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			1000 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1000 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
var compose = (function () {
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var exports = {};
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var is_composing_message = false;
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var message_snapshot;
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var empty_subject_placeholder = "(no topic)";
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var uploads_domain = document.location.protocol + '//' + document.location.host;
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var uploads_path = '/user_uploads';
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var uploads_re = new RegExp("\\]\\(" + uploads_domain + "(" + uploads_path + "[^\\)]+)\\)", 'g');
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function make_upload_absolute(uri) {
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    if (uri.indexOf(uploads_path) === 0) {
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        // Rewrite the URI to a usable link
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        return uploads_domain + uri;
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    }
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    return uri;
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}
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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(uploads_re, "]($1)");
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}
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function client() {
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    if ((window.bridge !== undefined) &&
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        (window.bridge.desktopAppVersion !== undefined)) {
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        return "desktop app " + window.bridge.desktopAppVersion();
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    } else {
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        return "website";
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    }
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}
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// This function resets an input type="file".  Pass in the
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// jquery object.
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function clear_out_file_list(jq_file_list) {
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    var clone_for_ie_sake = jq_file_list.clone(true);
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    jq_file_list.replaceWith(clone_for_ie_sake);
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    // Hack explanation:
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    // IE won't let you do this (untested, but so says StackOverflow):
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    //    $("#file_input").val("");
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}
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function autosize_textarea() {
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    $("#new_message_content").trigger("autosize.resize");
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}
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// Show the compose box.
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function show_box(tabname, focus_area, opts) {
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    if (tabname === "stream") {
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        $('#private-message').hide();
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        $('#stream-message').show();
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        $("#stream_toggle").addClass("active");
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        $("#private_message_toggle").removeClass("active");
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    } else {
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        $('#private-message').show();
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        $('#stream-message').hide();
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        $("#stream_toggle").removeClass("active");
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        $("#private_message_toggle").addClass("active");
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    }
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    $("#send-status").removeClass(status_classes).hide();
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    $('#compose').css({visibility: "visible"});
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    $(".new_message_textarea").css("min-height", "3em");
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    if (focus_area !== undefined &&
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        (window.getSelection().toString() === "" ||
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         opts.trigger !== "message click")) {
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        focus_area.focus().select();
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    }
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    // If the compose box is obscuring the currently selected message,
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    // scroll up until the message is no longer occluded.
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    if (current_msg_list.selected_id() === -1) {
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        // If there's no selected message, there's no need to
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        // scroll the compose box to avoid it.
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        return;
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    }
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    var selected_row = current_msg_list.selected_row();
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    var cover = selected_row.offset().top + selected_row.height()
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        - $("#compose").offset().top;
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    if (cover > 0) {
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        viewport.user_initiated_animate_scroll(cover+5);
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    }
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}
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function clear_invites() {
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    $("#compose_invite_users").hide();
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    $("#compose_invite_users").empty();
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}
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function clear_box() {
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    exports.snapshot_message();
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    clear_invites();
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    $("#compose").find('input[type=text], textarea').val('');
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    autosize_textarea();
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    $("#send-status").hide(0);
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}
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function hide_box() {
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    $('.message_comp').find('input, textarea, button').blur();
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    $('#stream-message').hide();
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    $('#private-message').hide();
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    $(".new_message_textarea").css("min-height", "");
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    compose_fade.clear_compose();
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    $('.message_comp').hide();
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    $("#compose_controls").show();
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}
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function update_lock_icon_for_stream(stream_name) {
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    var icon = $("#compose-lock-icon");
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    var streamfield = $("#stream");
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    if (stream_data.get_invite_only(stream_name)) {
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        icon.show();
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        streamfield.addClass("lock-padding");
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    } else {
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        icon.hide();
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        streamfield.removeClass("lock-padding");
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    }
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}
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// In an attempt to decrease mixing, make the composebox's
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// stream bar look like what you're replying to.
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// (In particular, if there's a color associated with it,
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//  have that color be reflected here too.)
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exports.decorate_stream_bar = function (stream_name) {
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    var color = stream_data.get_color(stream_name);
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    update_lock_icon_for_stream(stream_name);
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    $("#stream-message .message_header_stream")
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        .css('background-color', color)
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        .removeClass(stream_color.color_classes)
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        .addClass(stream_color.get_color_class(color));
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};
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function update_fade () {
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    if (!is_composing_message) {
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        return;
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    }
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    // Legacy strangeness: is_composing_message can be false, "stream", or "private"
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    var msg_type = is_composing_message;
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    compose_fade.set_focused_recipient(msg_type);
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    compose_fade.update_faded_messages();
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}
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$(function () {
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    $('#stream,#subject,#private_message_recipient').bind({
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         keyup: update_fade,
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         change: update_fade
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    });
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});
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function fill_in_opts_from_current_narrowed_view(msg_type, opts) {
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    var default_opts = {
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        message_type:     msg_type,
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        stream:           '',
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        subject:          '',
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        private_message_recipient: '',
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        trigger:          'unknown'
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    };
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    // Set default parameters based on the current narrowed view.
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    narrow.set_compose_defaults(default_opts);
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    opts = _.extend(default_opts, opts);
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    return opts;
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}
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function same_recipient_as_before(msg_type, opts) {
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    return (compose.composing() === msg_type) &&
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            ((msg_type === "stream" &&
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              opts.stream === compose.stream_name() &&
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              opts.subject === compose.subject()) ||
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             (msg_type === "private" &&
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              opts.private_message_recipient === compose.recipient()));
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}
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function show_box_for_msg_type(msg_type, opts) {
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    var focus_area;
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    if (msg_type === 'stream' && opts.stream && ! opts.subject) {
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        focus_area = 'subject';
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    } else if ((msg_type === 'stream' && opts.stream)
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               || (msg_type === 'private' && opts.private_message_recipient)) {
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        focus_area = 'new_message_content';
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    }
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    if (msg_type === 'stream') {
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        show_box('stream', $("#" + (focus_area || 'stream')), opts);
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    } else {
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        show_box('private', $("#" + (focus_area || 'private_message_recipient')), opts);
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    }
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}
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exports.start = function (msg_type, opts) {
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    if (reload.is_in_progress()) {
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        return;
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    }
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    notifications.clear_compose_notifications();
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    $("#compose_close").show();
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    $("#compose_controls").hide();
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    $('.message_comp').show();
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    opts = fill_in_opts_from_current_narrowed_view(msg_type, opts);
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    // If we are invoked by a compose hotkey (c or C), do not assume that we know
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    // what the message's topic or PM recipient should be.
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    if (opts.trigger === "compose_hotkey") {
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        opts.subject = '';
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        opts.private_message_recipient = '';
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    }
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    if (compose.composing() && !same_recipient_as_before(msg_type, opts)) {
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        // Clear the compose box if the existing message is to a different recipient
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        clear_box();
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    }
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    compose.stream_name(opts.stream);
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    compose.subject(opts.subject);
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    // Set the recipients with a space after each comma, so it looks nice.
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    compose.recipient(opts.private_message_recipient.replace(/,\s*/g, ", "));
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    // If the user opens the compose box, types some text, and then clicks on a
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    // different stream/subject, we want to keep the text in the compose box
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    if (opts.content !== undefined) {
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        compose.message_content(opts.content);
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    }
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    ui.change_tab_to("#home");
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    is_composing_message = msg_type;
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    // Show either stream/topic fields or "You and" field.
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    show_box_for_msg_type(msg_type, opts);
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    compose_fade.start_compose(msg_type);
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    exports.decorate_stream_bar(opts.stream);
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    $(document).trigger($.Event('compose_started.zulip', opts));
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    resize.resize_bottom_whitespace();
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};
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function abort_xhr () {
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    $("#compose-send-button").removeAttr("disabled");
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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.cancel = function () {
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    if (page_params.narrow !== undefined) {
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        // Never close the compose box in narrow embedded windows, but
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        // at least clear the subject and unfade.
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        compose_fade.clear_compose();
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        if (page_params.narrow_topic !== undefined) {
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            compose.subject(page_params.narrow_topic);
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        } else {
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            compose.subject("");
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        }
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        return;
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    }
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    hide_box();
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    $("#compose_close").hide();
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    resize.resize_bottom_whitespace();
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    clear_box();
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    notifications.clear_compose_notifications();
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    abort_xhr();
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    is_composing_message = false;
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    if (message_snapshot !== undefined) {
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        $('#restore-draft').show();
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    }
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    $(document).trigger($.Event('compose_canceled.zulip'));
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};
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exports.empty_subject_placeholder = function () {
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    return empty_subject_placeholder;
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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.subject();
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    if (subject === "") {
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        subject = compose.empty_subject_placeholder();
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    }
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    var content = make_uploads_relative(compose.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 = {client: client(),
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                   type: compose.composing(),
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                   subject: subject,
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                   stream: compose.stream_name(),
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                   private_message_recipient: compose.recipient(),
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                   content: content,
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                   queue_id: page_params.event_queue_id};
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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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        message.to = compose.recipient().split(/\s*[,;]\s*/);
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        message.reply_to = compose.recipient();
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    } else {
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        message.to = compose.stream_name();
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    }
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    return message;
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}
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exports.snapshot_message = function (message) {
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    if (!exports.composing() || (exports.message_content() === "")) {
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        // If you aren't in the middle of composing the body of a
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        // message, don't try to snapshot.
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        return;
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    }
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    if (message !== undefined) {
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        message_snapshot = _.extend({}, message);
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    } else {
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        // Save what we can.
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        message_snapshot = create_message_object();
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    }
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};
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function clear_message_snapshot() {
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    $("#restore-draft").hide();
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    message_snapshot = undefined;
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}
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exports.restore_message = function () {
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    if (!message_snapshot) {
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        return;
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    }
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    var snapshot_copy = _.extend({}, message_snapshot);
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    if ((snapshot_copy.type === "stream" &&
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         snapshot_copy.stream.length > 0 &&
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         snapshot_copy.subject.length > 0) ||
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        (snapshot_copy.type === "private" &&
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         snapshot_copy.reply_to.length > 0)) {
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        snapshot_copy = _.extend({replying_to_message: snapshot_copy},
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                                 snapshot_copy);
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    }
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    clear_message_snapshot();
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    compose_fade.clear_compose();
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    compose.start(snapshot_copy.type, snapshot_copy);
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};
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function compose_error(error_text, bad_input) {
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    $('#send-status').removeClass(status_classes)
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               .addClass('alert-error')
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               .stop(true).fadeTo(0, 1);
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    $('#error-msg').html(error_text);
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    $("#compose-send-button").removeAttr('disabled');
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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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var send_options;
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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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function report_send_time(send_time, receive_time, display_time, locally_echoed, rendered_changed) {
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    var data = {"time": send_time.toString(),
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                "received": receive_time.toString(),
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                "displayed": display_time.toString(),
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                "locally_echoed": locally_echoed};
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    if (locally_echoed) {
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        data.rendered_content_disparity = rendered_changed;
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    }
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    channel.post({
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        url: '/json/report_send_time',
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        data: data
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    });
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}
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var socket;
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if (feature_flags.use_socket) {
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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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    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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exports.send_times_log = [];
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exports.send_times_data = {};
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function maybe_report_send_times(message_id) {
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    var data = exports.send_times_data[message_id];
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    if (data.send_finished === undefined || data.received === undefined ||
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        data.displayed === undefined) {
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        // We report the data once we have both the send and receive times
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        return;
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    }
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    report_send_time(data.send_finished - data.start,
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                     data.received - data.start,
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                     data.displayed - data.start,
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                     data.locally_echoed,
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                     data.rendered_content_disparity || false);
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}
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function mark_end_to_end_receive_time(message_id) {
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    if (exports.send_times_data[message_id] === undefined) {
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        exports.send_times_data[message_id] = {};
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    }
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    exports.send_times_data[message_id].received = new Date();
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    maybe_report_send_times(message_id);
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}
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function mark_end_to_end_display_time(message_id) {
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    if (exports.send_times_data[message_id] === undefined) {
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						|
        exports.send_times_data[message_id] = {};
 | 
						|
    }
 | 
						|
    exports.send_times_data[message_id].displayed = new Date();
 | 
						|
    maybe_report_send_times(message_id);
 | 
						|
}
 | 
						|
 | 
						|
exports.mark_rendered_content_disparity = function (message_id, changed) {
 | 
						|
    if (exports.send_times_data[message_id] === undefined) {
 | 
						|
        exports.send_times_data[message_id] = {};
 | 
						|
    }
 | 
						|
    exports.send_times_data[message_id].rendered_content_disparity = changed;
 | 
						|
};
 | 
						|
 | 
						|
exports.report_as_received = function report_as_received(message) {
 | 
						|
    if (message.sent_by_me) {
 | 
						|
        mark_end_to_end_receive_time(message.id);
 | 
						|
        setTimeout(function () {
 | 
						|
            mark_end_to_end_display_time(message.id);
 | 
						|
        }, 0);
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
function process_send_time(message_id, start_time, locally_echoed) {
 | 
						|
    var send_finished = new Date();
 | 
						|
    var send_time = (send_finished - start_time);
 | 
						|
    if (feature_flags.log_send_times) {
 | 
						|
        blueslip.log("send time: " + send_time);
 | 
						|
    }
 | 
						|
    if (feature_flags.collect_send_times) {
 | 
						|
        exports.send_times_log.push(send_time);
 | 
						|
    }
 | 
						|
    if (exports.send_times_data[message_id] === undefined) {
 | 
						|
        exports.send_times_data[message_id] = {};
 | 
						|
    }
 | 
						|
    exports.send_times_data[message_id].start = start_time;
 | 
						|
    exports.send_times_data[message_id].send_finished = send_finished;
 | 
						|
    exports.send_times_data[message_id].locally_echoed  = locally_echoed;
 | 
						|
    maybe_report_send_times(message_id);
 | 
						|
}
 | 
						|
 | 
						|
function clear_compose_box() {
 | 
						|
    $("#new_message_content").val('').focus();
 | 
						|
    autosize_textarea();
 | 
						|
    $("#send-status").hide(0);
 | 
						|
    clear_message_snapshot();
 | 
						|
    $("#compose-send-button").removeAttr('disabled');
 | 
						|
    $("#sending-indicator").hide();
 | 
						|
    resize.resize_bottom_whitespace();
 | 
						|
}
 | 
						|
 | 
						|
exports.send_message_success = function (local_id, message_id, start_time, locally_echoed) {
 | 
						|
    if (! feature_flags.local_echo || !locally_echoed) {
 | 
						|
        clear_compose_box();
 | 
						|
    }
 | 
						|
 | 
						|
    process_send_time(message_id, start_time, locally_echoed);
 | 
						|
 | 
						|
    if (feature_flags.local_echo) {
 | 
						|
        echo.reify_message_id(local_id, message_id);
 | 
						|
    }
 | 
						|
 | 
						|
    setTimeout(function () {
 | 
						|
        if (exports.send_times_data[message_id].received === undefined) {
 | 
						|
            blueslip.log("Restarting get_events due to delayed receipt of sent message " + message_id);
 | 
						|
            server_events.restart_get_events();
 | 
						|
        }
 | 
						|
    }, 5000);
 | 
						|
};
 | 
						|
 | 
						|
exports.transmit_message = function (request, success, error) {
 | 
						|
    delete exports.send_times_data[request.id];
 | 
						|
    if (feature_flags.use_socket) {
 | 
						|
        send_message_socket(request, success, error);
 | 
						|
    } else {
 | 
						|
        send_message_ajax(request, success, error);
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
function send_message(request) {
 | 
						|
    if (request === undefined) {
 | 
						|
        request = create_message_object();
 | 
						|
    }
 | 
						|
    exports.snapshot_message(request);
 | 
						|
 | 
						|
    if (request.type === "private") {
 | 
						|
        request.to = JSON.stringify(request.to);
 | 
						|
    } else {
 | 
						|
        request.to = JSON.stringify([request.to]);
 | 
						|
    }
 | 
						|
 | 
						|
    var start_time = new Date();
 | 
						|
    var local_id;
 | 
						|
    if (feature_flags.local_echo) {
 | 
						|
        local_id = echo.try_deliver_locally(request);
 | 
						|
        if (local_id !== undefined) {
 | 
						|
            // We delivered this message locally
 | 
						|
            request.local_id = local_id;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    var locally_echoed = local_id !== undefined;
 | 
						|
 | 
						|
    function success(data) {
 | 
						|
        exports.send_message_success(local_id, data.id, start_time, locally_echoed);
 | 
						|
    }
 | 
						|
 | 
						|
    function error(response) {
 | 
						|
        // If we're not local echo'ing messages, or if this message was not
 | 
						|
        // locally echoed, show error in compose box
 | 
						|
        if (!feature_flags.local_echo || request.local_id === undefined) {
 | 
						|
            compose_error(response, $('#new_message_content'));
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        echo.message_send_error(local_id, response);
 | 
						|
    }
 | 
						|
 | 
						|
    exports.transmit_message(request, success, error);
 | 
						|
    server_events.assert_get_events_running("Restarting get_events because it was not running during send");
 | 
						|
 | 
						|
    if (feature_flags.local_echo && locally_echoed) {
 | 
						|
        clear_compose_box();
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
// This function is for debugging / data collection only.  Arguably it
 | 
						|
// should live in debug.js, but then it wouldn't be able to call
 | 
						|
// send_message() directly below.
 | 
						|
exports.test_send_many_messages = function (stream, subject, count) {
 | 
						|
    var num_sent = 0;
 | 
						|
 | 
						|
    function do_send_one () {
 | 
						|
        var message = {};
 | 
						|
        num_sent += 1;
 | 
						|
 | 
						|
        message.type = "stream";
 | 
						|
        message.to = stream;
 | 
						|
        message.subject = subject;
 | 
						|
        message.content = num_sent.toString();
 | 
						|
        message.client = client();
 | 
						|
 | 
						|
        send_message(message);
 | 
						|
 | 
						|
        if (num_sent === count) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        setTimeout(do_send_one, 1000);
 | 
						|
    }
 | 
						|
 | 
						|
    do_send_one();
 | 
						|
};
 | 
						|
 | 
						|
exports.finish = function () {
 | 
						|
    clear_invites();
 | 
						|
 | 
						|
    if (! compose.validate()) {
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    send_message();
 | 
						|
    // 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;
 | 
						|
};
 | 
						|
 | 
						|
$(function () {
 | 
						|
    $("#compose form").on("submit", function (e) {
 | 
						|
       e.preventDefault();
 | 
						|
       compose.finish();
 | 
						|
    });
 | 
						|
});
 | 
						|
 | 
						|
exports.composing = function () {
 | 
						|
    return is_composing_message;
 | 
						|
};
 | 
						|
 | 
						|
function get_or_set(fieldname, keep_outside_whitespace) {
 | 
						|
    // We can't hoist the assignment of 'elem' out of this lambda,
 | 
						|
    // because the DOM element might not exist yet when get_or_set
 | 
						|
    // is called.
 | 
						|
    return function (newval) {
 | 
						|
        var elem = $('#'+fieldname);
 | 
						|
        var oldval = elem.val();
 | 
						|
        if (newval !== undefined) {
 | 
						|
            elem.val(newval);
 | 
						|
        }
 | 
						|
        return keep_outside_whitespace ? oldval : $.trim(oldval);
 | 
						|
    };
 | 
						|
}
 | 
						|
 | 
						|
exports.stream_name     = get_or_set('stream');
 | 
						|
exports.subject         = get_or_set('subject');
 | 
						|
exports.message_content = get_or_set('new_message_content', true);
 | 
						|
exports.recipient       = get_or_set('private_message_recipient');
 | 
						|
 | 
						|
exports.has_message_content = function () {
 | 
						|
    return exports.message_content() !== "";
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
// *Synchronously* check if a stream exists.
 | 
						|
exports.check_stream_existence = function (stream_name, autosubscribe) {
 | 
						|
    var result = "error";
 | 
						|
    var request = {'stream': stream_name};
 | 
						|
    if (autosubscribe) {
 | 
						|
        request.autosubscribe = true;
 | 
						|
    }
 | 
						|
    channel.post({
 | 
						|
        url: "/json/subscriptions/exists",
 | 
						|
        data: request,
 | 
						|
        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;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
// Checks if a stream exists. If not, displays an error and returns
 | 
						|
// false.
 | 
						|
function check_stream_for_send(stream_name, autosubscribe) {
 | 
						|
    var result = exports.check_stream_existence(stream_name, autosubscribe);
 | 
						|
 | 
						|
    if (result === "error") {
 | 
						|
        compose_error("Error checking subscription", $("#stream"));
 | 
						|
        $("#compose-send-button").removeAttr('disabled');
 | 
						|
        $("#sending-indicator").hide();
 | 
						|
    }
 | 
						|
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message() {
 | 
						|
    var stream_name = exports.stream_name();
 | 
						|
    if (stream_name === "") {
 | 
						|
        compose_error("Please specify a stream", $("#stream"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (page_params.mandatory_topics) {
 | 
						|
        var topic = exports.subject();
 | 
						|
        if (topic === "") {
 | 
						|
            compose_error("Please specify a topic", $("#subject"));
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    var response;
 | 
						|
 | 
						|
    if (!stream_data.is_subscribed(stream_name)) {
 | 
						|
        switch(check_stream_for_send(stream_name, page_params.narrow_stream !== undefined)) {
 | 
						|
        case "does-not-exist":
 | 
						|
            response = "<p>The stream <b>" +
 | 
						|
                Handlebars.Utils.escapeExpression(stream_name) + "</b> does not exist.</p>" +
 | 
						|
                "<p>Manage your subscriptions <a href='#subscriptions'>on your Streams page</a>.</p>";
 | 
						|
            compose_error(response, $('#stream'));
 | 
						|
            return false;
 | 
						|
        case "error":
 | 
						|
            return false;
 | 
						|
        case "subscribed":
 | 
						|
            // You're actually subscribed to the stream, but this
 | 
						|
            // browser window doesn't know it.
 | 
						|
            return true;
 | 
						|
        case "not-subscribed":
 | 
						|
            response = "<p>You're not subscribed to the stream <b>" +
 | 
						|
                Handlebars.Utils.escapeExpression(stream_name) + "</b>.</p>" +
 | 
						|
                "<p>Manage your subscriptions <a href='#subscriptions'>on your Streams page</a>.</p>";
 | 
						|
            compose_error(response, $('#stream'));
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
function validate_private_message() {
 | 
						|
    if (exports.recipient() === "") {
 | 
						|
        compose_error("Please specify at least one recipient", $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
exports.validate = function () {
 | 
						|
    $("#compose-send-button").attr('disabled', 'disabled').blur();
 | 
						|
    $("#sending-indicator").show();
 | 
						|
 | 
						|
    if (/^\s*$/.test(exports.message_content())) {
 | 
						|
        compose_error("You have nothing to send!", $("#new_message_content"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if ($("#zephyr-mirror-error").is(":visible")) {
 | 
						|
        compose_error("You need to be running Zephyr mirroring in order to send messages!");
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (exports.composing() === 'private') {
 | 
						|
        return validate_private_message();
 | 
						|
    } else {
 | 
						|
        return validate_stream_message();
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
$(function () {
 | 
						|
    $("#new_message_content").autosize();
 | 
						|
 | 
						|
    // 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) {
 | 
						|
        // Legacy strangeness: is_composing_message can be false, "stream", or "private"
 | 
						|
        // Disable on MIT since we never have subscriber lists there
 | 
						|
        if (is_composing_message !== "stream" || page_params.domain === 'mit.edu') {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        if (data !== undefined && data.mentioned !== undefined) {
 | 
						|
            var email = data.mentioned.email;
 | 
						|
            if (compose_fade.would_receive_message(email) === false) {
 | 
						|
                var new_row = templates.render("compose-invite-users", {email: email,
 | 
						|
                                                                        name: data.mentioned.full_name});
 | 
						|
                var error_area = $("#compose_invite_users");
 | 
						|
 | 
						|
                var existing_invites = _.map($(".compose_invite_user", error_area), function (user_row) {
 | 
						|
                    return $(user_row).data('useremail');
 | 
						|
                });
 | 
						|
 | 
						|
                if (existing_invites.indexOf(email) === -1) {
 | 
						|
                    error_area.append(new_row);
 | 
						|
                }
 | 
						|
 | 
						|
                error_area.show();
 | 
						|
            }
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    $("#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) {
 | 
						|
            subs.invite_user_to_stream(email, compose.stream_name(), function () {
 | 
						|
                var all_invites = $("#compose_invite_users");
 | 
						|
                invite_row.remove();
 | 
						|
 | 
						|
                if (all_invites.children().length === 0) {
 | 
						|
                    all_invites.hide();
 | 
						|
                }
 | 
						|
            }, function () {
 | 
						|
                var error_msg = invite_row.find('.compose_invite_user_error');
 | 
						|
                error_msg.show();
 | 
						|
 | 
						|
                $(event.target).attr('disabled', true);
 | 
						|
            });
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    $("#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();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    // 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();
 | 
						|
        $("#compose #file_input").trigger("click");
 | 
						|
    } );
 | 
						|
 | 
						|
    $("#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 = $("#new_message_content");
 | 
						|
                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);
 | 
						|
    });
 | 
						|
 | 
						|
    function uploadStarted(i, file, len) {
 | 
						|
        $("#compose-send-button").attr("disabled", "");
 | 
						|
        $("#send-status").addClass("alert-info")
 | 
						|
                         .show();
 | 
						|
        $(".send-status-close").one('click', abort_xhr);
 | 
						|
        $("#error-msg").html(
 | 
						|
            $("<p>").text("Uploading…")
 | 
						|
                    .after('<div class="progress progress-striped active">' +
 | 
						|
                           '<div class="bar" id="upload-bar" style="width: 00%;"></div>' +
 | 
						|
                           '</div>'));
 | 
						|
    }
 | 
						|
 | 
						|
    function progressUpdated(i, file, progress) {
 | 
						|
        $("#upload-bar").width(progress + "%");
 | 
						|
    }
 | 
						|
 | 
						|
    function uploadError(err, file) {
 | 
						|
        var msg;
 | 
						|
        $("#send-status").addClass("alert-error")
 | 
						|
                        .removeClass("alert-info");
 | 
						|
        $("#compose-send-button").removeAttr("disabled");
 | 
						|
        switch(err) {
 | 
						|
            case 'BrowserNotSupported':
 | 
						|
                msg = "File upload is not yet available for your browser.";
 | 
						|
                break;
 | 
						|
            case 'TooManyFiles':
 | 
						|
                msg = "Unable to upload that many files at once.";
 | 
						|
                break;
 | 
						|
            case 'FileTooLarge':
 | 
						|
                // sanitizatio not needed as the file name is not potentially parsed as HTML, etc.
 | 
						|
                msg = "\"" + file.name + "\" was too large; the maximum file size is 25MiB.";
 | 
						|
                break;
 | 
						|
            case 'REQUEST ENTITY TOO LARGE':
 | 
						|
                msg = "Sorry, the file was too large.";
 | 
						|
                break;
 | 
						|
            default:
 | 
						|
                msg = "An unknown error occured.";
 | 
						|
                break;
 | 
						|
        }
 | 
						|
        $("#error-msg").text(msg);
 | 
						|
    }
 | 
						|
 | 
						|
    function uploadFinished(i, file, response, time) {
 | 
						|
        if (response.uri === undefined) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        var textbox = $("#new_message_content"),
 | 
						|
            split_uri = response.uri.split("/"),
 | 
						|
            filename = split_uri[split_uri.length - 1];
 | 
						|
        // Urgh, yet another hack to make sure we're "composing"
 | 
						|
        // when text gets added into the composebox.
 | 
						|
        if (!compose.composing()) {
 | 
						|
            compose.start('stream');
 | 
						|
        }
 | 
						|
 | 
						|
        var uri = make_upload_absolute(response.uri);
 | 
						|
 | 
						|
        if (i === -1) {
 | 
						|
            // This is a paste, so there's no filename. Show the image directly
 | 
						|
            textbox.val(textbox.val() + "[pasted image](" + uri + ") ");
 | 
						|
        } else {
 | 
						|
            // This is a dropped file, so make the filename a link to the image
 | 
						|
            textbox.val(textbox.val() + "[" + filename + "](" + uri + ")" + " ");
 | 
						|
        }
 | 
						|
        autosize_textarea();
 | 
						|
        $("#compose-send-button").removeAttr("disabled");
 | 
						|
        $("#send-status").removeClass("alert-info")
 | 
						|
                         .hide();
 | 
						|
 | 
						|
        // In order to upload the same file twice in a row, we need to clear out
 | 
						|
        // the #file_input element, so that the next time we use the file dialog,
 | 
						|
        // an actual change event is fired.  This is extracted to a function
 | 
						|
        // to abstract away some IE hacks.
 | 
						|
        clear_out_file_list($("#file_input"));
 | 
						|
    }
 | 
						|
 | 
						|
    // Expose the internal file upload functions to the desktop app,
 | 
						|
    // since the linux/windows QtWebkit based apps upload images
 | 
						|
    // directly to the server
 | 
						|
    if (window.bridge) {
 | 
						|
        exports.uploadStarted = uploadStarted;
 | 
						|
        exports.progressUpdated = progressUpdated;
 | 
						|
        exports.uploadError = uploadError;
 | 
						|
        exports.uploadFinished = uploadFinished;
 | 
						|
    }
 | 
						|
 | 
						|
    $("#compose").filedrop({
 | 
						|
        url: "/json/upload_file",
 | 
						|
        fallback_id: "file_input",
 | 
						|
        paramname: "file",
 | 
						|
        maxfilesize: page_params.maxfilesize,
 | 
						|
        data: {
 | 
						|
            // the token isn't automatically included in filedrop's post
 | 
						|
            csrfmiddlewaretoken: csrf_token
 | 
						|
        },
 | 
						|
        raw_droppable: ['text/uri-list', 'text/plain'],
 | 
						|
        drop: uploadStarted,
 | 
						|
        progressUpdated: progressUpdated,
 | 
						|
        error: uploadError,
 | 
						|
        uploadFinished: uploadFinished,
 | 
						|
        rawDrop: function (contents) {
 | 
						|
            var textbox = $("#new_message_content");
 | 
						|
            if (!compose.composing()) {
 | 
						|
                compose.start('stream');
 | 
						|
            }
 | 
						|
            textbox.val(textbox.val() + contents);
 | 
						|
            autosize_textarea();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    if (page_params.narrow !== undefined) {
 | 
						|
        if (page_params.narrow_topic !== undefined) {
 | 
						|
            compose.start("stream", {subject: page_params.narrow_topic});
 | 
						|
        } else {
 | 
						|
            compose.start("stream", {});
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    $(document).on('message_id_changed', function (event) {
 | 
						|
        if (exports.send_times_data[event.old_id] !== undefined) {
 | 
						|
            var value = exports.send_times_data[event.old_id];
 | 
						|
            delete exports.send_times_data[event.old_id];
 | 
						|
            exports.send_times_data[event.new_id] = _.extend({}, exports.send_times_data[event.old_id], value);
 | 
						|
        }
 | 
						|
    });
 | 
						|
});
 | 
						|
 | 
						|
return exports;
 | 
						|
 | 
						|
}());
 |