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Commit 99172974 authored by Michael Sun's avatar Michael Sun
Browse files

btaa: subscribe to SystemSuspend for wakelock notification 

Subscribe to the SystemSuspend provided wakelock information by the
Bluetooth wakelock name.

Tag: #feature
Bug: 170315554
Test: verified BTAA module receives specified wakelock notification

Change-Id: Iad4dbf36690aea2ba9b1f151f0d0d118e6015781
parent 0e67533c

btaa/include/activity_attribution.h

+8 −0
Original line number Diff line number Diff line
@@ -19,9 +19,11 @@ 
#pragma once



#include <aidl/android/system/suspend/BnSuspendCallback.h>

#include <aidl/android/system/suspend/BnWakelockCallback.h>

#include <hardware/bt_activity_attribution.h>



using aidl::android::system::suspend::BnSuspendCallback;

using aidl::android::system::suspend::BnWakelockCallback;

using Status = ::ndk::ScopedAStatus;



namespace bluetooth {
@@ -34,6 +36,12 @@ class ActivityAttribution { 
  static void Initialize(ActivityAttributionCallbacks* callbacks);

};



class WakelockCallback : public BnWakelockCallback {

 public:

  Status notifyAcquired(void) override;

  Status notifyReleased(void) override;

};



class WakeupCallback : public BnSuspendCallback {

 public:

  Status notifyWakeup(bool success,

btaa/src/activity_attribution.cc

+25 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ using namespace ndk; 
namespace bluetooth {

namespace activity_attribution {



static const std::string kBtWakelockName("hal_bluetooth_lock");



class ActivityAttributionImpl;

static std::shared_ptr<ISuspendControlService> controlService;

static std::unique_ptr<ActivityAttributionImpl> instance;
@@ -38,6 +40,8 @@ class ActivityAttributionImpl : public ActivityAttribution { 
  ~ActivityAttributionImpl() override = default;

  ActivityAttributionImpl(ActivityAttributionCallbacks* callbacks);



  void onWakelockAcquired(void);

  void onWakelockReleased(void);

  void onWakeup(bool success, const std::vector<std::string>& wakeupReasons);



 private:
@@ -48,9 +52,23 @@ ActivityAttributionImpl::ActivityAttributionImpl( 
    ActivityAttributionCallbacks* callbacks)

    : mCallbacks(callbacks) {}



void ActivityAttributionImpl::onWakelockAcquired(void) {}



void ActivityAttributionImpl::onWakelockReleased(void) {}



void ActivityAttributionImpl::onWakeup(

    bool success, const std::vector<std::string>& wakeupReasons) {}



Status WakelockCallback::notifyAcquired(void) {

  instance->onWakelockAcquired();

  return Status::ok();

}



Status WakelockCallback::notifyReleased(void) {

  instance->onWakelockReleased();

  return Status::ok();

}



Status WakeupCallback::notifyWakeup(

    bool success, const std::vector<std::string>& wakeupReasons) {

  instance->onWakeup(success, wakeupReasons);
@@ -81,6 +99,13 @@ void ActivityAttribution::Initialize(ActivityAttributionCallbacks* callbacks) { 
    LOG(ERROR) << __func__ << " Fail to register wakeup callback";

    return;

  }



  register_callback_status = controlService->registerWakelockCallback(

      SharedRefBase::make<WakelockCallback>(), kBtWakelockName, &is_registered);

  if (!is_registered || !register_callback_status.isOk()) {

    LOG(ERROR) << __func__ << " Fail to register wakelock callback";

    return;

  }

}



}  // namespace activity_attribution