Fix AE and AWB lock were incorrectly unlocked during autofocus.

The only actual difference of this patch is not to unlock AE
and AWB when the state is STATE_FOCUSING_SNAP_ON_FINISH.

bug:5483130

Change-Id: If5108ef3c3677ebed96a291a505408ebfdc4668e

1 files changed, 8 insertions, 16 deletions

diff --git a/src/com/android/camera/Camera.java b/src/com/android/camera/Camera.java
index 589a5c8..17741bf 100644
--- a/src/com/android/camera/Camera.java
+++ b/src/com/android/camera/Camera.java
@@ -124,7 +124,6 @@ public class Camera extends ActivityBase implements FocusManager.Listener,
     private boolean mMeteringAreaSupported;
     private boolean mAeLockSupported;
     private boolean mAwbLockSupported;
-    private boolean mAeAwbLock;
 
     private MyOrientationEventListener mOrientationListener;
     // The degrees of the device rotated clockwise from its natural orientation.
@@ -1358,18 +1357,10 @@ public class Camera extends ActivityBase implements FocusManager.Listener,
         // Do not do focus if there is not enough storage.
         if (pressed && !canTakePicture()) return;
 
-        // Lock AE and AWB so users can half-press shutter and recompose.
-        mAeAwbLock = pressed;
-        if (mAeAwbLock && (mAeLockSupported || mAwbLockSupported)) {
-            setCameraParameters(UPDATE_PARAM_PREFERENCE);
-        }
-
-        mFocusManager.doFocus(pressed);
-
-        // Unlock AE and AWB after cancelAutoFocus. Camera API does not
-        // guarantee setParameters can be called during autofocus.
-        if (!mAeAwbLock && (mAeLockSupported || mAwbLockSupported)) {
-            setCameraParameters(UPDATE_PARAM_PREFERENCE);
+        if (pressed) {
+            mFocusManager.onShutterDown();
+        } else {
+            mFocusManager.onShutterUp();
         }
     }
 
@@ -1756,7 +1747,8 @@ public class Camera extends ActivityBase implements FocusManager.Listener,
 
         setPreviewDisplay(mSurfaceHolder);
         setDisplayOrientation();
-        mAeAwbLock = false; // Unlock AE and AWB.
+
+        mFocusManager.setAeAwbLock(false); // Unlock AE and AWB.
         setCameraParameters(UPDATE_PARAM_ALL);
         // If the focus mode is continuous autofocus, call cancelAutoFocus to
         // resume it because it may have been paused by autoFocus call.
@@ -1831,11 +1823,11 @@ public class Camera extends ActivityBase implements FocusManager.Listener,
 
     private void updateCameraParametersPreference() {
         if (mAeLockSupported) {
-            mParameters.setAutoExposureLock(mAeAwbLock);
+            mParameters.setAutoExposureLock(mFocusManager.getAeAwbLock());
         }
 
         if (mAwbLockSupported) {
-            mParameters.setAutoWhiteBalanceLock(mAeAwbLock);
+            mParameters.setAutoWhiteBalanceLock(mFocusManager.getAeAwbLock());
         }
 
         if (mFocusAreaSupported) {