veil.js
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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
ONOS GUI -- Layer -- Veil Service
Provides a mechanism to display an overlaying div with information.
Used mainly for web socket connection interruption.
*/
(function () {
'use strict';
// injected references
var $log, $route, fs, ks;
var veil, pdiv, svg;
// msg should be an array of strings
function show(msg) {
var msgs = fs.isA(msg) || [msg];
pdiv.selectAll('p').remove();
msgs.forEach(function (line) {
pdiv.append('p').text(line);
});
veil.style('display', 'block');
ks.enableKeys(false);
}
function hide() {
veil.style('display', 'none');
ks.enableKeys(true);
}
// function that only invokes the veil if the caller is the current view
function lostServer(ctrlName, msg) {
if ($route.current.$$route.controller === ctrlName) {
$log.debug('VEIL-service: ', ctrlName);
show(msg)
} else {
$log.debug('VEIL-service: IGNORING ', ctrlName);
}
}
angular.module('onosLayer')
.factory('VeilService',
['$log', '$route', 'FnService', 'KeyService', 'GlyphService',
function (_$log_, _$route_, _fs_, _ks_, gs) {
$log = _$log_;
$route = _$route_;
fs = _fs_;
ks = _ks_;
var wSize = fs.windowSize(),
ww = wSize.width,
wh = wSize.height,
vbox = '0 0 ' + ww + ' ' + wh,
shrink = wh * 0.3,
birdDim = wh - shrink,
birdCenter = (ww - birdDim) / 2;
veil = d3.select('#veil');
pdiv = veil.append('div').classed('msg', true);
svg = veil.append('svg').attr({
width: ww,
height: wh,
viewBox: vbox
}).style('opacity', 0.2);
gs.addGlyph(svg, 'bird', birdDim, false, [birdCenter, shrink/2]);
return {
show: show,
hide: hide,
lostServer: lostServer
};
}]);
}());