open: function()

in src/browser/InAppBrowserProxy.js [76:200]
87 lines of code
10 McCabe index (conditional complexity)

    open: function (win, lose, args) {
        var strUrl = args[0];
        var target = args[1];
        var features = args[2];

        IAB._win = win;

        if (target === '_self' || !target) {
            window.location = strUrl;
        } else if (target === '_system') {
            modulemapper.getOriginalSymbol(window, 'window.open').call(window, strUrl, '_blank');
        } else {
            // "_blank" or anything else
            if (!browserWrap) {
                browserWrap = document.createElement('div');
                browserWrap.style.position = 'absolute';
                browserWrap.style.top = '0';
                browserWrap.style.left = '0';
                browserWrap.style.boxSizing = 'border-box';
                browserWrap.style.borderWidth = '40px';
                browserWrap.style.width = '100vw';
                browserWrap.style.height = '100vh';
                browserWrap.style.borderStyle = 'solid';
                browserWrap.style.borderColor = 'rgba(0,0,0,0.25)';

                browserWrap.onclick = function () {
                    setTimeout(function () {
                        IAB.close();
                    }, 0);
                };

                document.body.appendChild(browserWrap);
            }

            if (features.indexOf('hidden=yes') !== -1) {
                browserWrap.style.display = 'none';
            }

            popup = document.createElement('iframe');
            popup.style.borderWidth = '0px';
            popup.style.width = '100%';

            browserWrap.appendChild(popup);

            if (features.indexOf('location=yes') !== -1 || features.indexOf('location') === -1) {
                popup.style.height = 'calc(100% - 60px)';
                popup.style.marginBottom = '-4px';

                navigationButtonsDiv = document.createElement('div');
                navigationButtonsDiv.style.height = '60px';
                navigationButtonsDiv.style.backgroundColor = '#404040';
                navigationButtonsDiv.style.zIndex = '999';
                navigationButtonsDiv.onclick = function (e) {
                    e.cancelBubble = true;
                };

                navigationButtonsDivInner = document.createElement('div');
                navigationButtonsDivInner.style.paddingTop = '10px';
                navigationButtonsDivInner.style.height = '50px';
                navigationButtonsDivInner.style.width = '160px';
                navigationButtonsDivInner.style.margin = '0 auto';
                navigationButtonsDivInner.style.backgroundColor = '#404040';
                navigationButtonsDivInner.style.zIndex = '999';
                navigationButtonsDivInner.onclick = function (e) {
                    e.cancelBubble = true;
                };

                backButton = document.createElement('button');
                backButton.style.width = '40px';
                backButton.style.height = '40px';
                backButton.style.borderRadius = '40px';

                backButton.innerHTML = '←';
                backButton.addEventListener('click', function (e) {
                    if (popup.canGoBack) {
                        popup.goBack();
                    }
                });

                forwardButton = document.createElement('button');
                forwardButton.style.marginLeft = '20px';
                forwardButton.style.width = '40px';
                forwardButton.style.height = '40px';
                forwardButton.style.borderRadius = '40px';

                forwardButton.innerHTML = '→';
                forwardButton.addEventListener('click', function (e) {
                    if (popup.canGoForward) {
                        popup.goForward();
                    }
                });

                closeButton = document.createElement('button');
                closeButton.style.marginLeft = '20px';
                closeButton.style.width = '40px';
                closeButton.style.height = '40px';
                closeButton.style.borderRadius = '40px';

                closeButton.innerHTML = '✖';
                closeButton.addEventListener('click', function (e) {
                    setTimeout(function () {
                        IAB.close();
                    }, 0);
                });

                // iframe navigation is not yet supported
                backButton.disabled = true;
                forwardButton.disabled = true;

                navigationButtonsDivInner.appendChild(backButton);
                navigationButtonsDivInner.appendChild(forwardButton);
                navigationButtonsDivInner.appendChild(closeButton);
                navigationButtonsDiv.appendChild(navigationButtonsDivInner);

                browserWrap.appendChild(navigationButtonsDiv);
            } else {
                popup.style.height = '100%';
            }

            // start listening for navigation events
            attachNavigationEvents(popup, win);

            popup.src = strUrl;
        }
    },