zoneminder/web/skins/classic/js/skin.js

//
// ZoneMinder base static javascript file, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//

//
// This file should only contain static JavaScript and no php.
// Use skin.js.php for JavaScript that need pre-processing
//

var popupOptions = "resizable,scrollbars,status=no";

function checkSize() {
    if (window.outerHeight) {
        var w = window.outerWidth;
        var prevW = w;
        var h = window.outerHeight;
        var prevH = h;
        if (h > screen.availHeight)
            h = screen.availHeight;
        if (w > screen.availWidth)
            w = screen.availWidth;
        if (w != prevW || h != prevH)
            window.resizeTo(w, h);
    }
}

// Deprecated
function newWindow( url, name, width, height )
{
    var windowId = window.open( url, name, popupOptions+",width="+width+",height="+height );
}

function getPopupSize( tag, width, height )
{
    var popupSize = Object.clone( popupSizes[tag] );
    if ( !popupSize )
    {
        Error( "Can't find window size for tag '"+tag+"'" );
        return( { 'width': 0, 'height': 0 } );
    }
    if ( popupSize.width && popupSize.height )
    {
        if ( width || height )
            Warning( "Ignoring passed dimensions "+width+"x"+height+" when getting popup size for tag '"+tag+"'" );
        return( popupSize );
    }
    if ( popupSize.addWidth )
    {
        popupSize.width = popupSize.addWidth;
        if ( !width )
            Error( "Got addWidth but no passed width when getting popup size for tag '"+tag+"'" );
        else
            popupSize.width += parseInt(width);
    }
    else if ( width )
    {
        popupSize.width = width;
        Error( "Got passed width but no addWidth when getting popup size for tag '"+tag+"'" );
    }
    if ( popupSize.minWidth && popupSize.width < popupSize.minWidth )
    {
        Warning( "Adjusting to minimum width when getting popup size for tag '"+tag+"'" );
        popupSize.width = popupSize.minWidth;
    }
    if ( popupSize.addHeight )
    {
        popupSize.height = popupSize.addHeight;
        if ( !height )
            Error( "Got addHeight but no passed height when getting popup size for tag '"+tag+"'" );
        else
            popupSize.height += parseInt(height);
    }
    else if ( height )
    {
        popupSize.height = height;
        Error( "Got passed height but no addHeight when getting popup size for tag '"+tag+"'" );
    }
    if ( popupSize.minHeight && popupSize.height < popupSize.minHeight )
    {
        Warning( "Adjusting to minimum height when getting popup size for tag '"+tag+"'" );
        popupSize.height = popupSize.minHeight;
    }
    Debug( popupSize );
    return( popupSize );
}

function zmWindow()
{
    var zmWin = window.open( 'http://www.zoneminder.com', 'ZoneMinder' );
    if ( ! zmWin ) {
      // if popup blocking is enabled, the popup won't be defined.
      console.log("Please disable popup blocking.");
    } else {
      zmWin.focus();
    }
}

function createPopup( url, name, tag, width, height )
{
    var popupSize = getPopupSize( tag, width, height );
    var popupDimensions = "";
    if ( popupSize.width > 0 )
        popupDimensions += ",width="+popupSize.width;
    if ( popupSize.height > 0 )
        popupDimensions += ",height="+popupSize.height;
    var popup = window.open( url, name, popupOptions+popupDimensions );
    if ( ! popup ) {
      // if popup blocking is enabled, the popup won't be defined.
      console.log("Please disable popup blocking.");
    } else {
      popup.focus();
    }
}

function createEventPopup( eventId, eventFilter, width, height )
{
    var url = '?view=event&eid='+eventId;
    if ( eventFilter )
        url += eventFilter;
    var name = 'zmEvent';
    var popupSize = getPopupSize( 'event', width, height );
    var popup = window.open( url, name, popupOptions+",width="+popupSize.width+",height="+popupSize.height );
    if ( ! popup ) {
      // if popup blocking is enabled, the popup won't be defined.
      console.log("Please disable popup blocking.");
    } else {
      popup.focus();
    }
}

function createFramesPopup( eventId, width, height )
{
    var url = '?view=frames&eid='+eventId;
    var name = 'zmFrames';
    var popupSize = getPopupSize( 'frames', width, height );
    var popup = window.open( url, name, popupOptions+",width="+popupSize.width+",height="+popupSize.height );
    if ( ! popup ) {
      // if popup blocking is enabled, the popup won't be defined.
      console.log("Please disable popup blocking.");
    } else {
      popup.focus();
    }
}

function createFramePopup( eventId, frameId, width, height )
{
    var url = '?view=frame&eid='+eventId+'&fid='+frameId;
    var name = 'zmFrame';
    var popupSize = getPopupSize( 'frame', width, height );
    var popup = window.open( url, name, popupOptions+",width="+popupSize.width+",height="+popupSize.height );
    if ( ! popup ) {
      // if popup blocking is enabled, the popup won't be defined.
      console.log("Please disable popup blocking.");
    } else {
      popup.focus();
    }
}

function windowToFront()
{
    top.window.focus();
}

function closeWindow()
{
    top.window.close();
}

function refreshWindow()
{
    window.location.reload( true );
}

function refreshParentWindow()
{
    if ( window.opener )
        window.opener.location.reload( true );
}

//Shows a message if there is an error in the streamObj or the stream doesn't exist.  Returns true if error, false otherwise.
function checkStreamForErrors( funcName, streamObj )
{
    if ( !streamObj )
    {
        Error( funcName+": stream object was null" );
        return true;
    }
    if ( streamObj.result == "Error" )
    {
        Error( funcName+" stream error: "+streamObj.message );
        return true;
    }
    return false;
}

function secsToTime( seconds )
{
    var timeString = "--";
    if ( seconds < 60 )
        timeString = seconds.toString();
    else if ( seconds < 60*60 )
    {
        var timeMins = parseInt(seconds/60);
        var timeSecs = seconds%60;
        if ( timeSecs < 10 )
            timeSecs = '0'+timeSecs.toString().substr( 0, 4 );
        else
            timeSecs = timeSecs.toString().substr( 0, 5 );
        timeString = timeMins+":"+timeSecs;
    }
    else
    {
        var timeHours = parseInt(seconds/3600);
        var timeMins = (seconds%3600)/60;
        var timeSecs = seconds%60;
        if ( timeMins < 10 )
            timeMins = '0'+timeMins.toString().substr( 0, 4 );
        else
            timeMins = timeMins.toString().substr( 0, 5 );
        if ( timeSecs < 10 )
            timeSecs = '0'+timeSecs.toString().substr( 0, 4 );
        else
            timeSecs = timeSecs.toString().substr( 0, 5 );
        timeString = timeHours+":"+timeMins+":"+timeSecs;
    }
    return( timeString );
}

function submitTab( tab )
{
    var form = $('contentForm');
    form.action.value = "";
    form.tab.value = tab;
    form.submit();
}

function configureDeleteButton( element )
{
    var form = element.form;
    var checked = element.checked;
    if ( !checked )
    {
        for ( var i = 0; i < form.elements.length; i++ )
        {
            if ( form.elements[i].name == element.name )
            {
                if ( form.elements[i].checked )
                {
                    checked = true;
                    break;
                }
            }
        }
    }
    form.deleteBtn.disabled = !checked;
}

function confirmDelete( message )
{
    return( confirm( message?message:'Are you sure you wish to delete?' ) );
}

if ( refreshParent )
{
    refreshParentWindow();
}

if ( focusWindow )
{
    windowToFront();
}
window.addEvent( 'domready', checkSize);

function convertLabelFormat(LabelFormat, monitorName){
	//convert label format from strftime to moment's format (modified from
	//https://raw.githubusercontent.com/benjaminoakes/moment-strftime/master/lib/moment-strftime.js
	//added %f and %N below (TODO: add %Q)
	var replacements = { a: 'ddd', A: 'dddd', b: 'MMM', B: 'MMMM', d: 'DD', e: 'D', F: 'YYYY-MM-DD', H: 'HH', I: 'hh', j: 'DDDD', k: 'H', l: 'h', m: 'MM', M: 'mm', p: 'A', S: 'ss', u: 'E', w: 'd', W: 'WW', y: 'YY', Y: 'YYYY', z: 'ZZ', Z: 'z', 'f': 'SS', 'N': "["+monitorName+"]", '%': '%' };
	var momentLabelFormat = Object.keys(replacements).reduce(function (momentFormat, key) {
	      var value = replacements[key];
	      return momentFormat.replace("%" + key, value);
	}, LabelFormat);
	return momentLabelFormat;
}

function addVideoTimingTrack(video, LabelFormat, monitorName, duration, startTime){
	var labelFormat = convertLabelFormat(LabelFormat, monitorName);
	var webvttformat = 'HH:mm:ss.SSS', webvttdata="WEBVTT\n\n";

	startTime = moment(startTime);

	var seconds = moment({s:0}), endduration = moment({s:duration});
	while(seconds.isBefore(endduration)){
		webvttdata += seconds.format(webvttformat) + " --> ";
		seconds.add(1,'s');
		webvttdata += seconds.format(webvttformat) + "\n";
		webvttdata += startTime.format(labelFormat) + "\n\n";
		startTime.add(1, 's');
	}
	var track = document.createElement('track');
	track.kind = "captions";
	track.srclang = "en";
	track.label = "English";
	track['default'] = true;
	track.src = 'data:plain/text;charset=utf-8,'+encodeURIComponent(webvttdata);
	video.appendChild(track);
}