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// 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 "content/public/app/android_library_loader_hooks.h"
#include "base/android/base_jni_registrar.h"
#include "base/android/command_line_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_registrar.h"
#include "base/android/jni_string.h"
#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "base/strings/string_util.h"
#include "base/tracked_objects.h"
#include "content/app/android/app_jni_registrar.h"
#include "content/browser/android/browser_jni_registrar.h"
#include "content/child/android/child_jni_registrar.h"
#include "content/common/android/common_jni_registrar.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/result_codes.h"
#include "jni/LibraryLoader_jni.h"
#include "media/base/android/media_jni_registrar.h"
#include "net/android/net_jni_registrar.h"
#include "ui/base/android/ui_base_jni_registrar.h"
#include "ui/gfx/android/gfx_jni_registrar.h"
#include "ui/gl/android/gl_jni_registrar.h"
#include "ui/shell_dialogs/android/shell_dialogs_jni_registrar.h"
namespace content {
namespace {
base::AtExitManager* g_at_exit_manager = NULL;
const char* g_library_version_number = "";
}
bool EnsureJniRegistered(JNIEnv* env) {
static bool g_jni_init_done = false;
if (!g_jni_init_done) {
if (!base::android::RegisterJni(env))
return false;
if (!gfx::android::RegisterJni(env))
return false;
if (!net::android::RegisterJni(env))
return false;
if (!ui::android::RegisterJni(env))
return false;
if (!ui::gl::android::RegisterJni(env))
return false;
if (!ui::shell_dialogs::RegisterJni(env))
return false;
if (!content::android::RegisterChildJni(env))
return false;
if (!content::android::RegisterCommonJni(env))
return false;
if (!content::android::RegisterBrowserJni(env))
return false;
if (!content::android::RegisterAppJni(env))
return false;
if (!media::RegisterJni(env))
return false;
g_jni_init_done = true;
}
return true;
}
static jint LibraryLoaded(JNIEnv* env, jclass clazz,
jobjectArray init_command_line) {
base::android::InitNativeCommandLineFromJavaArray(env, init_command_line);
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kTraceStartup)) {
base::debug::CategoryFilter category_filter(
command_line->GetSwitchValueASCII(switches::kTraceStartup));
base::debug::TraceLog::GetInstance()->SetEnabled(category_filter,
base::debug::TraceLog::RECORD_UNTIL_FULL);
}
// Can only use event tracing after setting up the command line.
TRACE_EVENT0("jni", "JNI_OnLoad continuation");
// Note: because logging is setup here right after copying the command line
// array from java to native up top of this method, any code that adds the
// --enable-dcheck switch must do so on the Java side.
logging::LoggingSettings settings;
settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
settings.dcheck_state =
command_line->HasSwitch(switches::kEnableDCHECK) ?
logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS :
logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
logging::InitLogging(settings);
// To view log output with IDs and timestamps use "adb logcat -v threadtime".
logging::SetLogItems(false, // Process ID
false, // Thread ID
false, // Timestamp
false); // Tick count
VLOG(0) << "Chromium logging enabled: level = " << logging::GetMinLogLevel()
<< ", default verbosity = " << logging::GetVlogVerbosity();
if (!EnsureJniRegistered(env))
return RESULT_CODE_FAILED_TO_REGISTER_JNI;
return 0;
}
static void RecordContentAndroidLinkerHistogram(
JNIEnv* env,
jclass clazz,
jboolean loaded_at_fixed_address_failed,
jboolean is_low_memory_device) {
UMA_HISTOGRAM_BOOLEAN("ContentAndroidLinker.LoadedAtFixedAddressFailed",
loaded_at_fixed_address_failed);
UMA_HISTOGRAM_BOOLEAN("ContentAndroidLinker.IsLowMemoryDevice",
is_low_memory_device);
}
void LibraryLoaderExitHook() {
if (g_at_exit_manager) {
delete g_at_exit_manager;
g_at_exit_manager = NULL;
}
}
bool RegisterLibraryLoaderEntryHook(JNIEnv* env) {
// We need the AtExitManager to be created at the very beginning.
g_at_exit_manager = new base::AtExitManager();
return RegisterNativesImpl(env);
}
void SetVersionNumber(const char* version_number) {
g_library_version_number = strdup(version_number);
}
jstring GetVersionNumber(JNIEnv* env, jclass clazz) {
return env->NewStringUTF(g_library_version_number);
}
} // namespace content
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