1 /*
2 * Copyright (c) 2021-2022 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 "ability_lifecycle_observer_interface.h"
17 #include "hilog_wrapper.h"
18
19 namespace OHOS {
20 namespace AppExecFwk {
GetLifecycleState()21 LifeCycle::Event LifeCycle::GetLifecycleState()
22 {
23 HILOG_DEBUG("LifeCycle::GetLifecycleState: called");
24 return state_;
25 }
26
AddObserver(const std::shared_ptr<ILifecycleObserver> & observer)27 void LifeCycle::AddObserver(const std::shared_ptr<ILifecycleObserver> &observer)
28 {
29 HILOG_DEBUG("LifeCycle::AddObserver: called");
30
31 if (observer == nullptr) {
32 HILOG_ERROR("LifeCycle::AddObserver: observer is null");
33 return;
34 }
35
36 callbacks_.emplace_back(observer);
37 }
38
DispatchLifecycle(const LifeCycle::Event & event,const Want & want)39 void LifeCycle::DispatchLifecycle(const LifeCycle::Event &event, const Want &want)
40 {
41 HILOG_DEBUG("LifeCycle::DispatchLifecycle: event:%{public}d", event);
42 if ((event != LifeCycle::Event::ON_FOREGROUND) && (event != LifeCycle::Event::ON_START)) {
43 HILOG_ERROR("event value error: event is %{public}d", event);
44 return;
45 }
46
47 state_ = event;
48 if (callbacks_.size() != 0) {
49 for (auto &callback : callbacks_) {
50 switch (event) {
51 #ifdef SUPPORT_GRAPHICS
52 case ON_FOREGROUND: {
53 if (callback != nullptr) {
54 callback->OnForeground(want);
55 }
56 break;
57 }
58 #endif
59 case ON_START: {
60 if (callback != nullptr) {
61 callback->OnStart(want);
62 }
63 break;
64 }
65 default:
66 break;
67 }
68 if (callback != nullptr) {
69 callback->OnStateChanged(event, want);
70 }
71 }
72 }
73 }
74
DispatchLifecycle(const LifeCycle::Event & event)75 void LifeCycle::DispatchLifecycle(const LifeCycle::Event &event)
76 {
77 HILOG_DEBUG("LifeCycle::DispatchLifecycle: event:%{public}d", event);
78 if ((event != LifeCycle::Event::ON_ACTIVE) && (event != LifeCycle::Event::ON_BACKGROUND) &&
79 (event != LifeCycle::Event::ON_INACTIVE) && (event != LifeCycle::Event::ON_STOP)) {
80 HILOG_ERROR("event value error: event is %{public}d", event);
81 return;
82 }
83
84 state_ = event;
85 if (callbacks_.size() != 0) {
86 for (auto &callback : callbacks_) {
87 switch (event) {
88 case ON_ACTIVE: {
89 if (callback != nullptr) {
90 callback->OnActive();
91 }
92 break;
93 }
94 #ifdef SUPPORT_GRAPHICS
95 case ON_BACKGROUND: {
96 if (callback != nullptr) {
97 callback->OnBackground();
98 }
99 break;
100 }
101 #endif
102 case ON_INACTIVE: {
103 if (callback != nullptr) {
104 callback->OnInactive();
105 }
106 break;
107 }
108 case ON_STOP: {
109 if (callback != nullptr) {
110 callback->OnStop();
111 }
112 break;
113 }
114 default:
115 break;
116 }
117 if (callback != nullptr) {
118 callback->OnStateChanged(event);
119 }
120 }
121 }
122 }
123
RemoveObserver(const std::shared_ptr<ILifecycleObserver> & observer)124 void LifeCycle::RemoveObserver(const std::shared_ptr<ILifecycleObserver> &observer)
125 {
126 HILOG_DEBUG("LifeCycle::RemoveObserver: called");
127
128 if (observer == nullptr) {
129 HILOG_ERROR("LifeCycle::RemoveObserver: observer is null");
130 return;
131 }
132
133 callbacks_.remove(observer);
134 }
135 } // namespace AppExecFwk
136 } // namespace OHOS
137