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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright (c) 2012 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.
#include "chrome/browser/ui/webui/options/media_devices_selection_handler.h"
#include "base/bind.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/generated_resources.h"
namespace {
const char kAudio[] = "mic";
const char kVideo[] = "camera";
} // namespace
namespace options {
MediaDevicesSelectionHandler::MediaDevicesSelectionHandler() {}
MediaDevicesSelectionHandler::~MediaDevicesSelectionHandler() {
MediaCaptureDevicesDispatcher::GetInstance()->RemoveObserver(this);
}
void MediaDevicesSelectionHandler::GetLocalizedValues(
base::DictionaryValue* values) {
DCHECK(values);
static OptionsStringResource resources[] = {
{ "mediaSelectMicLabel", IDS_MEDIA_SELECTED_MIC_LABEL },
{ "mediaSelectCameraLabel", IDS_MEDIA_SELECTED_CAMERA_LABEL },
};
RegisterStrings(values, resources, arraysize(resources));
}
void MediaDevicesSelectionHandler::InitializePage() {
// Register to the device observer list to get up-to-date device lists.
MediaCaptureDevicesDispatcher::GetInstance()->AddObserver(this);
// Update the device selection menus.
UpdateDevicesMenuForType(AUDIO);
UpdateDevicesMenuForType(VIDEO);
}
void MediaDevicesSelectionHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback("setDefaultCaptureDevice",
base::Bind(&MediaDevicesSelectionHandler::SetDefaultCaptureDevice,
base::Unretained(this)));
}
void MediaDevicesSelectionHandler::OnUpdateAudioDevices(
const content::MediaStreamDevices& devices) {
UpdateDevicesMenu(AUDIO, devices);
}
void MediaDevicesSelectionHandler::OnUpdateVideoDevices(
const content::MediaStreamDevices& devices) {
UpdateDevicesMenu(VIDEO, devices);
}
void MediaDevicesSelectionHandler::SetDefaultCaptureDevice(
const base::ListValue* args) {
DCHECK_EQ(2U, args->GetSize());
std::string type, device;
if (!(args->GetString(0, &type) && args->GetString(1, &device))) {
NOTREACHED();
return;
}
DCHECK(!type.empty());
DCHECK(!device.empty());
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->GetPrefs();
if (type == kAudio)
prefs->SetString(prefs::kDefaultAudioCaptureDevice, device);
else if (type == kVideo)
prefs->SetString(prefs::kDefaultVideoCaptureDevice, device);
else
NOTREACHED();
}
void MediaDevicesSelectionHandler::UpdateDevicesMenu(
DeviceType type, const content::MediaStreamDevices& devices) {
// Get the default device unique id from prefs.
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->GetPrefs();
std::string default_device;
std::string device_type;
switch (type) {
case AUDIO:
default_device = prefs->GetString(prefs::kDefaultAudioCaptureDevice);
device_type = kAudio;
break;
case VIDEO:
default_device = prefs->GetString(prefs::kDefaultVideoCaptureDevice);
device_type = kVideo;
break;
}
// Build the list of devices to send to JS.
std::string default_id;
base::ListValue device_list;
for (size_t i = 0; i < devices.size(); ++i) {
base::DictionaryValue* entry = new base::DictionaryValue();
entry->SetString("name", devices[i].name);
entry->SetString("id", devices[i].id);
device_list.Append(entry);
if (devices[i].id == default_device)
default_id = default_device;
}
// Use the first device as the default device if the preferred default device
// does not exist in the OS.
if (!devices.empty() && default_id.empty())
default_id = devices[0].id;
base::StringValue default_value(default_id);
base::StringValue type_value(device_type);
web_ui()->CallJavascriptFunction("ContentSettings.updateDevicesMenu",
type_value,
device_list,
default_value);
}
void MediaDevicesSelectionHandler::UpdateDevicesMenuForType(DeviceType type) {
content::MediaStreamDevices devices;
switch (type) {
case AUDIO:
devices = MediaCaptureDevicesDispatcher::GetInstance()->
GetAudioCaptureDevices();
break;
case VIDEO:
devices = MediaCaptureDevicesDispatcher::GetInstance()->
GetVideoCaptureDevices();
break;
}
UpdateDevicesMenu(type, devices);
}
} // namespace options
|
