def __init__(self, remi_app_instance, **kwargs):
"""
This class uses javascript code from cookie.js framework ( https://developer.mozilla.org/en-US/docs/Web/API/document.cookie )
/*\
|*|
|*| :: cookies.js ::
|*|
|*| A complete cookies reader/writer framework with full unicode support.
|*|
|*| Revision #2 - June 13th, 2017
|*|
|*| https://developer.mozilla.org/en-US/docs/Web/API/document.cookie
|*| https://developer.mozilla.org/User:fusionchess
|*| https://github.com/madmurphy/cookies.js
|*|
|*| This framework is released under the GNU Public License, version 3 or later.
|*| http://www.gnu.org/licenses/gpl-3.0-standalone.html
|*|
\*/
"""
super(CookieInterface, self).__init__(**kwargs)
self.eventManager = gui._EventManager(self)
self.app_instance = remi_app_instance
self.EVENT_ONCOOKIES = "on_cookies"
self.cookies = {}
def __init__(self, cookieInterface, session_timeout_seconds = 60, **kwargs):
super(LoginManager, self).__init__(**kwargs)
self.eventManager = gui._EventManager(self)
self.expired = True
self.session_uid = str(random.randint(1,999999999))
self.cookieInterface = cookieInterface
self.session_timeout_seconds = session_timeout_seconds
self.timer_request_cookies() #starts the cookie refresh
self.timeout_timer = None #checks the internal timeout
self.EVENT_ONSESSIONEXPIRED = "on_session_expired"
def __init__(self, **kwargs):
super(GeolocationAPI, self).__init__(_type='script', **kwargs)
self.eventManager = gui._EventManager(self)
self.EVENT_ONCHANGE = 'onchange'
self.add_child("javascript", """
navigator.geolocation.getCurrentPosition(function(position) {
var lat = position.coords.latitude;
var lon = position.coords.longitude;
var params={};
params['latitude']=lat;
params['longitude']=lon;
sendCallbackParam('%(id)s','%(evt)s',params);
});
"""% {'id': self.identifier,'evt': self.EVENT_ONCHANGE})
def __init__(self, **kwargs):
super(AccelerometerAPI, self).__init__(_type='script', **kwargs)
self.eventManager = gui._EventManager(self)
self.EVENT_ONCHANGE = 'onchange'
self.add_child("javascript", """
window.ondevicemotion = function(event) {
var accelerationX = event.accelerationIncludingGravity.x;
var accelerationY = event.accelerationIncludingGravity.y;
var accelerationZ = event.accelerationIncludingGravity.z;
var params={};
params['accelerationX']=accelerationX;
params['accelerationY']=accelerationY;
params['accelerationZ']=accelerationZ;
sendCallbackParam('%(id)s','%(evt)s',params);
}
"""% {'id': self.identifier,'evt': self.EVENT_ONCHANGE})
def __init__(self, **kwargs):
super(OrientationAPI, self).__init__(_type='script', **kwargs)
self.eventManager = gui._EventManager(self)
self.EVENT_ONCHANGE = 'onchange'
self.add_child("javascript", """
if (window.DeviceOrientationEvent) {
window.addEventListener('deviceorientation', function(event) {
var gamma = event.gamma;
var beta = event.beta;
var alpha = event.alpha;
var params={};
params['gamma']=gamma;
params['beta']=beta;
params['alpha']=alpha;
sendCallbackParam('%(id)s','%(evt)s',params);
});
}
"""% {'id': self.identifier,'evt': self.EVENT_ONCHANGE})
def __init__(self, app_instance, width, height, **kwargs):
super(ImageGrabber, self).__init__(_type='script', **kwargs)
self.app = app_instance
self.eventManager = gui._EventManager(self)
self.EVENT_ONCHANGE = 'onchange'
self.EVENT_ONNEWVIDEODEVICE = 'onnewvideodevice'
self.add_child(
"javascript", """
var video = null;
var canvas = null;
var localMediaStream = null;
var mediaStreamTrack = null;
var flash_on = false;
function snapshot() {
if (localMediaStream) {
var ctx = canvas.getContext('2d');
ctx.drawImage(video, 0, 0);
canvas.toBlob(function(blob){
var xhr = new XMLHttpRequest();
var fd = new FormData();
xhr.open("POST", "/", true);
xhr.setRequestHeader('filename', "test");
xhr.setRequestHeader('listener', '%(id)s');
xhr.setRequestHeader('listener_function', '%(evt_foto)s');
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && xhr.status == 200) {
console.log('upload success: ');
}else if(xhr.status == 400){
console.log('upload failed: ');
}
};
fd.append('upload_file', blob);
xhr.send(fd);
/*
var reader = new FileReader();
reader.readAsDataURL(blob);
reader.onloadend = function() {
base64data = reader.result;
var params={};
params['img_data']=base64data.split(',')[1];
sendCallbackParam('%(id)s','new_blob',params);
}
*/
}, "image/png");
if(flash_on){
flashlight();
//flash_on=false;
}
}
}
function flashlight(){
mediaStreamTrack.applyConstraints({advanced: [{torch: true}]});
}
function get_available_videoinputs(){
//looking for available video input devices
navigator.mediaDevices.enumerateDevices().then(function(devices) {
// devices is an array of accessible audio and video inputs. deviceId is the property I used to switch cameras
for(var i = 0; i < devices.length; i++){
if( devices[i].kind == 'videoinput'){
var params={};params['device_id']=devices[i].deviceId;
params['device_kind']=devices[i].kind;
params['device_label']=devices[i].label;
sendCallbackParam('%(id)s','%(evt_videodevice)s',params);
}
}
});
}
function getUserMedia(constraints, successCallback, failureCallback) {
/*var api = navigator.getUserMedia || navigator.webkitGetUserMedia ||
navigator.mozGetUserMedia || navigator.msGetUserMedia;
if (api) {
return api.bind(navigator)(constraints, successCallback, failureCallback);
}*/
navigator.mediaDevices.getUserMedia(constraints).then(successCallback);
}
function startGrab(device_id, use_flash){
flash_on = use_flash;
try{
localMediaStream = null;
mediaStreamTrack.stop();
}catch(e){}
var constraints = {
video: {deviceId: {exact: device_id}, width: { ideal: %(width)s }, height: { ideal: %(height)s } }
};
getUserMedia(constraints
, function (stream) {
mediaStreamTrack = stream.getVideoTracks()[0];
//var imageCapture = new ImageCapture(mediaStreamTrack);
video = document.querySelector('video');
canvas = document.querySelector('canvas');
if (navigator.mozGetUserMedia) {
video.mozSrcObject = stream;
} else {
video.srcObject = stream;
video.src = (window.URL || window.webkitURL).createObjectURL(stream);
}
video.play();
localMediaStream = stream;
snapshot();
}, function (err) {
alert('Error: ' + err);
});
}
""" % {
'width': width,
'height': height,
'id': self.identifier,
'evt_foto': self.EVENT_ONCHANGE,
'evt_videodevice': self.EVENT_ONNEWVIDEODEVICE
}) # on new image available
def __init__(self, *args, **kvargs):
self.EVENT_ONNEWHALCONCODE = 'onnewhalconcode'
self.eventManager = gui._EventManager(self)
super(HalconMsgHandler, self).__init__(*args, **kvargs)