1 /*
2 * Copyright (c) 2021-2024 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 "task_handler_client.h"
17 #include "hilog_tag_wrapper.h"
18
19 namespace OHOS {
20 namespace AppExecFwk {
21 std::shared_ptr<TaskHandlerClient> TaskHandlerClient::instance_ = nullptr;
22 std::mutex TaskHandlerClient::mutex_;
23
GetInstance()24 std::shared_ptr<TaskHandlerClient> TaskHandlerClient::GetInstance()
25 {
26 if (instance_ == nullptr) {
27 std::lock_guard<std::mutex> lock_l(mutex_);
28 if (instance_ == nullptr) {
29 instance_ = std::make_shared<TaskHandlerClient>();
30 }
31 }
32 return instance_;
33 }
34
TaskHandlerClient()35 TaskHandlerClient::TaskHandlerClient()
36 {}
37
~TaskHandlerClient()38 TaskHandlerClient::~TaskHandlerClient()
39 {}
40
PostTask(std::function<void ()> task,long delayTime)41 bool TaskHandlerClient::PostTask(std::function<void()> task, long delayTime)
42 {
43 TAG_LOGI(AAFwkTag::ABILITY, "called");
44
45 if (taskHandler_ == nullptr) {
46 if (!CreateRunner()) {
47 TAG_LOGE(AAFwkTag::ABILITY, "CreateRunner failed");
48 return false;
49 }
50 }
51
52 bool ret = taskHandler_->PostTask(task, delayTime, EventQueue::Priority::LOW);
53 if (!ret) {
54 TAG_LOGE(AAFwkTag::ABILITY, "taskHandler_ PostTask failed");
55 }
56 return ret;
57 }
58
CreateRunner()59 bool TaskHandlerClient::CreateRunner()
60 {
61 if (taskHandler_ == nullptr) {
62 std::shared_ptr<EventRunner> runner = EventRunner::Create("TaskRunner");
63 if (runner == nullptr) {
64 TAG_LOGE(AAFwkTag::ABILITY, "null runner");
65 return false;
66 }
67 taskHandler_ = std::make_shared<TaskHandler>(runner);
68 if (taskHandler_ == nullptr) {
69 TAG_LOGE(AAFwkTag::ABILITY, "null taskHandler_");
70 return false;
71 }
72 }
73 return true;
74 }
75 } // namespace AppExecFwk
76 } // namespace OHOS
77