1 /*
2 * Copyright (c) 2021 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 BASE_ABILITY_H_
17 #define BASE_ABILITY_H_
18 #include "ability.h"
19 #include "common_event.h"
20 #include "common_event_manager.h"
21 #include "event_handler.h"
22
23 namespace OHOS {
24 namespace AppExecFwk {
25 constexpr int MAX_LOOP = 10;
26
27 template<class T, class G>
SubscribeEvent(const Want & want,const std::vector<std::string> & eventList,const G & ability)28 void SubscribeEvent(const Want &want, const std::vector<std::string> &eventList, const G &ability)
29 {
30 EventFwk::MatchingSkills matchingSkills;
31 for (const auto &e : eventList) {
32 matchingSkills.AddEvent(e);
33 }
34 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
35 subscribeInfo.SetPriority(1);
36 auto subscriber = std::make_shared<T>(subscribeInfo);
37 subscriber->want = want;
38 subscriber->mainAbility = ability;
39 EventFwk::CommonEventManager::SubscribeCommonEvent(subscriber);
40 }
41
42 template<class T>
DoWhile()43 void DoWhile()
44 {
45 long cnt = 0;
46 while (cnt <= MAX_LOOP) {
47 cnt++;
48 }
49 }
50
51 template<class T>
PostTask()52 void PostTask()
53 {
54 auto eventHandler = EventHandler::Current();
55 if (!eventHandler) {
56 return;
57 }
58 eventHandler->PostTask([=]() { DoWhile<T>(); });
59 }
60
61 class BaseAbility : public Ability {
62 public:
63 using EventHandlerPtr = std::shared_ptr<EventHandler>;
64
65 protected:
66 virtual void Init(const std::shared_ptr<AbilityInfo> &abilityInfo,
67 const std::shared_ptr<OHOSApplication> &application, std::shared_ptr<AbilityHandler> &handler,
68 const sptr<IRemoteObject> &token) override;
69 virtual void OnStart(const Want &want) override;
70 virtual void OnStop() override;
71 virtual void OnActive() override;
72 virtual void OnInactive() override;
73 virtual void OnBackground() override;
74 virtual void OnForeground(const Want &want) override;
75 virtual void OnCommand(const AAFwk::Want &want, bool restart, int startId) override;
76 virtual sptr<IRemoteObject> OnConnect(const Want &want) override;
77 virtual void OnDisconnect(const Want &want) override;
78 virtual void OnNewWant(const Want &want) override;
79 virtual void OnAbilityResult(int requestCode, int resultCode, const Want &resultData) override;
80 virtual void OnBackPressed() override;
81
82 std::string GetNoFromWantInfo(const Want &want);
83
84 private:
85 EventHandlerPtr envenHandler_ = {};
86 };
87 } // namespace AppExecFwk
88 } // namespace OHOS
89 #endif // BASE_ABILITY_H_
90