1 /* 2 * Copyright (c) 2013-14 The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation. nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef QSERVICEUTILS_H 31 #define QSERVICEUTILS_H 32 #include <binder/Parcel.h> 33 #include <binder/IServiceManager.h> 34 #include <utils/RefBase.h> 35 #include <IQService.h> 36 37 // ---------------------------------------------------------------------------- 38 // Helpers 39 // ---------------------------------------------------------------------------- 40 inline android::sp<qService::IQService> getBinder() { 41 android::sp<android::IServiceManager> sm = android::defaultServiceManager(); 42 android::sp<qService::IQService> binder = 43 android::interface_cast<qService::IQService> 44 (sm->getService(android::String16("display.qservice"))); 45 if (binder == NULL) { 46 ALOGE("%s: invalid binder object", __FUNCTION__); 47 } 48 return binder; 49 } 50 51 inline android::status_t sendSingleParam(uint32_t command, uint32_t value) { 52 android::status_t err = (android::status_t) android::FAILED_TRANSACTION; 53 android::sp<qService::IQService> binder = getBinder(); 54 android::Parcel inParcel, outParcel; 55 inParcel.writeInt32(value); 56 if(binder != NULL) { 57 err = binder->dispatch(command, &inParcel , &outParcel); 58 } 59 return err; 60 } 61 62 // ---------------------------------------------------------------------------- 63 // Convenience wrappers that clients can call 64 // ---------------------------------------------------------------------------- 65 inline android::status_t securing(uint32_t startEnd) { 66 return sendSingleParam(qService::IQService::SECURING, startEnd); 67 } 68 69 inline android::status_t unsecuring(uint32_t startEnd) { 70 return sendSingleParam(qService::IQService::UNSECURING, startEnd); 71 } 72 73 inline android::status_t screenRefresh() { 74 return sendSingleParam(qService::IQService::SCREEN_REFRESH, 1); 75 } 76 77 inline android::status_t toggleScreenUpdate(uint32_t on) { 78 return sendSingleParam(qService::IQService::TOGGLE_SCREEN_UPDATE, on); 79 } 80 81 inline android::status_t setPartialUpdate(uint32_t enable) { 82 return sendSingleParam(qService::IQService::SET_PARTIAL_UPDATE, enable); 83 } 84 85 inline android::status_t setExtOrientation(uint32_t orientation) { 86 return sendSingleParam(qService::IQService::EXTERNAL_ORIENTATION, 87 orientation); 88 } 89 90 inline android::status_t setBufferMirrorMode(uint32_t enable) { 91 return sendSingleParam(qService::IQService::BUFFER_MIRRORMODE, enable); 92 } 93 94 #endif /* end of include guard: QSERVICEUTILS_H */ 95