1 files changed, 37 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ui/PreparePageFadeoutTexture.java b/src/com/android/gallery3d/ui/PreparePageFadeoutTexture.java
new file mode 100644
index 000000000..475906c81
--- /dev/null
+++ b/src/com/android/gallery3d/ui/PreparePageFadeoutTexture.java
@@ -0,0 +1,37 @@
+package com.android.gallery3d.ui;
+
+import com.android.gallery3d.ui.GLRoot.OnGLIdleListener;
+
+public class PreparePageFadeoutTexture implements OnGLIdleListener {
+    private RawTexture mTexture;
+    private boolean mResultReady = false;
+    private GLView mRootPane;
+
+    public PreparePageFadeoutTexture(int w, int h,  GLView rootPane) {
+        mTexture = new RawTexture(w, h, true);
+        mRootPane =  rootPane;
+    }
+
+    public synchronized RawTexture get() {
+        try {
+            while (!mResultReady) {
+                wait();
+            }
+        } catch (InterruptedException e) {
+            // Since this is just used for a transition, not that important
+        }
+        return mTexture;
+    }
+
+    @Override
+    public boolean onGLIdle(GLCanvas canvas, boolean renderRequested) {
+            canvas.beginRenderTarget(mTexture);
+            mRootPane.render(canvas);
+            canvas.endRenderTarget();
+            synchronized (this) {
+                mResultReady = true;
+                notifyAll();
+            }
+            return false;
+    }
+}