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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_COMPUTE_PRESSURE_WEB_CONTENTS_PRESSURE_MANAGER_PROXY_H_
#define CONTENT_BROWSER_COMPUTE_PRESSURE_WEB_CONTENTS_PRESSURE_MANAGER_PROXY_H_
#include <optional>
#include "base/containers/flat_map.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/unguessable_token.h"
#include "content/common/content_export.h"
#include "content/public/browser/web_contents_user_data.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/public/mojom/pressure_manager.mojom.h"
#include "services/device/public/mojom/pressure_update.mojom-shared.h"
namespace content {
class ScopedVirtualPressureSourceForDevTools;
class CONTENT_EXPORT WebContentsPressureManagerProxy final
: public WebContentsUserData<WebContentsPressureManagerProxy> {
public:
class Observer : public base::CheckedObserver {
public:
virtual void DidAddVirtualPressureSource(device::mojom::PressureSource) = 0;
virtual void DidRemoveVirtualPressureSource(
device::mojom::PressureSource) = 0;
};
~WebContentsPressureManagerProxy() override;
static WebContentsPressureManagerProxy* GetOrCreate(WebContents*);
std::optional<base::UnguessableToken> GetTokenFor(
device::mojom::PressureSource) const;
void AddObserver(Observer*);
void RemoveObserver(Observer*);
std::unique_ptr<ScopedVirtualPressureSourceForDevTools>
CreateVirtualPressureSourceForDevTools(
device::mojom::PressureSource,
device::mojom::VirtualPressureSourceMetadataPtr);
private:
friend class ScopedVirtualPressureSourceForDevTools;
explicit WebContentsPressureManagerProxy(WebContents*);
void EnsureDeviceServiceConnection();
device::mojom::PressureManager* GetPressureManager();
void OnScopedVirtualPressureSourceDevToolsDeletion(
const ScopedVirtualPressureSourceForDevTools&);
mojo::Remote<device::mojom::PressureManager> pressure_manager_;
base::ObserverList<Observer, /*check_empty=*/true> observers_;
base::flat_map<device::mojom::PressureSource, base::UnguessableToken>
virtual_pressure_sources_tokens_;
base::WeakPtrFactory<WebContentsPressureManagerProxy> weak_ptr_factory_{this};
friend WebContentsUserData;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
// This class is the public interface to the virtual pressure source related
// Mojo calls. Instances are created by
// WebContentsPressureManagerProxy::CreateVirtualPressurSourceForDevTools().
//
// RemoveVirtualPressureSource() is invoked automatically on destruction, and
// CreateVirtualPressureSource() is invoked automatically on creation.
class CONTENT_EXPORT ScopedVirtualPressureSourceForDevTools final {
public:
~ScopedVirtualPressureSourceForDevTools();
device::mojom::PressureSource source() const;
base::UnguessableToken token() const;
void UpdateVirtualPressureSourceData(
device::mojom::PressureState,
double own_contribution_estimate,
device::mojom::PressureManager::UpdateVirtualPressureSourceDataCallback
callback);
private:
friend class WebContentsPressureManagerProxy;
ScopedVirtualPressureSourceForDevTools(
device::mojom::PressureSource,
device::mojom::VirtualPressureSourceMetadataPtr,
base::WeakPtr<WebContentsPressureManagerProxy>);
const device::mojom::PressureSource source_;
const base::UnguessableToken token_;
base::WeakPtr<WebContentsPressureManagerProxy>
web_contents_pressure_manager_proxy_;
};
} // namespace content
#endif // CONTENT_BROWSER_COMPUTE_PRESSURE_WEB_CONTENTS_PRESSURE_MANAGER_PROXY_H_
|
