[Payment Request] Payment request summary view pending state

ios/chrome/browser/payments/payment_request_view_controller.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/payments/payment_request_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
 #include "components/payments/currency_formatter.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/payments/cells/page_info_item.h"
 #import "ios/chrome/browser/payments/cells/payment_method_item.h"
 #import "ios/chrome/browser/payments/cells/price_item.h"
 #import "ios/chrome/browser/payments/cells/shipping_address_item.h"
 #import "ios/chrome/browser/payments/payment_request_util.h"
+#import "ios/chrome/browser/ui/autofill/cells/status_item.h"
 #import "ios/chrome/browser/ui/collection_view/cells/MDCCollectionViewCell+Chrome.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_detail_item.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_text_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #include "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
@@ skipping 21 matching lines @@
 
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierSummary = kSectionIdentifierEnumZero,
   SectionIdentifierShipping,
   SectionIdentifierPayment,
 
 };
 
 typedef NS_ENUM(NSInteger, ItemType) {
   ItemTypeSummaryPageInfo = kItemTypeEnumZero,
+  ItemTypeSpinner,
   ItemTypeSummaryTotal,
   ItemTypeShippingTitle,
   ItemTypeShippingAddress,
   ItemTypeAddShippingAddress,
   ItemTypeShippingOption,
   ItemTypeSelectShippingOption,
   ItemTypePaymentTitle,
   ItemTypePaymentMethod,
   ItemTypeAddPaymentMethod,
 };
@@ skipping 21 matching lines @@
 // Called when the user presses the confirm button.
 - (void)onConfirm;
 
 @end
 
 @implementation PaymentRequestViewController
 
 @synthesize pageFavicon = _pageFavicon;
 @synthesize pageTitle = _pageTitle;
 @synthesize pageHost = _pageHost;
+@synthesize pending = _pending;
 @synthesize delegate = _delegate;
 
 - (instancetype)initWithPaymentRequest:(PaymentRequest*)paymentRequest {
   DCHECK(paymentRequest);
   if ((self = [super initWithStyle:CollectionViewControllerStyleAppBar])) {
     [self setTitle:l10n_util::GetNSString(IDS_IOS_PAYMENT_REQUEST_TITLE)];
 
     // Set up left (cancel) button.
     _cancelButton = [[UIBarButtonItem alloc]
         initWithTitle:l10n_util::GetNSString(
@@ skipping 69 matching lines @@
   // Summary section.
   [model addSectionWithIdentifier:SectionIdentifierSummary];
 
   PageInfoItem* pageInfo =
       [[PageInfoItem alloc] initWithType:ItemTypeSummaryPageInfo];
   pageInfo.pageFavicon = _pageFavicon;
   pageInfo.pageTitle = _pageTitle;
   pageInfo.pageHost = _pageHost;
   [model setHeader:pageInfo forSectionWithIdentifier:SectionIdentifierSummary];
 
+  if (_pending) {
+    [_payButton setEnabled:NO];
+    [_cancelButton setEnabled:NO];
+
+    StatusItem* statusItem = [[StatusItem alloc] initWithType:ItemTypeSpinner];
+    statusItem.text = l10n_util::GetNSString(IDS_PAYMENTS_PROCESSING_MESSAGE);
+    [model addItem:statusItem toSectionWithIdentifier:SectionIdentifierSummary];
+    return;
+  }
+
   _paymentSummaryItem = [[PriceItem alloc] initWithType:ItemTypeSummaryTotal];
   [self fillPaymentSummaryItem:_paymentSummaryItem
                withPaymentItem:_paymentRequest->payment_details().total
          withTotalValueChanged:NO];
   if (!_paymentRequest->payment_details().display_items.empty()) {
     _paymentSummaryItem.accessoryType =
         MDCCollectionViewCellAccessoryDisclosureIndicator;
     _paymentSummaryItem.accessibilityTraits |= UIAccessibilityTraitButton;
   }
   [model addItem:_paymentSummaryItem
@@ skipping 247 matching lines @@
   }
 }
 
 #pragma mark MDCCollectionViewStylingDelegate
 
 - (CGFloat)collectionView:(UICollectionView*)collectionView
     cellHeightAtIndexPath:(NSIndexPath*)indexPath {
   CollectionViewItem* item =
       [self.collectionViewModel itemAtIndexPath:indexPath];
   switch (item.type) {
+    case ItemTypeSpinner:
     case ItemTypeShippingAddress:
     case ItemTypePaymentMethod:
       return [MDCCollectionViewCell
           cr_preferredHeightForWidth:CGRectGetWidth(collectionView.bounds)
                              forItem:item];
     case ItemTypeShippingOption:
       return MDCCellDefaultTwoLineHeight;
     case ItemTypeSummaryPageInfo:
     case ItemTypeSummaryTotal:
     case ItemTypeShippingTitle:
@@ skipping 15 matching lines @@
   NSInteger type = [self.collectionViewModel itemTypeForIndexPath:indexPath];
   if (type == ItemTypeSummaryTotal &&
       _paymentRequest->payment_details().display_items.empty()) {
     return YES;
   } else {
     return NO;
   }
 }
 
 @end