3 files changed, 244 insertions, 0 deletions
diff --git a/base/android/build_info.cc b/base/android/build_info.cc
new file mode 100644
index 0000000..54be7a2
--- /dev/null
+++ b/base/android/build_info.cc
@@ -0,0 +1,68 @@
+// 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/build_info.h"
+
+#include <string>
+
+#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/memory/singleton.h"
+#include "jni/build_info_jni.h"
+
+namespace base {
+namespace android {
+
+BuildInfo::BuildInfo() {
+
+  JNIEnv* env = AttachCurrentThread();
+
+  // The const char* pointers initialized below will be owned by the
+  // resultant BuildInfo.
+  std::string device_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getDevice(env));
+  device_ = strdup(device_str.c_str());
+
+  std::string model_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getDeviceModel(env));
+  model_ = strdup(model_str.c_str());
+
+  std::string brand_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getBrand(env));
+  brand_ = strdup(brand_str.c_str());
+
+  std::string android_build_id_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getAndroidBuildId(env));
+  android_build_id_ = strdup(android_build_id_str.c_str());
+
+  std::string android_build_fp_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getAndroidBuildFingerprint(env));
+  android_build_fp_ = strdup(android_build_fp_str.c_str());
+
+  jobject app_context = GetApplicationContext();
+  std::string package_version_code_str =
+      ConvertJavaStringToUTF8(Java_BuildInfo_getPackageVersionCode(
+          env, app_context));
+  package_version_code_ = strdup(package_version_code_str.c_str());
+
+  std::string package_version_name_str =
+      ConvertJavaStringToUTF8(
+          Java_BuildInfo_getPackageVersionName(env, app_context));
+  package_version_name_ = strdup(package_version_name_str.c_str());
+
+}
+
+// static
+BuildInfo* BuildInfo::GetInstance() {
+  return Singleton<BuildInfo, LeakySingletonTraits<BuildInfo> >::get();
+}
+
+bool RegisterBuildInfo(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace android
+}  // namespace base
diff --git a/base/android/build_info.h b/base/android/build_info.h
new file mode 100644
index 0000000..82635cd
--- /dev/null
+++ b/base/android/build_info.h
@@ -0,0 +1,88 @@
+// 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_BUILD_INFO_H_
+#define BASE_ANDROID_BUILD_INFO_H_
+
+#include <jni.h>
+
+#include <string>
+
+#include "base/memory/singleton.h"
+
+namespace base {
+namespace android {
+
+// BuildInfo is a singleton class that stores android build and device
+// information.
+class BuildInfo {
+ public:
+
+  ~BuildInfo() {}
+
+  // Static factory method for getting the singleton BuildInfo instance.
+  // Note that ownership is not conferred on the caller and the BuildInfo in
+  // question isn't actually freed until shutdown. This is ok because there
+  // should only be one instance of BuildInfo ever created.
+  static BuildInfo* GetInstance();
+
+  // Const char* is used instead of std::strings because these values must be
+  // available even if the process is in a crash state. Sadly
+  // std::string.c_str() doesn't guarantee that memory won't be allocated when
+  // it is called.
+  const char* device() const {
+    return device_;
+  }
+
+  const char* model() const {
+    return model_;
+  }
+
+  const char* brand() const {
+    return brand_;
+  }
+
+  const char* android_build_id() const {
+    return android_build_id_;
+  }
+
+  const char* android_build_fp() const {
+    return android_build_fp_;
+  }
+
+  const char* package_version_code() const {
+    return package_version_code_;
+  }
+
+  const char* package_version_name() const {
+    return package_version_name_;
+  }
+
+ private:
+  BuildInfo();
+
+  friend struct DefaultSingletonTraits<BuildInfo>;
+
+  // Const char* is used instead of std::strings because these values must be
+  // available even if the process is in a crash state. Sadly
+  // std::string.c_str() doesn't guarantee that memory won't be allocated when
+  // it is called.
+  char* device_;
+  char* model_;
+  char* brand_;
+  char* android_build_id_;
+  char* android_build_fp_;
+  char* package_version_code_;
+  char* package_version_name_;
+
+  DISALLOW_COPY_AND_ASSIGN(BuildInfo);
+
+};
+
+bool RegisterBuildInfo(JNIEnv* env);
+
+}  // namespace android
+}  // namespace base
+
+#endif  // BASE_ANDROID_BUILD_INFO_H_
diff --git a/base/android/java/org/chromium/base/BuildInfo.java b/base/android/java/org/chromium/base/BuildInfo.java
new file mode 100644
index 0000000..75748ac
--- /dev/null
+++ b/base/android/java/org/chromium/base/BuildInfo.java
@@ -0,0 +1,88 @@
+// 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 android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.os.Build;
+import android.util.Log;
+
+/**
+ * BuildInfo is a utility class providing easy access to {@link PackageInfo}
+ * information. This is primarly of use for accessesing package information
+ * from native code.
+ */
+public class BuildInfo {
+  private static final String TAG = "BuildInfo";
+  private static final int MAX_FINGERPRINT_LENGTH = 128;
+
+  /**
+   * BuildInfo is a static utility class and therefore should'nt be
+   * instantiated.
+   */
+  private BuildInfo() {
+  }
+
+  @CalledByNative
+  public static String getDevice() {
+    return Build.DEVICE;
+  }
+
+  @CalledByNative
+  public static String getBrand() {
+    return Build.BRAND;
+  }
+
+  @CalledByNative
+  public static String getAndroidBuildId() {
+    return Build.ID;
+  }
+
+  /**
+   * @return The build fingerprint for the current Android install.  The value is truncated to a
+   *         128 characters as this is used for crash and UMA reporting, which should avoid huge
+   *         strings.
+   */
+  @CalledByNative
+  public static String getAndroidBuildFingerprint() {
+      return Build.FINGERPRINT.substring(
+              0, Math.min(Build.FINGERPRINT.length(), MAX_FINGERPRINT_LENGTH));
+  }
+
+  @CalledByNative
+  public static String getDeviceModel() {
+    return Build.MODEL;
+  }
+
+  @CalledByNative
+  public static String getPackageVersionCode(Context context) {
+    String msg = "versionCode not available.";
+    try {
+      PackageManager pm = context.getPackageManager();
+      PackageInfo pi = pm.getPackageInfo("com.android.chrome", 0);
+      msg = "" + pi.versionCode;
+    } catch (NameNotFoundException e) {
+      Log.d(TAG, msg);
+    }
+    return msg;
+
+  }
+
+  @CalledByNative
+  public static String getPackageVersionName(Context context) {
+    String msg = "versionName not available";
+    try {
+      PackageManager pm = context.getPackageManager();
+      PackageInfo pi = pm.getPackageInfo("com.android.chrome", 0);
+      msg = pi.versionName;
+    } catch (NameNotFoundException e) {
+      Log.d(TAG, msg);
+    }
+    return msg;
+  }
+
+}