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-rw-r--r--base/android/java/org/chromium/base/LocaleUtils.java26
-rw-r--r--base/android/locale_utils.cc94
-rw-r--r--base/android/locale_utils.h29
-rw-r--r--base/base.gyp2
-rw-r--r--base/base.gypi3
5 files changed, 154 insertions, 0 deletions
diff --git a/base/android/java/org/chromium/base/LocaleUtils.java b/base/android/java/org/chromium/base/LocaleUtils.java
new file mode 100644
index 0000000..6bca1f7
--- /dev/null
+++ b/base/android/java/org/chromium/base/LocaleUtils.java
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 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.
+
+package org.chromium.base;
+
+import java.util.Locale;
+
+/**
+ * This class provides the locale related methods for the native library.
+ */
+class LocaleUtils {
+
+ private LocaleUtils() { /* cannot be instantiated */ }
+
+ /**
+ * @return the default locale.
+ */
+ @CalledByNative
+ public static String getDefaultLocale() {
+ Locale locale = Locale.getDefault();
+ String language = locale.getLanguage();
+ String country = locale.getCountry();
+ return country.isEmpty() ? language : language + "-" + country;
+ }
+}
diff --git a/base/android/locale_utils.cc b/base/android/locale_utils.cc
new file mode 100644
index 0000000..c2a88cf
--- /dev/null
+++ b/base/android/locale_utils.cc
@@ -0,0 +1,94 @@
+// Copyright (c) 2012 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 "base/android/locale_utils.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/logging.h"
+#include "base/string_util.h"
+#include "jni/locale_utils_jni.h"
+#include "unicode/uloc.h"
+
+namespace base {
+namespace android {
+
+std::string GetDefaultLocale() {
+ JNIEnv* env = AttachCurrentThread();
+ ScopedJavaLocalRef<jstring> locale = Java_LocaleUtils_getDefaultLocale(env);
+ return ConvertJavaStringToUTF8(locale);
+}
+
+namespace {
+
+// Common prototype of ICU uloc_getXXX() functions.
+typedef int32_t (*UlocGetComponentFunc)(const char*, char*, int32_t,
+ UErrorCode*);
+
+std::string GetLocaleComponent(const std::string& locale,
+ UlocGetComponentFunc uloc_func,
+ int32_t max_capacity) {
+ std::string result;
+ UErrorCode error = U_ZERO_ERROR;
+ int32_t actual_length = uloc_func(locale.c_str(),
+ WriteInto(&result, max_capacity),
+ max_capacity,
+ &error);
+ DCHECK(U_SUCCESS(error));
+ DCHECK(actual_length < max_capacity);
+ result.resize(actual_length);
+ return result;
+}
+
+ScopedJavaLocalRef<jobject> NewJavaLocale(
+ JNIEnv* env,
+ ScopedJavaLocalRef<jclass> locale_class,
+ jmethodID constructor_id,
+ const std::string& locale) {
+ // TODO(wangxianzhu): Use new Locale API once Android supports scripts.
+ std::string language = GetLocaleComponent(
+ locale, uloc_getLanguage, ULOC_LANG_CAPACITY);
+ std::string country = GetLocaleComponent(
+ locale, uloc_getCountry, ULOC_COUNTRY_CAPACITY);
+ std::string variant = GetLocaleComponent(
+ locale, uloc_getVariant, ULOC_FULLNAME_CAPACITY);
+ return ScopedJavaLocalRef<jobject>(
+ env, env->NewObject(
+ locale_class.obj(), constructor_id,
+ ConvertUTF8ToJavaString(env, language).obj(),
+ ConvertUTF8ToJavaString(env, country).obj(),
+ ConvertUTF8ToJavaString(env, variant).obj()));
+}
+
+} // namespace
+
+string16 GetDisplayNameForLocale(const std::string& locale,
+ const std::string& display_locale) {
+ JNIEnv* env = AttachCurrentThread();
+
+ ScopedJavaLocalRef<jclass> locale_class = GetClass(env, "java/util/Locale");
+ jmethodID constructor_id = GetMethodID(
+ env, locale_class, "<init>",
+ "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
+ ScopedJavaLocalRef<jobject> java_locale = NewJavaLocale(
+ env, locale_class, constructor_id, locale);
+ ScopedJavaLocalRef<jobject> java_display_locale = NewJavaLocale(
+ env, locale_class, constructor_id, display_locale);
+
+ jmethodID method_id = GetMethodID(env, locale_class, "getDisplayName",
+ "(Ljava/util/Locale;)Ljava/lang/String;");
+ ScopedJavaLocalRef<jstring> java_result(
+ env,
+ static_cast<jstring>(env->CallObjectMethod(java_locale.obj(), method_id,
+ java_display_locale.obj())));
+ return ConvertJavaStringToUTF16(java_result);
+}
+
+bool RegisterLocaleUtils(JNIEnv* env) {
+ return RegisterNativesImpl(env);
+}
+
+} // namespace android
+} // namespace base
diff --git a/base/android/locale_utils.h b/base/android/locale_utils.h
new file mode 100644
index 0000000..35d0015
--- /dev/null
+++ b/base/android/locale_utils.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 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.
+
+#ifndef BASE_ANDROID_LOCALE_UTILS_H_
+#define BASE_ANDROID_LOCALE_UTILS_H_
+#pragma once
+
+#include <jni.h>
+
+#include <string>
+
+#include "base/string16.h"
+
+namespace base {
+namespace android {
+
+// Return the current default locale of the device.
+std::string GetDefaultLocale();
+
+string16 GetDisplayNameForLocale(const std::string& locale,
+ const std::string& display_locale);
+
+bool RegisterLocaleUtils(JNIEnv* env);
+
+} // namespace android
+} // namespace base
+
+#endif // BASE_ANDROID_LOCALE_UTILS_H_
diff --git a/base/base.gyp b/base/base.gyp
index e048d09..8de65df 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -538,11 +538,13 @@
'variables': {
'java_sources': [
'android/java/org/chromium/base/BuildInfo.java',
+ 'android/java/org/chromium/base/LocaleUtils.java',
'android/java/org/chromium/base/PathUtils.java',
'android/java/org/chromium/base/SystemMessageHandler.java',
],
'jni_headers': [
'<(SHARED_INTERMEDIATE_DIR)/base/jni/build_info_jni.h',
+ '<(SHARED_INTERMEDIATE_DIR)/base/jni/locale_utils_jni.h',
'<(SHARED_INTERMEDIATE_DIR)/base/jni/path_utils_jni.h',
'<(SHARED_INTERMEDIATE_DIR)/base/jni/system_message_handler_jni.h',
],
diff --git a/base/base.gypi b/base/base.gypi
index 4c96ebd..c19658f 100644
--- a/base/base.gypi
+++ b/base/base.gypi
@@ -39,6 +39,8 @@
'android/jni_registrar.h',
'android/jni_string.cc',
'android/jni_string.h',
+ 'android/locale_utils.cc',
+ 'android/locale_utils.h',
'android/path_utils.cc',
'android/path_utils.h',
'at_exit.cc',
@@ -696,6 +698,7 @@
'dependencies': [
'symbolize',
'../third_party/ashmem/ashmem.gyp:ashmem',
+ '../third_party/icu/icu.gyp:icuuc',
'base_java',
'base_jni_headers',
],
generated by cgit v1.1 at 2025-02-08 21:51:36 +0000