Camera: Adds support for Face Recognition enable

- This change enables the camera client to
  configure the face recognition feature
  depending on the camera support of the lower
  layers.

(cherrypicked from commit 9d469e2a66859fe5070d9651a41d0ca330ccc8cb)

Change-Id: I141632e27cbef3bb53ea06a249491eff78b5f13b
(cherry picked from commit b420162dd9c1f974628e8e7ff83bc0909c59e272)
(cherry picked from commit 9c258ff94e7ce18c7e4072b83203092bd3d4c0d1)

1 files changed, 18 insertions, 0 deletions

diff --git a/src/com/android/camera/CameraSettings.java b/src/com/android/camera/CameraSettings.java
index e619c2aff..7d90a0689 100644
--- a/src/com/android/camera/CameraSettings.java
+++ b/src/com/android/camera/CameraSettings.java
@@ -98,8 +98,12 @@ public class CameraSettings {
     public static final String DEFAULT_VIDEO_QUALITY_VALUE = "custom";
     public static final String KEY_SKIN_TONE_ENHANCEMENT = "pref_camera_skinToneEnhancement_key";
     public static final String KEY_SKIN_TONE_ENHANCEMENT_FACTOR = "pref_camera_skinToneEnhancement_factor_key";
+
+    public static final String KEY_FACE_RECOGNITION = "pref_camera_facerc_key";
     private static final String KEY_QC_SUPPORTED_AE_BRACKETING_MODES = "ae-bracket-hdr-values";
+    private static final String KEY_QC_SUPPORTED_FACE_RECOGNITION_MODES = "face-recognition-values";
     public static final String KEY_QC_AE_BRACKETING = "ae-bracket-hdr";
+    public static final String KEY_QC_FACE_RECOGNITION = "face-recognition";
     private static final String VIDEO_QUALITY_HIGH = "high";
     private static final String VIDEO_QUALITY_MMS = "mms";
     private static final String VIDEO_QUALITY_YOUTUBE = "youtube";
@@ -198,6 +202,14 @@ public class CameraSettings {
         }
         return duration;
     }
+
+    public static List<String> getSupportedFaceRecognitionModes(Parameters params) {
+        String str = params.get(KEY_QC_SUPPORTED_FACE_RECOGNITION_MODES);
+        if (str == null) {
+            return null;
+        }
+        return split(str);
+    }
     public static List<String> getSupportedAEBracketingModes(Parameters params) {
         String str = params.get(KEY_QC_SUPPORTED_AE_BRACKETING_MODES);
         if (str == null) {
@@ -238,6 +250,7 @@ public class CameraSettings {
         ListPreference denoise = group.findPreference(KEY_DENOISE);
         ListPreference redeyeReduction = group.findPreference(KEY_REDEYE_REDUCTION);
         ListPreference aeBracketing = group.findPreference(KEY_AE_BRACKET_HDR);
+        ListPreference faceRC = group.findPreference(KEY_FACE_RECOGNITION);
         ListPreference jpegQuality = group.findPreference(KEY_JPEG_QUALITY);
         ListPreference videoSnapSize = group.findPreference(KEY_VIDEO_SNAPSHOT_SIZE);
         ListPreference videoHdr = group.findPreference(KEY_VIDEO_HDR);
@@ -288,6 +301,11 @@ public class CameraSettings {
                     antiBanding, mParameters.getSupportedAntibanding());
         }
 
+        if (faceRC != null) {
+            filterUnsupportedOptions(group,
+                    faceRC, getSupportedFaceRecognitionModes(mParameters));
+        }
+
         if (autoExposure != null) {
             filterUnsupportedOptions(group,
                     autoExposure, mParameters.getSupportedAutoexposure());