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      1 /*
      2  * libjingle
      3  * Copyright 2015 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include "talk/app/webrtc/test/androidtestinitializer.h"
     29 
     30 #include <pthread.h>
     31 
     32 // Note: this dependency is dangerous since it reaches into Chromium's base.
     33 // There's a risk of e.g. macro clashes. This file may only be used in tests.
     34 // Since we use Chromes build system for creating the gtest binary, this should
     35 // be fine.
     36 #include "base/android/context_utils.h"
     37 #include "base/android/jni_android.h"
     38 
     39 #include "talk/app/webrtc/java/jni/classreferenceholder.h"
     40 #include "talk/app/webrtc/java/jni/jni_helpers.h"
     41 #include "webrtc/base/checks.h"
     42 #include "webrtc/base/ssladapter.h"
     43 #include "webrtc/voice_engine/include/voe_base.h"
     44 
     45 namespace webrtc {
     46 
     47 namespace {
     48 
     49 static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT;
     50 
     51 // There can only be one JNI_OnLoad in each binary. So since this is a GTEST
     52 // C++ runner binary, we want to initialize the same global objects we normally
     53 // do if this had been a Java binary.
     54 void EnsureInitializedOnce() {
     55   RTC_CHECK(::base::android::IsVMInitialized());
     56   JNIEnv* jni = ::base::android::AttachCurrentThread();
     57   JavaVM* jvm = NULL;
     58   RTC_CHECK_EQ(0, jni->GetJavaVM(&jvm));
     59   jobject context = ::base::android::GetApplicationContext();
     60 
     61   RTC_CHECK_GE(webrtc_jni::InitGlobalJniVariables(jvm), 0);
     62   RTC_CHECK(rtc::InitializeSSL()) << "Failed to InitializeSSL()";
     63   webrtc_jni::LoadGlobalClassReferenceHolder();
     64 
     65   webrtc::VoiceEngine::SetAndroidObjects(jvm, context);
     66 }
     67 
     68 }  // anonymous namespace
     69 
     70 void InitializeAndroidObjects() {
     71   RTC_CHECK_EQ(0, pthread_once(&g_initialize_once, &EnsureInitializedOnce));
     72 }
     73 
     74 }  // namespace webrtc
     75