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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 "content/public/browser/android_library_loader_hooks.h" | |
| 6 | |
| 7 #include "base/android/base_jni_registrar.h" | |
| 8 #include "base/android/jni_registrar.h" | |
| 9 #include "base/android/jni_android.h" | |
| 10 #include "base/android/jni_string.h" | |
| 11 #include "base/at_exit.h" | |
| 12 #include "base/command_line.h" | |
| 13 #include "base/debug/trace_event.h" | |
| 14 #include "base/file_path.h" | |
| 15 #include "base/file_util.h" | |
| 16 #include "base/logging.h" | |
| 17 #include "base/string_tokenizer.h" | |
| 18 #include "base/string_util.h" | |
| 19 #include "base/tracked_objects.h" | |
| 20 #include "content/public/common/content_switches.h" | |
| 21 #include "content/browser/android/command_line.h" | |
| 22 #include "content/browser/android/content_jni_registrar.h" | |
| 23 #include "media/base/android/media_jni_registrar.h" | |
| 24 #include "net/android/net_jni_registrar.h" | |
| 25 | |
| 26 namespace { | |
| 27 base::AtExitManager* g_at_exit_manager = NULL; | |
| 28 } | |
| 29 | |
| 30 jboolean LibraryLoaderEntryHook(JNIEnv* env, jclass clazz, | |
| 31 jobjectArray init_command_line) { | |
| 32 // We need the Chrome AtExitManager to be created before we do any tracing or | |
| 33 // logging. | |
| 34 g_at_exit_manager = new base::AtExitManager(); | |
| 35 InitNativeCommandLineFromJavaArray(env, init_command_line); | |
| 36 | |
| 37 CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
| 38 | |
| 39 if (command_line->HasSwitch(switches::kTraceStartup)) { | |
| 40 base::debug::TraceLog::GetInstance()->SetEnabled( | |
| 41 command_line->GetSwitchValueASCII(switches::kTraceStartup)); | |
| 42 } | |
| 43 | |
| 44 // Can only use event tracing after setting up the command line. | |
| 45 TRACE_EVENT0("jni", "JNI_OnLoad continuation"); | |
| 46 | |
| 47 logging::InitLogging(NULL, | |
| 48 logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG, | |
| 49 logging::DONT_LOCK_LOG_FILE, | |
| 50 logging::DELETE_OLD_LOG_FILE, | |
| 51 logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS); | |
| 52 // To view log output with IDs and timestamps use "adb logcat -v threadtime". | |
| 53 logging::SetLogItems(false, // Process ID | |
| 54 false, // Thread ID | |
| 55 false, // Timestamp | |
| 56 false); // Tick count | |
| 57 VLOG(0) << "Chromium logging enabled: level = " << logging::GetMinLogLevel() | |
| 58 << ", default verbosity = " << logging::GetVlogVerbosity(); | |
| 59 | |
| 60 if (!base::android::RegisterJni(env)) | |
| 61 return JNI_FALSE; | |
| 62 | |
| 63 if (!net::android::RegisterJni(env)) | |
| 64 return JNI_FALSE; | |
| 65 | |
| 66 if (!content::android::RegisterJni(env)) | |
| 67 return JNI_FALSE; | |
| 68 | |
| 69 if (!media::RegisterJni(env)) | |
| 70 return JNI_FALSE; | |
| 71 | |
| 72 return JNI_TRUE; | |
| 73 } | |
| 74 | |
| 75 void LibraryLoaderExitHook() { | |
| 76 if (g_at_exit_manager) { | |
| 77 delete g_at_exit_manager; | |
| 78 g_at_exit_manager = NULL; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 bool RegisterLibraryLoaderEntryHook(JNIEnv* env) { | |
| 83 // TODO(bulach): use the jni generator once we move jni_helper methods here. | |
| 84 const JNINativeMethod kMethods[] = { | |
| 85 { "nativeLibraryLoadedOnMainThread", "([Ljava/lang/String;)Z", | |
| 86 reinterpret_cast<void*>(LibraryLoaderEntryHook) }, | |
| 87 }; | |
| 88 const int kMethodsSize = arraysize(kMethods); | |
| 89 const char kLibraryLoaderPath[] = | |
| 90 "org/chromium/content/browser/LibraryLoader"; | |
| 91 base::android::ScopedJavaLocalRef<jclass> clazz = | |
| 92 base::android::GetClass(env, kLibraryLoaderPath); | |
| 93 | |
| 94 if (env->RegisterNatives(clazz.obj(), | |
| 95 kMethods, | |
| 96 kMethodsSize) < 0) { | |
| 97 return false; | |
| 98 } | |
| 99 return true; | |
| 100 } | |
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