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/*
Copyright 2012 bigbiff/Dees_Troy TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TWRP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TWRP. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string>
#include <pthread.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include "pages.hpp"
#include "blanktimer.hpp"
#include "../data.hpp"
extern "C" {
#include "../twcommon.h"
}
#include "../minuitwrp/minui.h"
#include "../twrp-functions.hpp"
#include "../variables.h"
blanktimer::blanktimer(void) {
pthread_mutex_init(&mutex, NULL);
setTime(0); // no timeout
state = kOn;
orig_brightness = getBrightness();
}
bool blanktimer::isScreenOff() {
return state >= kOff;
}
void blanktimer::setTime(int newtime) {
pthread_mutex_lock(&mutex);
sleepTimer = newtime;
pthread_mutex_unlock(&mutex);
}
void blanktimer::setTimer(void) {
clock_gettime(CLOCK_MONOTONIC, &btimer);
}
void blanktimer::checkForTimeout() {
#ifndef TW_NO_SCREEN_TIMEOUT
pthread_mutex_lock(&mutex);
timespec curTime, diff;
clock_gettime(CLOCK_MONOTONIC, &curTime);
diff = TWFunc::timespec_diff(btimer, curTime);
if (sleepTimer > 2 && diff.tv_sec > (sleepTimer - 2) && state == kOn) {
orig_brightness = getBrightness();
state = kDim;
TWFunc::Set_Brightness("5");
}
if (sleepTimer && diff.tv_sec > sleepTimer && state < kOff) {
state = kOff;
TWFunc::Set_Brightness("0");
TWFunc::check_and_run_script("/sbin/postscreenblank.sh", "blank");
PageManager::ChangeOverlay("lock");
}
#ifndef TW_NO_SCREEN_BLANK
if (state == kOff) {
gr_fb_blank(true);
state = kBlanked;
}
#endif
pthread_mutex_unlock(&mutex);
#endif
}
string blanktimer::getBrightness(void) {
string result;
if (DataManager::GetIntValue("tw_has_brightnesss_file")) {
DataManager::GetValue("tw_brightness", result);
if (result.empty())
result = "255";
}
return result;
}
void blanktimer::resetTimerAndUnblank(void) {
#ifndef TW_NO_SCREEN_TIMEOUT
pthread_mutex_lock(&mutex);
setTimer();
switch (state) {
case kBlanked:
#ifndef TW_NO_SCREEN_BLANK
gr_fb_blank(false);
#endif
// TODO: this is asymmetric with postscreenblank.sh - shouldn't it be under the next case label?
TWFunc::check_and_run_script("/sbin/postscreenunblank.sh", "unblank");
// No break here, we want to keep going
case kOff:
gui_forceRender();
// No break here, we want to keep going
case kDim:
if (!orig_brightness.empty())
TWFunc::Set_Brightness(orig_brightness);
state = kOn;
case kOn:
break;
}
pthread_mutex_unlock(&mutex);
#endif
}
void blanktimer::blank(void) {
/* 1) No need for timer handling since checkForTimeout() verifies
* state of screen before performing screen-off
* 2) Assume screen-off causes issues for devices that set
* TW_NO_SCREEN_TIMEOUT and do not blank screen here either
*/
#ifndef TW_NO_SCREEN_TIMEOUT
pthread_mutex_lock(&mutex);
if (state == kOn) {
orig_brightness = getBrightness();
state = kOff;
TWFunc::Set_Brightness("0");
TWFunc::check_and_run_script("/sbin/postscreenblank.sh", "blank");
}
#ifndef TW_NO_SCREEN_BLANK
if (state == kOff) {
gr_fb_blank(true);
state = kBlanked;
}
#endif
pthread_mutex_unlock(&mutex);
#endif
}
void blanktimer::toggleBlank(void) {
if (state == kOn) {
blank();
PageManager::ChangeOverlay("lock");
} else {
resetTimerAndUnblank();
}
}
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