I have created Chrome extension and use pusher to receive some data from server.
When I test it show multiple duplicate data because it follow tabs that I opened.
anyone understand me.Help me please.Thank you in advance.
Content.js
Pusher.Util.getLocalStorage = function()
{
return undefined;
}
Pusher.ScriptRequest.prototype.send = function(receiver) {
var xhr = new XMLHttpRequest();
xhr.open("GET", this.src, true);
xhr.send();
}
document.addEventListener('DOMContentLoaded', function () {
if (Notification.permission !== "granted")
Notification.requestPermission();
});
var pusher = new Pusher('xxxxxxxxxxxxxxxxxxxxx');
var notificationsChannel = pusher.subscribe('notifications');
notificationsChannel.bind('new_notification', function(notification){
// assign the notification's message to a <div></div>
var message = notification.message;
if (!Notification) {
alert('Desktop notifications not available in your browser. Try Chromium.');
return;
}
if (Notification.permission !== "granted")
Notification.requestPermission();
else {
console.log(message);
var notification = new Notification('แจ้งเตือน', {
icon: 'img/LOGO.png',
body: message,
});
notification.onclick = function () {
location.reload();
};
}
});
duplicate notification
Related
The code was changed to this code after using the on-updated event several times.OnHistoryStateUpdated is exactly what condition?
background.js
chrome.webNavigation.onHistoryStateUpdated.addListener(function (details) {
var domain = details.url;
var google = 'https://www.google.co.kr/';
var xhr = new XMLHttpRequest();
xhr.onload = function () {
if (xhr.status === 200 || xhr.status === 201) {
console.log(xhr.responseText);
} else {
console.error(xhr.responseText);
}
};
xhr.open('POST', 'http://soylatte.kr:3000/image/check');
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send('url=' + domain);
})
I would like to do tab capture by postmessage in chrome.
Below is the code that I have created.
The message will be sent by the content script.
Once the message is received, it will try to capture the current tab.
chrome.runtime.onConnect.addListener(function(port){
port.onMessage.addListener(function(message,sender){
chrome.tabs.query({"active": true, "currentWindow": true}, function(tab) {
chrome.tabCapture.capture(captureOptions,
function(stream) {
mediaRecorder = new MediaRecorder(stream, options);
if (stream && message.status == 'started') {
var options = {mimeType: "video/webm"};
mediaRecorder.start();
mediaRecorder.ondataavailable = function(event) {
if (event.data.size > 0) {
recordedChunks.push(event.data);
var blob = new Blob(recordedChunks, {
type: 'video/mp4'
});
var url = URL.createObjectURL(blob);
var a = document.createElement('a');
document.body.appendChild(a);
a.style = 'display: none';
a.href = url;
a.download = 'test.webm';
a.click();
window.URL.revokeObjectURL(url);
stream.getVideoTracks()[0].stop();
}
}
}else if(message.status = "stopped"){
mediaRecorder.stop();
}
}
);
});
});
});
With the code above I am getting the Error
Unchecked runtime.lastError while running tabCapture.capture: Extension has not been invoked for the current page (see activeTab permission). Chrome pages cannot be captured.
at Object.callback (chrome-extension://haogilhkbanjpnkjbdgnefdgllfhldci/background.js:32:31)
Is there a way to bypass this?
Gcm push notification message is sending properly to endpoints when browser is open :Notification messages which are in json file.
serviceWorker.js
'use strict';
self.addEventListener('install', function(event) {
self.skipWaiting();
console.log('Installed', event);
});
self.addEventListener('activate', function(event) {
console.log('Activated', event);
});
self.addEventListener('push', function(event) {
console.log('Started', self);
self.addEventListener('install', function(event) {
self.skipWaiting();
});
self.addEventListener('activate', function(event) {
console.log('Activated', event);
});
self.addEventListener('push', function(event) {
var url = "http://localhost/pntest/gmpush1.json?param="+Math.random();
event.waitUntil(
fetch(url).then(function(response) {
if (response.status !== 200) {
console.log('Problem. Status Code: ' + response.status);
throw new Error();
}
// Examine the text in the response
return response.json().then(function(data) {
if (data.error || !data.notification) {
console.error('The API returned an error.', data.error);
throw new Error();
}
var promises = [];
for(var i=0; data.notification && i < data.notification.length; i++) {
promises.push(self.registration.showNotification(data.notification[i].title, {
body: data.notification[i].body,
'renotify': true,
icon: data.notification[i].icon
//tag: notification.tag
}));
}
return Promise.all( promises );
});
})
);
});
self.addEventListener('notificationclick', function(event) {
console.log('Notification click: tag ', event.notification.tag);
event.notification.close();
var newurl = event.notification.data.newurl;
console.log(newurl.updatedurl);
var url = newurl.updatedurl;
event.waitUntil(
clients.matchAll({
type: 'window'
})
.then(function(windowClients) {
console.log(url);
for (var i = 0; i < windowClients.length; i++) {
var client = windowClients[i];
if (client.url === url && 'focus' in client) {
return client.focus();
}
}
if (clients.openWindow) {
return clients.openWindow(url);
}
})
);
});
});
gcmpush1.json
{"notification": [{"body": "Test data", "url": "https://www.google.com/", "icon": "http://www.wired.com/wp-content/uploads/2015/09/google-logo-1200x630.jpg", "title": "Test Notification"}]}
When browser is open, It's showing original message
Test Notification
If client browser is in offline(not opened) while my curl trigger. When reopening the client browser i suppose to get original message but what i'm getting is
site has been updated in the background
In my curl call, I have used 'time_to_live' = 2419200.
Whenever notification failed to load data to show on chrome notification window and 'PUSH' event generate successfully. It will show "site has been updated in the background". (Nothing to do with notification delivery from Curl. it may be fine)
Couple of observations from you service worker code:
1). You are using localhost path to fetch data, will create problem to load notification data while localhost will be offline.
var url = "http://localhost/pntest/gmpush1.json?param="+Math.random();
2). You are using two 'PUSH' event code in your SW. can wrap work in one function.
self.addEventListener('push', function(event) {...
You can refer below URL for creating simple service worker to get dynamic data for push notification.
https://developers.google.com/web/updates/2015/03/push-notifications-on-the-open-web?hl=en
what I'm trying to do is to show the Google Picker in my Google Web app. I already tried many ways to accomplish that, but nothing works.
At the moment my code looks like this:
WebApp.html
<!-- rest of the code -->
<button type="button" id="pick">Pick File</button>
</div>
<script>
function initPicker() {
var picker = new FilePicker({
apiKey: "####################",
clientId: "##########-##########################",
buttonEl: document.getElementById('pick'),
onSelect: function(file) {
alert('Selected ' + file.title);
} // onSelect
}); // var picker
} // function initPicker()
</script>
<!-- rest of the code -->
WebAppJS.html
/* rest of the code */
var FilePicker = window.FilePicker = function(options) {
this.apiKey = options.apiKey;
this.clientId = options.clientId;
this.buttonEl = options.buttonEl;
this.onSelect = options.onSelect;
this.buttonEl.addEventListener('click', this.open.bind(this));
this.buttonEl.disabled = true;
gapi.client.setApiKey(this.apiKey);
gapi.client.load('drive', 'v2', this._driveApiLoaded.bind(this));
google.load('picker', '1', { callback: this._pickerApiLoaded.bind(this) });
}
FilePicker.prototype = {
open: function() {
var token = gapi.auth.getToken();
if (token) {
this._showPicker();
} else {
this._doAuth(false, function() { this._showPicker(); }.bind(this));
}
},
_showPicker: function() {
var accessToken = gapi.auth.getToken().access_token;
this.picker = new google.picker.PickerBuilder().
addView(google.picker.ViewId.DOCUMENTS).
setAppId(this.clientId).
setOAuthToken(accessToken).
setCallback(this._pickerCallback.bind(this)).
build().
setVisible(true);
},
_pickerCallback: function(data) {
if (data[google.picker.Response.ACTION] == google.picker.Action.PICKED) {
var file = data[google.picker.Response.DOCUMENTS][0],
id = file[google.picker.Document.ID],
request = gapi.client.drive.files.get({ fileId: id });
request.execute(this._fileGetCallback.bind(this));
}
},
_fileGetCallback: function(file) {
if (this.onSelect) {
this.onSelect(file);
}
},
_pickerApiLoaded: function() {
this.buttonEl.disabled = false;
},
_driveApiLoaded: function() {
this._doAuth(true);
},
_doAuth: function(immediate1, callback) {
gapi.auth.authorize({
client_id: this.clientId + '.apps.googleusercontent.com',
scope: 'https://www.googleapis.com/auth/drive.readonly',
immediate: immediate1
}, callback);
}
}; // FilePicker.prototype
/* rest of the code */
For now, what this code does is showing kind of a popup, but empty. Code is based on Daniel15's code.
What I already tried is:
relocating chunks of code, to server-side and client-side,
using htmlOutput, htmlTemplate - non of those works,
many other things, that i can't exactly remember.
What I would like to get is answer to the question: Why this code doesn't show Google Picker.
Thanks in advance.
Try adding a call origin and developer key
_showPicker: function() {
var accessToken = gapi.auth.getToken().access_token;
this.picker = new google.picker.PickerBuilder()
.addView(google.picker.ViewId.DOCUMENTS)
.setAppId(this.clientId)
.setOAuthToken(accessToken)
.setCallback(this._pickerCallback.bind(this))
.setOrigin('https://script.google.com') //
.setDeveloperKey(BROWSERKEYCREATEDINAPICONSOLE) //
.build()
.setVisible(true);
},
I have a no of images on page and trying to save it inside IndexDb if it does not exist.
All seems to be working fine and images load up instantly if it exist but looks like browser memory is leaking. It's give some jerk and hang sometime. I m not sure how this can be handle, I have written a directive that looks like this
(function () {
'use strict';
// TODO: replace app with your module name
angular.module('app').directive('imageLocal', imageLocal);
imageLocal.$inject = ['$timeout', '$window', 'config', 'indexDb'];
function imageLocal($timeout, $window, config, indexDb) {
// Usage:
//
// Creates:
//
var directive = {
link: link,
restrict: 'A'
};
return directive;
function link(scope, element, attrs) {
var imageId = attrs.imageLocal;
// Open a transaction to the database
var transaction;
$timeout(function () {
transaction = indexDb.db.transaction(["mystore"], "readwrite");
getImage();
}, 500);
function getImage() {
transaction.objectStore('mystore').get(imageId)
.onsuccess = function (event) {
var imgFile = event.target.result;
if (imgFile == undefined) {
saveToDb(imgFile);
return false;
}
showImage(imgFile);
}
}
function showImage(imgFile) {
console.log('getting');
// Get window.URL object
var url = $window.URL || $window.webkitURL;
// Create and revoke ObjectURL
var imageUrl = url.createObjectURL(imgFile);
element.css({
'background-image': 'url("' + imageUrl + '")',
'background-size': 'cover'
});
}
function saveToDb() {
// Create XHR
var xhr = new XMLHttpRequest(),
blob;
xhr.open("GET", config.remoteServiceName + '/image/' + imageId, true);
// Set the responseType to blob
xhr.responseType = "blob";
xhr.addEventListener("load", function () {
if (xhr.status === 200) {
console.log("Image retrieved");
// Blob as response
blob = xhr.response;
console.log("Blob:" + blob);
// Put the received blob into IndexedDB
putInDb(blob);
}
}, false);
// Send XHR
xhr.send();
function putInDb(blob) {
// Open a transaction to the database
transaction = indexDb.db.transaction(["mystore"], "readwrite");
// Put the blob into the database
var request = transaction.objectStore("mystore").add(blob, imageId);
getImage();
request.onsuccess = function (event) {
console.log('saved');
}
};
}
}
}
})();