Adding new shipping address editor view to payment flow.

chrome/browser/ui/views/payments/shipping_address_editor_view_controller.cc

+// Copyright 2017 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.
+
+#include "chrome/browser/ui/views/payments/shipping_address_editor_view_controller.h"
+
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/location.h"
+#include "base/memory/ptr_util.h"
+#include "base/single_thread_task_runner.h"
+#include "base/strings/string16.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "chrome/browser/autofill/validation_rules_storage_factory.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/views/payments/payment_request_dialog_view.h"
+#include "chrome/browser/ui/views/payments/validating_combobox.h"
+#include "chrome/browser/ui/views/payments/validating_textfield.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/autofill/core/browser/autofill_address_util.h"
+#include "components/autofill/core/browser/autofill_country.h"
+#include "components/autofill/core/browser/autofill_type.h"
+#include "components/autofill/core/browser/country_combobox_model.h"
+#include "components/autofill/core/browser/field_types.h"
+#include "components/autofill/core/browser/personal_data_manager.h"
+#include "components/autofill/core/browser/region_combobox_model.h"
+#include "components/autofill/core/browser/validation.h"
+#include "components/autofill/core/common/autofill_constants.h"
+#include "components/payments/content/payment_request_state.h"
+#include "content/public/browser/web_contents.h"
+#include "third_party/libaddressinput/chromium/chrome_metadata_source.h"
+#include "third_party/libaddressinput/chromium/chrome_storage_impl.h"
+#include "third_party/libaddressinput/messages.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/views/controls/textfield/textfield.h"
+
+namespace payments {
+
+namespace {
+
+// Converts a field type in string format as returned by
+// autofill::GetAddressComponents into the appropriate autofill::ServerFieldType
+// enum.
+autofill::ServerFieldType GetFieldTypeFromString(const std::string& type) {
+  if (type == autofill::kFullNameField)
+    return autofill::NAME_FULL;
+  if (type == autofill::kCompanyNameField)
+    return autofill::COMPANY_NAME;
+  if (type == autofill::kAddressLineField)
+    return autofill::ADDRESS_HOME_STREET_ADDRESS;
+  if (type == autofill::kDependentLocalityField)
+    return autofill::ADDRESS_HOME_DEPENDENT_LOCALITY;
+  if (type == autofill::kCityField)
+    return autofill::ADDRESS_HOME_CITY;
+  if (type == autofill::kStateField)
+    return autofill::ADDRESS_HOME_STATE;
+  if (type == autofill::kPostalCodeField)
+    return autofill::ADDRESS_HOME_ZIP;
+  if (type == autofill::kSortingCodeField)
+    return autofill::ADDRESS_HOME_SORTING_CODE;
+  if (type == autofill::kCountryField)
+    return autofill::ADDRESS_HOME_COUNTRY;
+  NOTREACHED();
+  return autofill::UNKNOWN_TYPE;
+}
+
+}  // namespace
+
+ShippingAddressEditorViewController::ShippingAddressEditorViewController(
+    PaymentRequestSpec* spec,
+    PaymentRequestState* state,
+    PaymentRequestDialogView* dialog)
+    : EditorViewController(spec, state, dialog) {
+  UpdateEditorFields();
+}
+
+ShippingAddressEditorViewController::~ShippingAddressEditorViewController() {}
+
+std::unique_ptr<views::View>
+ShippingAddressEditorViewController::CreateHeaderView() {
+  return base::MakeUnique<views::View>();
+}
+
+int ShippingAddressEditorViewController::GetViewHeaderTitleId() const {
+  return IDS_PAYMENT_REQUEST_ADDRESS_EDITOR_ADD_TITLE;
+}
+
+std::vector<EditorField>
+ShippingAddressEditorViewController::GetFieldDefinitions() {
+  return editor_fields_;
+}
+
+bool ShippingAddressEditorViewController::ValidateModelAndSave() {
+  autofill::AutofillProfile profile;
+  profile.set_origin(autofill::kSettingsOrigin);
+  for (const auto& field : text_fields()) {
+    // Force a blur in case the value was left untouched.
+    field.first->OnBlur();
+    // ValidatingTextfield* is the key, EditorField is the value.
+    if (field.first->invalid())
+      return false;
+
+    profile.SetRawInfo(field.second.type, field.first->text());
+  }
+  for (const auto& field : comboboxes()) {
+    // ValidatingCombobox* is the key, EditorField is the value.
+    ValidatingCombobox* combobox = field.first;
+    if (combobox->invalid())
+      return false;
+
+    if (combobox->id() == autofill::ADDRESS_HOME_COUNTRY) {
+      profile.SetRawInfo(
+          field.second.type,
+          base::UTF8ToUTF16(country_codes_[combobox->selected_index()]));
+    } else {
+      profile.SetRawInfo(field.second.type,
+                         combobox->GetTextForRow(combobox->selected_index()));
+    }
+  }
+
+  // Add the profile (will not add a duplicate).
+  state()->GetPersonalDataManager()->AddProfile(profile);
+
+  return true;
+}
+
+std::unique_ptr<ValidationDelegate>
+ShippingAddressEditorViewController::CreateValidationDelegate(
+    const EditorField& field) {
+  return base::MakeUnique<
+      ShippingAddressEditorViewController::ShippingAddressValidationDelegate>(
+      this, field);
+}
+
+std::unique_ptr<ui::ComboboxModel>
+ShippingAddressEditorViewController::GetComboboxModelForType(
+    const autofill::ServerFieldType& type) {
+  switch (type) {
+    case autofill::ADDRESS_HOME_COUNTRY: {
+      std::unique_ptr<autofill::CountryComboboxModel> model =
+          base::MakeUnique<autofill::CountryComboboxModel>();
+      model->SetCountries(*state()->GetPersonalDataManager(),
+                          base::Callback<bool(const std::string&)>(),
+                          state()->GetApplicationLocale());
+      country_codes_.clear();
+      for (size_t i = 0; i < model->countries().size(); ++i) {
+        if (model->countries()[i].get())
+          country_codes_.push_back(model->countries()[i]->country_code());
+        else
+          country_codes_.push_back("");  // Separator.
+      }
+      return std::unique_ptr<ui::ComboboxModel>(model.release());
+    }
+    case autofill::ADDRESS_HOME_STATE: {
+      return std::unique_ptr<
+          ui::ComboboxModel>(new autofill::RegionComboboxModel(
+          base::WrapUnique(new autofill::ChromeMetadataSource(
+              I18N_ADDRESS_VALIDATION_DATA_URL,
+              state()->GetPersonalDataManager()->GetURLRequestContextGetter())),
+          autofill::ValidationRulesStorageFactory::CreateStorage(),
+          state()->GetApplicationLocale(),
+          country_codes_[chosen_country_index_]));
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+  return std::unique_ptr<ui::ComboboxModel>();
+}
+
+void ShippingAddressEditorViewController::OnPerformAction(
+    views::Combobox* sender) {
+  EditorViewController::OnPerformAction(sender);
+  if (sender->id() != autofill::ADDRESS_HOME_COUNTRY)
+    return;
+  DCHECK_GE(sender->selected_index(), 0);
+  if (chosen_country_index_ != static_cast<size_t>(sender->selected_index())) {
+    chosen_country_index_ = sender->selected_index();
+    OnCountryChanged(sender);
+  }
+}
+
+void ShippingAddressEditorViewController::UpdateEditorView() {
+  EditorViewController::UpdateEditorView();
+  if (chosen_country_index_ > 0UL) {
+    views::Combobox* country_combo_box = static_cast<views::Combobox*>(
+        dialog()->GetViewByID(autofill::ADDRESS_HOME_COUNTRY));
+    DCHECK(country_combo_box);
+    country_combo_box->SetSelectedIndex(chosen_country_index_);
+  }
+}
+
+void ShippingAddressEditorViewController::UpdateEditorFields() {
+  editor_fields_.clear();
+  std::string chosen_country_code;
+  if (chosen_country_index_ < country_codes_.size())
+    chosen_country_code = country_codes_[chosen_country_index_];
+
+  std::unique_ptr<base::ListValue> components(new base::ListValue);
+  std::string unused;
+  autofill::GetAddressComponents(chosen_country_code,
+                                 state()->GetApplicationLocale(),
+                                 components.get(), &unused);
+
+  for (size_t line_index = 0; line_index < components->GetSize();
+       ++line_index) {
+    const base::ListValue* line = nullptr;
+    if (!components->GetList(line_index, &line)) {
+      NOTREACHED();
+      return;
+    }
+    DCHECK_NE(nullptr, line);
+    for (size_t component_index = 0; component_index < line->GetSize();
+         ++component_index) {
+      const base::DictionaryValue* component = nullptr;
+      if (!line->GetDictionary(component_index, &component)) {
+        NOTREACHED();
+        return;
+      }
+      std::string field_type;
+      if (!component->GetString(autofill::kFieldTypeKey, &field_type)) {
+        NOTREACHED();
+        return;
+      }
+      std::string field_name;
+      if (!component->GetString(autofill::kFieldNameKey, &field_name)) {
+        NOTREACHED();
+        return;
+      }
+      std::string field_length;
+      if (!component->GetString(autofill::kFieldLengthKey, &field_length)) {
+        NOTREACHED();
+        return;
+      }
+      EditorField::LengthHint length_hint = EditorField::LengthHint::HINT_LONG;
+      if (field_length == autofill::kShortField)
+        length_hint = EditorField::LengthHint::HINT_SHORT;
+      else
+        DCHECK_EQ(autofill::kLongField, field_length);
+      autofill::ServerFieldType server_field_type =
+          GetFieldTypeFromString(field_type);
+      EditorField::ControlType control_type =
+          EditorField::ControlType::TEXTFIELD;
+      if (server_field_type == autofill::ADDRESS_HOME_COUNTRY ||
+          server_field_type == autofill::ADDRESS_HOME_STATE) {
+        control_type = EditorField::ControlType::COMBOBOX;
+      }
+      editor_fields_.emplace_back(
+          server_field_type, base::UTF8ToUTF16(field_name), length_hint,
+          /*required=*/server_field_type != autofill::COMPANY_NAME,
+          control_type);
+      // Insert the Country combobox right after NAME_FULL.
+      if (server_field_type == autofill::NAME_FULL) {
+        editor_fields_.emplace_back(
+            autofill::ADDRESS_HOME_COUNTRY,
+            l10n_util::GetStringUTF16(
+                IDS_LIBADDRESSINPUT_COUNTRY_OR_REGION_LABEL),
+            EditorField::LengthHint::HINT_LONG, /*required=*/true,
+            EditorField::ControlType::COMBOBOX);
+      }
+    }
+  }
+  // Always add phone number at the end.
+  editor_fields_.emplace_back(
+      autofill::PHONE_HOME_NUMBER,
+      l10n_util::GetStringUTF16(IDS_AUTOFILL_FIELD_LABEL_PHONE),
+      EditorField::LengthHint::HINT_LONG, /*required=*/false,
+      EditorField::ControlType::TEXTFIELD);
+}
+
+void ShippingAddressEditorViewController::OnCountryChanged(
+    views::Combobox* combobox) {
+  // TODO(crbug.com/703764): save the current state so we can map it to the new
+  // country fields as best we can.
+  UpdateEditorFields();
+
+  // The editor can't be updated while in the middle of a combobox event.
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE,
+      base::Bind(&ShippingAddressEditorViewController::UpdateEditorView,
+                 base::Unretained(this)));
+}
+
+ShippingAddressEditorViewController::ShippingAddressValidationDelegate::
+    ShippingAddressValidationDelegate(
+        ShippingAddressEditorViewController* parent,
+        const EditorField& field)
+    : field_(field) /* TODO(mad): Bring back when needed:, parent_(parent) */ {}
+
+ShippingAddressEditorViewController::ShippingAddressValidationDelegate::
+    ~ShippingAddressValidationDelegate() {}
+
+bool ShippingAddressEditorViewController::ShippingAddressValidationDelegate::
+    ValidateTextfield(views::Textfield* textfield) {
+  return ValidateValue(textfield->text());
+}
+
+bool ShippingAddressEditorViewController::ShippingAddressValidationDelegate::
+    ValidateCombobox(views::Combobox* combobox) {
+  return ValidateValue(combobox->GetTextForRow(combobox->selected_index()));
+}
+
+bool ShippingAddressEditorViewController::ShippingAddressValidationDelegate::
+    ValidateValue(const base::string16& value) {
+  // TODO(crbug.com/703754) add phone validation.
+  // TODO(crbug.com/703756): Display "required" error if applicable.
+  return !field_.required || !value.empty();
+}
+
+}  // namespace payments