Function switchToTab

wvbrowser_ui/controls_ui/tabs.js:47–97

(id, updateOnHost)

}

function switchToTab(id, updateOnHost) {
    if (!id) {
        console.log('ID not provided');
        return;
    }

    // Check the tab to switch to is valid
    if (!isValidTabId(id)) {
        return;
    }

    // No need to switch if the tab is already active
    if (id == activeTabId) {
        return;
    }

    // Get the tab element to switch to
    var tab = document.getElementById(`tab-${id}`);
    if (!tab) {
        console.log(`Can't switch to tab ${id}: element does not exist`);
        return;
    }

    // Change the style for the previously active tab
    if (isValidTabId(activeTabId)) {
        const activeTabElement = document.getElementById(`tab-${activeTabId}`);

        // Check the previously active tab element does actually exist
        if (activeTabElement) {
            activeTabElement.className = 'tab';
        }
    }

    // Set tab as active
    tab.className = 'tab-active';
    activeTabId = id;

    // Instruct host app to switch tab
    if (updateOnHost) {
        var message = {
            message: commands.MG_SWITCH_TAB,
            args: {
                tabId: parseInt(activeTabId)
            }
        };

        window.chrome.webview.postMessage(message);
    }

    updateNavigationUI(commands.MG_SWITCH_TAB);
}

function closeTab(id) {
    // If closing tab was active, switch tab or close window