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gaia/apps/communications/contacts/js/contacts_bulk_delete.js

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+/* globals Contacts, utils, contactsRemover, Promise,
+   Search, ConfirmDialog, Loader */
+'use strict';
+
+var contacts = window.contacts || {};
+
+(function(exports) {
+
+  var cancelled = false;
+
+  /**
+   * Loads the overlay class before showing
+   */
+  function requireOverlay(callback) {
+    Loader.utility('Overlay', callback);
+  }
+
+  // Shows a dialog to confirm the bulk delete
+  var showConfirm = function showConfirm(n) {
+    return new Promise(function doShowConfirm(resolve, reject) {
+      var cancelObject = {
+        title: 'cancel',
+        callback: function onCancel() {
+          ConfirmDialog.hide();
+          reject();
+        }
+      };
+
+      var removeObject = {
+        title: 'delete',
+        isDanger: true,
+        callback: function onRemove() {
+          ConfirmDialog.hide();
+          resolve();
+        }
+      };
+
+      ConfirmDialog.show(null,
+        {'id': 'ContactConfirmDel', 'args': {n: n}}, cancelObject,
+          removeObject);
+    });
+  };
+
+  var doDelete = function doDelete(ids, done) {
+    cancelled = false;
+    var progress = utils.overlay.show('DeletingContacts', 'progressBar');
+    progress.setTotal(ids.length);
+    utils.overlay.showMenu();
+
+    utils.overlay.oncancel = function() {
+      cancelled = true;
+      contactsRemoverObj.finish();
+    };
+
+    var contactsRemoverObj = new contactsRemover();
+    contactsRemoverObj.init(ids, function onInitDone() {
+      contactsRemoverObj.start();
+    });
+
+    contactsRemoverObj.onDeleted = function onDeleted(currentId) {
+      if (window.Search && Search.isInSearchMode()) {
+        Search.invalidateCache();
+        Search.removeContact(currentId);
+      }
+      contacts.List.remove(currentId);
+      progress.update();
+    };
+
+    contactsRemoverObj.onError = function onError() {
+      Contacts.hideOverlay();
+      utils.status.show({
+        id: 'deleteError-general'
+      });
+      contacts.Settings.refresh();
+    };
+
+    contactsRemoverObj.onFinished = function onFinished() {
+      Contacts.hideOverlay();
+      utils.status.show({
+        id: 'DeletedTxt',
+        args: {n: contactsRemoverObj.getDeletedCount()}
+      });
+      contacts.Settings.refresh();
+
+      if (typeof done === 'function') {
+        done();
+      }
+    };
+
+    contactsRemoverObj.onCancelled = contactsRemoverObj.onFinished;
+
+  };
+  // Start the delete of the contacts
+  var performDelete = function performDelete(promise, done) {
+    var self = this;
+    requireOverlay(function onOverlay() {
+      promise.onsuccess = function onSuccess(ids) {
+        showConfirm(ids.length).then(self.doDelete.bind(null, ids, done));
+      };
+    });
+  };
+
+  exports.BulkDelete = {
+    'performDelete': performDelete,
+    'doDelete': doDelete
+  };
+
+})(window);