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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/PowerManager.h"
#include "mozilla/Hal.h"
#include "WakeLock.h"
#include "nsDOMClassInfoID.h"
#include "nsIDOMWakeLockListener.h"
#include "nsIDocument.h"
#include "nsIPermissionManager.h"
#include "nsIPowerManagerService.h"
#include "nsIPrincipal.h"
#include "nsPIDOMWindow.h"
#include "nsServiceManagerUtils.h"
#include "nsError.h"
#include "mozilla/dom/MozPowerManagerBinding.h"
#include "mozilla/Services.h"
namespace mozilla {
namespace dom {
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PowerManager)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsIDOMMozWakeLockListener)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PowerManager, mListeners, mWindow)
NS_IMPL_CYCLE_COLLECTING_ADDREF(PowerManager)
NS_IMPL_CYCLE_COLLECTING_RELEASE(PowerManager)
/* virtual */ JSObject*
PowerManager::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return MozPowerManagerBinding::Wrap(aCx, this, aGivenProto);
}
nsresult
PowerManager::Init(nsPIDOMWindowInner* aWindow)
{
mWindow = aWindow;
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
NS_ENSURE_STATE(pmService);
// Add ourself to the global notification list.
pmService->AddWakeLockListener(this);
return NS_OK;
}
nsresult
PowerManager::Shutdown()
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
NS_ENSURE_STATE(pmService);
// Remove ourself from the global notification list.
pmService->RemoveWakeLockListener(this);
return NS_OK;
}
void
PowerManager::Reboot(ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
pmService->Reboot();
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
void
PowerManager::FactoryReset(mozilla::dom::FactoryResetReason& aReason)
{
hal::FactoryReset(aReason);
}
void
PowerManager::PowerOff(ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
pmService->PowerOff();
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
void
PowerManager::AddWakeLockListener(nsIDOMMozWakeLockListener *aListener)
{
if (!mListeners.Contains(aListener)) {
mListeners.AppendElement(aListener);
}
}
void
PowerManager::RemoveWakeLockListener(nsIDOMMozWakeLockListener *aListener)
{
mListeners.RemoveElement(aListener);
}
void
PowerManager::GetWakeLockState(const nsAString& aTopic,
nsAString& aState,
ErrorResult& aRv)
{
nsCOMPtr<nsIPowerManagerService> pmService =
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
if (pmService) {
aRv = pmService->GetWakeLockState(aTopic, aState);
} else {
aRv.Throw(NS_ERROR_UNEXPECTED);
}
}
NS_IMETHODIMP
PowerManager::Callback(const nsAString &aTopic, const nsAString &aState)
{
/**
* We maintain a local listener list instead of using the global
* list so that when the window is destroyed we don't have to
* cleanup the mess.
* Copy the listeners list before we walk through the callbacks
* because the callbacks may install new listeners. We expect no
* more than one listener per window, so it shouldn't be too long.
*/
AutoTArray<nsCOMPtr<nsIDOMMozWakeLockListener>, 2> listeners(mListeners);
for (uint32_t i = 0; i < listeners.Length(); ++i) {
listeners[i]->Callback(aTopic, aState);
}
return NS_OK;
}
bool
PowerManager::ScreenEnabled()
{
return hal::GetScreenEnabled();
}
void
PowerManager::SetScreenEnabled(bool aEnabled)
{
hal::SetScreenEnabled(aEnabled);
}
bool
PowerManager::KeyLightEnabled()
{
return hal::GetKeyLightEnabled();
}
void
PowerManager::SetKeyLightEnabled(bool aEnabled)
{
hal::SetKeyLightEnabled(aEnabled);
}
double
PowerManager::ScreenBrightness()
{
return hal::GetScreenBrightness();
}
void
PowerManager::SetScreenBrightness(double aBrightness, ErrorResult& aRv)
{
if (0 <= aBrightness && aBrightness <= 1) {
hal::SetScreenBrightness(aBrightness);
} else {
aRv.Throw(NS_ERROR_INVALID_ARG);
}
}
bool
PowerManager::CpuSleepAllowed()
{
return hal::GetCpuSleepAllowed();
}
void
PowerManager::SetCpuSleepAllowed(bool aAllowed)
{
hal::SetCpuSleepAllowed(aAllowed);
}
already_AddRefed<PowerManager>
PowerManager::CreateInstance(nsPIDOMWindowInner* aWindow)
{
RefPtr<PowerManager> powerManager = new PowerManager();
if (NS_FAILED(powerManager->Init(aWindow))) {
powerManager = nullptr;
}
return powerManager.forget();
}
} // namespace dom
} // namespace mozilla
|
