Camera2: Query support for longshot and ZSL+HDR from parameters.

Query camera parameters to check if longshot and ZSL+HDR are
supported or not.

Also, add generic way of enabling/disabling preferences to
facilitate features which are mutually exclusive.

Change-Id: I4332e3d5050f56b1953e4c0d767eb87f7e932c49

1 files changed, 28 insertions, 0 deletions

diff --git a/src/com/android/camera/CameraSettings.java b/src/com/android/camera/CameraSettings.java
index 243a1ff8f..c70ee9909 100644
--- a/src/com/android/camera/CameraSettings.java
+++ b/src/com/android/camera/CameraSettings.java
@@ -122,6 +122,8 @@ public class CameraSettings {
     public static final String KEY_QC_DIS_MODE = "dis";
 
     public static final String KEY_INTERNAL_PREVIEW_RESTART = "internal-restart";
+    public static final String KEY_QC_ZSL_HDR_SUPPORTED = "zsl-hdr-supported";
+    public static final String KEY_QC_LONGSHOT_SUPPORTED = "longshot-supported";
     private static final String TRUE = "true";
     private static final String FALSE = "false";
 
@@ -348,6 +350,7 @@ public class CameraSettings {
         ListPreference videoHdr = group.findPreference(KEY_VIDEO_HDR);
         ListPreference pictureFormat = group.findPreference(KEY_PICTURE_FORMAT);
         ListPreference hfr = group.findPreference(KEY_VIDEO_HIGH_FRAME_RATE);
+        ListPreference longShot = group.findPreference(KEY_LONGSHOT);
 
         if (touchAfAec != null) {
             filterUnsupportedOptions(group,
@@ -435,6 +438,9 @@ public class CameraSettings {
             filterUnsupportedOptions(group,
                     advancedFeatures, getSupportedAdvancedFeatures(mParameters));
         }
+        if (longShot!= null && !isLongshotSupported(mParameters)) {
+            removePreference(group, longShot.getKey());
+        }
     }
     private void initPreference(PreferenceGroup group) {
         ListPreference videoQuality = group.findPreference(KEY_VIDEO_QUALITY);
@@ -898,4 +904,26 @@ public class CameraSettings {
         }
         return ret;
     }
+
+    public static boolean isLongshotSupported(Parameters params) {
+        boolean ret = false;
+        if (null != params) {
+            String val = params.get(KEY_QC_LONGSHOT_SUPPORTED);
+            if ((null != val) && (TRUE.equals(val))) {
+                ret = true;
+            }
+        }
+        return ret;
+    }
+
+    public static boolean isZSLHDRSupported(Parameters params) {
+        boolean ret = false;
+        if (null != params) {
+            String val = params.get(KEY_QC_ZSL_HDR_SUPPORTED);
+            if ((null != val) && (TRUE.equals(val))) {
+                ret = true;
+            }
+        }
+        return ret;
+    }
 }