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odoo.define('web.Loading', function (require) {
"use strict";
/**
* Loading Indicator
*
* When the user performs an action, it is good to give him some feedback that
* something is currently happening. The purpose of the Loading Indicator is to
* display a small rectangle on the bottom right of the screen with just the
* text 'Loading' and the number of currently running rpcs.
*
* After a delay of 3s, if a rpc is still not completed, we also block the UI.
*/
var config = require('web.config');
var core = require('web.core');
var framework = require('web.framework');
var Widget = require('web.Widget');
var _t = core._t;
var Loading = Widget.extend({
template: "Loading",
init: function(parent) {
this._super(parent);
this.count = 0;
this.blocked_ui = false;
},
start: function() {
core.bus.on('rpc_request', this, this.request_call);
core.bus.on("rpc_response", this, this.response_call);
core.bus.on("rpc_response_failed", this, this.response_call);
},
destroy: function() {
this.on_rpc_event(-this.count);
this._super();
},
request_call: function() {
this.on_rpc_event(1);
},
response_call: function() {
this.on_rpc_event(-1);
},
on_rpc_event : function(increment) {
var self = this;
if (!this.count && increment === 1) {
// Block UI after 3s
this.long_running_timer = setTimeout(function () {
self.blocked_ui = true;
framework.blockUI();
}, 3000);
}
this.count += increment;
if (this.count > 0) {
if (config.isDebug()) {
this.$el.text(_.str.sprintf( _t("Loading (%d)"), this.count));
} else {
this.$el.text(_t("Loading"));
}
this.$el.show();
this.getParent().$el.addClass('oe_wait');
} else {
this.count = 0;
clearTimeout(this.long_running_timer);
// Don't unblock if blocked by somebody else
if (self.blocked_ui) {
this.blocked_ui = false;
framework.unblockUI();
}
this.$el.fadeOut();
this.getParent().$el.removeClass('oe_wait');
}
}
});
return Loading;
});
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