Show a preview cover until real preview is ready

Bug: 11211650
Change-Id: Ic4b26ef0f03eac0682e7be0d4bcb1c4632d85f39

6 files changed, 26 insertions, 3 deletions

diff --git a/src/com/android/camera/PhotoModule.java b/src/com/android/camera/PhotoModule.java
index bed8a2149..e9ca280b6 100644
--- a/src/com/android/camera/PhotoModule.java
+++ b/src/com/android/camera/PhotoModule.java
@@ -1185,6 +1185,7 @@ public class PhotoModule
 
     @Override
     public void onResumeAfterSuper() {
+        Log.v(TAG, "On resume.");
         if (mOpenCameraFail || mCameraDisabled) return;
 
         mJpegPictureCallbackTime = 0;
@@ -1235,6 +1236,8 @@ public class PhotoModule
 
     @Override
     public void onPauseAfterSuper() {
+        Log.v(TAG, "On pause.");
+        mUI.showPreviewCover();
         // When camera is started from secure lock screen for the first time
         // after screen on, the activity gets onCreate->onResume->onPause->onResume.
         // To reduce the latency, keep the camera for a short time so it does
diff --git a/src/com/android/camera/PhotoUI.java b/src/com/android/camera/PhotoUI.java
index 58df43657..4f66a18cb 100644
--- a/src/com/android/camera/PhotoUI.java
+++ b/src/com/android/camera/PhotoUI.java
@@ -115,6 +115,7 @@ public class PhotoUI implements PieListener,
     private TextureView mTextureView;
     private Matrix mMatrix = null;
     private float mAspectRatio = 4f / 3f;
+    private View mPreviewCover;
 
     public interface SurfaceTextureSizeChangedListener {
         public void onSurfaceTextureSizeChanged(int uncroppedWidth, int uncroppedHeight);
@@ -196,6 +197,7 @@ public class PhotoUI implements PieListener,
                 (ViewGroup) mRootView, true);
         mRenderOverlay = (RenderOverlay) mRootView.findViewById(R.id.render_overlay);
         mFlashOverlay = mRootView.findViewById(R.id.flash_overlay);
+        mPreviewCover = mRootView.findViewById(R.id.preview_cover);
         // display the view
         mTextureView = (TextureView) mRootView.findViewById(R.id.preview_content);
         mTextureView.setSurfaceTextureListener(this);
@@ -256,6 +258,7 @@ public class PhotoUI implements PieListener,
     @Override
     public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
         Log.v(TAG, "SurfaceTexture ready.");
+        mPreviewCover.setVisibility(View.GONE);
         mSurfaceTexture = surface;
         mController.onPreviewUIReady();
         // Workaround for b/11168275, see b/10981460 for more details
@@ -753,6 +756,10 @@ public class PhotoUI implements PieListener,
         mNotSelectableToast.show();
     }
 
+    public void showPreviewCover() {
+        mPreviewCover.setVisibility(View.VISIBLE);
+    }
+
     public void onPause() {
         cancelCountDown();
 
@@ -764,8 +771,6 @@ public class PhotoUI implements PieListener,
             mLocationDialog.dismiss();
         }
         mLocationDialog = null;
-        mPreviewWidth = 0;
-        mPreviewHeight = 0;
     }
 
     public void initDisplayChangeListener() {
diff --git a/src/com/android/camera/VideoModule.java b/src/com/android/camera/VideoModule.java
index fdd48e264..0ee62bb9d 100644
--- a/src/com/android/camera/VideoModule.java
+++ b/src/com/android/camera/VideoModule.java
@@ -783,6 +783,7 @@ public class VideoModule implements CameraModule,
     public void onPauseBeforeSuper() {
         mPaused = true;
 
+        mUI.showPreviewCover();
         if (mMediaRecorderRecording) {
             // Camera will be released in onStopVideoRecording.
             onStopVideoRecording();
diff --git a/src/com/android/camera/VideoUI.java b/src/com/android/camera/VideoUI.java
index 23d08dbb4..02b256754 100644
--- a/src/com/android/camera/VideoUI.java
+++ b/src/com/android/camera/VideoUI.java
@@ -93,6 +93,7 @@ public class VideoUI implements PieRenderer.PieListener,
     private View mPreviewThumb;
     private View mFlashOverlay;
 
+    private View mPreviewCover;
     private SurfaceView mSurfaceView = null;
     private int mPreviewWidth = 0;
     private int mPreviewHeight = 0;
@@ -134,6 +135,10 @@ public class VideoUI implements PieRenderer.PieListener,
         }
     };
 
+    public void showPreviewCover() {
+        mPreviewCover.setVisibility(View.VISIBLE);
+    }
+
     private class SettingsPopup extends PopupWindow {
         public SettingsPopup(View popup) {
             super(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
@@ -168,6 +173,7 @@ public class VideoUI implements PieRenderer.PieListener,
         mController = controller;
         mRootView = parent;
         mActivity.getLayoutInflater().inflate(R.layout.video_module, (ViewGroup) mRootView, true);
+        mPreviewCover = mRootView.findViewById(R.id.preview_cover);
         mTextureView = (TextureView) mRootView.findViewById(R.id.preview_content);
         mTextureView.setSurfaceTextureListener(this);
         mTextureView.addOnLayoutChangeListener(mLayoutListener);
@@ -712,6 +718,7 @@ public class VideoUI implements PieRenderer.PieListener,
     @Override
     public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
         mSurfaceTexture = surface;
+        mPreviewCover.setVisibility(View.GONE);
         mController.onPreviewUIReady();
     }
 
diff --git a/src/com/android/camera/WideAnglePanoramaModule.java b/src/com/android/camera/WideAnglePanoramaModule.java
index aa66bdcd3..db4e59d2e 100644
--- a/src/com/android/camera/WideAnglePanoramaModule.java
+++ b/src/com/android/camera/WideAnglePanoramaModule.java
@@ -805,7 +805,7 @@ public class WideAnglePanoramaModule
             stopCapture(true);
             reset();
         }
-
+        mUI.showPreviewCover();
         releaseCamera();
         synchronized (mRendererLock) {
             mCameraTexture = null;
diff --git a/src/com/android/camera/WideAnglePanoramaUI.java b/src/com/android/camera/WideAnglePanoramaUI.java
index da49638cc..b0f3de40b 100644
--- a/src/com/android/camera/WideAnglePanoramaUI.java
+++ b/src/com/android/camera/WideAnglePanoramaUI.java
@@ -89,6 +89,7 @@ public class WideAnglePanoramaUI implements
     private int mIndicatorColorFast;
     private int mReviewBackground;
     private SurfaceTexture mSurfaceTexture;
+    private View mPreviewCover;
 
     /** Constructor. */
     public WideAnglePanoramaUI(
@@ -225,6 +226,7 @@ public class WideAnglePanoramaUI implements
     @Override
     public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int i, int i2) {
         mSurfaceTexture = surfaceTexture;
+        mPreviewCover.setVisibility(View.GONE);
         mController.onPreviewUIReady();
     }
 
@@ -346,6 +348,7 @@ public class WideAnglePanoramaUI implements
         mReviewBackground = appRes.getColor(R.color.review_background);
         mIndicatorColorFast = appRes.getColor(R.color.pano_progress_indication_fast);
 
+        mPreviewCover = mRootView.findViewById(R.id.preview_cover);
         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);
@@ -453,6 +456,10 @@ public class WideAnglePanoramaUI implements
         ((CameraRootView) mRootView).removeDisplayChangeListener();
     }
 
+    public void showPreviewCover() {
+        mPreviewCover.setVisibility(View.VISIBLE);
+    }
+
     private class DialogHelper {
         private ProgressDialog mProgressDialog;
         private AlertDialog mAlertDialog;