moodle/message/amd/build/message_area_messages.min.js

define(["jquery","core/ajax","core/templates","core/notification","core/custom_interaction_events","core/auto_rows","core_message/message_area_actions","core/modal_factory","core/modal_events","core/str","core_message/message_area_events","core/backoff_timer"],function(a,b,c,d,e,f,g,h,i,j,k,l){function m(a){this.messageArea=a,this._init()}var n=500,o=50,p={BLOCKTIME:"[data-region='blocktime']",CANCELDELETEMESSAGES:"[data-action='cancel-delete-messages']",CONTACT:"[data-region='contact']",CONVERSATIONS:"[data-region='contacts'][data-region-content='conversations']",DELETEALLMESSAGES:"[data-action='delete-all-messages']",DELETEMESSAGES:"[data-action='delete-messages']",LOADINGICON:".loading-icon",MESSAGE:"[data-region='message']",MESSAGERESPONSE:"[data-region='response']",MESSAGES:"[data-region='messages']",MESSAGESAREA:"[data-region='messages-area']",MESSAGINGAREA:"[data-region='messaging-area']",SENDMESSAGE:"[data-action='send-message']",SENDMESSAGETEXT:"[data-region='send-message-txt']",SHOWCONTACTS:"[data-action='show-contacts']",STARTDELETEMESSAGES:"[data-action='start-delete-messages']"},q=1e3;return m.prototype._isSendingMessage=!1,m.prototype._isLoadingMessages=!1,m.prototype._numMessagesDisplayed=0,m.prototype._messageQueue=[],m.prototype._numMessagesToRetrieve=20,m.prototype._confirmationModal=null,m.prototype._latestMessageTimestamp=0,m.prototype._backoffTimer=null,m.prototype.messageArea=null,m.prototype._init=function(){e.define(this.messageArea.node,[e.events.activate,e.events.up,e.events.down,e.events.enter]),a(window).height()<=670&&(n=400),f.init(this.messageArea.node),this.messageArea.onCustomEvent(k.CONVERSATIONSELECTED,this._viewMessages.bind(this)),this.messageArea.onCustomEvent(k.SENDMESSAGE,this._viewMessages.bind(this)),this.messageArea.onCustomEvent(k.CHOOSEMESSAGESTODELETE,this._chooseMessagesToDelete.bind(this)),this.messageArea.onCustomEvent(k.CANCELDELETEMESSAGES,this._hideDeleteAction.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.SENDMESSAGE,this._sendMessage.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.STARTDELETEMESSAGES,this._startDeleting.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.DELETEMESSAGES,this._deleteMessages.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.DELETEALLMESSAGES,this._deleteAllMessages.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.CANCELDELETEMESSAGES,this._triggerCancelMessagesToDelete.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.MESSAGE,this._toggleMessage.bind(this)),this.messageArea.onDelegateEvent(e.events.activate,p.SHOWCONTACTS,this._hideMessagingArea.bind(this)),this.messageArea.onDelegateEvent(e.events.up,p.MESSAGE,this._selectPreviousMessage.bind(this)),this.messageArea.onDelegateEvent(e.events.down,p.MESSAGE,this._selectNextMessage.bind(this)),this.messageArea.onDelegateEvent("focus",p.SENDMESSAGETEXT,this._setMessaging.bind(this)),this.messageArea.onDelegateEvent("blur",p.SENDMESSAGETEXT,this._clearMessaging.bind(this)),a(document).on(f.events.ROW_CHANGE,this._adjustMessagesAreaHeight.bind(this));var b=this.messageArea.find(p.MESSAGES);b.length&&(this._addScrollEventListener(b.find(p.MESSAGE).length),this._latestMessageTimestamp=b.find(p.MESSAGE+":last").data("timecreated")),this._backoffTimer=new l(this._loadNewMessages.bind(this),l.getIncrementalCallback(this.messageArea.pollmin*q,q,this.messageArea.pollmax*q,this.messageArea.polltimeout*q)),this._backoffTimer.start()},m.prototype._viewMessages=function(e,f){this._numMessagesDisplayed=0,this._backoffTimer.stop(),this._latestMessageTimestamp=0;var g=b.call([{methodname:"core_message_mark_all_messages_as_read",args:{useridto:this.messageArea.getCurrentUserId(),useridfrom:f}}]),h=0;return c.render("core/loading",{}).then(function(a,b){return c.replaceNodeContents(this.messageArea.find(p.MESSAGESAREA),a,b),g[0]}.bind(this)).then(function(){var b=this.messageArea.find(p.CONVERSATIONS+" "+p.CONTACT+"[data-userid='"+f+"']");return b.hasClass("unread")&&(b.removeClass("unread"),a(document).trigger("messagearea:conversationselected",f)),this._getMessages(f)}.bind(this)).then(function(a){return h=a.messages.length,c.render("core_message/message_area_messages_area",a)}).then(function(a,b){c.replaceNodeContents(this.messageArea.find(p.MESSAGESAREA),a,b),this._addScrollEventListener(h),this._backoffTimer.restart(),this.messageArea.find(p.SENDMESSAGETEXT).focus()}.bind(this)).fail(d.exception)},m.prototype._loadMessages=function(){if(this._isLoadingMessages)return!1;this._isLoadingMessages=!0;var b=0;return c.render("core/loading",{}).then(function(a,b){return c.prependNodeContents(this.messageArea.find(p.MESSAGES),"<div style='text-align:center'>"+a+"</div>",b),this._getMessages(this._getUserId())}.bind(this)).then(function(a){return b=a.messages.length,c.render("core_message/message_area_messages",a)}).then(function(d,e){if(this.messageArea.find(p.MESSAGES+" "+p.LOADINGICON).remove(),b>0){var f=a("<div>"+d+"</div>");this._hasMatchingBlockTime(this.messageArea.node,f,!0)&&this.messageArea.node.find(p.BLOCKTIME+":first").remove();var g=this.messageArea.find(p.MESSAGES)[0].scrollHeight;c.prependNodeContents(this.messageArea.find(p.MESSAGES),d,e);var h=this.messageArea.find(p.MESSAGES)[0].scrollHeight;this.messageArea.find(p.MESSAGES).scrollTop(h-g),this._numMessagesDisplayed+=b}this._isLoadingMessages=!1}.bind(this)).fail(d.exception)},m.prototype._loadNewMessages=function(){if(this._isLoadingMessages)return!1;if(!this._getUserId())return!1;this._isLoadingMessages=!0;var a=!1,b=this.messageArea.find(p.MESSAGES);if(0!==b.length){var c=b.scrollTop(),e=b.innerHeight(),f=b[0].scrollHeight;c+e>=f&&(a=!0)}return this._getMessages(this._getUserId(),!0).then(function(b){return this._addMessagesToDom(b.messages,a)}.bind(this)).always(function(){this._isLoadingMessages=!1}.bind(this)).fail(d.exception)},m.prototype._getMessages=function(a,c){var e={currentuserid:this.messageArea.getCurrentUserId(),otheruserid:a,limitfrom:this._numMessagesDisplayed,limitnum:this._numMessagesToRetrieve,newest:!0};c&&(e.timefrom=this._latestMessageTimestamp,e.limitfrom=0,e.limitnum=0);var f=b.call([{methodname:"core_message_data_for_messagearea_messages",args:e}]);return f[0].then(function(a){var b=a.messages;if(b&&b.length){var c=b[b.length-1];c.timecreated>this._latestMessageTimestamp&&(this._latestMessageTimestamp=c.timecreated+1)}return a}.bind(this)).fail(function(a){this._backoffTimer.stop(),d.exception(a)}.bind(this))},m.prototype._sendMessage=function(){var a=this.messageArea.find(p.SENDMESSAGETEXT),c=a.val().trim();if(""===c)return!1;if(this._isSendingMessage)return!1;this._isSendingMessage=!0;var e=b.call([{methodname:"core_message_send_instant_messages",args:{messages:[{touserid:this._getUserId(),text:c}]}}]);return a.prop("disabled",!0),e[0].then(function(a){if(a.length<0)throw new Error("Invalid response");if(a[0].errormessage)throw new Error(a[0].errormessage);return this.messageArea.trigger(k.MESSAGESENT,[this._getUserId(),c]),this._addLastMessageToDom()}.bind(this)).then(function(){this._isSendingMessage=!1}.bind(this)).always(function(){a.prop("disabled",!1),a.focus()}).fail(d.exception)},m.prototype._chooseMessagesToDelete=function(){this.messageArea.find(p.MESSAGESAREA).addClass("editing"),this.messageArea.find(p.MESSAGE).attr("role","checkbox").attr("aria-checked","false")},m.prototype._deleteMessages=function(){var c=this.messageArea.getCurrentUserId(),e=this.messageArea.find(p.MESSAGE+"[aria-checked='true']"),f=[],g=[];e.each(function(b,d){var e=a(d),h=e.data("messageid"),i=e.data("messageread")?1:0;g.push(e),f.push({methodname:"core_message_delete_message",args:{messageid:h,userid:c,read:i}})}),f.length>0?a.when(b.call(f)).then(function(){var b=null,c=this.messageArea.find(p.MESSAGE),d=c.last(),e=g[g.length-1];a.each(g,function(a,b){b.remove()}),d.data("id")===e.data("id")&&(b=this.messageArea.find(p.MESSAGE).last()),a.each(g,function(a,b){var c=b.data("blocktime");0===this.messageArea.find(p.MESSAGE+"[data-blocktime='"+c+"']").length&&this.messageArea.find(p.BLOCKTIME+"[data-blocktime='"+c+"']").remove()}.bind(this)),0===this.messageArea.find(p.MESSAGE).length&&this.messageArea.find(p.CONVERSATIONS+" "+p.CONTACT+"[data-userid='"+this._getUserId()+"']").remove(),this.messageArea.trigger(k.MESSAGESDELETED,[this._getUserId(),b])}.bind(this))["catch"](d.exception):this.messageArea.trigger(k.MESSAGESDELETED,this._getUserId()),this._hideDeleteAction()},m.prototype._addScrollEventListener=function(a){this._scrollBottom(),this._numMessagesDisplayed=a,e.define(this.messageArea.find(p.MESSAGES),[e.events.scrollTop]),this.messageArea.onCustomEvent(e.events.scrollTop,this._loadMessages.bind(this))},m.prototype._deleteAllMessages=function(){if(this._confirmationModal)return void this._confirmationModal.show();var c=j.get_strings([{key:"confirm"},{key:"deleteallconfirm",component:"message"},{key:"delete"}]),e=h.create({type:h.types.SAVE_CANCEL},this.messageArea.find(p.DELETEALLMESSAGES));a.when(c,e).then(function(a,c){c.setTitle(a[0]),c.setBody(a[1]),c.setSaveButtonText(a[2]),this._confirmationModal=c,c.getRoot().on(i.save,function(){var a=this._getUserId(),c={methodname:"core_message_delete_conversation",args:{userid:this.messageArea.getCurrentUserId(),otheruserid:a}};b.call([c])[0].then(function(){this.messageArea.find(p.MESSAGESAREA).empty(),this.messageArea.trigger(k.CONVERSATIONDELETED,a),this._hideDeleteAction()}.bind(this))["catch"](d.exception)}.bind(this)),c.show()}.bind(this))["catch"](d.exception)},m.prototype._hideDeleteAction=function(){this.messageArea.find(p.MESSAGE).removeAttr("role").removeAttr("aria-checked"),this.messageArea.find(p.MESSAGESAREA).removeClass("editing")},m.prototype._triggerCancelMessagesToDelete=function(){this.messageArea.trigger(k.CANCELDELETEMESSAGES)},m.prototype._addMessagesToDom=function(b,d){var e=0,f=this.messageArea.find(p.MESSAGES);return b=b.filter(function(a){var b=""+a.id+a.isread;if(this._messageQueue[b])return!1;var c=f.find(p.MESSAGE+'[data-id="'+b+'"]');return c.length||(this._messageQueue[b]=!0),!c.length}.bind(this)),e=b.length,c.render("core_message/message_area_messages",{messages:b}).then(function(b,f){if(e>0){var g=a("<div>"+b+"</div>");this._hasMatchingBlockTime(this.messageArea.node,g,!1)&&g.find(p.BLOCKTIME+":first").remove(),c.appendNodeContents(this.messageArea.find(p.MESSAGES),g,f),d&&this._scrollBottom(),this._numMessagesDisplayed+=e,this._backoffTimer.restart()}}.bind(this))},m.prototype._addLastMessageToDom=function(){var a=b.call([{methodname:"core_message_data_for_messagearea_get_most_recent_message",args:{currentuserid:this.messageArea.getCurrentUserId(),otheruserid:this._getUserId()}}]);return a[0].then(function(a){return this._addMessagesToDom([a],!0)}.bind(this)).always(function(){this.messageArea.find(p.SENDMESSAGETEXT).val("").trigger("input")}.bind(this)).fail(d.exception)},m.prototype._getUserId=function(){return this.messageArea.find(p.MESSAGES).data("userid")},m.prototype._scrollBottom=function(){var a=this.messageArea.find(p.MESSAGES);0!==a.length&&a.scrollTop(a[0].scrollHeight)},m.prototype._selectPreviousMessage=function(b,c){var d=a(b.target).closest(p.MESSAGE);do d=d.prev();while(d.length&&!d.is(p.MESSAGE));d.focus(),c.originalEvent.preventDefault(),c.originalEvent.stopPropagation()},m.prototype._selectNextMessage=function(b,c){var d=a(b.target).closest(p.MESSAGE);do d=d.next();while(d.length&&!d.is(p.MESSAGE));d.focus(),c.originalEvent.preventDefault(),c.originalEvent.stopPropagation()},m.prototype._setMessaging=function(b){a(b.target).closest(p.MESSAGERESPONSE).addClass("messaging")},m.prototype._clearMessaging=function(b){a(b.target).closest(p.MESSAGERESPONSE).removeClass("messaging")},m.prototype._startDeleting=function(a){var b=new g(this.messageArea);b.chooseMessagesToDelete(),a.preventDefault()},m.prototype._isEditing=function(){return this.messageArea.find(p.MESSAGESAREA).hasClass("editing")},m.prototype._toggleMessage=function(b){if(this._isEditing()){var c=a(b.target).closest(p.MESSAGE);"true"===c.attr("aria-checked")?c.attr("aria-checked","false"):c.attr("aria-checked","true")}},m.prototype._adjustMessagesAreaHeight=function(){var a=this.messageArea.find(p.MESSAGES),b=this.messageArea.find(p.MESSAGERESPONSE),c=b.outerHeight(),d=c-o,e=n-d;a.outerHeight(e)},m.prototype._sendMessageHandler=function(a,b){b.originalEvent.preventDefault(),this._sendMessage()},m.prototype._hideMessagingArea=function(){this.messageArea.find(p.MESSAGINGAREA).removeClass("show-messages").addClass("hide-messages")},m.prototype._hasMatchingBlockTime=function(a,b,c){var d,e,f,g;return c?(e=":first",g=":last"):(e=":last",g=":first"),d=a.find(p.BLOCKTIME+e),f=b.find(p.BLOCKTIME+g),!(!d.length||!f.length)&&d.data("blocktime")==f.data("blocktime")},m});