Added support for GVR controllers

device/vr/android/gvr/gvr_device_provider.cc

 // Copyright 2016 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 "device/vr/android/gvr/gvr_device_provider.h"
 
 #include <jni.h>
 
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_utils.h"
 #include "base/android/scoped_java_ref.h"
 #include "device/vr/android/gvr/gvr_delegate.h"
 #include "device/vr/android/gvr/gvr_device.h"
+#include "device/vr/android/gvr/gvr_gamepad_data_fetcher.h"
 #include "device/vr/vr_device_manager.h"
 #include "jni/GvrDeviceProvider_jni.h"
 #include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr.h"
+#include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr_controller.h"
+#include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr_types.h"
 
 using base::android::AttachCurrentThread;
 using base::android::GetApplicationContext;
 
 namespace device {
 
 // A temporary delegate till a VrShell instance becomes available.
 class GvrNonPresentingDelegate : public GvrDelegate {
  public:
   GvrNonPresentingDelegate() { Initialize(); }
@@ skipping 32 matching lines @@
                                 float left,
                                 float top,
                                 float width,
                                 float height) override {}
 
   gvr::GvrApi* gvr_api() override { return gvr_api_.get(); }
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> j_device_;
   std::unique_ptr<gvr::GvrApi> gvr_api_;
+  std::unique_ptr<gvr::GvrApi> controller_api_;

[bshe, 2016/09/20 15:35:03]

doesn't look like controller_api_ is used?

 };
 
 GvrDeviceProvider::GvrDeviceProvider()
     : VRDeviceProvider(),
       main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()) {}
 
 GvrDeviceProvider::~GvrDeviceProvider() {
+  GamepadDataFetcherManager::GetInstance()->RemoveSourceFactory(
+      GAMEPAD_SOURCE_GVR);
+
   ExitPresent();
 }
 
 void GvrDeviceProvider::GetDevices(std::vector<VRDevice*>* devices) {
   Initialize();
 
   if (vr_device_)
     devices->push_back(vr_device_.get());
 }
 
 void GvrDeviceProvider::SetClient(VRClientDispatcher* client) {
   if (!client_)
     client_.reset(client);
 }
 
 void GvrDeviceProvider::Initialize() {
   if (!non_presenting_delegate_) {
     non_presenting_delegate_.reset(new GvrNonPresentingDelegate());
     if (non_presenting_delegate_->gvr_api()) {
       vr_device_.reset(new GvrDevice(this, non_presenting_delegate_.get()));
       client_->OnDeviceConnectionStatusChanged(vr_device_.get(), true);
+
+      GamepadDataFetcherManager::GetInstance()->AddFactory(
+          new GvrGamepadDataFetcher::Factory(non_presenting_delegate_.get()));
     }
   }
 }
 
 bool GvrDeviceProvider::RequestPresent() {
   GvrDelegateProvider* delegate_provider = GvrDelegateProvider::GetInstance();
   if (!delegate_provider)
     return false;
 
   return delegate_provider->RequestWebVRPresent(this);
@@ skipping 31 matching lines @@
       base::Bind(&GvrDeviceProvider::ExitPresent, base::Unretained(this)));
 }
 
 void GvrDeviceProvider::GvrDelegateReady(GvrDelegate* delegate) {
   DCHECK(main_thread_task_runner_->BelongsToCurrentThread());
 
   vr_device_->SetDelegate(delegate);
 }
 
 }  // namespace device