TC
/
arozos


			
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							<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta name="apple-mobile-web-app-capable" content="yes" />
		<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1"/>
		<meta name="theme-color" content="#4b75ff">
		<link rel="stylesheet" href="../script/semantic/semantic.min.css">
		<script src="../script/jquery.min.js"></script>
		<script src="../script/semantic/semantic.min.js"></script>
		<script src="../script/ao_module.js"></script>
        <title>Camera</title>
        <style>
            body{
                background-color: black;
            }

            .topcontrol{
                position: fixed;
                top: 0px;
                left: 0px;
                width: 100%;
                padding: 8px;
                z-index: 1000;
            }

            .clickable{
                width: 3em;
                cursor: pointer;
            }

            .right-floated{
                position: absolute;
                right: 8px;
                top: 8px;
                display: inline-block;
            }

            .imgwrapper{
                position: fixed;
                top: 0px;
                left: 0px;
                width: 100%;
                height: 100%;
                z-index: 10;
            }
            .imgbox {
                display: grid;
                height: 100%;
                z-index: 10 !important;
            }
            .center-fit {
                max-width: 100%;
                max-height: 100vh;
                margin: auto;
                z-index: 10;
            }
        </style>
    </head>
    <body>
        <div class="topcontrol">
            <div class="clickable" onclick="backToCamera();">
                <img class="ui mini image" src="img/icons/back-arrow.svg"/>
            </div>
            <div class="right-floated">
                <div class="clickable" onclick="openInFolder();" style="display: inline-block;">
                    <img class="ui mini image" src="img/icons/folder.svg"/>
                </div>
                <div class="clickable" onclick="deleteThis();" style="display: inline-block;">
                    <img class="ui mini image" src="img/icons/delete.svg"/>
                </div>
            </div>
        </div>
        <div class="imgwrapper">
            <div class="imgbox">
                <img id="viewpoint" class="center-fit" src='img/place-holder.png'>
            </div>
        </div>
        <script>
            let photoList = [];
            let currentViewingPhoto = 0; //The index of current viewing photo
            let saveTarget = "user:/Photo/DCIM/";
            
            function backToCamera(){
                window.location.href = "index.html";
            }

            $(document).ready(function(){
                //Load the latest image
                ao_module_agirun("Camera/backend/listPhoto.js",{
                    savetarget: saveTarget,
                }, function(data){
                    if (data.error !== undefined || data == ""){
                        //No photo
                    }else{
                        //Load it
                        currentViewingPhoto = 0;
                        photoList = data;
                        $("#viewpoint").attr('src', '../media/?file=' + data[0]);
                    }
                });
            });

            function openInFolder(){
                if (currentViewingPhoto == ""){
                    //Unknown error. open the DCIM folder
                    ao_module_openPath(saveTarget);
                }else{
                    //Open the folder and highlight the picture
                    var filedata = currentViewingPhoto.split("/");
                    var filename = filedata.pop();
                    var fileRoot = filedata.join("/");
                    ao_module_openPath(fileRoot, filename);
                }
                
            }


            function nextPhoto(){
                if (currentViewingPhoto == currentViewingPhoto.length - 1){
                    //Already the last photo
                }else{
                    renderPhotoByPath(currentViewingPhoto + 1);
                }
            }

            function previousPhoto(){
                if (currentViewingPhoto == 0){
                    //Already the firs photo
                }else{
                    renderPhotoByPath(currentViewingPhoto - 1);
                }
                
            }

            function renderPhotoByPath(index){
                if (photoList[index] != undefined){
                    currentViewingPhoto = index;
                    $("#viewpoint").attr('src', '../media/?file=' + photoList[index]);
                }
                
            }

            /*
                Special code to handle swipe left and right
                
            */

            document.addEventListener('touchstart', handleTouchStart, false);        
            document.addEventListener('touchmove', handleTouchMove, false);

            var xDown = null;                                                        
            var yDown = null;

            function getTouches(evt) {
            return evt.touches ||             // browser API
                    evt.originalEvent.touches; // jQuery
            }                                                     

            function handleTouchStart(evt) {
                const firstTouch = getTouches(evt)[0];                                      
                xDown = firstTouch.clientX;                                      
                yDown = firstTouch.clientY;                                      
            };                                                

            function handleTouchMove(evt) {
                if ( ! xDown || ! yDown ) {
                    return;
                }

                var xUp = evt.touches[0].clientX;                                    
                var yUp = evt.touches[0].clientY;

                var xDiff = xDown - xUp;
                var yDiff = yDown - yUp;

                if ( Math.abs( xDiff ) > Math.abs( yDiff ) ) {/*most significant*/
                    if ( xDiff > 0 ) {
                        /* left swipe */ 
                        nextPhoto();
                    } else {
                        /* right swipe */
                        previousPhoto();
                    }                       
                } else {
                    if ( yDiff > 0 ) {
                        /* up swipe */ 
                    } else { 
                        /* down swipe */
                    }                                                                 
                }
                /* reset values */
                xDown = null;
                yDown = null;                                             
            };
        </script>
    </body>
</html>