SnapdragonCamera: Use floating components during video record.

During recording, there are only 2 widgets on UI. Directly attaching
them to window manager and making main UI layer fully transparent can
reduce power consumption.

Change-Id: I8c4f4768ab91d50fc72080f0f6d7316ee2e60ef4

1 files changed, 14 insertions, 0 deletions

diff --git a/src/com/android/camera/util/CameraUtil.java b/src/com/android/camera/util/CameraUtil.java
index 5fb00ca65..daa190f85 100644
--- a/src/com/android/camera/util/CameraUtil.java
+++ b/src/com/android/camera/util/CameraUtil.java
@@ -28,6 +28,7 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Matrix;
+import android.graphics.PixelFormat;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -60,6 +61,7 @@ import com.android.camera.CameraManager;
 import com.android.camera.CameraSettings;
 import com.android.camera.ui.RotateTextToast;
 import com.android.camera.util.IntentHelper;
+
 import org.codeaurora.snapcam.R;
 
 import java.io.Closeable;
@@ -1164,4 +1166,16 @@ public class CameraUtil {
         return retRatio;
     }
 
+    public static WindowManager.LayoutParams addView(Context context, View v, int x, int y,
+            int gravity, int width, int height) {
+        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+        WindowManager.LayoutParams params = new WindowManager.LayoutParams(width, height,
+                WindowManager.LayoutParams.TYPE_APPLICATION_PANEL,
+                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSLUCENT);
+        params.gravity = gravity;
+        params.x = x;
+        params.y = y;
+        wm.addView(v, params);
+        return params;
+    }
 }