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Autochange cameras #59

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Autochange cameras #59

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44912e3
Automatic transition to next camera, and made it possible to add card…
stingly Sep 16, 2020
3f17162
Handle non-auto transition to another camera
stingly Sep 16, 2020
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ Custom component for lovelace to be used as a panel for viewing security cameras
| cameras | list | _See camera section below_ | **Required**
| thumb_interval | number | Update interval for thumbnails in seconds (_min_ 0.5) | 10
| update_interval | number | Update interval for main image in seconds (_min_ 0.5) | 1
| focus_interval | number | Update interval for automatic transition to next camera in seconds (_min_ 10) | 0
| focus_motion | boolean | Switch to camera when motion detected | true

### Camera configuration
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26 changes: 23 additions & 3 deletions surveillance-card.js
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Expand Up @@ -37,7 +37,8 @@ class SurveillanceCard extends LitElement {
selectedCamera: { type: Object },
focusOnMotion: { type: Boolean },
thumbInterval: { type: Number },
updateInterval: { type: Number }
updateInterval: { type: Number },
focusInterval: { type: Number }
};
}

Expand Down Expand Up @@ -68,6 +69,7 @@ class SurveillanceCard extends LitElement {
this.focusOnMotion = config.focus_motion !== false;
this.thumbInterval = (config.thumb_interval || 10.0) * 1000;
this.updateInterval = config.update_interval || 1.0;
this.focusInterval = (config.focus_interval || 0) * 1000;

const now = Date.now();
this.cameras = config.cameras.map((camera) => {
Expand Down Expand Up @@ -127,7 +129,11 @@ class SurveillanceCard extends LitElement {
this.cameras = [...this.cameras];
}

_updateSelectedCamera(camera) {
_updateSelectedCamera(camera, autochanged = false) {
if (!autochanged) {
clearTimeout(this.autochangeTimer);
}

if (!camera || !camera.access_token) {
let availableCameras = this.cameras.filter((c) => c.access_token && c.has_motion);
availableCameras.sort(this._cameraSortComparer);
Expand All @@ -137,6 +143,21 @@ class SurveillanceCard extends LitElement {
if (this.selectedCamera !== camera) {
this.selectedCamera = camera;
}

if (this.focusInterval >= 10000) {
this.autochangeTimer = setTimeout(() => { this._nextCamera() }, this.focusInterval);
}
}

_nextCamera() {
let current_index = this.cameras.indexOf(this.selectedCamera);
let next_index = current_index + 1;

if (next_index >= this.cameras.length) {
next_index = 0;
}

this._updateSelectedCamera(this.cameras[next_index], true);
}

_cameraSortComparer(cameraA, cameraB) {
Expand All @@ -162,7 +183,6 @@ class SurveillanceCard extends LitElement {
width: 100%;
display: flex;
align-items: stretch;
position: absolute;
}

.thumbs {
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