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/*
* Copyright (c) 2013-14, 2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef QSERVICEUTILS_H
#define QSERVICEUTILS_H
#include <binder/Parcel.h>
#include <binder/IServiceManager.h>
#include <utils/RefBase.h>
#include <IQService.h>
// ----------------------------------------------------------------------------
// Helpers
// ----------------------------------------------------------------------------
inline android::sp<qService::IQService> getBinder() {
android::sp<android::IServiceManager> sm = android::defaultServiceManager();
android::sp<qService::IQService> binder =
android::interface_cast<qService::IQService>
(sm->getService(android::String16("display.qservice")));
if (binder == NULL) {
ALOGE("%s: invalid binder object", __FUNCTION__);
}
return binder;
}
inline android::status_t sendSingleParam(uint32_t command, uint32_t value) {
android::status_t err = (android::status_t) android::FAILED_TRANSACTION;
android::sp<qService::IQService> binder = getBinder();
android::Parcel inParcel, outParcel;
inParcel.writeInt32(value);
if(binder != NULL) {
err = binder->dispatch(command, &inParcel , &outParcel);
}
return err;
}
// ----------------------------------------------------------------------------
// Convenience wrappers that clients can call
// ----------------------------------------------------------------------------
inline android::status_t screenRefresh(int dpy) {
return sendSingleParam(qService::IQService::SCREEN_REFRESH, dpy);
}
inline android::status_t toggleScreenUpdate(uint32_t on) {
return sendSingleParam(qService::IQService::TOGGLE_SCREEN_UPDATES, on);
}
inline android::status_t setCameraLaunchStatus(uint32_t on) {
return sendSingleParam(qService::IQService::SET_CAMERA_STATUS, on);
}
inline bool displayBWTransactionPending() {
android::status_t err = (android::status_t) android::FAILED_TRANSACTION;
bool ret = false;
android::sp<qService::IQService> binder = getBinder();
android::Parcel inParcel, outParcel;
if(binder != NULL) {
err = binder->dispatch(qService::IQService::GET_BW_TRANSACTION_STATUS,
&inParcel , &outParcel);
if(err != android::NO_ERROR){
ALOGE("GET_BW_TRANSACTION_STATUS binder call failed err=%d", err);
return ret;
}
}
ret = outParcel.readInt32();
return ret;
}
#endif /* end of include guard: QSERVICEUTILS_H */