1/*
2 * Copyright (c) 2023 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 "event_hub.h"
17
18#include <map>
19
20#include "want.h"
21
22#include "drag_manager.h"
23#include "fi_log.h"
24
25#undef LOG_TAG
26#define LOG_TAG "EventHub"
27
28namespace OHOS {
29namespace Msdp {
30namespace DeviceStatus {
31static std::map<std::string, EventId> g_actionMap = {
32    { EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_ON, EventId::EVENT_SCREEN_ON },
33    { EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF, EventId::EVENT_SCREEN_OFF },
34    { EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_LOCKED, EventId::EVENT_SCREEN_LOCK },
35    { EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_UNLOCKED, EventId::EVENT_SCREEN_UNLOCK },
36    { EventFwk::CommonEventSupport::COMMON_EVENT_BATTERY_LOW, EventId::EVENT_BATTERY_LOW },
37    { EventFwk::CommonEventSupport::COMMON_EVENT_BATTERY_OKAY, EventId::EVENT_BATTERY_OKAY },
38};
39
40std::shared_ptr<EventHub> EventHub::GetEventHub(IContext* context)
41{
42    CALL_DEBUG_ENTER;
43    auto skill = std::make_shared<EventFwk::MatchingSkills>();
44    for (auto &actionPair : g_actionMap) {
45        skill->AddEvent(actionPair.first);
46    }
47    auto info = std::make_shared<EventFwk::CommonEventSubscribeInfo>(*skill);
48    return std::make_shared<EventHub>(*info, context);
49}
50
51void EventHub::RegisterEvent(std::shared_ptr<EventHub> eventHub)
52{
53    CALL_DEBUG_ENTER;
54    bool result = EventFwk::CommonEventManager::SubscribeCommonEvent(eventHub);
55    if (!result) {
56        FI_HILOGE("Failed to subscribe common event");
57    }
58}
59
60void EventHub::UnRegisterEvent(std::shared_ptr<EventHub> eventHub)
61{
62    CALL_DEBUG_ENTER;
63    bool result = EventFwk::CommonEventManager::UnSubscribeCommonEvent(eventHub);
64    if (!result) {
65        FI_HILOGE("Failed to unSubscribe common event");
66    }
67}
68
69void EventHub::OnReceiveEvent(const EventFwk::CommonEventData &event)
70{
71    const auto want = event.GetWant();
72    const auto action = want.GetAction();
73    if (g_actionMap.find(action) == g_actionMap.end()) {
74        return;
75    }
76    EventId eventId = g_actionMap[action];
77    FI_HILOGD("Receive action:%{public}s, eventId:%{public}d", action.c_str(), static_cast<int32_t>(eventId));
78    if (eventId != EventId::EVENT_SCREEN_LOCK) {
79        return;
80    }
81    CHKPV(context_);
82    auto fun = [] (IContext* context) -> int32_t {
83        if (context->GetDragManager().GetDragState() == DragState::START) {
84            DragDropResult dropResult { DragResult::DRAG_CANCEL, false, -1 };
85            context->GetDragManager().StopDrag(dropResult);
86        }
87        return RET_OK;
88    };
89    int32_t ret = context_->GetDelegateTasks().PostAsyncTask([this, &fun] {
90        return fun(this->context_);
91    });
92    if (ret != RET_OK) {
93        FI_HILOGE("Post async task failed");
94    }
95}
96
97DragAbilityStatusChange::DragAbilityStatusChange(std::shared_ptr<EventHub> eventHub)
98    : eventHub_(eventHub)
99{}
100
101void DragAbilityStatusChange::OnAddSystemAbility(int32_t systemAbilityId, const std::string &deviceId)
102{
103    FI_HILOGI("OnAddSystemAbility,systemAbilityId:%{public}d", systemAbilityId);
104    if (systemAbilityId != COMMON_EVENT_SERVICE_ID) {
105        FI_HILOGE("systemAbilityId is not COMMON_EVENT_SERVICE_ID");
106        return;
107    }
108    if (eventHub_ == nullptr) {
109        FI_HILOGE("OnAddSystemAbility eventHub_ is nullptr");
110        return;
111    }
112    EventHub::RegisterEvent(eventHub_);
113}
114
115void DragAbilityStatusChange::OnRemoveSystemAbility(int32_t systemAbilityId, const std::string &deviceId)
116{
117    FI_HILOGI("OnRemoveSystemAbility,systemAbilityId:%{public}d", systemAbilityId);
118    return;
119}
120} // namespace DeviceStatus
121} // namespace Msdp
122} // namespace OHOS