2 // Tizen Web Device API
3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 // Licensed under the Apache License, Version 2.0 (the License);
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
18 #include "PowerManager.h"
25 #include <PlatformException.h>
29 using namespace DeviceAPI::Common;
36 PowerResource::PowerResource(const char *resource)
38 if( strcmp(resource,"SCREEN") == 0 )
40 else if( strcmp(resource,"CPU") == 0 )
43 throw TypeMismatchException("value is not PowerResource type");
46 const std::string PowerResource::toString(){
47 static const char *table[] = {"SCREEN", "CPU"};
48 return std::string(table[mType]);
52 PowerState::PowerState(const char *str)
54 static const char *table[] = { "SCREEN_OFF", "SCREEN_DIM", "SCREEN_NORMAL", "SCREEN_BRIGHT", "CPU_AWAKE"};
55 static state state_table[] = { SCREENOFF, SCREENDIM, SCREENNORMAL, SCREENBRIGHT, CPUAWAKE };
56 for(unsigned int i =0; i < sizeof(table)/sizeof(char*) ; i++){
57 if( strcmp(str, table[i]) == 0 ){
58 mState = state_table[i];
62 throw TypeMismatchException("value is not PowerState type");
65 PowerState::PowerState(state in):mState(in){
68 const std::string PowerState::toString(){
69 static const char *table[] = { "SCREEN_OFF", "SCREEN_DIM", "SCREEN_NORMAL", "SCREEN_BRIGHT", "CPU_AWAKE"};
70 return std::string(table[mState]);
74 void PowerManager::onPlatformStateChangedCB(power_state_e state, void *user_data){
75 PowerManager* object = static_cast<PowerManager*>(user_data);
77 LOGE("User data is NULL");
80 PowerState current(PowerState::SCREENOFF);
82 case POWER_STATE_NORMAL :
83 current.mState = object->mBrightStateEnable ? PowerState::SCREENBRIGHT : PowerState::SCREENNORMAL;
85 case POWER_STATE_SCREEN_DIM :
86 current.mState = PowerState::SCREENDIM;
88 case POWER_STATE_SCREEN_OFF :
89 current.mState = PowerState::SCREENOFF;
92 object->broadcastScreenState(current);
96 void PowerManager::request(PowerResource resource, PowerState state){
97 if( resource == PowerResource::SCREEN && state == PowerState::CPUAWAKE)
98 throw InvalidValuesException("invalid PowerState");
99 if( resource == PowerResource::CPU && state != PowerState::CPUAWAKE)
100 throw InvalidValuesException("invalid PowerState");
103 int native_state = POWER_STATE_SCREEN_OFF;
105 case PowerState::SCREENDIM :
106 native_state = POWER_STATE_SCREEN_DIM;
107 case PowerState::SCREENNORMAL :
108 native_state = POWER_STATE_NORMAL;
109 case PowerState::CPUAWAKE :
110 ret = power_lock_state( state.mState == PowerState::SCREENDIM ? POWER_STATE_SCREEN_DIM : POWER_STATE_NORMAL, 0);
111 if( POWER_ERROR_NONE!=ret )
112 throw UnknownException("power_lock_state error");
114 case PowerState::SCREENBRIGHT :
116 int maxBrightness = 100;
117 ret = device_get_max_brightness(0, &maxBrightness);
118 if( DEVICE_ERROR_NONE!=ret) {
119 LOGE("Platform error while getting max brightness: %d", ret);
122 ret = device_set_brightness(0, maxBrightness);
123 if( DEVICE_ERROR_NONE!=ret)
124 throw UnknownException("Platform error while setting max brightness:");
126 LOGI("Succeeded setting the brightness to a max level: %d", maxBrightness);
127 ret = power_lock_state(POWER_STATE_NORMAL, 0);
128 if( POWER_ERROR_NONE!=ret )
129 throw UnknownException("Platform error while locking state");
131 mBrightStateEnable = true;
132 power_state_e platform_state = power_get_state();
133 if( platform_state == POWER_STATE_NORMAL)
134 broadcastScreenState(PowerState::SCREENBRIGHT);
138 throw UnknownException("Platform error while locking state");
142 void PowerManager::release(PowerResource resource){
144 if( PowerResource::SCREEN == resource ) {
145 ret = power_unlock_state(POWER_STATE_SCREEN_DIM);
146 if( POWER_ERROR_NONE!=ret )
147 LOGI("Platform return value from dim unlock: %d", ret);
149 ret = power_unlock_state(POWER_STATE_NORMAL);
150 if( POWER_ERROR_NONE!=ret )
151 LOGI("Platform return value from dim unlock: %d", ret);
153 ret = device_set_brightness_from_settings(0);
154 if( DEVICE_ERROR_NONE!=ret)
155 throw UnknownException("Platform error while setting restore brightness");
157 mBrightStateEnable = false;
158 power_state_e platform_state = power_get_state();
159 if( platform_state == POWER_STATE_NORMAL)
160 broadcastScreenState(PowerState::SCREENNORMAL);
162 } else if( PowerResource::CPU == resource ) {
163 ret = power_unlock_state(POWER_STATE_SCREEN_OFF);
164 if( POWER_ERROR_NONE!=ret )
165 LOGI("Platform return value from off unlock: %d", ret);
169 double PowerManager::getScreenBrightness(){
171 ret = device_get_brightness(0, &brightness);
172 if( DEVICE_ERROR_NONE!=ret )
173 throw UnknownException("Platform error while get brightness");
174 LOGI("Brightness value: %d", brightness);
175 return brightness/100.0;
178 void PowerManager::setScreenBrightness(double brightness){
180 ret = device_set_brightness(0, (int)(brightness*100));
181 if( DEVICE_ERROR_NONE!=ret )
182 throw UnknownException("Platform error while setting brightness.");
183 LOGI("Set the brightness value: %d", (int)(brightness*100));
186 bool PowerManager::isScreenOn(){
187 power_state_e state = power_get_state();
188 if(POWER_STATE_SCREEN_OFF==state)
194 void PowerManager::setScreenState(bool onoff){
197 ret = pm_change_state(LCD_NORMAL);
199 ret = pm_change_state(LCD_OFF);
202 throw UnknownException("Platform error while changing screen state");
205 void PowerManager::restoreScreenBrightness(){
207 ret = device_set_brightness_from_settings(0);
208 if( DEVICE_ERROR_NONE!=ret)
209 throw UnknownException("Platform error while restoring brightness");
212 PowerManager* PowerManager::getInstance(){
213 static PowerManager instance;
217 void PowerManager::addScreenStateChangedCallback(Common::CallbackUserData * callback){
218 list<CallbackUserData*>::iterator itr;
219 itr = find(mListener.begin(), mListener.end(), callback);
220 if( itr == mListener.end() )
221 mListener.push_back(callback);
224 void PowerManager::removeScreenStateChangedCallback(Common::CallbackUserData * callback){
225 mListener.remove(callback);
228 void PowerManager::broadcastScreenState(PowerState current){
229 if( mCurrentState == current)
232 list<CallbackUserData*> tmplist(mListener);
233 list<CallbackUserData*>::iterator itr = tmplist.begin();
235 while( itr != tmplist.end() ){
236 CallbackUserData *callback = *itr;
237 if( callback != NULL ){
238 JSValueRef previousState = JSUtil::toJSValueRef(callback->getContext(), mCurrentState.toString());
239 JSValueRef currentState = JSUtil::toJSValueRef(callback->getContext(), current.toString());
240 JSValueRef args[2] = { previousState, currentState };
241 callback->callSuccessCallback(2, args);
245 mCurrentState = current;
249 PowerManager::PowerManager():mCurrentState(PowerState::SCREENNORMAL),mBrightStateEnable(false){
250 power_state_e platform_state = power_get_state();
251 switch( platform_state ){
252 case POWER_STATE_NORMAL :
253 mCurrentState.mState = PowerState::SCREENNORMAL;
255 case POWER_STATE_SCREEN_DIM :
256 mCurrentState.mState = PowerState::SCREENDIM;
258 case POWER_STATE_SCREEN_OFF :
259 mCurrentState.mState = PowerState::SCREENOFF;
262 power_set_changed_cb(PowerManager::onPlatformStateChangedCB, this);
264 PowerManager::~PowerManager(){
265 power_unset_changed_cb();