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gaia/apps/ftu/js/memcard_manager.js

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+/* global ConfirmDialog,
+          UIManager,
+          utils,
+          VCFReader */
+
+/* exported SdManager */
+
+'use strict';
+
+var SdManager = {
+  available: function() {
+    return utils.sdcard.checkStorageCard();
+  },
+
+  checkSDButton: function sm_checkSDButton() {
+    var sdOption = UIManager.sdImportButton;
+    // If there is an unlocked SD we activate import from SD
+    if (!SdManager.alreadyImported && SdManager.available()) {
+      sdOption.removeAttribute('disabled');
+      UIManager.noMemorycard.classList.add('hidden');
+    } else {
+      sdOption.setAttribute('disabled', 'disabled');
+      if (!SdManager.alreadyImported) {
+        UIManager.noMemorycard.classList.remove('hidden');
+      }
+    }
+  },
+
+  importContacts: function sm_importContacts() {
+    var importedContacts = 0;
+
+    UIManager.navBar.setAttribute('aria-disabled', 'true');
+
+    var cancelled = false;
+    var importer = null;
+    var importButton;
+
+    var progress = utils.overlay.show(
+      'memoryCardContacts-importing',
+      'activityBar',
+      'infiniteProgress'
+    );
+    utils.overlay.showMenu();
+
+    return new Promise((resolve, reject) => {
+      utils.overlay.oncancel = () => {
+        cancelled = true;
+        if (importer) {
+          importer.finish();
+        } else {
+          UIManager.navBar.removeAttribute('aria-disabled');
+          utils.overlay.hide();
+        }
+        resolve();
+      };
+
+      importButton = UIManager.sdImportButton;
+
+      utils.sdcard.retrieveFiles([
+        'text/vcard',
+        'text/directory;profile=vCard',
+        'text/directory'
+      ], ['vcf', 'vcard'], (error, fileArray) => {
+        if (!error && !fileArray.length) {
+          error = 'No contacts were found';
+        }
+
+        if (error) {
+          reject(error);
+          return import_error(error);
+        }
+
+        if (cancelled) {
+          resolve();
+          return;
+        }
+
+        var promises = [];
+        fileArray.forEach(file => {
+          promises.push(utils.sdcard.getTextFromFile(file, onContacts));
+        });
+
+        Promise.all(promises).then(() => {
+          utils.misc.setTimestamp('sd');
+          UIManager.navBar.removeAttribute('aria-disabled');
+          utils.overlay.hide();
+          if (cancelled) {
+            resolve();
+            return;
+          }
+          SdManager.alreadyImported = true;
+          importButton.setAttribute('disabled', 'disabled');
+          utils.status.show({
+            id: 'memoryCardContacts-imported3',
+            args: { n: importedContacts }
+          });
+          resolve();
+        }).catch(reject);
+      });
+    });
+
+    function onContacts(text) {
+      if (cancelled) {
+        return Promise.reject();
+      }
+      return new Promise((resolve, reject) => {
+        importer = new VCFReader(text);
+
+        if (!text || !importer) {
+          var error = 'No contacts were found';
+          import_error(error);
+          reject(error);
+          return;
+        }
+
+        importer.onimported = imported_contact;
+        importer.onerror = error => {
+          import_error(error);
+          reject(error);
+        };
+
+        importer.process(() => {
+          if (cancelled) {
+            reject('Cancelled');
+            utils.overlay.hide();
+            return;
+          }
+          resolve();
+        });
+      });
+    }
+
+    function imported_contact() {
+      importedContacts++;
+      progress.update();
+    }
+
+    function import_error(e) {
+      UIManager.navBar.removeAttribute('aria-disabled');
+      utils.overlay.hide();
+      // Just in case the user decides to do so later
+      importButton.removeAttribute('disabled');
+
+      // Showing error message allowing user to retry
+      var cancel = {
+        title: 'cancel',
+        callback: function() {
+          ConfirmDialog.hide();
+        }
+      };
+
+      var retry = {
+        title: 'retry',
+        isRecommend: true,
+        callback: function() {
+          ConfirmDialog.hide();
+          // And now the action is reproduced one more time
+          importButton.click();
+        }
+      };
+      ConfirmDialog.show(null, 'memoryCardContacts-error', cancel, retry);
+    }
+  }
+};