From db8960580f05ff7fd02d0fd623fe32f81ddd0169 Mon Sep 17 00:00:00 2001
From: Marc Rousavy <marcrousavy@hotmail.com>
Date: Wed, 17 Mar 2021 18:07:05 +0100
Subject: [PATCH] Feature/supports focus (#72)

* Add `supportsFocus` prop to CameraDevice

* Add true-depth camera again

* Revert "Add true-depth camera again"

This reverts commit 5814b8ca7a15b3273ff29498144bb352619a4c1d.
---
 .../com/mrousavy/camera/CameraViewModule.kt   |  1 +
 ios/CameraViewManager.swift                   |  1 +
 src/CameraDevice.ts                           | 27 +++++++++++--------
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/android/src/main/java/com/mrousavy/camera/CameraViewModule.kt b/android/src/main/java/com/mrousavy/camera/CameraViewModule.kt
index da12ec6..3dce48e 100644
--- a/android/src/main/java/com/mrousavy/camera/CameraViewModule.kt
+++ b/android/src/main/java/com/mrousavy/camera/CameraViewModule.kt
@@ -184,6 +184,7 @@ class CameraViewModule(reactContext: ReactApplicationContext) : ReactContextBase
           map.putBoolean("supportsRawCapture", supportsRawCapture)
           map.putBoolean("supportsDepthCapture", supportsDepthCapture)
           map.putBoolean("supportsLowLightBoost", supportsLowLightBoost)
+          map.putBoolean("supportsFocus", true) // I believe every device here supports focussing
           if (zoomRange != null) {
             map.putDouble("minZoom", zoomRange.lower.toDouble())
             map.putDouble("maxZoom", zoomRange.upper.toDouble())
diff --git a/ios/CameraViewManager.swift b/ios/CameraViewManager.swift
index 3b0d6d6..10b8ab2 100644
--- a/ios/CameraViewManager.swift
+++ b/ios/CameraViewManager.swift
@@ -111,6 +111,7 @@ final class CameraViewManager: RCTViewManager {
           "supportsDepthCapture": false, // TODO: supportsDepthCapture
           "supportsRawCapture": false, // TODO: supportsRawCapture
           "supportsLowLightBoost": $0.isLowLightBoostSupported,
+          "supportsFocus": $0.isFocusPointOfInterestSupported,
           "formats": $0.formats.map { (format) -> [String: Any] in
             format.toDictionary()
           },
diff --git a/src/CameraDevice.ts b/src/CameraDevice.ts
index a120aca..a7d2330 100644
--- a/src/CameraDevice.ts
+++ b/src/CameraDevice.ts
@@ -220,15 +220,20 @@ export interface CameraDevice {
    * Whether this camera device supports low light boost.
    */
   supportsLowLightBoost: boolean;
-
-  // TODO: supportsDepthCapture
-  // /**
-  //  * Whether this camera supports taking photos with depth data
-  //  */
-  // supportsDepthCapture: boolean;
-  // TODO: supportsRawCapture
-  // /**
-  //  * Whether this camera supports taking photos in RAW format
-  //  */
-  // supportsRawCapture: boolean;
+  /**
+   * Whether this camera supports taking photos with depth data.
+   *
+   * **! Work in Progress !**
+   */
+  supportsDepthCapture: boolean;
+  /**
+   * Whether this camera supports taking photos in RAW format
+   *
+   * **! Work in Progress !**
+   */
+  supportsRawCapture: boolean;
+  /**
+   * Specifies whether this device supports focussing ({@linkcode Camera.focus | Camera.focus(...)})
+   */
+  supportsFocus: boolean;
 }