feat: Add casting capability to user_agent condition (#2480)

docs/configuration/conditions.md

@@ -356,6 +356,7 @@ conditions:
 | `condition`     | Must be `user_agent`.                                                                                                                                    |
 | `user_agent`    | Exactly matches a user-agent, e.g. `Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36`               |
 | `user_agent_re` | Matches a user-agent based on a regular expression, e.g. `Chrome/`.                                                                                      |
+| `casting`       | If `true` matches if the card is being cast to a Chromecast / TV device, if `false` matches if the card is _NOT_ being cast.                             |
 | `companion`     | If `true` matches if the user-agent is the Home Assistant companion app, if `false` matches if the user-agent is _NOT_ the Home Assistant companion app. |
 
 When multiple parameters are specified they must all match for the condition to
@@ -436,6 +437,7 @@ conditions:
   - condition: user_agent
     user_agent: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"
     user_agent_re: "Chrome/"
+    casting: true
     companion: true
   - condition: view
     views:

src/conditions/conditions-manager.ts

@@ -1,6 +1,7 @@
 import { TemplateRenderer } from '../card-controller/templates';
 import { getConfigValue } from '../config/management';
 import { AdvancedCameraCardCondition } from '../config/schema/conditions/types';
+import { isBeingCasted } from '../utils/casting';
 import { isCompanionApp } from '../utils/companion';
 import {
   ConditionsEvaluationResult,
@@ -275,6 +276,8 @@ export class ConditionsManager implements ConditionsManagerReadonlyInterface {
           result:
             !!newState?.userAgent &&
             (!condition.user_agent || condition.user_agent === newState.userAgent) &&
+            (condition.casting === undefined ||
+              condition.casting === isBeingCasted(newState.userAgent)) &&
             (condition.companion === undefined ||
               condition.companion === isCompanionApp(newState.userAgent)) &&
             (condition.user_agent_re === undefined ||

src/config/schema/conditions/custom/user-agent.ts

@@ -5,5 +5,6 @@ export const userAgentConditionSchema = z.object({
   condition: z.literal('user_agent'),
   user_agent: z.string().optional(),
   user_agent_re: regexSchema.optional(),
+  casting: z.boolean().optional(),
   companion: z.boolean().optional(),
 });

src/utils/casting.ts

@@ -1,7 +1,6 @@
 /**
  * Determine if the card is currently being casted.
- * @returns
  */
-export const isBeingCasted = (): boolean => {
-  return !!navigator.userAgent.match(/CrKey\//);
+export const isBeingCasted = (userAgent: string = navigator.userAgent): boolean => {
+  return !!userAgent.match(/CrKey\//);
 };

tests/conditions/conditions-manager.test.ts

@@ -952,6 +952,24 @@ describe('ConditionsManager', () => {
         expect(manager.getEvaluation().result).toBeFalsy();
       });
 
+      it('should match casting', () => {
+        const stateManager = new ConditionStateManager();
+        const manager = new ConditionsManager(
+          [{ condition: 'user_agent' as const, casting: true }],
+          stateManager,
+        );
+
+        expect(manager.getEvaluation().result).toBeFalsy();
+        stateManager.setState({
+          userAgent: 'CrKey/1.0',
+        });
+        expect(manager.getEvaluation().result).toBeTruthy();
+        stateManager.setState({
+          userAgent: userAgent,
+        });
+        expect(manager.getEvaluation().result).toBeFalsy();
+      });
+
       it('should match companion app', () => {
         const stateManager = new ConditionStateManager();
         const manager = new ConditionsManager(