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gaia/apps/fl/js/utils.js

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+'use strict';
+
+/* global DEBUG */
+/* exported
+  $,
+  debug,
+  showDialog */
+
+function debug(...args) {
+  if (!DEBUG) {
+    return;
+  }
+  if (!debug.startTime) {
+    debug.startTime = Date.now();
+  }
+  args.unshift('[Locked Content]', Date.now() - debug.startTime);
+  console.log.apply(console, args);
+}
+
+function $(id) { return document.getElementById(id); }
+
+function _(id, args) {
+  return navigator.mozL10n.get(id, args);
+}
+
+// Show a dialog with one or two buttons
+function showDialog(options) {
+
+  function close(e) {
+    document.body.removeChild(dialog);
+    e.preventDefault();
+    e.stopPropagation();
+  }
+
+  var cancelButton;
+  var okButton;
+
+  var dialog = document.createElement('form');
+  dialog.setAttribute('role', 'dialog');
+  dialog.dataset.type = 'confirm';
+  var section = document.createElement('section');
+  dialog.appendChild(section);
+
+  // Display an optional title
+  if (options.title) {
+    var title = document.createElement('h1');
+    title.textContent = options.title;
+    section.appendChild(title);
+  }
+
+  // Display the dialog message
+  var msg = document.createElement('p');
+  msg.textContent = options.message;
+  section.appendChild(msg);
+
+  // If there are details, display those in a separate, smaller paragraph
+  if (options.details) {
+    var details = document.createElement('p');
+    var small = document.createElement('small');
+    small.textContent = options.details;
+    details.appendChild(small);
+    section.appendChild(details);
+  }
+
+  // Now the buttons
+  var menu = document.createElement('menu');
+  dialog.appendChild(menu);
+
+  // Add the cancel button if there is one
+  if (options.cancelCallback) {
+    cancelButton = document.createElement('button');
+    menu.appendChild(cancelButton);
+    cancelButton.textContent = options.cancelText || _('cancel');
+    cancelButton.onclick = function(e) {
+      close(e);
+      options.cancelCallback();
+    };
+  }
+
+  if (options.okCallback) {
+    okButton = document.createElement('button');
+    menu.appendChild(okButton);
+    okButton.textContent = options.okText || _('ok');
+    if (options.danger) {
+      okButton.classList.add('danger');      // scary red color
+    }
+    else if (!options.cancelCallback) {
+      okButton.classList.add('recommend');   // default safe color
+    }
+    okButton.onclick = function(e) {
+      close(e);
+      options.okCallback();
+    };
+  }
+
+  // If there is only one button, make it full-size
+  if (okButton && !cancelButton) {
+    okButton.classList.add('full');
+  }
+  if (cancelButton && !okButton) {
+    cancelButton.classList.add('full');
+  }
+
+  // show the dialog
+  document.body.appendChild(dialog);
+}