openharmony/applications_settings
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timer 导致内存泄露问题

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Signed-off-by: chenlang <18577333310@163.com>
This commit is contained in:
chenlang 2023-09-25 22:49:34 +08:00
parent 877e4b9461
commit e906c15909
1 changed files with 37 additions and 7 deletions
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44
product/phone/src/main/ets/controller/bluetooth/BluetoothDeviceController.ts
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@ -26,7 +26,6 @@ import AboutDeviceModel from '../../model/aboutDeviceImpl/AboutDeviceModel'
const deviceTypeInfo = deviceInfo.deviceType;
const DISCOVERY_DURING_TIME: number = 30000; // 30'
const DISCOVERY_INTERVAL_TIME: number = 3000; // 3'
let debounceTimer = null;
export default class BluetoothDeviceController extends BaseSettingsController {
private TAG = ConfigData.TAG + 'BluetoothDeviceController '
@ -42,8 +41,9 @@ export default class BluetoothDeviceController extends BaseSettingsController {
private isDeviceDiscovering: boolean = false;
private availableDevices: BluetoothDevice[] = [];
private pairPinCode: string = '';
private discoveryStartTimeoutId: number;
private discoveryStopTimeoutId: number;
private discoveryStartTimeoutId: number = 0;
private discoveryStopTimeoutId: number = 0;
private debounceTimer: number = 0;
initData(): ISettingsController {
LogUtil.log(this.TAG + 'start to initData bluetooth');
@ -90,10 +90,12 @@ export default class BluetoothDeviceController extends BaseSettingsController {
if (this.discoveryStartTimeoutId) {
clearTimeout(this.discoveryStartTimeoutId);
this.discoveryStartTimeoutId = 0;
}
if (this.discoveryStopTimeoutId) {
clearTimeout(this.discoveryStopTimeoutId);
this.discoveryStopTimeoutId = 0;
}
BluetoothModel.unsubscribeBluetoothDeviceFind();
@ -107,10 +109,24 @@ export default class BluetoothDeviceController extends BaseSettingsController {
* Set toggle value
*/
toggleValue(isOn: boolean) {
clearTimeout(debounceTimer);
debounceTimer = setTimeout(() => {
if(this.discoveryStartTimeoutId){
clearTimeout(this.discoveryStartTimeoutId);
this.discoveryStartTimeoutId = 0;
}
if(this.discoveryStopTimeoutId){
clearTimeout(this.discoveryStopTimeoutId);
this.discoveryStopTimeoutId = 0;
}
if(this.debounceTimer){
clearTimeout(this.debounceTimer);
this.debounceTime = 0;
}
this.debounceTimer = setTimeout(() => {
let curState = BluetoothModel.getState();
if ((curState === 2) === isOn) {
clearTimeout(this.debounceTimer);
this.debounceTime = 0;
return;
}
this.enabled = false
@ -120,6 +136,8 @@ export default class BluetoothDeviceController extends BaseSettingsController {
BluetoothModel.enableBluetooth();
} else {
BluetoothModel.disableBluetooth();
clearTimeout(this.debounceTimer);
this.debounceTime = 0;
// remove all elements from availableDevices array
this.availableDevices.splice(0, this.availableDevices.length)
}
@ -405,9 +423,14 @@ export default class BluetoothDeviceController extends BaseSettingsController {
public startBluetoothDiscovery() {
this.isDeviceDiscovering = true;
BluetoothModel.startBluetoothDiscovery();
if(this.discoveryStopTimeoutId){
clearTimeout(this.discoveryStopTimeoutId);
this.discoveryStopTimeoutId = 0;
}
this.discoveryStopTimeoutId = setTimeout(() => {
this.stopBluetoothDiscovery();
clearTimeout(this.discoveryStopTimeoutId);
this.discoveryStopTimeoutId = 0;
}, DISCOVERY_DURING_TIME);
}
@ -418,9 +441,14 @@ export default class BluetoothDeviceController extends BaseSettingsController {
private stopBluetoothDiscovery() {
this.isDeviceDiscovering = false;
BluetoothModel.stopBluetoothDiscovery();
if(this.discoveryStartTimeoutId){
clearTimeout(this.discoveryStartTimeoutId);
this.discoveryStartTimeoutId = 0;
}
this.discoveryStartTimeoutId = setTimeout(() => {
this.startBluetoothDiscovery();
clearTimeout(this.discoveryStartTimeoutId);
this.discoveryStartTimeoutId = 0;
}, DISCOVERY_INTERVAL_TIME);
}
@ -432,10 +460,12 @@ export default class BluetoothDeviceController extends BaseSettingsController {
BluetoothModel.stopBluetoothDiscovery();
if (this.discoveryStartTimeoutId) {
clearTimeout(this.discoveryStartTimeoutId);
this.discoveryStartTimeoutId = 0;
}
if (this.discoveryStopTimeoutId) {
clearTimeout(this.discoveryStopTimeoutId);
this.discoveryStopTimeoutId = 0;
}
}