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Merge pull request #1807 from home-assistant/safer-icon-brightness

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Safer brightness calculation for icons
This commit is contained in:
Zack Arnett 2018-10-19 20:58:46 -04:00 committed by GitHub
commit 11f4564465
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1 changed files with 10 additions and 0 deletions
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10
src/components/entity/state-badge.js
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@ -68,6 +68,7 @@ class StateBadge extends PolymerElement {
}
_updateIconAppearance(newVal) {
var errorMessage = null;
const iconStyle = {
color: "",
filter: "",
@ -88,12 +89,21 @@ class StateBadge extends PolymerElement {
}
if (newVal.attributes.brightness) {
const brightness = newVal.attributes.brightness;
if (typeof brightness !== "number") {
errorMessage = `Type error: state-badge expected number, but type of ${
newVal.entity_id
}.attributes.brightness is ${typeof brightness} (${brightness})`;
console.warn(errorMessage);
}
// lowest brighntess will be around 50% (that's pretty dark)
iconStyle.filter = `brightness(${(brightness + 245) / 5}%)`;
}
}
Object.assign(this.$.icon.style, iconStyle);
Object.assign(this.style, hostStyle);
if (errorMessage) {
throw new Error(`Frontend error: ${errorMessage}`);
}
}
}
customElements.define("state-badge", StateBadge);