1 /*
2 * Copyright (c) 2024 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 "freeze_manager.h"
17
18 #include "ability_manager_client.h"
19 #include "global.h"
20 #include "res_sched_client.h"
21 #include "res_type.h"
22 #include "system_ability_definition.h"
23
24 namespace OHOS {
25 namespace MiscServices {
26 const std::string INPUT_METHOD_SERVICE_SA_NAME = "inputmethod_service";
27 constexpr const char *STOP_TASK_NAME = "ReportStop";
28 constexpr std::int32_t DELAY_TIME = 3000L;
29 std::shared_ptr<AppExecFwk::EventHandler> FreezeManager::eventHandler_ = nullptr;
IsIpcNeeded(RequestType type)30 bool FreezeManager::IsIpcNeeded(RequestType type)
31 {
32 // If ime is in use, no need to request hide.
33 std::lock_guard<std::mutex> lock(mutex_);
34 return !(type == RequestType::REQUEST_HIDE && !isImeInUse_);
35 }
36
BeforeIpc(RequestType type)37 void FreezeManager::BeforeIpc(RequestType type)
38 {
39 {
40 std::lock_guard<std::mutex> lock(mutex_);
41 if (type == RequestType::START_INPUT || type == RequestType::REQUEST_SHOW) {
42 isImeInUse_ = true;
43 }
44 if (!isFrozen_) {
45 IMSA_HILOGD("not frozen already.");
46 return;
47 }
48 isFrozen_ = false;
49 }
50 ControlIme(false);
51 }
52
AfterIpc(RequestType type,bool isSuccess)53 void FreezeManager::AfterIpc(RequestType type, bool isSuccess)
54 {
55 bool shouldFreeze = false;
56 {
57 std::lock_guard<std::mutex> lock(mutex_);
58 if (type == RequestType::START_INPUT || type == RequestType::REQUEST_SHOW) {
59 isImeInUse_ = isSuccess;
60 }
61 if (type == RequestType::REQUEST_HIDE && isImeInUse_) {
62 isImeInUse_ = !isSuccess;
63 }
64 if (type == RequestType::STOP_INPUT) {
65 isImeInUse_ = false;
66 }
67 if (isFrozen_ == !isImeInUse_) {
68 IMSA_HILOGD("frozen state already: %{public}d.", isFrozen_);
69 return;
70 }
71 isFrozen_ = !isImeInUse_;
72 shouldFreeze = isFrozen_;
73 }
74 ControlIme(shouldFreeze);
75 }
76
ControlIme(bool shouldFreeze)77 void FreezeManager::ControlIme(bool shouldFreeze)
78 {
79 if (eventHandler_ == nullptr) {
80 IMSA_HILOGW("eventHandler_ is nullptr.");
81 ReportRss(shouldFreeze, pid_);
82 return;
83 }
84 if (shouldFreeze) {
85 // Delay the FREEZE report by 3s.
86 eventHandler_->PostTask(
87 [shouldFreeze, pid = pid_]() { ReportRss(shouldFreeze, pid); }, STOP_TASK_NAME, DELAY_TIME);
88 } else {
89 // Cancel the unexecuted FREEZE task.
90 eventHandler_->RemoveTask(STOP_TASK_NAME);
91 ReportRss(shouldFreeze, pid_);
92 }
93 }
94
ReportRss(bool shouldFreeze,pid_t pid)95 void FreezeManager::ReportRss(bool shouldFreeze, pid_t pid)
96 {
97 auto type = ResourceSchedule::ResType::RES_TYPE_SA_CONTROL_APP_EVENT;
98 auto status = shouldFreeze ? ResourceSchedule::ResType::SaControlAppStatus::SA_STOP_APP
99 : ResourceSchedule::ResType::SaControlAppStatus::SA_START_APP;
100 std::unordered_map<std::string, std::string> payload = {
101 { "saId", std::to_string(INPUT_METHOD_SYSTEM_ABILITY_ID) },
102 { "saName", INPUT_METHOD_SERVICE_SA_NAME },
103 { "extensionType", std::to_string(static_cast<int32_t>(AppExecFwk::ExtensionAbilityType::INPUTMETHOD)) },
104 { "pid", std::to_string(pid) } };
105 IMSA_HILOGD("report RSS should freeze: %{public}d.", shouldFreeze);
106 ResourceSchedule::ResSchedClient::GetInstance().ReportData(type, status, payload);
107 }
108
SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> & eventHandler)109 void FreezeManager::SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> &eventHandler)
110 {
111 eventHandler_ = eventHandler;
112 }
113 } // namespace MiscServices
114 } // namespace OHOS