blob: 64e7867c2a245a7e761fc76436cf67f83c81cdec (
plain)
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
|
// Copyright 2015 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.
#ifndef CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_H_
#define CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_H_
#include <stdint.h>
#include <map>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "media/base/media_permission.h"
#include "third_party/WebKit/public/platform/modules/permissions/permission.mojom.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace content {
// MediaPermission implementation using content PermissionService.
class CONTENT_EXPORT MediaPermissionDispatcher : public media::MediaPermission {
public:
using ConnectToServiceCB = base::RepeatingCallback<void(
mojo::InterfaceRequest<blink::mojom::PermissionService>)>;
using IsEncryptedMediaEnabledCB = base::RepeatingCallback<bool()>;
MediaPermissionDispatcher(
const ConnectToServiceCB& connect_to_service_cb,
const IsEncryptedMediaEnabledCB& is_encrypted_media_enabled_cb);
~MediaPermissionDispatcher() override;
// Called when the frame owning this MediaPermissionDispatcher is navigated.
void OnNavigation();
// media::MediaPermission implementation.
// Note: Can be called on any thread. The |permission_status_cb| will always
// be fired on the thread where these methods are called.
void HasPermission(Type type,
const PermissionStatusCB& permission_status_cb) override;
void RequestPermission(
Type type,
const PermissionStatusCB& permission_status_cb) override;
bool IsEncryptedMediaEnabled() override;
private:
// Map of request IDs and pending PermissionStatusCBs.
typedef std::map<uint32_t, PermissionStatusCB> RequestMap;
// Register PermissionStatusCBs. Returns |request_id| that can be used to make
// PermissionService calls.
uint32_t RegisterCallback(const PermissionStatusCB& permission_status_cb);
// Ensure there is a connection to the permission service and return it.
blink::mojom::PermissionService* GetPermissionService();
// Callback for |permission_service_| calls.
void OnPermissionStatus(uint32_t request_id,
blink::mojom::PermissionStatus status);
// Callback for |permission_service_| connection errors.
void OnConnectionError();
ConnectToServiceCB connect_to_service_cb_;
IsEncryptedMediaEnabledCB is_encrypted_media_enabled_cb_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
uint32_t next_request_id_;
RequestMap requests_;
blink::mojom::PermissionServicePtr permission_service_;
// Used to safely post MediaPermission calls for execution on |task_runner_|.
base::WeakPtr<MediaPermissionDispatcher> weak_ptr_;
base::WeakPtrFactory<MediaPermissionDispatcher> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(MediaPermissionDispatcher);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_MEDIA_PERMISSION_DISPATCHER_H_
|
