1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_GAMEPAD_GAMEPAD_SHARED_MEMORY_READER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_GAMEPAD_GAMEPAD_SHARED_MEMORY_READER_H_
#include "base/memory/raw_ptr.h"
#include "device/gamepad/public/mojom/gamepad.mojom-blink.h"
#include "device/gamepad/public/mojom/gamepad_hardware_buffer.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_receiver.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"
namespace base {
class ReadOnlySharedMemoryRegion;
}
namespace device {
template <class T>
class GamepadImpl;
using Gamepad = GamepadImpl<void>;
class Gamepads;
} // namespace device
namespace blink {
class GamepadListener;
class LocalDOMWindow;
class GamepadSharedMemoryReader
: public GarbageCollected<GamepadSharedMemoryReader>,
public device::mojom::blink::GamepadObserver {
public:
explicit GamepadSharedMemoryReader(LocalDOMWindow&);
~GamepadSharedMemoryReader() override;
void Trace(Visitor*) const;
void SampleGamepads(device::Gamepads* gamepads);
void Start(blink::GamepadListener* listener);
void Stop();
GamepadSharedMemoryReader(const GamepadSharedMemoryReader&) = delete;
GamepadSharedMemoryReader& operator=(const GamepadSharedMemoryReader&) =
delete;
protected:
void SendStartMessage();
void SendStopMessage();
private:
// device::mojom::blink::GamepadObserver methods.
void GamepadConnected(uint32_t index,
const device::Gamepad& gamepad) override;
void GamepadDisconnected(uint32_t index,
const device::Gamepad& gamepad) override;
base::ReadOnlySharedMemoryRegion renderer_shared_buffer_region_;
base::ReadOnlySharedMemoryMapping renderer_shared_buffer_mapping_;
raw_ptr<const device::GamepadHardwareBuffer> gamepad_hardware_buffer_ =
nullptr;
bool ever_interacted_with_ = false;
HeapMojoReceiver<device::mojom::blink::GamepadObserver,
GamepadSharedMemoryReader>
receiver_;
HeapMojoRemote<device::mojom::blink::GamepadMonitor> gamepad_monitor_remote_;
raw_ptr<blink::GamepadListener> listener_ = nullptr;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_GAMEPAD_GAMEPAD_SHARED_MEMORY_READER_H_
|
