// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Gdk = imports.gi.Gdk; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const Gtk = imports.gi.Gtk; const Lang = imports.lang; const Shell = imports.gi.Shell; const Signals = imports.signals; const St = imports.gi.St; const Lightbox = imports.ui.lightbox; const Main = imports.ui.main; const Tweener = imports.ui.tweener; const ScreenshotIface = <interface name="org.gnome.Shell.Screenshot"> <method name="ScreenshotArea"> <arg type="i" direction="in" name="x"/> <arg type="i" direction="in" name="y"/> <arg type="i" direction="in" name="width"/> <arg type="i" direction="in" name="height"/> <arg type="b" direction="in" name="flash"/> <arg type="s" direction="in" name="filename"/> <arg type="b" direction="out" name="success"/> <arg type="s" direction="out" name="filename_used"/> </method> <method name="ScreenshotWindow"> <arg type="b" direction="in" name="include_frame"/> <arg type="b" direction="in" name="include_cursor"/> <arg type="b" direction="in" name="flash"/> <arg type="s" direction="in" name="filename"/> <arg type="b" direction="out" name="success"/> <arg type="s" direction="out" name="filename_used"/> </method> <method name="Screenshot"> <arg type="b" direction="in" name="include_cursor"/> <arg type="b" direction="in" name="flash"/> <arg type="s" direction="in" name="filename"/> <arg type="b" direction="out" name="success"/> <arg type="s" direction="out" name="filename_used"/> </method> <method name="SelectArea"> <arg type="i" direction="out" name="x"/> <arg type="i" direction="out" name="y"/> <arg type="i" direction="out" name="width"/> <arg type="i" direction="out" name="height"/> </method> <method name="FlashArea"> <arg type="i" direction="in" name="x"/> <arg type="i" direction="in" name="y"/> <arg type="i" direction="in" name="width"/> <arg type="i" direction="in" name="height"/> </method> </interface>; const ScreenshotService = new Lang.Class({ Name: 'ScreenshotService', _init: function() { this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(ScreenshotIface, this); this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell/Screenshot'); Gio.DBus.session.own_name('org.gnome.Shell.Screenshot', Gio.BusNameOwnerFlags.REPLACE, null, null); }, _onScreenshotComplete: function(obj, result, area, filenameUsed, flash, invocation) { if (flash && result) { let flashspot = new Flashspot(area); flashspot.fire(); } let retval = GLib.Variant.new('(bs)', [result, filenameUsed]); invocation.return_value(retval); }, ScreenshotAreaAsync : function (params, invocation) { let [x, y, width, height, flash, filename, callback] = params; if (height <= 0 || width <= 0) { invocation.return_error_literal(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED, "Invalid params"); return; } let screenshot = new Shell.Screenshot(); screenshot.screenshot_area (x, y, width, height, filename, Lang.bind(this, this._onScreenshotComplete, flash, invocation)); }, ScreenshotWindowAsync : function (params, invocation) { let [include_frame, include_cursor, flash, filename] = params; let screenshot = new Shell.Screenshot(); screenshot.screenshot_window (include_frame, include_cursor, filename, Lang.bind(this, this._onScreenshotComplete, flash, invocation)); }, ScreenshotAsync : function (params, invocation) { let [include_cursor, flash, filename] = params; let screenshot = new Shell.Screenshot(); screenshot.screenshot(include_cursor, filename, Lang.bind(this, this._onScreenshotComplete, flash, invocation)); }, SelectAreaAsync: function (params, invocation) { let selectArea = new SelectArea(); selectArea.show(); selectArea.connect('finished', Lang.bind(this, function(selectArea, areaRectangle) { if (areaRectangle) { let retval = GLib.Variant.new('(iiii)', [areaRectangle.x, areaRectangle.y, areaRectangle.width, areaRectangle.height]); invocation.return_value(retval); } else { invocation.return_error_literal(Gio.IOErrorEnum, Gio.IOErrorEnum.CANCELLED, "Operation was cancelled"); } })); }, FlashArea: function(x, y, width, height) { let flashspot = new Flashspot({ x : x, y : y, width: width, height: height}); flashspot.fire(); } }); const SelectArea = new Lang.Class({ Name: 'SelectArea', _init: function() { this._startX = -1; this._startY = -1; this._lastX = 0; this._lastY = 0; this._initRubberbandColors(); this._group = new St.Widget({ visible: false, reactive: true, x: 0, y: 0 }); Main.uiGroup.add_actor(this._group); this._group.connect('button-press-event', Lang.bind(this, this._onButtonPress)); this._group.connect('button-release-event', Lang.bind(this, this._onButtonRelease)); this._group.connect('key-press-event', Lang.bind(this, this._onKeyPress)); this._group.connect('motion-event', Lang.bind(this, this._onMotionEvent)); let constraint = new Clutter.BindConstraint({ source: global.stage, coordinate: Clutter.BindCoordinate.ALL }); this._group.add_constraint(constraint); this._rubberband = new Clutter.Rectangle({ color: this._background, has_border: true, border_width: 1, border_color: this._border }); this._group.add_actor(this._rubberband); }, show: function() { if (!Main.pushModal(this._group) || this._group.visible) return; global.set_cursor(Shell.Cursor.CROSSHAIR); this._group.visible = true; }, _initRubberbandColors: function() { function colorFromRGBA(rgba) { return new Clutter.Color({ red: rgba.red * 255, green: rgba.green * 255, blue: rgba.blue * 255, alpha: rgba.alpha * 255 }); } let path = new Gtk.WidgetPath(); path.append_type(Gtk.IconView); let context = new Gtk.StyleContext(); context.set_path(path); context.add_class('rubberband'); this._background = colorFromRGBA(context.get_background_color(Gtk.StateFlags.NORMAL)); this._border = colorFromRGBA(context.get_border_color(Gtk.StateFlags.NORMAL)); }, _getGeometry: function() { return { x: Math.min(this._startX, this._lastX), y: Math.min(this._startY, this._lastY), width: Math.abs(this._startX - this._lastX), height: Math.abs(this._startY - this._lastY) }; }, _onKeyPress: function(actor, event) { if (event.get_key_symbol() == Clutter.Escape) this._destroy(null, false); return; }, _onMotionEvent: function(actor, event) { if (this._startX == -1 || this._startY == -1) return false; [this._lastX, this._lastY] = event.get_coords(); let geometry = this._getGeometry(); this._rubberband.set_position(geometry.x, geometry.y); this._rubberband.set_size(geometry.width, geometry.height); return false; }, _onButtonPress: function(actor, event) { [this._startX, this._startY] = event.get_coords(); this._rubberband.set_position(this._startX, this._startY); return false; }, _onButtonRelease: function(actor, event) { this._destroy(this._getGeometry(), true); return false; }, _destroy: function(geometry, fade) { Tweener.addTween(this._group, { opacity: 0, time: fade ? 0.2 : 0, transition: 'easeOutQuad', onComplete: Lang.bind(this, function() { Main.popModal(this._group); this._group.destroy(); global.unset_cursor(); this.emit('finished', geometry); }) }); } }); Signals.addSignalMethods(SelectArea.prototype); const FLASHSPOT_ANIMATION_OUT_TIME = 0.5; // seconds const Flashspot = new Lang.Class({ Name: 'Flashspot', Extends: Lightbox.Lightbox, _init: function(area) { this.parent(Main.uiGroup, { inhibitEvents: true, width: area.width, height: area.height }); this.actor.style_class = 'flashspot'; this.actor.set_position(area.x, area.y); }, fire: function() { this.actor.show(); this.actor.opacity = 255; Tweener.addTween(this.actor, { opacity: 0, time: FLASHSPOT_ANIMATION_OUT_TIME, transition: 'easeOutQuad', onComplete: Lang.bind(this, function() { this.destroy(); }) }); } });