mimouchat/cli/uiMessage.js

/**
 * @constructor
 * @extends {RoomHistory}
 * @param {Room|string} room or roomId
 * @param {number} keepMessages number of messages to keep in memory
 * @param {Array|undefined} evts
 * @param {number|undefined} now
**/
function UiRoomHistory(room, keepMessages, evts, now) {
    RoomHistory.call(this, room, keepMessages, evts, now);
}
UiRoomHistory.prototype = Object.create(RoomHistory.prototype);
UiRoomHistory.prototype.constructor = UiRoomHistory;

UiRoomHistory.prototype.messageFactory = function(ev, ts) {
    if (ev["isMeMessage"] === true)
        return new UiMeMessage(this.id, ev, ts);
    if (ev["isNotice"] === true)
        return new UiNoticeMessage(this.id, ev, ts);
    return new UiMessage(this.id, ev, ts);
}

/** @interface */
function IUiMessage() {};

/**
 * @return {Element}
**/
IUiMessage.prototype.getDom = function() {};

/**
 * @return {IUiMessage}
**/
IUiMessage.prototype.removeDom = function() {};

/**
 * @return {IUiMessage}
**/
IUiMessage.prototype.invalidate = function() {};

/**
 * @return {IUiMessage}
**/
IUiMessage.prototype.createDom = function() {};

/**
 * @return {IUiMessage}
**/
IUiMessage.prototype.updateDom = function() {};

/**
 * @return {Element}
**/
IUiMessage.prototype.duplicateDom = function() {};

/** @const */
var AbstractUiMessage = (function() {
    var updateReactions = function(_this, channelId) {
        var reactionFrag = document.createDocumentFragment();

        if (_this.reactions) {
            for (var reaction in _this.reactions) {
                var reac = createReactionDom(channelId, _this.id, reaction, _this.reactions[reaction]);
                if (reac)
                    reactionFrag.appendChild(reac);
            }
        }
        _this.dom.reactions.textContent = '';
        _this.dom.reactions.appendChild(reactionFrag);
    },

    _linkFilter = function(msgContext, str) {
        var sep = str.indexOf('|')
            ,link
            ,text
            ,isInternal = false;

        if (sep === -1) {
            link = str;
        } else {
            link = str.substr(0, sep);
            text = str.substr(sep +1);
        }
        if (link[0] === '@') {
            //FIXME pointer back from message to team to prepend team id to remote userId
            var newLink = msgContext.context.getId() +'|' +link.substr(1)
                ,user = DATA.context.getUser(newLink);

            if (user) {
                isInternal = true;
                link = newLink;
                text = '@' +user.name;
            } else {
                return null;
            }
        } else if (link[0] === '#') {
            var newLink = msgContext.context.getId() +'|' +link.substr(1)
                ,chan = DATA.context.getChannel(newLink);

            if (chan) {
                isInternal = true;
                link = newLink;
                text = '#' +chan.name;
            } else {
                return null;
            }
        } else {
            isInternal = false;
            // TODO check javascript:// injections
        }
        return {
            link: link,
            text: text || link,
            isInternal: isInternal
        };
    },

    _formatText = function(_this, text) {
        return formatText(text, {
            highlights: _this.context.self.prefs.highlights,
            emojiFormatFunction: function(emoji) {
                if (emoji[0] === ':' && emoji[emoji.length -1] === ':')
                    emoji = emoji.substr(1, emoji.length -2);
                var emojiDom = makeEmojiDom(emoji);
                if (emojiDom) {
                    var domParent = document.createElement("span");
                    domParent.className = R.klass.emoji.small;
                    domParent.appendChild(emojiDom);
                    return domParent.outerHTML;
                }
                return null;
            },
            linkFilter: function(link) {
                return _linkFilter(_this, link);
            }
        });
    },

    updateAttachments = function(_this, channelId) {
        var attachmentFrag = document.createDocumentFragment();

        for (var i =0, nbAttachments = _this.attachments.length; i < nbAttachments; i++) {
            var attachment = _this.attachments[i];
            if (attachment) {
                var domAttachment = createAttachmentDom(channelId, _this, attachment, i);
                if (domAttachment)
                    attachmentFrag.appendChild(domAttachment);
            }
        }
        _this.dom.attachments.textContent = '';
        _this.dom.attachments.appendChild(attachmentFrag);
    },

    updateCommon = function(_this, sender) {
        _this.dom.ts.innerHTML = locale.formatDate(_this.ts);
        _this.dom.textDom.innerHTML = _formatText(_this, _this.text);
        _this.dom.authorName.textContent = sender ? sender.name : (_this.username || "?");
    };

    return {
        /** @type {Element|null} *
        dom: null,

        /** @type {boolean} *
        uiNeedRefresh: true,
        */

        /** @param {IUiMessage} _this */
        invalidate: function(_this) {
            _this.uiNeedRefresh = true;
            return _this;
        },

        /** @param {UiMessage|UiMeMessage|UiNoticeMessage} _this */
        removeDom: function(_this) {
            if (_this.dom && _this.dom.parentElement) {
                _this.dom.remove();
                delete(_this.dom);
            }
            return _this;
        },

        /** @param {UiMessage|UiMeMessage|UiNoticeMessage} _this */
        getDom: function(_this) {
            if (!_this.dom) {
                _this.createDom().updateDom();

            } else if (_this.uiNeedRefresh) {
                _this.uiNeedRefresh = false;
                _this.updateDom();
            }
            return _this.dom;
        },

        /** @param {UiMessage|UiMeMessage|UiNoticeMessage} _this */
        updateDom: function(_this) {
            var sender = DATA.context.getUser(_this.userId);

            updateCommon(_this, sender);
            updateAttachments(_this, _this.channelId);
            updateReactions(_this, _this.channelId);
            if (_this.edited)
                _this.dom.classList.add(R.klass.msg.editedStatus);
            return _this;
        },

        duplicateDom: function(_this) {
            return _this.dom.cloneNode(true);
        },

        formatText: function(_this, text) {
            return _formatText(_this, text);
        }
    };
})();

/**
 * @constructor
 * @implements {IUiMessage}
 * @extends {MeMessage}
 * @param {*} ev
 * @param {number} ts
**/
function UiMeMessage(channelId, ev, ts) {
    // Extends AbstractUiMessage and MeMessage
    MeMessage.call(this, ev, ts);

    /** @const @type {ChatContext} */
    this.context = DATA.context.getChannelContext(channelId).getChatContext();

    /** @type {string} @const */
    this.channelId = channelId;
    this.dom = AbstractUiMessage.dom;
    this.uiNeedRefresh = AbstractUiMessage.uiNeedRefresh;
}
UiMeMessage.prototype = Object.create(MeMessage.prototype);
UiMeMessage.prototype.constructor = UiMeMessage;

UiMeMessage.prototype.invalidate = function() {
    return AbstractUiMessage.invalidate(this);
};

UiMeMessage.prototype.formatText = function(text) {
    return AbstractUiMessage.formatText(this, text);
};

UiMeMessage.prototype.removeDom = function() {
    return AbstractUiMessage.removeDom(this);
};

UiMeMessage.prototype.getDom = function() {
    return AbstractUiMessage.getDom(this);
};

UiMeMessage.prototype.createDom = function() {
    this.dom = doCreateMessageDom(this, false);
    this.dom.classList.add(R.klass.msg.meMessage);
    return this;
};

UiMeMessage.prototype.duplicateDom = function() {
    return AbstractUiMessage.duplicateDom(this);
};

UiMeMessage.prototype.updateDom = function() {
    AbstractUiMessage.updateDom(this);
    return this;
};

UiMeMessage.prototype.update = function(ev, ts) {
    MeMessage.prototype.update.call(this, ev, ts);
    this.invalidate();
};

/**
 * @constructor
 * @implements {IUiMessage}
 * @extends {Message}
 * @param {*} ev
 * @param {number} ts
**/
function UiMessage(channelId, ev, ts) {
    // Extends AbstractUiMessage and Message
    Message.call(this, ev, ts);

    /** @const @type {ChatContext} */
    this.context = DATA.context.getChannelContext(channelId).getChatContext();

    /** @type {string} @const */
    this.channelId = channelId;
    /** @type {Element} */
    this.dom = AbstractUiMessage.dom;
    /** @type {boolean} */
    this.uiNeedRefresh = AbstractUiMessage.uiNeedRefresh;
}
UiMessage.prototype = Object.create(Message.prototype);
UiMessage.prototype.constructor = UiMessage;

UiMessage.prototype.invalidate = function() {
    return AbstractUiMessage.invalidate(this);
};

UiMessage.prototype.formatText = function(text) {
    return AbstractUiMessage.formatText(this, text);
};

UiMessage.prototype.removeDom = function() {
    return AbstractUiMessage.removeDom(this);
};

UiMessage.prototype.getDom = function() {
    return AbstractUiMessage.getDom(this);
};

UiMessage.prototype.createDom = function() {
    this.dom = doCreateMessageDom(this, false);
    return this;
};

UiMessage.prototype.duplicateDom = function() {
    return AbstractUiMessage.duplicateDom(this);
};

UiMessage.prototype.updateDom = function() {
    AbstractUiMessage.updateDom(this);
    return this;
};

UiMessage.prototype.update = function(ev, ts) {
    Message.prototype.update.call(this, ev, ts);
    this.invalidate();
};

/**
 * @constructor
 * @implements {IUiMessage}
 * @extends {NoticeMessage}
 * @param {*} ev
 * @param {number} ts
**/
function UiNoticeMessage(channelId, ev, ts) {
    // Extends AbstractUiMessage and NoticeMessage
    NoticeMessage.call(this, ev, ts);

    /** @const @type {ChatContext} */
    this.context = DATA.context.getChannelContext(channelId).getChatContext();

    /** @type {string} @const */
    this.channelId = channelId;

    /** @type {Element} */
    this.dom;

    /** @type {Element} */
    this.domWrapper = null;

    /** @type {boolean} */
    this.uiNeedRefresh = true;
}
UiNoticeMessage.prototype = Object.create(NoticeMessage.prototype);
UiNoticeMessage.prototype.constructor = UiNoticeMessage;

UiNoticeMessage.prototype.invalidate = function() {
    return AbstractUiMessage.invalidate(this);
};

UiNoticeMessage.prototype.formatText = function(text) {
    return AbstractUiMessage.formatText(this, text);
};

UiNoticeMessage.prototype.removeDom = function() {
    if (this.domWrapper && this.domWrapper.parentElement) {
        this.domWrapper.remove();
        delete(this.domWrapper);
    }
    if (this.dom)
        delete(this.dom);
    return this;
};

UiNoticeMessage.prototype.getDom = function() {
    AbstractUiMessage.getDom(this);
    return this.domWrapper;
};

UiNoticeMessage.prototype.duplicateDom = function() {
    return this.domWrapper.cloneNode(true);
};

UiNoticeMessage.prototype.createDom = function() {
    this.dom = doCreateMessageDom(this, false);
    this.domWrapper = document.createElement("span");
    this.dom.classList.add(R.klass.msg.notice);
    this.domWrapper.className = R.klass.msg.notice;
    this.domWrapper.textContent = locale.onlyVisible;
    this.domWrapper.appendChild(this.dom);
    return this;
};

UiNoticeMessage.prototype.updateDom = function() {
    AbstractUiMessage.updateDom(this);
    return this;
};

UiNoticeMessage.prototype.update = function(ev, ts) {
    NoticeMessage.prototype.update.call(this, ev, ts);
    this.invalidate();
};