Reland "Add APK targets to build libjingle tests for Android."

talk/app/webrtc/test/androidtestinitializer.cc

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
  *     this list of conditions and the following disclaimer in the documentation
  *     and/or other materials provided with the distribution.
  *  3. The name of the author may not be used to endorse or promote products
  *     derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
  */
 
+#include "talk/app/webrtc/test/androidtestinitializer.h"
 
-#include "talk/app/webrtc/java/jni/surfacetexturehelper_jni.h"
+#include <pthread.h>
+
+// Note: this dependency is dangerous since it reaches into Chromium's base.
+// There's a risk of e.g. macro clashes. This file may only be used in tests.
+// Since we use Chromes build system for creating the gtest binary, this should
+// be fine.
+#include "base/android/context_utils.h"
+#include "base/android/jni_android.h"
 
 #include "talk/app/webrtc/java/jni/classreferenceholder.h"
-#include "webrtc/base/bind.h"
+#include "talk/app/webrtc/java/jni/jni_helpers.h"
 #include "webrtc/base/checks.h"
+#include "webrtc/base/ssladapter.h"
+#include "webrtc/voice_engine/include/voe_base.h"
 
-namespace webrtc_jni {
+namespace webrtc {
 
-SurfaceTextureHelper::SurfaceTextureHelper(
-    JNIEnv* jni, jobject surface_texture_helper)
-  : j_surface_texture_helper_(jni, surface_texture_helper),
-    j_return_texture_method_(
-        GetMethodID(jni,
-                    FindClass(jni, "org/webrtc/SurfaceTextureHelper"),
-                    "returnTextureFrame",
-                    "()V")) {
-  CHECK_EXCEPTION(jni) << "error during initialization of SurfaceTextureHelper";
+namespace {
+
+static pthread_once_t g_initialize_once = PTHREAD_ONCE_INIT;
+
+// There can only be one JNI_OnLoad in each binary. So since this is a GTEST
+// C++ runner binary, we want to initialize the same global objects we normally
+// do if this had been a Java binary.
+void EnsureInitializedOnce() {
+  RTC_CHECK(::base::android::IsVMInitialized());
+  JNIEnv* jni = ::base::android::AttachCurrentThread();
+  JavaVM* jvm = NULL;
+  RTC_CHECK_EQ(0, jni->GetJavaVM(&jvm));
+  jobject context = ::base::android::GetApplicationContext();
+
+  RTC_CHECK_GE(webrtc_jni::InitGlobalJniVariables(jvm), 0);
+  RTC_CHECK(rtc::InitializeSSL()) << "Failed to InitializeSSL()";
+  webrtc_jni::LoadGlobalClassReferenceHolder();
+
+  webrtc::VoiceEngine::SetAndroidObjects(jvm, context);
 }
 
-SurfaceTextureHelper::~SurfaceTextureHelper() {
+}  // anonymous namespace
+
+void InitializeAndroidObjects() {
+  RTC_CHECK_EQ(0, pthread_once(&g_initialize_once, &EnsureInitializedOnce));
 }
 
-void SurfaceTextureHelper::ReturnTextureFrame() const {
-  JNIEnv* jni = AttachCurrentThreadIfNeeded();
-  jni->CallVoidMethod(*j_surface_texture_helper_, j_return_texture_method_);
-
-  CHECK_EXCEPTION(
-      jni) << "error during SurfaceTextureHelper.returnTextureFrame";
-}
-
-rtc::scoped_refptr<webrtc::VideoFrameBuffer>
-SurfaceTextureHelper::CreateTextureFrame(int width, int height,
-    const NativeHandleImpl& native_handle) {
-  return new rtc::RefCountedObject<AndroidTextureBuffer>(
-      width, height, native_handle, *j_surface_texture_helper_,
-      rtc::Bind(&SurfaceTextureHelper::ReturnTextureFrame, this));
-}
-
-}  // namespace webrtc_jni
+}  // namespace webrtc