127 lines
2.7 KiB
JavaScript
127 lines
2.7 KiB
JavaScript
/*
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Usage
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// Send an notification
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mediator.emit('notification:send',{
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title: 'Woop',
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body: 'Woop woop',
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icon: 'gfx/icon.png'
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});
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// Turn notifications on
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mediator.emit('notification:on');
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// Turn notifications off
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mediator.emit('notification:off');
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*/
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define(['mediator','window','settings'], function (mediator, win, settings) {
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var enabled = true,
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native_supported = false,
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new_title,
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original_title,
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blink_timer,
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interval,
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last,
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now = function () {
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return performance.now() || Date.now();
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},
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on = function () {
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enabled = true;
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},
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off = function () {
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enabled = false;
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},
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resetState = function() {
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clearTimeout(blink_timer);
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if (original_title !== undefined) win.setTitle(original_title);
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original_title = undefined;
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new_title = undefined;
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window_active = true;
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},
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doBlink = function() {
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if(enabled) {
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if( win.getTitle() == original_title )
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win.setTitle( new_title );
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else
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win.setTitle( original_title);
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blink_timer = setTimeout(doBlink,interval);
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} else {
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resetState();
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}
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},
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enableNative = function() {
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if( native_supported && Notification.permission !== 'denied' ) {
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Notification.requestPermission(function (status) {
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Notification.permission = status;
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});
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}
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},
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blinkTitleUntilFocus = function(t,i) {
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interval = (i == undefined) ? 1000 : i;
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if ( enabled && original_title === undefined ) {
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new_title = t;
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original_title = win.getTitle();
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doBlink();
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}
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},
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notify = function(title,body,icon,fallback) {
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// Only notify while in background, and if sufficient time has passed
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if( enabled && (now() - last) > settings.notifications.maxOnePerMs ) {
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// Set default value for fallback parameter
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if ( fallback === undefined) fallback = false;
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if ( native_supported && Notification.permission === "granted") {
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// Create notification
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var n = new Notification(title, {body: body, icon:icon});
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// Handle on show event
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n.onshow = function () {
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// Automatically close the notification after 5000ms
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setTimeout(function(){n.close();},3000);
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}
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last = now();
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} else if ( fallback ) {
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blinkTitleUntilFocus("Attention",1000);
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}
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}
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};
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native_supported = (window.Notification !== undefined);
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mediator.on('notification:send',function(data) { notify(data.title,data.body,data.icon,true); });
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mediator.on('notification:on',function() { on(); });
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mediator.on('notification:off',function() { off(); });
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// Always enable native notifications
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enableNative();
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// Start with notifications disabled
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off();
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// If this is undefined, notifications will fail to show
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last = now();
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// Make sure we are at square one
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resetState();
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}); |