MobileApp/www/views/app.html

<iframe id="appframe" src="views/appspinner.html" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0px;"></iframe>

<script src="js/material-palette.js"></script>
<script>
    /**
     * Open an app with native Android UI elements
     * @param String id Application ID
     * @param String api Path to the mobile API
     * @param String url Base URL of the app
     * @param String icon URL to the app icon
     * @param String title Friendly app name
     * @param boolean injectcode (optional, default true) Whether or not to inject UI modification code into the app
     * @param boolean shownavbar (optional, default false) Whether or not to show the navbar at the top of the screen.
     * @returns {undefined}
     */
    function launchapp(id, api, url, icon, title, injectcode, shownavbar) {
        if (typeof shownavbar === 'undefined' || shownavbar === false) {
            setnavbar(false);
        } else {
            setnavbar("app", title);
            $('#appframe').css('top', '75px');
        }
        $.post(url + api, {
            username: localStorage.getItem("username"),
            key: localStorage.getItem("key"),
            password: localStorage.getItem("password"),
            action: "start_session"
        }, function (data) {
            if (data.status === 'OK') {
                if (typeof injectcode === 'undefined' || injectcode === true) {
                    $('#appframe').on("load", function () {
                        $.get("css/sidemenu.css", function (style) {
                            $('#appframe').contents().find('head').append("<style>" + style + "</style>");
                            $.get("js/sidemenu.js", function (script) {
                                script = script.replace("%%JQUERYFXOFF%%", !(localStorage.getItem("animations") === null || localStorage.getItem("animations") === "true"));
                                script = script.replace("%%USERNAME%%", userinfo.realname);
                                script = script.replace("%%LOGO%%", icon);
                                $('#appframe').contents().find('body').append("<script>" + script + "<\/script>");
                            });
                        });
                    });
                } else {
                    // Only inject minimal CSS
                    $('#appframe').on("load", function () {
                        $.get("css/inject_mini.css", function (style) {
                            $('#appframe').contents().find('head').append("<style>" + style + "</style>");
                        });
                    });
                }
                $('#appframe').attr('src', url);
            } else {
                navigator.notification.alert(data.msg, null, "Error", 'Dismiss');
                openscreen("home");
            }
        }, "json").fail(function () {
            navigator.notification.alert("Could not connect to the server.  Try again later.", null, "Error", 'Dismiss');
            openscreen("home");
        });
    }
    
    var scanningactive = false;
    window.addEventListener('message', function (event) {
        console.log("app event: " + event.data);
        if (event.data == "quit") {
            openscreen("home");
        } else if (event.data.startsWith("setcolor ")) {
            var color = event.data.split(" ", 2)[1];
            if (cordova.platformId == 'android') {
                window.plugins.headerColor.tint(color);
                for (var swatch in _PALETTE) {
                    if (color == _PALETTE[swatch]["shade_500"]) {
                        StatusBar.backgroundColorByHexString(_PALETTE[swatch]["shade_700"]);
                        return;
                    }
                }
            } else {
                StatusBar.backgroundColorByHexString(color);
            }
        } else if (event.data.startsWith("scancode ")) {
            var callbackcode = event.data.split(" ").slice(1).join(" ");
            console.log("got scancode " + callbackcode);
            try {
                if (scanningactive) {
                    console.log("Scanner already active, ignoring request.");
                    return;
                }
                scanningactive = true;
                cordova.plugins.barcodeScanner.scan(
                        function (result) {
                            scanningactive = false;
                            if (!result.cancelled) {
                                var iframe = document.getElementById("appframe");
                                iframe.contentWindow.postMessage("coderesult~|~" + callbackcode + "~|~" + result.text, "*");
                            }
                        },
                        function (error) {
                            scanningactive = false;
                            navigator.notification.alert("Scanning failed: " + error, null, "Error", 'Dismiss');
                        },
                        {
                            "showFlipCameraButton": true,
                            "prompt": "Scan Code"
                        }
                );
            } catch (ex) {
                scanningactive = false;
                navigator.notification.alert(ex.message, null, "Error", 'Dismiss');
            }
        }
    }, false);

    if (userinfo == null) {
        getuserinfo();
    }
</script>