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       manufacturer_(StrDupJString(Java_BuildInfo_getDeviceManufacturer(env))),
  48       model_(StrDupJString(Java_BuildInfo_getDeviceModel(env))),
  49       brand_(StrDupJString(Java_BuildInfo_getBrand(env))),
  50       android_build_id_(StrDupJString(Java_BuildInfo_getAndroidBuildId(env))),
  51       android_build_fp_(StrDupJString(
  52           Java_BuildInfo_getAndroidBuildFingerprint(env))),
  53       package_version_code_(StrDupJString(Java_BuildInfo_getPackageVersionCode(
  54           env, GetApplicationContext()))),
  55       package_version_name_(StrDupJString(Java_BuildInfo_getPackageVersionName(
  56           env, GetApplicationContext()))),
  57       package_label_(StrDupJString(Java_BuildInfo_getPackageLabel(
  58           env, GetApplicationContext()))),
  59       package_name_(StrDupJString(Java_BuildInfo_getPackageName(
  60           env, GetApplicationContext()))),
  61       build_type_(StrDupJString(Java_BuildInfo_getBuildType(env))),
  62       sdk_int_(Java_BuildInfo_getSdkInt(env)),
  63       java_exception_info_(NULL) {
  64 }
  65
  66 // static
  67 BuildInfo* BuildInfo::GetInstance() {
  68   return Singleton<BuildInfo, BuildInfoSingletonTraits >::get();
  69 }
  70
  71 void BuildInfo::SetJavaExceptionInfo(const std::string& info) {
  72   DCHECK(!java_exception_info_) << "info should be set only once.";
  73   java_exception_info_ = strndup(info.c_str(), 4096);
  74 }
  75
  76 void BuildInfo::ClearJavaExceptionInfo() {
  77   delete java_exception_info_;
  78   java_exception_info_ = nullptr;
  79 }
  80
  81 // static
  82 bool BuildInfo::RegisterBindings(JNIEnv* env) {
  83   return RegisterNativesImpl(env);
  84 }
  85
  86 }  // namespace android
  87 }  // namespace base