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Issue 915: Stop/start Location manager based on listeners registered. #999

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merged 16 commits into from
Oct 2, 2020
Merged

Issue 915: Stop/start Location manager based on listeners registered. #999

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54c500e
Fixed doc descriptions for Camera
soumyashisPR Jul 2, 2020
2a19415
Fixed documentation for Camera
soumyashisPR Jul 2, 2020
8af090c
Merge branch 'master' of https://github.com/miqdigital/maps
soumyashisPR Aug 20, 2020
5cf5ee9
Maps: location manager start/stop listening fix
soumyashisPR Aug 20, 2020
f2550ae
Remove commented lines
soumyashisPR Aug 20, 2020
ccf3c1c
Reaname boolean fields for UserLocation
soumyashisPR Aug 22, 2020
b61268b
Merge pull request #11 from soumyashisPR/maps-issue-915-ss
soumyashisPR Aug 23, 2020
ed46202
fix unit tests
soumyashisPR Aug 23, 2020
5491ca3
Fix unit test cases for location manager
soumyashisPR Aug 24, 2020
b11ac63
Fix userlocation test
soumyashisPR Aug 26, 2020
6da74f7
Add modified docs
soumyashisPR Aug 26, 2020
41f282b
PR review comment addressed
soumyashisPR Sep 12, 2020
0df8663
PR review comment addressed
soumyashisPR Sep 12, 2020
ac280cc
PR review commit - reverted renames
soumyashisPR Sep 21, 2020
3c469a8
Fix unit test
soumyashisPR Sep 22, 2020
1d398f0
typo fix for read to re-add
soumyashisPR Oct 1, 2020
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Maps: location manager start/stop listening fix
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@soumyashisPR
soumyashisPR committed Aug 20, 2020
commit 5cf5ee9e6ba3b87e8e2ede347b09b76137f70f61
37 changes: 19 additions & 18 deletions javascript/components/UserLocation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -137,15 +137,15 @@ class UserLocation extends React.Component {
// after component unmount
_isMounted = null;

locationManagerRunning = false;
locationManagerRequired = false;

async componentDidMount() {
this._isMounted = true;

locationManager.addListener(this._onLocationUpdate);
// locationManager.addListener(this._onLocationUpdate);

await this.setLocationManager({
running: this.needsLocationManagerRunning(),
required: this.needsLocationManagerRunning(),
});

if (this.renderMode === UserLocation.RenderMode.Native) {
Expand All @@ -157,7 +157,7 @@ class UserLocation extends React.Component {

async componentDidUpdate(prevProps) {
await this.setLocationManager({
running: this.needsLocationManagerRunning(),
required: this.needsLocationManagerRunning(),
});

if (this.props.minDisplacement !== prevProps.minDisplacement) {
Expand All @@ -167,30 +167,31 @@ class UserLocation extends React.Component {

async componentWillUnmount() {
this._isMounted = false;
locationManager.removeListener(this._onLocationUpdate);
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await this.setLocationManager({running: false});
// locationManager.removeListener(this._onLocationUpdate);
await this.setLocationManager({required: false});
}

/**
* Whether to start or stop the locationManager
* Whether to start or stop listening to the locationManager
*
* Notice, that locationManager will start automatically when
* Notice, that listening will start automatically when
* either `onUpdate` or `visible` are set
*
* @async
* @param {Object} running - Object with key `running` and `boolean` value
* @param {Object} required - Object with key `required` and `boolean` value
* @return {Promise<void>}
*/
async setLocationManager({running}) {
if (this.locationManagerRunning !== running) {
this.locationManagerRunning = running;
if (running) {
locationManager.start();

const location = await locationManager.getLastKnownLocation();
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I missed this the last time around, I think you can remove getLastKnownLocation then from locationManager as it's not being used anymore?

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@soumyashisPR soumyashisPR Sep 22, 2020 •
edited
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Hi, this is actually being used in setLocationManager
if (running) { locationManager.addListener(this._onLocationUpdate); const location = await locationManager.getLastKnownLocation(); this._onLocationUpdate(location); } else { locationManager.removeListener(this._onLocationUpdate); }

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I mean... yeah, now it does after you reverted it again :)

this._onLocationUpdate(location);
async setLocationManager({required}) {
if (this.locationManagerRequired !== required) {
this.locationManagerRequired = required;
if (required) {
// locationManager.start();
locationManager.addListener(this._onLocationUpdate);
// const location = await locationManager.getLastKnownLocation();
// this._onLocationUpdate(location);
} else {
locationManager.stop();
// locationManager.stop();
locationManager.removeListener(this._onLocationUpdate);
}
}
}
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7 changes: 7 additions & 0 deletions javascript/modules/location/locationManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@ class LocationManager {
}

addListener(listener) {
if (!this._isListening) {
this.start();
}
if (!this._listeners.includes(listener)) {
this._listeners.push(listener);

Expand All @@ -49,10 +52,14 @@ class LocationManager {

removeListener(listener) {
this._listeners = this._listeners.filter((l) => l !== listener);
if (this._listeners.length === 0) {
this.stop();
}
}

removeAllListeners() {
this._listeners = [];
this.stop();
}

start(displacement = 0) {
Expand Down