base/android/build_info.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/android/build_info.h"
   6
   7 #include <string>
   8
   9 #include "base/android/jni_android.h"
  10 #include "base/android/jni_string.h"
  11 #include "base/android/scoped_java_ref.h"
  12 #include "base/logging.h"
  13 #include "base/memory/singleton.h"
  14 #include "jni/BuildInfo_jni.h"
  15
  16 namespace {
  17
  18 // The caller takes ownership of the returned const char*.
  19 const char* StrDupJString(const base::android::JavaRef<jstring>& java_string) {
  20   std::string str = ConvertJavaStringToUTF8(java_string);
  21   return strdup(str.c_str());
  22 }
  23
  24 }  // namespace
  25
  26 namespace base {
  27 namespace android {
  28
  29 struct BuildInfoSingletonTraits {
  30   static BuildInfo* New() {
  31     return new BuildInfo(AttachCurrentThread());
  32   }
  33
  34   static void Delete(BuildInfo* x) {
  35     // We're leaking this type, see kRegisterAtExit.
  36     NOTREACHED();
  37   }
  38
  39   static const bool kRegisterAtExit = false;
  40 #ifndef NDEBUG
  41   static const bool kAllowedToAccessOnNonjoinableThread = true;
  42 #endif
  43 };
  44
  45 BuildInfo::BuildInfo(JNIEnv* env)
  46     : device_(StrDupJString(Java_BuildInfo_getDevice(env))),
  47       model_(StrDupJString(Java_BuildInfo_getDeviceModel(env))),
  48       brand_(StrDupJString(Java_BuildInfo_getBrand(env))),
  49       android_build_id_(StrDupJString(Java_BuildInfo_getAndroidBuildId(env))),
  50       android_build_fp_(StrDupJString(
  51           Java_BuildInfo_getAndroidBuildFingerprint(env))),
  52       package_version_code_(StrDupJString(Java_BuildInfo_getPackageVersionCode(
  53           env, GetApplicationContext()))),
  54       package_version_name_(StrDupJString(Java_BuildInfo_getPackageVersionName(
  55           env, GetApplicationContext()))),
  56       package_label_(StrDupJString(Java_BuildInfo_getPackageLabel(
  57           env, GetApplicationContext()))),
  58       package_name_(StrDupJString(Java_BuildInfo_getPackageName(
  59           env, GetApplicationContext()))),
  60       build_type_(StrDupJString(Java_BuildInfo_getBuildType(env))),
  61       sdk_int_(Java_BuildInfo_getSdkInt(env)),
  62       java_exception_info_(NULL) {
  63 }
  64
  65 // static
  66 BuildInfo* BuildInfo::GetInstance() {
  67   return Singleton<BuildInfo, BuildInfoSingletonTraits >::get();
  68 }
  69
  70 void BuildInfo::set_java_exception_info(const std::string& info) {
  71   DCHECK(!java_exception_info_) << "info should be set only once.";
  72   java_exception_info_ = strndup(info.c_str(), 4096);
  73 }
  74
  75 // static
  76 bool BuildInfo::RegisterBindings(JNIEnv* env) {
  77   return RegisterNativesImpl(env);
  78 }
  79
  80 }  // namespace android
  81 }  // namespace base