chromecast/app/android/cast_jni_loader.cc

   1 // Copyright 2014 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 "base/android/jni_android.h"
   6 #include "base/bind.h"
   7 #include "chromecast/android/cast_jni_registrar.h"
   8 #include "chromecast/android/platform_jni_loader.h"
   9 #include "chromecast/app/cast_main_delegate.h"
  10 #include "content/public/app/content_jni_onload.h"
  11 #include "content/public/app/content_main.h"
  12 #include "content/public/browser/android/compositor.h"
  13
  14 namespace {
  15
  16 bool RegisterJNI(JNIEnv* env) {
  17   // To be called only from the UI thread.  If loading the library is done on
  18   // a separate thread, this should be moved elsewhere.
  19   if (!chromecast::android::RegisterJni(env))
  20     return false;
  21   // Allow platform-specific implementations to perform more JNI registration.
  22   if (!chromecast::android::PlatformRegisterJni(env))
  23     return false;
  24   return true;
  25 }
  26
  27 bool Init() {
  28   content::Compositor::Initialize();
  29   content::SetContentMainDelegate(new chromecast::shell::CastMainDelegate);
  30   return true;
  31 }
  32
  33 }  // namespace
  34
  35 // This is called by the VM when the shared library is first loaded.
  36 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
  37   std::vector<base::android::RegisterCallback> register_callbacks;
  38   register_callbacks.push_back(base::Bind(&RegisterJNI));
  39   std::vector<base::android::InitCallback> init_callbacks;
  40   init_callbacks.push_back(base::Bind(&Init));
  41   if (!content::android::OnJNIOnLoadRegisterJNI(vm, register_callbacks) ||
  42       !content::android::OnJNIOnLoadInit(init_callbacks)) {
  43     return -1;
  44   }
  45   return JNI_VERSION_1_4;
  46 }