142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
/*
|
|
* Copyright (C) 2019 The LineageOS Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define LOG_TAG "DisplayModesService"
|
|
|
|
#include "DisplayModes.h"
|
|
|
|
#include <android-base/logging.h>
|
|
#include <android-base/properties.h>
|
|
|
|
#include <fstream>
|
|
|
|
namespace vendor {
|
|
namespace lineage {
|
|
namespace livedisplay {
|
|
namespace V2_0 {
|
|
namespace implementation {
|
|
|
|
static constexpr const char* kDisplayModeProp = "sys.display.mode";
|
|
static const std::string kModeBasePath = "/sys/class/drm/card0-DSI-1/";
|
|
static const std::string kDefaultPath = "/data/misc/display/default_display_mode";
|
|
|
|
const std::map<int32_t, DisplayModes::ModeInfo> DisplayModes::kModeMap = {
|
|
{0, {"Standard", "default"}},
|
|
{1, {"DCI P3", "native_display_p3_mode"}},
|
|
{2, {"Wide Color", "native_display_wide_color_mode"}},
|
|
{3, {"sRGB", "native_display_srgb_color_mode"}},
|
|
};
|
|
|
|
DisplayModes::DisplayModes() : mDefaultModeId(0) {
|
|
std::ifstream defaultFile(kDefaultPath);
|
|
std::string value;
|
|
|
|
defaultFile >> value;
|
|
LOG(DEBUG) << "Default file read result " << value << " fail " << defaultFile.fail();
|
|
if (defaultFile.fail()) {
|
|
return;
|
|
}
|
|
|
|
for (const auto& entry : kModeMap) {
|
|
// Check if default mode is a valid mode
|
|
if (value == std::to_string(entry.first)) {
|
|
mDefaultModeId = entry.first;
|
|
android::base::SetProperty(kDisplayModeProp, entry.second.node);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Methods from ::vendor::lineage::livedisplay::V2_0::IDisplayModes follow.
|
|
Return<void> DisplayModes::getDisplayModes(getDisplayModes_cb resultCb) {
|
|
std::vector<DisplayMode> modes;
|
|
|
|
for (const auto& entry : kModeMap) {
|
|
modes.push_back({entry.first, entry.second.name});
|
|
}
|
|
resultCb(modes);
|
|
return Void();
|
|
}
|
|
|
|
Return<void> DisplayModes::getCurrentDisplayMode(getCurrentDisplayMode_cb resultCb) {
|
|
int32_t currentModeId = mDefaultModeId;
|
|
std::string value;
|
|
|
|
for (const auto& entry : kModeMap) {
|
|
if (entry.first == 0) {
|
|
continue;
|
|
}
|
|
|
|
std::ifstream modeFile(kModeBasePath + entry.second.node);
|
|
if (!modeFile.fail()) {
|
|
modeFile >> value;
|
|
if (value == "1") {
|
|
currentModeId = entry.first;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
resultCb({currentModeId, kModeMap.at(currentModeId).name});
|
|
return Void();
|
|
}
|
|
|
|
Return<void> DisplayModes::getDefaultDisplayMode(getDefaultDisplayMode_cb resultCb) {
|
|
resultCb({mDefaultModeId, kModeMap.at(mDefaultModeId).name});
|
|
return Void();
|
|
}
|
|
|
|
Return<bool> DisplayModes::setDisplayMode(int32_t modeID, bool makeDefault) {
|
|
// Disable all modes
|
|
for (const auto& entry : kModeMap) {
|
|
if (entry.first == 0) {
|
|
continue;
|
|
}
|
|
|
|
std::ofstream modeFile(kModeBasePath + entry.second.node);
|
|
if (!modeFile.fail()) {
|
|
modeFile << 0;
|
|
}
|
|
}
|
|
const auto iter = kModeMap.find(modeID);
|
|
if (iter == kModeMap.end()) {
|
|
return false;
|
|
}
|
|
if (modeID != 0) {
|
|
std::ofstream modeFile(kModeBasePath + iter->second.node);
|
|
modeFile << 1;
|
|
if (modeFile.fail()) {
|
|
return false;
|
|
}
|
|
android::base::SetProperty(kDisplayModeProp, iter->second.node);
|
|
}
|
|
|
|
if (makeDefault) {
|
|
std::ofstream defaultFile(kDefaultPath);
|
|
defaultFile << iter->first;
|
|
if (defaultFile.fail()) {
|
|
return false;
|
|
}
|
|
mDefaultModeId = iter->first;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace V2_0
|
|
} // namespace livedisplay
|
|
} // namespace lineage
|
|
} // namespace vendor
|