vr_flinger.h revision f43d13e4e35ae7d3cdafc4b97c819669d42cef78 
1#ifndef ANDROID_DVR_VR_FLINGER_H_
2#define ANDROID_DVR_VR_FLINGER_H_
3
4#include <thread>
5#include <memory>
6
7#include <pdx/default_transport/service_dispatcher.h>
8#include <vr/vr_manager/vr_manager.h>
9
10namespace android {
11
12namespace Hwc2 {
13class Composer;
14}  // namespace Hwc2
15
16namespace dvr {
17
18class DisplayService;
19
20class VrFlinger {
21 public:
22  using RequestDisplayCallback = std::function<void(bool)>;
23  static std::unique_ptr<VrFlinger> Create(
24      Hwc2::Composer* hidl, RequestDisplayCallback request_display_callback);
25  ~VrFlinger();
26
27  // These functions are all called on surface flinger's main thread.
28  void OnBootFinished();
29  void GrantDisplayOwnership();
30  void SeizeDisplayOwnership();
31
32  // Called on a binder thread.
33  void OnHardwareComposerRefresh();
34
35 private:
36  VrFlinger();
37  bool Init(Hwc2::Composer* hidl,
38            RequestDisplayCallback request_display_callback);
39
40  // Needs to be a separate class for binder's ref counting
41  class PersistentVrStateCallback : public BnPersistentVrStateCallbacks {
42   public:
43    PersistentVrStateCallback(RequestDisplayCallback request_display_callback)
44        : request_display_callback_(request_display_callback) {}
45    void onPersistentVrStateChanged(bool enabled) override;
46   private:
47    RequestDisplayCallback request_display_callback_;
48  };
49
50  std::thread dispatcher_thread_;
51  std::unique_ptr<android::pdx::ServiceDispatcher> dispatcher_;
52  std::shared_ptr<android::dvr::DisplayService> display_service_;
53  sp<PersistentVrStateCallback> persistent_vr_state_callback_;
54  RequestDisplayCallback request_display_callback_;
55};
56
57} // namespace dvr
58} // namespace android
59
60#endif // ANDROID_DVR_VR_FLINGER_H_
61