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      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/context_utils.h"
     10 #include "base/android/jni_android.h"
     11 #include "base/android/jni_string.h"
     12 #include "base/android/scoped_java_ref.h"
     13 #include "base/logging.h"
     14 #include "base/memory/singleton.h"
     15 #include "jni/BuildInfo_jni.h"
     16 
     17 namespace {
     18 
     19 // We are leaking these strings.
     20 const char* StrDupJString(const base::android::JavaRef<jstring>& java_string) {
     21   std::string str = ConvertJavaStringToUTF8(java_string);
     22   return strdup(str.c_str());
     23 }
     24 
     25 }  // namespace
     26 
     27 namespace base {
     28 namespace android {
     29 
     30 struct BuildInfoSingletonTraits {
     31   static BuildInfo* New() {
     32     return new BuildInfo(AttachCurrentThread());
     33   }
     34 
     35   static void Delete(BuildInfo* x) {
     36     // We're leaking this type, see kRegisterAtExit.
     37     NOTREACHED();
     38   }
     39 
     40   static const bool kRegisterAtExit = false;
     41 #if DCHECK_IS_ON()
     42   static const bool kAllowedToAccessOnNonjoinableThread = true;
     43 #endif
     44 };
     45 
     46 BuildInfo::BuildInfo(JNIEnv* env)
     47     : device_(StrDupJString(Java_BuildInfo_getDevice(env))),
     48       manufacturer_(StrDupJString(Java_BuildInfo_getDeviceManufacturer(env))),
     49       model_(StrDupJString(Java_BuildInfo_getDeviceModel(env))),
     50       brand_(StrDupJString(Java_BuildInfo_getBrand(env))),
     51       android_build_id_(StrDupJString(Java_BuildInfo_getAndroidBuildId(env))),
     52       android_build_fp_(StrDupJString(
     53           Java_BuildInfo_getAndroidBuildFingerprint(env))),
     54       gms_version_code_(StrDupJString(Java_BuildInfo_getGMSVersionCode(
     55           env, GetApplicationContext()))),
     56       package_version_code_(StrDupJString(Java_BuildInfo_getPackageVersionCode(
     57           env, GetApplicationContext()))),
     58       package_version_name_(StrDupJString(Java_BuildInfo_getPackageVersionName(
     59           env, GetApplicationContext()))),
     60       package_label_(StrDupJString(Java_BuildInfo_getPackageLabel(
     61           env, GetApplicationContext()))),
     62       package_name_(StrDupJString(Java_BuildInfo_getPackageName(
     63           env, GetApplicationContext()))),
     64       build_type_(StrDupJString(Java_BuildInfo_getBuildType(env))),
     65       sdk_int_(Java_BuildInfo_getSdkInt(env)),
     66       java_exception_info_(NULL) {
     67 }
     68 
     69 // static
     70 BuildInfo* BuildInfo::GetInstance() {
     71   return Singleton<BuildInfo, BuildInfoSingletonTraits >::get();
     72 }
     73 
     74 void BuildInfo::SetJavaExceptionInfo(const std::string& info) {
     75   DCHECK(!java_exception_info_) << "info should be set only once.";
     76   java_exception_info_ = strndup(info.c_str(), 4096);
     77 }
     78 
     79 void BuildInfo::ClearJavaExceptionInfo() {
     80   delete java_exception_info_;
     81   java_exception_info_ = nullptr;
     82 }
     83 
     84 }  // namespace android
     85 }  // namespace base
     86