Add initial keyboard shortcut support.

src/utils/ptz.ts

@@ -1,19 +1,75 @@
-import { Capabilities } from '../camera-manager/capabilities';
-import { FrigateCardPTZConfig, PTZ_CONTROL_ACTIONS } from '../config/types';
+import { CameraManager } from '../camera-manager/manager';
+import { PTZAction } from '../config/ptz';
+import { PTZCapabilities } from '../types';
+import { View } from '../view/view';
+import { getStreamCameraID } from './substream';
 
-export const hasUsablePTZ = (
-  capabilities: Capabilities | null,
-  config: FrigateCardPTZConfig,
-): boolean => {
-  for (const actionName of PTZ_CONTROL_ACTIONS) {
-    if ('actions_' + actionName in config) {
-      return true;
+export type PTZType = 'digital' | 'ptz';
+interface PTZTarget {
+  targetID: string;
+  type: PTZType;
+}
+
+export const getPTZTarget = (
+  view: View,
+  options?: {
+    type?: PTZType;
+    cameraManager?: CameraManager;
+  },
+): PTZTarget | null => {
+  if (view.isViewerView()) {
+    const targetID = view.queryResults?.getSelectedResult()?.getID() ?? null;
+    return options?.type === 'ptz' || !targetID
+      ? null
+      : {
+          targetID: targetID,
+          type: 'digital',
+        };
+  } else if (view.is('live')) {
+    const substreamAwareCameraID = getStreamCameraID(view);
+    let type: PTZType = 'digital';
+
+    if (options?.type !== 'digital' && options?.cameraManager) {
+      if (hasCameraTruePTZ(options.cameraManager, substreamAwareCameraID)) {
+        type = 'ptz';
+      }
+      if (type !== 'ptz' && options?.type === 'ptz') {
+        return null;
+      }
     }
+
+    return {
+      targetID: substreamAwareCameraID,
+      type: type,
+    };
   }
-  const ptzCapabilities = capabilities?.getPTZCapabilities();
-  return (
-    !!ptzCapabilities?.panTilt?.length ||
-    !!ptzCapabilities?.zoom?.length ||
-    !!ptzCapabilities?.presets?.length
-  );
+  return null;
+};
+
+export const hasCameraTruePTZ = (
+  cameraManager: CameraManager,
+  cameraID: string,
+): boolean => {
+  return !!cameraManager
+    .getStore()
+    .getCamera(cameraID)
+    ?.getCapabilities()
+    ?.hasPTZCapability();
+};
+
+export const ptzActionToCapabilityKey = (
+  action: PTZAction,
+): keyof PTZCapabilities | null => {
+  switch (action) {
+    case 'left':
+    case 'right':
+    case 'up':
+    case 'down':
+      return action;
+    case 'zoom_in':
+      return 'zoomIn';
+    case 'zoom_out':
+      return 'zoomOut';
+  }
+  return null;
 };