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