2 files changed, 82 insertions, 0 deletions
diff --git a/intl/locale/android/OSPreferences_android.cpp b/intl/locale/android/OSPreferences_android.cpp
new file mode 100644
index 0000000000..8ef27c526b
--- /dev/null
+++ b/intl/locale/android/OSPreferences_android.cpp
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "OSPreferences.h"
+#include "mozilla/Preferences.h"
+
+#include "mozilla/java/GeckoAppShellWrappers.h"
+
+using namespace mozilla::intl;
+
+OSPreferences::OSPreferences() {}
+
+bool OSPreferences::ReadSystemLocales(nsTArray<nsCString>& aLocaleList) {
+  if (!mozilla::jni::IsAvailable()) {
+    return false;
+  }
+
+  // XXX: Notice, this value may be empty on an early read. In that case
+  //     we won't add anything to the return list so that it doesn't get
+  //     cached in mSystemLocales.
+  auto locales = java::GeckoAppShell::GetDefaultLocales();
+  if (locales) {
+    for (size_t i = 0; i < locales->Length(); i++) {
+      jni::String::LocalRef locale = locales->GetElement(i);
+      aLocaleList.AppendElement(locale->ToCString());
+    }
+    return true;
+  }
+  return false;
+}
+
+bool OSPreferences::ReadRegionalPrefsLocales(nsTArray<nsCString>& aLocaleList) {
+  // For now we're just taking System Locales since we don't know of any better
+  // API for regional prefs.
+  return ReadSystemLocales(aLocaleList);
+}
+
+/*
+ * Similar to Gtk, Android does not provide a way to customize or format
+ * date/time patterns, so we're reusing ICU data here, but we do modify it
+ * according to the Android DateFormat is24HourFormat setting.
+ */
+bool OSPreferences::ReadDateTimePattern(DateTimeFormatStyle aDateStyle,
+                                        DateTimeFormatStyle aTimeStyle,
+                                        const nsACString& aLocale,
+                                        nsACString& aRetVal) {
+  if (!mozilla::jni::IsAvailable()) {
+    return false;
+  }
+
+  nsAutoCString skeleton;
+  if (!GetDateTimeSkeletonForStyle(aDateStyle, aTimeStyle, aLocale, skeleton)) {
+    return false;
+  }
+
+  // Customize the skeleton if necessary to reflect user's 12/24hr pref
+  OverrideSkeletonHourCycle(java::GeckoAppShell::GetIs24HourFormat(), skeleton);
+
+  if (!GetPatternForSkeleton(skeleton, aLocale, aRetVal)) {
+    return false;
+  }
+
+  return true;
+}
+
+void OSPreferences::RemoveObservers() {}
diff --git a/intl/locale/android/moz.build b/intl/locale/android/moz.build
new file mode 100644
index 0000000000..b0cb0cc6a5
--- /dev/null
+++ b/intl/locale/android/moz.build
@@ -0,0 +1,13 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES += ["OSPreferences_android.cpp"]
+
+FINAL_LIBRARY = "xul"
+
+LOCAL_INCLUDES += [
+    "..",
+]