1 /* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "accessibility_display_manager.h" 17 #include "accessible_ability_manager_service.h" 18 #include "hilog_wrapper.h" 19 20 namespace OHOS { 21 namespace Accessibility { AccessibilityDisplayManager()22AccessibilityDisplayManager::AccessibilityDisplayManager() 23 { 24 } 25 ~AccessibilityDisplayManager()26AccessibilityDisplayManager::~AccessibilityDisplayManager() 27 { 28 UnregisterDisplayListener(); 29 } 30 GetDisplay(uint64_t id)31const sptr<Rosen::Display> AccessibilityDisplayManager::GetDisplay(uint64_t id) 32 { 33 HILOG_DEBUG(); 34 return Rosen::DisplayManager::GetInstance().GetDisplayById(id); 35 } 36 GetDisplays()37std::vector<sptr<Rosen::Display>> AccessibilityDisplayManager::GetDisplays() 38 { 39 HILOG_DEBUG(); 40 return Rosen::DisplayManager::GetInstance().GetAllDisplays(); 41 } 42 GetDefaultDisplay()43const sptr<Rosen::Display> AccessibilityDisplayManager::GetDefaultDisplay() 44 { 45 HILOG_DEBUG(); 46 return Rosen::DisplayManager::GetInstance().GetDefaultDisplay(); 47 } 48 GetDefaultDisplayId()49uint64_t AccessibilityDisplayManager::GetDefaultDisplayId() 50 { 51 HILOG_DEBUG(); 52 return Rosen::DisplayManager::GetInstance().GetDefaultDisplayId(); 53 } 54 RegisterDisplayListener(const std::shared_ptr<AppExecFwk::EventHandler> & handler)55void AccessibilityDisplayManager::RegisterDisplayListener( 56 const std::shared_ptr<AppExecFwk::EventHandler> &handler) 57 { 58 HILOG_DEBUG(); 59 if (listener_) { 60 HILOG_DEBUG("Display listener is already registed!"); 61 return; 62 } 63 handler_ = handler; 64 listener_ = new(std::nothrow) DisplayListener(); 65 if (!listener_) { 66 HILOG_ERROR("Create display listener fail!"); 67 return; 68 } 69 Rosen::DisplayManager::GetInstance().RegisterDisplayListener(listener_); 70 } 71 UnregisterDisplayListener()72void AccessibilityDisplayManager::UnregisterDisplayListener() 73 { 74 HILOG_DEBUG(); 75 if (listener_) { 76 Rosen::DisplayManager::GetInstance().UnregisterDisplayListener(listener_); 77 listener_ = nullptr; 78 handler_ = nullptr; 79 } 80 } 81 } // namespace Accessibility 82 } // namespace OHOS