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			1047 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1047 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var compose = (function () {
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var exports = {};
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/* Track the state of the @all warning. The user must acknowledge that they are spamming the entire
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   stream before the warning will go away. If they try to send before explicitly dismissing the
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   warning, they will get an error message too.
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   undefined: no @all/@everyone in message;
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   false: user typed @all/@everyone;
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   true: user clicked YES */
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var user_acknowledged_all_everyone;
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var user_acknowledged_announce;
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exports.all_everyone_warn_threshold = 15;
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exports.announce_warn_threshold = 60;
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exports.uploads_domain = document.location.protocol + '//' + document.location.host;
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exports.uploads_path = '/user_uploads';
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exports.uploads_re = new RegExp("\\]\\(" + exports.uploads_domain + "(" + exports.uploads_path + "[^\\)]+)\\)", 'g');
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exports.clone_file_input = undefined;
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function make_uploads_relative(content) {
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    // Rewrite uploads in markdown links back to domain-relative form
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    return content.replace(exports.uploads_re, "]($1)");
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}
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function show_all_everyone_warnings() {
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    var stream_count = stream_data.get_subscriber_count(compose_state.stream_name()) || 0;
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    var all_everyone_template = templates.render("compose_all_everyone", {count: stream_count});
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    var error_area_all_everyone = $("#compose-all-everyone");
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    // only show one error for any number of @all or @everyone mentions
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    if (!error_area_all_everyone.is(':visible')) {
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        error_area_all_everyone.append(all_everyone_template);
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    }
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    error_area_all_everyone.show();
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    user_acknowledged_all_everyone = false;
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}
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exports.clear_all_everyone_warnings = function () {
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    $("#compose-all-everyone").hide();
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    $("#compose-all-everyone").empty();
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    $("#compose-send-status").hide();
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};
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function show_sending_indicator(whats_happening) {
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    if (whats_happening === undefined) {
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        whats_happening = 'Sending...';
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    }
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    $("#sending-indicator").html(i18n.t(whats_happening));
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    $("#sending-indicator").show();
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}
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function show_announce_warnings() {
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    var stream_count = stream_data.get_subscriber_count(compose_state.stream_name()) || 0;
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    var announce_template = templates.render("compose_announce", {count: stream_count});
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    var error_area_announce = $("#compose-announce");
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    if (!error_area_announce.is(':visible')) {
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        error_area_announce.append(announce_template);
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    }
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    error_area_announce.show();
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    user_acknowledged_announce = false;
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}
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exports.clear_announce_warnings = function () {
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    $("#compose-announce").hide();
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    $("#compose-announce").empty();
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    $("#compose-send-status").hide();
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};
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exports.clear_invites = function () {
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    $("#compose_invite_users").hide();
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    $("#compose_invite_users").empty();
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};
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exports.clear_private_stream_alert = function () {
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    $("#compose_private_stream_alert").hide();
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    $("#compose_private_stream_alert").empty();
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};
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exports.reset_user_acknowledged_all_everyone_flag = function () {
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    user_acknowledged_all_everyone = undefined;
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};
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exports.reset_user_acknowledged_announce_flag = function () {
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    user_acknowledged_announce = undefined;
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};
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exports.clear_preview_area = function () {
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    $("#compose-textarea").show();
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    $("#undo_markdown_preview").hide();
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    $("#preview_message_area").hide();
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    $("#preview_content").empty();
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    $("#markdown_preview").show();
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};
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function update_fade() {
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    if (!compose_state.composing()) {
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        return;
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    }
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    var msg_type = compose_state.get_message_type();
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    compose_fade.set_focused_recipient(msg_type);
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    compose_fade.update_faded_messages();
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}
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exports.abort_xhr = function () {
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    $("#compose-send-button").prop("disabled", false);
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    var xhr = $("#compose").data("filedrop_xhr");
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    if (xhr !== undefined) {
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        xhr.abort();
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        $("#compose").removeData("filedrop_xhr");
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    }
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};
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exports.empty_topic_placeholder = function () {
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    return i18n.t("(no topic)");
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};
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function create_message_object() {
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    // Subjects are optional, and we provide a placeholder if one isn't given.
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    var subject = compose_state.subject();
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    if (subject === "") {
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        subject = compose.empty_topic_placeholder();
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    }
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    var content = make_uploads_relative(compose_state.message_content());
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    // Changes here must also be kept in sync with echo.try_deliver_locally
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    var message = {
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        type: compose_state.get_message_type(),
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        content: content,
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        sender_id: page_params.user_id,
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        queue_id: page_params.queue_id,
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        stream: '',
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        subject: '',
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    };
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    if (message.type === "private") {
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        // TODO: this should be collapsed with the code in composebox_typeahead.js
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        var recipient = compose_state.recipient();
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        var emails = util.extract_pm_recipients(recipient);
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        message.to = emails;
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        message.reply_to = recipient;
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        message.private_message_recipient = recipient;
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        message.to_user_ids = people.email_list_to_user_ids_string(emails);
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    } else {
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        var stream_name = compose_state.stream_name();
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        message.to = stream_name;
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        message.stream = stream_name;
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        var sub = stream_data.get_sub(stream_name);
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        if (sub) {
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            message.stream_id = sub.stream_id;
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        }
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        message.subject = subject;
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    }
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    return message;
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}
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// Export for testing
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exports.create_message_object = create_message_object;
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function compose_error(error_text, bad_input) {
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    $('#compose-send-status').removeClass(common.status_classes)
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               .addClass('alert-error')
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               .stop(true).fadeTo(0, 1);
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    $('#compose-error-msg').html(error_text);
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    $("#compose-send-button").prop('disabled', false);
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    $("#sending-indicator").hide();
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    if (bad_input !== undefined) {
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        bad_input.focus().select();
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    }
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}
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function nonexistent_stream_reply_error() {
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    $("#nonexistent_stream_reply_error").show();
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    $("#compose-reply-error-msg").html("There are no messages to reply to yet.");
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    setTimeout(function () {
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        $("#nonexistent_stream_reply_error").hide();
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    }, 5000);
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}
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exports.nonexistent_stream_reply_error = nonexistent_stream_reply_error;
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function send_message_ajax(request, success, error) {
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    channel.post({
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        url: '/json/messages',
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        data: request,
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        success: success,
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        error: function (xhr, error_type) {
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            if (error_type !== 'timeout' && reload.is_pending()) {
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                // The error might be due to the server changing
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                reload.initiate({immediate: true,
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                                 save_pointer: true,
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                                 save_narrow: true,
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                                 save_compose: true,
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                                 send_after_reload: true});
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                return;
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            }
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            var response = channel.xhr_error_message("Error sending message", xhr);
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            error(response);
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        },
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    });
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}
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var socket;
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if (page_params.use_websockets) {
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    socket = new Socket("/sockjs");
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}
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// For debugging.  The socket will eventually move out of this file anyway.
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exports._socket = socket;
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function send_message_socket(request, success, error) {
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    request.socket_user_agent = navigator.userAgent;
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    socket.send(request, success, function (type, resp) {
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        var err_msg = "Error sending message";
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        if (type === 'response') {
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            err_msg += ": " + resp.msg;
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        }
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        error(err_msg);
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    });
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}
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function clear_compose_box() {
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    $("#compose-textarea").val('').focus();
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    drafts.delete_draft_after_send();
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    compose_ui.autosize_textarea();
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    $("#compose-send-status").hide(0);
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    $("#compose-send-button").prop('disabled', false);
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    $("#sending-indicator").hide();
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    resize.resize_bottom_whitespace();
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}
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exports.send_message_success = function (local_id, message_id, locally_echoed) {
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    if (!locally_echoed) {
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        clear_compose_box();
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    }
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    echo.reify_message_id(local_id, message_id);
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};
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exports.transmit_message = function (request, on_success, error) {
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    function success(data) {
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        // Call back to our callers to do things like closing the compose
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        // box and turning off spinners and reifying locally echoed messages.
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        on_success(data);
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        // Once everything is done, get ready to report times to the server.
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        sent_messages.report_server_ack(request.local_id);
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    }
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    if (page_params.use_websockets) {
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        send_message_socket(request, success, error);
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    } else {
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        send_message_ajax(request, success, error);
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    }
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};
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exports.send_message = function send_message(request) {
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    if (request === undefined) {
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        request = create_message_object();
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    }
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    if (request.type === "private") {
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        request.to = JSON.stringify(request.to);
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    } else {
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        request.to = JSON.stringify([request.to]);
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    }
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    var local_id;
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    var locally_echoed;
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    local_id = echo.try_deliver_locally(request);
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    if (local_id) {
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        // We are rendering this message locally with an id
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        // like 92l99.01 that corresponds to a reasonable
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        // approximation of the id we'll get from the server
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        // in terms of sorting messages.
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        locally_echoed = true;
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    } else {
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        // We are not rendering this message locally, but we
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        // track the message's life cycle with an id like
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        // loc-1, loc-2, loc-3,etc.
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        locally_echoed = false;
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        local_id = sent_messages.get_new_local_id();
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    }
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    request.local_id = local_id;
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    sent_messages.start_tracking_message({
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        local_id: local_id,
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        locally_echoed: locally_echoed,
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    });
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    request.locally_echoed = locally_echoed;
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    function success(data) {
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        exports.send_message_success(local_id, data.id, locally_echoed);
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    }
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    function error(response) {
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        // If we're not local echo'ing messages, or if this message was not
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        // locally echoed, show error in compose box
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        if (!locally_echoed) {
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            compose_error(response, $('#compose-textarea'));
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            return;
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        }
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        echo.message_send_error(local_id, response);
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    }
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    exports.transmit_message(request, success, error);
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    server_events.assert_get_events_running("Restarting get_events because it was not running during send");
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    if (locally_echoed) {
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        clear_compose_box();
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    }
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};
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exports.deferred_message_types = {
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    scheduled: {
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        delivery_type: 'send_later',
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        test: /^\/schedule/,
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        slash_command: '/schedule',
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    },
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    reminders: {
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        delivery_type: 'remind',
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        test: /^\/remind/,
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        slash_command: '/remind',
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    },
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};
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function is_deferred_delivery(message_content) {
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    var reminders_test = exports.deferred_message_types.reminders.test;
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    var scheduled_test = exports.deferred_message_types.scheduled.test;
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    return (reminders_test.test(message_content) ||
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            scheduled_test.test(message_content));
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}
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function patch_request_for_scheduling(request) {
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    var new_request = request;
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    var raw_message = request.content.split('\n');
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    var command_line = raw_message[0];
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    var message = raw_message.slice(1).join('\n');
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    var deferred_message_type = _.filter(exports.deferred_message_types, function (props) {
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        return command_line.match(props.test) !== null;
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    })[0];
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    var command = command_line.match(deferred_message_type.test)[0];
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    var deliver_at = command_line.slice(command.length + 1);
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    if (message.trim() === '' || deliver_at.trim() === '' ||
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        command_line.slice(command.length, command.length + 1) !== ' ') {
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        $("#compose-textarea").attr('disabled', false);
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        if (command_line.slice(command.length, command.length + 1) !== ' ') {
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            compose_error(i18n.t('Invalid slash command. Check if you are missing a space after the command.'), $('#compose-textarea'));
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        } else if (deliver_at.trim() === '') {
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            compose_error(i18n.t('Please specify time for your reminder.'), $('#compose-textarea'));
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        } else {
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            compose_error(i18n.t('Your reminder note is empty!'), $('#compose-textarea'));
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        }
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        return;
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    }
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    new_request.content = message;
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    new_request.deliver_at = deliver_at;
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    new_request.delivery_type = deferred_message_type.delivery_type;
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    new_request.tz_guess = moment.tz.guess();
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    return new_request;
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}
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exports.schedule_message = function schedule_message(request, success, error) {
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    if (request === undefined) {
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        request = create_message_object();
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    }
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    if (request.type === "private") {
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        request.to = JSON.stringify(request.to);
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    } else {
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        request.to = JSON.stringify([request.to]);
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    }
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    /* success and error callbacks are kind of a package deal here. When scheduling
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    a message either by means of slash command or from message feed, if we need to do
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    something special on success then we will also need to know if our request errored
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    and do something appropriate. Therefore we just check if success callback is not
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    defined and just assume request to be coming from compose box. This is correct
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    because we won't ever actually have success operate in different context than error. */
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    if (success === undefined) {
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        success = function (data) {
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            notifications.notify_above_composebox('Scheduled your Message to be delivered at: ' + data.deliver_at);
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            $("#compose-textarea").attr('disabled', false);
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            clear_compose_box();
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        };
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        error = function (response) {
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            $("#compose-textarea").attr('disabled', false);
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            compose_error(response, $('#compose-textarea'));
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        };
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        /* We are adding a disable on compose under this block since it actually
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        has its place with the branch of code which does stuff when slash command
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        is incoming from compose_box */
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        $("#compose-textarea").attr('disabled', true);
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    }
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    request = patch_request_for_scheduling(request);
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    if (request === undefined) {
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       return;
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    }
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    exports.transmit_message(request, success, error);
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};
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exports.enter_with_preview_open = function () {
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    exports.clear_preview_area();
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    if (page_params.enter_sends) {
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        // If enter_sends is enabled, we attempt to send the message
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        exports.finish();
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    } else {
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        // Otherwise, we return to the compose box and focus it
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        $("#compose-textarea").focus();
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    }
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};
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exports.finish = function () {
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    exports.clear_invites();
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    exports.clear_private_stream_alert();
 | 
						|
    notifications.clear_compose_notifications();
 | 
						|
 | 
						|
    if (! compose.validate()) {
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    var message_content = compose_state.message_content();
 | 
						|
    if (is_deferred_delivery(message_content)) {
 | 
						|
        exports.schedule_message();
 | 
						|
    } else {
 | 
						|
        exports.send_message();
 | 
						|
    }
 | 
						|
    exports.clear_preview_area();
 | 
						|
    // TODO: Do we want to fire the event even if the send failed due
 | 
						|
    // to a server-side error?
 | 
						|
    $(document).trigger($.Event('compose_finished.zulip'));
 | 
						|
    return true;
 | 
						|
};
 | 
						|
 | 
						|
exports.update_email = function (user_id, new_email) {
 | 
						|
    var reply_to = compose_state.recipient();
 | 
						|
 | 
						|
    if (!reply_to) {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    reply_to = people.update_email_in_reply_to(reply_to, user_id, new_email);
 | 
						|
 | 
						|
    compose_state.recipient(reply_to);
 | 
						|
};
 | 
						|
 | 
						|
exports.get_invalid_recipient_emails = function () {
 | 
						|
    var private_recipients = util.extract_pm_recipients(compose_state.recipient());
 | 
						|
    var invalid_recipients = _.reject(private_recipients, people.is_valid_email_for_compose);
 | 
						|
 | 
						|
    return invalid_recipients;
 | 
						|
};
 | 
						|
 | 
						|
function check_unsubscribed_stream_for_send(stream_name, autosubscribe) {
 | 
						|
    var stream_obj = stream_data.get_sub(stream_name);
 | 
						|
    var result;
 | 
						|
    if (!stream_obj) {
 | 
						|
        return "does-not-exist";
 | 
						|
    }
 | 
						|
    if (!autosubscribe) {
 | 
						|
        return "not-subscribed";
 | 
						|
    }
 | 
						|
 | 
						|
    // In the rare circumstance of the autosubscribe option, we
 | 
						|
    // *Synchronously* try to subscribe to the stream before sending
 | 
						|
    // the message.  This is deprecated and we hope to remove it; see
 | 
						|
    // #4650.
 | 
						|
    channel.post({
 | 
						|
        url: "/json/subscriptions/exists",
 | 
						|
        data: {stream: stream_name, autosubscribe: true},
 | 
						|
        async: false,
 | 
						|
        success: function (data) {
 | 
						|
            if (data.subscribed) {
 | 
						|
                result = "subscribed";
 | 
						|
            } else {
 | 
						|
                result = "not-subscribed";
 | 
						|
            }
 | 
						|
        },
 | 
						|
        error: function (xhr) {
 | 
						|
            if (xhr.status === 404) {
 | 
						|
                result = "does-not-exist";
 | 
						|
            } else {
 | 
						|
                result = "error";
 | 
						|
            }
 | 
						|
        },
 | 
						|
    });
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message_mentions(stream_name) {
 | 
						|
    var stream_count = stream_data.get_subscriber_count(stream_name) || 0;
 | 
						|
 | 
						|
    // check if @all or @everyone is in the message
 | 
						|
    if (util.is_all_or_everyone_mentioned(compose_state.message_content()) &&
 | 
						|
        stream_count > compose.all_everyone_warn_threshold) {
 | 
						|
        if (user_acknowledged_all_everyone === undefined ||
 | 
						|
            user_acknowledged_all_everyone === false) {
 | 
						|
            // user has not seen a warning message yet if undefined
 | 
						|
            show_all_everyone_warnings();
 | 
						|
 | 
						|
            $("#compose-send-button").prop('disabled', false);
 | 
						|
            $("#sending-indicator").hide();
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        // the message no longer contains @all or @everyone
 | 
						|
        exports.clear_all_everyone_warnings();
 | 
						|
    }
 | 
						|
    // at this point, the user has either acknowledged the warning or removed @all / @everyone
 | 
						|
    user_acknowledged_all_everyone = undefined;
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message_announce(stream_name) {
 | 
						|
    var stream_count = stream_data.get_subscriber_count(stream_name) || 0;
 | 
						|
 | 
						|
    if (stream_name === "announce" &&
 | 
						|
        stream_count > compose.announce_warn_threshold) {
 | 
						|
        if (user_acknowledged_announce === undefined ||
 | 
						|
            user_acknowledged_announce === false) {
 | 
						|
            // user has not seen a warning message yet if undefined
 | 
						|
            show_announce_warnings();
 | 
						|
 | 
						|
            $("#compose-send-button").prop('disabled', false);
 | 
						|
            $("#sending-indicator").hide();
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        exports.clear_announce_warnings();
 | 
						|
    }
 | 
						|
    // at this point, the user has acknowledged the warning
 | 
						|
    user_acknowledged_announce = undefined;
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
exports.validate_stream_message_address_info = function (stream_name) {
 | 
						|
    if (stream_data.is_subscribed(stream_name)) {
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    var response;
 | 
						|
 | 
						|
    var context = {};
 | 
						|
    context.stream_name = Handlebars.Utils.escapeExpression(stream_name);
 | 
						|
    switch (check_unsubscribed_stream_for_send(stream_name,
 | 
						|
                                               page_params.narrow_stream !== undefined)) {
 | 
						|
    case "does-not-exist":
 | 
						|
        response = i18n.t("<p>The stream <b>__stream_name__</b> does not exist.</p><p>Manage your subscriptions <a href='#streams/all'>on your Streams page</a>.</p>", context);
 | 
						|
        compose_error(response, $('#stream'));
 | 
						|
        return false;
 | 
						|
    case "error":
 | 
						|
        compose_error(i18n.t("Error checking subscription"), $("#stream"));
 | 
						|
        return false;
 | 
						|
    case "not-subscribed":
 | 
						|
        response = i18n.t("<p>You're not subscribed to the stream <b>__stream_name__</b>.</p><p>Manage your subscriptions <a href='#streams/all'>on your Streams page</a>.</p>", context);
 | 
						|
        compose_error(response, $('#stream'));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
};
 | 
						|
 | 
						|
function validate_stream_message() {
 | 
						|
    var stream_name = compose_state.stream_name();
 | 
						|
    if (stream_name === "") {
 | 
						|
        compose_error(i18n.t("Please specify a stream"), $("#stream"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (page_params.realm_mandatory_topics) {
 | 
						|
        var topic = compose_state.subject();
 | 
						|
        if (topic === "") {
 | 
						|
            compose_error(i18n.t("Please specify a topic"), $("#subject"));
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    // If both `@all` is mentioned and it's in `#announce`, just validate
 | 
						|
    // for `@all`. Users shouldn't have to hit "yes" more than once.
 | 
						|
    if (util.is_all_or_everyone_mentioned(compose_state.message_content()) &&
 | 
						|
        stream_name === "announce") {
 | 
						|
        if (!exports.validate_stream_message_address_info(stream_name) ||
 | 
						|
            !validate_stream_message_mentions(stream_name)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    // If either criteria isn't met, just do the normal validation.
 | 
						|
    } else {
 | 
						|
      if (!exports.validate_stream_message_address_info(stream_name) ||
 | 
						|
          !validate_stream_message_mentions(stream_name) ||
 | 
						|
          !validate_stream_message_announce(stream_name)) {
 | 
						|
          return false;
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
// The function checks whether the recipients are users of the realm or cross realm users (bots
 | 
						|
// for now)
 | 
						|
function validate_private_message() {
 | 
						|
    if (compose_state.recipient() === "") {
 | 
						|
        compose_error(i18n.t("Please specify at least one recipient"), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    } else if (page_params.realm_is_zephyr_mirror_realm) {
 | 
						|
        // For Zephyr mirroring realms, the frontend doesn't know which users exist
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    var invalid_recipients = exports.get_invalid_recipient_emails();
 | 
						|
 | 
						|
    var context = {};
 | 
						|
    if (invalid_recipients.length === 1) {
 | 
						|
        context = {recipient: invalid_recipients.join()};
 | 
						|
        compose_error(i18n.t("The recipient __recipient__ is not valid", context), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    } else if (invalid_recipients.length > 1) {
 | 
						|
        context = {recipients: invalid_recipients.join()};
 | 
						|
        compose_error(i18n.t("The recipients __recipients__ are not valid", context), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
exports.validate = function () {
 | 
						|
    $("#compose-send-button").attr('disabled', 'disabled').blur();
 | 
						|
    var message_content = compose_state.message_content();
 | 
						|
    if (is_deferred_delivery(message_content)) {
 | 
						|
        show_sending_indicator('Scheduling...');
 | 
						|
    } else {
 | 
						|
        show_sending_indicator();
 | 
						|
    }
 | 
						|
 | 
						|
    if (/^\s*$/.test(message_content)) {
 | 
						|
        compose_error(i18n.t("You have nothing to send!"), $("#compose-textarea"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if ($("#zephyr-mirror-error").is(":visible")) {
 | 
						|
        compose_error(i18n.t("You need to be running Zephyr mirroring in order to send messages!"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (compose_state.get_message_type() === 'private') {
 | 
						|
        return validate_private_message();
 | 
						|
    }
 | 
						|
    return validate_stream_message();
 | 
						|
};
 | 
						|
 | 
						|
exports.handle_keydown = function (event) {
 | 
						|
    var code = event.keyCode || event.which;
 | 
						|
    var textarea = $("#compose-textarea");
 | 
						|
    var range = textarea.range();
 | 
						|
    var isBold = code === 66;
 | 
						|
    var isItalic = code === 73 && !event.shiftKey;
 | 
						|
    var isLink = code === 76 && event.shiftKey;
 | 
						|
 | 
						|
    if ((isBold || isItalic || isLink) && (event.ctrlKey || event.metaKey)) {
 | 
						|
        function add_markdown(markdown) {
 | 
						|
            var textarea = $("#compose-textarea");
 | 
						|
            var range = textarea.range();
 | 
						|
            if (!document.execCommand('insertText', false, markdown)) {
 | 
						|
                textarea.range(range.start, range.end).range(markdown);
 | 
						|
            }
 | 
						|
            event.preventDefault();
 | 
						|
        }
 | 
						|
 | 
						|
        if (isBold) {
 | 
						|
            // ctrl + b: Convert selected text to bold text
 | 
						|
            add_markdown("**" + range.text + "**");
 | 
						|
            if (!range.length) {
 | 
						|
                textarea.caret(textarea.caret() - 2);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (isItalic) {
 | 
						|
            // ctrl + i: Convert selected text to italic text
 | 
						|
            add_markdown("*" + range.text + "*");
 | 
						|
            if (!range.length) {
 | 
						|
                textarea.caret(textarea.caret() - 1);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (isLink) {
 | 
						|
            // ctrl + l: Insert a link to selected text
 | 
						|
            add_markdown("[" + range.text + "](url)");
 | 
						|
            var position = textarea.caret();
 | 
						|
            var txt = document.getElementById("compose-textarea");
 | 
						|
 | 
						|
            // Include selected text in between [] parantheses and insert '(url)'
 | 
						|
            // where "url" should be automatically selected.
 | 
						|
            // Position of cursor depends on whether browser supports exec
 | 
						|
            // command or not. So set cursor position accrodingly.
 | 
						|
            if (range.length > 0) {
 | 
						|
                if (document.queryCommandEnabled('insertText')) {
 | 
						|
                    txt.selectionStart = position - 4;
 | 
						|
                    txt.selectionEnd = position - 1;
 | 
						|
                } else {
 | 
						|
                    txt.selectionStart = position + range.length + 3;
 | 
						|
                    txt.selectionEnd = position + range.length + 6;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                textarea.caret(textarea.caret() - 6);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        compose_ui.autosize_textarea();
 | 
						|
        return;
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
exports.initialize = function () {
 | 
						|
    $('#stream,#subject,#private_message_recipient').on('keyup', update_fade);
 | 
						|
    $('#stream,#subject,#private_message_recipient').on('change', update_fade);
 | 
						|
    $('#compose-textarea').on('keydown', exports.handle_keydown);
 | 
						|
 | 
						|
    $("#compose form").on("submit", function (e) {
 | 
						|
       e.preventDefault();
 | 
						|
       compose.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    resize.watch_manual_resize("#compose-textarea");
 | 
						|
 | 
						|
    // Run a feature test and decide whether to display
 | 
						|
    // the "Attach files" button
 | 
						|
    if (window.XMLHttpRequest && (new XMLHttpRequest()).upload) {
 | 
						|
        $("#compose #attach_files").removeClass("notdisplayed");
 | 
						|
    }
 | 
						|
 | 
						|
    // Lazy load the Dropbox script, since it can slow our page load
 | 
						|
    // otherwise, and isn't enabled for all users. Also, this Dropbox
 | 
						|
    // script isn't under an open source license, so we can't (for legal
 | 
						|
    // reasons) minify it with our own code.
 | 
						|
    if (feature_flags.dropbox_integration) {
 | 
						|
        LazyLoad.js('https://www.dropbox.com/static/api/1/dropins.js', function () {
 | 
						|
            // Successful load. We should now have window.Dropbox.
 | 
						|
            if (! _.has(window, 'Dropbox')) {
 | 
						|
                blueslip.error('Dropbox script reports loading but window.Dropbox undefined');
 | 
						|
            } else if (Dropbox.isBrowserSupported()) {
 | 
						|
                Dropbox.init({appKey: window.dropboxAppKey});
 | 
						|
                $("#compose #attach_dropbox_files").removeClass("notdisplayed");
 | 
						|
            }
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    // Show a warning if a user @-mentions someone who will not receive this message
 | 
						|
    $(document).on('usermention_completed.zulip', function (event, data) {
 | 
						|
        if (compose_state.get_message_type() !== 'stream') {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        // Disable for Zephyr mirroring realms, since we never have subscriber lists there
 | 
						|
        if (page_params.realm_is_zephyr_mirror_realm) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        if (data !== undefined && data.mentioned !== undefined) {
 | 
						|
            var email = data.mentioned.email;
 | 
						|
 | 
						|
            // warn if @all or @everyone is mentioned
 | 
						|
            if (data.mentioned.full_name  === 'all' || data.mentioned.full_name === 'everyone') {
 | 
						|
                return; // don't check if @all or @everyone is subscribed to a stream
 | 
						|
            }
 | 
						|
 | 
						|
            if (compose_fade.would_receive_message(email) === false) {
 | 
						|
                var error_area = $("#compose_invite_users");
 | 
						|
                var existing_invites_area = $('#compose_invite_users .compose_invite_user');
 | 
						|
 | 
						|
                var existing_invites = _.map($(existing_invites_area), function (user_row) {
 | 
						|
                    return $(user_row).data('useremail');
 | 
						|
                });
 | 
						|
 | 
						|
                if (existing_invites.indexOf(email) === -1) {
 | 
						|
                    var context = {email: email, name: data.mentioned.full_name};
 | 
						|
                    var new_row = templates.render("compose-invite-users", context);
 | 
						|
                    error_area.append(new_row);
 | 
						|
                }
 | 
						|
 | 
						|
                error_area.show();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // User group mentions will fall through here.  In the future,
 | 
						|
        // we may want to add some sort of similar warning for cases
 | 
						|
        // where nobody in the group is subscribed, but that decision
 | 
						|
        // can wait on user feedback.
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose-all-everyone").on('click', '.compose-all-everyone-confirm', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        $(event.target).parents('.compose-all-everyone').remove();
 | 
						|
        user_acknowledged_all_everyone = true;
 | 
						|
        exports.clear_all_everyone_warnings();
 | 
						|
        compose.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose-announce").on('click', '.compose-announce-confirm', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        $(event.target).parents('.compose-announce').remove();
 | 
						|
        user_acknowledged_announce = true;
 | 
						|
        exports.clear_announce_warnings();
 | 
						|
        compose.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_invite_users").on('click', '.compose_invite_link', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        var invite_row = $(event.target).parents('.compose_invite_user');
 | 
						|
 | 
						|
        var email = $(invite_row).data('useremail');
 | 
						|
        if (email === undefined) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        function success() {
 | 
						|
            var all_invites = $("#compose_invite_users");
 | 
						|
            invite_row.remove();
 | 
						|
 | 
						|
            if (all_invites.children().length === 0) {
 | 
						|
                all_invites.hide();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        function failure() {
 | 
						|
            var error_msg = invite_row.find('.compose_invite_user_error');
 | 
						|
            error_msg.show();
 | 
						|
 | 
						|
            $(event.target).attr('disabled', true);
 | 
						|
        }
 | 
						|
 | 
						|
        var stream_name = compose_state.stream_name();
 | 
						|
        var sub = stream_data.get_sub(stream_name);
 | 
						|
        if (!sub) {
 | 
						|
            // This should only happen if a stream rename occurs
 | 
						|
            // before the user clicks.  We could prevent this by
 | 
						|
            // putting a stream id in the link.
 | 
						|
            blueslip.warn('Stream no longer exists: ' + stream_name);
 | 
						|
            failure();
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        stream_edit.invite_user_to_stream(email, sub, success, failure);
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_invite_users").on('click', '.compose_invite_close', function (event) {
 | 
						|
        var invite_row = $(event.target).parents('.compose_invite_user');
 | 
						|
        var all_invites = $("#compose_invite_users");
 | 
						|
 | 
						|
        invite_row.remove();
 | 
						|
 | 
						|
        if (all_invites.children().length === 0) {
 | 
						|
            all_invites.hide();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    // Show a warning if a private stream is linked
 | 
						|
    $(document).on('streamname_completed.zulip', function (event, data) {
 | 
						|
        // For PMs, we don't warn about links to private streams, since
 | 
						|
        // you are often specifically encouraging somebody to subscribe
 | 
						|
        // to the stream over PMs.
 | 
						|
        if (compose_state.get_message_type() !== 'stream') {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        if (data === undefined || data.stream === undefined) {
 | 
						|
            blueslip.error('Invalid options passed into handler.');
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        // data.stream refers to the stream we're linking to in
 | 
						|
        // typeahead.  If it's not invite-only, then it's public, and
 | 
						|
        // there is no need to warn about it, since all users can already
 | 
						|
        // see all the public streams.
 | 
						|
        if (!data.stream.invite_only) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        var stream_name = data.stream.name;
 | 
						|
 | 
						|
        var warning_area = $("#compose_private_stream_alert");
 | 
						|
        var context = { stream_name: stream_name };
 | 
						|
        var new_row = templates.render("compose_private_stream_alert", context);
 | 
						|
 | 
						|
        warning_area.append(new_row);
 | 
						|
        warning_area.show();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_private_stream_alert").on('click', '.compose_private_stream_alert_close', function (event) {
 | 
						|
        var stream_alert_row = $(event.target).parents('.compose_private_stream_alert');
 | 
						|
        var stream_alert = $("#compose_private_stream_alert");
 | 
						|
 | 
						|
        stream_alert_row.remove();
 | 
						|
 | 
						|
        if (stream_alert.children().length === 0) {
 | 
						|
            stream_alert.hide();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    // Click event binding for "Attach files" button
 | 
						|
    // Triggers a click on a hidden file input field
 | 
						|
 | 
						|
    $("#compose").on("click", "#attach_files", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        if (exports.clone_file_input === undefined) {
 | 
						|
            exports.clone_file_input = $('#file_input').clone(true);
 | 
						|
        }
 | 
						|
        $("#compose #file_input").trigger("click");
 | 
						|
    });
 | 
						|
 | 
						|
    // content is passed to check for status messages ("/me ...")
 | 
						|
    // and will be undefined in case of errors
 | 
						|
    function show_preview(rendered_content, content) {
 | 
						|
        var preview_html;
 | 
						|
        if (content !== undefined && markdown.is_status_message(content, rendered_content)) {
 | 
						|
            // Handle previews of /me messages
 | 
						|
            preview_html = "<strong>" + page_params.full_name + "</strong> " + rendered_content.slice(4 + 3, -4);
 | 
						|
        } else {
 | 
						|
            preview_html = rendered_content;
 | 
						|
        }
 | 
						|
        $("#preview_content").html(preview_html);
 | 
						|
        if (page_params.emojiset === "text") {
 | 
						|
            $("#preview_content").find(".emoji").replaceWith(function () {
 | 
						|
                var text = $(this).attr("title");
 | 
						|
                return ":" + text + ":";
 | 
						|
            });
 | 
						|
         }
 | 
						|
    }
 | 
						|
 | 
						|
    $('#compose').on('click', '#video_link', function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
 | 
						|
        var video_call_id = util.random_int(100000000000000, 999999999999999);
 | 
						|
        var video_call_link = 'https://meet.jit.si/' +  video_call_id;
 | 
						|
        var video_call_link_text = '[' + _('Click to join video call') + '](' + video_call_link + ')';
 | 
						|
        compose_ui.insert_syntax_and_focus(video_call_link_text);
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").on("click", "#markdown_preview", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        var content = $("#compose-textarea").val();
 | 
						|
        $("#compose-textarea").hide();
 | 
						|
        $("#markdown_preview").hide();
 | 
						|
        $("#undo_markdown_preview").show();
 | 
						|
        $("#preview_message_area").show();
 | 
						|
 | 
						|
        if (content.length === 0) {
 | 
						|
            show_preview(i18n.t("Nothing to preview"));
 | 
						|
        } else {
 | 
						|
            if (markdown.contains_backend_only_syntax(content))  {
 | 
						|
                var spinner = $("#markdown_preview_spinner").expectOne();
 | 
						|
                loading.make_indicator(spinner);
 | 
						|
            } else {
 | 
						|
                // For messages that don't appear to contain
 | 
						|
                // bugdown-specific syntax not present in our
 | 
						|
                // marked.js frontend processor, we render using the
 | 
						|
                // frontend markdown processor message (but still
 | 
						|
                // render server-side to ensure the preview is
 | 
						|
                // accurate; if the `markdown.contains_backend_only_syntax` logic is
 | 
						|
                // incorrect wrong, users will see a brief flicker).
 | 
						|
                var message_obj = {
 | 
						|
                    raw_content: content,
 | 
						|
                };
 | 
						|
                markdown.apply_markdown(message_obj);
 | 
						|
            }
 | 
						|
            channel.post({
 | 
						|
                url: '/json/messages/render',
 | 
						|
                idempotent: true,
 | 
						|
                data: {content: content},
 | 
						|
                success: function (response_data) {
 | 
						|
                    if (markdown.contains_backend_only_syntax(content)) {
 | 
						|
                        loading.destroy_indicator($("#markdown_preview_spinner"));
 | 
						|
                    }
 | 
						|
                    show_preview(response_data.rendered, content);
 | 
						|
                },
 | 
						|
                error: function () {
 | 
						|
                    if (markdown.contains_backend_only_syntax(content)) {
 | 
						|
                        loading.destroy_indicator($("#markdown_preview_spinner"));
 | 
						|
                    }
 | 
						|
                    show_preview(i18n.t("Failed to generate preview"));
 | 
						|
                },
 | 
						|
            });
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").on("click", "#undo_markdown_preview", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        exports.clear_preview_area();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").on("click", "#attach_dropbox_files", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        var options = {
 | 
						|
            // Required. Called when a user selects an item in the Chooser.
 | 
						|
            success: function (files) {
 | 
						|
                var textbox = $("#compose-textarea");
 | 
						|
                var links = _.map(files, function (file) { return '[' + file.name + '](' + file.link +')'; })
 | 
						|
                             .join(' ') + ' ';
 | 
						|
                textbox.val(textbox.val() + links);
 | 
						|
            },
 | 
						|
            // Optional. A value of false (default) limits selection to a single file, while
 | 
						|
            // true enables multiple file selection.
 | 
						|
            multiselect: true,
 | 
						|
            iframe: true,
 | 
						|
        };
 | 
						|
        Dropbox.choose(options);
 | 
						|
    });
 | 
						|
 | 
						|
    upload.initialize();
 | 
						|
 | 
						|
    if (page_params.narrow !== undefined) {
 | 
						|
        if (page_params.narrow_topic !== undefined) {
 | 
						|
            compose_actions.start("stream", {subject: page_params.narrow_topic});
 | 
						|
        } else {
 | 
						|
            compose_actions.start("stream", {});
 | 
						|
        }
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
return exports;
 | 
						|
}());
 | 
						|
 | 
						|
if (typeof module !== 'undefined') {
 | 
						|
    module.exports = compose;
 | 
						|
}
 |