use image selector for view background (#20898)

* use image selector for view background

* make config future proof

* improvements

cast/src/receiver/layout/hc-lovelace.ts

@@ -86,10 +86,17 @@ class HcLovelace extends LitElement {
           this.lovelaceConfig.views[index].background ||
           this.lovelaceConfig.background;
 
-        if (configBackground) {
+        const backgroundStyle =
+          typeof configBackground === "string"
+            ? configBackground
+            : configBackground?.image
+              ? `center / cover no-repeat url('${configBackground.image}')`
+              : undefined;
+
+        if (backgroundStyle) {
           this._huiView!.style.setProperty(
             "--lovelace-background",
-            configBackground
+            backgroundStyle
           );
         } else {
           this._huiView!.style.removeProperty("--lovelace-background");

src/components/ha-selector/ha-selector-image.ts

@@ -85,6 +85,8 @@ export class HaImageSelector extends LitElement {
               <ha-picture-upload
                 .hass=${this.hass}
                 .value=${this.value?.startsWith(URL_PREFIX) ? this.value : null}
+                .original=${this.selector.image?.original}
+                .cropOptions=${this.selector.image?.crop}
                 @change=${this._pictureChanged}
               ></ha-picture-upload>
             `}

src/data/lovelace/config/view.ts

@@ -7,6 +7,10 @@ export interface ShowViewConfig {
   user?: string;
 }
 
+interface LovelaceViewBackgroundConfig {
+  image?: string;
+}
+
 export interface LovelaceBaseViewConfig {
   index?: number;
   title?: string;
@@ -14,7 +18,7 @@ export interface LovelaceBaseViewConfig {
   icon?: string;
   theme?: string;
   panel?: boolean;
-  background?: string;
+  background?: string | LovelaceViewBackgroundConfig;
   visible?: boolean | ShowViewConfig[];
   subview?: boolean;
   back_path?: string;

src/data/selector.ts

@@ -14,6 +14,7 @@ import {
 } from "./entity_registry";
 import { EntitySources } from "./entity_sources";
 import { isHelperDomain } from "../panels/config/helpers/const";
+import type { CropOptions } from "../dialogs/image-cropper-dialog/show-image-cropper-dialog";
 
 export type Selector =
   | ActionSelector
@@ -259,7 +260,7 @@ export interface IconSelector {
 
 export interface ImageSelector {
   // eslint-disable-next-line @typescript-eslint/ban-types
-  image: {} | null;
+  image: { original?: boolean; crop?: CropOptions } | null;
 }
 
 export interface LabelSelector {

src/panels/lovelace/editor/view-editor/hui-view-background-editor.ts

@@ -2,19 +2,11 @@ import "@material/mwc-list/mwc-list-item";
 import { CSSResultGroup, LitElement, css, html, nothing } from "lit";
 import { customElement, property, state } from "lit/decorators";
 import { fireEvent } from "../../../../common/dom/fire_event";
-import "../../../../components/user/ha-user-badge";
+import "../../../../components/ha-selector/ha-selector-image";
 import { LovelaceViewConfig } from "../../../../data/lovelace/config/view";
 import { HomeAssistant, ValueChangedEvent } from "../../../../types";
-import "../../../../components/ha-picture-upload";
-import type { HaPictureUpload } from "../../../../components/ha-picture-upload";
-import { CropOptions } from "../../../../dialogs/image-cropper-dialog/show-image-cropper-dialog";
 
-const cropOptions: CropOptions = {
-  round: false,
-  type: "image/jpeg",
-  quality: 0.75,
-  aspectRatio: 1.78,
-};
+const SELECTOR = { image: { original: true } };
 
 @customElement("hui-view-background-editor")
 export class HuiViewBackgroundEditor extends LitElement {
@@ -31,36 +23,35 @@ export class HuiViewBackgroundEditor extends LitElement {
       return nothing;
     }
 
-    const backgroundUrlRegex = /url\(['"]?([^'"]+)['"]?\)/;
-    const backgroundUrlMatch = backgroundUrlRegex.exec(
-      this._config?.background || ""
-    );
-    const backgroundUrl = backgroundUrlMatch ? backgroundUrlMatch[1] : null;
+    const background = this._config?.background;
+    const backgroundUrl =
+      typeof background === "string"
+        ? background.match(/url\(['"]?([^'"]+)['"]?\)/)?.[1]
+        : background?.image;
 
     return html`
-      <p>
-        ${this.hass.localize(
+      <ha-selector-image
+        .hass=${this.hass}
+        .label=${this.hass.localize(
           "ui.panel.lovelace.editor.edit_view.background.title"
         )}
-      </p>
-      <ha-picture-upload
-        .hass=${this.hass}
         .value=${backgroundUrl}
-        crop
-        .cropOptions=${cropOptions}
-        original
-        @change=${this._backgroundChanged}
-      ></ha-picture-upload>
+        .selector=${SELECTOR}
+        @value-changed=${this._backgroundChanged}
+      ></ha-selector-image>
     `;
   }
 
   private _backgroundChanged(ev: ValueChangedEvent<string | null>) {
-    const backgroundUrl = (ev.target as HaPictureUpload).value;
+    const backgroundUrl = ev.detail.value;
     const config = {
       ...this._config,
-      background: backgroundUrl
-        ? `center / cover no-repeat url('${backgroundUrl}')`
-        : undefined,
+      background: {
+        ...(typeof this._config.background === "string"
+          ? {}
+          : this._config.background),
+        image: backgroundUrl || undefined,
+      },
     };
     fireEvent(this, "view-config-changed", { config });
   }

src/panels/lovelace/hui-root.ts

@@ -932,8 +932,15 @@ class HUIRoot extends LitElement {
 
     const configBackground = viewConfig.background || this.config.background;
 
-    if (configBackground) {
-      root.style.setProperty("--lovelace-background", configBackground);
+    const backgroundStyle =
+      typeof configBackground === "string"
+        ? configBackground
+        : configBackground?.image
+          ? `center / cover no-repeat url('${configBackground.image}')`
+          : undefined;
+
+    if (backgroundStyle) {
+      root.style.setProperty("--lovelace-background", backgroundStyle);
     } else {
       root.style.removeProperty("--lovelace-background");
     }