Fix SRI upside down preview in reverse landscape and reverse portrait

Also make sure preview is not upside down after device flip, and
fix camera controls jiggering during rotation

Bug: 11216647
Bug: 11174540
Change-Id: I764e5b86549fa87c2224d8e85ff06f57f0a315d1

2 files changed, 29 insertions, 5 deletions

diff --git a/src/com/android/camera/WideAnglePanoramaModule.java b/src/com/android/camera/WideAnglePanoramaModule.java
index 189bf99d1..91c3049c6 100644
--- a/src/com/android/camera/WideAnglePanoramaModule.java
+++ b/src/com/android/camera/WideAnglePanoramaModule.java
@@ -454,7 +454,7 @@ public class WideAnglePanoramaModule
         final boolean isLandscape =
                 (mActivity.getResources().getConfiguration().orientation ==
                         Configuration.ORIENTATION_LANDSCAPE);
-
+        mUI.flipPreviewIfNeeded();
         MosaicPreviewRenderer renderer = new MosaicPreviewRenderer(
                 mUI.getSurfaceTexture(),
                 mPreviewUIWidth, mPreviewUIHeight, isLandscape);
@@ -819,6 +819,7 @@ public class WideAnglePanoramaModule
             mWaitProcessorTask = null;
         }
         resetScreenOn();
+        mUI.removeDisplayChangeListener();
         if (mSoundPlayer != null) {
             mSoundPlayer.release();
             mSoundPlayer = null;
@@ -879,7 +880,7 @@ public class WideAnglePanoramaModule
         boolean recordLocation = RecordLocationPreference.get(mPreferences,
                 mContentResolver);
         mLocationManager.recordLocation(recordLocation);
-
+        mUI.initDisplayChangeListener();
         UsageStatistics.onContentViewChanged(
                 UsageStatistics.COMPONENT_CAMERA, "PanoramaModule");
     }
diff --git a/src/com/android/camera/WideAnglePanoramaUI.java b/src/com/android/camera/WideAnglePanoramaUI.java
index 407160933..202303091 100644
--- a/src/com/android/camera/WideAnglePanoramaUI.java
+++ b/src/com/android/camera/WideAnglePanoramaUI.java
@@ -43,6 +43,7 @@ import android.widget.TextView;
 import com.android.camera.ui.CameraControls;
 import com.android.camera.ui.CameraRootView;
 import com.android.camera.ui.ModuleSwitcher;
+import com.android.camera.util.CameraUtil;
 import com.android.camera2.R;
 
 /**
@@ -51,6 +52,7 @@ import com.android.camera2.R;
 public class WideAnglePanoramaUI implements
         TextureView.SurfaceTextureListener,
         ShutterButton.OnShutterButtonListener,
+        CameraRootView.MyDisplayListener,
         View.OnLayoutChangeListener {
 
     @SuppressWarnings("unused")
@@ -61,7 +63,6 @@ public class WideAnglePanoramaUI implements
 
     private ViewGroup mRootView;
     private ModuleSwitcher mSwitcher;
-    private ViewGroup mPanoLayout;
     private FrameLayout mCaptureLayout;
     private View mReviewLayout;
     private ImageView mReview;
@@ -274,7 +275,7 @@ public class WideAnglePanoramaUI implements
         mReviewControl.removeAllViews();
         inflater.inflate(R.layout.pano_review_control, mReviewControl, true);
 
-        mPanoLayout.bringChildToFront(mCameraControls);
+        mRootView.bringChildToFront(mCameraControls);
         setViews(mActivity.getResources());
         if (threadRunning) {
             mReview.setImageDrawable(lowResReview);
@@ -333,7 +334,6 @@ public class WideAnglePanoramaUI implements
         mReviewBackground = appRes.getColor(R.color.review_background);
         mIndicatorColorFast = appRes.getColor(R.color.pano_progress_indication_fast);
 
-        mPanoLayout = (ViewGroup) mRootView.findViewById(R.id.pano_layout);
         mPreviewLayout = mRootView.findViewById(R.id.pano_preview_layout);
         mReviewControl = (ViewGroup) mRootView.findViewById(R.id.pano_review_control);
         mReviewLayout = mRootView.findViewById(R.id.pano_review_layout);
@@ -418,6 +418,29 @@ public class WideAnglePanoramaUI implements
         mRightIndicator.setEnabled(false);
     }
 
+    public void flipPreviewIfNeeded() {
+        if (CameraUtil.getDisplayRotation(mActivity) >= 180) {
+            // In either reverse landscape or reverse portrait
+            mTextureView.setRotation(180);
+        } else {
+            mTextureView.setRotation(0);
+        }
+    }
+
+    @Override
+    public void onDisplayChanged() {
+        mCameraControls.checkLayoutFlip();
+        flipPreviewIfNeeded();
+    }
+
+    public void initDisplayChangeListener() {
+        ((CameraRootView) mRootView).setDisplayChangeListener(this);
+    }
+
+    public void removeDisplayChangeListener() {
+        ((CameraRootView) mRootView).removeDisplayChangeListener();
+    }
+
     private class DialogHelper {
         private ProgressDialog mProgressDialog;
         private AlertDialog mAlertDialog;