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 #ifndef OHOS_ROSEN_WINDOW_NODE_STATE_MACHINE_H 17 #define OHOS_ROSEN_WINDOW_NODE_STATE_MACHINE_H 18 19 #include <atomic> 20 #include <deque> 21 #include <functional> 22 #include <mutex> 23 #include <vector> 24 #include "wm_common.h" 25 26 namespace OHOS { 27 namespace Rosen { 28 namespace { 29 using StateTask = std::function<void()>; 30 } 31 enum class WindowNodeState : uint32_t { 32 INITIAL, 33 STARTING_CREATED, 34 SHOW_ANIMATION_PLAYING, 35 SHOW_ANIMATION_DONE, 36 HIDE_ANIMATION_PLAYING, 37 HIDE_ANIMATION_DONE, 38 SHOWN, 39 HIDDEN, 40 DESTROYED 41 }; 42 43 class WindowNodeStateMachine { 44 public: 45 WindowNodeStateMachine(); 46 47 ~WindowNodeStateMachine(); 48 49 void TransitionTo(WindowNodeState state); 50 51 void UpdateAnimationTaskCount(bool isAdd); 52 53 int32_t GetAnimationCount(); 54 55 bool IsWindowNodeShownOrShowing(); 56 57 bool IsRemoteAnimationPlaying(); 58 59 bool IsWindowNodeHiddenOrHiding(); 60 61 WindowNodeState GetCurrentState(); 62 63 bool IsShowAnimationPlaying(); 64 65 bool IsHideAnimationPlaying(); 66 67 void SetDestroyTaskParam(bool onlySelf); 68 69 bool GetDestroyTaskParam(); 70 71 void SetDestroyTask(StateTask task); 72 73 bool GetDestroyTask(StateTask& task); 74 75 void ResetAnimationTaskCount(int32_t taskCount); 76 77 // test SetWindowId(uint32_t id)78 void SetWindowId(uint32_t id) 79 { 80 windowId_ = id; 81 } 82 SetWindowType(WindowType type)83 void SetWindowType(WindowType type) 84 { 85 type_ = type; 86 } 87 88 private: 89 std::deque<std::pair<std::string, StateTask>> stateTaskQ_; 90 WindowNodeState currState_ = WindowNodeState::INITIAL; 91 int32_t taskCount_ = 0; 92 std::recursive_mutex mutex_; 93 bool destroyOnlySelf_ = true; 94 // just for test 95 uint32_t windowId_ = 0; 96 WindowType type_ { WindowType::WINDOW_TYPE_APP_MAIN_WINDOW }; 97 uint32_t count1 = 0; 98 uint32_t count2 = 0; 99 StateTask destroyTask_; 100 }; 101 } // namespace Rosen 102 } // namespace OHOS 103 #endif