = io.File(path);
1719 util.assert(file.exists());
1721 DOM(elem).val(file.path).change();
1723 }).open(elem.value);
1726 init: function init(dactyl, modules, window) {
1727 init.superapply(this, arguments);
1729 dactyl.commands["buffer.viewSource"] = function (event) {
1730 let elem = event.originalTarget;
1731 let obj = { url: elem.getAttribute("href"), line: Number(elem.getAttribute("line")) };
1732 if (elem.hasAttribute("column"))
1733 obj.column = elem.getAttribute("column");
1735 modules.buffer.viewSource(obj);
1738 commands: function initCommands(dactyl, modules, window) {
1739 let { buffer, commands, config, options } = modules;
1741 commands.add(["frameo[nly]"],
1742 "Show only the current frame's page",
1744 dactyl.open(buffer.focusedFrame.location.href);
1748 commands.add(["ha[rdcopy]"],
1749 "Print current document",
1753 // FIXME: arg handling is a bit of a mess, check for filename
1754 dactyl.assert(!arg || arg[0] == ">" && !config.OS.isWindows,
1755 _("error.trailingCharacters"));
1757 const PRINTER = "PostScript/default";
1758 const BRANCH = "printer_" + PRINTER + ".";
1759 const BRANCHES = ["print.", BRANCH, "print." + BRANCH];
1760 function set(pref, value) {
1761 BRANCHES.forEach(function (branch) { prefs.set(branch + pref, value); });
1764 prefs.withContext(function () {
1766 prefs.set("print.print_printer", PRINTER);
1768 let { path } = io.File(arg.substr(1));
1769 set("print_to_file", true);
1770 set("print_to_filename", path);
1771 prefs.set("print_to_filename", path);
1773 dactyl.echomsg(_("print.toFile", arg.substr(1)));
1776 dactyl.echomsg(_("print.sending"));
1778 prefs.set("print.always_print_silent", args.bang);
1780 prefs.set("print.show_print_progress", !args.bang);
1782 config.browser.contentWindow.print();
1785 dactyl.echomsg(_("print.sent"));
1790 completer: function (context, args) {
1791 if (args.bang && /^>/.test(context.filter))
1792 context.fork("file", 1, modules.completion, "file");
1797 commands.add(["pa[geinfo]"],
1798 "Show various page information",
1801 let opt = options.get("pageinfo");
1803 dactyl.assert(!arg || opt.validator(opt.parse(arg)),
1804 _("error.invalidArgument", arg));
1805 buffer.showPageInfo(true, arg);
1809 completer: function (context) {
1810 modules.completion.optionValue(context, "pageinfo", "+", "");
1811 context.title = ["Page Info"];
1815 commands.add(["pagest[yle]", "pas"],
1816 "Select the author style sheet to apply",
1818 let arg = args[0] || "";
1820 let titles = buffer.alternateStyleSheets.map(sheet => sheet.title);
1822 dactyl.assert(!arg || titles.indexOf(arg) >= 0,
1823 _("error.invalidArgument", arg));
1825 if (options["usermode"])
1826 options["usermode"] = false;
1828 window.stylesheetSwitchAll(buffer.focusedFrame, arg);
1832 completer: function (context) modules.completion.alternateStyleSheet(context),
1836 commands.add(["re[load]"],
1837 "Reload the current web page",
1838 function (args) { modules.tabs.reload(config.browser.mCurrentTab, args.bang); },
1844 // TODO: we're prompted if download.useDownloadDir isn't set and no arg specified - intentional?
1845 commands.add(["sav[eas]", "w[rite]"],
1846 "Save current document to disk",
1848 let { commandline, io } = modules;
1849 let { doc, win } = buffer;
1851 let chosenData = null;
1852 let filename = args[0];
1854 let command = commandline.command;
1856 if (filename[0] == "!")
1857 return buffer.viewSourceExternally(buffer.focusedFrame.document,
1859 let output = io.system(filename.substr(1), file);
1860 commandline.command = command;
1861 commandline.commandOutput(["span", { highlight: "CmdOutput" }, output]);
1864 if (/^>>/.test(filename)) {
1865 let file = io.File(filename.replace(/^>>\s*/, ""));
1866 dactyl.assert(args.bang || file.exists() && file.isWritable(),
1867 _("io.notWriteable", file.path.quote()));
1869 return buffer.viewSourceExternally(buffer.focusedFrame.document,
1870 function (tmpFile) {
1872 file.write(tmpFile, ">>");
1875 dactyl.echoerr(_("io.notWriteable", file.path.quote()));
1880 let file = io.File(filename);
1882 if (filename.substr(-1) === File.PATH_SEP || file.exists() && file.isDirectory())
1883 file.append(Buffer.getDefaultNames(doc)[0][0]);
1885 dactyl.assert(args.bang || !file.exists(), _("io.exists"));
1887 chosenData = { file: file.file, uri: util.newURI(doc.location.href) };
1890 // if browser.download.useDownloadDir = false then the "Save As"
1891 // dialog is used with this as the default directory
1892 // TODO: if we're going to do this shouldn't it be done in setCWD or the value restored?
1893 prefs.set("browser.download.lastDir", io.cwd.path);
1896 var contentDisposition = win.QueryInterface(Ci.nsIInterfaceRequestor)
1897 .getInterface(Ci.nsIDOMWindowUtils)
1898 .getDocumentMetadata("content-disposition");
1902 window.internalSave(doc.location.href, doc, null, contentDisposition,
1903 doc.contentType, false, null, chosenData,
1904 doc.referrer ? window.makeURI(doc.referrer) : null,
1910 completer: function (context) {
1911 let { buffer, completion } = modules;
1913 if (context.filter[0] == "!")
1915 if (/^>>/.test(context.filter))
1916 context.advance(/^>>\s*/.exec(context.filter)[0].length);
1918 completion.savePage(context, buffer.doc);
1919 context.fork("file", 0, completion, "file");
1924 commands.add(["st[op]"],
1925 "Stop loading the current web page",
1926 function () { buffer.stop(); },
1929 commands.add(["vie[wsource]"],
1930 "View source code of current document",
1931 function (args) { buffer.viewSource(args[0], args.bang); },
1935 completer: function (context) modules.completion.url(context, "bhf")
1938 commands.add(["zo[om]"],
1939 "Set zoom value of current web page",
1946 else if (/^\d+$/.test(arg))
1947 level = parseInt(arg, 10);
1948 else if (/^[+-]\d+$/.test(arg))
1949 level = Math.round(buffer.zoomLevel + parseInt(arg, 10));
1951 dactyl.assert(false, _("error.trailingCharacters"));
1953 buffer.setZoom(level, args.bang);
1960 completion: function initCompletion(dactyl, modules, window) {
1961 let { CompletionContext, buffer, completion } = modules;
1963 completion.alternateStyleSheet = function alternateStylesheet(context) {
1964 context.title = ["Stylesheet", "Location"];
1966 // unify split style sheets
1967 let styles = iter([s.title, []] for (s in values(buffer.alternateStyleSheets))).toObject();
1969 buffer.alternateStyleSheets.forEach(function (style) {
1970 styles[style.title].push(style.href || _("style.inline"));
1973 context.completions = [[title, href.join(", ")] for ([title, href] in Iterator(styles))];
1976 completion.savePage = function savePage(context, node) {
1977 context.fork("generated", context.filter.replace(/[^/]*$/, "").length,
1978 this, function (context) {
1979 context.generate = function () {
1980 this.incomplete = true;
1981 this.completions = Buffer.getDefaultNames(node);
1982 util.httpGet(node.href || node.src || node.documentURI, {
1984 callback: function callback(xhr) {
1985 context.incomplete = false;
1987 if (/filename="(.*?)"/.test(xhr.getResponseHeader("Content-Disposition")))
1988 context.completions.push([decodeURIComponent(RegExp.$1),
1989 _("buffer.save.suggested")]);
1992 context.completions = context.completions.slice();
1995 notificationCallbacks: Class(XPCOM([Ci.nsIChannelEventSink, Ci.nsIInterfaceRequestor]), {
1996 getInterface: function getInterface(iid) this.QueryInterface(iid),
1998 asyncOnChannelRedirect: function (oldChannel, newChannel, flags, callback) {
1999 if (newChannel instanceof Ci.nsIHttpChannel)
2000 newChannel.requestMethod = "HEAD";
2001 callback.onRedirectVerifyCallback(Cr.NS_OK);
2009 events: function initEvents(dactyl, modules, window) {
2010 let { buffer, config, events } = modules;
2012 events.listen(config.browser, "scroll", buffer.closure._updateBufferPosition, false);
2014 mappings: function initMappings(dactyl, modules, window) {
2015 let { Editor, Events, buffer, editor, events, ex, mappings, modes, options, tabs } = modules;
2017 mappings.add([modes.NORMAL],
2018 ["y", "<yank-location>"], "Yank current location to the clipboard",
2020 let { doc, uri } = buffer;
2021 if (uri instanceof Ci.nsIURL)
2022 uri.query = uri.query.replace(/(?:^|&)utm_[^&]+/g, "")
2025 let url = options.get("yankshort").getKey(uri) && buffer.shortURL || uri.spec;
2026 dactyl.clipboardWrite(url, true);
2029 mappings.add([modes.NORMAL],
2030 ["<C-a>", "<increment-url-path>"], "Increment last number in URL",
2031 function ({ count }) { buffer.incrementURL(Math.max(count, 1)); },
2034 mappings.add([modes.NORMAL],
2035 ["<C-x>", "<decrement-url-path>"], "Decrement last number in URL",
2036 function ({ count }) { buffer.incrementURL(-Math.max(count, 1)); },
2039 mappings.add([modes.NORMAL], ["gu", "<open-parent-path>"],
2040 "Go to parent directory",
2041 function ({ count }) { buffer.climbUrlPath(Math.max(count, 1)); },
2044 mappings.add([modes.NORMAL], ["gU", "<open-root-path>"],
2045 "Go to the root of the website",
2046 function () { buffer.climbUrlPath(-1); });
2048 mappings.add([modes.COMMAND], [".", "<repeat-key>"],
2049 "Repeat the last key event",
2050 function ({ count }) {
2051 if (mappings.repeat) {
2052 for (let i in util.interruptibleRange(0, Math.max(count, 1), 100))
2058 mappings.add([modes.NORMAL], ["i", "<Insert>"],
2060 function () { modes.push(modes.CARET); });
2062 mappings.add([modes.NORMAL], ["<C-c>", "<stop-load>"],
2063 "Stop loading the current web page",
2064 function () { ex.stop(); });
2067 mappings.add([modes.NORMAL], ["j", "<Down>", "<C-e>", "<scroll-down-line>"],
2068 "Scroll document down",
2069 function ({ count }) { buffer.scrollVertical("lines", Math.max(count, 1)); },
2072 mappings.add([modes.NORMAL], ["k", "<Up>", "<C-y>", "<scroll-up-line>"],
2073 "Scroll document up",
2074 function ({ count }) { buffer.scrollVertical("lines", -Math.max(count, 1)); },
2077 mappings.add([modes.NORMAL], dactyl.has("mail") ? ["h", "<scroll-left-column>"] : ["h", "<Left>", "<scroll-left-column>"],
2078 "Scroll document to the left",
2079 function ({ count }) { buffer.scrollHorizontal("columns", -Math.max(count, 1)); },
2082 mappings.add([modes.NORMAL], dactyl.has("mail") ? ["l", "<scroll-right-column>"] : ["l", "<Right>", "<scroll-right-column>"],
2083 "Scroll document to the right",
2084 function ({ count }) { buffer.scrollHorizontal("columns", Math.max(count, 1)); },
2087 mappings.add([modes.NORMAL], ["0", "^", "<scroll-begin>"],
2088 "Scroll to the absolute left of the document",
2089 function () { buffer.scrollToPercent(0, null); });
2091 mappings.add([modes.NORMAL], ["$", "<scroll-end>"],
2092 "Scroll to the absolute right of the document",
2093 function () { buffer.scrollToPercent(100, null); });
2095 mappings.add([modes.NORMAL], ["gg", "<Home>", "<scroll-top>"],
2096 "Go to the top of the document",
2097 function ({ count }) { buffer.scrollToPercent(null, count != null ? count : 0,
2098 count != null ? 0 : -1); },
2101 mappings.add([modes.NORMAL], ["G", "<End>", "<scroll-bottom>"],
2102 "Go to the end of the document",
2103 function ({ count }) {
2105 var elem = options.get("linenumbers")
2106 .getLine(buffer.focusedFrame.document,
2109 elem.scrollIntoView(true);
2111 buffer.scrollToPosition(null, count);
2113 buffer.scrollToPercent(null, 100, 1);
2117 mappings.add([modes.NORMAL], ["%", "<scroll-percent>"],
2118 "Scroll to {count} percent of the document",
2119 function ({ count }) {
2120 dactyl.assert(count > 0 && count <= 100);
2121 buffer.scrollToPercent(null, count);
2125 mappings.add([modes.NORMAL], ["<C-d>", "<scroll-down>"],
2126 "Scroll window downwards in the buffer",
2127 function ({ count }) { buffer._scrollByScrollSize(count, true); },
2130 mappings.add([modes.NORMAL], ["<C-u>", "<scroll-up>"],
2131 "Scroll window upwards in the buffer",
2132 function ({ count }) { buffer._scrollByScrollSize(count, false); },
2135 mappings.add([modes.NORMAL], ["<C-b>", "<PageUp>", "<S-Space>", "<scroll-up-page>"],
2136 "Scroll up a full page",
2137 function ({ count }) { buffer.scrollVertical("pages", -Math.max(count, 1)); },
2140 mappings.add([modes.NORMAL], ["<Space>"],
2141 "Scroll down a full page",
2142 function ({ count }) {
2143 if (isinstance((services.focus.focusedWindow || buffer.win).document.activeElement,
2144 [Ci.nsIDOMHTMLInputElement,
2145 Ci.nsIDOMHTMLButtonElement,
2146 Ci.nsIDOMXULButtonElement]))
2149 buffer.scrollVertical("pages", Math.max(count, 1));
2153 mappings.add([modes.NORMAL], ["<C-f>", "<PageDown>", "<scroll-down-page>"],
2154 "Scroll down a full page",
2155 function ({ count }) { buffer.scrollVertical("pages", Math.max(count, 1)); },
2158 mappings.add([modes.NORMAL], ["]f", "<previous-frame>"],
2160 function ({ count }) { buffer.shiftFrameFocus(Math.max(count, 1)); },
2163 mappings.add([modes.NORMAL], ["[f", "<next-frame>"],
2164 "Focus previous frame",
2165 function ({ count }) { buffer.shiftFrameFocus(-Math.max(count, 1)); },
2168 mappings.add([modes.NORMAL], ["["],
2169 "Jump to the previous element as defined by 'jumptags'",
2170 function ({ arg, count }) { buffer.findJump(arg, count, true); },
2171 { arg: true, count: true });
2173 mappings.add([modes.NORMAL], ["g]"],
2174 "Jump to the next off-screen element as defined by 'jumptags'",
2175 function ({ arg, count }) { buffer.findJump(arg, count, false, true); },
2176 { arg: true, count: true });
2178 mappings.add([modes.NORMAL], ["]"],
2179 "Jump to the next element as defined by 'jumptags'",
2180 function ({ arg, count }) { buffer.findJump(arg, count, false); },
2181 { arg: true, count: true });
2183 mappings.add([modes.NORMAL], ["{"],
2184 "Jump to the previous paragraph",
2185 function ({ count }) { buffer.findJump("p", count, true); },
2188 mappings.add([modes.NORMAL], ["}"],
2189 "Jump to the next paragraph",
2190 function ({ count }) { buffer.findJump("p", count, false); },
2193 mappings.add([modes.NORMAL], ["]]", "<next-page>"],
2194 "Follow the link labeled 'next' or '>' if it exists",
2195 function ({ count }) {
2196 buffer.findLink("next", options["nextpattern"], (count || 1) - 1, true);
2200 mappings.add([modes.NORMAL], ["[[", "<previous-page>"],
2201 "Follow the link labeled 'prev', 'previous' or '<' if it exists",
2202 function ({ count }) {
2203 buffer.findLink("prev", options["previouspattern"], (count || 1) - 1, true);
2207 mappings.add([modes.NORMAL], ["gf", "<view-source>"],
2208 "Toggle between rendered and source view",
2209 function () { buffer.viewSource(null, false); });
2211 mappings.add([modes.NORMAL], ["gF", "<view-source-externally>"],
2212 "View source with an external editor",
2213 function () { buffer.viewSource(null, true); });
2215 mappings.add([modes.NORMAL], ["gi", "<focus-input>"],
2216 "Focus last used input field",
2217 function ({ count }) {
2218 let elem = buffer.lastInputField;
2220 if (count >= 1 || !elem || !events.isContentNode(elem)) {
2221 let xpath = ["frame", "iframe", "input", "xul:textbox", "textarea[not(@disabled) and not(@readonly)]"];
2223 let frames = buffer.allFrames(null, true);
2225 let elements = array.flatten(frames.map(win => [m for (m in DOM.XPath(xpath, win.document))]))
2226 .filter(function (elem) {
2227 if (isinstance(elem, [Ci.nsIDOMHTMLFrameElement,
2228 Ci.nsIDOMHTMLIFrameElement]))
2229 return Editor.getEditor(elem.contentWindow);
2233 if (elem[0].readOnly || !DOM(elem).isEditable)
2236 let style = elem.style;
2237 let rect = elem.rect;
2238 return elem.isVisible &&
2239 (elem[0] instanceof Ci.nsIDOMXULTextBoxElement || style.MozUserFocus != "ignore") &&
2240 rect.width && rect.height;
2243 dactyl.assert(elements.length > 0);
2244 elem = elements[Math.constrain(count, 1, elements.length) - 1];
2246 buffer.focusElement(elem);
2247 DOM(elem).scrollIntoView();
2252 let url = dactyl.clipboardRead();
2253 dactyl.assert(url, _("error.clipboardEmpty"));
2255 let proto = /^([-\w]+):/.exec(url);
2256 if (proto && services.PROTOCOL + proto[1] in Cc && !RegExp(options["urlseparator"]).test(url))
2257 return url.replace(/\s+/g, "");
2261 mappings.add([modes.NORMAL], ["gP"],
2262 "Open (put) a URL based on the current clipboard contents in a new background buffer",
2264 dactyl.open(url(), { from: "paste", where: dactyl.NEW_TAB, background: true });
2267 mappings.add([modes.NORMAL], ["p", "<MiddleMouse>", "<open-clipboard-url>"],
2268 "Open (put) a URL based on the current clipboard contents in the current buffer",
2273 mappings.add([modes.NORMAL], ["P", "<tab-open-clipboard-url>"],
2274 "Open (put) a URL based on the current clipboard contents in a new buffer",
2276 dactyl.open(url(), { from: "paste", where: dactyl.NEW_TAB });
2280 mappings.add([modes.NORMAL], ["r", "<reload>"],
2281 "Reload the current web page",
2282 function () { tabs.reload(tabs.getTab(), false); });
2284 mappings.add([modes.NORMAL], ["R", "<full-reload>"],
2285 "Reload while skipping the cache",
2286 function () { tabs.reload(tabs.getTab(), true); });
2289 mappings.add([modes.NORMAL], ["Y", "<yank-selection>"],
2290 "Copy selected text or current word",
2292 let sel = buffer.currentWord;
2294 editor.setRegister(null, sel, true);
2298 mappings.add([modes.NORMAL], ["zi", "+", "<text-zoom-in>"],
2299 "Enlarge text zoom of current web page",
2300 function ({ count }) { buffer.zoomIn(Math.max(count, 1), false); },
2303 mappings.add([modes.NORMAL], ["zm", "<text-zoom-more>"],
2304 "Enlarge text zoom of current web page by a larger amount",
2305 function ({ count }) { buffer.zoomIn(Math.max(count, 1) * 3, false); },
2308 mappings.add([modes.NORMAL], ["zo", "-", "<text-zoom-out>"],
2309 "Reduce text zoom of current web page",
2310 function ({ count }) { buffer.zoomOut(Math.max(count, 1), false); },
2313 mappings.add([modes.NORMAL], ["zr", "<text-zoom-reduce>"],
2314 "Reduce text zoom of current web page by a larger amount",
2315 function ({ count }) { buffer.zoomOut(Math.max(count, 1) * 3, false); },
2318 mappings.add([modes.NORMAL], ["zz", "<text-zoom>"],
2319 "Set text zoom value of current web page",
2320 function ({ count }) { buffer.setZoom(count > 1 ? count : 100, false); },
2323 mappings.add([modes.NORMAL], ["ZI", "zI", "<full-zoom-in>"],
2324 "Enlarge full zoom of current web page",
2325 function ({ count }) { buffer.zoomIn(Math.max(count, 1), true); },
2328 mappings.add([modes.NORMAL], ["ZM", "zM", "<full-zoom-more>"],
2329 "Enlarge full zoom of current web page by a larger amount",
2330 function ({ count }) { buffer.zoomIn(Math.max(count, 1) * 3, true); },
2333 mappings.add([modes.NORMAL], ["ZO", "zO", "<full-zoom-out>"],
2334 "Reduce full zoom of current web page",
2335 function ({ count }) { buffer.zoomOut(Math.max(count, 1), true); },
2338 mappings.add([modes.NORMAL], ["ZR", "zR", "<full-zoom-reduce>"],
2339 "Reduce full zoom of current web page by a larger amount",
2340 function ({ count }) { buffer.zoomOut(Math.max(count, 1) * 3, true); },
2343 mappings.add([modes.NORMAL], ["zZ", "<full-zoom>"],
2344 "Set full zoom value of current web page",
2345 function ({ count }) { buffer.setZoom(count > 1 ? count : 100, true); },
2349 mappings.add([modes.NORMAL], ["<C-g>", "<page-info>"],
2350 "Print the current file name",
2351 function () { buffer.showPageInfo(false); });
2353 mappings.add([modes.NORMAL], ["g<C-g>", "<more-page-info>"],
2354 "Print file information",
2355 function () { buffer.showPageInfo(true); });
2357 options: function initOptions(dactyl, modules, window) {
2358 let { Option, buffer, completion, config, options } = modules;
2360 options.add(["encoding", "enc"],
2361 "The current buffer's character encoding",
2364 scope: Option.SCOPE_LOCAL,
2365 getter: function () buffer.docShell.QueryInterface(Ci.nsIDocCharset).charset,
2366 setter: function (val) {
2367 if (options["encoding"] == val)
2370 // Stolen from browser.jar/content/browser/browser.js, more or less.
2372 buffer.docShell.QueryInterface(Ci.nsIDocCharset).charset = val;
2373 window.PlacesUtils.history.setCharsetForURI(buffer.uri, val);
2374 buffer.docShell.reload(Ci.nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
2376 catch (e) { dactyl.reportError(e); }
2379 completer: function (context) completion.charset(context)
2382 options.add(["iskeyword", "isk"],
2383 "Regular expression defining which characters constitute words",
2384 "string", '[^\\s.,!?:;/"\'^$%&?()[\\]{}<>#*+|=~_-]',
2386 setter: function (value) {
2387 this.regexp = util.regexp(value);
2390 validator: function (value) RegExp(value)
2393 options.add(["jumptags", "jt"],
2394 "XPath or CSS selector strings of jumpable elements for extended hint modes",
2396 "p": "p,table,ul,ol,blockquote",
2397 "h": "h1,h2,h3,h4,h5,h6"
2401 setter: function (vals) {
2402 for (let [k, v] in Iterator(vals))
2403 vals[k] = update(new String(v), { matcher: DOM.compileMatcher(Option.splitList(v)) });
2406 validator: function (value) DOM.validateMatcher.call(this, value)
2407 && Object.keys(value).every(v => v.length == 1)
2410 options.add(["linenumbers", "ln"],
2411 "Patterns used to determine line numbers used by G",
2413 // Make sure to update the docs when you change this.
2414 "view-source:*": 'body,[id^=line]',
2415 "code.google.com": '#nums [id^="nums_table"] a[href^="#"]',
2416 "github.com": '.line_numbers>*',
2417 "mxr.mozilla.org": 'a.l',
2418 "pastebin.com": '#code_frame>div>ol>li',
2419 "addons.mozilla.org": '.gutter>.line>a',
2420 "bugzilla.mozilla.org": ".bz_comment:not(.bz_first_comment):not(.ih_history)",
2421 "*": '/* Hgweb/Gitweb */ .completecodeline a.codeline, a.linenr'
2424 getLine: function getLine(doc, line) {
2425 let uri = util.newURI(doc.documentURI);
2426 for (let filter in values(this.value))
2427 if (filter(uri, doc)) {
2428 if (/^func:/.test(filter.result))
2429 var res = dactyl.userEval("(" + Option.dequote(filter.result.substr(5)) + ")")(doc, line);
2431 res = iter.nth(filter.matcher(doc),
2432 elem => ((elem.nodeValue || elem.textContent).trim() == line &&
2433 DOM(elem).display != "none"),
2435 || iter.nth(filter.matcher(doc), util.identity, line - 1);
2445 setter: function (vals) {
2446 for (let value in values(vals))
2447 if (!/^func:/.test(value.result))
2448 value.matcher = DOM.compileMatcher(Option.splitList(value.result));
2452 validator: function validate(values) {
2453 return this.testValues(values, function (value) {
2454 if (/^func:/.test(value))
2455 return callable(dactyl.userEval("(" + Option.dequote(value.substr(5)) + ")"));
2457 return DOM.testMatcher(Option.dequote(value));
2462 options.add(["nextpattern"],
2463 "Patterns to use when guessing the next page in a document sequence",
2464 "regexplist", UTF8(/'^Next [>»]','^Next »','\bnext\b',^>$,^(>>|»)$,^(>|»),(>|»)$,'\bmore\b'/.source),
2465 { regexpFlags: "i" });
2467 options.add(["previouspattern"],
2468 "Patterns to use when guessing the previous page in a document sequence",
2469 "regexplist", UTF8(/'[<«] Prev$','« Prev$','\bprev(ious)?\b',^<$,^(<<|«)$,^(<|«),(<|«)$/.source),
2470 { regexpFlags: "i" });
2472 options.add(["pageinfo", "pa"],
2473 "Define which sections are shown by the :pageinfo command",
2474 "charlist", "gesfm",
2475 { get values() values(Buffer.pageInfo).toObject() });
2477 options.add(["scroll", "scr"],
2478 "Number of lines to scroll with <C-u> and <C-d> commands",
2480 { validator: function (value) value >= 0 });
2482 options.add(["showstatuslinks", "ssli"],
2483 "Where to show the destination of the link under the cursor",
2487 "": "Don't show link destinations",
2488 "status": "Show link destinations in the status line",
2489 "command": "Show link destinations in the command line"
2493 options.add(["scrolltime", "sct"],
2494 "The time, in milliseconds, in which to smooth scroll to a new position",
2497 options.add(["scrollsteps", "scs"],
2498 "The number of steps in which to smooth scroll to a new position",
2501 PREF: "general.smoothScroll",
2503 initValue: function () {},
2505 getter: function getter(value) !prefs.get(this.PREF) ? 1 : value,
2507 setter: function setter(value) {
2508 prefs.set(this.PREF, value > 1);
2513 validator: function (value) value > 0
2516 options.add(["usermode", "um"],
2517 "Show current website without styling defined by the author",
2520 setter: function (value) buffer.contentViewer.authorStyleDisabled = value,
2521 getter: function () buffer.contentViewer.authorStyleDisabled
2524 options.add(["yankshort", "ys"],
2525 "Yank the canonical short URL of a web page where provided",
2526 "sitelist", ["youtube.com", "bugzilla.mozilla.org"]);
2530 Buffer.addPageInfoSection("e", "Search Engines", function (verbose) {
2534 for (let { document: doc } in values(this.allFrames())) {
2535 let engines = DOM("link[href][rel=search][type='application/opensearchdescription+xml']", doc);
2536 nEngines += engines.length;
2539 for (let link in engines)
2540 yield [link.title || /*L*/ "Engine " + n++,
2541 ["a", { href: link.href, highlight: "URL",
2542 onclick: "if (event.button == 0) { window.external.AddSearchProvider(this.href); return false; }" },
2546 if (!verbose && nEngines)
2547 yield nEngines + /*L*/" engine" + (nEngines > 1 ? "s" : "");
2550 Buffer.addPageInfoSection("f", "Feeds", function (verbose) {
2552 "application/rss+xml": "RSS",
2553 "application/atom+xml": "Atom",
2555 "application/xml": "XML",
2556 "application/rdf+xml": "XML"
2559 function isValidFeed(data, principal, isFeed) {
2560 if (!data || !principal)
2564 var type = data.type && data.type.toLowerCase();
2565 type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
2567 isFeed = ["application/rss+xml", "application/atom+xml"].indexOf(type) >= 0 ||
2568 // really slimy: general XML types with magic letters in the title
2569 type in feedTypes && /\brss\b/i.test(data.title);
2574 services.security.checkLoadURIStrWithPrincipal(principal, data.href,
2575 services.security.DISALLOW_INHERIT_PRINCIPAL);
2589 for (let [i, win] in Iterator(this.allFrames())) {
2590 let doc = win.document;
2592 for (let link in DOM("link[href][rel=feed], link[href][rel=alternate][type]", doc)) {
2593 let rel = link.rel.toLowerCase();
2594 let feed = { title: link.title, href: link.href, type: link.type || "" };
2595 if (isValidFeed(feed, doc.nodePrincipal, rel == "feed")) {
2597 let type = feedTypes[feed.type] || "RSS";
2599 yield [feed.title, [template.highlightURL(feed.href, true),
2600 ["span", { class: "extra-info" }, " (" + type + ")"]]];
2606 if (!verbose && nFeed)
2607 yield nFeed + /*L*/" feed" + (nFeed > 1 ? "s" : "");
2610 Buffer.addPageInfoSection("g", "General Info", function (verbose) {
2611 let doc = this.focusedFrame.document;
2614 const ACCESS_READ = Ci.nsICache.ACCESS_READ;
2615 let cacheKey = doc.documentURI;
2617 for (let proto in array.iterValues(["HTTP", "FTP"])) {
2619 var cacheEntryDescriptor = services.cache.createSession(proto, 0, true)
2620 .openCacheEntry(cacheKey, ACCESS_READ, false);
2626 let pageSize = []; // [0] bytes; [1] kbytes
2627 if (cacheEntryDescriptor) {
2628 pageSize[0] = util.formatBytes(cacheEntryDescriptor.dataSize, 0, false);
2629 pageSize[1] = util.formatBytes(cacheEntryDescriptor.dataSize, 2, true);
2630 if (pageSize[1] == pageSize[0])
2631 pageSize.length = 1; // don't output "xx Bytes" twice
2634 let lastModVerbose = new Date(doc.lastModified).toLocaleString();
2635 let lastMod = new Date(doc.lastModified).toLocaleFormat("%x %X");
2637 if (lastModVerbose == "Invalid Date" || new Date(doc.lastModified).getFullYear() == 1970)
2638 lastModVerbose = lastMod = null;
2642 yield (pageSize[1] || pageSize[0]) + /*L*/" bytes";
2647 yield ["Title", doc.title];
2648 yield ["URL", template.highlightURL(doc.location.href, true)];
2650 let { shortURL } = this;
2652 yield ["Short URL", template.highlightURL(shortURL, true)];
2654 let ref = "referrer" in doc && doc.referrer;
2656 yield ["Referrer", template.highlightURL(ref, true)];
2659 yield ["File Size", pageSize[1] ? pageSize[1] + " (" + pageSize[0] + ")"
2662 yield ["Mime-Type", doc.contentType];
2663 yield ["Encoding", doc.characterSet];
2664 yield ["Compatibility", doc.compatMode == "BackCompat" ? "Quirks Mode" : "Full/Almost Standards Mode"];
2666 yield ["Last Modified", lastModVerbose];
2669 Buffer.addPageInfoSection("m", "Meta Tags", function (verbose) {
2673 // get meta tag data, sort and put into pageMeta[]
2674 let metaNodes = this.focusedFrame.document.getElementsByTagName("meta");
2676 return Array.map(metaNodes, node => [(node.name || node.httpEquiv),
2677 template.highlightURL(node.content)])
2678 .sort((a, b) => util.compareIgnoreCase(a[0], b[0]));
2681 Buffer.addPageInfoSection("s", "Security", function (verbose) {
2682 let { statusline } = this.modules;
2684 let identity = this.topWindow.gIdentityHandler;
2686 if (!verbose || !identity)
2689 // Modified from Firefox
2690 function location(data) array.compact([
2691 data.city, data.state, data.country
2694 switch (statusline.security) {
2697 var data = identity.getIdentityData();
2699 yield ["Host", identity.getEffectiveHost()];
2701 if (statusline.security === "extended")
2702 yield ["Owner", data.subjectOrg];
2704 yield ["Owner", _("pageinfo.s.ownerUnverified", data.subjectOrg)];
2706 if (location(data).length)
2707 yield ["Location", location(data)];
2709 yield ["Verified by", data.caOrg];
2711 let { host, port } = identity._lastUri;
2715 if (identity._overrideService.hasMatchingOverride(host, port, data.cert, {}, {}))
2716 yield ["User exception", /*L*/"true"];
2721 // internal navigation doesn't currently update link[rel='shortlink']
2722 Buffer.addURIShortener("youtube.com", (uri, doc) => {
2723 let video = array.toObject(uri.query.split("&")
2724 .map(p => p.split("="))).v;
2725 return video ? util.newURI("http://youtu.be/" + video) : null;
2728 // catch(e){ if (!e.stack) e = Error(e); dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack); }
2732 // vim: set fdm=marker sw=4 sts=4 ts=8 et ft=javascript: