// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const Lang = imports.lang; const St = imports.gi.St; const Main = imports.ui.main; const Tweener = imports.ui.tweener; const SCROLL_TIME = 0.1; // http://daringfireball.net/2010/07/improved_regex_for_matching_urls const _balancedParens = '\\((?:[^\\s()<>]+|(?:\\(?:[^\\s()<>]+\\)))*\\)'; const _leadingJunk = '[\\s`(\\[{\'\\"<\u00AB\u201C\u2018]'; const _notTrailingJunk = '[^\\s`!()\\[\\]{};:\'\\".,<>?\u00AB\u00BB\u201C\u201D\u2018\u2019]'; const _urlRegexp = new RegExp( '(^|' + _leadingJunk + ')' + '(' + '(?:' + '(?:http|https|ftp)://' + // scheme:// '|' + 'www\\d{0,3}[.]' + // www. '|' + '[a-z0-9.\\-]+[.][a-z]{2,4}/' + // foo.xx/ ')' + '(?:' + // one or more: '[^\\s()<>]+' + // run of non-space non-() '|' + // or _balancedParens + // balanced parens ')+' + '(?:' + // end with: _balancedParens + // balanced parens '|' + // or _notTrailingJunk + // last non-junk char ')' + ')', 'gi'); // findUrls: // @str: string to find URLs in // // Searches @str for URLs and returns an array of objects with %url // properties showing the matched URL string, and %pos properties indicating // the position within @str where the URL was found. // // Return value: the list of match objects, as described above function findUrls(str) { let res = [], match; while ((match = _urlRegexp.exec(str))) res.push({ url: match[2], pos: match.index + match[1].length }); return res; } // spawn: // @argv: an argv array // // Runs @argv in the background, handling any errors that occur // when trying to start the program. function spawn(argv) { try { trySpawn(argv); } catch (err) { _handleSpawnError(argv[0], err); } } // spawnCommandLine: // @command_line: a command line // // Runs @command_line in the background, handling any errors that // occur when trying to parse or start the program. function spawnCommandLine(command_line) { try { let [success, argv] = GLib.shell_parse_argv(command_line); trySpawn(argv); } catch (err) { _handleSpawnError(command_line, err); } } // spawnApp: // @argv: an argv array // // Runs @argv as if it was an application, handling startup notification function spawnApp(argv) { try { let app = Gio.AppInfo.create_from_commandline(argv.join(' '), null, Gio.AppInfoCreateFlags.SUPPORTS_STARTUP_NOTIFICATION); let context = global.create_app_launch_context(0, -1); app.launch([], context); } catch(err) { _handleSpawnError(argv[0], err); } } // trySpawn: // @argv: an argv array // // Runs @argv in the background. If launching @argv fails, // this will throw an error. function trySpawn(argv) { var success, pid; try { [success, pid] = GLib.spawn_async(null, argv, null, GLib.SpawnFlags.SEARCH_PATH | GLib.SpawnFlags.DO_NOT_REAP_CHILD, null); } catch (err) { /* Rewrite the error in case of ENOENT */ if (err.matches(GLib.SpawnError, GLib.SpawnError.NOENT)) { throw new GLib.SpawnError({ code: GLib.SpawnError.NOENT, message: _("Command not found") }); } else if (err instanceof GLib.Error) { // The exception from gjs contains an error string like: // Error invoking GLib.spawn_command_line_async: Failed to // execute child process "foo" (No such file or directory) // We are only interested in the part in the parentheses. (And // we can't pattern match the text, since it gets localized.) let message = err.message.replace(/.*\((.+)\)/, '$1'); throw new (err.constructor)({ code: err.code, message: message }); } else { throw err; } } // Dummy child watch; we don't want to double-fork internally // because then we lose the parent-child relationship, which // can break polkit. See https://bugzilla.redhat.com//show_bug.cgi?id=819275 GLib.child_watch_add(GLib.PRIORITY_DEFAULT, pid, function () {}); } // trySpawnCommandLine: // @command_line: a command line // // Runs @command_line in the background. If launching @command_line // fails, this will throw an error. function trySpawnCommandLine(command_line) { let success, argv; try { [success, argv] = GLib.shell_parse_argv(command_line); } catch (err) { // Replace "Error invoking GLib.shell_parse_argv: " with // something nicer err.message = err.message.replace(/[^:]*: /, _("Could not parse command:") + "\n"); throw err; } trySpawn(argv); } function _handleSpawnError(command, err) { let title = _("Execution of ā€œ%sā€ failed:").format(command); Main.notifyError(title, err.message); } // lowerBound: // @array: an array or array-like object, already sorted // according to @cmp // @val: the value to add // @cmp: a comparator (or undefined to compare as numbers) // // Returns the position of the first element that is not // lower than @val, according to @cmp. // That is, returns the first position at which it // is possible to insert @val without violating the // order. // This is quite like an ordinary binary search, except // that it doesn't stop at first element comparing equal. function lowerBound(array, val, cmp) { let min, max, mid, v; cmp = cmp || function(a, b) { return a - b; }; if (array.length == 0) return 0; min = 0; max = array.length; while (min < (max - 1)) { mid = Math.floor((min + max) / 2); v = cmp(array[mid], val); if (v < 0) min = mid + 1; else max = mid; } return (min == max || cmp(array[min], val) < 0) ? max : min; } // insertSorted: // @array: an array sorted according to @cmp // @val: a value to insert // @cmp: the sorting function // // Inserts @val into @array, preserving the // sorting invariants. // Returns the position at which it was inserted function insertSorted(array, val, cmp) { let pos = lowerBound(array, val, cmp); array.splice(pos, 0, val); return pos; } const CloseButton = new Lang.Class({ Name: 'CloseButton', Extends: St.Button, _init: function(boxpointer) { this.parent({ style_class: 'notification-close'}); // This is a bit tricky. St.Bin has its own x-align/y-align properties // that compete with Clutter's properties. This should be fixed for // Clutter 2.0. Since St.Bin doesn't define its own setters, the // setters are a workaround to get Clutter's version. this.set_x_align(Clutter.ActorAlign.END); this.set_y_align(Clutter.ActorAlign.START); // XXX Clutter 2.0 workaround: ClutterBinLayout needs expand // to respect the alignments. this.set_x_expand(true); this.set_y_expand(true); this._boxPointer = boxpointer; if (boxpointer) this._boxPointer.connect('arrow-side-changed', Lang.bind(this, this._sync)); }, _computeBoxPointerOffset: function() { if (!this._boxPointer || !this._boxPointer.actor.get_stage()) return 0; let side = this._boxPointer.arrowSide; if (side == St.Side.TOP) return this._boxPointer.getArrowHeight(); else return 0; }, _sync: function() { let themeNode = this.get_theme_node(); let offY = this._computeBoxPointerOffset(); this.translation_x = themeNode.get_length('-shell-close-overlap-x') this.translation_y = themeNode.get_length('-shell-close-overlap-y') + offY; }, vfunc_style_changed: function() { this._sync(); this.parent(); }, }); function makeCloseButton(boxpointer) { return new CloseButton(boxpointer); } function ensureActorVisibleInScrollView(scrollView, actor) { let adjustment = scrollView.vscroll.adjustment; let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values(); let offset = 0; let vfade = scrollView.get_effect("fade"); if (vfade) offset = vfade.vfade_offset; let box = actor.get_allocation_box(); let y1 = box.y1, y2 = box.y2; let parent = actor.get_parent(); while (parent != scrollView) { if (!parent) throw new Error("actor not in scroll view"); let box = parent.get_allocation_box(); y1 += box.y1; y2 += box.y1; parent = parent.get_parent(); } if (y1 < value + offset) value = Math.max(0, y1 - offset); else if (y2 > value + pageSize - offset) value = Math.min(upper, y2 + offset - pageSize); else return; Tweener.addTween(adjustment, { value: value, time: SCROLL_TIME, transition: 'easeOutQuad' }); }