Use floating labels for preference forms

chrome/browser/android/preferences/autofill/autofill_profile_bridge.cc

Index: chrome/browser/android/preferences/autofill/autofill_profile_bridge.cc
diff --git a/chrome/browser/android/preferences/autofill/autofill_profile_bridge.cc b/chrome/browser/android/preferences/autofill/autofill_profile_bridge.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b4ffde31f71df60eff21f9757fbb7a85a69d376c
--- /dev/null
+++ b/chrome/browser/android/preferences/autofill/autofill_profile_bridge.cc
@@ -0,0 +1,146 @@
+// Copyright 2015 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/android/preferences/autofill/autofill_profile_bridge.h"
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "base/bind.h"
+#include "chrome/browser/browser_process.h"
+#include "components/autofill/core/browser/autofill_country.h"
+#include "jni/AutofillProfileBridge_jni.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_ui.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_ui_component.h"
+#include "third_party/libaddressinput/src/cpp/include/libaddressinput/localization.h"
+#include "ui/base/l10n/l10n_util.h"
+
+using base::android::ConvertJavaStringToUTF8;
+using base::android::ConvertUTF8ToJavaString;
+using base::android::ToJavaArrayOfStrings;
+using base::android::ToJavaIntArray;
+
+namespace autofill {
+
+namespace {
+
+// Address field types. This list must be kept in-sync with the corresponding
+// AddressField class in AutofillProfileBridge.java.
+enum AddressField {
+  COUNTRY,             // Country code.
+  ADMIN_AREA,          // Administrative area such as a state, province,
+                       // island, etc.
+  LOCALITY,            // City or locality.
+  DEPENDENT_LOCALITY,  // Dependent locality (may be an inner-city district or
+                       // a suburb).
+  SORTING_CODE,        // Sorting code.
+  POSTAL_CODE,         // Zip or postal code.
+  STREET_ADDRESS,      // Street address lines.
+  ORGANIZATION,        // Organization, company, firm, institution, etc.
+  RECIPIENT            // Name.
+};
+
+} // namespace
+
+static jstring GetDefaultCountryCode(JNIEnv* env,
+                                    jclass clazz) {
+  std::string defaultCountryCode =
+      autofill::AutofillCountry::CountryCodeForLocale(
+          g_browser_process->GetApplicationLocale());
+  return ConvertUTF8ToJavaString(env, defaultCountryCode).Release();
+}
+
+static void GetSupportedCountries(JNIEnv* env,
+                                  jclass clazz,
+                                  jobject j_country_code_list,
+                                  jobject j_country_name_list) {
+  std::vector<std::string> country_codes =
+      ::i18n::addressinput::GetRegionCodes();
+  std::vector<base::string16> country_names;
+  std::string locale = g_browser_process->GetApplicationLocale();
+  for (auto country_code : country_codes) {
+    country_names.push_back(l10n_util::GetDisplayNameForCountry(country_code,
+                                                                locale));
+  }
+
+  Java_AutofillProfileBridge_stringArrayToList(env,
+                                               ToJavaArrayOfStrings(
+                                                   env, country_codes).obj(),
+                                               j_country_code_list);
+  Java_AutofillProfileBridge_stringArrayToList(env,
+                                               ToJavaArrayOfStrings(
+                                                   env, country_names).obj(),
+                                               j_country_name_list);
+}
+
+static void GetAddressUiComponents(JNIEnv* env,
+                                   jclass clazz,
+                                   jstring j_country_code,
+                                   jobject j_id_list,
+                                   jobject j_name_list) {
+  std::string best_language_tag;
+  std::vector<int> component_ids;
+  std::vector<std::string> component_labels;
+  ::i18n::addressinput::Localization localization;
+  localization.SetGetter(l10n_util::GetStringUTF8);
+
+  std::vector<::i18n::addressinput::AddressUiComponent> ui_components =
+      ::i18n::addressinput::BuildComponents(
+          ConvertJavaStringToUTF8(env, j_country_code), localization,
+          g_browser_process->GetApplicationLocale(), &best_language_tag);
+
+  for (auto ui_component : ui_components) {
+    component_labels.push_back(ui_component.name);
+
+    switch (ui_component.field) {
+          case ::i18n::addressinput::COUNTRY:
+            component_ids.push_back(AddressField::COUNTRY);
+            break;
+          case ::i18n::addressinput::ADMIN_AREA:
+            component_ids.push_back(AddressField::ADMIN_AREA);
+            break;
+          case ::i18n::addressinput::LOCALITY:
+            component_ids.push_back(AddressField::LOCALITY);
+            break;
+          case ::i18n::addressinput::DEPENDENT_LOCALITY:
+            component_ids.push_back(AddressField::DEPENDENT_LOCALITY);
+            break;
+          case ::i18n::addressinput::SORTING_CODE:
+            component_ids.push_back(AddressField::SORTING_CODE);
+            break;
+          case ::i18n::addressinput::POSTAL_CODE:
+            component_ids.push_back(AddressField::POSTAL_CODE);
+            break;
+          case ::i18n::addressinput::STREET_ADDRESS:
+            component_ids.push_back(AddressField::STREET_ADDRESS);
+            break;
+          case ::i18n::addressinput::ORGANIZATION:
+            component_ids.push_back(AddressField::ORGANIZATION);
+            break;
+          case ::i18n::addressinput::RECIPIENT:
+            component_ids.push_back(AddressField::RECIPIENT);
+            break;
+          default:
+            NOTREACHED();
+    }
+  }
+
+  Java_AutofillProfileBridge_intArrayToList(env,
+                                            ToJavaIntArray(
+                                                   env, component_ids).obj(),
+                                               j_id_list);
+  Java_AutofillProfileBridge_stringArrayToList(env,
+                                               ToJavaArrayOfStrings(
+                                                   env, component_labels).obj(),
+                                               j_name_list);
+}
+
+// static
+bool RegisterAutofillProfileBridge(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+} // namespace autofill