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1 /*
2  * Copyright (c) 2020-2021 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 #include "common/input_device_manager.h"
17 #include "common/task_manager.h"
18 #include "components/ui_tree_manager.h"
19 #include "gfx_utils/graphic_log.h"
20 
21 namespace OHOS {
GetInstance()22 InputDeviceManager* InputDeviceManager::GetInstance()
23 {
24     static InputDeviceManager instance;
25     return &instance;
26 }
27 
Init()28 void InputDeviceManager::Init()
29 {
30     UITreeManager::GetInstance().RegistViewLifeEvent(OnViewLifeEvent);
31     if (INDEV_READ_PERIOD > 0) {
32         SetPeriod(INDEV_READ_PERIOD);
33         TaskManager::GetInstance()->Add(this);
34     }
35 }
36 
Add(InputDevice * device)37 void InputDeviceManager::Add(InputDevice* device)
38 {
39     if (device == nullptr) {
40         GRAPHIC_LOGE("InputDeviceManager::Add invalid param\n");
41         return;
42     }
43     deviceList_.PushBack(device);
44 }
45 
Remove(InputDevice * device)46 void InputDeviceManager::Remove(InputDevice* device)
47 {
48     if (device == nullptr) {
49         return;
50     }
51     ListNode<InputDevice*>* node = deviceList_.Begin();
52     while (node != deviceList_.End()) {
53         if (node->data_ == device) {
54             deviceList_.Remove(node);
55             return;
56         }
57         node = node->next_;
58     }
59 }
60 
Callback()61 void InputDeviceManager::Callback()
62 {
63     ListNode<InputDevice*>* node = deviceList_.Begin();
64     while (node != deviceList_.End()) {
65         node->data_->ProcessEvent();
66         node = node->next_;
67     }
68 }
69 
Clear()70 void InputDeviceManager::Clear()
71 {
72     deviceList_.Clear();
73 }
74 
OnViewLifeEvent()75 void InputDeviceManager::OnViewLifeEvent()
76 {
77     auto& devices = GetInstance()->deviceList_;
78     auto node = devices.Begin();
79     while (node != devices.End()) {
80         node->data_->OnViewLifeEvent();
81         node = node->next_;
82     }
83 }
84 
85 } // namespace OHOS
86